mirror of
https://github.com/simplex-chat/simplexmq.git
synced 2026-08-30 22:48:26 +00:00
Compare commits
8
Commits
| Author | SHA1 | Date | |
|---|---|---|---|
 John Roberts
|
8c298728e2 | ||
|
Efim Poberezkin
|
cca8ac5a58 | ||
|
Efim Poberezkin
|
b1d2d45947 | ||
|
Efim Poberezkin
|
c9c6d2b2d3 | ||
|
Efim Poberezkin
|
85c09d1703 | ||
|
Efim Poberezkin
|
08b43b42a0 | ||
|
Efim Poberezkin
|
4980db932d | ||
|
Efim Poberezkin
|
b2fbab5b0f |
+1
-4
@@ -1,4 +1 @@
|
||||
* @epoberezkin @spaced4ndy
|
||||
/Dockerfile @shumvgolove
|
||||
/scripts/docker/ @shumvgolove
|
||||
/scripts/main/ @shumvgolove
|
||||
* @epoberezkin @efim-poberezkin
|
||||
|
||||
@@ -1,44 +0,0 @@
|
||||
name: 'Set Swap Space'
|
||||
description: 'Add moar swap'
|
||||
branding:
|
||||
icon: 'crop'
|
||||
color: 'orange'
|
||||
inputs:
|
||||
swap-size-gb:
|
||||
description: 'Swap space to create, in Gigabytes.'
|
||||
required: false
|
||||
default: '10'
|
||||
runs:
|
||||
using: "composite"
|
||||
steps:
|
||||
- name: Swap space report before modification
|
||||
shell: bash
|
||||
run: |
|
||||
echo "Memory and swap:"
|
||||
free -h
|
||||
echo
|
||||
swapon --show
|
||||
echo
|
||||
- name: Set Swap
|
||||
shell: bash
|
||||
run: |
|
||||
export SWAP_FILE=$(swapon --show=NAME | tail -n 1)
|
||||
echo "Swap file: $SWAP_FILE"
|
||||
if [ -z "$SWAP_FILE" ]; then
|
||||
SWAP_FILE=/opt/swapfile
|
||||
else
|
||||
sudo swapoff $SWAP_FILE
|
||||
sudo rm $SWAP_FILE
|
||||
fi
|
||||
sudo fallocate -l ${{ inputs.swap-size-gb }}G $SWAP_FILE
|
||||
sudo chmod 600 $SWAP_FILE
|
||||
sudo mkswap $SWAP_FILE
|
||||
sudo swapon $SWAP_FILE
|
||||
- name: Swap space report after modification
|
||||
shell: bash
|
||||
run: |
|
||||
echo "Memory and swap:"
|
||||
free -h
|
||||
echo
|
||||
swapon --show
|
||||
echo
|
||||
+40
-261
@@ -10,25 +10,37 @@ on:
|
||||
pull_request:
|
||||
|
||||
jobs:
|
||||
|
||||
# =============================
|
||||
# Create release
|
||||
# =============================
|
||||
|
||||
# Create release, but only if it's triggered by tag push.
|
||||
# On pull requests/commits push, this job will always complete.
|
||||
|
||||
maybe-release:
|
||||
runs-on: ubuntu-latest
|
||||
build:
|
||||
runs-on: ubuntu-20.04
|
||||
steps:
|
||||
- name: Clone project
|
||||
if: startsWith(github.ref, 'refs/tags/v')
|
||||
uses: actions/checkout@v3
|
||||
uses: actions/checkout@v2
|
||||
|
||||
- name: Setup Stack
|
||||
uses: haskell/actions/setup@v1
|
||||
with:
|
||||
ghc-version: '8.10.7'
|
||||
enable-stack: true
|
||||
stack-version: 'latest'
|
||||
|
||||
- name: Cache dependencies
|
||||
uses: actions/cache@v2
|
||||
with:
|
||||
path: ~/.stack
|
||||
key: ${{ hashFiles('stack.yaml') }}
|
||||
|
||||
- name: Build & test
|
||||
id: build_test
|
||||
shell: bash
|
||||
run: |
|
||||
stack build --test --force-dirty
|
||||
install_root=$(stack path --local-install-root)
|
||||
mv ${install_root}/bin/smp-server smp-server-ubuntu-20_04-x86-64
|
||||
|
||||
- name: Build changelog
|
||||
id: build_changelog
|
||||
if: startsWith(github.ref, 'refs/tags/v')
|
||||
uses: simplex-chat/release-changelog-builder-action@v5
|
||||
id: build_changelog
|
||||
uses: mikepenz/release-changelog-builder-action@v1
|
||||
with:
|
||||
configuration: .github/changelog_conf.json
|
||||
failOnError: true
|
||||
@@ -37,263 +49,30 @@ jobs:
|
||||
env:
|
||||
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
|
||||
|
||||
- name: Extract release candidate
|
||||
if: startsWith(github.ref, 'refs/tags/v')
|
||||
id: extract_release_candidate
|
||||
shell: bash
|
||||
run: |
|
||||
if [[ ${GITHUB_REF} == *rc* ]]; then
|
||||
echo "::set-output name=release_candidate::true"
|
||||
else
|
||||
echo "::set-output name=release_candidate::false"
|
||||
fi
|
||||
|
||||
- name: Create release
|
||||
if: startsWith(github.ref, 'refs/tags/v')
|
||||
uses: simplex-chat/action-gh-release@v2
|
||||
uses: softprops/action-gh-release@v1
|
||||
with:
|
||||
body: |
|
||||
See full changelog [here](https://github.com/simplex-chat/simplexmq/blob/master/CHANGELOG.md).
|
||||
|
||||
Commits:
|
||||
${{ steps.build_changelog.outputs.changelog }}
|
||||
prerelease: true
|
||||
prerelease: ${{ steps.extract_release_candidate.outputs.release_candidate }}
|
||||
files: |
|
||||
LICENSE
|
||||
smp-server-ubuntu-20_04-x86-64
|
||||
fail_on_unmatched_files: true
|
||||
env:
|
||||
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
|
||||
|
||||
# =============================
|
||||
# Main build job
|
||||
# =============================
|
||||
|
||||
build:
|
||||
name: "ubuntu-${{ matrix.os }}-${{ matrix.arch }}, GHC: ${{ matrix.ghc }}"
|
||||
needs: maybe-release
|
||||
env:
|
||||
apps: "smp-server xftp-server ntf-server xftp"
|
||||
runs-on: ${{ matrix.runner }}
|
||||
services:
|
||||
postgres:
|
||||
image: postgres:15
|
||||
env:
|
||||
POSTGRES_HOST_AUTH_METHOD: trust # Allows passwordless access
|
||||
options: >-
|
||||
--health-cmd pg_isready
|
||||
--health-interval 10s
|
||||
--health-timeout 5s
|
||||
--health-retries 5
|
||||
ports:
|
||||
# Maps tcp port 5432 on service container to the host
|
||||
- 5432:5432
|
||||
strategy:
|
||||
fail-fast: false
|
||||
matrix:
|
||||
include:
|
||||
- os: 22.04
|
||||
os_underscore: 22_04
|
||||
arch: x86-64
|
||||
runner: "ubuntu-22.04"
|
||||
ghc: "8.10.7"
|
||||
should_run: ${{ !(github.ref == 'refs/heads/stable' || startsWith(github.ref, 'refs/tags/v')) }}
|
||||
- os: 22.04
|
||||
os_underscore: 22_04
|
||||
arch: x86-64
|
||||
runner: "ubuntu-22.04"
|
||||
ghc: "9.6.3"
|
||||
should_run: true
|
||||
- os: 24.04
|
||||
os_underscore: 24_04
|
||||
arch: x86-64
|
||||
runner: "ubuntu-24.04"
|
||||
ghc: "9.6.3"
|
||||
should_run: true
|
||||
- os: 22.04
|
||||
os_underscore: 22_04
|
||||
arch: aarch64
|
||||
runner: "ubuntu-22.04-arm"
|
||||
ghc: "9.6.3"
|
||||
should_run: true
|
||||
- os: 24.04
|
||||
os_underscore: 24_04
|
||||
arch: aarch64
|
||||
runner: "ubuntu-24.04-arm"
|
||||
ghc: "9.6.3"
|
||||
should_run: true
|
||||
steps:
|
||||
- name: Clone project
|
||||
if: matrix.should_run == true
|
||||
uses: actions/checkout@v3
|
||||
|
||||
- name: Set up Docker Buildx
|
||||
if: matrix.should_run == true
|
||||
uses: simplex-chat/docker-setup-buildx-action@v3
|
||||
|
||||
- name: Setup swap
|
||||
if: matrix.ghc == '8.10.7' && matrix.should_run == true
|
||||
uses: ./.github/actions/swap
|
||||
with:
|
||||
swap-size-gb: 20
|
||||
|
||||
- name: Install PostgreSQL 15 client tools
|
||||
if: matrix.os == '22.04' && matrix.should_run == true
|
||||
shell: bash
|
||||
run: |
|
||||
# Import the repository signing key
|
||||
sudo install -d /usr/share/postgresql-common/pgdg
|
||||
sudo curl -o /usr/share/postgresql-common/pgdg/apt.postgresql.org.asc --fail https://www.postgresql.org/media/keys/ACCC4CF8.asc
|
||||
# Add the PostgreSQL APT repository
|
||||
sudo sh -c 'echo "deb [signed-by=/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc] https://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
|
||||
# Update repository and install postgresql tools
|
||||
sudo apt update
|
||||
sudo apt -y install postgresql-client-15
|
||||
|
||||
- name: Build and cache Docker image
|
||||
if: matrix.should_run == true
|
||||
uses: simplex-chat/docker-build-push-action@v6
|
||||
with:
|
||||
context: .
|
||||
load: true
|
||||
file: Dockerfile.build
|
||||
tags: build/${{ matrix.os }}:latest
|
||||
build-args: |
|
||||
TAG=${{ matrix.os }}
|
||||
GHC=${{ matrix.ghc }}
|
||||
|
||||
- name: Cache dependencies
|
||||
if: matrix.should_run == true
|
||||
uses: actions/cache@v4
|
||||
with:
|
||||
path: |
|
||||
~/.cabal/store
|
||||
dist-newstyle
|
||||
key: ubuntu-${{ matrix.os }}-${{ matrix.arch }}-ghc${{ matrix.ghc }}-${{ hashFiles('cabal.project', 'simplexmq.cabal') }}
|
||||
|
||||
- name: Start container
|
||||
if: matrix.should_run == true
|
||||
shell: bash
|
||||
run: |
|
||||
docker run -t -d \
|
||||
--device /dev/fuse \
|
||||
--cap-add SYS_ADMIN \
|
||||
--security-opt apparmor:unconfined \
|
||||
--name builder \
|
||||
-v ~/.cabal:/root/.cabal \
|
||||
-v /home/runner/work/_temp:/home/runner/work/_temp \
|
||||
-v ${{ github.workspace }}:/project \
|
||||
build/${{ matrix.os }}:latest
|
||||
|
||||
- name: Build smp-server, xftp-server (postgresql) and tests
|
||||
if: matrix.should_run == true
|
||||
shell: docker exec -t builder sh -eu {0}
|
||||
run: |
|
||||
chmod -fR 777 ~/.cabal ./dist-newstyle || :; git config --global --add safe.directory '*'
|
||||
cabal clean
|
||||
cabal update
|
||||
cabal build --jobs=$(nproc) --enable-tests -fserver_postgres
|
||||
mkdir -p /out
|
||||
for i in smp-server xftp-server simplexmq-test; do
|
||||
bin=$(find /project/dist-newstyle -name "$i" -type f -executable)
|
||||
chmod +x "$bin"
|
||||
mv "$bin" /out/
|
||||
done
|
||||
strip /out/smp-server /out/xftp-server
|
||||
|
||||
- name: Copy simplexmq-test from container
|
||||
if: matrix.should_run == true
|
||||
shell: bash
|
||||
run: |
|
||||
docker cp builder:/out/simplexmq-test .
|
||||
|
||||
- name: Copy smp-server, xftp-server (postgresql) from container and prepare it
|
||||
if: startsWith(github.ref, 'refs/tags/v') && matrix.should_run == true
|
||||
id: prepare-postgres
|
||||
shell: bash
|
||||
run: |
|
||||
printf 'bins<<EOF\n' > bins.output
|
||||
printf 'hashes<<EOF\n' > hashes.output
|
||||
|
||||
for i in smp-server xftp-server; do
|
||||
name="${i}-postgres-ubuntu-${{ matrix.os_underscore }}-${{ matrix.arch }}"
|
||||
docker cp builder:/out/$i $name
|
||||
|
||||
path="${{ github.workspace }}/$name"
|
||||
hash="SHA2-256($name)= $(openssl sha256 $path | cut -d' ' -f 2)"
|
||||
|
||||
printf '%s\n' "$path" >> bins.output
|
||||
printf '%s\n\n' "$hash" >> hashes.output
|
||||
done
|
||||
printf 'EOF\n' >> bins.output
|
||||
printf 'EOF\n' >> hashes.output
|
||||
|
||||
cat bins.output >> "$GITHUB_OUTPUT"
|
||||
cat hashes.output >> "$GITHUB_OUTPUT"
|
||||
|
||||
- name: Build everything else (standard)
|
||||
if: matrix.should_run == true
|
||||
shell: docker exec -t builder sh -eu {0}
|
||||
run: |
|
||||
cabal build --jobs=$(nproc)
|
||||
mkdir -p /out
|
||||
for i in ${{ env.apps }}; do
|
||||
bin=$(find /project/dist-newstyle -name "$i" -type f -executable)
|
||||
strip "$bin"
|
||||
chmod +x "$bin"
|
||||
mv "$bin" /out/
|
||||
done
|
||||
|
||||
- name: Copy binaries from container and prepare them
|
||||
id: prepare-regular
|
||||
if: startsWith(github.ref, 'refs/tags/v') && matrix.should_run == true
|
||||
shell: bash
|
||||
run: |
|
||||
docker cp builder:/out .
|
||||
|
||||
printf 'bins<<EOF\n' > bins.output
|
||||
printf 'hashes<<EOF\n' > hashes.output
|
||||
for i in ${{ env.apps }}; do
|
||||
name="$i-ubuntu-${{ matrix.os_underscore }}-${{ matrix.arch }}"
|
||||
|
||||
mv ./out/$i ./$name
|
||||
|
||||
path="${{ github.workspace }}/$name"
|
||||
hash="SHA2-256($name)= $(openssl sha256 $path | cut -d' ' -f 2)"
|
||||
|
||||
printf '%s\n' "$path" >> bins.output
|
||||
printf '%s\n\n' "$hash" >> hashes.output
|
||||
done
|
||||
printf 'EOF\n' >> bins.output
|
||||
printf 'EOF\n' >> hashes.output
|
||||
|
||||
cat bins.output >> "$GITHUB_OUTPUT"
|
||||
cat hashes.output >> "$GITHUB_OUTPUT"
|
||||
|
||||
- name: Upload binaries
|
||||
if: startsWith(github.ref, 'refs/tags/v') && matrix.should_run == true
|
||||
uses: simplex-chat/action-gh-release@v2
|
||||
with:
|
||||
append_body: true
|
||||
prerelease: true
|
||||
fail_on_unmatched_files: true
|
||||
body: |
|
||||
${{ steps.prepare-regular.outputs.hashes }}
|
||||
${{ steps.prepare-postgres.outputs.hashes }}
|
||||
files: |
|
||||
${{ steps.prepare-regular.outputs.bins }}
|
||||
${{ steps.prepare-postgres.outputs.bins }}
|
||||
env:
|
||||
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
|
||||
|
||||
- name: Test
|
||||
if: matrix.should_run == true && matrix.arch == 'x86-64'
|
||||
timeout-minutes: 120
|
||||
shell: bash
|
||||
env:
|
||||
PGHOST: localhost
|
||||
run: |
|
||||
i=1
|
||||
attempts=1
|
||||
${{ (github.ref == 'refs/heads/stable' || startsWith(github.ref, 'refs/tags/v')) }} && attempts=3
|
||||
while [ "$i" -le "$attempts" ]; do
|
||||
if ./simplexmq-test; then
|
||||
break
|
||||
else
|
||||
echo "Attempt $i failed, retrying..."
|
||||
i=$((i + 1))
|
||||
sleep 1
|
||||
fi
|
||||
done
|
||||
if [ "$i" -gt "$attempts" ]; then
|
||||
echo "All "$attempts" attempts failed."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
@@ -1,58 +0,0 @@
|
||||
name: Build and push Docker image to Docker Hub
|
||||
|
||||
on:
|
||||
push:
|
||||
tags:
|
||||
- "v*"
|
||||
|
||||
jobs:
|
||||
build-and-push:
|
||||
name: Build and push Docker image
|
||||
runs-on: ubuntu-latest
|
||||
strategy:
|
||||
fail-fast: false
|
||||
matrix:
|
||||
include:
|
||||
- app: smp-server
|
||||
app_port: "443 5223"
|
||||
- app: xftp-server
|
||||
app_port: 443
|
||||
steps:
|
||||
- name: Clone project
|
||||
uses: actions/checkout@v4
|
||||
|
||||
- name: Log in to Docker Hub
|
||||
uses: simplex-chat/docker-login-action@v3
|
||||
with:
|
||||
username: ${{ secrets.DOCKERHUB_USERNAME }}
|
||||
password: ${{ secrets.DOCKERHUB_PASSWORD }}
|
||||
|
||||
- name: Extract metadata for Docker image
|
||||
id: meta
|
||||
uses: simplex-chat/docker-metadata-action@v5
|
||||
with:
|
||||
images: ${{ secrets.DOCKERHUB_USERNAME }}/${{ matrix.app }}
|
||||
flavor: |
|
||||
latest=auto
|
||||
tags: |
|
||||
type=semver,pattern=v{{version}}
|
||||
type=semver,pattern=v{{major}}.{{minor}}
|
||||
type=semver,pattern=v{{major}}
|
||||
|
||||
- name: Set up QEMU
|
||||
uses: docker/setup-qemu-action@v3
|
||||
|
||||
- name: Set up Docker Buildx
|
||||
uses: docker/setup-buildx-action@v3
|
||||
|
||||
- name: Build and push Docker image
|
||||
uses: simplex-chat/docker-build-push-action@v6
|
||||
with:
|
||||
context: .
|
||||
platforms: linux/amd64,linux/arm64
|
||||
push: true
|
||||
build-args: |
|
||||
APP=${{ matrix.app }}
|
||||
APP_PORT=${{ matrix.app_port }}
|
||||
tags: ${{ steps.meta.outputs.tags }}
|
||||
labels: ${{ steps.meta.outputs.labels }}
|
||||
@@ -1,45 +0,0 @@
|
||||
name: Reproduce latest release
|
||||
|
||||
on:
|
||||
workflow_dispatch:
|
||||
schedule:
|
||||
- cron: '0 2 * * *' # every day at 02:00 night
|
||||
|
||||
jobs:
|
||||
reproduce:
|
||||
runs-on: ubuntu-latest
|
||||
steps:
|
||||
- name: Checkout code
|
||||
uses: actions/checkout@v3
|
||||
|
||||
- name: Get latest release
|
||||
shell: bash
|
||||
run: |
|
||||
curl --proto '=https' \
|
||||
--tlsv1.2 \
|
||||
-sSf -L \
|
||||
'https://api.github.com/repos/simplex-chat/simplexmq/releases/latest' \
|
||||
2>/dev/null | \
|
||||
grep -i "tag_name" | \
|
||||
awk -F \" '{print "TAG="$4}' >> $GITHUB_ENV
|
||||
|
||||
- name: Execute reproduce script
|
||||
run: |
|
||||
${GITHUB_WORKSPACE}/scripts/simplexmq-reproduce-builds.sh "$TAG" || :
|
||||
|
||||
- name: Check if build has been reproduced
|
||||
env:
|
||||
url: ${{ secrets.STATUS_SIMPLEX_WEBHOOK_URL }}
|
||||
user: ${{ secrets.STATUS_SIMPLEX_WEBHOOK_USER }}
|
||||
pass: ${{ secrets.STATUS_SIMPLEX_WEBHOOK_PASS }}
|
||||
run: |
|
||||
if [ -f "${GITHUB_WORKSPACE}/${TAG}-simplexmq/_sha256sums" ]; then
|
||||
exit 0
|
||||
else
|
||||
curl --proto '=https' --tlsv1.2 -sSf \
|
||||
-u "${user}:${pass}" \
|
||||
-H 'Content-Type: application/json' \
|
||||
-d '{"title": "👾 GitHub: Runner", "description": "⛔️ '"$TAG"' did not reproduce."}' \
|
||||
"$url"
|
||||
exit 1
|
||||
fi
|
||||
@@ -4,11 +4,3 @@
|
||||
*.session.sql
|
||||
tests/tmp
|
||||
dist-newstyle/
|
||||
|
||||
cabal.project.local
|
||||
cabal.project.local~
|
||||
|
||||
.hpc/
|
||||
*.tix
|
||||
.coverage
|
||||
|
||||
|
||||
@@ -1 +0,0 @@
|
||||
- ignore: {name: "Use underscore"}
|
||||
@@ -1,53 +0,0 @@
|
||||
# XFTPClientAgent Pattern
|
||||
|
||||
## TOC
|
||||
1. Executive Summary
|
||||
2. Changes: client.ts
|
||||
3. Changes: agent.ts
|
||||
4. Changes: test/browser.test.ts
|
||||
5. Verification
|
||||
|
||||
## Executive Summary
|
||||
|
||||
Add `XFTPClientAgent` — a per-server connection pool matching the Haskell pattern. The agent caches `XFTPClient` instances by server URL. All orchestration functions (`uploadFile`, `downloadFile`, `deleteFile`) take `agent` as first parameter and use `getXFTPServerClient(agent, server)` instead of calling `connectXFTP` directly. Connections stay open on success; the caller creates and closes the agent.
|
||||
|
||||
`connectXFTP` and `closeXFTP` stay exported (used by `XFTPWebTests.hs` Haskell tests). The `browserClients` hack, per-function `connections: Map`, and `getOrConnect` are deleted.
|
||||
|
||||
## Changes: client.ts
|
||||
|
||||
**Add** after types section: `XFTPClientAgent` interface, `newXFTPAgent`, `getXFTPServerClient`, `closeXFTPServerClient`, `closeXFTPAgent`.
|
||||
|
||||
**Delete**: `browserClients` Map and all `isNode` browser-cache checks in `connectXFTP` and `closeXFTP`.
|
||||
|
||||
**Revert `closeXFTP`** to unconditional `c.transport.close()` (browser transport.close() is already a no-op).
|
||||
|
||||
`connectXFTP` stays exported (backward compat) but becomes a raw low-level function — no caching.
|
||||
|
||||
## Changes: agent.ts
|
||||
|
||||
**Imports**: replace `connectXFTP`/`closeXFTP` with `getXFTPServerClient`/`closeXFTPAgent` etc.
|
||||
|
||||
**Re-export** from agent.ts: `newXFTPAgent`, `closeXFTPAgent`, `XFTPClientAgent`.
|
||||
|
||||
**`uploadFile`**: add `agent: XFTPClientAgent` as first param. Replace `connectXFTP` → `getXFTPServerClient`. Remove `finally { closeXFTP }`. Pass `agent` to `uploadRedirectDescription`.
|
||||
|
||||
**`uploadRedirectDescription`**: change from `(client, server, innerFd)` to `(agent, server, innerFd)`. Get client via `getXFTPServerClient`.
|
||||
|
||||
**`downloadFile`**: add `agent` param. Delete local `connections: Map`. Replace `getOrConnect` → `getXFTPServerClient`. Remove finally cleanup. Pass `agent` to `downloadWithRedirect`.
|
||||
|
||||
**`downloadWithRedirect`**: add `agent` param. Same replacements. Remove try/catch cleanup. Recursive call passes `agent`.
|
||||
|
||||
**`deleteFile`**: add `agent` param. Same pattern.
|
||||
|
||||
**Delete**: `getOrConnect` function entirely.
|
||||
|
||||
## Changes: test/browser.test.ts
|
||||
|
||||
Create agent before operations, pass to upload/download, close in finally.
|
||||
|
||||
## Verification
|
||||
|
||||
1. `npx vitest --run` — browser round-trip test passes
|
||||
2. No remaining `browserClients`, `getOrConnect`, or per-function `connections: Map` locals
|
||||
3. `connectXFTP` and `closeXFTP` still exported (XFTPWebTests.hs compat)
|
||||
4. All orchestration functions take `agent` as first param
|
||||
-826
@@ -1,847 +1,24 @@
|
||||
# 6.5.0
|
||||
|
||||
Version 6.5.0.17
|
||||
|
||||
SMP agent:
|
||||
- improve subscriptions
|
||||
- reduce memory usage and retries during initial subscription (#1758)
|
||||
- fix race resulting in pending subscriptions never subscribed (#1756)
|
||||
- batch processing of subscription results and errors (#1652)
|
||||
- reduce memory usage of active subscriptions.
|
||||
- drop message after N reception attempts (#1762)
|
||||
- fix possible deadlocks of queue overloading when processing messages (#1713)
|
||||
- improved APIs for short link management and creation.
|
||||
- support multiple link owners in link data (#1701)
|
||||
|
||||
SMP server:
|
||||
- store messages in PostgreSQL (#1622).
|
||||
- reduce memory usage with PostgreSQL database - do not use queue cache (#1637)
|
||||
- fix in-memory server not restoring queue/service associations after 2+ restarts (#1618)
|
||||
|
||||
XFTP server:
|
||||
- support PostgreSQL database.
|
||||
- add server page.
|
||||
- support uploads from web clients.
|
||||
|
||||
Servers:
|
||||
- better socket leak prevention during TLS handshake, NetworkError type to bette diagnose connection errors (#1619)
|
||||
- use "=" as default INI key-value separator (#1767)
|
||||
|
||||
# 6.4.4
|
||||
|
||||
Servers:
|
||||
- fix server pages when source code is not specified.
|
||||
- include commit SHA in printed version and in web page (#1608).
|
||||
|
||||
SMP server:
|
||||
- support short SimpleX addresses in server information page (#1600).
|
||||
- wrap all queries in transactions (#1603).
|
||||
|
||||
SMP agent:
|
||||
- chat relay address type for short links (#1602).
|
||||
- extend xrcp certificate validity 1 hour in the past, to allow out of sync clocks (#1601).
|
||||
|
||||
# 6.4.3
|
||||
|
||||
SMP agent:
|
||||
- fix some connection errors by updating contact request server hosts to match server in short link (#1597).
|
||||
|
||||
SMP server:
|
||||
- support short link URI as queue identifier in control port commands (#1596).
|
||||
|
||||
# 6.4.2
|
||||
|
||||
SMP server:
|
||||
- fix memory leak when connection interrupts straight after client connects.
|
||||
- do not include repeated queue blocking into stats/quota.
|
||||
|
||||
XFTP server:
|
||||
- prometheus metrics
|
||||
|
||||
# 6.4.1
|
||||
|
||||
SMP protocol:
|
||||
- create notification credentials via NEW command that creates the queue (#1586)
|
||||
|
||||
SMP server:
|
||||
- control port session improvements (#1591)
|
||||
- additional stat counter for ntf credentials created together with the queue (#1589)
|
||||
|
||||
# 6.4.0
|
||||
|
||||
SMP protocol (server/client):
|
||||
- support associated queue data and short connection links (see [RFC](./rfcs/2025-03-16-smp-queues.md)).
|
||||
- service certificates to optimize subscriptions.
|
||||
|
||||
SMP agent:
|
||||
- support retries for interactive connection handshakes.
|
||||
- use web port 443 by default for preset servers.
|
||||
- use static RNG function to avoid creating dynamic C stubs when generating sntrup keys (it was detected as Dynamic Code Loading in GrapheneOS).
|
||||
- different timeouts for interactive and background operations.
|
||||
|
||||
Ntf server:
|
||||
- PostgreSQL storage.
|
||||
- Prometheus metrics.
|
||||
- use service certificates.
|
||||
- fix repeat token registration.
|
||||
|
||||
# 6.3.2
|
||||
|
||||
Servers:
|
||||
- enable store log by default (#1501).
|
||||
|
||||
SMP server:
|
||||
- reduce memory usage (#1498)
|
||||
|
||||
SMP agent:
|
||||
- handle client/agent version downgrades after connection was established (#1508).
|
||||
|
||||
# 6.3.1
|
||||
|
||||
Servers:
|
||||
- handle ECONNABORTED error on client connections.
|
||||
- reproducible builds.
|
||||
- blocking records for content moderation.
|
||||
- update script (simplex-servers-update) downloads scripts from the specified or the latest stable tag.
|
||||
|
||||
SMP server:
|
||||
- support for PostgreSQL database for queue records for higher traffic servers.
|
||||
- fix old clients sending messages to new servers (#1443)
|
||||
- remove empty journals when opening message queues and expiring idle queues (#1456, #1458).
|
||||
- additional start options (#1465):
|
||||
- `maintenance` to run all start/stop operations without starting server.
|
||||
- `skip-warnings` to ignore the last corrupted line in store log (can happen on abnormal termination).
|
||||
|
||||
Ntf server:
|
||||
- record date of last token activity, to allow expiring inactive tokens.
|
||||
- additional token invalidation reasons in logs.
|
||||
|
||||
SMP agent:
|
||||
- store message sent to multiple connections only once, to reduce storage when sending to groups (#1453).
|
||||
- encrypt messages on delivery, to reduce database writes (#1446).
|
||||
- don't block method calls on congested sockets for better concurrency (#1454).
|
||||
- check notification token status on client connection.
|
||||
- option to skip SQLite vacuum on migrations.
|
||||
|
||||
# 6.3.0
|
||||
|
||||
SMP agent: fix joining connection after failure by using the same ratchet.
|
||||
|
||||
# 6.2.2
|
||||
|
||||
SMP server:
|
||||
- add optional Prometheus metrics (#1411).
|
||||
|
||||
Build:
|
||||
- remove three modules from client library.
|
||||
|
||||
# 6.2.0
|
||||
|
||||
Version 6.2.0.7
|
||||
|
||||
Build:
|
||||
- client_library flag to build only used modules in the clients, remove package yaml
|
||||
|
||||
SMP server:
|
||||
- journal storage for messages (BETA).
|
||||
- prevent race condition when deleting queue and to avoid "orphan" messages (#1395).
|
||||
|
||||
SMP agent:
|
||||
- support SMP and XFTP server roles (storage/proxy) and operators (#1343).
|
||||
- treat blocked STM and other critical errors that offer restart as temporary for message delivery (#1405).
|
||||
- fix inconsistent state after app restart while accepting contact request (#1412).
|
||||
|
||||
# 6.1.3
|
||||
|
||||
SMP server: fix restoring notification credentials.
|
||||
|
||||
# 6.1.2
|
||||
|
||||
Servers: more reliable restoring of state.
|
||||
|
||||
SMP server: reduced memory usage and faster start.
|
||||
|
||||
Notifications: compensate for iOS notifications being dropped by Apple while device is offline (#1378):
|
||||
- Ntf server: send multiple SMP notifications in one iOS notification.
|
||||
- Agent: get multiple messages for one iOS notification.
|
||||
|
||||
# 6.1.1
|
||||
|
||||
SMP:
|
||||
- stop server faster (#1371)
|
||||
- add STORE error (#1372)
|
||||
|
||||
# 6.1.0
|
||||
|
||||
Version 6.1.0.7
|
||||
|
||||
SMP server and client:
|
||||
- transport block encryption (#1317).
|
||||
|
||||
Agent:
|
||||
- batch and optimize iOS notifications processing (#1308, #1311, #1313, #1316, #1330, #1331, #1333, #1337, #1346).
|
||||
- allow receiving multiple messages from single iOS notification (#1355, #1362).
|
||||
- prepare connection to accept to avoid race condition with events (#1365).
|
||||
- transport isolation mode "Session" (default) to use new SOCKS credentials when client restarts or SOCKS proxy configuration changes (#1321).
|
||||
|
||||
Ntf server:
|
||||
- control port (#1354).
|
||||
- enable pings on ntf subscriptions, to resubscribe on reconnection (#1353).
|
||||
|
||||
SMP server:
|
||||
- support multiple server ports (#1319).
|
||||
- support serving HTTPS and SMP transport on the same port (#1326, #1327).
|
||||
- persist iOS notifications to avoid losing them when Ntf server is offline (#1336, #1339, #1350).
|
||||
- fix lost notification subscriptions (#1347).
|
||||
- reject SKEY with different key earlier, at verification step (#1366).
|
||||
- pass server information via CLI during server initialization (#1356).
|
||||
- show version on server page (#1341).
|
||||
- explicit graceful shutdown on SIGINT (#1360).
|
||||
|
||||
XRCP (remote access protocol):
|
||||
- use SHA3-256 in hybrid key agreement (#1302).
|
||||
- session encryption with forward secrecy (#1328).
|
||||
|
||||
# 6.0.5
|
||||
|
||||
SMP agent:
|
||||
- support generic SOCKS proxy (without isolate-by-auth).
|
||||
- reduce max message sizes
|
||||
|
||||
# 6.0.4
|
||||
|
||||
SMP server:
|
||||
- better performance/memory: fewer map updates on re-subscriptions (#1297), split and reduce STM transactions (#1294)
|
||||
- send DELD when subscribed queue is deleted (#1312)
|
||||
- add created/updated/used date to queues to manage expiration (#1306)
|
||||
|
||||
XFTP server: truncate file creation time to 1 hour (#1310)
|
||||
|
||||
Servers:
|
||||
- bind control port only to 127.0.0.1 for better security in case of firewall misconfiguration (#1280)
|
||||
- reduce memory used for period stats (#1298)
|
||||
|
||||
Agent: process last notification from list (#1307)
|
||||
- report receive file error with redirected file ID, when redirect is present (#1304)
|
||||
- special error when deleted user record is not in database (#1303)
|
||||
- fix race when sending a message to the deleted connection (#1296)
|
||||
- support for multiple messages in a single notification
|
||||
|
||||
Ntf server:
|
||||
- only use SOCKS proxy for servers without public address (#1314)
|
||||
|
||||
# 6.0.3
|
||||
|
||||
Agent:
|
||||
- fix possible stuck queue rotation (#1290).
|
||||
|
||||
SMP server:
|
||||
- batch END responses when subscribed client switches to reduce server and client traffic.
|
||||
- reduce STM transactions for better performance.
|
||||
- add stats for END events and for SUB/DEL event batches.
|
||||
- remove "expensive" stats to save memory.
|
||||
|
||||
# 6.0.2
|
||||
|
||||
SMP agent:
|
||||
- fix stuck connection commands when a server is not responding.
|
||||
- store query errors, reduce slow query threshold to 1ms.
|
||||
|
||||
Notification server:
|
||||
- reduce PING interval to 1 minute.
|
||||
- fix subscriptions disabled on race condition (only mark subscriptions with END status when received via the active connection).
|
||||
|
||||
# 6.0.1
|
||||
|
||||
SMP agent:
|
||||
- support changing user of the new connection.
|
||||
- do not start delivery workers when there are no messages to deliver.
|
||||
- enable notifications for all connections.
|
||||
- combine database transactions when subscribing.
|
||||
|
||||
SMP server:
|
||||
- safe compacting of store log.
|
||||
- fix possible race when creating client that might lead to memory leak.
|
||||
|
||||
Dependencies: upgrade tls to 1.9
|
||||
|
||||
# 6.0.0
|
||||
|
||||
Version 6.0.0.8
|
||||
|
||||
Agent:
|
||||
- enabled fast handshake support.
|
||||
- batch-send multiple messages in each connection.
|
||||
- resume subscriptions as soon as agent moves to foreground or as network connection resumes.
|
||||
- "known" servers to determine whether to use SMP proxy.
|
||||
- retry on SMP proxy NO_SESSION error.
|
||||
- fixes to notification subscriptions.
|
||||
- persistent server statistics.
|
||||
- better concurrency.
|
||||
|
||||
SMP server:
|
||||
- reduce threads usage.
|
||||
- additional statistics.
|
||||
- improve disabling inactive clients.
|
||||
- additional control port commands for monitoring.
|
||||
|
||||
Notification server:
|
||||
- support onion-only SMP servers.
|
||||
|
||||
# 5.8.2
|
||||
|
||||
Agent:
|
||||
- fast handshake support (disabled).
|
||||
- new statistics api.
|
||||
|
||||
SMP server:
|
||||
- fast handshake support (SKEY command).
|
||||
- minor changes to reduce memory usage.
|
||||
|
||||
# 5.8.1
|
||||
|
||||
Agent:
|
||||
- API to reconnect one server.
|
||||
- Better error handling of file errors and remote control connection errors.
|
||||
- Only start uploading file once all chunks were registered on the servers.
|
||||
|
||||
SMP server:
|
||||
- additional stats for sent message notifications.
|
||||
- fix server page layout.
|
||||
|
||||
# 5.8.0
|
||||
|
||||
Version 5.8.0.10
|
||||
|
||||
SMP server and client:
|
||||
- protocol extension to forward messages to the destination servers, to protect sending client IP address and transport session.
|
||||
|
||||
Agent:
|
||||
- process timed out subscription responses to reduce the number of resubscriptions.
|
||||
- avoid sending messages and commands when waiting for response timed out (except batched SUB and DEL commands).
|
||||
- fix issue with stuck message reception on slow connection (when response to ACK timed out, and the new message was not processed until resubscribed).
|
||||
- fix issue when temporary file sending or receiving error was treated as permanent.
|
||||
|
||||
SMP server:
|
||||
- include OK responses to all batched SUB requests to reduce subscription timeouts.
|
||||
|
||||
XFTP server:
|
||||
- report file upload timeout as TIMEOUT, to avoid delivery failure.
|
||||
|
||||
# 5.7.6
|
||||
|
||||
XFTP agent:
|
||||
- treat XFTP handshake timeouts and network errors as temporary, to retry file operations.
|
||||
|
||||
# 5.7.5
|
||||
|
||||
SMP agent:
|
||||
- fail if non-unique connection IDs are passed to sendMessages (to prevent client errors and deadlocks).
|
||||
|
||||
# 5.7.4
|
||||
|
||||
SMP agent:
|
||||
- remove re-subscription timeouts (as they are tracked per operation, and could cause failed subscriptions).
|
||||
- reconnect XFTP clients when network settings changes.
|
||||
- fix lock contention resulting in stuck subscriptions on network change.
|
||||
|
||||
# 5.7.3
|
||||
|
||||
SMP/NTF protocol:
|
||||
- add ALPN for handshake version negotiation, similar to XFTP (to preserve backwards compatibility with the old clients).
|
||||
- upgrade clients to versions v7/v2 of the protocols.
|
||||
|
||||
SMP server:
|
||||
- faster responses to subscription requests.
|
||||
|
||||
XFTP client:
|
||||
- fix network exception during file download treated as permanent file error.
|
||||
|
||||
SMP agent:
|
||||
- do not report subscription timeouts while client is offline.
|
||||
|
||||
# 5.7.2
|
||||
|
||||
SMP agent:
|
||||
- fix connections failing when connecting via link due to race condition on slow network.
|
||||
- remove concurrency limit when waiting for connection subscription.
|
||||
- remove TLS timeout.
|
||||
|
||||
# 5.7.1
|
||||
|
||||
SMP agent:
|
||||
- increase timeout for TLS connection via SOCKS
|
||||
|
||||
# 5.7.0
|
||||
|
||||
Version 5.7.0.4
|
||||
|
||||
_Please note_: the earliest SimpleX Chat clients supported by this version of the servers is 5.5.3 (released on February 11, 2024).
|
||||
|
||||
SMP server:
|
||||
- increase max SMP protocol version to 7 (support for deniable authenticators).
|
||||
|
||||
NTF server:
|
||||
- increase max NTF protocol version to 2 (support for deniable authenticators).
|
||||
|
||||
XFTP server:
|
||||
- version handshake using ALPN.
|
||||
|
||||
SMP agent:
|
||||
- increase timeouts for XFTP files.
|
||||
- don't send commands after timeout.
|
||||
- PQ encryption support.
|
||||
|
||||
# 5.6.2
|
||||
|
||||
Version 5.6.2.2.
|
||||
|
||||
SMP agent:
|
||||
- Lower memory consumption (~20-25%).
|
||||
- More stable XFTP file uploads and downloads.
|
||||
- API to receive network connectivity changes from the apps.
|
||||
- to reduce battery consumption: connection attempts interval growing to every 2 hours when app reports as offline.
|
||||
- to reduce retries and traffic: 50% increased timeouts when on mobile network.
|
||||
|
||||
XFTP server:
|
||||
- expire files on start.
|
||||
- version negotiation based on TLS ALPN and handshake.
|
||||
|
||||
NTF server:
|
||||
- reduced downtime by ~100x faster start time.
|
||||
- exclude test tokens from statistics.
|
||||
|
||||
# 5.6.1
|
||||
|
||||
Version 5.6.1.0.
|
||||
|
||||
- Much faster iOS notification server start time (fewer skipped notifications).
|
||||
- Fix SMP server stored message stats.
|
||||
- Prevent overwriting uploaded XFTP files with subsequent upload attempts.
|
||||
- Faster base64 encoding/parsing.
|
||||
- Control port audit log and authentication.
|
||||
|
||||
# 5.6.0
|
||||
|
||||
Version 5.6.0.4.
|
||||
|
||||
SMP protocol/client/server:
|
||||
- support deniable sender command authorization (to be enabled in the next version).
|
||||
- remove support for SMP protocol versions (prior to v4, 07/2022).
|
||||
|
||||
Agent:
|
||||
- optional post-quantum key agreement using sntrup761 in double ratchet protocol.
|
||||
- improve performance of deleting multiple connections and files by batching database operations.
|
||||
- delay connection deletion to deliver pending messages.
|
||||
- API to test for notifications server.
|
||||
- remove support for client protocols versions (prior to 10/2022).
|
||||
|
||||
XFTP server:
|
||||
- restore storage quota in case of failed uploads.
|
||||
|
||||
Performance and stability improvements.
|
||||
|
||||
# 5.5.3
|
||||
|
||||
Agent:
|
||||
- notification token API also returns active notifications server.
|
||||
- support file descriptions with redirection and file URIs.
|
||||
|
||||
Servers:
|
||||
- CLI commands for online key and certificate rotation.
|
||||
- Configure config and log paths via environment variables.
|
||||
|
||||
# 5.5.2
|
||||
|
||||
Extensible handshake for clients and SMP/NTF servers (ignore extra data).
|
||||
|
||||
# 5.5.1
|
||||
|
||||
SMP servers:
|
||||
- do not keep stats file open
|
||||
- additional stats about currently stored messages
|
||||
|
||||
Agent:
|
||||
- support multiple notification servers (only one can be used at a time).
|
||||
- expire messages after "quota exceeded" error after 7 days (instead of 21 days previously).
|
||||
- stabilize message delivery, remove unnecessary subscription retries and traffic.
|
||||
- improve database performance for message delivery.
|
||||
- fix sockets/memory leak - a very old bug "activated" by improvements in v5.5.0.
|
||||
|
||||
# 5.5.0
|
||||
|
||||
Code:
|
||||
- compatible with GHC 8.10.7 to support compilation for armv7a.
|
||||
- migrate to `crypton` from deprecated `cryptonite` (the seed for DRG is now sha512-hashed).
|
||||
- use ChaChaDRG for all random IDs, keys and nonces, only using hashed entropy as seed.
|
||||
- more efficient transaction batching in SMP protocol client and server.
|
||||
|
||||
Agent:
|
||||
- stabilize message reception and delivery, migrate message delivery to database queue.
|
||||
- additional event MSGNTF confirming that message received via notification is processed.
|
||||
- efficient processing of messages sent to multiple recipients with batched database transactions.
|
||||
- new worker abstraction for all queued tasks resilient to race conditions and some database errors.
|
||||
- many fixed race conditions.
|
||||
- background mode for iOS NSE.
|
||||
- additional error reporting to client on critical errors (to be show as alert in the clients).
|
||||
- functional api to get worker statistics.
|
||||
|
||||
SMP/XFTP servers:
|
||||
- fix socket and memory leak on servers with high load (inactive clients without subscriptions are disconnected after set time of inactivity).
|
||||
- control port improvements.
|
||||
- fix statistics for stored queues, messages and files.
|
||||
- make writing to store log atomic (fixes a rare bug in XFTP server).
|
||||
|
||||
# 5.4.0
|
||||
|
||||
Migrate to GHC 9.6.3
|
||||
|
||||
Agent:
|
||||
- database improvements:
|
||||
- track slow queries.
|
||||
- better performance.
|
||||
- "busy" error handling.
|
||||
- create parent folder when needed.
|
||||
- support closing and re-opening database.
|
||||
- SMP agent improvements
|
||||
- streaming for batched SMP commands.
|
||||
- fix asynchronous JOINing connection.
|
||||
- handle repeating JOINs without failure.
|
||||
- api to get subscribed connections.
|
||||
- return simplex:/ links as invitations.
|
||||
- fix memory leak.
|
||||
- XFTP improvements:
|
||||
- suspend when agent is suspended.
|
||||
- support locally encrypted files.
|
||||
- fixes - create empty file, prevent permanent error treated as temporary.
|
||||
- upgrade HTTP2 library (fixes error handling and flow control).
|
||||
- Remote control protocol (XRCP)
|
||||
|
||||
SMP server:
|
||||
- control port commands for GHC threads introspection.
|
||||
- allow creating new queues without subscriptions (required for iOS).
|
||||
|
||||
XFTP server:
|
||||
- allow 64kb file chunks.
|
||||
|
||||
NTF server:
|
||||
- faster startup.
|
||||
|
||||
# 5.3.0
|
||||
|
||||
Agent:
|
||||
- improve performance, track slow database queries.
|
||||
- support delivery receipts.
|
||||
|
||||
SMP server:
|
||||
- control port
|
||||
|
||||
# 5.2.0 (NTF server 1.5.0)
|
||||
|
||||
Agent:
|
||||
- treat agent INACTIVE error as temporary - fixes failed message delivery in some race conditions.
|
||||
- restore connection confirmations after client restart - fixes failed connections.
|
||||
- ratchet resynchronization protocol and API.
|
||||
- increase connection version to mutually supported by both peers on each received message.
|
||||
|
||||
Client:
|
||||
- make timeout for batched functions dependent on the number of batches - fixes expiry on large batches.
|
||||
|
||||
Servers:
|
||||
- add timeout in case of sending TCP traffic and in case of partial delivery of requested blocks to avoid resource leaks.
|
||||
|
||||
# 5.1.2, 5.1.3 (NTF server 1.4.1, 1.4.2)
|
||||
|
||||
Agent:
|
||||
- ACK message on decryption error (fixes stuck message delivery bug)
|
||||
- more robust connection switching logic, API to abort switching the address
|
||||
|
||||
Notification server:
|
||||
- batch subscriptions to SMP servers
|
||||
|
||||
# 5.1.1 (NTF server 1.4.0)
|
||||
|
||||
Agent:
|
||||
- store and check hashes of previous encrypted messages to differentiate between duplicates and decryption errors
|
||||
|
||||
Server:
|
||||
- larger processing queues
|
||||
- expire messages when restoring them
|
||||
|
||||
# 5.1.0
|
||||
|
||||
XFTP client:
|
||||
- check encrypted file exists when uploading
|
||||
- remove user ID from deletion API
|
||||
|
||||
Agent:
|
||||
- vacuum database on migrations
|
||||
|
||||
SMP server:
|
||||
- configure message expiration time in INI file
|
||||
|
||||
# 5.0.0
|
||||
|
||||
SimpleX File Transfer Protocol (XFTP):
|
||||
- XFTP server
|
||||
- XFTP CLI
|
||||
- support XFTP in the agent
|
||||
|
||||
Other changes:
|
||||
- preserve retry interval for sending messages on agent restarts
|
||||
- support IPv6 in the servers and in the agent
|
||||
- support for 32-bit platforms
|
||||
|
||||
Read more about XFTP in this post: https://simplex.chat/blog/20230301-simplex-file-transfer-protocol.html
|
||||
|
||||
# 4.4.1
|
||||
|
||||
SMP agent:
|
||||
|
||||
- fix handling of server addresses.
|
||||
- prevent message delivery getting stuck on IO error in SMP client.
|
||||
|
||||
# 4.4.0
|
||||
|
||||
SMP agent:
|
||||
|
||||
- support multiple user profiles with transport session isolation.
|
||||
- support optional transport isolation per connection.
|
||||
- batch connection deletion
|
||||
- improve asynchronous connection deletion – it may now be completed after the client is restarted as well.
|
||||
- improve subscription logic to retry if initial attempt fails.
|
||||
- end SMP client connection after a number of failed PINGs (default is 3).
|
||||
|
||||
# 4.3.0
|
||||
|
||||
SMP server:
|
||||
|
||||
- additional server usage statistics.
|
||||
|
||||
SMP agent:
|
||||
|
||||
- increase retry interval when sending messages after ERR QUOTA.
|
||||
|
||||
# 4.2.0
|
||||
|
||||
SMP agent and server:
|
||||
|
||||
- reduce sender traffic in cases when queue quota is exceeded:
|
||||
- server sends quota exceeded message to the recipient when sender receives ERR QUOTA.
|
||||
- recipient sends QCONT message to the send once the queue is drained (via reply queue).
|
||||
- sender retry delays are increased, reducing traffic, but sender instantly resumes delivery where QCONT is received.
|
||||
|
||||
SMP server:
|
||||
|
||||
- increase internal queue sizes.
|
||||
|
||||
SMP agent:
|
||||
|
||||
- deduplicate connection IDs in connect/disconnect responses.
|
||||
- unit tests for Crypto.hs.
|
||||
- fix connection switch to another queue: correctly set primary send queue.
|
||||
|
||||
Notification server (v1.3.0):
|
||||
|
||||
- check token status when sending verification notification.
|
||||
|
||||
# 4.1.0
|
||||
|
||||
SMP agent and server:
|
||||
|
||||
- option to toggle TLS handshake error logs (disabled by default).
|
||||
|
||||
SMP agent:
|
||||
|
||||
- include server address in BROKER error.
|
||||
- api to get hash of double ratchet associated data (for connection verification).
|
||||
- api to get agent statistics.
|
||||
|
||||
# 4.0.0
|
||||
|
||||
SMP server:
|
||||
|
||||
- Basic authentication. The server address can now include an optional password that is required to create messaging queues, so the contacts who message you will not be able to receive messages via your server, unless you share with them the address with the password. It is recommended to enable basic authentication on all private servers by adding `create_password` parameter into AUTH section of server INI file (the previously deployed servers do not have this section, you need to add it).
|
||||
- Disable creating new queues completely with `new_queues: off` parameter in AUTH section of INI file - it can be used to simplify migrating the existing connections to another server.
|
||||
- Updated server CLI with changed defaults:
|
||||
- interactive server initialization, use -y flag to initialize the server non-interactively.
|
||||
- store log is now enabled by default, so messaging queues and messages are restored when the server is restarted (to restore undelivered messages the server needs to be stopped with SIGINT signal).
|
||||
- a random password is now generated by default during the server initialization.
|
||||
|
||||
SMP agent:
|
||||
|
||||
- API to test SMP servers. It connects to the server, creates and deletes a messaging queue. The new SimpleX Chat client uses this API to allow you to test that you have the correct server address, with the valid certificate fingerprint and password, before enabling the new server.
|
||||
|
||||
# 3.4.0
|
||||
|
||||
SMP agent:
|
||||
|
||||
- increase concurrency with connection-level locks
|
||||
- fix issues identified in security assessment (see the announcement: https://github.com/simplex-chat/simplex-chat/blob/stable/blog/20221108-simplex-chat-v4.2-security-audit-new-website.md)
|
||||
- manual connection queue rotation
|
||||
- optional client data in connection requests links
|
||||
|
||||
SMP server:
|
||||
|
||||
- specialize monad stack to improve performance
|
||||
- log slow commands
|
||||
|
||||
# 3.3.0
|
||||
|
||||
SMP server:
|
||||
|
||||
- allow repeated KEY command with the same key (to avoid failures on retries)
|
||||
|
||||
SMP agent:
|
||||
|
||||
- enable/disable connection notifications
|
||||
- asynchronous commands that retry on network error
|
||||
- use SQLCipher
|
||||
|
||||
# 3.2.0
|
||||
|
||||
SMP agent:
|
||||
|
||||
- Support multiple server hostnames (including onion hostnames) in server addresses.
|
||||
- Network configuration options.
|
||||
- Options to define rules to choose server hostname.
|
||||
|
||||
# 3.1.0
|
||||
|
||||
SMP server and agent:
|
||||
|
||||
- SMP protocol v4: batching multiple server commands/responses in a transport block.
|
||||
|
||||
# 3.0.0
|
||||
|
||||
SMP server:
|
||||
|
||||
- restore undelivered messages when the server is restarted.
|
||||
- SMP protocol v3 to support push notification:
|
||||
- updated SEND and MSG to add message flags (for notification flag that confirm whether the notification is sent and for any future extensions) and to move message meta-data sent to the recipient into the encrypted envelope.
|
||||
- update NKEY and NID to add e2e encryption keys (for the notification meta-data encryption between SMP server and the client), and update NMSG to include this meta-data.
|
||||
- update ACK command to include message ID (to avoid acknowledging unprocessed message).
|
||||
- add NDEL commands to remove notification subscription credentials from SMP queue.
|
||||
- add GET command to receive messages without subscription - to be used in iOS notification service extension to receive messages without terminating app subscriptions.
|
||||
|
||||
SMP agent:
|
||||
|
||||
- new protocol for duplex connection handshake reducing traffic and connection time.
|
||||
- support for SMP notifications server and managing device token.
|
||||
- remove redundant FQDN validation from TLS handshake to prepare for access via Tor.
|
||||
- support for fully stopping agent and for temporary suspending agent operations.
|
||||
- improve management of duplicate message delivery.
|
||||
|
||||
SMP notifications server v1.0:
|
||||
|
||||
- SMP notifications protocol with version negotiation during handshake.
|
||||
- device token registration and verification (via background notification).
|
||||
- SMP notification subscriptions and push notifications via APNS.
|
||||
- restoring notification subscriptions when the server is restarted.
|
||||
|
||||
# 2.3.0
|
||||
|
||||
SMP server:
|
||||
|
||||
- Save and restore undelivered messages, to avoid losing them. To save messages the server has to be stopped with SIGINT signal, if it is stopped with SIGTERM undelivered messages would not be saved.
|
||||
|
||||
# 2.2.0
|
||||
|
||||
SMP server:
|
||||
|
||||
- Fix sockets/threads/memory leak
|
||||
|
||||
SMP agent:
|
||||
|
||||
- Support stopping and resuming agent with `disconnectAgentClient` / `resumeAgentClient`
|
||||
|
||||
# 2.1.1
|
||||
|
||||
SMP server:
|
||||
|
||||
- gracefully close sockets on client disconnection
|
||||
- CLI warning when deleting server configuration
|
||||
|
||||
# 2.1.0
|
||||
|
||||
SMP server:
|
||||
|
||||
- configuration to expire inactive clients in ini file, increased TTL and check interval for client expiration
|
||||
|
||||
# 2.0.0
|
||||
|
||||
Push notifications server (beta):
|
||||
|
||||
- supports APNS
|
||||
- manage device tokens verification via notification delivery
|
||||
- sending periodic background notification to check messages (not more frequent than every 20 min)
|
||||
|
||||
SMP server:
|
||||
|
||||
- disconnect inactive clients after some period
|
||||
- remove undelivered messages after 30 days
|
||||
- log aggregate usage daily stats: only the number of queues created/secured/deleted/used and messages sent/delivered is logged, as one line per day, so we can plan server capacity and diagnose any problems.
|
||||
|
||||
SMP agent:
|
||||
|
||||
- manage device tokens and notification server connection
|
||||
- DOWN/UP events to the agent user about server disconnections/reconnections are now sent once per server
|
||||
|
||||
# 1.1.0
|
||||
|
||||
SMP server:
|
||||
|
||||
- message TTL and periodic deletion of old messages
|
||||
- configuration to prevent creation of the new queues
|
||||
|
||||
SMP agent:
|
||||
|
||||
- asynchronous connection handshake
|
||||
- configurable SMP servers at run-time
|
||||
- use TCP keep-alive for connection stability
|
||||
- improve stability of connection subscriptions
|
||||
- auto-vacuum DB to remove deleted records
|
||||
|
||||
# 1.0.3
|
||||
|
||||
SMP server:
|
||||
|
||||
- Reduce server message queue quota to 128 messages.
|
||||
|
||||
SMP agent:
|
||||
|
||||
- Add "yes to migrations" option.
|
||||
- Make new SMP client attempt to reconnect on network error.
|
||||
- Reduce connection handshake expiration to 2 days.
|
||||
|
||||
JSON encoding of types used in simplex-chat, some other minor adjustments.
|
||||
|
||||
# 1.0.2
|
||||
|
||||
General:
|
||||
|
||||
- Enable TLS 1.3 parameters for TLS handshake (server and client).
|
||||
- Switch from hs-tls fork to original repo now that it supports getFinished and getPeerFinished APIs for both TLS 1.2 and TLS 1.3.
|
||||
|
||||
SMP server:
|
||||
|
||||
- Perform TLS handshake in a separate thread per-connection.
|
||||
|
||||
SMP agent:
|
||||
|
||||
- Cease attempts to send HELLO after one week timeout.
|
||||
- Coalesce requests to connect to SMP servers, to have 1 connection per server.
|
||||
|
||||
# 1.0.1
|
||||
|
||||
SMP server:
|
||||
|
||||
- Explicitly set line buffering in stdout/stderr to log each line when output is redirected to files.
|
||||
|
||||
# 1.0.0
|
||||
|
||||
Security and privacy improvements:
|
||||
|
||||
- Faster and more secure 2-layer E2E encryption with additional encryption layer between servers and recipients:
|
||||
- application messages in each duplex connection (managed by SMP agents - see [overview](https://github.com/simplex-chat/simplexmq/blob/master/protocol/overview-tjr.md)) are encrypted using [double-ratchet algorithm](https://www.signal.org/docs/specifications/doubleratchet/), providing forward secrecy and break-in recovery. This layer uses two Curve448 keys per client for [X3DH key agreement](https://www.signal.org/docs/specifications/x3dh/), SHA512 based HKDFs and AES-GCM AEAD encryption.
|
||||
- SMP client messages are additionally E2E encrypted in each SMP queue to avoid cipher-text correlation of messages sent via multiple redundant queues (that will be supported soon). This and the next layer use [NaCl crypto_box algorithm](https://nacl.cr.yp.to/index.html) with XSalsa20Poly1305 cipher and Curve25519 keys for DH key agreement.
|
||||
@@ -854,16 +31,13 @@ Security and privacy improvements:
|
||||
- Server identity verification via server offline certificate fingerprints included in SMP server addresses.
|
||||
|
||||
New functionality:
|
||||
|
||||
- Support for notification servers with new SMP commands: `NKEY`/`NID`, `NSUB`/`NMSG`.
|
||||
|
||||
Efficiency improvements:
|
||||
|
||||
- Binary protocol encodings to reduce overhead from circa 15% to approximately 3.7% of transmitted application message size, with only 2.2% overhead for SMP protocol messages.
|
||||
- More performant cryptographic algorithms.
|
||||
|
||||
For more information about SimpleX:
|
||||
|
||||
- [SimpleX overview](https://github.com/simplex-chat/simplexmq/blob/master/protocol/overview-tjr.md).
|
||||
- [SimpleX chat v1 announcement](https://github.com/simplex-chat/simplex-chat/blob/master/blog/20220112-simplex-chat-v1-released.md).
|
||||
|
||||
|
||||
-85
@@ -1,85 +0,0 @@
|
||||
# syntax=docker/dockerfile:1.7.0-labs
|
||||
ARG TAG=24.04
|
||||
|
||||
FROM ubuntu:${TAG} AS build
|
||||
|
||||
### Build stage
|
||||
|
||||
# Install curl and git and simplexmq dependencies
|
||||
RUN apt-get update && apt-get install -y curl git build-essential libgmp3-dev zlib1g-dev llvm-18 llvm-18-dev libnuma-dev libssl-dev
|
||||
|
||||
# Specify bootstrap Haskell versions
|
||||
ENV BOOTSTRAP_HASKELL_GHC_VERSION=9.6.3
|
||||
ENV BOOTSTRAP_HASKELL_CABAL_VERSION=3.12.1.0
|
||||
|
||||
# Do not install Stack
|
||||
ENV BOOTSTRAP_HASKELL_INSTALL_NO_STACK=true
|
||||
ENV BOOTSTRAP_HASKELL_INSTALL_NO_STACK_HOOK=true
|
||||
|
||||
# Install ghcup
|
||||
RUN curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 sh
|
||||
|
||||
# Adjust PATH
|
||||
ENV PATH="/root/.cabal/bin:/root/.ghcup/bin:$PATH"
|
||||
|
||||
# Set both as default
|
||||
RUN ghcup set ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}" && \
|
||||
ghcup set cabal "${BOOTSTRAP_HASKELL_CABAL_VERSION}"
|
||||
|
||||
# Copy only the source code
|
||||
COPY apps /project/apps/
|
||||
COPY cbits /project/cbits/
|
||||
COPY src /project/src/
|
||||
|
||||
COPY cabal.project Setup.hs simplexmq.cabal LICENSE /project
|
||||
|
||||
WORKDIR /project
|
||||
|
||||
# Debug
|
||||
#ARG CACHEBUST=1
|
||||
|
||||
#ADD --chmod=755 https://github.com/MShekow/directory-checksum/releases/download/v1.4.6/directory-checksum_1.4.6_linux_amd64 /usr/local/bin/directory-checksum
|
||||
#RUN directory-checksum --max-depth 2 .
|
||||
|
||||
# Set build arguments and check if they exist
|
||||
ARG APP
|
||||
RUN if [ -z "$APP" ]; then printf "Please spcify \$APP build-arg.\n"; exit 1; fi
|
||||
|
||||
# Compile app
|
||||
RUN cabal update
|
||||
RUN cabal build exe:$APP
|
||||
|
||||
# Copy scripts
|
||||
COPY scripts /project/scripts/
|
||||
|
||||
# Create new path containing all files needed
|
||||
RUN mkdir /final
|
||||
WORKDIR /final
|
||||
|
||||
# Strip the binary from debug symbols to reduce size
|
||||
RUN bin="$(find /project/dist-newstyle -name "$APP" -type f -executable)" && \
|
||||
mv "$bin" ./ && \
|
||||
strip ./"$APP" &&\
|
||||
mv /project/scripts/docker/entrypoint-"$APP" ./entrypoint &&\
|
||||
mv /project/scripts/main/simplex-servers-stopscript ./simplex-servers-stopscript
|
||||
|
||||
### Final stage
|
||||
FROM ubuntu:${TAG}
|
||||
|
||||
# Install OpenSSL dependency
|
||||
RUN apt-get update && apt-get install -y openssl libnuma-dev
|
||||
|
||||
# Copy compiled app from build stage
|
||||
COPY --from=build /final /usr/local/bin/
|
||||
|
||||
# Open app listening port
|
||||
ARG APP_PORT
|
||||
RUN if [ -z "$APP_PORT" ]; then printf "Please spcify \$APP_PORT build-arg.\n"; exit 1; fi
|
||||
|
||||
EXPOSE $APP_PORT
|
||||
|
||||
# simplexmq requires using SIGINT to correctly preserve undelivered messages and restore them on restart
|
||||
STOPSIGNAL SIGINT
|
||||
|
||||
# Finally, execute helper script
|
||||
ENTRYPOINT [ "/usr/local/bin/entrypoint" ]
|
||||
@@ -1,31 +0,0 @@
|
||||
# syntax=docker/dockerfile:1.7.0-labs
|
||||
ARG TAG=24.04
|
||||
FROM ubuntu:${TAG} AS build
|
||||
|
||||
### Build stage
|
||||
|
||||
ARG GHC=9.6.3
|
||||
ARG CABAL=3.14.1.1
|
||||
|
||||
# Install curl, git and and simplexmq dependencies
|
||||
RUN apt-get update && apt-get install -y curl libpq-dev git sqlite3 libsqlite3-dev build-essential libgmp3-dev zlib1g-dev llvm llvm-dev libnuma-dev libssl-dev
|
||||
|
||||
# Specify bootstrap Haskell versions
|
||||
ENV BOOTSTRAP_HASKELL_GHC_VERSION=${GHC}
|
||||
ENV BOOTSTRAP_HASKELL_CABAL_VERSION=${CABAL}
|
||||
|
||||
# Do not install Stack
|
||||
ENV BOOTSTRAP_HASKELL_INSTALL_NO_STACK=true
|
||||
ENV BOOTSTRAP_HASKELL_INSTALL_NO_STACK_HOOK=true
|
||||
|
||||
# Install ghcup
|
||||
RUN curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 sh
|
||||
|
||||
# Adjust PATH
|
||||
ENV PATH="/root/.cabal/bin:/root/.ghcup/bin:$PATH"
|
||||
|
||||
# Set both as default
|
||||
RUN ghcup set ghc "${GHC}" && \
|
||||
ghcup set cabal "${CABAL}"
|
||||
|
||||
WORKDIR /project
|
||||
@@ -1,6 +1,6 @@
|
||||
# SimpleXMQ
|
||||
|
||||
[](https://github.com/simplex-chat/simplexmq/actions/workflows/build.yml)
|
||||
[](https://github.com/simplex-chat/simplexmq/actions?query=workflow%3Abuild)
|
||||
[](https://github.com/simplex-chat/simplexmq/releases)
|
||||
|
||||
📢 SimpleXMQ v1 is released - with many security, privacy and efficiency improvements, new functionality - see [release notes](https://github.com/simplex-chat/simplexmq/releases/tag/v1.0.0).
|
||||
@@ -11,7 +11,7 @@ If you have a server deployed please deploy a new server to a new host and retir
|
||||
|
||||
## Message broker for unidirectional (simplex) queues
|
||||
|
||||
SimpleXMQ is a message broker for managing message queues and sending messages over public network. It consists of SMP server, SMP client library and SMP agent that implement [SMP protocol](./protocol/simplex-messaging.md) for client-server communication and [SMP agent protocol](./protocol/agent-protocol.md) to manage duplex connections via simplex queues on multiple SMP servers.
|
||||
SimpleXMQ is a message broker for managing message queues and sending messages over public network. It consists of SMP server, SMP client library and SMP agent that implement [SMP protocol](https://github.com/simplex-chat/simplexmq/blob/master/protocol/simplex-messaging.md) for client-server communication and [SMP agent protocol](https://github.com/simplex-chat/simplexmq/blob/master/protocol/agent-protocol.md) to manage duplex connections via simplex queues on multiple SMP servers.
|
||||
|
||||
SMP protocol is inspired by [Redis serialization protocol](https://redis.io/topics/protocol), but it is much simpler - it currently has only 10 client commands and 8 server responses.
|
||||
|
||||
@@ -27,19 +27,17 @@ SimpleXMQ is implemented in Haskell - it benefits from robust software transacti
|
||||
|
||||
### SMP server
|
||||
|
||||
[SMP server](./apps/smp-server/Main.hs) can be run on any Linux distribution, including low power/low memory devices. OpenSSL library is required for initialization.
|
||||
[SMP server](https://github.com/simplex-chat/simplexmq/blob/master/apps/smp-server/Main.hs) can be run on any Linux distribution without any dependencies, including low power/low memory devices.
|
||||
|
||||
To initialize the server use `smp-server init -n <fqdn>` (or `smp-server init --ip <ip>` for IP based address) command - it will generate keys and certificates for TLS transport. The fingerprint of offline certificate is used as part of the server address to protect client/server connection against man-in-the-middle attacks: `smp://<fingerprint>@<hostname>[:5223]`.
|
||||
To initialize the server use `smp-server init` command - it will generate keys and certificates for TLS transport. The fingerprint of offline certificate is used as part of the server address to protect client/server connection against man-in-the-middle attacks: `smp://<fingerprint>@<hostname>[:5223]`.
|
||||
|
||||
SMP server uses in-memory persistence with an optional append-only log of created queues that allows to re-start the server without losing the connections. This log is compacted on every server restart, permanently removing suspended and removed queues.
|
||||
|
||||
To enable store log, initialize server using `smp-server -l` command, or modify `smp-server.ini` created during initialization (uncomment `enable = on` option in the store log section). Use `smp-server --help` for other usage tips.
|
||||
|
||||
Starting from version 2.3.0, when store log is enabled, the server would also enable saving undelivered messages on exit and restoring them on start. This can be disabled via a separate setting `restore_messages` in `smp-server.ini` file. Saving messages would only work if the server is stopped with SIGINT signal (keyboard interrupt), if it is stopped with SIGTERM signal the messages would not be saved.
|
||||
To enable store log, initialize server using `smp-server -l` command, or modify `smp-server.ini` created during initialization (uncomment `enable: on` option in the store log section). Use `smp-server --help` for other usage tips.
|
||||
|
||||
> **Please note:** On initialization SMP server creates a chain of two certificates: a self-signed CA certificate ("offline") and a server certificate used for TLS handshake ("online"). **You should store CA certificate private key securely and delete it from the server. If server TLS credential is compromised this key can be used to sign a new one, keeping the same server identity and established connections.** CA private key location by default is `/etc/opt/simplex/ca.key`.
|
||||
|
||||
SMP server implements [SMP protocol](./protocol/simplex-messaging.md).
|
||||
SMP server implements [SMP protocol](https://github.com/simplex-chat/simplexmq/blob/master/protocol/simplex-messaging.md).
|
||||
|
||||
#### Running SMP server on MacOS
|
||||
|
||||
@@ -62,21 +60,20 @@ Now `openssl version` should be saying "OpenSSL". You can now run `smp-server in
|
||||
|
||||
### SMP client library
|
||||
|
||||
[SMP client](./src/Simplex/Messaging/Client.hs) is a Haskell library to connect to SMP servers that allows to:
|
||||
|
||||
[SMP client](https://github.com/simplex-chat/simplexmq/blob/master/src/Simplex/Messaging/Client.hs) is a Haskell library to connect to SMP servers that allows to:
|
||||
- execute commands with a functional API.
|
||||
- receive messages and other notifications via STM queue.
|
||||
- automatically send keep-alive commands.
|
||||
|
||||
### SMP agent
|
||||
|
||||
[SMP agent library](./src/Simplex/Messaging/Agent.hs) can be used to run SMP agent as part of another application and to communicate with the agent via STM queues, without serializing and parsing commands and responses.
|
||||
[SMP agent library](https://github.com/simplex-chat/simplexmq/blob/master/src/Simplex/Messaging/Agent.hs) can be used to run SMP agent as part of another application and to communicate with the agent via STM queues, without serializing and parsing commands and responses.
|
||||
|
||||
Haskell type [ACommand](./src/Simplex/Messaging/Agent/Protocol.hs) represents SMP agent protocol to communicate via STM queues.
|
||||
Haskell type [ACommand](https://github.com/simplex-chat/simplexmq/blob/master/src/Simplex/Messaging/Agent/Protocol.hs) represents SMP agent protocol to communicate via STM queues.
|
||||
|
||||
See [simplex-chat](https://github.com/simplex-chat/simplex-chat) terminal UI for the example of integrating SMP agent into another application.
|
||||
|
||||
[SMP agent executable](./apps/smp-agent/Main.hs) can be used to run a standalone SMP agent process that implements plaintext [SMP agent protocol](./protocol/agent-protocol.md) via TCP port 5224, so it can be used via telnet. It can be deployed in private networks to share access to the connections between multiple applications and services.
|
||||
[SMP agent executable](https://github.com/simplex-chat/simplexmq/blob/master/apps/smp-agent/Main.hs) can be used to run a standalone SMP agent process that implements plaintext [SMP agent protocol](https://github.com/simplex-chat/simplexmq/blob/master/protocol/agent-protocol.md) via TCP port 5224, so it can be used via telnet. It can be deployed in private networks to share access to the connections between multiple applications and services.
|
||||
|
||||
## Using SMP server and SMP agent
|
||||
|
||||
@@ -90,175 +87,7 @@ You can either run your own SMP server locally or deploy using [Linode StackScri
|
||||
|
||||
It's the easiest to try SMP agent via a prototype [simplex-chat](https://github.com/simplex-chat/simplex-chat) terminal UI.
|
||||
|
||||
## Deploy SMP/XFTP servers on Linux
|
||||
|
||||
You can run your SMP/XFTP server as a Linux process, optionally using a service manager for booting and restarts.
|
||||
|
||||
Notice that `smp-server` and `xftp-server` requires `openssl` as run-time dependency (it is used to generate server certificates during initialization). Install it with your packet manager:
|
||||
|
||||
```sh
|
||||
# For Ubuntu
|
||||
apt update && apt install openssl
|
||||
```
|
||||
|
||||
### Install binaries
|
||||
|
||||
#### Using Docker
|
||||
|
||||
On Linux, you can deploy smp and xftp server using Docker. This will download image from [Docker Hub](https://hub.docker.com/r/simplexchat).
|
||||
|
||||
1. Create directories for persistent Docker configuration:
|
||||
|
||||
```sh
|
||||
mkdir -p $HOME/simplex/{xftp,smp}/{config,logs} && mkdir -p $HOME/simplex/xftp/files
|
||||
```
|
||||
|
||||
2. Run your Docker container.
|
||||
|
||||
- `smp-server`
|
||||
|
||||
You must change **your_ip_or_domain**. `-e "pass=password"` is optional variable to password-protect your `smp` server:
|
||||
```sh
|
||||
docker run -d \
|
||||
-e "ADDR=your_ip_or_domain" \
|
||||
-e "PASS=password" \
|
||||
-p 5223:5223 \
|
||||
-v $HOME/simplex/smp/config:/etc/opt/simplex:z \
|
||||
-v $HOME/simplex/smp/logs:/var/opt/simplex:z \
|
||||
simplexchat/smp-server:latest
|
||||
```
|
||||
|
||||
- `xftp-server`
|
||||
|
||||
You must change **your_ip_or_domain** and **maximum_storage**.
|
||||
```sh
|
||||
docker run -d \
|
||||
-e "ADDR=your_ip_or_domain" \
|
||||
-e "QUOTA=maximum_storage" \
|
||||
-p 443:443 \
|
||||
-v $HOME/simplex/xftp/config:/etc/opt/simplex-xftp:z \
|
||||
-v $HOME/simplex/xftp/logs:/var/opt/simplex-xftp:z \
|
||||
-v $HOME/simplex/xftp/files:/srv/xftp:z \
|
||||
simplexchat/xftp-server:latest
|
||||
```
|
||||
|
||||
#### Using installation script
|
||||
|
||||
**Please note** that currently, only Ubuntu distribution is supported.
|
||||
|
||||
You can install and setup servers automatically using our script:
|
||||
|
||||
```sh
|
||||
curl --proto '=https' --tlsv1.2 -sSf https://raw.githubusercontent.com/simplex-chat/simplexmq/stable/install.sh -o simplex-server-install.sh &&\
|
||||
if echo '53fcdb4ceab324316e2c4cda7e84dbbb344f32550a65975a7895425e5a1be757 simplex-server-install.sh' | sha256sum -c; then
|
||||
chmod +x ./simplex-server-install.sh
|
||||
./simplex-server-install.sh
|
||||
rm ./simplex-server-install.sh
|
||||
else
|
||||
echo "SHA-256 checksum is incorrect!"
|
||||
rm ./simplex-server-install.sh
|
||||
fi
|
||||
```
|
||||
|
||||
### Build from source
|
||||
|
||||
#### Using Docker
|
||||
|
||||
> **Please note:** to build the app use source code from [stable branch](https://github.com/simplex-chat/simplexmq/tree/stable).
|
||||
|
||||
On Linux, you can build smp server using Docker.
|
||||
|
||||
1. Build your images:
|
||||
|
||||
```sh
|
||||
git clone https://github.com/simplex-chat/simplexmq
|
||||
cd simplexmq
|
||||
git checkout stable
|
||||
DOCKER_BUILDKIT=1 docker build -t local/smp-server --build-arg APP="smp-server" --build-arg APP_PORT="5223" . # For xmp-server
|
||||
DOCKER_BUILDKIT=1 docker build -t local/xftp-server --build-arg APP="xftp-server" --build-arg APP_PORT="443" . # For xftp-server
|
||||
```
|
||||
|
||||
2. Create directories for persistent Docker configuration:
|
||||
|
||||
```sh
|
||||
mkdir -p $HOME/simplex/{xftp,smp}/{config,logs} && mkdir -p $HOME/simplex/xftp/files
|
||||
```
|
||||
|
||||
3. Run your Docker container.
|
||||
|
||||
- `smp-server`
|
||||
|
||||
You must change **your_ip_or_domain**. `-e "pass=password"` is optional variable to password-protect your `smp` server:
|
||||
```sh
|
||||
docker run -d \
|
||||
-e "ADDR=your_ip_or_domain" \
|
||||
-e "PASS=password" \
|
||||
-p 5223:5223 \
|
||||
-v $HOME/simplex/smp/config:/etc/opt/simplex:z \
|
||||
-v $HOME/simplex/smp/logs:/var/opt/simplex:z \
|
||||
simplexchat/smp-server:latest
|
||||
```
|
||||
|
||||
- `xftp-server`
|
||||
|
||||
You must change **your_ip_or_domain** and **maximum_storage**.
|
||||
```sh
|
||||
docker run -d \
|
||||
-e "ADDR=your_ip_or_domain" \
|
||||
-e "QUOTA=maximum_storage" \
|
||||
-p 443:443 \
|
||||
-v $HOME/simplex/xftp/config:/etc/opt/simplex-xftp:z \
|
||||
-v $HOME/simplex/xftp/logs:/var/opt/simplex-xftp:z \
|
||||
-v $HOME/simplex/xftp/files:/srv/xftp:z \
|
||||
simplexchat/xftp-server:latest
|
||||
```
|
||||
|
||||
#### Using your distribution
|
||||
|
||||
1. Install dependencies and build tools (`GHC`, `cabal` and dev libs):
|
||||
|
||||
```sh
|
||||
# On Ubuntu. Depending on your distribution, use your package manager to determine package names.
|
||||
sudo apt-get update && apt-get install -y build-essential curl libffi-dev libffi7 libgmp3-dev libgmp10 libncurses-dev libncurses5 libtinfo5 pkg-config zlib1g-dev libnuma-dev libssl-dev
|
||||
export BOOTSTRAP_HASKELL_GHC_VERSION=9.6.3
|
||||
export BOOTSTRAP_HASKELL_CABAL_VERSION=3.10.3.0
|
||||
curl --proto '=https' --tlsv1.2 -sSf https://get-ghcup.haskell.org | BOOTSTRAP_HASKELL_NONINTERACTIVE=1 sh
|
||||
ghcup set ghc "${BOOTSTRAP_HASKELL_GHC_VERSION}"
|
||||
ghcup set cabal "${BOOTSTRAP_HASKELL_CABAL_VERSION}"
|
||||
source ~/.ghcup/env
|
||||
```
|
||||
|
||||
2. Build the project:
|
||||
|
||||
```sh
|
||||
git clone https://github.com/simplex-chat/simplexmq
|
||||
cd simplexmq
|
||||
git checkout stable
|
||||
cabal update
|
||||
cabal build exe:smp-server exe:xftp-server
|
||||
```
|
||||
|
||||
3. List compiled binaries:
|
||||
|
||||
`smp-server`
|
||||
```sh
|
||||
cabal list-bin exe:smp-server
|
||||
```
|
||||
|
||||
`xftp-server`
|
||||
```sh
|
||||
cabal list-bin exe:xftp-server
|
||||
```
|
||||
|
||||
- Initialize SMP server with `smp-server init [-l] -n <fqdn>` or `smp-server init [-l] --ip <ip>` - depending on how you initialize it, either FQDN or IP will be used for server's address.
|
||||
|
||||
- Run `smp-server start` to start SMP server, or you can configure a service manager to run it as a service.
|
||||
|
||||
- Optionally, `smp-server` can be setup for having an onion address in `tor` network. See: [`scripts/tor`](./scripts/tor/). In this case, the server address can have both public and onion hostname pointing to the same server, to allow two people connect when only one of them is using Tor. The server address would be: `smp://<fingerprint>@<public_hostname>,<onion_hostname>`
|
||||
|
||||
See [this section](#smp-server) for more information. Run `smp-server -h` and `smp-server init -h` for explanation of commands and options.
|
||||
|
||||
[<img alt="Linode" src="./img/linode.svg" align="right" width="200">](https://cloud.linode.com/stackscripts/748014)
|
||||
[<img alt="Linode" src="https://raw.githubusercontent.com/simplex-chat/simplexmq/master/img/linode.svg" align="right" width="200">](https://cloud.linode.com/stackscripts/748014)
|
||||
|
||||
## Deploy SMP server on Linode
|
||||
|
||||
@@ -269,11 +98,11 @@ Deployment on Linode is performed via StackScripts, which serve as recipes for L
|
||||
- Create a Linode account or login with an already existing one.
|
||||
- Open [SMP server StackScript](https://cloud.linode.com/stackscripts/748014) and click "Deploy New Linode".
|
||||
- You can optionally configure the following parameters:
|
||||
- SMP Server store log flag for queue persistence on server restart, recommended.
|
||||
- [Linode API token](https://www.linode.com/docs/guides/getting-started-with-the-linode-api#get-an-access-token) to attach server address etc. as tags to Linode and to add A record to your 2nd level domain (e.g. `example.com` [domain should be created](https://cloud.linode.com/domains/create) in your account prior to deployment). The API token access scopes:
|
||||
- read/write for "linodes"
|
||||
- read/write for "domains"
|
||||
- Domain name to use instead of Linode IP address, e.g. `smp1.example.com`.
|
||||
- SMP Server store log flag for queue persistence on server restart, recommended.
|
||||
- [Linode API token](https://www.linode.com/docs/guides/getting-started-with-the-linode-api#get-an-access-token) to attach server address etc. as tags to Linode and to add A record to your 2nd level domain (e.g. `example.com` [domain should be created](https://cloud.linode.com/domains/create) in your account prior to deployment). The API token access scopes:
|
||||
- read/write for "linodes"
|
||||
- read/write for "domains"
|
||||
- Domain name to use instead of Linode IP address, e.g. `smp1.example.com`.
|
||||
- Choose the region and plan, Shared CPU Nanode with 1Gb is sufficient.
|
||||
- Provide ssh key to be able to connect to your Linode via ssh. If you haven't provided a Linode API token this step is required to login to your Linode and get the server's fingerprint either from the welcome message or from the file `/etc/opt/simplex/fingerprint` after server starts. See [Linode's guide on ssh](https://www.linode.com/docs/guides/use-public-key-authentication-with-ssh/) .
|
||||
- Deploy your Linode. After it starts wait for SMP server to start and for tags to appear (if a Linode API token was provided). It may take up to 5 minutes depending on the connection speed on the Linode. Connecting Linode IP address to provided domain name may take some additional time.
|
||||
@@ -282,7 +111,7 @@ Deployment on Linode is performed via StackScripts, which serve as recipes for L
|
||||
|
||||
Please submit an [issue](https://github.com/simplex-chat/simplexmq/issues) if any problems occur.
|
||||
|
||||
[<img alt="DigitalOcean" src="/img/digitalocean.png" align="right" width="300">](https://marketplace.digitalocean.com/apps/simplex-server)
|
||||
[<img alt="DigitalOcean" src="https://raw.githubusercontent.com/simplex-chat/simplexmq/master/img/digitalocean.png" align="right" width="300">](https://marketplace.digitalocean.com/apps/simplex-server)
|
||||
|
||||
## Deploy SMP server on DigitalOcean
|
||||
|
||||
@@ -310,12 +139,12 @@ smp-server init [-l] -n <fqdn>
|
||||
|
||||
## SMP server design
|
||||
|
||||
|
||||
|
||||
|
||||
## SMP agent design
|
||||
|
||||
|
||||
|
||||
|
||||
## License
|
||||
|
||||
[AGPL v3](./LICENSE)
|
||||
[AGPL v3](https://github.com/simplex-chat/simplexmq/blob/master/LICENSE)
|
||||
|
||||
@@ -1,15 +0,0 @@
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
|
||||
module Web.Embedded where
|
||||
|
||||
import Data.FileEmbed (embedDir, embedFile)
|
||||
import Simplex.Messaging.Server.Web (EmbeddedContent (..))
|
||||
|
||||
embeddedContent :: EmbeddedContent
|
||||
embeddedContent =
|
||||
EmbeddedContent
|
||||
{ indexHtml = $(embedFile "apps/common/Web/static/index.html"),
|
||||
linkHtml = $(embedFile "apps/common/Web/static/link.html"),
|
||||
mediaContent = $(embedDir "apps/common/Web/static/media/"),
|
||||
wellKnown = $(embedDir "apps/common/Web/static/.well-known/")
|
||||
}
|
||||
@@ -1,49 +0,0 @@
|
||||
{
|
||||
"applinks": {
|
||||
"details": [
|
||||
{
|
||||
"appIDs": [
|
||||
"5NN7GUYB6T.chat.simplex.app"
|
||||
],
|
||||
"components": [
|
||||
{
|
||||
"/": "/contact/*"
|
||||
},
|
||||
{
|
||||
"/": "/contact"
|
||||
},
|
||||
{
|
||||
"/": "/invitation/*"
|
||||
},
|
||||
{
|
||||
"/": "/invitation"
|
||||
},
|
||||
{
|
||||
"/": "/a/*"
|
||||
},
|
||||
{
|
||||
"/": "/a"
|
||||
},
|
||||
{
|
||||
"/": "/c/*"
|
||||
},
|
||||
{
|
||||
"/": "/c"
|
||||
},
|
||||
{
|
||||
"/": "/g/*"
|
||||
},
|
||||
{
|
||||
"/": "/g"
|
||||
},
|
||||
{
|
||||
"/": "/i/*"
|
||||
},
|
||||
{
|
||||
"/": "/i"
|
||||
}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
}
|
||||
@@ -1,16 +0,0 @@
|
||||
[
|
||||
{
|
||||
"relation": [
|
||||
"delegate_permission/common.handle_all_urls"
|
||||
],
|
||||
"target": {
|
||||
"namespace": "android_app",
|
||||
"package_name": "chat.simplex.app",
|
||||
"sha256_cert_fingerprints": [
|
||||
"5E:3E:DC:C2:00:FB:A8:D5:F4:88:F3:CA:4C:32:5B:05:78:C5:6A:9C:03:A1:CC:B5:92:9C:D7:5C:7E:57:E2:4D",
|
||||
"3C:52:C4:FD:3C:AD:1C:07:C9:B0:0A:70:80:E3:58:FA:B9:FE:FC:B8:AF:5A:EC:14:77:65:F1:6D:0F:21:AD:85",
|
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"AE:C1:95:DC:FD:46:14:BD:3A:91:EC:26:D1:D5:14:C8:75:71:C5:CC:8D:CF:48:08:3F:92:83:14:3C:A2:B9:A6"
|
||||
]
|
||||
}
|
||||
}
|
||||
]
|
||||
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|
Before Width: | Height: | Size: 18 KiB |
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||||
</linearGradient>
|
||||
<clipPath id="clip0_14_10">
|
||||
<rect width="34" height="34" fill="white"/>
|
||||
</clipPath>
|
||||
</defs>
|
||||
</svg>
|
||||
|
Before Width: | Height: | Size: 1.2 KiB |
@@ -1,3 +0,0 @@
|
||||
<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
|
||||
<path d="M2.92814 12.6789C6.17655 15.9347 11.7044 15.6463 14.5425 12.0117C14.6636 11.8566 14.6825 11.6448 14.5907 11.4708C14.4989 11.2967 14.3136 11.1926 14.1172 11.2049C11.5269 11.3673 8.97627 10.4315 7.0743 8.52765C5.17264 6.62414 4.23958 4.06868 4.40169 1.47281C4.41397 1.2762 4.30965 1.09069 4.13526 0.999048C3.96088 0.907402 3.74893 0.926696 3.59396 1.04833C3.36099 1.23117 3.13828 1.42685 2.92823 1.63726C-0.111372 4.68223 -0.111585 9.63533 2.92814 12.6789Z" stroke="black" stroke-miterlimit="10" stroke-linejoin="round"/>
|
||||
</svg>
|
||||
|
Before Width: | Height: | Size: 632 B |
File diff suppressed because one or more lines are too long
@@ -1,39 +0,0 @@
|
||||
const isMobile = {
|
||||
Android: () => navigator.userAgent.match(/Android/i),
|
||||
iOS: () => navigator.userAgent.match(/iPhone|iPad|iPod/i)
|
||||
};
|
||||
|
||||
window.addEventListener('click', clickHandler)
|
||||
|
||||
if (isMobile.iOS) {
|
||||
for (const btn of document.getElementsByClassName("close-overlay-btn")) {
|
||||
btn.addEventListener("touchend", (e) => setTimeout(() => closeOverlay(e), 100))
|
||||
}
|
||||
}
|
||||
|
||||
function clickHandler(e) {
|
||||
if (e.target.closest('.contact-tab-btn')) {
|
||||
e.target.closest('.contact-tab').classList.toggle('active')
|
||||
}
|
||||
}
|
||||
|
||||
window.addEventListener('load', () => {
|
||||
const googlePlayBtn = document.querySelector('.google-play-btn');
|
||||
const appleStoreBtn = document.querySelector('.apple-store-btn');
|
||||
const fDroidBtn = document.querySelector('.f-droid-btn');
|
||||
if (!googlePlayBtn || !appleStoreBtn || !fDroidBtn) return;
|
||||
|
||||
|
||||
if (isMobile.Android()) {
|
||||
googlePlayBtn.classList.remove('hidden');
|
||||
fDroidBtn.classList.remove('hidden');
|
||||
}
|
||||
else if (isMobile.iOS()) {
|
||||
appleStoreBtn.classList.remove('hidden');
|
||||
}
|
||||
else {
|
||||
appleStoreBtn.classList.remove('hidden');
|
||||
googlePlayBtn.classList.remove('hidden');
|
||||
fDroidBtn.classList.remove('hidden');
|
||||
}
|
||||
})
|
||||
@@ -1,414 +0,0 @@
|
||||
@font-face {
|
||||
font-family: Gilroy;
|
||||
src: url("GilroyRegular.woff2") format("woff2");
|
||||
font-weight: 400;
|
||||
font-style: normal;
|
||||
}
|
||||
|
||||
@font-face {
|
||||
font-family: Gilroy;
|
||||
src: url("GilroyLight.woff2") format("woff2");
|
||||
font-weight: 300;
|
||||
font-style: normal;
|
||||
}
|
||||
|
||||
@font-face {
|
||||
font-family: Gilroy;
|
||||
src: url("GilroyMedium.woff2") format("woff2");
|
||||
font-weight: 500;
|
||||
font-style: normal;
|
||||
}
|
||||
|
||||
@font-face {
|
||||
font-family: Gilroy;
|
||||
src: url("GilroyBold.woff2") format("woff2");
|
||||
font-weight: 700;
|
||||
font-style: normal;
|
||||
}
|
||||
|
||||
@font-face {
|
||||
font-family: Gilroy;
|
||||
src: url("GilroyRegularItalic.woff2") format("woff2");
|
||||
font-weight: 400;
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
html {
|
||||
scroll-behavior: smooth;
|
||||
font-family: Gilroy, Helvetica, sans-serif;
|
||||
;
|
||||
letter-spacing: 0.003em;
|
||||
}
|
||||
|
||||
img {
|
||||
user-select: none;
|
||||
-webkit-user-select: none;
|
||||
/* For Safari and older Chrome versions */
|
||||
-moz-user-select: none;
|
||||
/* For Firefox */
|
||||
-ms-user-select: none;
|
||||
/* For Internet Explorer and Edge */
|
||||
}
|
||||
|
||||
a{
|
||||
word-wrap: break-word;
|
||||
}
|
||||
|
||||
/* NEW SITE */
|
||||
.container,
|
||||
.container-fluid,
|
||||
.container-xxl,
|
||||
.container-xl,
|
||||
.container-lg,
|
||||
.container-md,
|
||||
.container-sm {
|
||||
width: 100%;
|
||||
/* padding: 0 20px; */
|
||||
margin-right: auto;
|
||||
margin-left: auto;
|
||||
}
|
||||
|
||||
@media (min-width: 576px) {
|
||||
|
||||
.container-sm,
|
||||
.container {
|
||||
max-width: 540px;
|
||||
}
|
||||
}
|
||||
|
||||
@media (min-width: 768px) {
|
||||
|
||||
.container-md,
|
||||
.container-sm,
|
||||
.container {
|
||||
max-width: 720px;
|
||||
}
|
||||
}
|
||||
|
||||
@media (min-width: 992px) {
|
||||
|
||||
.container-lg,
|
||||
.container-md,
|
||||
.container-sm,
|
||||
.container {
|
||||
max-width: 960px;
|
||||
}
|
||||
}
|
||||
|
||||
@media (min-width: 1200px) {
|
||||
|
||||
.container-xl,
|
||||
.container-lg,
|
||||
.container-md,
|
||||
.container-sm,
|
||||
.container {
|
||||
max-width: 1140px;
|
||||
}
|
||||
}
|
||||
|
||||
@media (min-width: 1400px) {
|
||||
|
||||
.container-xxl,
|
||||
.container-xl,
|
||||
.container-lg,
|
||||
.container-md,
|
||||
.container-sm,
|
||||
.container {
|
||||
max-width: 1320px;
|
||||
}
|
||||
}
|
||||
|
||||
.gradient-text {
|
||||
background: -webkit-linear-gradient(to bottom, #53C1FF -50%, #0053D0 160%);
|
||||
background: linear-gradient(to bottom, #53C1FF -50%, #0053D0 160%);
|
||||
-webkit-background-clip: text;
|
||||
-webkit-text-fill-color: transparent;
|
||||
background-clip: text;
|
||||
text-fill-color: transparent;
|
||||
}
|
||||
|
||||
.dark .border-gradient {
|
||||
background:
|
||||
linear-gradient(#11182F, #11182F) padding-box,
|
||||
linear-gradient(to bottom, transparent, #01F1FF 58%) border-box;
|
||||
border: 1px solid transparent;
|
||||
}
|
||||
|
||||
.dark .only-light {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.only-dark {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.dark .only-dark {
|
||||
display: inherit;
|
||||
}
|
||||
|
||||
.menu-link {
|
||||
font-size: 16px;
|
||||
line-height: 33.42px;
|
||||
color: #0D0E12;
|
||||
}
|
||||
|
||||
.dark .menu-link {
|
||||
color: #fff;
|
||||
}
|
||||
|
||||
.nav-link ul li a.active {
|
||||
color: #0053D0;
|
||||
|
||||
}
|
||||
|
||||
.dark .nav-link ul li a.active {
|
||||
color: #66D9E2;
|
||||
}
|
||||
|
||||
@media (min-width:1024px) {
|
||||
|
||||
.nav-link-text,
|
||||
.menu-link {
|
||||
display: inline-block;
|
||||
position: relative;
|
||||
color: #0D0E12;
|
||||
}
|
||||
|
||||
.nav-link-text::before,
|
||||
.active .nav-link-text::before,
|
||||
.menu-link::before {
|
||||
content: "";
|
||||
position: absolute;
|
||||
width: 0;
|
||||
height: 1px;
|
||||
bottom: 0;
|
||||
right: 0;
|
||||
/* background-color: initial; */
|
||||
transition: width 0.25s ease-out;
|
||||
}
|
||||
|
||||
.menu-link::before {
|
||||
background-color: #0D0E12;
|
||||
}
|
||||
|
||||
.dark .menu-link::before {
|
||||
background-color: #fff;
|
||||
}
|
||||
|
||||
.active .nav-link-text::before {
|
||||
width: 100%;
|
||||
}
|
||||
|
||||
.nav-link:hover .nav-link-text::before,
|
||||
.menu-link:hover::before {
|
||||
width: 100%;
|
||||
left: 0;
|
||||
right: auto;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
.sub-menu {
|
||||
visibility: hidden;
|
||||
opacity: 0;
|
||||
color: #505158;
|
||||
}
|
||||
|
||||
.sub-menu .no-hover {
|
||||
color: #505158 !important;
|
||||
}
|
||||
|
||||
.dark .sub-menu,
|
||||
.dark .sub-menu .no-hover {
|
||||
color: #fff !important;
|
||||
}
|
||||
|
||||
.dark .sub-menu li:hover {
|
||||
color: #66D9E2;
|
||||
}
|
||||
|
||||
.sub-menu li:hover {
|
||||
color: #0053D0;
|
||||
}
|
||||
|
||||
.sub-menu {
|
||||
transition: all .3s ease !important;
|
||||
}
|
||||
|
||||
.nav-link span svg,
|
||||
header nav {
|
||||
transition: all 0.5s ease;
|
||||
}
|
||||
|
||||
.nav-link:hover span svg {
|
||||
transform: rotate(180deg);
|
||||
}
|
||||
|
||||
@media (min-width:1024px) {
|
||||
|
||||
.nav-link:hover .sub-menu,
|
||||
.nav-link:focus-within .sub-menu {
|
||||
visibility: visible;
|
||||
opacity: 1;
|
||||
margin-top: 0;
|
||||
}
|
||||
}
|
||||
|
||||
@media (max-width: 1024px) {
|
||||
.sub-menu {
|
||||
max-height: 0;
|
||||
transform: translateY(-10px);
|
||||
transition: all .7s ease !important;
|
||||
}
|
||||
|
||||
.active .sub-menu {
|
||||
max-height: 600px;
|
||||
transform: translateY(0px);
|
||||
opacity: 1;
|
||||
visibility: visible;
|
||||
margin-top: 0;
|
||||
}
|
||||
|
||||
header nav {
|
||||
visibility: hidden;
|
||||
opacity: 0;
|
||||
transform: translateX(100%);
|
||||
}
|
||||
|
||||
header nav.open {
|
||||
visibility: visible;
|
||||
opacity: 1;
|
||||
transform: translateX(0);
|
||||
}
|
||||
}
|
||||
|
||||
.lock-scroll {
|
||||
overflow: hidden;
|
||||
}
|
||||
|
||||
/* hero */
|
||||
header {
|
||||
transition: all .7s ease;
|
||||
}
|
||||
|
||||
.primary-header {
|
||||
background: linear-gradient(270deg, #0053D0 35.85%, #0197FF 94.78%);
|
||||
-webkit-background-clip: text;
|
||||
-webkit-text-fill-color: transparent;
|
||||
background-clip: text;
|
||||
text-shadow: 0px 4px 74px #e9e7e2;
|
||||
}
|
||||
|
||||
.dark .primary-header {
|
||||
background: linear-gradient(270deg, #70F0F9 100%, #70F0F9 100%);
|
||||
-webkit-background-clip: text;
|
||||
-webkit-text-fill-color: transparent;
|
||||
background-clip: text;
|
||||
text-shadow: none;
|
||||
}
|
||||
|
||||
.secondary-header {
|
||||
color: #606c71;
|
||||
text-shadow: 0px 4px 74px #e9e7e2;
|
||||
}
|
||||
|
||||
.dark .secondary-header {
|
||||
color: #fff;
|
||||
text-shadow: none;
|
||||
}
|
||||
|
||||
.description {
|
||||
width: 31rem;
|
||||
}
|
||||
|
||||
p a {
|
||||
color: #0053D0;
|
||||
text-decoration: underline;
|
||||
text-underline-offset: 2px;
|
||||
}
|
||||
|
||||
.dark p a {
|
||||
color: #70F0F9;
|
||||
}
|
||||
|
||||
/* For Contact & Invitation Page */
|
||||
.primary-header-contact {
|
||||
background: linear-gradient(251.16deg, #53c1ff 1.1%, #0053d0 100.82%);
|
||||
-webkit-background-clip: text;
|
||||
-webkit-text-fill-color: transparent;
|
||||
background-clip: text;
|
||||
text-shadow: 0px 4px 74px #e9e7e2;
|
||||
}
|
||||
|
||||
.dark .primary-header-contact {
|
||||
background: linear-gradient(270deg, #70F0F9 100%, #70F0F9 100%);
|
||||
-webkit-background-clip: text;
|
||||
-webkit-text-fill-color: transparent;
|
||||
background-clip: text;
|
||||
text-shadow: none;
|
||||
}
|
||||
|
||||
.secondary-header-contact {
|
||||
text-shadow: 0px 4px 74px #e9e7e2;
|
||||
}
|
||||
|
||||
.dark .secondary-header-contact {
|
||||
text-shadow: none;
|
||||
}
|
||||
|
||||
.content_copy_with_tooltip {
|
||||
background-color: #f8f8f6;
|
||||
border-radius: 50px;
|
||||
padding-bottom: 4px;
|
||||
padding-top: 8px;
|
||||
margin-top: 16px;
|
||||
margin-bottom: 16px;
|
||||
}
|
||||
|
||||
.content_copy_with_tooltip .tooltip {
|
||||
vertical-align: -6px;
|
||||
}
|
||||
|
||||
.content_copy_with_tooltip .content {
|
||||
font-size: 15px;
|
||||
}
|
||||
|
||||
.contact-tab>.contact-tab-content,
|
||||
.job-tab>.job-tab-content {
|
||||
opacity: 0;
|
||||
max-height: 0;
|
||||
transition: all 0.5s ease;
|
||||
visibility: hidden;
|
||||
transform: translateY(10px);
|
||||
overflow: hidden;
|
||||
}
|
||||
|
||||
.contact-tab svg,
|
||||
.job-tab svg {
|
||||
transform: rotate(-180deg);
|
||||
transition: all .5s ease;
|
||||
}
|
||||
|
||||
.contact-tab.active>.contact-tab-content,
|
||||
.job-tab.active>.job-tab-content {
|
||||
opacity: 1;
|
||||
max-height: 300px;
|
||||
visibility: visible;
|
||||
transform: translateY(0px);
|
||||
}
|
||||
|
||||
.for-tablet .contact-tab.active>.contact-tab-content,
|
||||
.for-tablet .job-tab.active>.job-tab-content {
|
||||
min-height: 450px;
|
||||
}
|
||||
|
||||
.contact-tab.active svg,
|
||||
.contact-tab:hover svg,
|
||||
.job-tab.active svg,
|
||||
.job-tab:hover svg {
|
||||
transform: rotate(0deg);
|
||||
}
|
||||
|
||||
.d-none-if-js-disabled {
|
||||
display: none !important;
|
||||
}
|
||||
@@ -1,11 +0,0 @@
|
||||
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
|
||||
<path d="M23.9958 12.2815C23.9363 12.3954 23.8849 12.5146 23.8158 12.6224C23.5945 12.9674 23.2766 13.1624 22.8654 13.1685C22.2182 13.1782 21.5707 13.1764 20.9234 13.17C20.2781 13.1636 19.7772 12.6464 19.7773 11.9999C19.7774 11.3535 20.2754 10.8389 20.9237 10.8303C21.532 10.8221 22.1405 10.8258 22.7488 10.8278C23.3522 10.8298 23.7281 11.0908 23.9462 11.6508C23.956 11.6761 23.9789 11.6964 23.9958 11.719C23.9958 11.9064 23.9958 12.094 23.9958 12.2815Z" fill="white"/>
|
||||
<path d="M11.7154 24.0003C11.6217 23.9526 11.5256 23.9088 11.4345 23.8564C11.0545 23.6377 10.836 23.3104 10.8286 22.87C10.8175 22.2149 10.8179 21.5593 10.828 20.9042C10.8378 20.2738 11.3597 19.7812 11.9967 19.7812C12.6336 19.7812 13.155 20.2739 13.1654 20.9042C13.1757 21.5359 13.1717 22.168 13.1682 22.7998C13.1652 23.3392 12.8885 23.7369 12.3906 23.937C12.3509 23.9529 12.3153 23.979 12.2779 24.0003C12.0904 24.0003 11.9029 24.0003 11.7154 24.0003Z" fill="white"/>
|
||||
<path d="M17.2592 11.9958C17.2733 14.8825 14.9232 17.2468 12.0032 17.2612C9.11732 17.2754 6.75397 14.9264 6.73836 12.0041C6.72295 9.12027 9.07502 6.75326 11.9946 6.73835C14.8788 6.72363 17.2449 9.07587 17.2592 11.9958Z" stroke="white" stroke-width="1.5"/>
|
||||
<path d="M13.1693 2.11324C13.1692 2.43329 13.1744 2.75345 13.1682 3.07341C13.1555 3.7216 12.6425 4.21934 11.995 4.21864C11.3493 4.21789 10.8358 3.71808 10.828 3.06768C10.8204 2.42766 10.8201 1.78736 10.8283 1.14738C10.8365 0.500704 11.3562 -0.000843934 12.0007 1.06615e-06C12.6437 0.000846066 13.1564 0.504314 13.1684 1.15307C13.1743 1.47303 13.1694 1.79318 13.1693 2.11324Z" fill="white"/>
|
||||
<path d="M2.10878 13.1714C1.78877 13.1714 1.46872 13.1754 1.14885 13.1705C0.504832 13.1605 -0.000422735 12.6426 2.65407e-07 11.9987C0.000423265 11.3553 0.503376 10.838 1.15138 10.8301C1.79126 10.8223 2.43138 10.8222 3.07126 10.8303C3.72034 10.8385 4.21822 11.3541 4.21794 12.0012C4.21766 12.6477 3.71555 13.1609 3.06872 13.1706C2.7488 13.1753 2.42875 13.1714 2.10878 13.1714Z" fill="white"/>
|
||||
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</svg>
|
||||
|
Before Width: | Height: | Size: 3.5 KiB |
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
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Load Diff
Binary file not shown.
|
Before Width: | Height: | Size: 18 KiB |
@@ -1,20 +0,0 @@
|
||||
module Main where
|
||||
|
||||
import Control.Logger.Simple
|
||||
import Simplex.Messaging.Server.CLI (getEnvPath)
|
||||
import Simplex.Messaging.Notifications.Server.Main
|
||||
|
||||
defaultCfgPath :: FilePath
|
||||
defaultCfgPath = "/etc/opt/simplex-notifications"
|
||||
|
||||
defaultLogPath :: FilePath
|
||||
defaultLogPath = "/var/opt/simplex-notifications"
|
||||
|
||||
logCfg :: LogConfig
|
||||
logCfg = LogConfig {lc_file = Nothing, lc_stderr = True}
|
||||
|
||||
main :: IO ()
|
||||
main = do
|
||||
cfgPath <- getEnvPath "NTF_SERVER_CFG_PATH" defaultCfgPath
|
||||
logPath <- getEnvPath "NTF_SERVER_LOG_PATH" defaultLogPath
|
||||
withGlobalLogging logCfg $ ntfServerCLI cfgPath logPath
|
||||
+4
-27
@@ -1,46 +1,23 @@
|
||||
{-# LANGUAGE DuplicateRecordFields #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE TypeApplications #-}
|
||||
|
||||
module Main where
|
||||
|
||||
import Control.Logger.Simple
|
||||
import Data.ByteArray (ScrubbedBytes)
|
||||
import qualified Data.List.NonEmpty as L
|
||||
import qualified Data.Map.Strict as M
|
||||
import Simplex.Messaging.Agent.Env.SQLite
|
||||
import Simplex.Messaging.Agent.Env.Postgres
|
||||
import Simplex.Messaging.Agent.Server (runSMPAgent)
|
||||
import Simplex.Messaging.Agent.Store.SQLite (MigrationConfirmation (..))
|
||||
import Simplex.Messaging.Client (defaultNetworkConfig)
|
||||
import Simplex.Messaging.Transport (TLS, Transport (..))
|
||||
|
||||
cfg :: AgentConfig
|
||||
cfg = defaultAgentConfig
|
||||
|
||||
agentDbFile :: String
|
||||
agentDbFile = "smp-agent.db"
|
||||
|
||||
agentDbKey :: ScrubbedBytes
|
||||
agentDbKey = ""
|
||||
|
||||
servers :: InitialAgentServers
|
||||
servers =
|
||||
InitialAgentServers
|
||||
{ smp = M.fromList [(1, L.fromList ["smp://bU0K-bRg24xWW__lS0umO1Zdw_SXqpJNtm1_RrPLViE=@localhost:5223"])],
|
||||
ntf = [],
|
||||
xftp = M.empty,
|
||||
netCfg = defaultNetworkConfig
|
||||
}
|
||||
cfg = defaultAgentConfig {smpServers = L.fromList ["smp://bU0K-bRg24xWW__lS0umO1Zdw_SXqpJNtm1_RrPLViE=@localhost:5223"]}
|
||||
|
||||
logCfg :: LogConfig
|
||||
logCfg = LogConfig {lc_file = Nothing, lc_stderr = True}
|
||||
|
||||
-- Warning: this SMP agent server is experimental - it does not work correctly with multiple connected TCP clients in some cases.
|
||||
main :: IO ()
|
||||
main = do
|
||||
let AgentConfig {tcpPort} = cfg
|
||||
putStrLn $ maybe (error "no agent port") (\port -> "SMP agent listening on port " ++ port) tcpPort
|
||||
putStrLn $ "SMP agent listening on port " ++ tcpPort (cfg :: AgentConfig)
|
||||
setLogLevel LogInfo -- LogError
|
||||
Right st <- createAgentStore agentDbFile agentDbKey False MCConsole
|
||||
withGlobalLogging logCfg $ runSMPAgent (transport @TLS) cfg servers st
|
||||
withGlobalLogging logCfg $ runSMPAgent (transport @TLS) cfg
|
||||
|
||||
+311
-14
@@ -1,22 +1,319 @@
|
||||
{-# LANGUAGE DataKinds #-}
|
||||
{-# LANGUAGE DuplicateRecordFields #-}
|
||||
{-# LANGUAGE GADTs #-}
|
||||
{-# LANGUAGE LambdaCase #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE TypeApplications #-}
|
||||
|
||||
module Main where
|
||||
|
||||
import Control.Logger.Simple
|
||||
import Simplex.Messaging.Server.CLI (getEnvPath)
|
||||
import Simplex.Messaging.Server.Main (smpServerCLI_)
|
||||
import Simplex.Messaging.Server.Web (serveStaticFiles, attachStaticFiles)
|
||||
import SMPWeb (smpGenerateSite)
|
||||
import Control.Monad.Except
|
||||
import Data.ByteString.Char8 (ByteString)
|
||||
import qualified Data.ByteString.Char8 as B
|
||||
import Data.Either (fromRight)
|
||||
import Data.Ini (Ini, lookupValue, readIniFile)
|
||||
import Data.Maybe (fromMaybe)
|
||||
import qualified Data.Text as T
|
||||
import Data.X509.Validation (Fingerprint (..))
|
||||
import Network.Socket (HostName, ServiceName)
|
||||
import Options.Applicative
|
||||
import Simplex.Messaging.Encoding.String
|
||||
import Simplex.Messaging.Server (runSMPServer)
|
||||
import Simplex.Messaging.Server.Env.STM
|
||||
import Simplex.Messaging.Server.StoreLog (StoreLog, openReadStoreLog, storeLogFilePath)
|
||||
import Simplex.Messaging.Transport (ATransport (..), TLS, Transport (..), simplexMQVersion)
|
||||
import Simplex.Messaging.Transport.Server (loadFingerprint)
|
||||
import Simplex.Messaging.Transport.WebSockets (WS)
|
||||
import System.Directory (createDirectoryIfMissing, doesDirectoryExist, doesFileExist, removeDirectoryRecursive)
|
||||
import System.Exit (exitFailure)
|
||||
import System.FilePath (combine)
|
||||
import System.IO (BufferMode (..), IOMode (..), hGetLine, hSetBuffering, stderr, stdout, withFile)
|
||||
import System.Process (readCreateProcess, shell)
|
||||
import Text.Read (readMaybe)
|
||||
|
||||
defaultCfgPath :: FilePath
|
||||
defaultCfgPath = "/etc/opt/simplex"
|
||||
cfgDir :: FilePath
|
||||
cfgDir = "/etc/opt/simplex"
|
||||
|
||||
defaultLogPath :: FilePath
|
||||
defaultLogPath = "/var/opt/simplex"
|
||||
logDir :: FilePath
|
||||
logDir = "/var/opt/simplex"
|
||||
|
||||
logCfg :: LogConfig
|
||||
logCfg = LogConfig {lc_file = Nothing, lc_stderr = True}
|
||||
iniFile :: FilePath
|
||||
iniFile = combine cfgDir "smp-server.ini"
|
||||
|
||||
storeLogFile :: FilePath
|
||||
storeLogFile = combine logDir "smp-server-store.log"
|
||||
|
||||
caKeyFile :: FilePath
|
||||
caKeyFile = combine cfgDir "ca.key"
|
||||
|
||||
caCrtFile :: FilePath
|
||||
caCrtFile = combine cfgDir "ca.crt"
|
||||
|
||||
serverKeyFile :: FilePath
|
||||
serverKeyFile = combine cfgDir "server.key"
|
||||
|
||||
serverCrtFile :: FilePath
|
||||
serverCrtFile = combine cfgDir "server.crt"
|
||||
|
||||
fingerprintFile :: FilePath
|
||||
fingerprintFile = combine cfgDir "fingerprint"
|
||||
|
||||
main :: IO ()
|
||||
main = do
|
||||
cfgPath <- getEnvPath "SMP_SERVER_CFG_PATH" defaultCfgPath
|
||||
logPath <- getEnvPath "SMP_SERVER_LOG_PATH" defaultLogPath
|
||||
withGlobalLogging logCfg $ smpServerCLI_ smpGenerateSite serveStaticFiles attachStaticFiles cfgPath logPath
|
||||
getCliCommand >>= \case
|
||||
Init opts ->
|
||||
doesFileExist iniFile >>= \case
|
||||
True -> exitError $ "Error: server is already initialized (" <> iniFile <> " exists).\nRun `smp-server start`."
|
||||
_ -> initializeServer opts
|
||||
Start ->
|
||||
doesFileExist iniFile >>= \case
|
||||
True -> readIniFile iniFile >>= either exitError (runServer . mkIniOptions)
|
||||
_ -> exitError $ "Error: server is not initialized (" <> iniFile <> " does not exist).\nRun `smp-server init`."
|
||||
Delete -> cleanup >> putStrLn "Deleted configuration and log files"
|
||||
|
||||
exitError :: String -> IO ()
|
||||
exitError msg = putStrLn msg >> exitFailure
|
||||
|
||||
data CliCommand
|
||||
= Init InitOptions
|
||||
| Start
|
||||
| Delete
|
||||
|
||||
data InitOptions = InitOptions
|
||||
{ enableStoreLog :: Bool,
|
||||
signAlgorithm :: SignAlgorithm,
|
||||
ip :: HostName,
|
||||
fqdn :: Maybe HostName
|
||||
}
|
||||
deriving (Show)
|
||||
|
||||
data SignAlgorithm = ED448 | ED25519
|
||||
deriving (Read, Show)
|
||||
|
||||
getCliCommand :: IO CliCommand
|
||||
getCliCommand =
|
||||
customExecParser
|
||||
(prefs showHelpOnEmpty)
|
||||
( info
|
||||
(helper <*> versionOption <*> cliCommandP)
|
||||
(header version <> fullDesc)
|
||||
)
|
||||
where
|
||||
versionOption = infoOption version (long "version" <> short 'v' <> help "Show version")
|
||||
|
||||
cliCommandP :: Parser CliCommand
|
||||
cliCommandP =
|
||||
hsubparser
|
||||
( command "init" (info initP (progDesc $ "Initialize server - creates " <> cfgDir <> " and " <> logDir <> " directories and configuration files"))
|
||||
<> command "start" (info (pure Start) (progDesc $ "Start server (configuration: " <> iniFile <> ")"))
|
||||
<> command "delete" (info (pure Delete) (progDesc "Delete configuration and log files"))
|
||||
)
|
||||
where
|
||||
initP :: Parser CliCommand
|
||||
initP =
|
||||
Init
|
||||
<$> ( InitOptions
|
||||
<$> switch
|
||||
( long "store-log"
|
||||
<> short 'l'
|
||||
<> help "Enable store log for SMP queues persistence"
|
||||
)
|
||||
<*> option
|
||||
(maybeReader readMaybe)
|
||||
( long "sign-algorithm"
|
||||
<> short 'a'
|
||||
<> help "Signature algorithm used for TLS certificates: ED25519, ED448"
|
||||
<> value ED448
|
||||
<> showDefault
|
||||
<> metavar "ALG"
|
||||
)
|
||||
<*> strOption
|
||||
( long "ip"
|
||||
<> help
|
||||
"Server IP address used as Subject Alternative Name for TLS online certificate, \
|
||||
\also used as Common Name if FQDN is not supplied"
|
||||
<> value "127.0.0.1"
|
||||
<> showDefault
|
||||
<> metavar "IP"
|
||||
)
|
||||
<*> (optional . strOption)
|
||||
( long "fqdn"
|
||||
<> short 'n'
|
||||
<> help "Server FQDN used as Common Name and Subject Alternative Name for TLS online certificate"
|
||||
<> showDefault
|
||||
<> metavar "FQDN"
|
||||
)
|
||||
)
|
||||
|
||||
initializeServer :: InitOptions -> IO ()
|
||||
initializeServer InitOptions {enableStoreLog, signAlgorithm, ip, fqdn} = do
|
||||
cleanup
|
||||
createDirectoryIfMissing True cfgDir
|
||||
createDirectoryIfMissing True logDir
|
||||
createX509
|
||||
fp <- saveFingerprint
|
||||
createIni
|
||||
putStrLn $ "Server initialized, you can modify configuration in " <> iniFile <> ".\nRun `smp-server start` to start server."
|
||||
printServiceInfo fp
|
||||
warnCAPrivateKeyFile
|
||||
where
|
||||
createX509 = do
|
||||
createOpensslCaConf
|
||||
createOpensslServerConf
|
||||
-- CA certificate (identity/offline)
|
||||
run $ "openssl genpkey -algorithm " <> show signAlgorithm <> " -out " <> caKeyFile
|
||||
run $ "openssl req -new -x509 -days 999999 -config " <> opensslCaConfFile <> " -extensions v3 -key " <> caKeyFile <> " -out " <> caCrtFile
|
||||
-- server certificate (online)
|
||||
run $ "openssl genpkey -algorithm " <> show signAlgorithm <> " -out " <> serverKeyFile
|
||||
run $ "openssl req -new -config " <> opensslServerConfFile <> " -reqexts v3 -key " <> serverKeyFile <> " -out " <> serverCsrFile
|
||||
run $ "openssl x509 -req -days 999999 -extfile " <> opensslServerConfFile <> " -extensions v3 -in " <> serverCsrFile <> " -CA " <> caCrtFile <> " -CAkey " <> caKeyFile <> " -CAcreateserial -out " <> serverCrtFile
|
||||
where
|
||||
run cmd = void $ readCreateProcess (shell cmd) ""
|
||||
opensslCaConfFile = combine cfgDir "openssl_ca.conf"
|
||||
opensslServerConfFile = combine cfgDir "openssl_server.conf"
|
||||
serverCsrFile = combine cfgDir "server.csr"
|
||||
createOpensslCaConf =
|
||||
writeFile
|
||||
opensslCaConfFile
|
||||
"[req]\n\
|
||||
\distinguished_name = req_distinguished_name\n\
|
||||
\prompt = no\n\n\
|
||||
\[req_distinguished_name]\n\
|
||||
\CN = SMP server CA\n\
|
||||
\O = SimpleX\n\n\
|
||||
\[v3]\n\
|
||||
\subjectKeyIdentifier = hash\n\
|
||||
\authorityKeyIdentifier = keyid:always\n\
|
||||
\basicConstraints = critical,CA:true\n"
|
||||
-- TODO revise https://www.rfc-editor.org/rfc/rfc5280#section-4.2.1.3, https://www.rfc-editor.org/rfc/rfc3279#section-2.3.5
|
||||
-- IP and FQDN can't both be used as server address interchangeably even if IP is added
|
||||
-- as Subject Alternative Name, unless the following validation hook is disabled:
|
||||
-- https://hackage.haskell.org/package/x509-validation-1.6.10/docs/src/Data-X509-Validation.html#validateCertificateName
|
||||
createOpensslServerConf =
|
||||
writeFile
|
||||
opensslServerConfFile
|
||||
( "[req]\n\
|
||||
\distinguished_name = req_distinguished_name\n\
|
||||
\prompt = no\n\n\
|
||||
\[req_distinguished_name]\n"
|
||||
<> ("CN = " <> cn <> "\n\n")
|
||||
<> "[v3]\n\
|
||||
\basicConstraints = CA:FALSE\n\
|
||||
\keyUsage = digitalSignature, nonRepudiation, keyAgreement\n\
|
||||
\extendedKeyUsage = serverAuth\n"
|
||||
)
|
||||
where
|
||||
cn = fromMaybe ip fqdn
|
||||
|
||||
saveFingerprint = do
|
||||
Fingerprint fp <- loadFingerprint caCrtFile
|
||||
withFile fingerprintFile WriteMode (`B.hPutStrLn` strEncode fp)
|
||||
pure fp
|
||||
|
||||
createIni = do
|
||||
writeFile iniFile $
|
||||
"[STORE_LOG]\n\
|
||||
\# The server uses STM memory to store SMP queues and messages,\n\
|
||||
\# that will be lost on restart (e.g., as with redis).\n\
|
||||
\# This option enables saving SMP queues to append only log,\n\
|
||||
\# and restoring them when the server is started.\n\
|
||||
\# Log is compacted on start (deleted queues are removed).\n\
|
||||
\# The messages in the queues are not logged.\n"
|
||||
<> ("enable: " <> (if enableStoreLog then "on" else "off # on") <> "\n\n")
|
||||
<> "[TRANSPORT]\n\
|
||||
\port: 5223\n\
|
||||
\websockets: off\n"
|
||||
|
||||
warnCAPrivateKeyFile =
|
||||
putStrLn $
|
||||
"----------\n\
|
||||
\You should store CA private key securely and delete it from the server.\n\
|
||||
\If server TLS credential is compromised this key can be used to sign a new one, \
|
||||
\keeping the same server identity and established connections.\n\
|
||||
\CA private key location:\n"
|
||||
<> caKeyFile
|
||||
<> "\n----------"
|
||||
|
||||
data IniOptions = IniOptions
|
||||
{ enableStoreLog :: Bool,
|
||||
port :: ServiceName,
|
||||
enableWebsockets :: Bool
|
||||
}
|
||||
|
||||
-- TODO ? properly parse ini as a whole
|
||||
mkIniOptions :: Ini -> IniOptions
|
||||
mkIniOptions ini =
|
||||
IniOptions
|
||||
{ enableStoreLog = (== "on") $ strict "STORE_LOG" "enable",
|
||||
port = T.unpack $ strict "TRANSPORT" "port",
|
||||
enableWebsockets = (== "on") $ strict "TRANSPORT" "websockets"
|
||||
}
|
||||
where
|
||||
strict :: String -> String -> T.Text
|
||||
strict section key =
|
||||
fromRight (error ("no key " <> key <> " in section " <> section)) $
|
||||
lookupValue (T.pack section) (T.pack key) ini
|
||||
|
||||
runServer :: IniOptions -> IO ()
|
||||
runServer IniOptions {enableStoreLog, port, enableWebsockets} = do
|
||||
hSetBuffering stdout LineBuffering
|
||||
hSetBuffering stderr LineBuffering
|
||||
fp <- checkSavedFingerprint
|
||||
printServiceInfo fp
|
||||
storeLog <- openStoreLog
|
||||
let cfg = mkServerConfig storeLog
|
||||
printServerConfig cfg
|
||||
runSMPServer cfg
|
||||
where
|
||||
checkSavedFingerprint = do
|
||||
savedFingerprint <- loadSavedFingerprint
|
||||
Fingerprint fp <- loadFingerprint caCrtFile
|
||||
when (B.pack savedFingerprint /= strEncode fp) $
|
||||
exitError "Stored fingerprint is invalid."
|
||||
pure fp
|
||||
|
||||
mkServerConfig storeLog =
|
||||
ServerConfig
|
||||
{ transports = (port, transport @TLS) : [("80", transport @WS) | enableWebsockets],
|
||||
tbqSize = 16,
|
||||
serverTbqSize = 128,
|
||||
msgQueueQuota = 256,
|
||||
queueIdBytes = 24,
|
||||
msgIdBytes = 24, -- must be at least 24 bytes, it is used as 192-bit nonce for XSalsa20
|
||||
caCertificateFile = caCrtFile,
|
||||
privateKeyFile = serverKeyFile,
|
||||
certificateFile = serverCrtFile,
|
||||
storeLog
|
||||
}
|
||||
|
||||
openStoreLog :: IO (Maybe (StoreLog 'ReadMode))
|
||||
openStoreLog =
|
||||
if enableStoreLog
|
||||
then Just <$> openReadStoreLog storeLogFile
|
||||
else pure Nothing
|
||||
|
||||
printServerConfig ServerConfig {storeLog, transports} = do
|
||||
putStrLn $ case storeLog of
|
||||
Just s -> "Store log: " <> storeLogFilePath s
|
||||
Nothing -> "Store log disabled."
|
||||
forM_ transports $ \(p, ATransport t) ->
|
||||
putStrLn $ "Listening on port " <> p <> " (" <> transportName t <> ")..."
|
||||
|
||||
cleanup :: IO ()
|
||||
cleanup = do
|
||||
deleteDirIfExists cfgDir
|
||||
deleteDirIfExists logDir
|
||||
where
|
||||
deleteDirIfExists path = doesDirectoryExist path >>= (`when` removeDirectoryRecursive path)
|
||||
|
||||
printServiceInfo :: ByteString -> IO ()
|
||||
printServiceInfo fpStr = do
|
||||
putStrLn version
|
||||
B.putStrLn $ "Fingerprint: " <> strEncode fpStr
|
||||
|
||||
version :: String
|
||||
version = "SMP server v" <> simplexMQVersion
|
||||
|
||||
loadSavedFingerprint :: IO String
|
||||
loadSavedFingerprint = withFile fingerprintFile ReadMode hGetLine
|
||||
|
||||
@@ -1,43 +0,0 @@
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
|
||||
module SMPWeb
|
||||
( smpGenerateSite,
|
||||
serverInformation,
|
||||
) where
|
||||
|
||||
import Data.ByteString (ByteString)
|
||||
import Data.String (fromString)
|
||||
import Web.Embedded (embeddedContent)
|
||||
import Simplex.Messaging.Encoding.String (strEncode)
|
||||
import Simplex.Messaging.Server.Information
|
||||
import Simplex.Messaging.Server.Main (simplexmqSource)
|
||||
import qualified Simplex.Messaging.Server.Web as Web
|
||||
import Simplex.Messaging.Server.Web (render, serverInfoSubsts, timedTTLText)
|
||||
import Simplex.Messaging.Transport.Client (TransportHost (..))
|
||||
|
||||
smpGenerateSite :: ServerInformation -> Maybe TransportHost -> FilePath -> IO ()
|
||||
smpGenerateSite si onionHost path =
|
||||
Web.generateSite embeddedContent (serverInformation si onionHost) smpLinkPages path
|
||||
|
||||
smpLinkPages :: [String]
|
||||
smpLinkPages = ["contact", "invitation", "a", "c", "g", "r", "i"]
|
||||
|
||||
serverInformation :: ServerInformation -> Maybe TransportHost -> ByteString
|
||||
serverInformation ServerInformation {config, information} onionHost = render (Web.indexHtml embeddedContent) substs
|
||||
where
|
||||
substs = [("smpConfig", Just "y"), ("xftpConfig", Nothing)] <> substConfig <> serverInfoSubsts simplexmqSource information <> [("onionHost", strEncode <$> onionHost), ("iniFileName", Just "smp-server.ini")]
|
||||
substConfig =
|
||||
[ ( "persistence",
|
||||
Just $ case persistence config of
|
||||
SPMMemoryOnly -> "In-memory only"
|
||||
SPMQueues -> "Queues"
|
||||
SPMMessages -> "Queues and messages"
|
||||
),
|
||||
("messageExpiration", Just $ maybe "Never" (fromString . timedTTLText) $ messageExpiration config),
|
||||
("statsEnabled", Just . yesNo $ statsEnabled config),
|
||||
("newQueuesAllowed", Just . yesNo $ newQueuesAllowed config),
|
||||
("basicAuthEnabled", Just . yesNo $ basicAuthEnabled config)
|
||||
]
|
||||
yesNo True = "Yes"
|
||||
yesNo False = "No"
|
||||
@@ -1,23 +0,0 @@
|
||||
module Main where
|
||||
|
||||
import Control.Logger.Simple
|
||||
import Simplex.FileTransfer.Server.Main (xftpServerCLI_)
|
||||
import Simplex.Messaging.Server.CLI (getEnvPath)
|
||||
import Simplex.Messaging.Server.Web (serveStaticFiles)
|
||||
import XFTPWeb (xftpGenerateSite)
|
||||
|
||||
defaultCfgPath :: FilePath
|
||||
defaultCfgPath = "/etc/opt/simplex-xftp"
|
||||
|
||||
defaultLogPath :: FilePath
|
||||
defaultLogPath = "/var/opt/simplex-xftp"
|
||||
|
||||
logCfg :: LogConfig
|
||||
logCfg = LogConfig {lc_file = Nothing, lc_stderr = True}
|
||||
|
||||
main :: IO ()
|
||||
main = do
|
||||
setLogLevel LogDebug -- change to LogError in production
|
||||
cfgPath <- getEnvPath "XFTP_SERVER_CFG_PATH" defaultCfgPath
|
||||
logPath <- getEnvPath "XFTP_SERVER_LOG_PATH" defaultLogPath
|
||||
withGlobalLogging logCfg $ xftpServerCLI_ xftpGenerateSite serveStaticFiles cfgPath logPath
|
||||
@@ -1,67 +0,0 @@
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
{-# LANGUAGE TemplateHaskell #-}
|
||||
|
||||
module XFTPWeb
|
||||
( xftpGenerateSite,
|
||||
xftpServerInformation,
|
||||
) where
|
||||
|
||||
import Control.Monad (forM_)
|
||||
import qualified Data.ByteString.Char8 as B
|
||||
import Data.ByteString (ByteString)
|
||||
import Data.FileEmbed (embedDir, embedFile)
|
||||
import Data.Maybe (isJust)
|
||||
import Data.String (fromString)
|
||||
import Web.Embedded (embeddedContent)
|
||||
import Simplex.FileTransfer.Server.Env (XFTPServerConfig (..))
|
||||
import Simplex.Messaging.Encoding.String (strEncode)
|
||||
import Simplex.Messaging.Server.Expiration (ExpirationConfig (..))
|
||||
import Simplex.Messaging.Server.Information (ServerPublicInfo)
|
||||
import Simplex.Messaging.Server.Main (simplexmqSource)
|
||||
import qualified Simplex.Messaging.Server.Web as Web
|
||||
import Simplex.Messaging.Server.Web (render, serverInfoSubsts, timedTTLText)
|
||||
import Simplex.Messaging.Transport.Client (TransportHost (..))
|
||||
import System.Directory (createDirectoryIfMissing)
|
||||
import System.FilePath ((</>))
|
||||
|
||||
xftpWebContent :: [(FilePath, ByteString)]
|
||||
xftpWebContent = $(embedDir "apps/xftp-server/static/xftp-web-bundle/")
|
||||
|
||||
xftpMediaContent :: [(FilePath, ByteString)]
|
||||
xftpMediaContent = $(embedDir "apps/xftp-server/static/media/")
|
||||
|
||||
-- xftpFilePageHtml :: ByteString
|
||||
-- xftpFilePageHtml = $(embedFile "apps/xftp-server/static/file.html")
|
||||
|
||||
xftpGenerateSite :: XFTPServerConfig s -> Maybe ServerPublicInfo -> Maybe TransportHost -> FilePath -> IO ()
|
||||
xftpGenerateSite cfg info onionHost path = do
|
||||
let substs = xftpSubsts cfg info onionHost
|
||||
Web.generateSite embeddedContent (render (Web.indexHtml embeddedContent) substs) [] path
|
||||
let xftpDir = path </> "xftp-web-bundle"
|
||||
mediaDir = path </> "media"
|
||||
fileDir = path </> "file"
|
||||
filePage xftpDir xftpWebContent
|
||||
filePage mediaDir xftpMediaContent
|
||||
createDirectoryIfMissing True fileDir
|
||||
-- B.writeFile (fileDir </> "index.html") $ render xftpFilePageHtml substs
|
||||
where
|
||||
filePage dir content_ = do
|
||||
createDirectoryIfMissing True dir
|
||||
forM_ content_ $ \(fp, content) -> B.writeFile (dir </> fp) content
|
||||
|
||||
xftpServerInformation :: XFTPServerConfig s -> Maybe ServerPublicInfo -> Maybe TransportHost -> ByteString
|
||||
xftpServerInformation cfg info onionHost = render (Web.indexHtml embeddedContent) (xftpSubsts cfg info onionHost)
|
||||
|
||||
xftpSubsts :: XFTPServerConfig s -> Maybe ServerPublicInfo -> Maybe TransportHost -> [(ByteString, Maybe ByteString)]
|
||||
xftpSubsts XFTPServerConfig {fileExpiration, logStatsInterval, allowNewFiles, newFileBasicAuth} information onionHost =
|
||||
[("smpConfig", Nothing), ("xftpConfig", Just "y")] <> substConfig <> serverInfoSubsts simplexmqSource information <> [("onionHost", strEncode <$> onionHost), ("iniFileName", Just "file-server.ini")]
|
||||
where
|
||||
substConfig =
|
||||
[ ("fileExpiration", Just $ maybe "Never" (fromString . timedTTLText . ttl) fileExpiration),
|
||||
("statsEnabled", Just . yesNo $ isJust logStatsInterval),
|
||||
("newUploadsAllowed", Just . yesNo $ allowNewFiles),
|
||||
("basicAuthEnabled", Just . yesNo $ isJust newFileBasicAuth)
|
||||
]
|
||||
yesNo True = "Yes"
|
||||
yesNo False = "No"
|
||||
File diff suppressed because one or more lines are too long
@@ -1,115 +0,0 @@
|
||||
<svg width="440" height="520" viewBox="-20 0 440 520" fill="none" xmlns="http://www.w3.org/2000/svg">
|
||||
<!-- Sender browser -->
|
||||
<rect x="120" y="16" width="160" height="56" rx="10" stroke="#70F0F9" stroke-width="1.5"/>
|
||||
<text x="200" y="40" text-anchor="middle" font-family="system-ui, sans-serif" font-size="13" font-weight="600" fill="#70F0F9">Sender's browser</text>
|
||||
<text x="200" y="56" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" fill="rgba(112,240,249,0.7)">encrypts file</text>
|
||||
|
||||
<!-- Arrow down from sender to chunks -->
|
||||
<line x1="200" y1="72" x2="200" y2="120" stroke="#70F0F9" stroke-width="1.5" marker-end="url(#arrowC)"/>
|
||||
|
||||
<!-- Chunks row -->
|
||||
<rect x="112" y="120" width="176" height="40" rx="8" fill="none" stroke="#70F0F9" stroke-width="1" stroke-dasharray="4 3"/>
|
||||
<text x="200" y="145" text-anchor="middle" font-family="system-ui, sans-serif" font-size="12" fill="#70F0F9">encrypted chunks</text>
|
||||
|
||||
<!-- Arrows from chunks to routers -->
|
||||
<line x1="152" y1="160" x2="80" y2="220" stroke="#70F0F9" stroke-width="1.5" marker-end="url(#arrowC)"/>
|
||||
<line x1="200" y1="160" x2="200" y2="220" stroke="#70F0F9" stroke-width="1.5" marker-end="url(#arrowC)"/>
|
||||
<line x1="248" y1="160" x2="320" y2="220" stroke="#70F0F9" stroke-width="1.5" marker-end="url(#arrowC)"/>
|
||||
|
||||
<!-- Router 1 (SimpleX) -->
|
||||
<rect x="20" y="220" width="120" height="56" rx="6" fill="none" stroke="#70F0F9" stroke-width="1.5"/>
|
||||
<g transform="translate(28, 227)">
|
||||
<rect width="14" height="4" rx="1" fill="rgba(112,240,249,0.5)"/>
|
||||
<rect y="6" width="14" height="4" rx="1" fill="rgba(112,240,249,0.5)"/>
|
||||
<rect y="12" width="14" height="4" rx="1" fill="rgba(112,240,249,0.5)"/>
|
||||
<circle cx="11" cy="2" r="1" fill="#70F0F9"/>
|
||||
<circle cx="11" cy="8" r="1" fill="#70F0F9"/>
|
||||
<circle cx="11" cy="14" r="1" fill="#70F0F9"/>
|
||||
</g>
|
||||
<text x="80" y="244" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" font-weight="600" fill="#70F0F9">SimpleX</text>
|
||||
<text x="80" y="258" text-anchor="middle" font-family="system-ui, sans-serif" font-size="9" fill="rgba(112,240,249,0.7)">XFTP router</text>
|
||||
|
||||
<!-- Router 2 (Flux) -->
|
||||
<rect x="155" y="220" width="90" height="56" rx="6" fill="none" stroke="#70F0F9" stroke-width="1.5"/>
|
||||
<g transform="translate(163, 227)">
|
||||
<rect width="14" height="4" rx="1" fill="rgba(112,240,249,0.5)"/>
|
||||
<rect y="6" width="14" height="4" rx="1" fill="rgba(112,240,249,0.5)"/>
|
||||
<rect y="12" width="14" height="4" rx="1" fill="rgba(112,240,249,0.5)"/>
|
||||
<circle cx="11" cy="2" r="1" fill="#70F0F9"/>
|
||||
<circle cx="11" cy="8" r="1" fill="#70F0F9"/>
|
||||
<circle cx="11" cy="14" r="1" fill="#70F0F9"/>
|
||||
</g>
|
||||
<text x="200" y="244" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" font-weight="600" fill="#70F0F9">Flux</text>
|
||||
<text x="200" y="258" text-anchor="middle" font-family="system-ui, sans-serif" font-size="9" fill="rgba(112,240,249,0.7)">XFTP router</text>
|
||||
|
||||
<!-- Router 3 (SimpleX) -->
|
||||
<rect x="260" y="220" width="120" height="56" rx="6" fill="none" stroke="#70F0F9" stroke-width="1.5"/>
|
||||
<g transform="translate(268, 227)">
|
||||
<rect width="14" height="4" rx="1" fill="rgba(112,240,249,0.5)"/>
|
||||
<rect y="6" width="14" height="4" rx="1" fill="rgba(112,240,249,0.5)"/>
|
||||
<rect y="12" width="14" height="4" rx="1" fill="rgba(112,240,249,0.5)"/>
|
||||
<circle cx="11" cy="2" r="1" fill="#70F0F9"/>
|
||||
<circle cx="11" cy="8" r="1" fill="#70F0F9"/>
|
||||
<circle cx="11" cy="14" r="1" fill="#70F0F9"/>
|
||||
</g>
|
||||
<text x="320" y="244" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" font-weight="600" fill="#70F0F9">SimpleX</text>
|
||||
<text x="320" y="258" text-anchor="middle" font-family="system-ui, sans-serif" font-size="9" fill="rgba(112,240,249,0.7)">XFTP router</text>
|
||||
|
||||
<!-- Arrows from routers down -->
|
||||
<line x1="80" y1="276" x2="152" y2="336" stroke="#70F0F9" stroke-width="1.5" marker-end="url(#arrowC)"/>
|
||||
<line x1="200" y1="276" x2="200" y2="336" stroke="#70F0F9" stroke-width="1.5" marker-end="url(#arrowC)"/>
|
||||
<line x1="320" y1="276" x2="248" y2="336" stroke="#70F0F9" stroke-width="1.5" marker-end="url(#arrowC)"/>
|
||||
|
||||
<!-- Re-encrypt label -->
|
||||
<text x="330" y="310" text-anchor="start" font-family="system-ui, sans-serif" font-size="10" fill="rgba(112,240,249,0.7)">re-encrypted</text>
|
||||
<text x="330" y="322" text-anchor="start" font-family="system-ui, sans-serif" font-size="10" fill="rgba(112,240,249,0.7)">per recipient</text>
|
||||
|
||||
<!-- Chunks row (download) -->
|
||||
<rect x="112" y="336" width="176" height="40" rx="8" fill="none" stroke="#70F0F9" stroke-width="1" stroke-dasharray="4 3"/>
|
||||
<text x="200" y="361" text-anchor="middle" font-family="system-ui, sans-serif" font-size="12" fill="#70F0F9">encrypted chunks</text>
|
||||
|
||||
<!-- Arrow down to recipient -->
|
||||
<line x1="200" y1="376" x2="200" y2="424" stroke="#70F0F9" stroke-width="1.5" marker-end="url(#arrowC)"/>
|
||||
|
||||
<!-- Recipient browser -->
|
||||
<rect x="120" y="424" width="160" height="56" rx="10" stroke="#70F0F9" stroke-width="1.5"/>
|
||||
<text x="200" y="448" text-anchor="middle" font-family="system-ui, sans-serif" font-size="13" font-weight="600" fill="#70F0F9">Recipient's browser</text>
|
||||
<text x="200" y="464" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" fill="rgba(112,240,249,0.7)">decrypts file</text>
|
||||
|
||||
<!-- Key path (dashed, side) -->
|
||||
<path d="M120 44 L8 44 L8 452 L120 452" stroke="#70F0F9" stroke-width="1.5" stroke-dasharray="6 4" fill="none" marker-end="url(#arrowC)"/>
|
||||
<text x="-6" y="240" text-anchor="middle" font-family="system-ui, sans-serif" font-size="10" fill="#70F0F9" transform="rotate(-90 -6 240)">key in URL fragment - never sent to page server or data router</text>
|
||||
|
||||
|
||||
<!-- Closed padlock: encryption (between sender and chunks) -->
|
||||
<g transform="translate(192, 88)">
|
||||
<path d="M4,7 V4 C4,1.2 12,1.2 12,4 V7" stroke="#60a5fa" stroke-width="1.5" fill="none" stroke-linecap="round"/>
|
||||
<rect x="2" y="7" width="12" height="9" rx="2" fill="#60a5fa"/>
|
||||
<circle cx="8" cy="12" r="1.2" fill="#0B2A59"/>
|
||||
</g>
|
||||
|
||||
<!-- Open padlock: decryption (between chunks and recipient) -->
|
||||
<g transform="translate(192, 392)">
|
||||
<path d="M4,7 V4 C4,1.2 12,1.2 12,4 V2" stroke="#60a5fa" stroke-width="1.5" fill="none" stroke-linecap="round"/>
|
||||
<rect x="2" y="7" width="12" height="9" rx="2" fill="#60a5fa"/>
|
||||
<circle cx="8" cy="12" r="1.2" fill="#0B2A59"/>
|
||||
</g>
|
||||
|
||||
<!-- Key icon on dashed line -->
|
||||
<g transform="translate(8, 410)">
|
||||
<circle cx="0" cy="0" r="6" stroke="#FBBF24" stroke-width="2" fill="#FBBF24"/>
|
||||
<circle cx="0" cy="0" r="2" fill="#0B2A59"/>
|
||||
<line x1="6" y1="0" x2="16" y2="0" stroke="#FBBF24" stroke-width="2"/>
|
||||
<line x1="14" y1="0" x2="14" y2="4" stroke="#FBBF24" stroke-width="2"/>
|
||||
<line x1="11" y1="0" x2="11" y2="3.5" stroke="#FBBF24" stroke-width="2"/>
|
||||
</g>
|
||||
|
||||
<!-- Annotation: no shared IDs -->
|
||||
<text x="200" y="510" text-anchor="middle" font-family="system-ui, sans-serif" font-size="10" fill="rgba(112,240,249,0.7)">Each file fragment uses unique anonymous credentials - no shared identifiers</text>
|
||||
|
||||
<defs>
|
||||
<marker id="arrowC" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
|
||||
<path d="M 0 0 L 10 5 L 0 10 z" fill="#70F0F9"/>
|
||||
</marker>
|
||||
</defs>
|
||||
</svg>
|
||||
|
Before Width: | Height: | Size: 7.2 KiB |
@@ -1,130 +0,0 @@
|
||||
<svg width="440" height="520" viewBox="-20 0 440 520" fill="none" xmlns="http://www.w3.org/2000/svg">
|
||||
<!-- Sender browser -->
|
||||
<rect x="120" y="16" width="160" height="56" rx="10" fill="url(#gBox)" stroke="#606C71" stroke-width="1.5"/>
|
||||
<text x="200" y="40" text-anchor="middle" font-family="system-ui, sans-serif" font-size="13" font-weight="600" fill="#fff">Sender's browser</text>
|
||||
<text x="200" y="56" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" fill="rgba(255,255,255,0.8)">encrypts file</text>
|
||||
|
||||
<!-- Arrow down from sender to chunks -->
|
||||
<line x1="200" y1="72" x2="200" y2="120" stroke="#606C71" stroke-width="1.5" marker-end="url(#arrowG)"/>
|
||||
|
||||
<!-- Chunks row -->
|
||||
<rect x="112" y="120" width="176" height="40" rx="8" fill="#f0f7ff" stroke="#0053D0" stroke-width="1" stroke-dasharray="4 3"/>
|
||||
<text x="200" y="145" text-anchor="middle" font-family="system-ui, sans-serif" font-size="12" fill="#0053D0">encrypted chunks</text>
|
||||
|
||||
<!-- Arrows from chunks to routers -->
|
||||
<line x1="152" y1="160" x2="80" y2="220" stroke="#606C71" stroke-width="1.5" marker-end="url(#arrowG)"/>
|
||||
<line x1="200" y1="160" x2="200" y2="220" stroke="#606C71" stroke-width="1.5" marker-end="url(#arrowG)"/>
|
||||
<line x1="248" y1="160" x2="320" y2="220" stroke="#606C71" stroke-width="1.5" marker-end="url(#arrowG)"/>
|
||||
|
||||
<!-- Router 1 (SimpleX) -->
|
||||
<rect x="20" y="220" width="120" height="56" rx="6" fill="#f0f4f8" stroke="#606C71" stroke-width="1.5"/>
|
||||
<g transform="translate(28, 227)">
|
||||
<rect width="14" height="4" rx="1" fill="#606C71"/>
|
||||
<rect y="6" width="14" height="4" rx="1" fill="#606C71"/>
|
||||
<rect y="12" width="14" height="4" rx="1" fill="#606C71"/>
|
||||
<circle cx="11" cy="2" r="1" fill="#53C1FF"/>
|
||||
<circle cx="11" cy="8" r="1" fill="#53C1FF"/>
|
||||
<circle cx="11" cy="14" r="1" fill="#53C1FF"/>
|
||||
</g>
|
||||
<text x="80" y="244" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" font-weight="600" fill="#3F484B">SimpleX</text>
|
||||
<text x="80" y="258" text-anchor="middle" font-family="system-ui, sans-serif" font-size="9" fill="#606C71">XFTP router</text>
|
||||
|
||||
<!-- Router 2 (Flux) -->
|
||||
<rect x="155" y="220" width="90" height="56" rx="6" fill="#f0f4f8" stroke="#606C71" stroke-width="1.5"/>
|
||||
<g transform="translate(163, 227)">
|
||||
<rect width="14" height="4" rx="1" fill="#606C71"/>
|
||||
<rect y="6" width="14" height="4" rx="1" fill="#606C71"/>
|
||||
<rect y="12" width="14" height="4" rx="1" fill="#606C71"/>
|
||||
<circle cx="11" cy="2" r="1" fill="#53C1FF"/>
|
||||
<circle cx="11" cy="8" r="1" fill="#53C1FF"/>
|
||||
<circle cx="11" cy="14" r="1" fill="#53C1FF"/>
|
||||
</g>
|
||||
<text x="200" y="244" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" font-weight="600" fill="#3F484B">Flux</text>
|
||||
<text x="200" y="258" text-anchor="middle" font-family="system-ui, sans-serif" font-size="9" fill="#606C71">XFTP router</text>
|
||||
|
||||
<!-- Router 3 (SimpleX) -->
|
||||
<rect x="260" y="220" width="120" height="56" rx="6" fill="#f0f4f8" stroke="#606C71" stroke-width="1.5"/>
|
||||
<g transform="translate(268, 227)">
|
||||
<rect width="14" height="4" rx="1" fill="#606C71"/>
|
||||
<rect y="6" width="14" height="4" rx="1" fill="#606C71"/>
|
||||
<rect y="12" width="14" height="4" rx="1" fill="#606C71"/>
|
||||
<circle cx="11" cy="2" r="1" fill="#53C1FF"/>
|
||||
<circle cx="11" cy="8" r="1" fill="#53C1FF"/>
|
||||
<circle cx="11" cy="14" r="1" fill="#53C1FF"/>
|
||||
</g>
|
||||
<text x="320" y="244" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" font-weight="600" fill="#3F484B">SimpleX</text>
|
||||
<text x="320" y="258" text-anchor="middle" font-family="system-ui, sans-serif" font-size="9" fill="#606C71">XFTP router</text>
|
||||
|
||||
<!-- Arrows from routers down -->
|
||||
<line x1="80" y1="276" x2="152" y2="336" stroke="#606C71" stroke-width="1.5" marker-end="url(#arrowG)"/>
|
||||
<line x1="200" y1="276" x2="200" y2="336" stroke="#606C71" stroke-width="1.5" marker-end="url(#arrowG)"/>
|
||||
<line x1="320" y1="276" x2="248" y2="336" stroke="#606C71" stroke-width="1.5" marker-end="url(#arrowG)"/>
|
||||
|
||||
<!-- Re-encrypt label -->
|
||||
<text x="330" y="310" text-anchor="start" font-family="system-ui, sans-serif" font-size="10" fill="#606C71">re-encrypted</text>
|
||||
<text x="330" y="322" text-anchor="start" font-family="system-ui, sans-serif" font-size="10" fill="#606C71">per recipient</text>
|
||||
|
||||
<!-- Chunks row (download) -->
|
||||
<rect x="112" y="336" width="176" height="40" rx="8" fill="#f0f7ff" stroke="#0053D0" stroke-width="1" stroke-dasharray="4 3"/>
|
||||
<text x="200" y="361" text-anchor="middle" font-family="system-ui, sans-serif" font-size="12" fill="#0053D0">encrypted chunks</text>
|
||||
|
||||
<!-- Arrow down to recipient -->
|
||||
<line x1="200" y1="376" x2="200" y2="424" stroke="#606C71" stroke-width="1.5" marker-end="url(#arrowG)"/>
|
||||
|
||||
<!-- Recipient browser -->
|
||||
<rect x="120" y="424" width="160" height="56" rx="10" fill="url(#gBox)" stroke="#606C71" stroke-width="1.5"/>
|
||||
<text x="200" y="448" text-anchor="middle" font-family="system-ui, sans-serif" font-size="13" font-weight="600" fill="#fff">Recipient's browser</text>
|
||||
<text x="200" y="464" text-anchor="middle" font-family="system-ui, sans-serif" font-size="11" fill="rgba(255,255,255,0.8)">decrypts file</text>
|
||||
|
||||
<!-- Key path (dashed, side) -->
|
||||
<path d="M120 44 L8 44 L8 452 L120 452" stroke="#0053D0" stroke-width="1.5" stroke-dasharray="6 4" fill="none" marker-end="url(#arrowB)"/>
|
||||
<text x="-6" y="240" text-anchor="middle" font-family="system-ui, sans-serif" font-size="10" fill="#0053D0" transform="rotate(-90 -6 240)">key in URL fragment - never sent to page server or data router</text>
|
||||
|
||||
|
||||
<!-- Closed padlock: encryption (between sender and chunks) -->
|
||||
<g transform="translate(192, 88)">
|
||||
<path d="M4,7 V4 C4,1.2 12,1.2 12,4 V7" stroke="#0053D0" stroke-width="1.5" fill="none" stroke-linecap="round"/>
|
||||
<rect x="2" y="7" width="12" height="9" rx="2" fill="#0053D0"/>
|
||||
<circle cx="8" cy="12" r="1.2" fill="#fff"/>
|
||||
</g>
|
||||
|
||||
<!-- Open padlock: decryption (between chunks and recipient) -->
|
||||
<g transform="translate(192, 392)">
|
||||
<path d="M4,7 V4 C4,1.2 12,1.2 12,4 V2" stroke="#0053D0" stroke-width="1.5" fill="none" stroke-linecap="round"/>
|
||||
<rect x="2" y="7" width="12" height="9" rx="2" fill="#0053D0"/>
|
||||
<circle cx="8" cy="12" r="1.2" fill="#fff"/>
|
||||
</g>
|
||||
|
||||
<!-- Key icon on dashed line -->
|
||||
<g transform="translate(8, 410)">
|
||||
<circle cx="0" cy="0" r="6" stroke="#D97706" stroke-width="2" fill="#D97706"/>
|
||||
<circle cx="0" cy="0" r="2" fill="#fff"/>
|
||||
<line x1="6" y1="0" x2="16" y2="0" stroke="#D97706" stroke-width="2"/>
|
||||
<line x1="14" y1="0" x2="14" y2="4" stroke="#D97706" stroke-width="2"/>
|
||||
<line x1="11" y1="0" x2="11" y2="3.5" stroke="#D97706" stroke-width="2"/>
|
||||
</g>
|
||||
|
||||
<!-- Annotation: no shared IDs -->
|
||||
<text x="200" y="510" text-anchor="middle" font-family="system-ui, sans-serif" font-size="10" fill="#606C71">Each file fragment uses unique anonymous credentials - no shared identifiers</text>
|
||||
|
||||
<defs>
|
||||
<linearGradient id="gBox" x1="120" y1="16" x2="280" y2="72" gradientUnits="userSpaceOnUse">
|
||||
<stop stop-color="#0053D0"/>
|
||||
<stop offset="1" stop-color="#53C1FF"/>
|
||||
</linearGradient>
|
||||
<linearGradient id="gSrv1" x1="20" y1="220" x2="140" y2="276" gradientUnits="userSpaceOnUse">
|
||||
<stop stop-color="#0053D0"/>
|
||||
<stop offset="1" stop-color="#53C1FF"/>
|
||||
</linearGradient>
|
||||
<linearGradient id="gSrv2" x1="155" y1="220" x2="245" y2="276" gradientUnits="userSpaceOnUse">
|
||||
<stop stop-color="#0053D0"/>
|
||||
<stop offset="1" stop-color="#53C1FF"/>
|
||||
</linearGradient>
|
||||
<marker id="arrowG" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
|
||||
<path d="M 0 0 L 10 5 L 0 10 z" fill="#606C71"/>
|
||||
</marker>
|
||||
<marker id="arrowB" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
|
||||
<path d="M 0 0 L 10 5 L 0 10 z" fill="#0053D0"/>
|
||||
</marker>
|
||||
</defs>
|
||||
</svg>
|
||||
|
Before Width: | Height: | Size: 7.8 KiB |
File diff suppressed because one or more lines are too long
@@ -1,145 +0,0 @@
|
||||
#app, [data-xftp-app] {
|
||||
font-family: system-ui, -apple-system, sans-serif;
|
||||
color: #333;
|
||||
width: 100%;
|
||||
max-width: 480px;
|
||||
padding: 16px;
|
||||
box-sizing: border-box;
|
||||
--xftp-ring-fg: #3b82f6;
|
||||
}
|
||||
|
||||
:is(#app, [data-xftp-app]) .card {
|
||||
background: #fff;
|
||||
border-radius: 12px;
|
||||
padding: 32px 24px;
|
||||
box-shadow: 0 1px 3px rgba(0,0,0,.1);
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
:is(#app, [data-xftp-app]) h1 {
|
||||
font-size: 1.25rem;
|
||||
font-weight: 600;
|
||||
margin-bottom: 24px;
|
||||
}
|
||||
|
||||
:is(#app, [data-xftp-app]) .stage { margin-top: 16px; }
|
||||
|
||||
/* Drop zone */
|
||||
:is(#app, [data-xftp-app]) .drop-zone {
|
||||
border: 2px dashed #ccc;
|
||||
border-radius: 8px;
|
||||
padding: 32px 16px;
|
||||
transition: border-color .15s, background .15s;
|
||||
}
|
||||
:is(#app, [data-xftp-app]) .drop-zone.drag-over {
|
||||
border-color: #3b82f6;
|
||||
background: #eff6ff;
|
||||
}
|
||||
|
||||
/* Buttons */
|
||||
:is(#app, [data-xftp-app]) .btn {
|
||||
display: inline-block;
|
||||
padding: 10px 24px;
|
||||
border: none;
|
||||
border-radius: 6px;
|
||||
background: #3b82f6;
|
||||
color: #fff;
|
||||
font-size: .9rem;
|
||||
font-weight: 500;
|
||||
cursor: pointer;
|
||||
transition: background .15s;
|
||||
}
|
||||
:is(#app, [data-xftp-app]) .btn:hover { background: #2563eb; }
|
||||
:is(#app, [data-xftp-app]) .btn-secondary { background: #6b7280; }
|
||||
:is(#app, [data-xftp-app]) .btn-secondary:hover { background: #4b5563; }
|
||||
|
||||
/* Hints */
|
||||
:is(#app, [data-xftp-app]) .hint { color: #999; font-size: .85rem; margin-top: 8px; }
|
||||
:is(#app, [data-xftp-app]) .expiry { margin-top: 12px; }
|
||||
|
||||
/* Progress */
|
||||
:is(#app, [data-xftp-app]) .progress-ring { display: block; margin: 0 auto 12px; }
|
||||
:is(#app, [data-xftp-app]) #upload-status,
|
||||
:is(#app, [data-xftp-app]) #dl-status { font-size: .9rem; color: #666; margin-bottom: 12px; }
|
||||
|
||||
/* Share link row */
|
||||
:is(#app, [data-xftp-app]) .link-row {
|
||||
display: flex;
|
||||
gap: 8px;
|
||||
margin-top: 12px;
|
||||
}
|
||||
:is(#app, [data-xftp-app]) .link-row input {
|
||||
flex: 1;
|
||||
padding: 8px 10px;
|
||||
border: 1px solid #ccc;
|
||||
border-radius: 6px;
|
||||
font-size: .85rem;
|
||||
background: #f9fafb;
|
||||
}
|
||||
|
||||
/* Upload link */
|
||||
:is(#app, [data-xftp-app]) .upload-link {
|
||||
margin-top: 12px;
|
||||
color: #3b82f6;
|
||||
font-size: .9rem;
|
||||
text-decoration: none;
|
||||
cursor: pointer;
|
||||
}
|
||||
:is(#app, [data-xftp-app]) .upload-link:not([hidden]) {
|
||||
display: inline-block;
|
||||
}
|
||||
:is(#app, [data-xftp-app]) .upload-link:hover { text-decoration: underline; }
|
||||
|
||||
/* Messages */
|
||||
:is(#app, [data-xftp-app]) .success { color: #16a34a; font-weight: 600; }
|
||||
:is(#app, [data-xftp-app]) .error { color: #dc2626; font-weight: 500; margin-bottom: 12px; }
|
||||
|
||||
/* Security note */
|
||||
:is(#app, [data-xftp-app]) .security-note {
|
||||
margin-top: 20px;
|
||||
padding: 12px;
|
||||
background: #f0fdf4;
|
||||
border-radius: 6px;
|
||||
font-size: .8rem;
|
||||
color: #555;
|
||||
text-align: left;
|
||||
}
|
||||
:is(#app, [data-xftp-app]) .security-note p + p { margin-top: 6px; }
|
||||
:is(#app, [data-xftp-app]) .security-note a { color: #3b82f6; text-decoration: none; }
|
||||
:is(#app, [data-xftp-app]) .security-note a:hover { text-decoration: underline; }
|
||||
|
||||
/* ── Dark mode ─────────────────────────────────── */
|
||||
.dark :is(#app, [data-xftp-app]) {
|
||||
color: #e5e7eb;
|
||||
--xftp-ring-bg: #374151;
|
||||
--xftp-ring-fg: #60a5fa;
|
||||
--xftp-ring-text: #e5e7eb;
|
||||
--xftp-ring-done: #4ade80;
|
||||
}
|
||||
.dark :is(#app, [data-xftp-app]) .card {
|
||||
background: #1f2937;
|
||||
box-shadow: 0 1px 3px rgba(0,0,0,.4);
|
||||
}
|
||||
.dark :is(#app, [data-xftp-app]) .drop-zone { border-color: #4b5563; }
|
||||
.dark :is(#app, [data-xftp-app]) .drop-zone.drag-over {
|
||||
border-color: #60a5fa;
|
||||
background: rgba(59,130,246,.15);
|
||||
}
|
||||
.dark :is(#app, [data-xftp-app]) .btn-secondary { background: #4b5563; }
|
||||
.dark :is(#app, [data-xftp-app]) .btn-secondary:hover { background: #374151; }
|
||||
.dark :is(#app, [data-xftp-app]) .hint { color: #9ca3af; }
|
||||
.dark :is(#app, [data-xftp-app]) #upload-status,
|
||||
.dark :is(#app, [data-xftp-app]) #dl-status { color: #9ca3af; }
|
||||
.dark :is(#app, [data-xftp-app]) .link-row input {
|
||||
background: #374151;
|
||||
border-color: #4b5563;
|
||||
color: #e5e7eb;
|
||||
}
|
||||
.dark :is(#app, [data-xftp-app]) .success { color: #4ade80; }
|
||||
.dark :is(#app, [data-xftp-app]) .error { color: #f87171; }
|
||||
.dark :is(#app, [data-xftp-app]) .security-note {
|
||||
background: rgba(34,197,94,.1);
|
||||
color: #d1d5db;
|
||||
}
|
||||
.dark :is(#app, [data-xftp-app]) .upload-link { color: #60a5fa; }
|
||||
.dark :is(#app, [data-xftp-app]) .security-note a { color: #60a5fa; }
|
||||
File diff suppressed because one or more lines are too long
@@ -1,6 +0,0 @@
|
||||
module Main where
|
||||
|
||||
import Simplex.FileTransfer.Client.Main
|
||||
|
||||
main :: IO ()
|
||||
main = xftpClientCLI
|
||||
+2
-49
@@ -1,53 +1,6 @@
|
||||
packages: .
|
||||
-- packages: . ../direct-sqlcipher ../sqlcipher-simple
|
||||
-- packages: . ../hs-socks
|
||||
-- packages: . ../http2
|
||||
-- packages: . ../network-transport
|
||||
|
||||
-- uncomment two sections below to run tests with coverage
|
||||
-- package *
|
||||
-- coverage: True
|
||||
-- library-coverage: True
|
||||
|
||||
-- package attoparsec
|
||||
-- coverage: False
|
||||
-- library-coverage: False
|
||||
|
||||
index-state: 2023-12-12T00:00:00Z
|
||||
|
||||
package cryptostore
|
||||
flags: +use_crypton
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/simplex-chat/aeson.git
|
||||
tag: aab7b5a14d6c5ea64c64dcaee418de1bb00dcc2b
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/simplex-chat/hs-socks.git
|
||||
tag: a30cc7a79a08d8108316094f8f2f82a0c5e1ac51
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/simplex-chat/direct-sqlcipher.git
|
||||
tag: f814ee68b16a9447fbb467ccc8f29bdd3546bfd9
|
||||
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/simplex-chat/sqlcipher-simple.git
|
||||
tag: a46bd361a19376c5211f1058908fc0ae6bf42446
|
||||
|
||||
-- waiting for published warp-tls-3.4.7
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/yesodweb/wai.git
|
||||
tag: ec5e017d896a78e787a5acea62b37a4e677dec2e
|
||||
subdir: warp-tls
|
||||
|
||||
-- backported fork due http-5.0
|
||||
source-repository-package
|
||||
type: git
|
||||
location: https://github.com/simplex-chat/wai.git
|
||||
tag: 2f6e5aa5f05ba9140ac99e195ee647b4f7d926b0
|
||||
subdir: warp
|
||||
location: git://github.com/simplex-chat/aeson.git
|
||||
tag: 3eb66f9a68f103b5f1489382aad89f5712a64db7
|
||||
|
||||
@@ -1,3 +0,0 @@
|
||||
# Streamlined NTRU Prime: sntrup761
|
||||
|
||||
The implementation of sntrup761 is the _exact_ copy from this [Internet draft](https://www.ietf.org/archive/id/draft-josefsson-ntruprime-streamlined-00.html).
|
||||
@@ -1,9 +0,0 @@
|
||||
#include <openssl/sha.h>
|
||||
#include "sha512.h"
|
||||
|
||||
void crypto_hash_sha512 (unsigned char *out,
|
||||
const unsigned char *in,
|
||||
unsigned long long inlen)
|
||||
{
|
||||
SHA512(in, inlen, out);
|
||||
}
|
||||
@@ -1,3 +0,0 @@
|
||||
void crypto_hash_sha512 (unsigned char *out,
|
||||
const unsigned char *in,
|
||||
unsigned long long inlen);
|
||||
-1035
File diff suppressed because it is too large
Load Diff
@@ -1,33 +0,0 @@
|
||||
/*
|
||||
* Derived from public domain source, written by (in alphabetical order):
|
||||
* - Daniel J. Bernstein
|
||||
* - Chitchanok Chuengsatiansup
|
||||
* - Tanja Lange
|
||||
* - Christine van Vredendaal
|
||||
*/
|
||||
|
||||
#ifndef SNTRUP761_H
|
||||
#define SNTRUP761_H
|
||||
|
||||
#include <string.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#define SNTRUP761_SECRETKEY_SIZE 1763
|
||||
#define SNTRUP761_PUBLICKEY_SIZE 1158
|
||||
#define SNTRUP761_CIPHERTEXT_SIZE 1039
|
||||
#define SNTRUP761_SIZE 32
|
||||
|
||||
typedef void sntrup761_random_func (void *ctx, size_t length, uint8_t *dst);
|
||||
|
||||
void
|
||||
sntrup761_keypair (uint8_t *pk, uint8_t *sk,
|
||||
void *random_ctx, sntrup761_random_func *random);
|
||||
|
||||
void
|
||||
sntrup761_enc (uint8_t *c, uint8_t *k, const uint8_t *pk,
|
||||
void *random_ctx, sntrup761_random_func *random);
|
||||
|
||||
void
|
||||
sntrup761_dec (uint8_t *k, const uint8_t *c, const uint8_t *sk);
|
||||
|
||||
#endif /* SNTRUP761_H */
|
||||
@@ -1,104 +0,0 @@
|
||||
# Coding and building
|
||||
|
||||
This file provides guidance on coding style and approaches and on building the code.
|
||||
|
||||
## Code Security
|
||||
|
||||
When designing code and planning implementations:
|
||||
- Apply adversarial thinking, and consider what may happen if one of the communicating parties is malicious.
|
||||
- Formulate an explicit threat model for each change - who can do which undesirable things and under which circumstances.
|
||||
|
||||
## Code Quality Standards
|
||||
|
||||
Haskell client and server code serves as system specification, not just implementation — we use type-driven design to reflect the business domain in types. Quality, conciseness, and clarity of Haskell code are critical.
|
||||
|
||||
## Code Style, Formatting and Approaches
|
||||
|
||||
The project uses **fourmolu** for Haskell code formatting. Configuration is in `fourmolu.yaml`.
|
||||
|
||||
**Key formatting rules:**
|
||||
- 2-space indentation
|
||||
- Trailing function arrows, commas, and import/export style
|
||||
- Record brace without space: `{field = value}`
|
||||
- Single newline between declarations
|
||||
- Never use unicode symbols
|
||||
- Inline `let` style with right-aligned `in`
|
||||
|
||||
**Format code before committing:**
|
||||
|
||||
```bash
|
||||
# Format a single file
|
||||
fourmolu -i src/Simplex/Messaging/Protocol.hs
|
||||
```
|
||||
|
||||
Some files that use CPP language extension cannot be formatted as a whole, so individual code fragments need to be formatted.
|
||||
|
||||
**Follow existing code patterns:**
|
||||
- Match the style of surrounding code
|
||||
- Use qualified imports with short aliases (e.g., `import qualified Data.ByteString.Char8 as B`)
|
||||
- Use record syntax for types with multiple fields
|
||||
- Prefer explicit pattern matching over partial functions
|
||||
|
||||
**Comments policy:**
|
||||
- Avoid redundant comments that restate what the code already says
|
||||
- Only comment on non-obvious design decisions or tricky implementation details
|
||||
- Function names and type signatures should be self-documenting
|
||||
- Do not add comments like "wire format encoding" (Encoding class is always wire format) or "check if X" when the function name already says that
|
||||
- Assume a competent Haskell reader
|
||||
|
||||
**Diff and refactoring:**
|
||||
- Avoid unnecessary changes and code movements
|
||||
- Never do refactoring unless it substantially reduces cost of solving the current problem, including the cost of refactoring
|
||||
- Aim to minimize the code changes - do what is minimally required to solve users' problems
|
||||
|
||||
**Document and code structure:**
|
||||
- **Never move existing code or sections around** - add new content at appropriate locations without reorganizing existing structure.
|
||||
- When adding new sections to documents, continue the existing numbering scheme.
|
||||
- Minimize diff size - prefer small, targeted changes over reorganization.
|
||||
|
||||
**Code analysis and review:**
|
||||
- Trace data flows end-to-end: from origin, through storage/parameters, to consumption. Flag values that are discarded and reconstructed from partial data (e.g. extracted from a URI missing original fields) — this is usually a bug.
|
||||
- Read implementations of called functions, not just signatures — if duplication involves a called function, check whether decomposing it resolves the duplication.
|
||||
- Do not save time on analysis. Read every function in the data flow even when the interface seems clear — wrong assumptions about internals are the main source of missed bugs.
|
||||
|
||||
### Haskell Extensions
|
||||
- `StrictData` enabled by default
|
||||
- Use STM for safe concurrency
|
||||
- Assume concurrency in PostgreSQL queries
|
||||
- Comprehensive warning flags with strict pattern matching
|
||||
|
||||
## Build Commands
|
||||
|
||||
```bash
|
||||
# Standard build
|
||||
cabal build
|
||||
|
||||
# Fast build
|
||||
cabal build --ghc-options -O0
|
||||
|
||||
# Build specific executables
|
||||
cabal build exe:smp-server exe:xftp-server exe:ntf-server exe:xftp
|
||||
|
||||
# Build with PostgreSQL server support
|
||||
cabal build -fserver_postgres
|
||||
|
||||
# Client-only library build (no server code)
|
||||
cabal build -fclient_library
|
||||
|
||||
# Find binary location
|
||||
cabal list-bin exe:smp-server
|
||||
```
|
||||
|
||||
### Cabal Flags
|
||||
|
||||
- `swift`: Enable Swift JSON format
|
||||
- `client_library`: Build without server code
|
||||
- `client_postgres`: Use PostgreSQL instead of SQLite for agent persistence
|
||||
- `server_postgres`: PostgreSQL support for server queue/notification store
|
||||
|
||||
## External Dependencies
|
||||
|
||||
Custom forks specified in `cabal.project`:
|
||||
- `aeson`, `hs-socks` (SimpleX forks)
|
||||
- `direct-sqlcipher`, `sqlcipher-simple` (encrypted SQLite)
|
||||
- `warp`, `warp-tls` (HTTP server)
|
||||
@@ -1,105 +0,0 @@
|
||||
# SimpleXMQ repository
|
||||
|
||||
This file provides guidance on the project structure to help working with code in this repository.
|
||||
|
||||
## Project Overview
|
||||
|
||||
SimpleXMQ is a Haskell message broker implementing unidirectional (simplex) queues for privacy-preserving messaging.
|
||||
|
||||
Key components:
|
||||
|
||||
- **SimpleX Messaging Protocol**: SMP protocol definition and encodings ([code](../src/Simplex/Messaging/Protocol.hs), [transport code](../src/Simplex/Messaging/Transport.hs), [spec](../protocol/simplex-messaging.md)).
|
||||
- **SMP Server**: Message broker with TLS, in-memory queues, optional persistence ([main code](../src/Simplex/Messaging/Server.hs), [all code files](../src/Simplex/Messaging/Server/), [executable](../apps/smp-server/)). For proxying SMP commands the server uses [lightweight SMP client](../src/Simplex/Messaging/Client/Agent.hs).
|
||||
- **SMP Client**: Functional API with STM-based message delivery ([code](../src/Simplex/Messaging/Client.hs)).
|
||||
- **SMP Agent**: High-level duplex connections via multiple simplex queues with E2E encryption ([code](../src/Simplex/Messaging/Agent.hs)). Implements Agent-to-agent protocol ([code](../src/Simplex/Messaging/Agent/Protocol.hs), [spec](../protocol/agent-protocol.md)) via intermediary agent client ([code](../src/Simplex/Messaging/Agent/Client.hs)).
|
||||
- **XFTP**: SimpleX File Transfer Protocol, server and CLI client ([code](../src/Simplex/FileTransfer/), [spec](../protocol/xftp.md)).
|
||||
- **XRCP**: SimpleX Remote Control Protocol ([code](`../src/Simplex/RemoteControl/`), [spec](../protocol/xrcp.md)).
|
||||
- **Notifications**: Push notifications server requires PostgreSQL ([code](../src/Simplex/Messaging/Notifications), [executable](../apps/ntf-server/)). Client protocol is used for clients to communicate with the server ([code](../src/Simplex/Messaging/Notifications/Protocol.hs), [spec](../protocol/push-notifications.md)). For subscribing to SMP notifications the server uses [lightweight SMP client](../src/Simplex/Messaging/Client/Agent.hs).
|
||||
|
||||
## Architecture
|
||||
|
||||
For general overview see `../protocol/overview-tjr.md`.
|
||||
|
||||
SMP Protocol Layers:
|
||||
|
||||
```
|
||||
TLS Transport → SMP Protocol → Agent Protocol → Application protocol
|
||||
```
|
||||
|
||||
XFTP Protocol Layers:
|
||||
|
||||
```
|
||||
TLS Transport (HTTP2 encoding) → XFTP Protocol → Out-of-band file descriptions
|
||||
```
|
||||
|
||||
## Key Patterns
|
||||
|
||||
1. **Persistence**: All queue state managed via Software Transactional Memory or via PostgreSQL
|
||||
- `Simplex.Messaging.Server.MsgStore.STM` - in-memory messages
|
||||
- `Simplex.Messaging.Server.QueueStore.STM` - in-memory queue state
|
||||
- `Simplex.Messaging.Server.MsgStore.Postgres` - message storage
|
||||
- `Simplex.Messaging.Server.QueueStore.Postgres` - queue storage
|
||||
|
||||
2. **Append-Only Store Log**: Optional persistence via journal for in-memory storage
|
||||
- `Simplex.Messaging.Server.StoreLog` - queue creation log
|
||||
- Compacted on restart
|
||||
|
||||
3. **Agent Storage**:
|
||||
- SQLite (default) or PostgreSQL
|
||||
- Migrations in `src/Simplex/Messaging/Agent/Store/{SQLite,Postgres}/Migrations/`
|
||||
|
||||
4. **Protocol Versioning**: All layers support version negotiation
|
||||
- `Simplex.Messaging.Version` - version range utilities
|
||||
|
||||
5. **Double Ratchet E2E**: Per-connection encryption
|
||||
- `Simplex.Messaging.Crypto.Ratchet`
|
||||
- SNTRUP761 post-quantum KEM (`src/Simplex/Messaging/Crypto/SNTRUP761/`)
|
||||
|
||||
## Source Layout
|
||||
|
||||
```
|
||||
src/Simplex/
|
||||
├── Messaging/
|
||||
│ ├── Agent.hs # Main agent (~210KB)
|
||||
│ ├── Server.hs # SMP server (~130KB)
|
||||
│ ├── Client.hs # Client API (~65KB)
|
||||
│ ├── Protocol.hs # Protocol types (~77KB)
|
||||
│ ├── Crypto.hs # E2E encryption (~52KB)
|
||||
│ ├── Transport.hs # Transport encoding over TLS
|
||||
│ ├── Agent/Store/ # SQLite/Postgres persistence
|
||||
│ ├── Server/ # Server internals (QueueStore, MsgStore, Control)
|
||||
│ └── Notifications/ # Push notification system
|
||||
├── FileTransfer/ # XFTP implementation for file transfers
|
||||
└── RemoteControl/ # XRCP implementation for device discovery & control
|
||||
```
|
||||
|
||||
## Protocol Documentation
|
||||
|
||||
- `protocol/overview-tjr.md`: SMP protocols stack overview
|
||||
- `protocol/simplex-messaging.md`: SMP protocol spec (v19)
|
||||
- `protocol/agent-protocol.md`: Agent protocol spec (v7)
|
||||
- `protocol/xftp.md`: File transfer protocol
|
||||
- `protocol/xrcp.md`: Remote control protocol
|
||||
- `rfcs/`: Design RFCs for features
|
||||
|
||||
## Testing
|
||||
|
||||
```bash
|
||||
# Run all tests
|
||||
cabal test --test-show-details=streaming
|
||||
|
||||
# Run specific test group (uses HSpec)
|
||||
cabal test --test-option=--match="/Core tests/Encryption tests/"
|
||||
|
||||
# Run single test
|
||||
cabal test --test-option=--match="/SMP client agent/functional API/"
|
||||
```
|
||||
|
||||
Tests require PostgreSQL running on `localhost:5432` when using `-fserver_postgres` or `-fclient_postgres`.
|
||||
|
||||
Test files are in `tests/` with structure:
|
||||
- `Test.hs`: Main runner
|
||||
- `AgentTests/`: Agent protocol and connection tests
|
||||
- `CoreTests/`: Crypto, encoding, storage tests
|
||||
- `ServerTests.hs`: SMP server tests
|
||||
- `XFTPServerTests.hs`: File transfer tests
|
||||
@@ -1,23 +0,0 @@
|
||||
# Contributing to SimpleX repositories
|
||||
|
||||
## Focus on user problems
|
||||
|
||||
We do not make code changes to improve code - any change must address a specific user problem or request.
|
||||
|
||||
## Discuss the plans as early as possible
|
||||
|
||||
Please discuss the problem you want to solve and your detailed implementation plan with the project team prior to contributing, to avoid wasted time and additional changes. Acceptance of your contribution depends on your willingness and ability to iterate the proposed contribution to achieve the required quality level, coding style, test coverage, and alignment with user requirements as they are understood by the project team.
|
||||
|
||||
## Follow project structure, coding style and approaches
|
||||
|
||||
./PROJECT.md has information about the structure of this `simplexmq` repository.
|
||||
|
||||
./CODE.md has details about general requirements common for `simplexmq` and `simplex-chat` repositories.
|
||||
|
||||
This files can be used with LLM prompts, e.g. if you use Claude Code you can create CLAUDE.md file in project root importing content from these files:
|
||||
|
||||
```markdown
|
||||
@README.md
|
||||
@contributing/PROJECT.md
|
||||
@contributing/CODE.md
|
||||
```
|
||||
@@ -1,30 +0,0 @@
|
||||
indentation: 2
|
||||
column-limit: none
|
||||
function-arrows: trailing
|
||||
comma-style: trailing
|
||||
import-export-style: trailing
|
||||
indent-wheres: true
|
||||
record-brace-space: true
|
||||
newlines-between-decls: 1
|
||||
haddock-style: single-line
|
||||
haddock-style-module: null
|
||||
let-style: inline
|
||||
in-style: right-align
|
||||
single-constraint-parens: never
|
||||
unicode: never
|
||||
respectful: true
|
||||
fixities:
|
||||
- infixr 9 .
|
||||
- infixr 8 .:, .:., .=
|
||||
- infixr 6 <>
|
||||
- infixr 5 ++
|
||||
- infixl 4 <$>, <$, $>, <$$>, <$?>
|
||||
- infixl 4 <*>, <*, *>, <**>
|
||||
- infix 4 ==, /=
|
||||
- infixr 3 &&
|
||||
- infixl 3 <|>
|
||||
- infixr 2 ||
|
||||
- infixl 1 >>, >>=
|
||||
- infixr 1 =<<, >=>, <=<
|
||||
- infixr 0 $, $!
|
||||
reexports: []
|
||||
+1
-1
@@ -1 +1 @@
|
||||
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|
||||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 506.94 131.5"><path d="m109.65 58.21-18.21-10.07-15.37 9.38-.19 9.59-7.47-4.92-10.16 6.19-.44-10.48-10.48-7 10-5.17c-.08 0 0 1-1.48-34.34l-23.65-11.39-32.2 10 7.19 34.63 10.81 8.37-8.22 3.9 5.37 26.1 7.55 7.09-5.4 3.29 4.19 20.18 16.94 17.94c.08-.1 1.78-1.41 21.79-17.32l-.58-13.71 8.58 7.28c.12-.12 1.84-1.39 17.56-13.89l.61-10.14 6.48 4.5c.13-.12 1.58-1.22 14.26-11.33z" fill="#231f20"/><path d="m94.54 69 15.11-10.79-18.21-10.07-15.37 9.38z"/><path d="m92.87 88.2 1.67-19.2-18.47-11.48-.38 18.75z" fill="#004b16"/><path d="m68.22 107.73v-19.89l-18.66-14.15 1.47 19.54z" fill="#004b16"/><path d="m68.22 87.84 18.74-13.43-18.55-12.22-18.85 11.5z"/><path d="m38.43 131.48-2.98-20.32-18.15-17.8 4.19 20.18z" fill="#004b16"/><path d="m35.45 111.16 23.91-17.06-18.53-15.09-23.53 14.35z"/><path d="m33.9 100.6-3.94-26.88-20.22-16.81 5.41 26.07z" fill="#004b16"/><path d="m29.96 73.72 27.85-15.82-20.8-13.94-27.27 12.95z"/><path d="m28.07 60.88-5.4-36.81-22.67-14.06 7.19 34.62z" fill="#004b16"/><path d="m22.67 24.07 33.14-12.7-23.61-11.37-32.2 10.01z"/><g fill="#1cb35c"><path d="m107.13 76.87c-14.02 11.13-14.33 11.33-14.26 11.33 1.74-20.1 1.59-19.2 1.67-19.2 16-11.45 15-10.79 15.11-10.79z"/><path d="m85.78 93.84c-17.35 13.8-17.63 13.89-17.56 13.89-.17-20.82-.07-19.89 0-19.89 20-14.3 18.67-13.43 18.74-13.43z"/><path d="m60.22 114.16c-21.66 17.22-21.86 17.32-21.79 17.32-3.07-20.94-3-20.32-3-20.32 25.47-18.16 23.86-17.06 23.93-17.06z"/><path d="m55.81 11.37c1.52 35.37 1.4 34.34 1.48 34.34-28.66 14.89-29.29 15.17-29.22 15.17-5.52-37.63-5.47-36.81-5.4-36.81z"/><path d="m57.81 57.9c1.15 26.81 1 25.88 1.11 25.88-24.81 16.67-25.09 16.82-25 16.82-4-27.58-4-26.88-3.94-26.88z"/></g><path xmlns="http://www.w3.org/2000/svg" d="m151.61 14.24 16.58-4v79.88q0 13.13 7.83 15.65-3.84 7.31-13.13 7.3-11.28 0-11.28-15.66z"/><path d="m186.66 111.72v-57.42h-9.08v-13.6h25.86v71zm8.56-98.54a9.62 9.62 0 1 1 -9.62 9.62 9.63 9.63 0 0 1 9.62-9.62z"/><path d="m262.94 111.74v-41.06c0-6.05-1.16-10.48-3.48-13.26s-6.11-4.18-11.37-4.18a17.74 17.74 0 0 0 -7.8 2.06 18 18 0 0 0 -6.46 5.1v51.34h-16.59v-71h11.94l3 6.64q6.76-8 20-8 12.66 0 20 7.59t7.33 21.19v43.58z"/><path d="m288.42 76.06q0-16.26 9.38-26.47t24.77-10.21q16.19 0 25.14 9.82t9 26.86q0 17-9.12 27t-25 10q-16.18 0-25.17-10.12t-9-26.88zm17.24 0q0 23.47 16.91 23.48a14.54 14.54 0 0 0 12.31-6.11q4.55-6.09 4.54-17.37 0-23.14-16.85-23.15a14.61 14.61 0 0 0 -12.33 6.09q-4.58 6.11-4.58 17.06z"/><path d="m412.37 111.74v-4.31c-1.37 1.5-3.71 2.82-7 3.95a31.33 31.33 0 0 1 -10.15 1.69q-14.87 0-23.38-9.42t-8.52-26.27q0-16.84 9.78-27.42a32 32 0 0 1 24.51-10.58 32.37 32.37 0 0 1 14.72 3.32v-28.46l16.58-4v101.5zm0-54.06a17.6 17.6 0 0 0 -11.07-4.24q-10 0-15.33 6.07t-5.37 17.41q0 22.15 21.36 22.15a16.11 16.11 0 0 0 5.87-1.42c2.32-1 3.83-1.92 4.54-2.89z"/><path d="m505.55 81.3h-50.74q.46 8.49 5.83 13.2t14.46 4.7q11.34 0 17.25-5.9l6.43 12.7q-8.75 7.09-26.13 7.1-16.25 0-25.7-9.52t-9.45-26.58q0-16.78 10.38-27.2a33.91 33.91 0 0 1 24.9-10.41q15.45 0 24.81 9.22t9.35 23.48a46.28 46.28 0 0 1 -1.39 9.21zm-50.15-12.47h34.89q-1.73-15.58-17.24-15.59-14.2 0-17.65 15.59z"/></svg>
|
||||
|
Before Width: | Height: | Size: 3.1 KiB After Width: | Height: | Size: 3.1 KiB |
-228
@@ -1,228 +0,0 @@
|
||||
#!/usr/bin/env sh
|
||||
set -eu
|
||||
|
||||
# Links to scripts/configs
|
||||
scripts="https://raw.githubusercontent.com/simplex-chat/simplexmq/stable/scripts/main"
|
||||
scripts_systemd_smp="$scripts/smp-server.service"
|
||||
scripts_systemd_xftp="$scripts/xftp-server.service"
|
||||
scripts_update="$scripts/simplex-servers-update"
|
||||
scripts_uninstall="$scripts/simplex-servers-uninstall"
|
||||
scripts_stopscript="$scripts/simplex-servers-stopscript"
|
||||
|
||||
# Default installation paths
|
||||
path_bin="/usr/local/bin"
|
||||
path_bin_smp="$path_bin/smp-server"
|
||||
path_bin_xftp="$path_bin/xftp-server"
|
||||
path_bin_update="$path_bin/simplex-servers-update"
|
||||
path_bin_uninstall="$path_bin/simplex-servers-uninstall"
|
||||
path_bin_stopscript="$path_bin/simplex-servers-stopscript"
|
||||
|
||||
path_conf_etc="/etc/opt"
|
||||
path_conf_var="/var/opt"
|
||||
path_conf_smp="$path_conf_etc/simplex $path_conf_var/simplex"
|
||||
path_conf_xftp="$path_conf_etc/simplex-xftp $path_conf_var/simplex-xftp /srv/xftp"
|
||||
|
||||
path_conf_info="$path_conf_etc/simplex-info"
|
||||
|
||||
path_systemd="/etc/systemd/system"
|
||||
path_systemd_smp="$path_systemd/smp-server.service"
|
||||
path_systemd_xftp="$path_systemd/xftp-server.service"
|
||||
|
||||
# Defaut users
|
||||
user_smp="smp"
|
||||
user_xftp="xftp"
|
||||
|
||||
GRN='\033[0;32m'
|
||||
BLU='\033[1;34m'
|
||||
YLW='\033[1;33m'
|
||||
RED='\033[0;31m'
|
||||
NC='\033[0m'
|
||||
|
||||
logo='
|
||||
____ _ _ __ __
|
||||
/ ___|(_)_ __ ___ _ __ | | ___\ \/ /
|
||||
\___ \| | '"'"'_ ` _ \| '"'"'_ \| |/ _ \\ /
|
||||
___) | | | | | | | |_) | | __// \
|
||||
|____/|_|_| |_| |_| .__/|_|\___/_/\_\
|
||||
|_|
|
||||
'
|
||||
|
||||
welcome="Welcome to SMP/XFTP installation script! Here's what we're going to do:
|
||||
${GRN}1.${NC} Install latest binaries from GitHub releases:
|
||||
- smp: ${YLW}${path_bin_smp}${NC}
|
||||
- xftp: ${YLW}${path_bin_xftp}${NC}
|
||||
${GRN}2.${NC} Create server directories:
|
||||
- smp: ${YLW}${path_conf_smp}${NC}
|
||||
- xftp: ${YLW}${path_conf_xftp}${NC}
|
||||
${GRN}3.${NC} Setup user for server:
|
||||
- xmp: ${YLW}${user_smp}${NC}
|
||||
- xftp: ${YLW}${user_xftp}${NC}
|
||||
${GRN}4.${NC} Create systemd services:
|
||||
- smp: ${YLW}${path_systemd_smp}${NC}
|
||||
- xftp: ${YLW}${path_systemd_xftp}${NC}
|
||||
${GRN}5.${NC} Install stopscript (systemd), update and uninstallation script:
|
||||
- all: ${YLW}${path_bin_update}${NC}, ${YLW}${path_bin_uninstall}${NC}, ${YLW}${path_bin_stopscript}${NC}
|
||||
|
||||
Press:
|
||||
- ${GRN}1${NC} to install smp server
|
||||
- ${GRN}2${NC} to install xftp server
|
||||
- ${RED}Ctrl+C${NC} to cancel installation
|
||||
|
||||
Selection: "
|
||||
|
||||
end="Installtion is complete!
|
||||
|
||||
Please checkout our server guides:
|
||||
- smp: ${GRN}https://simplex.chat/docs/server.html${NC}
|
||||
- xftp: ${GRN}https://simplex.chat/docs/xftp-server.html${NC}
|
||||
|
||||
To uninstall with full clean-up, simply run: ${YLW}sudo /usr/local/bin/simplex-servers-uninstall${NC}
|
||||
"
|
||||
|
||||
set_version() {
|
||||
ver="${VER:-latest}"
|
||||
|
||||
case "$ver" in
|
||||
latest)
|
||||
bin="https://github.com/simplex-chat/simplexmq/releases/latest/download"
|
||||
remote_version="$(curl --proto '=https' --tlsv1.2 -sSf -L https://api.github.com/repos/simplex-chat/simplexmq/releases/latest | grep -i "tag_name" | awk -F \" '{print $4}')"
|
||||
;;
|
||||
*)
|
||||
bin="https://github.com/simplex-chat/simplexmq/releases/download/${ver}"
|
||||
remote_version="${ver}"
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
os_test() {
|
||||
. /etc/os-release
|
||||
|
||||
case "$VERSION_ID" in
|
||||
20.04|22.04) : ;;
|
||||
24.04) VERSION_ID='22.04' ;;
|
||||
*) printf "${RED}Unsupported Ubuntu version!${NC}\nPlease file Github issue with request to support Ubuntu %s: https://github.com/simplex-chat/simplexmq/issues/new\n" "$VERSION_ID" && exit 1 ;;
|
||||
esac
|
||||
|
||||
version="$(printf '%s' "$VERSION_ID" | tr '.' '_')"
|
||||
arch="$(uname -p)"
|
||||
|
||||
case "$arch" in
|
||||
x86_64) arch="$(printf '%s' "$arch" | tr '_' '-')" ;;
|
||||
*) printf "${RED}Unsupported architecture!${NC}\nPlease file Github issue with request to support %s architecture: https://github.com/simplex-chat/simplexmq/issues/new" "$arch" && exit 1 ;;
|
||||
esac
|
||||
|
||||
bin_smp="$bin/smp-server-ubuntu-${version}-${arch}"
|
||||
bin_xftp="$bin/xftp-server-ubuntu-${version}-${arch}"
|
||||
}
|
||||
|
||||
setup_bins() {
|
||||
eval "bin=\$bin_${1}"
|
||||
eval "path=\$path_bin_${1}"
|
||||
|
||||
curl --proto '=https' --tlsv1.2 -sSf -L "$bin" -o "$path" && chmod +x "$path"
|
||||
|
||||
unset bin path
|
||||
}
|
||||
|
||||
setup_users() {
|
||||
eval "user=\$user_${1}"
|
||||
|
||||
useradd -M "$user" 2> /dev/null || true
|
||||
|
||||
unset user
|
||||
}
|
||||
|
||||
setup_dirs() {
|
||||
# Unquoted varibles, so field splitting can occur
|
||||
eval "path_conf=\$path_conf_${1}"
|
||||
eval "user=\$user_${1}"
|
||||
|
||||
mkdir -p $path_conf
|
||||
mkdir -p $path_conf_info
|
||||
printf "local_version_%s='%s'\n" "$1" "$remote_version" >> "$path_conf_info/release"
|
||||
chown -R "$user":"$user" $path_conf
|
||||
|
||||
unset path_conf user
|
||||
}
|
||||
|
||||
setup_systemd() {
|
||||
eval "scripts_systemd=\$scripts_systemd_${1}"
|
||||
eval "path_systemd=\$path_systemd_${1}"
|
||||
|
||||
curl --proto '=https' --tlsv1.2 -sSf -L "$scripts_systemd" -o "$path_systemd"
|
||||
|
||||
unset scripts_systemd path_systemd
|
||||
}
|
||||
|
||||
setup_scripts() {
|
||||
curl --proto '=https' --tlsv1.2 -sSf -L "$scripts_update" -o "$path_bin_update" && chmod +x "$path_bin_update"
|
||||
curl --proto '=https' --tlsv1.2 -sSf -L "$scripts_uninstall" -o "$path_bin_uninstall" && chmod +x "$path_bin_uninstall"
|
||||
curl --proto '=https' --tlsv1.2 -sSf -L "$scripts_stopscript" -o "$path_bin_stopscript" && chmod +x "$path_bin_stopscript"
|
||||
}
|
||||
|
||||
checks() {
|
||||
if [ "$(id -u)" -ne 0 ]; then
|
||||
printf "This script is intended to be run with root privileges. Please re-run script using sudo."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
set_version
|
||||
os_test
|
||||
|
||||
mkdir -p $path_conf_info
|
||||
}
|
||||
|
||||
main() {
|
||||
checks
|
||||
|
||||
printf "%b\n%b" "${BLU}$logo${NC}" "$welcome"
|
||||
read ans
|
||||
|
||||
case "$ans" in
|
||||
1) setup='smp' ;;
|
||||
2) setup='xftp' ;;
|
||||
*) printf 'Installation aborted.\n' && exit 0 ;;
|
||||
esac
|
||||
|
||||
printf "Installing binaries..."
|
||||
|
||||
for i in $setup; do
|
||||
setup_bins "$i"
|
||||
done
|
||||
|
||||
printf "${GRN} Done!${NC}\n"
|
||||
|
||||
printf "Creating users..."
|
||||
|
||||
for i in $setup; do
|
||||
setup_users "$i"
|
||||
done
|
||||
|
||||
printf "${GRN} Done!${NC}\n"
|
||||
|
||||
printf "Creating directories..."
|
||||
|
||||
for i in $setup; do
|
||||
setup_dirs "$i"
|
||||
done
|
||||
|
||||
printf "${GRN} Done!${NC}\n"
|
||||
|
||||
printf "Creating systemd services..."
|
||||
|
||||
for i in $setup; do
|
||||
setup_systemd "$i"
|
||||
done
|
||||
|
||||
printf "${GRN} Done!${NC}\n"
|
||||
|
||||
printf "Installing stopscript, update and uninstallation script..."
|
||||
|
||||
setup_scripts
|
||||
|
||||
printf "${GRN} Done!${NC}\n"
|
||||
|
||||
printf "%b" "$end"
|
||||
}
|
||||
|
||||
main
|
||||
+111
@@ -0,0 +1,111 @@
|
||||
name: simplexmq
|
||||
version: 1.0.2
|
||||
synopsis: SimpleXMQ message broker
|
||||
description: |
|
||||
This package includes <./docs/Simplex-Messaging-Server.html server>,
|
||||
<./docs/Simplex-Messaging-Client.html client> and
|
||||
<./docs/Simplex-Messaging-Agent.html agent> for SMP protocols:
|
||||
.
|
||||
* <https://github.com/simplex-chat/simplexmq/blob/master/protocol/simplex-messaging.md SMP protocol>
|
||||
* <https://github.com/simplex-chat/simplexmq/blob/master/protocol/agent-protocol.md SMP agent protocol>
|
||||
.
|
||||
See <https://github.com/simplex-chat/simplex-chat terminal chat prototype> built with SimpleXMQ broker.
|
||||
|
||||
homepage: https://github.com/simplex-chat/simplexmq#readme
|
||||
license: AGPL-3
|
||||
author: simplex.chat
|
||||
maintainer: chat@simplex.chat
|
||||
copyright: 2020-2022 simplex.chat
|
||||
category: Chat, Network, Web, System, Cryptography
|
||||
extra-source-files:
|
||||
- README.md
|
||||
- CHANGELOG.md
|
||||
|
||||
dependencies:
|
||||
- aeson == 2.0.*
|
||||
- ansi-terminal >= 0.10 && < 0.12
|
||||
- asn1-encoding == 0.9.*
|
||||
- asn1-types == 0.3.*
|
||||
- async == 2.2.*
|
||||
- attoparsec == 0.14.*
|
||||
- base >= 4.7 && < 5
|
||||
- base64-bytestring >= 1.0 && < 1.3
|
||||
- bytestring == 0.10.*
|
||||
- composition == 1.0.*
|
||||
- constraints >= 0.12 && < 0.14
|
||||
- containers == 0.6.*
|
||||
- cryptonite >= 0.27 && < 0.30
|
||||
- cryptostore == 0.2.*
|
||||
- data-default == 0.7.*
|
||||
- direct-sqlite == 2.3.*
|
||||
- directory == 1.3.*
|
||||
- filepath == 1.4.*
|
||||
- http-types == 0.12.*
|
||||
- generic-random >= 1.3 && < 1.5
|
||||
- iso8601-time == 0.1.*
|
||||
- memory == 0.15.*
|
||||
- mtl == 2.2.*
|
||||
- network == 3.1.*
|
||||
- network-transport == 0.5.*
|
||||
- postgresql-simple == 0.6.*
|
||||
- QuickCheck == 2.14.*
|
||||
- random >= 1.1 && < 1.3
|
||||
- simple-logger == 0.1.*
|
||||
- sqlite-simple == 0.4.*
|
||||
- stm == 2.5.*
|
||||
- template-haskell == 2.16.*
|
||||
- text == 1.2.*
|
||||
- time == 1.9.*
|
||||
- tls >= 1.5.7 && < 1.6
|
||||
- transformers == 0.5.*
|
||||
- unliftio == 0.2.*
|
||||
- unliftio-core == 0.2.*
|
||||
- websockets == 0.12.*
|
||||
- x509 == 1.7.*
|
||||
- x509-store == 1.6.*
|
||||
- x509-validation == 1.6.*
|
||||
|
||||
library:
|
||||
source-dirs: src
|
||||
|
||||
executables:
|
||||
smp-server:
|
||||
source-dirs: apps/smp-server
|
||||
main: Main.hs
|
||||
dependencies:
|
||||
- ini == 0.4.*
|
||||
- optparse-applicative >= 0.15 && < 0.17
|
||||
- process == 1.6.*
|
||||
- simplexmq
|
||||
ghc-options:
|
||||
- -threaded
|
||||
|
||||
smp-agent:
|
||||
source-dirs: apps/smp-agent
|
||||
main: Main.hs
|
||||
dependencies:
|
||||
- simplexmq
|
||||
ghc-options:
|
||||
- -threaded
|
||||
|
||||
tests:
|
||||
smp-server-test:
|
||||
source-dirs: tests
|
||||
main: Test.hs
|
||||
dependencies:
|
||||
- simplexmq
|
||||
- hspec == 2.7.*
|
||||
- hspec-core == 2.7.*
|
||||
- HUnit == 1.6.*
|
||||
- QuickCheck == 2.14.*
|
||||
- timeit == 2.0.*
|
||||
|
||||
ghc-options:
|
||||
# - -haddock
|
||||
- -Wall
|
||||
- -Wcompat
|
||||
- -Werror=incomplete-patterns
|
||||
- -Wredundant-constraints
|
||||
- -Wincomplete-record-updates
|
||||
- -Wincomplete-uni-patterns
|
||||
- -Wunused-type-patterns
|
||||
@@ -1,472 +0,0 @@
|
||||
# XFTP Server PostgreSQL Backend
|
||||
|
||||
## Overview
|
||||
|
||||
Add PostgreSQL backend support to xftp-server, following the SMP server pattern. Supports bidirectional migration between STM (in-memory with StoreLog) and PostgreSQL backends.
|
||||
|
||||
## Goals
|
||||
|
||||
- PostgreSQL-backed file metadata storage as an alternative to STM + StoreLog
|
||||
- Polymorphic server code via `FileStoreClass` typeclass with IO-based methods (following `QueueStoreClass` pattern)
|
||||
- Bidirectional migration: StoreLog <-> PostgreSQL via CLI commands
|
||||
- Shared `server_postgres` cabal flag (same flag enables both SMP and XFTP Postgres support)
|
||||
- INI-based backend selection at runtime
|
||||
|
||||
## Architecture
|
||||
|
||||
### FileStoreClass Typeclass
|
||||
|
||||
IO-based typeclass following the `QueueStoreClass` pattern — each method is a self-contained IO action, with the implementation responsible for its own atomicity (STM backend wraps in `atomically`, Postgres backend uses database transactions):
|
||||
|
||||
```haskell
|
||||
class FileStoreClass s where
|
||||
type FileStoreConfig s
|
||||
|
||||
-- Lifecycle
|
||||
newFileStore :: FileStoreConfig s -> IO s
|
||||
closeFileStore :: s -> IO ()
|
||||
|
||||
-- File operations
|
||||
addFile :: s -> SenderId -> FileInfo -> RoundedFileTime -> ServerEntityStatus -> IO (Either XFTPErrorType ())
|
||||
setFilePath :: s -> SenderId -> FilePath -> IO (Either XFTPErrorType ())
|
||||
addRecipient :: s -> SenderId -> FileRecipient -> IO (Either XFTPErrorType ())
|
||||
getFile :: s -> SFileParty p -> XFTPFileId -> IO (Either XFTPErrorType (FileRec, C.APublicAuthKey))
|
||||
deleteFile :: s -> SenderId -> IO (Either XFTPErrorType ())
|
||||
blockFile :: s -> SenderId -> BlockingInfo -> Bool -> IO (Either XFTPErrorType ())
|
||||
deleteRecipient :: s -> RecipientId -> FileRec -> IO ()
|
||||
ackFile :: s -> RecipientId -> IO (Either XFTPErrorType ())
|
||||
|
||||
-- Expiration (with LIMIT for Postgres; called in a loop until empty)
|
||||
expiredFiles :: s -> Int64 -> Int -> IO [(SenderId, Maybe FilePath, Word32)]
|
||||
|
||||
-- Storage and stats (for init-time computation)
|
||||
getUsedStorage :: s -> IO Int64
|
||||
getFileCount :: s -> IO Int
|
||||
```
|
||||
|
||||
- STM backend: each method wraps its STM transaction in `atomically` internally.
|
||||
- Postgres backend: each method runs its query via `withDB` / database connection internally.
|
||||
|
||||
No polymorphic monad or `runStore` dispatcher needed — unlike `MsgStoreClass`, XFTP file operations are individually atomic and don't require grouping multiple operations into backend-dependent transactions.
|
||||
|
||||
### PostgresFileStore Data Type
|
||||
|
||||
```haskell
|
||||
data PostgresFileStore = PostgresFileStore
|
||||
{ dbStore :: DBStore,
|
||||
dbStoreLog :: Maybe (StoreLog 'WriteMode)
|
||||
}
|
||||
```
|
||||
|
||||
- `dbStore` — connection pool created via `createDBStore`, runs schema migrations on init.
|
||||
- `dbStoreLog` — optional parallel log file (enabled by `db_store_log` INI setting). When present, every mutation (`addFile`, `setFilePath`, `deleteFile`, `blockFile`, `addRecipient`, `ackFile`) also writes to this log via a `withLog` wrapper. `withLog` is called AFTER the DB operation succeeds (so the log reflects committed state only). Log write failures are non-fatal (logged as warnings, do not fail the DB operation). This provides an audit trail and enables recovery via export.
|
||||
|
||||
`closeFileStore` for Postgres calls `closeDBStore` (closes connection pool) then `mapM_ closeStoreLog dbStoreLog` (flushes and closes the parallel log). For STM, it closes the storeLog. Called from a `finally` block during server shutdown, matching SMP's `stopServer` → `closeMsgStore` → `closeQueueStore` pattern.
|
||||
|
||||
### STMFileStore Type
|
||||
|
||||
After extracting from current `Store.hs`, `STMFileStore` retains the file and recipient maps but no longer owns `usedStorage` (moved to `XFTPEnv`):
|
||||
|
||||
```haskell
|
||||
data STMFileStore = STMFileStore
|
||||
{ files :: TMap SenderId FileRec,
|
||||
recipients :: TMap RecipientId (SenderId, RcvPublicAuthKey)
|
||||
}
|
||||
```
|
||||
|
||||
`closeFileStore` for STM is a no-op (TMaps are garbage-collected; the env-level `storeLog` is closed separately by the server).
|
||||
|
||||
### Error Handling
|
||||
|
||||
Postgres operations follow SMP's `withDB` / `handleDuplicate` pattern:
|
||||
|
||||
```haskell
|
||||
withDB :: Text -> PostgresFileStore -> (DB.Connection -> IO (Either XFTPErrorType a)) -> ExceptT XFTPErrorType IO a
|
||||
withDB op st action =
|
||||
ExceptT $ E.try (withTransaction (dbStore st) action) >>= either logErr pure
|
||||
where
|
||||
logErr :: E.SomeException -> IO (Either XFTPErrorType a)
|
||||
logErr e = logError ("STORE: " <> err) $> Left INTERNAL
|
||||
where
|
||||
err = op <> ", withDB, " <> tshow e
|
||||
|
||||
handleDuplicate :: SqlError -> IO (Either XFTPErrorType a)
|
||||
handleDuplicate e = case constraintViolation e of
|
||||
Just (UniqueViolation _) -> pure $ Left DUPLICATE_
|
||||
_ -> E.throwIO e
|
||||
```
|
||||
|
||||
- All DB operations wrapped in `withDB` — catches exceptions, logs, returns `INTERNAL`.
|
||||
- Unique constraint violations caught by `handleDuplicate` and mapped to `DUPLICATE_`.
|
||||
- UPDATE operations verified with `assertUpdated` — returns `AUTH` if 0 rows affected (matching SMP pattern, prevents silent failures when WHERE clause doesn't match).
|
||||
- Critical sections (DB write + TVar update) wrapped in `uninterruptibleMask_` to prevent async exceptions from leaving inconsistent state between DB and TVars.
|
||||
|
||||
### FileRec and TVar Fields
|
||||
|
||||
`FileRec` retains its `TVar` fields (matching SMP's `PostgresQueue` pattern):
|
||||
|
||||
```haskell
|
||||
data FileRec = FileRec
|
||||
{ senderId :: SenderId,
|
||||
fileInfo :: FileInfo,
|
||||
filePath :: TVar (Maybe FilePath),
|
||||
recipientIds :: TVar (Set RecipientId),
|
||||
createdAt :: RoundedFileTime,
|
||||
fileStatus :: TVar ServerEntityStatus
|
||||
}
|
||||
```
|
||||
|
||||
- **STM backend**: TVars are the source of truth, as currently.
|
||||
- **Postgres backend**: `getFile` reads from DB and creates a `FileRec` with fresh TVars populated from the DB row (matching SMP's `mkQ` pattern — `newTVarIO` per load). Mutation methods (`setFilePath`, `blockFile`, etc.) update both the DB (persistence) and the TVars (in-session consistency). The `recipientIds` TVar is initialized to `S.empty` — no subquery needed because no server code reads `recipientIds` directly; all recipient operations go through the typeclass methods (`addRecipient`, `deleteRecipient`, `ackFile`), which query the `recipients` table for Postgres.
|
||||
|
||||
### usedStorage Ownership
|
||||
|
||||
`usedStorage :: TVar Int64` moves from the store to `XFTPEnv`. The store typeclass does **not** manage `usedStorage` — it only provides `getUsedStorage` for init-time computation.
|
||||
|
||||
- **STM init**: StoreLog replay calls `setFilePath` (which only sets the filePath TVar — the STM `setFilePath` implementation is changed to **not** update `usedStorage`). Similarly, STM `deleteFile` (Store.hs line 117) and `blockFile` (line 125) are changed to **not** update `usedStorage` — the server handles all `usedStorage` adjustments externally. After replay, `getUsedStorage` computes the sum over all file sizes (matching current `countUsedStorage` behavior).
|
||||
- **Postgres init**: `getUsedStorage` executes `SELECT COALESCE(SUM(file_size), 0) FROM files`.
|
||||
- **Runtime**: Server manages `usedStorage` TVar directly for reserve/commit/rollback during uploads, and adjusts after `deleteFile`/`blockFile` calls.
|
||||
|
||||
**Note on `getUsedStorage` semantics**: The current STM `countUsedStorage` sums all file sizes unconditionally (including files without `filePath` set, i.e., created but not yet uploaded). The Postgres `getUsedStorage` matches this: `SELECT SUM(file_size) FROM files` (no `WHERE file_path IS NOT NULL`). In practice, orphaned files (created but never uploaded) are rare and short-lived (expired within 48h), so the difference is negligible. A future improvement could filter by `file_path IS NOT NULL` in both backends to reflect actual disk usage more accurately.
|
||||
|
||||
### Server.hs Refactoring
|
||||
|
||||
`Server.hs` becomes polymorphic over `FileStoreClass s`. Since all typeclass methods are IO, call sites replace `atomically` with direct IO calls to the store.
|
||||
|
||||
**Call sites requiring changes** (exhaustive list):
|
||||
|
||||
1. **`receiveServerFile`** (line 563): `atomically $ writeTVar filePath (Just fPath)` → `setFilePath store senderId fPath`. The `reserve` logic (line 551-555) stays as direct TVar manipulation on `usedStorage` from `XFTPEnv`.
|
||||
|
||||
2. **`verifyXFTPTransmission`** (line 453): `atomically $ verify =<< getFile st party fId` — the `getFile` call and subsequent `readTVar fileStatus` are in a single `atomically` block. Refactored to: `getFile st party fId` (IO), then `readTVarIO (fileStatus fr)` from the returned `FileRec` (safe for both backends — STM TVar is the source of truth, Postgres TVar is a fresh snapshot from DB).
|
||||
|
||||
3. **`retryAdd`** (line 516): Signature `XFTPFileId -> STM (Either XFTPErrorType a)` → `XFTPFileId -> IO (Either XFTPErrorType a)`. The `atomically` call (line 520) replaced with `liftIO`.
|
||||
|
||||
4. **`deleteOrBlockServerFile_`** (line 620): Parameter `FileStore -> STM (Either XFTPErrorType ())` → `FileStoreClass s => s -> IO (Either XFTPErrorType ())`. The `atomically` call (line 626) removed — the store method is already IO. After the store action, server adjusts `usedStorage` TVar in `XFTPEnv` based on `fileInfo.size`.
|
||||
|
||||
5. **`ackFileReception`** (line 605): `atomically $ deleteRecipient st rId fr` → `deleteRecipient st rId fr`.
|
||||
|
||||
6. **Control port `CPDelete`/`CPBlock`** (lines 371, 377): `atomically $ getFile fs SFRecipient fileId` → `getFile fs SFRecipient fileId`.
|
||||
|
||||
7. **`expireServerFiles`** (line 636): Replace per-file `expiredFilePath` iteration with batched `expiredFiles st old batchSize`, which returns `[(SenderId, Maybe FilePath, Word32)]` — the `Word32` file size is needed so the server can adjust the `usedStorage` TVar after each deletion. Called in a loop until the returned list is empty. The `itemDelay` between files applies to the deletion loop over each batch, not the query itself. STM backend ignores the batch size limit (returns all expired files from TMap scan); Postgres uses `LIMIT`.
|
||||
|
||||
8. **`restoreServerStats`** (line 694): `FileStore {files, usedStorage} <- asks store` accesses store fields directly. Refactored to: `usedStorage` from `XFTPEnv` via `asks usedStorage`, file count via `getFileCount store`. STM: `M.size <$> readTVarIO files`. Postgres: `SELECT COUNT(*) FROM files`.
|
||||
|
||||
### Store Config Selection
|
||||
|
||||
GADT in `Env.hs`:
|
||||
|
||||
```haskell
|
||||
data XFTPStoreConfig s where
|
||||
XSCMemory :: Maybe FilePath -> XFTPStoreConfig STMFileStore
|
||||
#if defined(dbServerPostgres)
|
||||
XSCDatabase :: PostgresFileStoreCfg -> XFTPStoreConfig PostgresFileStore
|
||||
#endif
|
||||
```
|
||||
|
||||
`XFTPEnv` becomes polymorphic:
|
||||
|
||||
```haskell
|
||||
data XFTPEnv s = XFTPEnv
|
||||
{ config :: XFTPServerConfig,
|
||||
store :: s,
|
||||
usedStorage :: TVar Int64,
|
||||
storeLog :: Maybe (StoreLog 'WriteMode),
|
||||
...
|
||||
}
|
||||
```
|
||||
|
||||
The `M` monad (`ReaderT (XFTPEnv s) IO`) and all functions in `Server.hs` gain `FileStoreClass s =>` constraints.
|
||||
|
||||
**StoreLog lifecycle per backend:**
|
||||
|
||||
- **STM mode**: `storeLog = Just sl` (current behavior — append-only log for persistence and recovery).
|
||||
- **Postgres mode**: `storeLog = Nothing` (main storeLog disabled — Postgres is the source of truth). The optional parallel `dbStoreLog` inside `PostgresFileStore` provides audit/recovery if enabled via `db_store_log` INI setting.
|
||||
|
||||
The existing `withFileLog` pattern in Server.hs continues to work unchanged — it maps over `Maybe (StoreLog 'WriteMode)`, which is `Nothing` in Postgres mode so the calls become no-ops.
|
||||
|
||||
### Main.hs Store Type Dispatch
|
||||
|
||||
The `Start` CLI command gains a `--confirm-migrations` flag (default `MCConsole` — manual prompt, matching SMP's `StartOptions`). For automated deployments, `--confirm-migrations up` auto-applies forward migrations. The import command uses `MCYesUp` (always auto-apply).
|
||||
|
||||
Following SMP's existential dispatch pattern (`AStoreType` + `run`), `Main.hs` selects the store type from INI config and dispatches to the polymorphic server:
|
||||
|
||||
```haskell
|
||||
runServer ini = do
|
||||
let storeType = fromRight "memory" $ lookupValue "STORE_LOG" "store_files" ini
|
||||
case storeType of
|
||||
"memory" -> run $ XSCMemory (enableStoreLog $> storeLogFilePath)
|
||||
"database" ->
|
||||
#if defined(dbServerPostgres)
|
||||
run $ XSCDatabase PostgresFileStoreCfg {..}
|
||||
#else
|
||||
exitError "server not compiled with Postgres support"
|
||||
#endif
|
||||
_ -> exitError $ "Invalid store_files value: " <> storeType
|
||||
where
|
||||
run :: FileStoreClass s => XFTPStoreConfig s -> IO ()
|
||||
run storeCfg = do
|
||||
env <- newXFTPServerEnv storeCfg config
|
||||
runReaderT (xftpServer config) env
|
||||
```
|
||||
|
||||
**`newXFTPServerEnv` refactored signature:**
|
||||
|
||||
```haskell
|
||||
newXFTPServerEnv :: FileStoreClass s => XFTPStoreConfig s -> XFTPServerConfig -> IO (XFTPEnv s)
|
||||
newXFTPServerEnv storeCfg config = do
|
||||
(store, storeLog) <- case storeCfg of
|
||||
XSCMemory storeLogPath -> do
|
||||
st <- newFileStore ()
|
||||
sl <- mapM (`readWriteFileStore` st) storeLogPath
|
||||
pure (st, sl)
|
||||
XSCDatabase dbCfg -> do
|
||||
st <- newFileStore dbCfg
|
||||
pure (st, Nothing) -- main storeLog disabled for Postgres
|
||||
usedStorage <- newTVarIO =<< getUsedStorage store
|
||||
...
|
||||
pure XFTPEnv {config, store, usedStorage, storeLog, ...}
|
||||
```
|
||||
|
||||
### Startup Config Validation
|
||||
|
||||
Following SMP's `checkMsgStoreMode` pattern, `Main.hs` validates config before starting:
|
||||
|
||||
- **`store_files=database` + StoreLog file exists** (without `db_store_log=on`): Error — "StoreLog file present but store_files is `database`. Use `xftp-server database import` to migrate, or set `db_store_log: on`."
|
||||
- **`store_files=database` + schema doesn't exist**: Error — "Create schema in PostgreSQL or use `xftp-server database import`."
|
||||
- **`store_files=memory` + Postgres schema exists**: Warning — "Postgres schema exists but store_files is `memory`. Data in Postgres will not be used."
|
||||
- **Binary compiled without `server_postgres` + `store_files=database`**: Error — "Server not compiled with Postgres support."
|
||||
|
||||
## Module Structure
|
||||
|
||||
```
|
||||
src/Simplex/FileTransfer/Server/
|
||||
Store.hs -- FileStoreClass typeclass + shared types (FileRec, FileRecipient, etc.)
|
||||
Store/
|
||||
STM.hs -- STMFileStore (extracted from current Store.hs)
|
||||
Postgres.hs -- PostgresFileStore [CPP-guarded]
|
||||
Postgres/
|
||||
Migrations.hs -- Schema migrations [CPP-guarded]
|
||||
Config.hs -- PostgresFileStoreCfg [CPP-guarded]
|
||||
StoreLog.hs -- Unchanged (interchange format for both backends + migration)
|
||||
Env.hs -- XFTPStoreConfig GADT, polymorphic XFTPEnv
|
||||
Main.hs -- Store selection, migration CLI commands
|
||||
Server.hs -- Polymorphic over FileStoreClass
|
||||
```
|
||||
|
||||
## PostgreSQL Schema
|
||||
|
||||
Initial migration (`20260325_initial`):
|
||||
|
||||
```sql
|
||||
CREATE TABLE files (
|
||||
sender_id BYTEA NOT NULL PRIMARY KEY,
|
||||
file_size INT4 NOT NULL,
|
||||
file_digest BYTEA NOT NULL,
|
||||
sender_key BYTEA NOT NULL,
|
||||
file_path TEXT,
|
||||
created_at INT8 NOT NULL,
|
||||
status TEXT NOT NULL DEFAULT 'active'
|
||||
);
|
||||
|
||||
CREATE TABLE recipients (
|
||||
recipient_id BYTEA NOT NULL PRIMARY KEY,
|
||||
sender_id BYTEA NOT NULL REFERENCES files ON DELETE CASCADE,
|
||||
recipient_key BYTEA NOT NULL
|
||||
);
|
||||
|
||||
CREATE INDEX idx_recipients_sender_id ON recipients (sender_id);
|
||||
CREATE INDEX idx_files_created_at ON files (created_at);
|
||||
```
|
||||
|
||||
- `file_size` is `INT4` matching `Word32` in `FileInfo.size`
|
||||
- `sender_key` and `recipient_key` stored as `BYTEA` using binary encoding via `C.encodePubKey` / `C.decodePubKey` (matching SMP's `ToField`/`FromField` instances for `APublicAuthKey` — includes algorithm type tag in the binary format)
|
||||
- `file_path` nullable (set after upload completes via `setFilePath`)
|
||||
- `ON DELETE CASCADE` for recipients when file is hard-deleted
|
||||
- `created_at` stores rounded epoch seconds (1-hour precision, `RoundedFileTime`)
|
||||
- `status` as TEXT via `StrEncoding` (`ServerEntityStatus`: `EntityActive`, `EntityBlocked info`, `EntityOff`)
|
||||
- Hard deletes (no `deleted_at` column)
|
||||
- No PL/pgSQL functions needed; `setFilePath` uses `WHERE file_path IS NULL` to prevent duplicate uploads (the `UPDATE` itself acquires a row-level lock)
|
||||
- `used_storage` computed on startup: `SELECT COALESCE(SUM(file_size), 0) FROM files` (matches STM `countUsedStorage` — all files, see usedStorage Ownership section)
|
||||
|
||||
### Migrations Module
|
||||
|
||||
Following SMP's `QueueStore/Postgres/Migrations.hs` pattern:
|
||||
|
||||
```haskell
|
||||
module Simplex.FileTransfer.Server.Store.Postgres.Migrations
|
||||
( xftpServerMigrations,
|
||||
)
|
||||
where
|
||||
|
||||
import Data.List (sortOn)
|
||||
import Data.Text (Text)
|
||||
import Simplex.Messaging.Agent.Store.Shared
|
||||
import Text.RawString.QQ (r)
|
||||
|
||||
xftpSchemaMigrations :: [(String, Text, Maybe Text)]
|
||||
xftpSchemaMigrations =
|
||||
[ ("20260325_initial", m20260325_initial, Nothing)
|
||||
]
|
||||
|
||||
xftpServerMigrations :: [Migration]
|
||||
xftpServerMigrations = sortOn name $ map migration xftpSchemaMigrations
|
||||
where
|
||||
migration (name, up, down) = Migration {name, up, down = down}
|
||||
|
||||
m20260325_initial :: Text
|
||||
m20260325_initial =
|
||||
[r|
|
||||
CREATE TABLE files (
|
||||
sender_id BYTEA NOT NULL PRIMARY KEY,
|
||||
...
|
||||
);
|
||||
|]
|
||||
```
|
||||
|
||||
The `Migration` type (from `Simplex.Messaging.Agent.Store.Shared`) has fields `{name :: String, up :: Text, down :: Maybe Text}`. Initial migration has `Nothing` for `down`. Future migrations should include `Just down_migration` for rollback support. Called via `createDBStore dbOpts xftpServerMigrations (MigrationConfig confirmMigrations Nothing)`.
|
||||
|
||||
### Postgres Operations
|
||||
|
||||
Key query patterns:
|
||||
|
||||
- **`addFile`**: `INSERT INTO files (...) VALUES (...)`, return `DUPLICATE_` on unique violation.
|
||||
- **`setFilePath`**: `UPDATE files SET file_path = ? WHERE sender_id = ? AND file_path IS NULL`, verified with `assertUpdated` (returns `AUTH` if 0 rows affected — file not found or already uploaded). The `WHERE file_path IS NULL` prevents duplicate uploads; the `UPDATE` acquires a row lock implicitly. Only persists the path; `usedStorage` managed by server.
|
||||
- **`addRecipient`**: `INSERT INTO recipients (...)`, plus check for duplicates. No need for `recipientIds` TVar update — Postgres derives it from the table.
|
||||
- **`getFile`** (sender): `SELECT ... FROM files WHERE sender_id = ?`, returns auth key from `sender_key` column.
|
||||
- **`getFile`** (recipient): `SELECT f.*, r.recipient_key FROM recipients r JOIN files f ON ... WHERE r.recipient_id = ?`.
|
||||
- **`deleteFile`**: `DELETE FROM files WHERE sender_id = ?` (recipients cascade).
|
||||
- **`blockFile`**: `UPDATE files SET status = ? WHERE sender_id = ?`. When `deleted = True`, the server adjusts `usedStorage` externally (matching current STM behavior where `blockFile` only updates status and storage, not `filePath`).
|
||||
- **`expiredFiles`**: `SELECT sender_id, file_path, file_size FROM files WHERE created_at + ? < ? LIMIT ?` — batched query replaces per-file iteration, includes `file_size` for `usedStorage` adjustment. Called in a loop until no rows returned.
|
||||
|
||||
## INI Configuration
|
||||
|
||||
New keys in `[STORE_LOG]` section:
|
||||
|
||||
```ini
|
||||
[STORE_LOG]
|
||||
enable: on
|
||||
store_files: memory # memory | database
|
||||
db_connection: postgresql://xftp@/xftp_server_store
|
||||
db_schema: xftp_server
|
||||
db_pool_size: 10
|
||||
db_store_log: off
|
||||
expire_files_hours: 48
|
||||
```
|
||||
|
||||
`store_files` selects the backend (`store_files` rather than `store_queues` because XFTP stores files, not queues):
|
||||
- `memory` -> `XSCMemory` (current behavior)
|
||||
- `database` -> `XSCDatabase` (requires `server_postgres` build flag)
|
||||
|
||||
### INI Template Generation (`xftp-server init`)
|
||||
|
||||
The `iniFileContent` function in `Main.hs` must be updated to generate the new keys in the `[STORE_LOG]` section. Following SMP's `iniDbOpts` pattern with `optDisabled'` (prefixes `"# "` when value equals default), Postgres keys are generated commented out by default:
|
||||
|
||||
```ini
|
||||
[STORE_LOG]
|
||||
enable: on
|
||||
|
||||
# File storage mode: `memory` or `database` (PostgreSQL).
|
||||
store_files: memory
|
||||
|
||||
# Database connection settings for PostgreSQL database (`store_files: database`).
|
||||
# db_connection: postgresql://xftp@/xftp_server_store
|
||||
# db_schema: xftp_server
|
||||
# db_pool_size: 10
|
||||
|
||||
# Write database changes to store log file
|
||||
# db_store_log: off
|
||||
|
||||
expire_files_hours: 48
|
||||
```
|
||||
|
||||
Reuses `iniDBOptions` from `Simplex.Messaging.Server.CLI` for runtime parsing (falls back to defaults when keys are commented out or missing). `enableDbStoreLog'` pattern (`settingIsOn "STORE_LOG" "db_store_log"`) controls `dbStoreLogPath`.
|
||||
|
||||
### PostgresFileStoreCfg
|
||||
|
||||
```haskell
|
||||
data PostgresFileStoreCfg = PostgresFileStoreCfg
|
||||
{ dbOpts :: DBOpts,
|
||||
dbStoreLogPath :: Maybe FilePath,
|
||||
confirmMigrations :: MigrationConfirmation
|
||||
}
|
||||
```
|
||||
|
||||
No `deletedTTL` (hard deletes).
|
||||
|
||||
### Default DB Options
|
||||
|
||||
```haskell
|
||||
defaultXFTPDBOpts :: DBOpts
|
||||
defaultXFTPDBOpts =
|
||||
DBOpts
|
||||
{ connstr = "postgresql://xftp@/xftp_server_store",
|
||||
schema = "xftp_server",
|
||||
poolSize = 10,
|
||||
createSchema = False
|
||||
}
|
||||
```
|
||||
|
||||
## Migration CLI
|
||||
|
||||
Bidirectional migration via StoreLog as interchange format:
|
||||
|
||||
```
|
||||
xftp-server database import [--database DB_CONN] [--schema DB_SCHEMA] [--pool-size N]
|
||||
xftp-server database export [--database DB_CONN] [--schema DB_SCHEMA] [--pool-size N]
|
||||
```
|
||||
|
||||
No `--table` flag needed (unlike SMP which has queues/messages/all) — XFTP has a single entity type (files + recipients, always migrated together).
|
||||
|
||||
CLI options reuse `dbOptsP` parser from `Simplex.Messaging.Server.CLI`.
|
||||
|
||||
### Import (StoreLog -> PostgreSQL)
|
||||
|
||||
1. Confirm: prompt user with database connection details and StoreLog path
|
||||
2. Read and replay StoreLog into temporary `STMFileStore`
|
||||
3. Connect to PostgreSQL, run schema migrations (`createSchema = True`, `confirmMigrations = MCYesUp`)
|
||||
4. Batch-insert file records into `files` table using PostgreSQL COPY protocol (matching SMP's `batchInsertQueues` pattern for performance). Progress reported every 10k files.
|
||||
5. Batch-insert recipient records into `recipients` table using COPY protocol
|
||||
6. Verify counts: `SELECT COUNT(*) FROM files` / `recipients` — warn if mismatch
|
||||
7. Rename StoreLog to `.bak` (prevents accidental re-import, preserves original for rollback)
|
||||
8. Report counts
|
||||
|
||||
### Export (PostgreSQL -> StoreLog)
|
||||
|
||||
1. Confirm: prompt user with database connection details and output path. Fail if output file already exists.
|
||||
2. Connect to PostgreSQL
|
||||
3. Open new StoreLog file for writing
|
||||
4. Fold over all file records, writing per file (in this order, matching existing `writeFileStore`): `AddFile` (with `ServerEntityStatus` — this preserves `EntityBlocked` state), `AddRecipients`, then `PutFile` (if `file_path` is set)
|
||||
5. Report counts
|
||||
|
||||
Note: `AddFile` carries `ServerEntityStatus` which includes `EntityBlocked info`, so blocking state is preserved through export/import without needing separate `BlockFile` log entries.
|
||||
|
||||
File data on disk is untouched by migration — only metadata moves between backends.
|
||||
|
||||
## Cabal Integration
|
||||
|
||||
Shared `server_postgres` flag. New Postgres modules added to existing conditional block:
|
||||
|
||||
```cabal
|
||||
if flag(server_postgres)
|
||||
cpp-options: -DdbServerPostgres
|
||||
exposed-modules:
|
||||
...existing SMP modules...
|
||||
Simplex.FileTransfer.Server.Store.Postgres
|
||||
Simplex.FileTransfer.Server.Store.Postgres.Migrations
|
||||
Simplex.FileTransfer.Server.Store.Postgres.Config
|
||||
```
|
||||
|
||||
CPP guards (`#if defined(dbServerPostgres)`) in:
|
||||
- `Store.hs` — Postgres `FromField`/`ToField` instances for XFTP-specific types if needed
|
||||
- `Env.hs` — `XSCDatabase` constructor
|
||||
- `Main.hs` — database CLI commands, store selection for `database` mode, Postgres imports
|
||||
- `Server.hs` — Postgres-specific imports if needed
|
||||
|
||||
## Testing
|
||||
|
||||
- **Parameterized server tests**: Existing `xftpServerTests` refactored to accept a store type parameter (following SMP's `SpecWith (ASrvTransport, AStoreType)` pattern). The same server tests run against both STM and Postgres backends — STM tests run unconditionally, Postgres tests added under `#if defined(dbServerPostgres)` with `postgressBracket` for database lifecycle (drop → create → test → drop).
|
||||
- **Unit tests**: `PostgresFileStore` operations — add/get/delete/block/expire, duplicate detection, auth errors
|
||||
- **Migration round-trip**: STM store → export to StoreLog → import to Postgres → export back → verify StoreLog equality (including blocked file status)
|
||||
- **Tests location**: in `tests/` alongside existing XFTP tests, guarded by `server_postgres` CPP flag
|
||||
- **Test database**: PostgreSQL on `localhost:5432`, using a dedicated `xftp_server_test` schema (dropped and recreated per test run via `postgressBracket`, following SMP's test database lifecycle pattern)
|
||||
- **Test fixtures**: `testXFTPStoreDBOpts :: DBOpts` with `createSchema = True`, `confirmMigrations = MCYesUp`, in `tests/XFTPClient.hs`
|
||||
@@ -1,648 +0,0 @@
|
||||
# XFTP PostgreSQL Backend — Implementation Plan
|
||||
|
||||
> **For agentic workers:** REQUIRED: Use superpowers-extended-cc:subagent-driven-development (if subagents available) or superpowers-extended-cc:executing-plans to implement this plan. Steps use checkbox (`- [ ]`) syntax for tracking.
|
||||
|
||||
**Goal:** Add PostgreSQL backend support to xftp-server as an alternative to STM + StoreLog, with bidirectional migration.
|
||||
|
||||
**Architecture:** Introduce `FileStoreClass` typeclass (IO-based, following `QueueStoreClass` pattern). Extract current STM store into `Store/STM.hs`, make `Server.hs` polymorphic, then add `Store/Postgres.hs` behind `server_postgres` CPP flag. `usedStorage` moves from store to `XFTPEnv` so the server manages quota tracking externally.
|
||||
|
||||
**Tech Stack:** Haskell, postgresql-simple, STM, fourmolu, cabal with CPP flags
|
||||
|
||||
**Design spec:** `plans/2026-03-25-xftp-postgres-backend-design.md`
|
||||
|
||||
---
|
||||
|
||||
## File Structure
|
||||
|
||||
**Existing files modified:**
|
||||
- `src/Simplex/FileTransfer/Server/Store.hs` — rewritten: becomes typeclass + shared types
|
||||
- `src/Simplex/FileTransfer/Server/Env.hs` — polymorphic `XFTPEnv s`, `XFTPStoreConfig` GADT
|
||||
- `src/Simplex/FileTransfer/Server.hs` — polymorphic over `FileStoreClass s`
|
||||
- `src/Simplex/FileTransfer/Server/StoreLog.hs` — update for IO store functions
|
||||
- `src/Simplex/FileTransfer/Server/Main.hs` — INI config, dispatch, CLI commands
|
||||
- `simplexmq.cabal` — new modules
|
||||
- `tests/XFTPClient.hs` — Postgres test fixtures
|
||||
- `tests/Test.hs` — Postgres test group
|
||||
|
||||
**New files created:**
|
||||
- `src/Simplex/FileTransfer/Server/Store/STM.hs` — `STMFileStore` (extracted from current `Store.hs`)
|
||||
- `src/Simplex/FileTransfer/Server/Store/Postgres.hs` — `PostgresFileStore` [CPP-guarded]
|
||||
- `src/Simplex/FileTransfer/Server/Store/Postgres/Config.hs` — `PostgresFileStoreCfg` [CPP-guarded]
|
||||
- `src/Simplex/FileTransfer/Server/Store/Postgres/Migrations.hs` — schema SQL [CPP-guarded]
|
||||
- `tests/CoreTests/XFTPStoreTests.hs` — Postgres store unit tests [CPP-guarded]
|
||||
|
||||
---
|
||||
|
||||
## Task 1: Move `usedStorage` from `FileStore` to `XFTPEnv`
|
||||
|
||||
**Files:**
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Store.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Env.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server.hs`
|
||||
|
||||
- [ ] **Step 1: Remove `usedStorage` from `FileStore` in `Store.hs`**
|
||||
|
||||
1. Remove `usedStorage :: TVar Int64` field from `FileStore` record (line 47).
|
||||
2. Remove `usedStorage <- newTVarIO 0` from `newFileStore` (line 75) and drop the field from the record construction (line 76).
|
||||
3. In `setFilePath` (line 92-97): remove `modifyTVar' (usedStorage st) (+ fromIntegral (size fileInfo))` — keep only `writeTVar filePath (Just fPath)`. Change pattern from `\FileRec {fileInfo, filePath}` to `\FileRec {filePath}` (fileInfo is now unused — `-Wunused-matches` error).
|
||||
4. In `deleteFile` (line 112-119): remove `modifyTVar' usedStorage $ subtract (fromIntegral $ size fileInfo)`. Change outer pattern match from `FileStore {files, recipients, usedStorage}` to `FileStore {files, recipients}`. Change inner pattern from `Just FileRec {fileInfo, recipientIds}` to `Just FileRec {recipientIds}` (`fileInfo` is now unused — `-Wunused-matches` error).
|
||||
5. In `blockFile` (line 122-127): remove `when deleted $ modifyTVar' usedStorage $ subtract (fromIntegral $ size fileInfo)`. Change pattern match from `st@FileStore {usedStorage}` to `st`. The `deleted` parameter and `fileInfo` in the inner pattern become unused — prefix with `_` or remove from pattern to avoid `-Wunused-matches`.
|
||||
|
||||
- [ ] **Step 2: Add `usedStorage` to `XFTPEnv` in `Env.hs`**
|
||||
|
||||
1. Add `usedStorage :: TVar Int64` field to `XFTPEnv` record (between `store` and `storeLog`, line 93).
|
||||
2. In `newXFTPServerEnv` (line 112-126): replace lines 117-118:
|
||||
```
|
||||
used <- countUsedStorage <$> readTVarIO (files store)
|
||||
atomically $ writeTVar (usedStorage store) used
|
||||
```
|
||||
with:
|
||||
```
|
||||
usedStorage <- newTVarIO =<< countUsedStorage <$> readTVarIO (files store)
|
||||
```
|
||||
3. Add `usedStorage` to the `pure XFTPEnv {..}` construction.
|
||||
|
||||
- [ ] **Step 3: Update all `usedStorage` access sites in `Server.hs`**
|
||||
|
||||
1. Line 552: `us <- asks $ usedStorage . store` → `us <- asks usedStorage`.
|
||||
2. Line 569: `us <- asks $ usedStorage . store` → `us <- asks usedStorage`.
|
||||
3. Line 639: `usedStart <- readTVarIO $ usedStorage st` → `usedStart <- readTVarIO =<< asks usedStorage`.
|
||||
4. Line 647: `usedEnd <- readTVarIO $ usedStorage st` → `usedEnd <- readTVarIO =<< asks usedStorage`.
|
||||
5. Line 694: `FileStore {files, usedStorage} <- asks store` → split into `FileStore {files} <- asks store` and `usedStorage <- asks usedStorage`.
|
||||
6. In `deleteOrBlockServerFile_` (line 620): after `void $ atomically $ storeAction st`, add usedStorage adjustment — `us <- asks usedStorage` then `atomically $ modifyTVar' us $ subtract (fromIntegral $ size fileInfo)` when file had a path (check `path` from `readTVarIO filePath` earlier in the function).
|
||||
|
||||
- [ ] **Step 4: Build and verify**
|
||||
|
||||
Run: `cabal build`
|
||||
|
||||
- [ ] **Step 5: Run existing tests**
|
||||
|
||||
Run: `cabal test --test-show-details=streaming --test-option=--match="/XFTP/"`
|
||||
|
||||
- [ ] **Step 6: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i src/Simplex/FileTransfer/Server/Store.hs src/Simplex/FileTransfer/Server/Env.hs src/Simplex/FileTransfer/Server.hs
|
||||
git add src/Simplex/FileTransfer/Server/Store.hs src/Simplex/FileTransfer/Server/Env.hs src/Simplex/FileTransfer/Server.hs
|
||||
git commit -m "refactor(xftp): move usedStorage from FileStore to XFTPEnv"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Task 2: Add `getUsedStorage`, `getFileCount`, `expiredFiles` functions
|
||||
|
||||
**Files:**
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Store.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Env.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server.hs`
|
||||
|
||||
- [ ] **Step 1: Add three new functions to `Store.hs`**
|
||||
|
||||
1. Add to exports: `getUsedStorage`, `getFileCount`, `expiredFiles`.
|
||||
2. Remove `expiredFilePath` from exports AND delete the function definition (dead code → `-Wunused-binds` error). Also remove `($>>=)` from import `Simplex.Messaging.Util (ifM, ($>>=))` → `Simplex.Messaging.Util (ifM)` — `$>>=` was only used by `expiredFilePath`.
|
||||
3. Add import: `qualified Data.Map.Strict as M` (needed for `M.foldl'` in `getUsedStorage` and `M.toList` in `expiredFiles`).
|
||||
4. Implement:
|
||||
```haskell
|
||||
getUsedStorage :: FileStore -> IO Int64
|
||||
getUsedStorage FileStore {files} =
|
||||
M.foldl' (\acc FileRec {fileInfo = FileInfo {size}} -> acc + fromIntegral size) 0 <$> readTVarIO files
|
||||
|
||||
getFileCount :: FileStore -> IO Int
|
||||
getFileCount FileStore {files} = M.size <$> readTVarIO files
|
||||
|
||||
expiredFiles :: FileStore -> Int64 -> Int -> IO [(SenderId, Maybe FilePath, Word32)]
|
||||
expiredFiles FileStore {files} old _limit = do
|
||||
fs <- readTVarIO files
|
||||
fmap catMaybes . forM (M.toList fs) $ \(sId, FileRec {fileInfo = FileInfo {size}, filePath, createdAt = RoundedSystemTime createdAt}) ->
|
||||
if createdAt + fileTimePrecision < old
|
||||
then do
|
||||
path <- readTVarIO filePath
|
||||
pure $ Just (sId, path, size)
|
||||
else pure Nothing
|
||||
```
|
||||
5. Add imports: `Data.Maybe (catMaybes)`, `Data.Word (Word32)` (note: `qualified Data.Map.Strict as M` already added in item 3).
|
||||
|
||||
- [ ] **Step 2: Replace `countUsedStorage` in `Env.hs`**
|
||||
|
||||
1. Replace `countUsedStorage <$> readTVarIO (files store)` with `getUsedStorage store` in `newXFTPServerEnv`.
|
||||
2. Remove `countUsedStorage` function definition and its export.
|
||||
3. Remove `qualified Data.Map.Strict as M` import if no longer used.
|
||||
|
||||
- [ ] **Step 3: Update `restoreServerStats` in `Server.hs` to use `getFileCount`**
|
||||
|
||||
In `restoreServerStats` (line 694-696): replace `FileStore {files} <- asks store` and `_filesCount <- M.size <$> readTVarIO files` with `st <- asks store` and `_filesCount <- liftIO $ getFileCount st` (eliminates the `FileStore` pattern match — `files` binding no longer needed).
|
||||
|
||||
- [ ] **Step 4: Replace `expireServerFiles` iteration in `Server.hs`**
|
||||
|
||||
1. Replace the body of `expireServerFiles` (lines 636-660). Remove `files' <- readTVarIO (files st)` and the `forM_ (M.keys files')` loop.
|
||||
2. New body: call `expiredFiles st old 10000` in a loop. For each `(sId, filePath_, fileSize)` in returned list: apply `itemDelay`, remove disk file if present, call `atomically $ deleteFile st sId`, adjust `usedStorage` TVar by `fileSize`, increment `filesExpired` stat. Loop until `expiredFiles` returns `[]`.
|
||||
3. Remove `Data.Map.Strict` import from Server.hs if no longer needed (was used for `M.size` and `M.keys` — now replaced by `getFileCount` and `expiredFiles`).
|
||||
|
||||
- [ ] **Step 5: Build and verify**
|
||||
|
||||
Run: `cabal build`
|
||||
|
||||
- [ ] **Step 6: Run existing tests**
|
||||
|
||||
Run: `cabal test --test-show-details=streaming --test-option=--match="/XFTP/"`
|
||||
|
||||
- [ ] **Step 7: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i src/Simplex/FileTransfer/Server/Store.hs src/Simplex/FileTransfer/Server/Env.hs src/Simplex/FileTransfer/Server.hs
|
||||
git add src/Simplex/FileTransfer/Server/Store.hs src/Simplex/FileTransfer/Server/Env.hs src/Simplex/FileTransfer/Server.hs
|
||||
git commit -m "refactor(xftp): add getUsedStorage, getFileCount, expiredFiles store functions"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Task 3: Change `Store.hs` functions from STM to IO
|
||||
|
||||
**Files:**
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Store.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server/StoreLog.hs`
|
||||
|
||||
- [ ] **Step 1: Change all Store.hs function signatures from STM to IO**
|
||||
|
||||
For each of: `addFile`, `setFilePath`, `addRecipient`, `getFile`, `deleteFile`, `blockFile`, `deleteRecipient`, `ackFile`:
|
||||
1. Change return type from `STM (Either XFTPErrorType ...)` to `IO (Either XFTPErrorType ...)` (or `STM ()` to `IO ()` for `deleteRecipient`).
|
||||
2. Wrap the function body in `atomically $ do ...`.
|
||||
3. Keep `withFile` and `newFileRec` as internal STM helpers (called inside the `atomically` blocks).
|
||||
|
||||
- [ ] **Step 2: Update Server.hs call sites — remove `atomically` wrappers**
|
||||
|
||||
1. Line 563 (`receiveServerFile`): change `atomically $ writeTVar filePath (Just fPath)` → add `st <- asks store` then `void $ liftIO $ setFilePath st senderId fPath` (design call site #1 — `store` is not in scope in `receiveServerFile`'s `receive` helper, so bind via `asks`; `void` avoids `-Wunused-do-bind` warning on the `Either` result).
|
||||
2. Line 453 (`verifyXFTPTransmission`): split `atomically $ verify =<< getFile st party fId` into: `liftIO (getFile st party fId)` (IO→M lift), then pattern match on result, use `readTVarIO (fileStatus fr)` instead of `readTVar`.
|
||||
3. Lines 371, 377 (control port `CPDelete`/`CPBlock`): change `ExceptT $ atomically $ getFile fs SFRecipient fileId` → `ExceptT $ liftIO $ getFile fs SFRecipient fileId` (inside `unliftIO u $ do` block which runs in M monad — `liftIO` required to lift IO into M).
|
||||
4. Line 508 (`addFile` in `createFile`): the `ExceptT $ addFile st sId file ts EntityActive` — `addFile` is now IO, `ExceptT` wraps IO directly. Remove any `atomically`.
|
||||
5. Line 514 (`addRecipient`): same — `ExceptT . addRecipient st sId` works directly in IO.
|
||||
6. Line 516 (`retryAdd`): change parameter type from `(XFTPFileId -> STM (Either XFTPErrorType a))` to `(XFTPFileId -> IO (Either XFTPErrorType a))`. Line 520: change `atomically (add fId)` to `liftIO (add fId)`.
|
||||
7. Line 605 (`ackFileReception`): change `atomically $ deleteRecipient st rId fr` to `liftIO $ deleteRecipient st rId fr`.
|
||||
8. Line 620 (`deleteOrBlockServerFile_`): change third parameter type from `(FileStore -> STM (Either XFTPErrorType ()))` to `(FileStore -> IO (Either XFTPErrorType ()))`. Line 626: change `void $ atomically $ storeAction st` to `void $ liftIO $ storeAction st`.
|
||||
9. `expireServerFiles` `delete` helper: change `atomically $ deleteFile st sId` to `liftIO $ deleteFile st sId` (deleteFile is now IO; `liftIO` required because the helper runs in M monad, not IO).
|
||||
|
||||
- [ ] **Step 3: Update `StoreLog.hs` — remove `atomically` from replay**
|
||||
|
||||
In `readFileStore` (line 93), function `addToStore`:
|
||||
1. Change `atomically (addToStore lr)` to `addToStore lr` — store functions are now IO.
|
||||
2. The `addToStore` body calls `addFile`, `setFilePath`, `deleteFile`, `blockFile`, `ackFile` — all IO now, no `atomically` needed.
|
||||
3. For `AddRecipients`: `runExceptT $ mapM_ (ExceptT . addRecipient st sId) rcps` — `addRecipient` returns `IO (Either ...)`, so `ExceptT . addRecipient st sId` works directly.
|
||||
|
||||
- [ ] **Step 4: Build and verify**
|
||||
|
||||
Run: `cabal build`
|
||||
|
||||
- [ ] **Step 5: Run existing tests**
|
||||
|
||||
Run: `cabal test --test-show-details=streaming --test-option=--match="/XFTP/"`
|
||||
|
||||
- [ ] **Step 6: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i src/Simplex/FileTransfer/Server/Store.hs src/Simplex/FileTransfer/Server.hs src/Simplex/FileTransfer/Server/StoreLog.hs
|
||||
git add src/Simplex/FileTransfer/Server/Store.hs src/Simplex/FileTransfer/Server.hs src/Simplex/FileTransfer/Server/StoreLog.hs
|
||||
git commit -m "refactor(xftp): change file store operations from STM to IO"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Task 4: Extract `FileStoreClass` typeclass, move STM impl to `Store/STM.hs`
|
||||
|
||||
**Files:**
|
||||
- Rewrite: `src/Simplex/FileTransfer/Server/Store.hs`
|
||||
- Create: `src/Simplex/FileTransfer/Server/Store/STM.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server/StoreLog.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Env.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server.hs`
|
||||
- Modify: `simplexmq.cabal`
|
||||
|
||||
- [ ] **Step 1: Create `Store/STM.hs` — move all implementation code**
|
||||
|
||||
1. Create directory `src/Simplex/FileTransfer/Server/Store/`.
|
||||
2. Create `src/Simplex/FileTransfer/Server/Store/STM.hs`.
|
||||
3. Move from `Store.hs`: `FileStore` data type (rename to `STMFileStore`), all function implementations, internal helpers (`withFile`, `newFileRec`), all STM-specific imports.
|
||||
4. Rename all `FileStore` references to `STMFileStore` in the new file.
|
||||
5. Module declaration: `module Simplex.FileTransfer.Server.Store.STM` exporting only `STMFileStore (..)` — do NOT export standalone functions (`addFile`, `setFilePath`, etc.) to avoid name collisions with the typeclass methods from `Store.hs`.
|
||||
|
||||
- [ ] **Step 2: Rewrite `Store.hs` as the typeclass module**
|
||||
|
||||
1. Add `{-# LANGUAGE TypeFamilies #-}` pragma to `Store.hs` (required for `type FileStoreConfig s` associated type).
|
||||
2. Keep in `Store.hs`: `FileRec (..)`, `FileRecipient (..)`, `RoundedFileTime`, `fileTimePrecision` definitions and their `StrEncoding` instance.
|
||||
3. Add `FileStoreClass` typeclass:
|
||||
```haskell
|
||||
class FileStoreClass s where
|
||||
type FileStoreConfig s
|
||||
|
||||
-- Lifecycle
|
||||
newFileStore :: FileStoreConfig s -> IO s
|
||||
closeFileStore :: s -> IO ()
|
||||
|
||||
-- File operations
|
||||
addFile :: s -> SenderId -> FileInfo -> RoundedFileTime -> ServerEntityStatus -> IO (Either XFTPErrorType ())
|
||||
setFilePath :: s -> SenderId -> FilePath -> IO (Either XFTPErrorType ())
|
||||
addRecipient :: s -> SenderId -> FileRecipient -> IO (Either XFTPErrorType ())
|
||||
getFile :: s -> SFileParty p -> XFTPFileId -> IO (Either XFTPErrorType (FileRec, C.APublicAuthKey))
|
||||
deleteFile :: s -> SenderId -> IO (Either XFTPErrorType ())
|
||||
blockFile :: s -> SenderId -> BlockingInfo -> Bool -> IO (Either XFTPErrorType ())
|
||||
deleteRecipient :: s -> RecipientId -> FileRec -> IO ()
|
||||
ackFile :: s -> RecipientId -> IO (Either XFTPErrorType ())
|
||||
|
||||
-- Expiration
|
||||
expiredFiles :: s -> Int64 -> Int -> IO [(SenderId, Maybe FilePath, Word32)]
|
||||
|
||||
-- Stats
|
||||
getUsedStorage :: s -> IO Int64
|
||||
getFileCount :: s -> IO Int
|
||||
```
|
||||
4. Do NOT re-export from `Store/STM.hs` — this would create a circular module dependency (Store.hs imports Store/STM.hs, Store/STM.hs imports Store.hs). Consumers must import `Store.STM` directly where they need `STMFileStore`.
|
||||
5. Remove all STM-specific imports that are no longer needed.
|
||||
|
||||
- [ ] **Step 3: Add `FileStoreClass` instance in `Store/STM.hs`**
|
||||
|
||||
1. Import `FileStoreClass` from `Simplex.FileTransfer.Server.Store`.
|
||||
2. Inline all implementations directly in the instance body (do NOT delegate to standalone functions — the standalone names collide with typeclass method names, causing ambiguous occurrences for importers):
|
||||
```haskell
|
||||
instance FileStoreClass STMFileStore where
|
||||
type FileStoreConfig STMFileStore = ()
|
||||
newFileStore () = do
|
||||
files <- TM.emptyIO
|
||||
recipients <- TM.emptyIO
|
||||
pure STMFileStore {files, recipients}
|
||||
closeFileStore _ = pure ()
|
||||
addFile st sId fileInfo createdAt status = atomically $ ...
|
||||
setFilePath st sId fPath = atomically $ ...
|
||||
-- ... (each method's body is the existing function body, inlined)
|
||||
```
|
||||
3. Remove the standalone top-level function definitions — they are now instance methods. Keep only `withFile` and `newFileRec` as internal helpers used by the instance methods.
|
||||
|
||||
- [ ] **Step 4: Update importers**
|
||||
|
||||
1. `Env.hs`: add `import Simplex.FileTransfer.Server.Store.STM (STMFileStore (..))`. Change `FileStore` → `STMFileStore` in `XFTPEnv` type and `newXFTPServerEnv`. Change `store <- newFileStore` to `store <- newFileStore ()` (typeclass method now takes `FileStoreConfig STMFileStore` which is `()`). Keep `import Simplex.FileTransfer.Server.Store` for `FileRec`, `FileRecipient`, `FileStoreClass`, etc.
|
||||
2. `Server.hs`: add `import Simplex.FileTransfer.Server.Store.STM`. Change `FileStore` → `STMFileStore` in any explicit type annotations. Import `FileStoreClass` from `Simplex.FileTransfer.Server.Store`.
|
||||
3. `StoreLog.hs`: add `import Simplex.FileTransfer.Server.Store.STM` to access concrete `STMFileStore` type and store functions used during log replay. Change `FileStore` → `STMFileStore` in `readWriteFileStore` and `writeFileStore` parameter types.
|
||||
|
||||
- [ ] **Step 5: Update cabal file**
|
||||
|
||||
Add `Simplex.FileTransfer.Server.Store.STM` to `exposed-modules` in the `!flag(client_library)` section, alongside existing XFTP server modules.
|
||||
|
||||
- [ ] **Step 6: Build and verify**
|
||||
|
||||
Run: `cabal build`
|
||||
|
||||
- [ ] **Step 7: Run existing tests**
|
||||
|
||||
Run: `cabal test --test-show-details=streaming --test-option=--match="/XFTP/"`
|
||||
|
||||
- [ ] **Step 8: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i src/Simplex/FileTransfer/Server/Store.hs src/Simplex/FileTransfer/Server/Store/STM.hs src/Simplex/FileTransfer/Server/Env.hs src/Simplex/FileTransfer/Server.hs src/Simplex/FileTransfer/Server/StoreLog.hs
|
||||
git add src/Simplex/FileTransfer/Server/Store.hs src/Simplex/FileTransfer/Server/Store/STM.hs src/Simplex/FileTransfer/Server/Env.hs src/Simplex/FileTransfer/Server.hs src/Simplex/FileTransfer/Server/StoreLog.hs simplexmq.cabal
|
||||
git commit -m "refactor(xftp): extract FileStoreClass typeclass, move STM impl to Store.STM"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Task 5: Make `XFTPEnv` and `Server.hs` polymorphic over `FileStoreClass`
|
||||
|
||||
**Files:**
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Env.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Main.hs`
|
||||
- Modify: `tests/XFTPClient.hs` (if it calls `runXFTPServerBlocking` directly)
|
||||
|
||||
- [ ] **Step 1: Make `XFTPEnv` polymorphic in `Env.hs`**
|
||||
|
||||
1. Add `XFTPStoreConfig` GADT: `data XFTPStoreConfig s where XSCMemory :: Maybe FilePath -> XFTPStoreConfig STMFileStore`.
|
||||
2. Change `data XFTPEnv` to `data XFTPEnv s` — field `store :: FileStore` becomes `store :: s`.
|
||||
3. Change `newXFTPServerEnv :: XFTPServerConfig -> IO XFTPEnv` to `newXFTPServerEnv :: FileStoreClass s => XFTPStoreConfig s -> XFTPServerConfig -> IO (XFTPEnv s)`.
|
||||
4. Pattern match on `XSCMemory storeLogPath` in `newXFTPServerEnv` body. Create store via `newFileStore ()`, storeLog via `mapM (`readWriteFileStore` st) storeLogPath`.
|
||||
|
||||
- [ ] **Step 2: Make `Server.hs` polymorphic**
|
||||
|
||||
1. Change `type M a = ReaderT XFTPEnv IO a` to `type M s a = ReaderT (XFTPEnv s) IO a`.
|
||||
2. Add `FileStoreClass s =>` constraint to all functions using `M s a`. Use `forall s.` in signatures of functions that have `where`-block bindings with `M s` type annotations — `ScopedTypeVariables` requires explicit `forall` to bring `s` into scope for inner type signatures (matching SMP's `smpServer :: forall s. MsgStoreClass s => ...` pattern). Full list: `xftpServer`, `processRequest`, `verifyXFTPTransmission`, `processXFTPRequest` and all its `where`-bound functions (`createFile`, `addRecipients`, `receiveServerFile`, `sendServerFile`, `deleteServerFile`, `ackFileReception`, `retryAdd`, `addFileRetry`, `addRecipientRetry`), `deleteServerFile_`, `blockServerFile`, `deleteOrBlockServerFile_`, `expireServerFiles`, `randomId`, `getFileId`, `withFileLog`, `incFileStat`, `saveServerStats`, `restoreServerStats`, `randomDelay` (inside `#ifdef slow_servers` CPP block). Also update `encodeXftp` (line 236) and `runCPClient` (line 339) which use explicit `ReaderT XFTPEnv IO` instead of the `M` alias — change to `ReaderT (XFTPEnv s) IO`.
|
||||
3. Change `runXFTPServerBlocking` and `runXFTPServer` to take `XFTPStoreConfig s` parameter.
|
||||
4. Add `closeFileStore store` call to the server shutdown path (in the `finally` block or `stopServer` equivalent — after saving stats, before logging "Server stopped"). This ensures Postgres connection pool and `dbStoreLog` are properly closed. For STM this is a no-op.
|
||||
|
||||
- [ ] **Step 3: Update `Main.hs` dispatch**
|
||||
|
||||
1. In `runServer`: construct `XSCMemory (enableStoreLog $> storeLogFilePath)`.
|
||||
2. Add dispatch function that calls the updated `runXFTPServer` (which creates `started` internally):
|
||||
```haskell
|
||||
run :: FileStoreClass s => XFTPStoreConfig s -> IO ()
|
||||
run storeCfg = runXFTPServer storeCfg serverConfig
|
||||
```
|
||||
3. Call `run` with the `XSCMemory` config.
|
||||
|
||||
- [ ] **Step 4: Update test helper if needed**
|
||||
|
||||
If `tests/XFTPClient.hs` calls `runXFTPServerBlocking` directly, update the call to pass an `XSCMemory` config. Check the `withXFTPServer` / `serverBracket` helper.
|
||||
|
||||
- [ ] **Step 5: Build and verify**
|
||||
|
||||
Run: `cabal build && cabal build test:simplexmq-test`
|
||||
|
||||
- [ ] **Step 6: Run existing tests**
|
||||
|
||||
Run: `cabal test --test-show-details=streaming --test-option=--match="/XFTP/"`
|
||||
|
||||
- [ ] **Step 7: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i src/Simplex/FileTransfer/Server/Env.hs src/Simplex/FileTransfer/Server.hs src/Simplex/FileTransfer/Server/Main.hs
|
||||
git add src/Simplex/FileTransfer/Server/Env.hs src/Simplex/FileTransfer/Server.hs src/Simplex/FileTransfer/Server/Main.hs tests/XFTPClient.hs simplexmq.cabal
|
||||
git commit -m "refactor(xftp): make XFTPEnv and server polymorphic over FileStoreClass"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Task 6: Add Postgres config, migrations, and store skeleton
|
||||
|
||||
**Files:**
|
||||
- Create: `src/Simplex/FileTransfer/Server/Store/Postgres/Config.hs`
|
||||
- Create: `src/Simplex/FileTransfer/Server/Store/Postgres/Migrations.hs`
|
||||
- Create: `src/Simplex/FileTransfer/Server/Store/Postgres.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Env.hs`
|
||||
- Modify: `simplexmq.cabal`
|
||||
|
||||
- [ ] **Step 1: Create `Store/Postgres/Config.hs`**
|
||||
|
||||
```haskell
|
||||
module Simplex.FileTransfer.Server.Store.Postgres.Config
|
||||
( PostgresFileStoreCfg (..),
|
||||
defaultXFTPDBOpts,
|
||||
)
|
||||
where
|
||||
|
||||
import Simplex.Messaging.Agent.Store.Postgres.Options (DBOpts (..))
|
||||
import Simplex.Messaging.Agent.Store.Shared (MigrationConfirmation)
|
||||
|
||||
data PostgresFileStoreCfg = PostgresFileStoreCfg
|
||||
{ dbOpts :: DBOpts,
|
||||
dbStoreLogPath :: Maybe FilePath,
|
||||
confirmMigrations :: MigrationConfirmation
|
||||
}
|
||||
|
||||
defaultXFTPDBOpts :: DBOpts
|
||||
defaultXFTPDBOpts =
|
||||
DBOpts
|
||||
{ connstr = "postgresql://xftp@/xftp_server_store",
|
||||
schema = "xftp_server",
|
||||
poolSize = 10,
|
||||
createSchema = False
|
||||
}
|
||||
```
|
||||
|
||||
- [ ] **Step 2: Create `Store/Postgres/Migrations.hs`**
|
||||
|
||||
Full migration module with `xftpServerMigrations :: [Migration]` and `m20260325_initial` containing CREATE TABLE SQL for `files` and `recipients` tables plus indexes. Follow SMP's `QueueStore/Postgres/Migrations.hs` pattern exactly: tuple list → `sortOn name . map migration`.
|
||||
|
||||
- [ ] **Step 3: Create `Store/Postgres.hs` with stub instance**
|
||||
|
||||
1. Define `PostgresFileStore` with `dbStore :: DBStore` and `dbStoreLog :: Maybe (StoreLog 'WriteMode)`.
|
||||
2. `instance FileStoreClass PostgresFileStore` with `error "not implemented"` for all methods except `newFileStore` (calls `createDBStore` + opens `dbStoreLog`) and `closeFileStore` (closes both). `type FileStoreConfig PostgresFileStore = PostgresFileStoreCfg`.
|
||||
3. Add `withDB`, `handleDuplicate`, `assertUpdated`, `withLog` helpers.
|
||||
|
||||
- [ ] **Step 4: Add `XSCDatabase` GADT constructor in `Env.hs` (CPP-guarded)**
|
||||
|
||||
```haskell
|
||||
#if defined(dbServerPostgres)
|
||||
import Simplex.FileTransfer.Server.Store.Postgres (PostgresFileStore)
|
||||
import Simplex.FileTransfer.Server.Store.Postgres.Config (PostgresFileStoreCfg)
|
||||
#endif
|
||||
|
||||
data XFTPStoreConfig s where
|
||||
XSCMemory :: Maybe FilePath -> XFTPStoreConfig STMFileStore
|
||||
#if defined(dbServerPostgres)
|
||||
XSCDatabase :: PostgresFileStoreCfg -> XFTPStoreConfig PostgresFileStore
|
||||
#endif
|
||||
```
|
||||
|
||||
- [ ] **Step 5: Update cabal**
|
||||
|
||||
Add to existing `if flag(server_postgres)` block:
|
||||
```
|
||||
Simplex.FileTransfer.Server.Store.Postgres
|
||||
Simplex.FileTransfer.Server.Store.Postgres.Config
|
||||
Simplex.FileTransfer.Server.Store.Postgres.Migrations
|
||||
```
|
||||
|
||||
- [ ] **Step 6: Build both ways**
|
||||
|
||||
Run: `cabal build && cabal build -fserver_postgres`
|
||||
|
||||
- [ ] **Step 7: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i src/Simplex/FileTransfer/Server/Store/Postgres.hs src/Simplex/FileTransfer/Server/Store/Postgres/Config.hs src/Simplex/FileTransfer/Server/Env.hs
|
||||
git add src/Simplex/FileTransfer/Server/Store/Postgres.hs src/Simplex/FileTransfer/Server/Store/Postgres/Config.hs src/Simplex/FileTransfer/Server/Store/Postgres/Migrations.hs src/Simplex/FileTransfer/Server/Env.hs simplexmq.cabal
|
||||
git commit -m "feat(xftp): add PostgreSQL store skeleton with schema migration"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Task 7: Implement `PostgresFileStore` operations
|
||||
|
||||
**Files:**
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Store/Postgres.hs`
|
||||
|
||||
- [ ] **Step 1: Implement `addFile`**
|
||||
|
||||
`INSERT INTO files (sender_id, file_size, file_digest, sender_key, file_path, created_at, status) VALUES (?,?,?,?,NULL,?,?)`. Catch unique violation with `handleDuplicate` → `DUPLICATE_`. Call `withLog "addFile"` after.
|
||||
|
||||
- [ ] **Step 2: Implement `getFile`**
|
||||
|
||||
For `SFSender`: `SELECT ... FROM files WHERE sender_id = ?`. Construct `FileRec` with `newTVarIO` per TVar field. `recipientIds = S.empty`.
|
||||
For `SFRecipient`: `SELECT f.*, r.recipient_key FROM recipients r JOIN files f ON r.sender_id = f.sender_id WHERE r.recipient_id = ?`.
|
||||
|
||||
- [ ] **Step 3: Implement `setFilePath`**
|
||||
|
||||
`UPDATE files SET file_path = ? WHERE sender_id = ? AND file_path IS NULL`. Use `assertUpdated`. Call `withLog "setFilePath"`.
|
||||
|
||||
- [ ] **Step 4: Implement `addRecipient`**
|
||||
|
||||
`INSERT INTO recipients (recipient_id, sender_id, recipient_key) VALUES (?,?,?)`. `handleDuplicate` → `DUPLICATE_`. Call `withLog "addRecipient"`.
|
||||
|
||||
- [ ] **Step 5: Implement `deleteFile`, `blockFile`**
|
||||
|
||||
`deleteFile`: `DELETE FROM files WHERE sender_id = ?` (CASCADE). `withLog "deleteFile"`.
|
||||
`blockFile`: `UPDATE files SET status = ? WHERE sender_id = ?`. `assertUpdated`. `withLog "blockFile"`.
|
||||
|
||||
- [ ] **Step 6: Implement `deleteRecipient`, `ackFile`**
|
||||
|
||||
`deleteRecipient`: `DELETE FROM recipients WHERE recipient_id = ?`. `withLog "deleteRecipient"`.
|
||||
`ackFile`: same + return `Left AUTH` if 0 rows.
|
||||
|
||||
- [ ] **Step 7: Implement `expiredFiles`, `getUsedStorage`, `getFileCount`**
|
||||
|
||||
`expiredFiles`: `SELECT sender_id, file_path, file_size FROM files WHERE created_at + ? < ? LIMIT ?`.
|
||||
`getUsedStorage`: `SELECT COALESCE(SUM(file_size), 0) FROM files`.
|
||||
`getFileCount`: `SELECT COUNT(*) FROM files`.
|
||||
|
||||
- [ ] **Step 8: Add `ToField`/`FromField` instances**
|
||||
|
||||
For `RoundedFileTime` (Int64 wrapper), `ServerEntityStatus` (Text via StrEncoding), `C.APublicAuthKey` (Binary via `encodePubKey`/`decodePubKey`). Check SMP's `QueueStore/Postgres.hs` for existing instances to import.
|
||||
|
||||
- [ ] **Step 9: Wrap mutation operations in `uninterruptibleMask_`**
|
||||
|
||||
Operations that combine a DB write with a TVar update (e.g., `getFile` constructs `FileRec` with `newTVarIO`) must be wrapped in `E.uninterruptibleMask_` to prevent async exceptions from leaving inconsistent state. Follow SMP's `addQueue_`, `deleteStoreQueue` pattern.
|
||||
|
||||
- [ ] **Step 10: Build**
|
||||
|
||||
Run: `cabal build -fserver_postgres`
|
||||
|
||||
- [ ] **Step 11: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i src/Simplex/FileTransfer/Server/Store/Postgres.hs
|
||||
git add src/Simplex/FileTransfer/Server/Store/Postgres.hs
|
||||
git commit -m "feat(xftp): implement PostgresFileStore operations"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Task 8: Add INI config, Main.hs dispatch, startup validation
|
||||
|
||||
**Files:**
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Main.hs`
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Env.hs`
|
||||
|
||||
- [ ] **Step 1: Update `iniFileContent` in `Main.hs`**
|
||||
|
||||
Add to `[STORE_LOG]` section: `store_files: memory`, commented-out `db_connection`, `db_schema`, `db_pool_size`, `db_store_log` keys. Follow SMP's `optDisabled'` pattern for commented defaults.
|
||||
|
||||
- [ ] **Step 2: Add `StartOptions` and `--confirm-migrations` flag**
|
||||
|
||||
```haskell
|
||||
data StartOptions = StartOptions
|
||||
{ confirmMigrations :: MigrationConfirmation
|
||||
}
|
||||
```
|
||||
Add to `Start` command parser with default `MCConsole`. Thread through to `runServer`.
|
||||
|
||||
- [ ] **Step 3: Add store_files INI parsing and CPP-guarded Postgres dispatch**
|
||||
|
||||
In `runServer`: read `store_files` from INI (`fromRight "memory" $ lookupValue "STORE_LOG" "store_files" ini`). Add `"database"` branch (CPP-guarded) that constructs `PostgresFileStoreCfg` using `iniDBOptions ini defaultXFTPDBOpts` and `enableDbStoreLog'` pattern. Non-postgres build: `exitError`.
|
||||
|
||||
- [ ] **Step 4: Add `XSCDatabase` branch in `newXFTPServerEnv` (`Env.hs`)**
|
||||
|
||||
CPP-guarded pattern match on `XSCDatabase dbCfg`: `newFileStore dbCfg`, `storeLog = Nothing`.
|
||||
|
||||
- [ ] **Step 5: Add startup config validation**
|
||||
|
||||
Add `checkFileStoreMode` (CPP-guarded) before `run`: validate conflicting storeLog file + database mode, missing schema, etc. per design doc.
|
||||
|
||||
- [ ] **Step 6: Build both ways**
|
||||
|
||||
Run: `cabal build && cabal build -fserver_postgres`
|
||||
|
||||
- [ ] **Step 7: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i src/Simplex/FileTransfer/Server/Main.hs src/Simplex/FileTransfer/Server/Env.hs
|
||||
git add src/Simplex/FileTransfer/Server/Main.hs src/Simplex/FileTransfer/Server/Env.hs
|
||||
git commit -m "feat(xftp): add PostgreSQL INI config, store dispatch, startup validation"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Task 9: Add database import/export CLI commands
|
||||
|
||||
**Files:**
|
||||
- Modify: `src/Simplex/FileTransfer/Server/Main.hs`
|
||||
|
||||
- [ ] **Step 1: Add `Database` CLI command (CPP-guarded)**
|
||||
|
||||
Add `Database StoreCmd DBOpts` constructor to `CliCommand`. Add `database` subcommand parser with `import`/`export` subcommands + `dbOptsP defaultXFTPDBOpts`.
|
||||
|
||||
- [ ] **Step 2: Implement `importFileStoreToDatabase`**
|
||||
|
||||
1. `confirmOrExit` with database details.
|
||||
2. Create temporary `STMFileStore`, replay StoreLog via `readWriteFileStore`.
|
||||
3. Create `PostgresFileStore` with `createSchema = True`, `confirmMigrations = MCYesUp`.
|
||||
4. Batch-insert files using PostgreSQL COPY protocol. Progress every 10k.
|
||||
5. Batch-insert recipients using COPY protocol.
|
||||
6. Verify counts: `SELECT COUNT(*)` — warn on mismatch.
|
||||
7. Rename StoreLog to `.bak`.
|
||||
8. Report counts.
|
||||
|
||||
- [ ] **Step 3: Implement `exportDatabaseToStoreLog`**
|
||||
|
||||
1. `confirmOrExit`. Fail if output file exists.
|
||||
2. Create `PostgresFileStore` from config.
|
||||
3. Open StoreLog for writing.
|
||||
4. Fold over file records: write `AddFile` (with status), `AddRecipients`, `PutFile` per file.
|
||||
5. Close StoreLog, report counts.
|
||||
|
||||
- [ ] **Step 4: Build**
|
||||
|
||||
Run: `cabal build -fserver_postgres`
|
||||
|
||||
- [ ] **Step 5: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i src/Simplex/FileTransfer/Server/Main.hs
|
||||
git add src/Simplex/FileTransfer/Server/Main.hs
|
||||
git commit -m "feat(xftp): add database import/export CLI commands"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Task 10: Add Postgres tests
|
||||
|
||||
**Files:**
|
||||
- Modify: `tests/XFTPClient.hs`
|
||||
- Modify: `tests/Test.hs`
|
||||
- Create: `tests/CoreTests/XFTPStoreTests.hs`
|
||||
|
||||
- [ ] **Step 1: Add test fixtures in `tests/XFTPClient.hs`**
|
||||
|
||||
```haskell
|
||||
testXFTPStoreDBOpts :: DBOpts
|
||||
testXFTPStoreDBOpts =
|
||||
DBOpts
|
||||
{ connstr = "postgresql://test_xftp_server_user@/test_xftp_server_db",
|
||||
schema = "xftp_server_test",
|
||||
poolSize = 10,
|
||||
createSchema = True
|
||||
}
|
||||
```
|
||||
Add `testXFTPDBConnectInfo :: ConnectInfo` matching the connection string.
|
||||
|
||||
- [ ] **Step 2: Add Postgres server test group in `tests/Test.hs`**
|
||||
|
||||
CPP-guarded block that runs existing `xftpServerTests` with Postgres store config, wrapped in `postgressBracket testXFTPDBConnectInfo`. Parameterize `withXFTPServer` to accept store config if needed.
|
||||
|
||||
- [ ] **Step 3: Create `tests/CoreTests/XFTPStoreTests.hs` — unit tests**
|
||||
|
||||
Test `PostgresFileStore` operations directly:
|
||||
- `addFile` + `getFile SFSender` round-trip.
|
||||
- `addFile` duplicate → `DUPLICATE_`.
|
||||
- `getFile` nonexistent → `AUTH`.
|
||||
- `setFilePath` + verify `WHERE file_path IS NULL` guard.
|
||||
- `addRecipient` + `getFile SFRecipient` round-trip.
|
||||
- `deleteFile` cascades recipients.
|
||||
- `blockFile` + verify status.
|
||||
- `expiredFiles` batch semantics.
|
||||
- `getUsedStorage`, `getFileCount` correctness.
|
||||
|
||||
- [ ] **Step 4: Add migration round-trip test**
|
||||
|
||||
Create `STMFileStore` with test data (files + recipients + blocked status) → export to StoreLog → import to Postgres → export back → compare StoreLog files byte-for-byte.
|
||||
|
||||
- [ ] **Step 5: Build and run tests**
|
||||
|
||||
```bash
|
||||
cabal build -fserver_postgres test:simplexmq-test
|
||||
cabal test --test-show-details=streaming --test-option=--match="/XFTP/" -fserver_postgres
|
||||
```
|
||||
|
||||
- [ ] **Step 6: Format and commit**
|
||||
|
||||
```bash
|
||||
fourmolu -i tests/CoreTests/XFTPStoreTests.hs tests/XFTPClient.hs
|
||||
git add tests/CoreTests/XFTPStoreTests.hs tests/XFTPClient.hs tests/Test.hs
|
||||
git commit -m "test(xftp): add PostgreSQL backend tests"
|
||||
```
|
||||
+284
-341
@@ -1,5 +1,3 @@
|
||||
Version 5, 2024-06-22
|
||||
|
||||
# SMP agent protocol - duplex communication over SMP protocol
|
||||
|
||||
## Table of contents
|
||||
@@ -7,61 +5,69 @@ Version 5, 2024-06-22
|
||||
- [Abstract](#abstract)
|
||||
- [SMP agent](#smp-agent)
|
||||
- [SMP servers management](#smp-servers-management)
|
||||
- [SMP agent protocol scope](#smp-agent-protocol-scope)
|
||||
- [SMP agent protocol components](#smp-agent-protocol-components)
|
||||
- [Duplex connection procedure](#duplex-connection-procedure)
|
||||
- [Contact addresses](#contact-addresses)
|
||||
- [Communication between SMP agents](#communication-between-smp-agents)
|
||||
- [Message syntax](#messages-between-smp-agents)
|
||||
- [HELLO message](#hello-message)
|
||||
- [A_MSG message](#a_msg-message)
|
||||
- [A_RCVD message](#a_rcvd-message)
|
||||
- [EREADY message](#eready-message)
|
||||
- [A_QCONT message](#a_qcont-message)
|
||||
- [Rotating messaging queue](#rotating-messaging-queue)
|
||||
- [End-to-end encryption](#end-to-end-encryption)
|
||||
- [Connection link: 1-time invitation and contact address](#connection-link-1-time-invitation-and-contact-address)
|
||||
- [Appendix A: SMP agent API](#smp-agent-api)
|
||||
- [API functions](#api-functions)
|
||||
- [API events](#api-events)
|
||||
- [REPLY message](#reply-message)
|
||||
- [MSG message](#msg-message)
|
||||
- [INV message](#inv-message)
|
||||
- [ACK message](#ack-message)
|
||||
- [NEW message](#new-message)
|
||||
- [DEL message](#del-message)
|
||||
- [SMP agent commands](#smp-agent-commands)
|
||||
- [Client commands and server responses](#client-commands-and-server-responses)
|
||||
- [NEW command and INV response](#new-command-and-inv-response)
|
||||
- [JOIN command](#join-command)
|
||||
- [CONF notification and LET command](#conf-notification-and-let-command)
|
||||
- [REQ notification and ACPT command](#req-notification-and-acpt-command)
|
||||
- [INFO and CON notifications](#info-and-con-notifications)
|
||||
- [SUB command](#sub-command)
|
||||
- [SEND command and MID, SENT and MERR responses](#send-command-and-mid-sent-and-merr-responses)
|
||||
- [MSG notification](#msg-notification)
|
||||
- [END notification](#end-notification)
|
||||
- [OFF command](#off-command)
|
||||
- [DEL command](#del-command)
|
||||
- [Connection request](#connection-request)
|
||||
|
||||
## Abstract
|
||||
|
||||
The purpose of SMP agent protocol is to define the syntax and the semantics of communications between the client and the agent that connects to [SMP](./simplex-messaging.md) servers.
|
||||
|
||||
It provides:
|
||||
- API to create and manage bi-directional (duplex) connections between the users of SMP agents consisting of two (or more) separate unidirectional (simplex) SMP queues, abstracting away multiple steps required to establish bi-directional connections and any information about the servers location from the users of the agent protocol.
|
||||
- protocol to create and manage bi-directional (duplex) connections between the users of SMP agents consisting of two (or more) separate unidirectional (simplex) SMP queues, abstracting away multiple steps required to establish bi-directional connections and any information about the servers location from the users of the agent protocol.
|
||||
- management of E2E encryption between SMP agents, generating ephemeral asymmetric keys for each connection.
|
||||
- SMP command authentication on SMP servers, generating ephemeral keys for each SMP queue.
|
||||
- TCP/TLS transport handshake with SMP servers.
|
||||
- validation of message integrity.
|
||||
|
||||
SMP agent API provides no security between the agent and the client - it is assumed that the agent is executed in the trusted and secure environment, via the agent library, when the agent logic is included directly into the client application - [SimpleX Chat for terminal](https://github.com/simplex-chat/simplex-chat) uses this approach.
|
||||
SMP agent protocol provides no encryption or security on the client side - it is assumed that the agent is executed in the trusted and secure environment, in one of three ways:
|
||||
- via TCP network using secure connection.
|
||||
- via local port (when the agent runs on the same device as a separate process).
|
||||
- via agent library, when the agent logic is included directly into the client application - [SimpleX Chat for terminal](https://github.com/simplex-chat/simplex-chat) uses this approach.
|
||||
|
||||
## SMP agent
|
||||
|
||||
SMP agents communicate with each other via SMP servers using [simplex messaging protocol (SMP)](./simplex-messaging.md) according to the API calls used by the client applications. This protocol is a middle layer in SimpleX protocols (above SMP protocol but below any application level protocol) - it is intended to be used by client-side applications that need secure asynchronous bi-directional communication channels ("connections").
|
||||
SMP agents communicate with each other via SMP servers using [simplex messaging protocol (SMP)](./simplex-messaging.md) according to the commands received from its users. This protocol is a middle layer in SimpleX protocols (above SMP protocol but below any application level protocol) - it is intended to be used by client-side applications that need secure asynchronous bi-directional communication channels ("connections").
|
||||
|
||||
The agent must have a persistent storage to manage the states of known connections and of the client-side information of SMP queues that each connection consists of, and also the buffer of the most recent sent and received messages. The number of the messages that should be stored is implementation specific, depending on the error management approach that the agent implements; at the very least the agent must store the hashes and IDs of the last received and sent messages.
|
||||
|
||||
## SMP servers management
|
||||
|
||||
SMP agent API does not use the addresses of the SMP servers that the agent will use to create and use the connections (excluding the server address in queue URIs used in JOIN command). The list of the servers is a part of the agent configuration and can be dynamically changed by the agent implementation:
|
||||
SMP agent protocol commands do not contain the addresses of the SMP servers that the agent will use to create and use the connections (excluding the server address in queue URIs used in JOIN command). The list of the servers is a part of the agent configuration and can be dynamically changed by the agent implementation:
|
||||
- by the client applications via any API that is outside of scope of this protocol.
|
||||
- by the agents themselves based on availability and latency of the configured servers.
|
||||
|
||||
## SMP agent protocol scope
|
||||
## SMP agent protocol components
|
||||
|
||||
SMP agent protocol has 2 main parts:
|
||||
SMP agent protocol has 3 main parts:
|
||||
|
||||
- the messages that SMP agents exchange with each other in order to:
|
||||
- the syntax and semantics of the messages that SMP agents exchange with each other in order to:
|
||||
- negotiate establishing unidirectional (simplex) encrypted queues on SMP servers.
|
||||
- exchange client messages and delivery notifications, providing sequential message IDs and message integrity (by including the hash of the previous message).
|
||||
- re-negotiate messaging queues to use and connection e2e encryption.
|
||||
- the messages that the clients of SMP agents should send out-of-band (as pre-shared "invitation" including queue URIs) to protect [E2E encryption][1] from active attacks ([MITM attacks][2]).
|
||||
|
||||
[Appendix A](#appendix-a-smp-agent-api) of this document describes:
|
||||
- the functional API used by the client application with the agent. This API allows to create and manage multiple connections, each consisting of two or more SMP queues.
|
||||
- events that the agent passes to the clients.
|
||||
- the syntax and semantics of the commands that are sent by the agent clients to the agents. This protocol allows to create and manage multiple connections, each consisting of two or more SMP queues.
|
||||
- the syntax and semantics of the message that the clients of SMP agents should send out-of-band (as pre-shared "invitation" including queue URIs) to protect [E2E encryption][1] from active attacks ([MITM attacks][2]).
|
||||
|
||||
## Duplex connection procedure
|
||||
|
||||
@@ -69,126 +75,54 @@ SMP agent protocol has 2 main parts:
|
||||
|
||||
The procedure of establishing a duplex connection is explained on the example of Alice and Bob creating a bi-directional connection consisting of two unidirectional (simplex) queues, using SMP agents (A and B) to facilitate it, and two different SMP servers (which could be the same server). It is shown on the diagram above and has these steps:
|
||||
|
||||
1. Alice requests the new connection from the SMP agent A using agent `createConnection` api function.
|
||||
2. Agent A creates an SMP queue on the server (using [SMP protocol](./simplex-messaging.md) `NEW` command) and responds to Alice with the invitation that contains queue information and the encryption keys Bob's agent B should use. The invitation format is described in [Connection link](connection-link-1-time-invitation-and-contact-address).
|
||||
3. Alice sends the [connection link](#connection-link-1-time-invitation-and-contact-address) to Bob via any secure channel (out-of-band message) - as a link or as a QR code.
|
||||
4. Bob uses agent `joinConnection` api function with the connection link as a parameter to agent B to accept the connection.
|
||||
5. Agent B creates Bob's SMP reply queue with SMP server `NEW` command.
|
||||
6. Agent B confirms the connection: sends an "SMP confirmation" with SMP server `SEND` command to the SMP queue specified in the connection link - SMP confirmation is an unauthenticated message with an ephemeral key that will be used to authenticate Bob's commands to the queue, as described in SMP protocol, and Bob's info (profile, public key for E2E encryption, and the connection link to this 2nd queue to Agent A - this connection link SHOULD use "simplex" URI scheme). This message is encrypted using key passed in the connection link (or with the derived shared secret, in which case public key for key derivation should be sent in clear text).
|
||||
6. Alice confirms and continues the connection:
|
||||
- Agent A receives the SMP confirmation containing Bob's key, reply queue and info as SMP server `MSG`.
|
||||
- Agent A notifies Alice sending `CONF` notification with Bob's info.
|
||||
- Alice allows connection to continue with agent `allowConnection` api function.
|
||||
- Agent A secures the queue with SMP server `KEY` command.
|
||||
- Agent A sends SMP confirmation with ephemeral sender key, ephemeral public encryption key and profile (but without reply queue).
|
||||
7. Agent B confirms the connection:
|
||||
- receives the confirmation.
|
||||
- sends the notification `INFO` with Alice's information to Bob.
|
||||
- secures SMP queue that it sent to Alice in the first confirmation with SMP `KEY` command .
|
||||
- sends `HELLO` message via SMP `SEND` command. This confirms that the reply queue is secured and also validates that Agent A secured the first SMP queue
|
||||
8. Agent A notifies Alice.
|
||||
- receives `HELLO` message from Agent B.
|
||||
- sends `HELLO` message to Agent B via SMP `SEND` command.
|
||||
- sends `CON` notification to Alice, confirming that the connection is established.
|
||||
9. Agent B notifies Bob.
|
||||
- Once Agent B receives `HELLO` from Agent A, it sends to Bob `CON` notification as well.
|
||||
1. Alice requests the new connection from the SMP agent A using SMP NEW command.
|
||||
2. Agent A creates an SMP connection on the server (using [SMP protocol](./simplex-messaging.md)) and responds to Alice with the invitation that contains queue information and the encryption key Bob's agent B should use. The invitation format is described in [Connection request](#connection-request).
|
||||
3. Alice sends the [connection request](#connection-request) to Bob via any secure channel (out-of-band message).
|
||||
4. Bob sends `JOIN` command with the connection request as a parameter to agent B to accept the connection.
|
||||
5. Establishing Alice's SMP queue (with SMP protocol commands):
|
||||
- Agent B sends an "SMP confirmation" with SMP SEND command to the SMP queue specified in the connection request - SMP confirmation is an unauthenticated message with an ephemeral key that will be used to authenticate Bob's commands to the queue, as described in SMP protocol, and Bob's info (profile, public key for E2E encryption, etc.). This message is encrypted using key passed in the connection request (or with the derived key, in which case public key for key derivation should be sent in clear text).
|
||||
- Agent A receives the SMP confirmation containing Bob's key and info as SMP MSG.
|
||||
- Agent A notifies Alice sending REQ notification with Bob's info.
|
||||
- Alice accepts connection request with ACPT command.
|
||||
- Agent A secures the queue with SMP KEY command.
|
||||
- Agent B tries sending authenticated SMP SEND command with agent `HELLO` message until it succeeds. Once it succeeds, Bob's agent "knows" the queue is secured.
|
||||
6. Agent B creates a new SMP queue on the server.
|
||||
7. Establish Bob's SMP queue:
|
||||
- Agent B sends `REPLY` message (SMP SEND command) with the connection request to this 2nd queue to Alice's agent (via the 1st queue) - this connection request SHOULD use "simplex" URI scheme.
|
||||
- Agent A, having received `REPLY` message, sends unauthenticated message (SMP SEND) to SMP queue with Alice agent's ephemeral key that will be used to authenticate Alice's commands to the queue, as described in SMP protocol, and Alice's info.
|
||||
- Bob's agent receives the key and Alice's information and secures the queue (SMP KEY).
|
||||
- Bob's agent sends the notification `INFO` with Alice's information to Bob.
|
||||
- Alice's agent keeps sending `HELLO` message until it succeeds.
|
||||
8. Agents A and B notify Alice and Bob that connection is established.
|
||||
- Once sending `HELLO` succeeds, Alice's agent sends to Alice `CON` notification that confirms that now both parties can communicate.
|
||||
- Once Bob's agent receives `HELLO` from Alice's agent, it sends to Bob `CON` notification as well.
|
||||
|
||||
At this point the duplex connection between Alice and Bob is established, they can use `SEND` command to send messages. The diagram also shows how the connection status changes for both parties, where the first part is the status of the SMP queue to receive messages, and the second part - the status of the queue to send messages.
|
||||
|
||||
The most communication happens between the agents and servers, from the point of view of Alice and Bob there are 4 steps (not including notifications):
|
||||
|
||||
1. Alice requests a new connection with `createConnection` agent API function and receives the connection link.
|
||||
2. Alice passes connection link out-of-band to Bob.
|
||||
3. Bob accepts the connection with `joinConnection` agent API function with the connection link to his agent.
|
||||
4. Alice accepts the connection with `ACPT` agent API function.
|
||||
1. Alice requests a new connection with `NEW` command and receives the invitation.
|
||||
2. Alice passes connection request out-of-band to Bob.
|
||||
3. Bob accepts the connection with `JOIN` command with the connection request to his agent.
|
||||
4. Alice accepts the connection with `ACPT` command.
|
||||
5. Both parties receive `CON` notification once duplex connection is established.
|
||||
|
||||
Clients SHOULD support establishing duplex connection asynchronously (when parties are intermittently offline) by persisting intermediate states and resuming SMP queue subscriptions.
|
||||
|
||||
## Fast duplex connection procedure
|
||||
|
||||
Previously described duplex connection procedure requires sending 4 messages creating a bad UX for the users - it requires waiting until each party in online before the messages can be sent.
|
||||
|
||||
It allows users validating connecting party profile before proceeding with the connection, but it turned out to be unnecessary UX step and is not used in the client applications.
|
||||
|
||||
It also protects against an attacker who compromised TLS and uses the sender queue ID sent to the recipient to secure the queue before the sender can. This attack is very hard, and this accepting its risk is better than worse UX. Future protocol versions could mitigate this attack by encrypting entity IDs.
|
||||
|
||||
Faster duplex connection process is possible with the `SKEY` command added in v9 of SMP protocol.
|
||||
|
||||
|
||||
|
||||
1. Alice requests the new connection from the SMP agent A using agent `createConnection` api function
|
||||
2. Agent A creates an SMP queue on the server (using [SMP protocol](./simplex-messaging.md) `NEW` command with the flag allowing the sender to secure the queue) and responds to Alice with the invitation that contains queue information and the encryption keys Bob's agent B should use. The invitation format is described in [Connection link](connection-link-1-time-invitation-and-contact-address).
|
||||
3. Alice sends the [connection link](connection-link-1-time-invitation-and-contact-address) to Bob via any secure channel (out-of-band message) - as a link or as a QR code. This link contains the flag that the queue can be secured by the sender.
|
||||
4. Bob uses agent `joinConnection` api function with the connection link as a parameter to agent B to accept the connection.
|
||||
5. Agent B secures Alice's queue with SMP command `SKEY` - this command can be proxied.
|
||||
6. Agent B creates Bob's SMP reply queue with SMP server `NEW` command (with the flag allowing the sender to secure the queue).
|
||||
7. Agent B confirms the connection: sends an "SMP confirmation" with SMP server `SEND` command to the SMP queue specified in the connection link - SMP confirmation is an unauthenticated message with an ephemeral key that will be used to authenticate Bob's commands to the queue, as described in SMP protocol, and Bob's info (profile, public key for E2E encryption, and the connection link to this 2nd queue to Agent A - this connection link SHOULD use "simplex" URI scheme). This message is encrypted using key passed in the connection link (or with the derived shared secret, in which case public key for key derivation should be sent in clear text).
|
||||
8. Alice confirms the connection:
|
||||
- Agent A receives the SMP confirmation containing Bob's key, reply queue and info as SMP server `MSG`.
|
||||
- Agent A notifies Alice sending `CONF` notification with Bob's info (that indicates that Agent B already secured the queue).
|
||||
- Alice allows connection to continue with agent `allowConnection` api function.
|
||||
- Agent A secures Bob's queue with SMP command `SKEY`.
|
||||
- Agent A sends SMP confirmation with ephemeral public encryption key and profile (but without reply queue, and without sender key).
|
||||
9. Agent A notifies Alice with `CON` notification.
|
||||
10. Agent B notifies Bob about connection success:
|
||||
- receives confirmation message from Alice.
|
||||
- sends the notification `INFO` with Alice's information to Bob.
|
||||
- sends `CON` notification to Bob.
|
||||
|
||||
## Contact addresses
|
||||
|
||||
SMP agents support creating a special type of connection - a contact address - that allows to connect to multiple network users who can send connection requests by sending 1-time connection links to the message queue.
|
||||
|
||||
This connection address uses a messaging queue on SMP server to receive invitations to connect - see `agentInvitation` message below. Once connection request is accepted, a new connection is created and the address itself is no longer used to send the messages - deleting this address does not disrupt the connections that were created via it.
|
||||
|
||||
## Communication between SMP agents
|
||||
|
||||
To establish duplex connections and to send messages on behalf of their clients, SMP agents communicate via SMP servers.
|
||||
|
||||
Agents use SMP message client body (the part of the SMP message after header - see [SMP protocol](./simplex-messaging.md)) to transmit agent client messages and exchange messages between each other.
|
||||
|
||||
These messages are encrypted with per-queue shared secret using NaCL crypto_box and can be of 4 types, as defined by `decryptedSMPClientMessage`:
|
||||
- `agentConfirmation` - used when confirming SMP queues, contains connection information encrypted with double ratchet. This envelope can only contain `agentConnInfo` or `agentConnInfoReply` encrypted with double ratchet.
|
||||
- `agentMsgEnvelope` - contains different agent messages encrypted with double ratchet, as defined in `agentMessage`.
|
||||
- `agentInvitation` - sent to SMP queue that is used as contact address, does not use double ratchet.
|
||||
- `agentRatchetKey` - used to re-negotiate double ratchet encryption - can contain additional information in `agentRatchetKey`.
|
||||
Each SMP message client body, once decrypted, contains 3 parts (one of them may include binary message body), as defined by `decryptedSmpMessageBody` syntax:
|
||||
|
||||
```abnf
|
||||
decryptedSMPClientMessage = agentConfirmation / agentMsgEnvelope / agentInvitation / agentRatchetKey
|
||||
agentConfirmation = agentVersion %s"C" ("0" / "1" sndE2EEncryptionParams) encConnInfo
|
||||
agentVersion = 2*2 OCTET
|
||||
sndE2EEncryptionParams = TODO
|
||||
encConnInfo = doubleRatchetEncryptedMessage
|
||||
|
||||
agentMsgEnvelope = agentVersion %s"M" encAgentMessage
|
||||
encAgentMessage = doubleRatchetEncryptedMessage
|
||||
|
||||
agentInvitation = agentVersion %s"I" connReqLength connReq connInfo
|
||||
connReqLength = 2*2 OCTET ; Word16
|
||||
|
||||
agentRatchetKey = agentVersion %s"R" rcvE2EEncryptionParams agentRatchetInfo
|
||||
rcvE2EEncryptionParams = TODO
|
||||
|
||||
doubleRatchetEncryptedMessage = TODO
|
||||
```
|
||||
|
||||
This syntax of decrypted SMP client message body is defined by `decryptedAgentMessage` below.
|
||||
|
||||
Decrypted SMP message client body can be one of 4 types:
|
||||
- `agentConnInfo` - used by the initiating party when confirming reply queue - sent in `agentConfirmation` envelope.
|
||||
- `agentConnInfoReply` - used by accepting party, includes reply queue(s) in the initial confirmation - sent in `agentConfirmation` envelope.
|
||||
- `agentRatchetInfo` - used to pass additional information when renegotiating double ratchet encryption - sent in `agentRatchetKey` envelope.
|
||||
- `agentMessage` - all other agent messages.
|
||||
|
||||
`agentMessage` contains these parts:
|
||||
- `agentMsgHeader` - agent message header that contains sequential agent message ID for a particular SMP queue, agent timestamp (ISO8601) and the hash of the previous message.
|
||||
- `aMessage` - a command/message to the other SMP agent:
|
||||
- to confirm the connection (`HELLO`).
|
||||
- to send and to confirm reception of user messages (`A_MSG`, `A_RCVD`).
|
||||
- to confirm that the new double ratchet encryption is agreed (`EREADY`).
|
||||
- to notify another party that it can continue sending messages after queue capacity was exceeded (`A_QCONT`).
|
||||
- to manage SMP queue rotation (`QADD`, `QKEY`, `QUSE`, `QTEST`).
|
||||
- `agentMessage` - a command/message to the other SMP agent:
|
||||
- to establish the connection with two SMP queues (`helloMsg`, `replyQueueMsg`)
|
||||
- to send and to acknowledge user messages (`clientMsg`, `acknowledgeMsg`)
|
||||
- to manage SMP queue rotation (`newQueueMessage`, `deleteQueueMsg`)
|
||||
- to manage encryption key rotation (TODO)
|
||||
- `msgPadding` - an optional message padding to make all SMP messages have constant size, to prevent servers from observing the actual message size. The only case the message padding can be absent is when the message has exactly the maximum size, in all other cases the message MUST be padded to a fixed size.
|
||||
|
||||
### Messages between SMP agents
|
||||
@@ -196,160 +130,269 @@ Decrypted SMP message client body can be one of 4 types:
|
||||
Message syntax below uses [ABNF][3] with [case-sensitive strings extension][4].
|
||||
|
||||
```abnf
|
||||
decryptedAgentMessage = agentConnInfo / agentConnInfoReply / agentRatchetInfo / agentMessage
|
||||
agentConnInfo = %s"I" connInfo
|
||||
connInfo = *OCTET
|
||||
agentConnInfoReply = %s"D" smpQueues connInfo
|
||||
agentRatchetInfo = %s"R" ratchetInfo
|
||||
decryptedSmpMessageBody = agentMsgHeader CRLF agentMessage CRLF msgPadding
|
||||
agentMsgHeader = agentMsgId SP previousMsgHash ; here `agentMsgId` is sequential ID set by the sending agent
|
||||
agentMsgId = 1*DIGIT
|
||||
previousMsgHash = encoded
|
||||
encoded = <base64 encoded>
|
||||
|
||||
agentMessage = %s"M" agentMsgHeader aMessage msgPadding
|
||||
agentMsgHeader = agentMsgId prevMsgHash
|
||||
agentMsgId = 8*8 OCTET ; Int64
|
||||
prevMsgHash = shortString
|
||||
agentMessage = helloMsg / replyQueueMsg /
|
||||
clientMsg / invitationMsg /
|
||||
newQueueMessage / deleteQueueMsg
|
||||
|
||||
aMessage = HELLO / A_MSG / A_RCVD / EREADY / A_QCONT /
|
||||
QADD / QKEY / QUSE / QTEST
|
||||
msgPadding = *OCTET ; optional random bytes to get messages to the same size (as defined in SMP message size)
|
||||
|
||||
HELLO = %s"H"
|
||||
helloMsg = %s"H"
|
||||
|
||||
A_MSG = %s"M" userMsgBody
|
||||
userMsgBody = *OCTET
|
||||
replyQueueMsg = %s"R" connectionRequest ; `connectionRequest` is defined below
|
||||
; this message can only be sent by the second connection party
|
||||
|
||||
A_RCVD = %s"V" msgReceipt
|
||||
msgReceipt = agentMsgId msgHash rcptLength rcptInfo
|
||||
clientMsg = %s"M" clientMsgBody
|
||||
clientMsgBody = *OCTET
|
||||
|
||||
EREADY = %s"E" agentMsgId
|
||||
; TODO remove and move to "public" header
|
||||
invitationMsg = %s"INV" SP connReqInvitation SP connInfo
|
||||
; `connReqInvitation` and `connInfo` are defined below
|
||||
|
||||
A_QCONT = %s"QC" sndQueueAddr
|
||||
newQueueMsg = %s"N" queueURI
|
||||
; this message can be sent by any party to add SMP queue to the connection.
|
||||
; NOT SUPPORTED in the current implementation
|
||||
|
||||
QADD = %s"QA" sndQueues
|
||||
sndQueues = length 1*(newQueueUri replacedSndQueue)
|
||||
newQueueUri = clientVRange smpServer senderId dhPublicKey [sndSecure]
|
||||
dhPublicKey = length x509encoded
|
||||
sndSecure = "T"
|
||||
replacedSndQueue = "0" / "1" sndQueueAddr
|
||||
|
||||
QKEY = %s"QK" sndQueueKeys
|
||||
sndQueueKeys = length 1*(newQueueInfo senderKey)
|
||||
newQueueInfo = version smpServer senderId dhPublicKey [sndSecure]
|
||||
senderKey = length x509encoded
|
||||
|
||||
QUSE = %s"QU" sndQueuesReady
|
||||
sndQueuesReady = length 1*(sndQueueAddr primary)
|
||||
primary = %s"T" / %s"F"
|
||||
|
||||
QTEST = %s"QT" sndQueueAddrs
|
||||
sndQueueAddrs = length 1*sndQueueAddr
|
||||
|
||||
sndQueueAddr = smpServer senderId
|
||||
smpServer = hosts port keyHash
|
||||
hosts = length 1*host
|
||||
host = shortString
|
||||
port = shortString
|
||||
keyHash = shortString
|
||||
senderId = shortString
|
||||
|
||||
clientVRange = version version
|
||||
version = 2*2 OCTET
|
||||
|
||||
msgPadding = *OCTET
|
||||
rcptLength = 2*2 OCTET
|
||||
shortString = length *OCTET
|
||||
length = 1*1 OCTET
|
||||
deleteQueueMsg = %s"D" queueURI
|
||||
; notification that the queue with passed URI will be deleted
|
||||
; no need to notify the other party about suspending queue separately, as suspended and deleted queues are indistinguishable to the sender
|
||||
; NOT SUPPORTED in the current implementation
|
||||
```
|
||||
|
||||
#### HELLO message
|
||||
|
||||
This is the first message that both agents send after the respective SMP queue is secured by the receiving agent (see diagram).
|
||||
This is the first message that both agents send after the respective SMP queue is secured by the receiving agent (see diagram). It MAY contain the public key that the recipient would use to verify messages signed by the sender.
|
||||
|
||||
This message is not used with [fast duplex connection](#fast-duplex-connection-procedure).
|
||||
Sending agent might need to retry sending HELLO message, as it would not have any other confirmation that the queue is secured other than the success of sending this message with the signed SMP SEND command.
|
||||
|
||||
#### A_MSG message
|
||||
#### REPLY message
|
||||
|
||||
This is the agent envelope used to send client messages once the connection is established. This is different from the MSG sent by SMP server to the agent and MSG event from SMP agent to the client that are sent in different contexts.
|
||||
This is the message that is sent by the agent that received an out-of-band connection request to pass the connection request for the reply SMP queues to the agent that originated the connection (see diagram).
|
||||
|
||||
#### A_RCVD message
|
||||
#### MSG message
|
||||
|
||||
This message is sent to confirm the client message reception. It includes received message number and message hash.
|
||||
This is the agent envelope used to send client messages once the connection is established. Do not confuse it with the MSG response from SMP server to the agent and MSG response from SMP agent to the client that are sent in different contexts.
|
||||
|
||||
#### EREADY message
|
||||
#### INV message
|
||||
|
||||
This message is sent after re-negotiating a new double ratchet encryption with `agentRatchetKey`.
|
||||
This message is sent to the SMP queue(s) in `connReqContact`, to establish a new connection via existing unsecured queue, that acts as a permanent connection link of a user.
|
||||
|
||||
#### A_QCONT message
|
||||
#### ACK message
|
||||
|
||||
This message is sent to notify the sender client that it can continue sending the messages after queue capacity was exhausted.
|
||||
This message is sent to confirm the client message reception. It includes received message number, message hash and the reception status.
|
||||
|
||||
### Rotating messaging queue
|
||||
#### NEW message
|
||||
|
||||
SMP agents SHOULD support 4 messages to rotate message reception to another messaging server:
|
||||
`QADD`: add the new queue address(es) to the connection - sent by the client that initiates rotation.
|
||||
`QKEY`: pass sender's key via existing connection (SMP confirmation message will not be used, to avoid the same "race" of the initial key exchange that would create the risk of intercepting the queue for the attacker) - sent by the client accepting the rotation
|
||||
`QUSE`: instruct the sender to use the new queue with sender's queue ID as parameter. From this point some messages can be sent to both the new queue and the old queue.
|
||||
`QTEST`: send test message to the new connection. Any other message can be sent if available to continue rotation, the absence of this message is not an error. Once this message is successfully sent the sender will stop using the old queue. Once this message (or any other message in the new queue) is received, the recipient will stop using the old queue and delete it.
|
||||
This message is sent to add an additional SMP queue to the connection. Unlike REPLY message it can be sent at any time.
|
||||
|
||||
**Queue rotation procedure**
|
||||
#### DEL message
|
||||
|
||||
|
||||
This message is sent to notify that the queue with passed URI will be deleted - having received this message, the receiving agent should no longer send messages to this queue. In case it was the last remaining send queue in the duplex connection, the agent MAY also delete the reply queue(s) in the connection.
|
||||
|
||||
`SKEY` command added in v9 of SMP protocol allows for faster queue rotation procedure.
|
||||
## SMP agent commands
|
||||
|
||||
**Fast queue rotation procedure**
|
||||
This part describes the transmissions between users and client-side SMP agents: commands that the users send to create and operate duplex connections and SMP agent responses and messages they deliver.
|
||||
|
||||
|
||||
Commands syntax below is provided using [ABNF][3] with [case-sensitive strings extension][4].
|
||||
|
||||
## End-to-end encryption
|
||||
Each transmission between the user and SMP agent must have this format/syntax:
|
||||
|
||||
Messages between SMP agents have two layers of e2e encryption:
|
||||
- simple encryption agreed in SMP protocol with a fixed key agreed when the messaging queue is agreed by parties.
|
||||
- post-quantum resistant augmented double ratchet algorithm (PQDR) specified in [this document](./pqdr.md).
|
||||
```abnf
|
||||
agentTransmission = [corrId] CRLF [connId] CRLF agentCommand
|
||||
|
||||
The protocol supports adding and removing post-quantum KEM primitive to the key agreement in double ratchet:
|
||||
- to support migration of pre-existing connections to PQDR.
|
||||
- to be able to disable PQ key agreement.
|
||||
- to be able to use invitation links and contact addresses without large PQ keys.
|
||||
corrId = 1*(%x21-7F) ; any characters other than control/whitespace
|
||||
|
||||
Possible scenarios below show the possible states of PQ key agreement, assuming that both clients support it.
|
||||
connId = encoded
|
||||
|
||||
Possible options for each stage are:
|
||||
- no KEM encapsulation key was sent (No PQ key),
|
||||
- only KEM encapsulation key was sent, but not ciphertext yet (PQ key sent),
|
||||
- both KEM encapsulation key from one KEM agreement and ciphertext from the previous agreement were sent (PQ key + PQ ct sent).
|
||||
agentCommand = (userCmd / agentMsg) CRLF
|
||||
userCmd = newCmd / joinCmd / letCmd / acceptCmd / subscribeCmd / sendCmd / acknowledgeCmd / suspendCmd / deleteCmd
|
||||
agentMsg = invitation / confMsg / connReqMsg / connInfo / connected / unsubscribed / connDown / connUp / messageId / sent / messageError / message / received / ok / error
|
||||
|
||||
`+` in the table means that this scenario is possible, and `-` - that it is not possible.
|
||||
newCmd = %s"NEW" SP connectionMode [SP %s"NO_ACK"] ; response is `invitation` or `error`
|
||||
; NO_ACK parameter currently not supported
|
||||
|
||||
| Connection stage | No PQ key | PQ key sent | PQ key + PQ ct sent |
|
||||
|:------------------------------------------------------:|:----------------:|:----------------:|:-------------------:|
|
||||
| invitation | + | + | - |
|
||||
| confirmation, in reply to: <br>no-pq inv <br>pq inv | <br>+<br>+ | <br>+<br>- | <br>-<br>+ |
|
||||
| 1st msg, in reply to: <br>no-pq conf <br>pq/pq+ct conf | <br>+<br>+ | <br>+<br>- | <br>-<br>+ |
|
||||
| Nth msg, in reply to: <br>no-pq msg <br>pq/pq+ct msg | <br>+<br>+ | <br>+<br>- | <br>-<br>+ |
|
||||
connectionMode = %s"INV" / %s"CON"
|
||||
|
||||
These scenarios can be reduced to:
|
||||
1. initial invitation optionally has PQ key, but must not have ciphertext.
|
||||
2. all subsequent messages should be allowed without PQ key/ciphertext, but:
|
||||
- if the previous message had PQ key or PQ key with ciphertext, they must either have no PQ key, or have PQ key with ciphertext (PQ key without ciphertext is an error).
|
||||
- if the previous message had no PQ key, they must either have no PQ key, or have PQ key without ciphertext (PQ key with ciphertext is an error).
|
||||
invitation = %s"INV" SP connectionRequest ; `connectionRequest` is defined below
|
||||
|
||||
The rules for calculating the shared secret for received/sent messages are (assuming received message is valid according to the above rules):
|
||||
confMsg = %s"CONF" SP confirmationId SP msgBody
|
||||
; msgBody here is any binary information identifying connection request
|
||||
|
||||
| sent msg > <br>V received msg | no-pq | pq | pq+ct |
|
||||
|:------------------------------:|:-----------:|:-------:|:---------------:|
|
||||
| no-pq | DH / DH | DH / DH | err |
|
||||
| pq (sent msg was NOT pq) | DH / DH | err | DH / DH+KEM |
|
||||
| pq+ct (sent msg was NOT no-pq) | DH+KEM / DH | err | DH+KEM / DH+KEM |
|
||||
letCmd = %s"LET" SP confirmationId SP msgBody
|
||||
; msgBody here is any binary information identifying connecting party
|
||||
|
||||
To summarize, the upgrade to DH+KEM secret happens in a sent message that has PQ key with ciphertext sent in reply to message with PQ key only (without ciphertext), and the downgrade to DH secret happens in the message that has no PQ key.
|
||||
confirmationId = 1*DIGIT
|
||||
|
||||
## Connection link: 1-time invitation and contact address
|
||||
connReqMsg = %s"REQ" SP invitationId SP msgBody
|
||||
; msgBody here is any binary information identifying connection request
|
||||
|
||||
Connection links are generated by SMP agent in response to `createConnection` api call, used by another party user with `joinConnection` api, and then another connection link is sent by the agent in `agentConnInfoReply` and used by the first party agent to connect to the reply queue (the second part of the process is invisible to the users).
|
||||
acceptCmd = %s"ACPT" SP invitationId SP msgBody
|
||||
; msgBody here is any binary information identifying connecting party
|
||||
|
||||
Connection link syntax:
|
||||
invitationId = 1*DIGIT
|
||||
|
||||
connInfo = %s"INFO" SP msgBody
|
||||
; msgBody here is any binary information identifying connecting party
|
||||
|
||||
connected = %s"CON"
|
||||
|
||||
subscribeCmd = %s"SUB" ; response is `ok` or `error`
|
||||
|
||||
unsubscribed = %s"END"
|
||||
; when another agent (or another client of the same agent)
|
||||
; subscribes to the same SMP queue on the server
|
||||
|
||||
connDown = %s"DOWN"
|
||||
; lost connection (e.g. because of Internet connectivity or server is down)
|
||||
|
||||
connUp = %s"UP"
|
||||
; restored connection
|
||||
|
||||
joinCmd = %s"JOIN" SP connectionRequest SP connInfo [SP %s"NO_REPLY"] [SP %s"NO_ACK"]
|
||||
; `connectionRequest` and `connInfo` are defined below
|
||||
; response is `connected` or `error`
|
||||
; parameters NO_REPLY and NO_ACK are currently not supported
|
||||
|
||||
suspendCmd = %s"OFF" ; can be sent by either party, response `ok` or `error`
|
||||
|
||||
deleteCmd = %s"DEL" ; can be sent by either party, response `ok` or `error`
|
||||
|
||||
sendCmd = %s"SEND" SP msgBody
|
||||
; send syntax is similar to that of SMP protocol, but it is wrapped in SMP message
|
||||
msgBody = stringMsg | binaryMsg
|
||||
stringMsg = ":" string ; until CRLF in the transmission
|
||||
string = *(%x01-09 / %x0B-0C / %x0E-FF %) ; any characters other than NUL, CR and LF
|
||||
binaryMsg = size CRLF msgBody CRLF ; the last CRLF is in addition to CRLF in the transmission
|
||||
size = 1*DIGIT ; size in bytes
|
||||
msgBody = *OCTET ; any content of specified size - safe for binary
|
||||
|
||||
messageId = %s"MID" SP agentMsgId
|
||||
|
||||
sent = %s"SENT" SP agentMsgId
|
||||
|
||||
messageError = %s"MERR" SP agentMsgId SP <errorType>
|
||||
|
||||
message = %s"MSG" SP msgIntegrity SP recipientMeta SP brokerMeta SP senderMeta SP binaryMsg
|
||||
recipientMeta = %s"R=" agentMsgId "," agentTimestamp ; receiving agent message metadata
|
||||
brokerMeta = %s"B=" brokerMsgId "," brokerTimestamp ; broker (server) message metadata
|
||||
senderMeta = %s"S=" agentMsgId ; sending agent message ID
|
||||
brokerMsgId = encoded
|
||||
brokerTimestamp = <date-time>
|
||||
msgIntegrity = ok / msgIntegrityError
|
||||
|
||||
msgIntegrityError = %s"ERR" SP msgIntegrityErrorType
|
||||
msgIntegrityErrorType = skippedMsgErr / badMsgIdErr / badHashErr
|
||||
|
||||
skippedMsgErr = %s"NO_ID" SP missingFromMsgId SP missingToMsgId
|
||||
badMsgIdErr = %s"ID" SP previousMsgId ; ID is lower than the previous
|
||||
badHashErr = %s"HASH"
|
||||
|
||||
missingFromMsgId = agentMsgId
|
||||
missingToMsgId = agentMsgId
|
||||
previousMsgId = agentMsgId
|
||||
|
||||
acknowledgeCmd = %s"ACK" SP agentMsgId ; ID assigned by receiving agent (in MSG "R")
|
||||
|
||||
received = %s"RCVD" SP agentMsgId SP msgIntegrity
|
||||
; ID assigned by sending agent (in SENT response)
|
||||
; currently not implemented
|
||||
|
||||
msgStatus = ok | error
|
||||
|
||||
ok = %s"OK"
|
||||
|
||||
error = %s"ERR" SP <errorType>
|
||||
```
|
||||
|
||||
### Client commands and server responses
|
||||
|
||||
#### NEW command and INV response
|
||||
|
||||
`NEW` command is used to create a connection and a connection request to be sent out-of-band to another protocol user (the joining party). It should be used by the client of the agent that initiates creating a duplex connection (the initiating party).
|
||||
|
||||
`INV` response is sent by the agent to the client of the initiating party.
|
||||
|
||||
`NEW` command has `connectionMode` parameter to define the connection mode - to be used to communicate with a single contact (invitation mode, `connectionMode` is `INV`) or to accept connection requests from anybody (contact mode, `connectionMode` is `CON`). The type of connection request is determined by `connectionMode` parameter.
|
||||
|
||||
#### JOIN command
|
||||
|
||||
It is used to create a connection and accept the connection request received out-of-band. It should be used by the client of the agent that accepts the connection (the joining party).
|
||||
|
||||
#### CONF notification and LET command
|
||||
|
||||
When the joining party uses `JOIN` command to accept connection invitation created with `NEW INV` command, the initiating party will receive `CONF` notification with some numeric identifier and an additional binary information, that can be used to identify the joining party or for any other purpose.
|
||||
|
||||
To continue with the connection the initiating party should use `LET` command.
|
||||
|
||||
#### REQ notification and ACPT command
|
||||
|
||||
When the joining party uses `JOIN` command to connect to the contact created with `NEW CON` command, the initiating party will receive `REQ` notification with some numeric identifier and an additional binary information, that can be used to identify the joining party or for any other purpose.
|
||||
|
||||
To continue with the connection the party that created the contact should use `ACPT` command.
|
||||
|
||||
#### INFO and CON notifications
|
||||
|
||||
After the initiating party proceeds with the connection using `ACPT` command, the joining party will receive `INFO` notification that can be used to identify the initiating party or for any other purpose.
|
||||
|
||||
Once the connection is established and ready to accept client messages, both agents will send `CON` notification to their clients.
|
||||
|
||||
#### SUB command
|
||||
|
||||
This command can be used by the client to resume receiving messages from the connection that was created in another TCP/client session. Agent response to this command can be `OK` or `ERR` in case connection does not exist (or can only be used to send connections - e.g. when the reply queue was not created).
|
||||
|
||||
#### SEND command and MID, SENT, RCVD and MERR responses
|
||||
|
||||
`SEND` command is used by the client to send messages.
|
||||
|
||||
`MID` response with the message ID (the sequential message number that includes both sent and received messages in the connection) is sent to the client to confirm that the message is accepted by the agent, before it is sent to the SMP server.
|
||||
|
||||
`SENT` notification is sent by the agent to confirm that the message was delivered to at least one of SMP servers. This notification contains the same message ID as `MID` notification. `SENT` notification, depending on network availability, can be sent at any time later, potentially in the next client session.
|
||||
|
||||
`RCVD` notification is sent by the agent when it receives `ACK` message from the receiving agent. This notification contains reception status, only one successful notification will be sent, and multiple error notifications will be sent in case `ACK` had error status.
|
||||
|
||||
In case of the failure to send the message for any other reason than network connection or message queue quota - e.g. authentication error (`ERR AUTH`) or syntax error (`ERR CMD error`), the agent will send to the client `MERR` notification with the message ID, and this message delivery will no longer be attempted to this SMP queue.
|
||||
|
||||
#### MSG notification
|
||||
|
||||
It is sent by the agent to the client when agent receives the message from the SMP server. It has message ID and timestamp from both the receiving and sending agents and from SMP server:
|
||||
- recipient agent ID is intended to be used to refer to the message in the future.
|
||||
- sender agent ID is intended to be used to identify any missed / skipped message(s)
|
||||
- broker ID should be used to detect duplicate deliveries (it would happen if TCP connection is lost before the message is acknowledged by the agent - see [SMP protocol](./simplex-messaging.md))
|
||||
|
||||
#### END notification
|
||||
|
||||
It is sent by the agent to the client when agent receives SMP protocol `END` notification from SMP server. It indicates that another agent has subscribed to the same SMP queue on the server and the server terminated the subscription of the current agent.
|
||||
|
||||
#### DOWN and UP notifications
|
||||
|
||||
These notifications are sent when server or network connection is, respectively, `DOWN` or back `UP`.
|
||||
|
||||
All the subscriptions made in the current client session will be automatically resumed when `UP` notification is received.
|
||||
|
||||
#### OFF command
|
||||
|
||||
It is used to suspend the receiving SMP queue - sender will no longer be able to send the messages to the connection, but the recipient can retrieve the remaining messages. Agent response to this command can be `OK` or `ERR`. This command is irreversible.
|
||||
|
||||
#### DEL command
|
||||
|
||||
It is used to delete the connection and all messages in it, as well as the receiving SMP queue and all messages in it that were remaining on the server. Agent response to this command can be `OK` or `ERR`. This command is irreversible.
|
||||
|
||||
## Connection request
|
||||
|
||||
Connection request `connectionRequest` is generated by SMP agent in response to `newCmd` command (`"NEW"`), used by another party user with `joinCmd` command (`"JOIN"`), and then another connection request is sent by the agent in `replyQueueMsg` and used by the first party agent to connect to the reply queue (the second part of the process is invisible to the users).
|
||||
|
||||
Connection request syntax:
|
||||
|
||||
```
|
||||
connectionLink = connectionScheme "/" connLinkType "#/?smp=" smpQueues "&e2e=" e2eEncryption
|
||||
connLinkType = %s"invitation" / %s"contact"
|
||||
connectionRequest = connectionScheme "/" connReqType "#/?smp=" smpQueues "&e2e=" e2eEncryption
|
||||
connReqType = %s"invitation" / %s"contact"
|
||||
; this parameter has the same meaning as connectionMode in agent commands
|
||||
; `NEW INV` creates `invitation` connection request, `NEW CON` - `contact`
|
||||
connectionScheme = (%s"https://" clientAppServer) | %s"simplex:"
|
||||
clientAppServer = hostname [ ":" port ]
|
||||
; client app server, e.g. simplex.chat
|
||||
@@ -364,112 +407,12 @@ smpQueue = <URL-encoded queueURI defined in SMP protocol>
|
||||
|
||||
All parameters are passed via URI hash to avoid sending them to the server (in case "https" scheme is used) - they can be used by the client-side code and processed by the client application. Parameters `smp` and `e2e` can be present in any order, any unknown additional parameters SHOULD be ignored.
|
||||
|
||||
`clientAppServer` is not an SMP server - it is a server that shows the instruction on how to download the client app that will connect using this connection link. This server can also host a mobile or desktop app manifest so that this link is opened directly in the app if it is installed on the device.
|
||||
`clientAppServer` is not an SMP server - it is a server that shows the instruction on how to download the client app that will connect using this connection request. This server can also host a mobile or desktop app manifest so that this link is opened directly in the app if it is installed on the device.
|
||||
|
||||
"simplex" URI scheme in `connectionProtocol` can be used instead of client app server, to connect without creating any web traffic. Client apps MUST support this URI scheme.
|
||||
|
||||
See SMP protocol [out-of-band messages](./simplex-messaging.md#out-of-band-messages) for syntax of `queueURI`.
|
||||
|
||||
## Appendix A: SMP agent API
|
||||
|
||||
The exact specification of agent library API and of the events that the agent sends to the client application is out of scope of the protocol specification.
|
||||
|
||||
The list of some of the API functions and events below is supported by the reference implementation, and they are likely to be required by the client applications.
|
||||
|
||||
### API functions
|
||||
|
||||
The list of APIs below is not exhaustive and provided for information only. Please consult the source code for more information.
|
||||
|
||||
#### Create conection
|
||||
|
||||
`createConnection` api is used to create a connection - it returns the connection link that should be sent out-of-band to another protocol user (the joining party). It should be used by the client of the agent that initiates creating a duplex connection (the initiating party).
|
||||
|
||||
This api is also used to create a contact address - a special connection that can be used by multiple people to connect to the user.
|
||||
|
||||
Some communication scenarios may require fault-tolerant mechanism of creating connections that retries on network failures and continue retrying after the client is restarted. Such asynchronous API would return its result via `INV` event once it succeeds.
|
||||
|
||||
#### Join connection
|
||||
|
||||
`joinConnection` is used to create a connection record and accept the connection invitation received out-of-band. It should be used by the client of the agent that accepts the connection (the joining party).
|
||||
|
||||
This api can also be required as asynchronous, in which case `OK` event will be dispatched to the client to indicate the success or `ERR` in case it permanently failed (e.g., in case connection was deleted by another party).
|
||||
|
||||
#### Allow connection
|
||||
|
||||
Once the client receives `CONF` event, it should use synchronous `allowConnection` api to proceed with the connection (both for the [standard](#duplex-connection-procedure) and for the [fast duplex procedure](#fast-duplex-connection-procedure)).
|
||||
|
||||
In case this API is used as asynchronous it will return its result via `OK` or `ERR` event.
|
||||
|
||||
#### Accept and reject connection requests
|
||||
|
||||
Connection requests are delivered to the client application via `REQ` event.
|
||||
|
||||
Client can `acceptContact` and `rejectContact`, with `OK` and `ERR` events in case of asynchronous calls.
|
||||
|
||||
#### Send message
|
||||
|
||||
`sendMessage` api is always asynchronous. The api call returns message ID, `SENT` event once the message is sent to the server, `MWARN` event in case of temporary delivery failure that can be resolved by the user (e.g., by connecting via Tor or by upgrading the client) and `MERR` in case of permanent delivery failure.
|
||||
|
||||
#### Acknowledge received message
|
||||
|
||||
Messages are delivered to the client application via `MSG` event.
|
||||
|
||||
Client application must always `ackMessage` to receive the next one - failure to call it in reference implementation will prevent the delivery of subsequent messages until the client reconnects to the server.
|
||||
|
||||
This api is also used to acknowledge message delivery to the sending party - that party client application will receive `RCVD` event.
|
||||
|
||||
#### Subscribe connection
|
||||
|
||||
`subscribeConnection` api is used by the client to resume receiving messages from the connection that was created in another TCP/client session.
|
||||
|
||||
#### Get notification message
|
||||
|
||||
`getNotificationMessage` is used by push notification subsystem of the client application to receive the message from a specific messaging queue mentioned in the notification. The client application would receive `MSG` and any other events from the agent, and then `MSGNTF` event once the message related to this notification is received.
|
||||
|
||||
#### Rotate message queue to another server
|
||||
|
||||
`switchConnection` api is used to rotate connection queues to another messaging server.
|
||||
|
||||
#### Renegotiate e2e encryption
|
||||
|
||||
`synchronizeRatchet` api is used to re-negotiate double ratchet encryption for the connection.
|
||||
|
||||
#### Delete connection
|
||||
|
||||
`deleteConnection` api is used to delete connection. In case of asynchronous call, the connection deletion will be confirmed with `DEL_RCVQ` and `DEL_CONN` events.
|
||||
|
||||
#### Suspend connection
|
||||
|
||||
`suspendConnection` api is used to prevent any further messages delivered to the connection without deleting it.
|
||||
|
||||
### API events
|
||||
|
||||
Agent API uses these events dispatch to notify client application about events related to the connections:
|
||||
- `INV` - connection invitation or connection address URI after connection is created.
|
||||
- `CONF` - confirmation that connection is accepted by another party. When the accepting party uses `joinConnection` api to accept connection invitation, the initiating party will receive `CONF` notification with some identifier and additional information from the accepting party (e.g., profile). To continue the connection the initiating party client should use `allowConnection` api.
|
||||
- `REQ` - connection request is sent when another party uses `joinConnection` api with contact address. The client application can use `acceptContact` or `rejectContact` api.
|
||||
- `INFO` - information from the party that initiated the connection with `createConnection` sent to the party accepting the connection with `joinConnection`.
|
||||
- `CON` - notification that connection is established sent to both parties of the connection.
|
||||
- `END` - notification that connection subscription is terminated when another client subscribed to the same messaging queue.
|
||||
- `DOWN` - notification that connection server is temporarily unavailable.
|
||||
- `UP` - notification that the subscriptions made in the current client session are resumed after the server became available.
|
||||
- `SWITCH` - notification about queue rotation process.
|
||||
- `RSYNC` - notification about e2e encryption re-negotiation process.
|
||||
- `SENT` - notification to confirm that the message was delivered to at least one of SMP servers. This notification contains the same message ID as returned to `sendMessage` api. `SENT` notification, depending on network availability, can be sent at any time later, potentially in the next client session.
|
||||
- `MWARN` - temporary delivery failure that can be resolved by the user (e.g., by connecting via Tor or by upgrading the client).
|
||||
- `MERR` - notification about permanent message delivery failure.
|
||||
- `MERRS` - notification about permanent message delivery failure for multiple messages (e.g., when multiple messages expire).
|
||||
- `MSG` - sent when agent receives the message from the SMP server.
|
||||
- `MSGNTF` - sent after agent received and processed the message referenced in the push notification.
|
||||
- `RCVD` - notification confirming message receipt by another party.
|
||||
- `QCONT` - notification that the agent continued sending messages after queue capacity was exceeded and recipient received all messages.
|
||||
- `DEL_RCVQ` - confirmation that message queue was deleted.
|
||||
- `DEL_CONN` - confirmation that connection was deleted.
|
||||
- `OK` - confirmation that asynchronous api call was successful.
|
||||
- `ERR` - error of asynchronous api call or some other error event.
|
||||
|
||||
This list of events is not exhaustive and provided for information only. Please consult the source code for more information.
|
||||
|
||||
[1]: https://en.wikipedia.org/wiki/End-to-end_encryption
|
||||
[2]: https://en.wikipedia.org/wiki/Man-in-the-middle_attack
|
||||
[3]: https://tools.ietf.org/html/rfc5234
|
||||
|
||||
@@ -1,65 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant A as Alice
|
||||
participant AA as Alice's<br>agent
|
||||
participant AS as Alice's<br>server
|
||||
participant BS as Bob's<br>server
|
||||
participant BA as Bob's<br>agent
|
||||
participant B as Bob
|
||||
|
||||
note over AA, BA: status (receive/send): NONE/NONE
|
||||
|
||||
note over A, AA: 1. request connection<br>from agent
|
||||
A ->> AA: createConnection
|
||||
|
||||
note over AA, AS: 2. create Alice's SMP queue
|
||||
AA ->> AS: NEW: create SMP queue<br>allow sender to secure
|
||||
AS ->> AA: IDS: SMP queue IDs
|
||||
note over AA: status: NEW/NONE
|
||||
|
||||
AA ->> A: INV: invitation<br>to connect
|
||||
|
||||
note over A, B: 3. out-of-band invitation
|
||||
A ->> B: OOB: invitation to connect
|
||||
|
||||
note over BA, B: 4. accept connection
|
||||
B ->> BA: joinConnection:<br>via invitation info
|
||||
note over BA: status: NONE/NEW
|
||||
|
||||
note over BA, AS: 5. secure Alice's SMP queue
|
||||
BA ->> AS: SKEY: secure queue (this command needs to be proxied)
|
||||
note over BA: status: NONE/SECURED
|
||||
|
||||
note over BA, BS: 6. create Bob's SMP queue
|
||||
BA ->> BS: NEW: create SMP queue<br>allow sender to secure
|
||||
BS ->> BA: IDS: SMP queue IDs
|
||||
note over BA: status: NEW/SECURED
|
||||
|
||||
note over BA, AA: 7. confirm Alice's SMP queue
|
||||
BA ->> AS: SEND: Bob's info without sender's key (SMP confirmation with reply queues)
|
||||
note over BA: status: NEW/CONFIRMED
|
||||
|
||||
AS ->> AA: MSG: Bob's info without<br>sender server key
|
||||
note over AA: status: CONFIRMED/NEW
|
||||
AA ->> AS: ACK: confirm message
|
||||
AA ->> A: CONF: connection request ID<br>and Bob's info
|
||||
A -> AA: allowConnection: accept connection request,<br>send Alice's info
|
||||
|
||||
note over AA, BS: 8. secure Bob's SMP queue
|
||||
AA ->> BS: SKEY: secure queue (this command needs to be proxied)
|
||||
note over BA: status: CONFIRMED/SECURED
|
||||
|
||||
AA ->> BS: SEND: Alice's info without sender's server key (SMP confirmation without reply queues)
|
||||
note over AA: status: CONFIRMED/CONFIRMED
|
||||
|
||||
note over AA, A: 9. notify Alice<br>about connection success<br>(no HELLO needed in v6)
|
||||
AA ->> A: CON: connected
|
||||
note over AA: status: ACTIVE/ACTIVE
|
||||
|
||||
note over BA, B: 10. notify Bob<br>about connection success
|
||||
BS ->> BA: MSG: Alice's info without<br>sender's server key
|
||||
note over BA: status: CONFIRMED/CONFIRMED
|
||||
BA ->> B: INFO: Alice's info
|
||||
BA ->> BS: ACK: confirm message
|
||||
|
||||
BA ->> B: CON: connected
|
||||
note over BA: status: ACTIVE/ACTIVE
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 40 KiB |
@@ -8,8 +8,8 @@ sequenceDiagram
|
||||
|
||||
note over AA, BA: status (receive/send): NONE/NONE
|
||||
|
||||
note over A, AA: 1. request connection<br>from agent
|
||||
A ->> AA: createConnection
|
||||
note over A, AA: 1. request connection from agent
|
||||
A ->> AA: NEW: create<br>duplex connection
|
||||
|
||||
note over AA, AS: 2. create Alice's SMP queue
|
||||
AA ->> AS: NEW: create SMP queue
|
||||
@@ -17,58 +17,63 @@ sequenceDiagram
|
||||
note over AA: status: NEW/NONE
|
||||
|
||||
AA ->> A: INV: invitation<br>to connect
|
||||
note over AA: status: PENDING/NONE
|
||||
|
||||
note over A, B: 3. out-of-band invitation
|
||||
A ->> B: OOB: invitation to connect
|
||||
|
||||
note over BA, B: 4. accept connection
|
||||
B ->> BA: joinConnection:<br>via invitation info
|
||||
B ->> BA: JOIN:<br>via invitation info
|
||||
note over BA: status: NONE/NEW
|
||||
|
||||
note over BA, BS: 5. create Bob's SMP queue
|
||||
BA ->> BS: NEW: create SMP queue
|
||||
BS ->> BA: IDS: SMP queue IDs
|
||||
note over BA: status: NEW/NEW
|
||||
|
||||
note over BA, AA: 6. confirm Alice's SMP queue
|
||||
BA ->> AS: SEND: Bob's info and sender server key (SMP confirmation with reply queues)
|
||||
note over BA: status: NEW/CONFIRMED
|
||||
|
||||
note over BA, AA: 5. establish Alice's SMP queue
|
||||
BA ->> AS: SEND: Bob's info and sender server key (SMP confirmation)
|
||||
note over BA: status: NONE/CONFIRMED
|
||||
activate BA
|
||||
AS ->> AA: MSG: Bob's info and<br>sender server key
|
||||
note over AA: status: CONFIRMED/NONE
|
||||
AA ->> AS: ACK: confirm message
|
||||
AA ->> A: CONF: connection request ID<br>and Bob's info
|
||||
A ->> AA: allowConnection: accept connection request,<br>send Alice's info
|
||||
AA ->> A: REQ: connection request ID<br>and Bob's info
|
||||
A ->> AA: ACPT: accept connection request,<br>send Alice's info
|
||||
AA ->> AS: KEY: secure queue
|
||||
note over AA: status: SECURED/NONE
|
||||
|
||||
AA ->> BS: SEND: Alice's info and sender's server key (SMP confirmation without reply queues)
|
||||
note over AA: status: SECURED/CONFIRMED
|
||||
BA ->> AS: SEND: HELLO: try sending until successful
|
||||
deactivate BA
|
||||
note over BA: status: NONE/ACTIVE
|
||||
AS ->> AA: MSG: HELLO: Alice's agent<br>knows Bob can send
|
||||
note over AA: status: ACTIVE/NONE
|
||||
AA ->> AS: ACK: confirm message
|
||||
|
||||
note over BA, AA: 7. confirm Bob's SMP queue
|
||||
note over BA, BS: 6. create Bob's SMP queue
|
||||
BA ->> BS: NEW: create SMP queue
|
||||
BS ->> BA: IDS: SMP queue IDs
|
||||
note over BA: status: NEW/ACTIVE
|
||||
|
||||
note over AA, BA: 7. establish Bob's SMP queue
|
||||
BA ->> AS: SEND: REPLY: invitation to the connect
|
||||
note over BA: status: PENDING/ACTIVE
|
||||
AS ->> AA: MSG: REPLY: invitation<br>to connect
|
||||
note over AA: status: ACTIVE/NEW
|
||||
AA ->> AS: ACK: confirm message
|
||||
|
||||
AA ->> BS: SEND: Alice's info and sender's server key
|
||||
note over AA: status: ACTIVE/CONFIRMED
|
||||
activate AA
|
||||
BS ->> BA: MSG: Alice's info and<br>sender's server key
|
||||
note over BA: status: CONFIRMED/CONFIRMED
|
||||
note over BA: status: CONFIRMED/ACTIVE
|
||||
BA ->> B: INFO: Alice's info
|
||||
BA ->> BS: ACK: confirm message
|
||||
BA ->> BS: KEY: secure queue
|
||||
note over BA: status: SECURED/CONFIRMED
|
||||
|
||||
BA ->> AS: SEND: HELLO message
|
||||
|
||||
note over BA: status: SECURED/ACTIVE
|
||||
|
||||
AS ->> AA: MSG: HELLO: Alice's agent<br>knows Bob can send
|
||||
note over AA: status: SECURED/ACTIVE
|
||||
AA ->> AS: ACK: confirm message
|
||||
AA ->> BS: SEND: HELLO
|
||||
|
||||
note over A, AA: 8. notify Alice<br>about connection success
|
||||
AA ->> A: CON: connected
|
||||
AA ->> BS: SEND: HELLO: try sending until successful
|
||||
deactivate AA
|
||||
note over AA: status: ACTIVE/ACTIVE
|
||||
|
||||
BS ->> BA: MSG: HELLO: Bob's agent<br>knows Alice can send
|
||||
note over BA: status: ACTIVE/ACTIVE
|
||||
BA ->> BS: ACK: confirm message
|
||||
|
||||
note over BA, B: 9. notify Bob<br>about connection success
|
||||
note over A, B: 8. notify users about connection success
|
||||
AA ->> A: CON: connected
|
||||
BA ->> B: CON: connected
|
||||
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 40 KiB After Width: | Height: | Size: 35 KiB |
@@ -1,17 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant A as Alice
|
||||
participant R as Current server<br>that has A's<br>receive queue
|
||||
participant R' as New server<br>that has the new A's<br>receive queue
|
||||
participant S as Server<br>that has A's send queue<br>(B's receive queue)
|
||||
participant B as Bob
|
||||
|
||||
A ->> R': NEW: create new queue<br>(allow SKEY)
|
||||
A ->> S: SEND: QADD (R'): send address<br>of the new queue(s)
|
||||
S ->> B: MSG: QADD (R')
|
||||
B ->> R': SKEY: secure new queue
|
||||
B ->> R': SEND: QTEST
|
||||
R' ->> A: MSG: QTEST
|
||||
A ->> R: DEL: delete the old queue
|
||||
B ->> R': SEND: send messages to the new queue
|
||||
R' ->> A: MSG: receive messages from the new queue
|
||||
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 27 KiB |
@@ -1,21 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant A as Alice
|
||||
participant R as Current server<br>that has A's<br>receive queue
|
||||
participant R' as New server<br>that has the new A's<br>receive queue
|
||||
participant S as Server<br>that has A's send queue<br>(B's receive queue)
|
||||
participant B as Bob
|
||||
|
||||
A ->> R': NEW: create new queue
|
||||
A ->> S: SEND: QADD (R'): send address<br>of the new queue(s)
|
||||
S ->> B: MSG: QADD (R')
|
||||
B ->> R: SEND: QKEY (R'): sender's key<br>for the new queue(s)
|
||||
R ->> A: MSG: QKEY(R')
|
||||
A ->> R': KEY: secure new queue
|
||||
A ->> S: SEND: QUSE (R'): instruction to use new queue(s)
|
||||
S ->> B: MSG: QUSE (R')
|
||||
B ->> R': SEND: QTEST
|
||||
R' ->> A: MSG: QTEST
|
||||
A ->> R: DEL: delete the old queue
|
||||
B ->> R': SEND: send messages to the new queue
|
||||
R' ->> A: MSG: receive messages from the new queue
|
||||
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 28 KiB |
@@ -1,30 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant M as mobile app
|
||||
participant C as chat core
|
||||
participant A as agent
|
||||
participant P as push server
|
||||
participant APN as APN
|
||||
|
||||
note over M, APN: get device token
|
||||
M ->> APN: registerForRemoteNotifications()
|
||||
APN ->> M: device token
|
||||
|
||||
note over M, P: register device token with push server
|
||||
M ->> C: /_ntf register <token>
|
||||
C ->> A: registerNtfToken(<token>)
|
||||
A ->> P: TNEW
|
||||
P ->> A: ID (tokenId)
|
||||
A ->> C: registered
|
||||
C ->> M: registered
|
||||
|
||||
note over M, APN: verify device token
|
||||
P ->> APN: E2E encrypted code<br>in background<br>notification
|
||||
APN ->> M: deliver background notification with e2ee verification token
|
||||
M ->> C: /_ntf verify <e2ee code>
|
||||
C ->> A: verifyNtfToken(<e2ee code>)
|
||||
A ->> P: TVFY code
|
||||
P ->> A: OK / ERR
|
||||
A ->> C: verified
|
||||
C ->> M: verified
|
||||
|
||||
note over M, APN: now token ID can be used
|
||||
@@ -1,26 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant C as client app
|
||||
participant A as agent
|
||||
participant P as SimpleX<br>Notification<br>Server
|
||||
participant APN as Apple<br>Push Notifications<br>Server
|
||||
|
||||
note over C, APN: get device token
|
||||
C ->> APN: registerForRemoteNotifications()
|
||||
APN ->> C: device token
|
||||
|
||||
note over C, P: register device token with push server
|
||||
C ->> A: registerToken
|
||||
A ->> P: TNEW
|
||||
P ->> A: ID (tokenId)
|
||||
A ->> C: registered
|
||||
|
||||
note over C, APN: verify device token
|
||||
P ->> APN: E2E encrypted code<br>in background<br>notification
|
||||
APN ->> C: deliver background notification with e2ee verification token
|
||||
C ->> A: verifyToken<br>(<e2ee code>)
|
||||
A ->> P: TVFY code
|
||||
P ->> A: OK / ERR
|
||||
A ->> C: verified
|
||||
|
||||
note over C, APN: now token ID can be used
|
||||
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 28 KiB |
@@ -1,40 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant M as mobile app
|
||||
participant C as chat core
|
||||
participant A as agent
|
||||
participant S as SMP server
|
||||
participant N as NTF server
|
||||
participant APN as APN
|
||||
|
||||
note over M, APN: register subscription
|
||||
|
||||
alt register existing
|
||||
M -->> A: on /_ntf register, for subscribed queues
|
||||
else create new connection
|
||||
A -->> S: NEW / JOIN
|
||||
note over A, S: ...<br>Connection handshake<br>...
|
||||
S -->> A: CON
|
||||
end
|
||||
A ->> S: NKEY nKey
|
||||
S ->> A: NID nId
|
||||
A ->> N: SNEW tknId dhKey (smpServer, nId, nKey)
|
||||
N ->> A: ID subId dhKey
|
||||
N ->> S: NSUB nId
|
||||
S ->> N: OK [/ NMSG]
|
||||
|
||||
note over M, APN: notify about message
|
||||
|
||||
S ->> N: NMSG
|
||||
N ->> APN: APNSMutableContent<br>ntfQueue, nonce
|
||||
APN ->> M: UNMutableNotificationContent
|
||||
note over M, S: ...<br>Client awaken, message is received<br>...
|
||||
S ->> M: message
|
||||
note over M: mutate notification
|
||||
|
||||
note over M, APN: change APN token
|
||||
|
||||
APN ->> M: new device token
|
||||
M -->> C: /_ntf_sub update tkn
|
||||
C -->> A: updateNtfToken()
|
||||
A -->> N: TUPD tknId newDeviceToken
|
||||
note over M, N: ...<br>Verify token<br>...
|
||||
@@ -1,38 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant C as client app
|
||||
participant A as agent
|
||||
participant S as SMP server
|
||||
participant N as NTF server
|
||||
participant APN as APN
|
||||
|
||||
note over C, APN: register subscription
|
||||
|
||||
alt register existing
|
||||
C -->> A: registerToken
|
||||
else create new connection
|
||||
A -->> S: create/joinConnection
|
||||
note over A, S: ...<br>Connection handshake<br>...
|
||||
S -->> A: CON
|
||||
end
|
||||
A ->> S: NKEY nKey
|
||||
S ->> A: NID nId
|
||||
A ->> N: SNEW tknId dhKey (smpServer, nId, nKey)
|
||||
N ->> A: ID subId dhKey
|
||||
N ->> S: NSUB nId
|
||||
S ->> N: OK / NMSG:<br>confirm subscription
|
||||
|
||||
note over C, APN: notify about message
|
||||
|
||||
S ->> N: NMSG
|
||||
N ->> APN: APNSMutableContent<br>ntfQueue, nonce
|
||||
APN ->> C: UNMutableNotificationContent
|
||||
note over C, S: ...<br>Client awaken, message is received<br>...
|
||||
S ->> C: message
|
||||
note over C: show notification
|
||||
|
||||
note over C, APN: change APN token
|
||||
|
||||
APN ->> C: new device token
|
||||
C -->> A: updateToken()
|
||||
A -->> N: TUPD tknId newDeviceToken
|
||||
note over C, N: ...<br>Verify token<br>...
|
||||
File diff suppressed because one or more lines are too long
|
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@@ -1,23 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant B as Bob (sender)
|
||||
participant S as server (queue RID)
|
||||
participant A as Alice (recipient)
|
||||
|
||||
note over A: creating queue<br>("public" key RK<br>for msg retrieval)
|
||||
A ->> S: 1. create queue ("NEW")
|
||||
S ->> A: respond with queue RID and SID ("IDS")
|
||||
|
||||
note over A: out-of-band msg<br>(sender's queue SID<br>and "public" key EK<br>to encrypt msgs)
|
||||
A -->> B: 2. send out-of-band message
|
||||
|
||||
note over B: secure queue<br>(with "public" key SK for<br>sending messages)
|
||||
B ->> S: 3. confirm queue ("SKEY" command authorized with SK)
|
||||
|
||||
note over B: confirm queue<br>(public key<br>for e2e encryption<br>and any optional<br>encrypted info.)
|
||||
B ->> S: 4. confirm queue ("SEND" command authorized with SK)
|
||||
|
||||
S ->> A: 5. deliver Bob's message (MSG)
|
||||
note over A: decrypt message<br>("private" key EK)
|
||||
A ->> S: acknowledge message (ACK)
|
||||
|
||||
note over S: 6. simplex<br>queue RID<br>is ready to use!
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 27 KiB |
@@ -10,13 +10,11 @@ sequenceDiagram
|
||||
note over A: out-of-band msg<br>(sender's queue SID<br>and "public" key EK<br>to encrypt msgs)
|
||||
A -->> B: 2. send out-of-band message
|
||||
|
||||
note over B: confirm queue<br>("public" key SK for<br>sending messages,<br>public key for<br>e2e encryption<br>and any optional<br>encrypted info)
|
||||
note over B: confirm queue<br>("public" key SK for<br>sending messages<br>and any optional<br>info encrypted with<br>"public" key EK)
|
||||
B ->> S: 3. confirm queue ("SEND" command not signed)
|
||||
|
||||
S ->> A: 4. deliver Bob's message (MSG)
|
||||
S ->> A: 4. deliver Bob's message
|
||||
note over A: decrypt message<br>("private" key EK)
|
||||
A ->> S: acknowledge message (ACK)
|
||||
|
||||
A ->> S: 5. secure queue ("KEY", RK-signed)
|
||||
|
||||
note over S: 6. simplex<br>queue RID<br>is ready to use!
|
||||
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 26 KiB After Width: | Height: | Size: 13 KiB |
@@ -1,18 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant B as Bob (recipient)
|
||||
participant S as XFTP server(s)
|
||||
|
||||
note over B: having received file description<br>from sender
|
||||
|
||||
loop for each chunk
|
||||
B ->> S: 1a. download chunk ("FGET")
|
||||
S ->> B: send chunk body ("FILE")
|
||||
|
||||
opt
|
||||
B ->> S: 1b. acknowledge chunk reception ("FACK")
|
||||
note over S: delete recipient ID
|
||||
S ->> B: respond with ok ("OK")
|
||||
end
|
||||
end
|
||||
|
||||
note over B: 2. combine chunks into a file<br>3. decrypt file using key from file description<br>4. extract file name and unpad the file<br>5. validate file digest with the file description
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 23 KiB |
@@ -1,23 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant A as Alice (sender)
|
||||
participant S as XFTP server(s)
|
||||
participant B as recipient(s)
|
||||
|
||||
note over A: 1. prepare file:<br>encrypt,<br>split into chunks,<br>generate recipient<br>keys, etc.
|
||||
|
||||
loop for each chunk
|
||||
A ->> S: 2a. register chunk ("FNEW")
|
||||
S ->> A: respond with sender's and recipients' chunk IDs ("SIDS")
|
||||
|
||||
opt
|
||||
A ->> S: 2b. request additional recipient IDs ("FADD")
|
||||
S ->> A: respond with added recipients' chunk IDs ("RIDS")
|
||||
end
|
||||
|
||||
A ->> S: 2c. upload chunk to chosen server ("FPUT")
|
||||
S ->> A: respond with ok ("OK")
|
||||
end
|
||||
|
||||
note over A: 3. prepare file description(s)
|
||||
|
||||
A -->> B: 4. send file description(s) out-of-band
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 25 KiB |
@@ -1,44 +0,0 @@
|
||||
sequenceDiagram
|
||||
participant CI as Controller UI
|
||||
participant CC as Controller Core
|
||||
participant HC as Host Core
|
||||
participant HI as Host UI
|
||||
|
||||
note over CI, HI: 1. Session invitation
|
||||
CI->>CC: "Link a mobile"
|
||||
CC-->>CI: Session invitation URI
|
||||
note over CC: Listen for TCP connection
|
||||
activate CC
|
||||
HI->>HC: Session invitation URI
|
||||
|
||||
note over CI, HI: 2. Establishing TLS connection
|
||||
HC-->>CC: TCP connect
|
||||
note over CC, HC: TLS handshake
|
||||
par
|
||||
note over CC: validate client X509 credentials
|
||||
CC->>CI: session code from tlsUnique
|
||||
CI-->>CC: user confirmation
|
||||
and
|
||||
note over HC: validate server X509 credentials
|
||||
HC->>HI: session code from tlsUnique
|
||||
HI-->>HC: user confirmation
|
||||
end
|
||||
|
||||
note over CI, HI: 3. Session verification and protocol negotiation
|
||||
HC->>CC: host HELLO
|
||||
note over CC: validate version, CA fingerprint
|
||||
alt
|
||||
CC-->>HC: controller ERROR
|
||||
else
|
||||
CC-->>HC: controller HELLO
|
||||
note over CC, HC: update stored keys
|
||||
end
|
||||
deactivate CC
|
||||
|
||||
note over CI, HI: 4. Session operation
|
||||
loop
|
||||
CI->>CC: command
|
||||
CC->>HC: XRCP command
|
||||
HC-->>CC: XRCP response
|
||||
CC-->>CI: response
|
||||
end
|
||||
File diff suppressed because one or more lines are too long
|
Before Width: | Height: | Size: 31 KiB |
+181
-111
@@ -1,4 +1,4 @@
|
||||
Revision 4, 2026-03-09
|
||||
Revision 1, 2022-01-01
|
||||
|
||||
Evgeny Poberezkin
|
||||
|
||||
@@ -8,47 +8,40 @@ Evgeny Poberezkin
|
||||
|
||||
- [Introduction](#introduction)
|
||||
- [What is SimpleX](#what-is-simplex)
|
||||
- [Network model](#network-model)
|
||||
- [Applications](#applications)
|
||||
- [SimpleX objectives](#simplex-objectives)
|
||||
- [In Comparison](#in-comparison)
|
||||
- [Technical Details](#technical-details)
|
||||
- [Trust in Routers](#trust-in-routers)
|
||||
- [Client -> Router Communication](#client---router-communication)
|
||||
- [2-hop Onion Message Routing](#2-hop-onion-message-routing)
|
||||
- [Trust in Servers](#trust-in-servers)
|
||||
- [Client -> Server Communication](#client---server-communication)
|
||||
- [SimpleX Messaging Protocol](#simplex-messaging-protocol)
|
||||
- [SimpleX Agents](#simplex-agents)
|
||||
- [Security](#security)
|
||||
- [Encryption Primitives Used](#encryption-primitives-used)
|
||||
- [Threat model](#threat-model)
|
||||
- [Acknowledgements](#acknowledgements)
|
||||
|
||||
|
||||
## Introduction
|
||||
|
||||
#### What is SimpleX
|
||||
|
||||
SimpleX as a whole is a platform upon which applications can be built. [SimpleX Chat](https://github.com/simplex-chat/simplex-chat) is one such application that also serves as an example and reference application.
|
||||
|
||||
- [SimpleX Messaging Protocol](./simplex-messaging.md) (SMP) is a protocol to send messages in one direction to a recipient, relying on a router in-between. The messages are delivered via uni-directional queues created by recipients.
|
||||
|
||||
- SMP protocol allows to send message via a SMP router playing proxy role using 2-hop onion routing (referred to as "private routing" in messaging clients) to protect transport information of the sender (IP address and session) from the router chosen (and possibly controlled) by the recipient.
|
||||
- [SimpleX Messaging Protocol](https://github.com/simplex-chat/simplexmq/blob/master/protocol/simplex-messaging.md) (SMP) is a protocol to send messages in one direction to a recipient, relying on a server in-between. The messages are delivered via uni-directional queues created by recipients.
|
||||
|
||||
- SMP runs over a transport protocol (shown below as TLS) that provides integrity, server authentication, confidentiality, and transport channel binding.
|
||||
|
||||
- A SimpleX router is one of those routers.
|
||||
- A SimpleX Server is one of those servers.
|
||||
|
||||
- The SimpleX Network is the term used for the collective of SimpleX routers that facilitate SMP.
|
||||
- The SimpleX Network is the term used for the collective of SimpleX Servers that facilitate SMP.
|
||||
|
||||
- SimpleX Client libraries speak SMP to SimpleX routers and provide a low-level API not generally intended to be used by applications.
|
||||
- SimpleX Client libraries speak SMP to SimpleX Servers and provide a low-level API not generally intended to be used by applications.
|
||||
|
||||
- SimpleX Agents interface with SimpleX Clients to provide a more high-level API intended to be used by applications. Typically they are embedded as libraries, but can also be abstracted into local services.
|
||||
|
||||
- SimpleX Agents communicate with other agents inside e2e encrypted envelopes provided by SMP protocol - the syntax and semantics of the messages exchanged by the agent are defined by [SMP agent protocol](./agent-protocol.md)
|
||||
- SimpleX Agents interface with SimpleX Clients to provide a more high-level API intended to be used by applications. Typically they are embedded as libraries, but are designed so they can also be abstracted into local services.
|
||||
|
||||
|
||||
*Diagram showing the SimpleX Chat app, with logical layers of the chat application interfacing with a SimpleX Agent library, which in turn interfaces with a SimpleX Client library. The Client library in turn speaks the Messaging Protocol to a SimpleX router.*
|
||||
*Diagram showing the SimpleX Chat app, with logical layers of the chat application interfacing with a SimpleX Agent library, which in turn interfaces with a SimpleX Client library. The Client library in turn speaks the Messaging Protocol to a SimpleX Server.*
|
||||
|
||||
```
|
||||
User's Computer Internet Third-Party Router
|
||||
User's Computer Internet Third-Party Server
|
||||
------------------ | ---------------------- | -------------------------
|
||||
| |
|
||||
SimpleX Chat | |
|
||||
@@ -58,43 +51,11 @@ SimpleX as a whole is a platform upon which applications can be built. [SimpleX
|
||||
+----------------+ | |
|
||||
| SimpleX Agent | | |
|
||||
+----------------+ -------------- TLS ---------------- +----------------+
|
||||
| SimpleX Client | ------ SimpleX Messaging Protocol ------> | SimpleX router |
|
||||
| SimpleX Client | ------ SimpleX Messaging Protocol ------> | SimpleX Server |
|
||||
+----------------+ ----------------------------------- +----------------+
|
||||
| |
|
||||
```
|
||||
|
||||
#### Network model
|
||||
|
||||
SimpleX is a general-purpose packet routing network built on top of the Internet. Network endpoints — end-user devices, automated services, AI-enabled applications, IoT devices — exchange data packets through SimpleX network nodes (SMP routers), which accept, buffer, and deliver packets. Each router operates independently and can be operated by any party on standard computing hardware.
|
||||
|
||||
SimpleX routers use resource-based addressing: each address identifies a resource on a router, similar to how the World Wide Web addresses resources via URLs. Internet routers, by comparison, use endpoint-based addressing, where IP addresses identify destination devices. Because of this design, SimpleX network participants do not need globally unique addresses to communicate.
|
||||
|
||||
SimpleX network has two resource-based addressing schemes:
|
||||
|
||||
- *Messaging queues* ([SMP](./simplex-messaging.md)). A queue is a unidirectional, ordered sequence of fixed-size data packets (16,384 bytes each). Each queue has a resource address on a specific router, gated by cryptographic credentials that separately authorize sending and receiving.
|
||||
|
||||
- *Data packets* ([XFTP](./xftp.md)). A data packet is an individually addressed block in one of the standard sizes. Each packet has a unique resource address on a specific router, gated by cryptographic credentials. Data packet addressing is more efficient for delivery of larger payloads than queues.
|
||||
|
||||
Packet delivery follows a two-router path. The sending endpoint submits a packet to a first router, which forwards it to a second router, where the receiving endpoint retrieves it. The sending endpoint's IP address is known only to the first router; the receiving endpoint's IP address is known only to the second router. See [2-hop Onion Message Routing](#2-hop-onion-message-routing) for details.
|
||||
|
||||
Routers buffer packets between submission and retrieval — from seconds to days, enabling asynchronous delivery when endpoints are online at different times. Packets are removed after delivery or after a configured expiration period.
|
||||
|
||||
|
||||
#### Applications
|
||||
|
||||
Applications currently using SimpleX network:
|
||||
|
||||
- **SimpleX Chat** — a peer-to-peer messenger using SimpleX network as a transport layer, in the same way that communication applications use WebRTC, Tor, i2p, or Nym. All communication logic — contacts, conversations, groups, message formats, end-to-end encryption — runs on endpoint devices.
|
||||
|
||||
- **IoT devices** — using the SimpleX queue protocol directly for sensor data collection and device control.
|
||||
|
||||
- **AI-based services** — automated services built on the SimpleX Chat application core.
|
||||
|
||||
- **Secure monitoring and control systems** — applications for equipment monitoring and control, including robotics, using the network for command delivery and telemetry collection.
|
||||
|
||||
[SimpleGo](https://simplego.dev), developed by an independent organization, is a microcontroller-based device running a SimpleX Chat-compatible messenger directly on a microcontroller without a general-purpose operating system. Running over 20 days on a single battery charge, it demonstrates the energy efficiency of resource-based addressing: the device receives packets without continuous polling. A microcontroller-based router implementation that functions simultaneously as a WiFi router is also in development.
|
||||
|
||||
|
||||
#### SimpleX objectives
|
||||
|
||||
1. Provide messaging infrastructure for distributed applications. This infrastructure needs to have the following qualities:
|
||||
@@ -103,7 +64,7 @@ Applications currently using SimpleX network:
|
||||
|
||||
- Privacy: protect against traffic correlation attacks to determine the contacts that the users communicate with.
|
||||
|
||||
- Reliability: the messages should be delivered even if some participating network routers or receiving clients fail, with "at least once" delivery guarantee.
|
||||
- Reliability: the messages should be delivered even if some participating network servers or receiving clients fail, with “at least once” delivery guarantee.
|
||||
|
||||
- Integrity: the messages sent in one direction are ordered in a way that sender and recipient agree on; the recipient can detect when a message was removed or changed.
|
||||
|
||||
@@ -111,104 +72,82 @@ Applications currently using SimpleX network:
|
||||
|
||||
- Low latency: the delay introduced by the network should not be higher than 100ms-1s in addition to the underlying TCP network latency.
|
||||
|
||||
2. Provide better communication security and privacy than the alternative instant messaging solutions. In particular SimpleX provides better privacy of metadata (who talks to whom and when) and better security against active network attackers and malicious routers.
|
||||
2. Provide better communication security and privacy than the alternative instant messaging solutions. In particular SimpleX provides better privacy of metadata (who talks to whom and when) and better security against active network attackers and malicious servers.
|
||||
|
||||
3. Balance user experience with privacy requirements, prioritizing experience of mobile device users.
|
||||
|
||||
|
||||
#### In Comparison
|
||||
|
||||
SimpleX network has a design similar to P2P networks, but unlike most P2P networks it consists of clients and routers without depending on any centralized component.
|
||||
SimpleX network has a design similar to P2P networks, but unlike most P2P networks it consists of clients and servers without depending on any centralized component.
|
||||
In comparison to more traditional messaging applications (e.g. WhatsApp, Signal, Telegram) the key differences of SimpleX network are:
|
||||
|
||||
- participants do not need to have globally unique addresses to communicate, instead they use redundant unidirectional (simplex) messaging queues, with a separate set of queues for each contact.
|
||||
|
||||
- connection requests are passed out-of-band, non-optionally protecting key exchange against man-in-the-middle attack.
|
||||
|
||||
- simple message queues provided by network routers are used by the clients to create more complex communication scenarios, such as duplex one-to-one communication, transmitting files, group communication without central routers, and content/communication channels.
|
||||
- simple message queues provided by network servers are used by the clients to create more complex communication scenarios, such as duplex one-to-one communication, transmitting files, group communication without central servers, and content/communication channels.
|
||||
|
||||
- routers do not store any user information (no user profiles or contacts, or messages once they are delivered), and primarily use in-memory persistence.
|
||||
|
||||
- users can change routers with minimal disruption - even after an in-use router disappears, simply by changing the configuration on which routers the new queues are created.
|
||||
- servers do not store any user information (no user profiles or contacts, or messages once they are delivered), and primarily use in-memory persistence.
|
||||
|
||||
- users can change servers with minimal disruption - even after an in-use server disappears, simply by changing the configuration on which servers the new queues are created.
|
||||
|
||||
## Technical Details
|
||||
|
||||
#### Trust in Routers
|
||||
#### Trust in Servers
|
||||
|
||||
Clients communicate directly with routers (but not with other clients) using SimpleX Messaging Protocol (SMP) running over some transport protocol that provides integrity, server authentication, confidentiality, and transport channel binding. By default, we assume this transport protocol is TLS.
|
||||
Clients communicate directly with servers (but not with other clients) using SimpleX Messaging Protocol (SMP) running over some transport protocol that provides integrity, server authentication, confidentiality, and transport channel binding. By default, we assume this transport protocol is TLS.
|
||||
|
||||
Users use multiple routers, and choose where to receive their messages. Accordingly, they send messages to their communication partners' chosen routers either directly, if this is a known/trusted router, or via another SMP router providing proxy functionality to protect IP address and session of the sender.
|
||||
Users use multiple servers, and choose where to receive their messages. Accordingly, they send messages to their communication partners' chosen servers.
|
||||
|
||||
Although end-to-end encryption is always present, users place a degree of trust in routers they connect to. This trust decision is very similar to a user's choice of email provider; however the trust placed in a SimpleX router is significantly less. Notably, there is no re-used identifier or credential between queues on the same (or different) routers. While a user *may* re-use a transport connection to fetch messages from multiple queues, or connect to a router from the same IP address, both are choices a user may opt into to break the promise of un-correlatable queues.
|
||||
Although end-to-end encryption is always present, users place a degree of trust in servers. This trust decision is very similar to a user's choice of email provider; however the trust placed in a SimpleX server is significantly less. Notably, there is no re-used identifier or credential between queues on the same (or different) servers. While a user *may* re-use a connection to fetch from multiple queues, or connect to a server from the same IP address, both are choices a user may opt into to break the promise of un-correlatable queues.
|
||||
|
||||
Users may trust a router because:
|
||||
Users may trust a server because:
|
||||
|
||||
- They deploy and control the routers themselves from the available open-source code. This has the trade-offs of strong trust in the router but limited metadata obfuscation to a passive network observer. Techniques such as noise traffic, traffic mixing (incurring latency), and using an onion routing transport protocol can mitigate that.
|
||||
- They deploy and control the servers themselves from the available open-source code. This has the trade-offs of strong trust in the server but limited metadata obfuscation to a passive network observer. Techniques such as noise traffic, traffic mixing (incurring latency), and using an onion routing transport protocol can mitigate that latter.
|
||||
|
||||
- They use routers from a trusted commercial provider. The more clients the provider has, the less metadata about the communication times is leaked to the network observers.
|
||||
- They use servers from a trusted commercial provider. The more clients the provider has, the less metadata about the communication times is leaked to the network observers.
|
||||
|
||||
By default, routers do not retain access logs, and permanently delete messages and queues when requested. Messages persist in memory or in a database until they cross a threshold of time, typically on the order of days.[0] There is still a risk that a router maliciously records all queues and messages (even though encrypted) sent via the same transport connection to gain a partial knowledge of the user's communications graph and other meta-data.
|
||||
- Users trust their contacts and the servers they chose.
|
||||
|
||||
SimpleX supports measures (managed transparently to the user at the agent level) to mitigate the trust placed in routers. These include rotating the queues in use between users, noise traffic, supporting overlay networks such as Tor, and isolating traffic to different queues to different transport connections (and Tor circuits, if Tor is used).
|
||||
By default, servers do not retain access logs, and permanently delete messages and queues when requested. Messages persist only in memory until they cross a threshold of time, typically on the order of days.[0] There is still a risk that a server maliciously records all queues and messages (even though encrypted) sent via the same transport connection to gain a partial knowledge of the user’s communications graph and other meta-data.
|
||||
|
||||
[0] While configurable by routers, a minimum value is enforced by the default software. SimpleX Agents can provide redundant routing over queues to mitigate against message loss.
|
||||
SimpleX supports measures (managed transparently to the user at the agent level) to mitigate the trust placed in servers. These include rotating the queues in use between users, noise traffic, and supporting overlay networks such as Tor.
|
||||
|
||||
[0] While configurable by servers, a minimum value is enforced by the default software. SimpleX Agents provide redundant routing over queues to mitigate against message loss.
|
||||
|
||||
|
||||
#### Client -> Router Communication
|
||||
#### Client -> Server Communication
|
||||
|
||||
Utilizing TLS grants the SimpleX Messaging Protocol (SMP) server authentication and metadata protection to a passive network observer. But SMP does not rely on the transport protocol for message confidentiality or client authentication. The SMP protocol itself provides end-to-end confidentiality, authentication, and integrity of messages between communicating parties.
|
||||
|
||||
Routers have long-lived, self-signed, offline certificates whose hash is pre-shared with clients over secure channels - either provided with the client library or provided in the secure introduction between clients, as part of the router address. The offline certificate signs an online certificate used in the transport protocol handshake. [0]
|
||||
Servers have long-lived, self-signed, offline certificates whose hash is pre-shared with clients over secure channels - either provided with the client library or provided in the secure introduction between clients. The offline certificate signs an online certificate used in the transport protocol handshake. [0]
|
||||
|
||||
If the transport protocol's confidentiality is broken, incoming and outgoing messages to the router cannot be correlated by message contents. Additionally, because of encryption at the SMP layer, impersonating the router is not sufficient to pass (and therefore correlate) a message from a sender to recipient - the only attack possible is to drop the messages. Only by additionally *compromising* the router can one pass and correlate messages.
|
||||
If the transport protocol's confidentiality is broken, incoming and outgoing messages to the server cannot be correlated by message contents. Additionally, because of encryption at the SMP layer, impersonating the server is not sufficient to pass (and therefore correlate) a message from a sender to recipient - the only attack possible is to drop the messages. Only by additionally *compromising* the server can one pass and correlate messages.
|
||||
|
||||
It's important to note that the SMP protocol does not do server authentication. Instead we rely upon the fact that an attacker who tricks the transport protocol into authenticating the router incorrectly cannot do anything with the SMP messages except drop them.
|
||||
It's important to note that the SMP protocol does not do server authentication. Instead we rely upon the fact that an attacker who tricks the transport protocol into authenticating the server incorrectly cannot do anything with the SMP messages except drop them.
|
||||
|
||||
After the connection is established, the client sends blocks of a fixed size 16KB, and the router replies with the blocks of the same size to reduce metadata observable to a network adversary. The protocol has been designed to make traffic correlation attacks difficult, adapting ideas from Tor, remailers, and more general onion and mix networks. It does not try to replace Tor though - SimpleX routers can be deployed as onion services and SimpleX clients can communicate with routers over Tor to further improve participants privacy.
|
||||
After the connection is established, the client sends blocks of a fixed size 16Kb, and the server replies with the blocks of the same size to reduce metadata observable to a network adversary. The protocol has been designed to make traffic correlation attacks difficult, adapting ideas from Tor, remailers, and more general onion and mix networks. It does not try to replace Tor though - SimpleX servers can be deployed as onion services and SimpleX clients can communicate with servers over Tor to further improve participants privacy.
|
||||
|
||||
By using fixed-size blocks, oversized for the expected content, the vast majority of traffic is uniform in nature. When enough traffic is transiting a router simultaneously, the router acts as a low-latency mix node. We can't rely on this behavior to make a security claim, but we have engineered to take advantage of it when we can. As mentioned, this holds true even if the transport connection is compromised.
|
||||
By using fixed-size blocks, oversized for the expected content, the vast majority of traffic is uniform in nature. When enough traffic is transiting a server simultaneously, the server acts as a (very) low-latency mix node. We can't rely on this behavior to make a security claim, but we have engineered to take advantage of it when we can. As mentioned, this holds true even if the transport connection is compromised.
|
||||
|
||||
The protocol does not protect against attacks targeted at particular users with known identities - e.g., if the attacker wants to prove that two known users are communicating, they can achieve it by observing their local traffic. At the same time, it substantially complicates large-scale traffic correlation, making determining the real user identities much less effective.
|
||||
The protocol does not protect against attacks targeted at particular users with known identities - e.g., if the attacker wants to prove that two known users are communicating, they can achieve it. At the same time, it substantially complicates large-scale traffic correlation, making determining the real user identities much less effective.
|
||||
|
||||
[0] Future versions of SMP may add support for revocation lists of certificates, presently this risk is mitigated by the SMP protocol itself.
|
||||
|
||||
|
||||
#### 2-hop Onion Message Routing
|
||||
|
||||
As SimpleX Messaging Protocol routers providing messaging queues are chosen by the recipients, in case senders connect to these routers directly the router owners (who potentially can be the recipients themselves) can learn senders' IP addresses (if Tor is not used) and which other queues on the same router are accessed by the user in the same transport connection (even if Tor is used).
|
||||
|
||||
While the clients support isolating the messages sent to different queues into different transport connections (and Tor circuits), this is not practical, as it consumes additional traffic and system resources.
|
||||
|
||||
To mitigate this problem SimpleX Messaging Protocol routers support 2-hop onion message routing when the SMP router chosen by the sender forwards the messages to the routers chosen by the recipients, thus protecting both the senders IP addresses and sessions, even if connection isolation and Tor are not used.
|
||||
|
||||
The design of 2-hop onion message routing prevents these potential attacks:
|
||||
|
||||
- MITM by proxy (SMP router that forwards the messages).
|
||||
|
||||
- Identification by the proxy which and how many queues the sender sends messages to (as messages are additionally e2e encrypted between the sender and the destination SMP router).
|
||||
|
||||
- Correlation of messages sent to different queues via the same user session (as random correlation IDs and keys are used for each message).
|
||||
|
||||
See more details about 2-hop onion message routing design in [SimpleX Messaging Protocol](./simplex-messaging.md#proxying-sender-commands)
|
||||
|
||||
Also see [Security](./security.md)
|
||||
|
||||
|
||||
#### SimpleX Messaging Protocol
|
||||
|
||||
SMP is initialized with an in-person or out-of-band introduction message, where Alice provides Bob with details of a router (including IP address or host name, port, and hash of the long-lived offline certificate), a queue ID, and Alice's public keys to agree e2e encryption. These introductions are similar to the PANDA key-exchange, in that if observed, the adversary can race to establish the communication channel instead of the intended participant. [0]
|
||||
SMP is initialized with an in-person or out-of-band introduction message, where Alice provides Bob with details of a server (including IP, port, and hash of the long-lived offline certificate), a queue ID, and Alice's public key for her receiving queue. These introductions are similar to the PANDA key-exchange, in that if observed, the adversary can race to establish the communication channel instead of the intended participant. [0]
|
||||
|
||||
Because queues are uni-directional, Bob provides an identically-formatted introduction message to Alice over Alice's now-established receiving queue.
|
||||
|
||||
When setting up a queue, the router will create separate sender and recipient queue IDs (provided to Alice during set-up and Bob during initial connection). Additionally, during set-up Alice will perform a DH exchange with the router to agree upon a shared secret. This secret will be used to re-encrypt Bob's incoming message before Alice receives it, creating the anti-correlation property earlier-described should the transport encryption be compromised.
|
||||
|
||||
[0] Users can additionally create public 'contact queues' that are only used to receive connection requests.
|
||||
When setting up a queue, the server will create separate sender and recipient queue IDs (provided to Alice during set-up and Bob during initial connection). Additionally, during set-up Alice will perform a DH exchange with the server to agree upon a shared secret. This secret will be used to re-encrypt Bob's incoming message before Alice receives it, creating the anti-correlation property earlier-described should the transport encryption be compromised.
|
||||
|
||||
[0] Users can additionally create public 'contact queues' that are only used to receive connection requests.
|
||||
|
||||
#### SimpleX Agents
|
||||
|
||||
SimpleX agents provide higher-level operations compared to SimpleX Clients, who are primarily concerned with creating queues and communicating with routers using SMP. Agent operations include:
|
||||
SimpleX agents provide higher-level operations compared to SimpleX Clients, who are primarily concerned with creating queues and communicating with servers using SMP. Agent operations include:
|
||||
|
||||
- Managing sets of bi-directional, redundant queues for communication partners
|
||||
|
||||
@@ -218,22 +157,153 @@ SimpleX agents provide higher-level operations compared to SimpleX Clients, who
|
||||
|
||||
- Noise traffic
|
||||
|
||||
#### Encryption Primitives Used
|
||||
|
||||
## Security
|
||||
- Ed448 to sign/verify commands to SMP servers (Ed25519 is also supported via client/server configuration).
|
||||
- Curve25519 for DH exchange to agree:
|
||||
- the shared secret between server and recipient (to encrypt message bodies - it avoids shared cipher-text in sender and recipient traffic)
|
||||
- the shared secret between sender and recipient (to encrypt messages end-to-end in each queue - it avoids shared cipher-text in redundant queues).
|
||||
- [NaCl crypto_box](https://nacl.cr.yp.to/box.html) encryption scheme (curve25519xsalsa20poly1305) for message body encryption between server and recipient and for E2E per-queue encryption.
|
||||
- SHA256 to validate server offline certificates.
|
||||
- [double ratchet](https://signal.org/docs/specifications/doubleratchet/) protocol for end-to-end message encryption between the agents:
|
||||
- Curve448 keys to agree shared secrets required for double ratchet initialization (using [X3DH](https://signal.org/docs/specifications/x3dh/) key agreement with 2 ephemeral keys for each side),
|
||||
- AES-GCM AEAD cipher,
|
||||
- SHA512-based HKDF for key derivation.
|
||||
|
||||
For encryption primitives, threat model, and detailed security analysis, see [Security](./security.md).
|
||||
## Threat Model
|
||||
|
||||
SimpleX provides these security properties:
|
||||
#### Global Assumptions
|
||||
|
||||
- **End-to-end encryption** using Double Ratchet algorithm with forward secrecy and post-quantum cryptography.
|
||||
- A user protects their local database and key material
|
||||
- The user's application is authentic, and no local malware is running
|
||||
- The cryptographic primitives in use are not broken
|
||||
- A user's choice of servers is not directly tied to their identity or otherwise represents distinguishing information about the user.
|
||||
|
||||
- **No shared identifiers** across connections — contacts cannot prove they communicate with the same user.
|
||||
#### A passive adversary able to monitor the traffic of one user
|
||||
|
||||
- **Sender deniability** — neither routers nor recipients can cryptographically prove message origin.
|
||||
*can:*
|
||||
|
||||
- **Transport metadata protection** — fixed-size blocks, 2-hop onion routing, and optional connection isolation frustrate traffic correlation.
|
||||
- identify that and when a user is using SimpleX
|
||||
|
||||
- **Out-of-band key exchange** — connection requests passed outside the network protect against MITM attacks.
|
||||
- block SimpleX traffic
|
||||
|
||||
- determine which servers the user communicates with
|
||||
|
||||
- observe how much traffic is being sent, and make guesses as to its purpose.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- see who sends messages to the user and who the user sends the messages to
|
||||
|
||||
#### A passive adversary able to monitor a set of senders and recipients
|
||||
|
||||
*can:*
|
||||
|
||||
- identify who and when is using SimpleX
|
||||
|
||||
- learn which SimpleX Messaging Protocol servers are used as receive queues for which users
|
||||
|
||||
- learn when messages are sent and received
|
||||
|
||||
- perform traffic correlation attacks against senders and recipients and correlate senders and recipients within the monitored set, frustrated by the number of users on the servers
|
||||
|
||||
- observe how much traffic is being sent, and make guesses as to its purpose
|
||||
|
||||
*cannot, even in case of a compromised transport protocol:*
|
||||
|
||||
- perform traffic correlation attacks with any increase in efficiency over a non-compromised transport protocol
|
||||
|
||||
#### SimpleX Messaging Protocol server
|
||||
|
||||
*can:*
|
||||
|
||||
- learn when a queue recipient or sender is online
|
||||
|
||||
- know how many messages are sent via the queue (although some may be noise)
|
||||
|
||||
- perform queue correlation (matching multiple queues to a single user) via either a re-used transport connection, user's IP Address, or connection timing regularities
|
||||
|
||||
- learn a user's IP address, track them through other IP addresses they use to access the same queue, and infer information (e.g. employer) based on the IP addresses, as long as Tor is not used.
|
||||
|
||||
- drop all future messages inserted into a queue, detectable only over other, redundant queues
|
||||
|
||||
- lie about the state of a queue to the recipient and/or to the sender (e.g. suspended or deleted when it is not).
|
||||
|
||||
- spam a user with invalid messages
|
||||
|
||||
*cannot:*
|
||||
|
||||
- undetectably add, duplicate, or corrupt individual messages
|
||||
|
||||
- undetectably drop individual messages, so long as a subsequent message is delivered
|
||||
|
||||
- learn the contents of messages
|
||||
|
||||
- distinguish noise messages from regular messages except via timing regularities
|
||||
|
||||
- compromise the user's end-to-end encryption with an active attack
|
||||
|
||||
#### An attacker who obtained Alice's (decrypted) chat database
|
||||
|
||||
*can:*
|
||||
|
||||
- see the history of all messages exchanged by Alice with her communication partners
|
||||
|
||||
- see shared profiles of contacts and groups
|
||||
|
||||
- surreptitiously receive new messages sent to Alice via existing queues; until communication queues are rotated or the Double-Ratchet advances forward
|
||||
|
||||
- prevent Alice from receiving all new messages sent to her - either surreptitiously by emptying the queues regularly or overtly by deleting them
|
||||
|
||||
- send messages from the user to their contacts; recipients will detect it as soon as the user sends the next message, because the previous message hash won’t match (and potentially won’t be able to decrypt them in case they don’t keep the previous ratchet keys).
|
||||
|
||||
*cannot:*
|
||||
|
||||
- impersonate a sender and send messages to the user whose database was stolen. Doing so requires also compromising the server (to place the message in the queue, that is possible until the Double-Ratchet advances forward) or the user's device at a subsequent time (to place the message in the database).
|
||||
|
||||
- undetectably communicate at the same time as Alice with her contacts. Doing so would result in the contact getting different messages with repeated IDs.
|
||||
|
||||
- undetectably monitor message queues in realtime without alerting the user they are doing so, as a second subscription request unsubscribes the first and notifies the second.
|
||||
|
||||
#### A user’s contact
|
||||
|
||||
*can:*
|
||||
|
||||
- spam the user with messages
|
||||
|
||||
- forever retain messages from the user
|
||||
|
||||
*cannot:*
|
||||
|
||||
- cryptographically prove to a third-party that a message came from a user (assuming the user’s device is not seized)
|
||||
|
||||
- prove that two contacts they have is the same user
|
||||
|
||||
- cannot collaborate with another of the user's contacts to confirm they are communicating with the same user
|
||||
|
||||
#### An attacker who observes Alice showing an introduction message to Bob
|
||||
|
||||
*can:*
|
||||
|
||||
- Impersonate Bob to Alice
|
||||
|
||||
*cannot:*
|
||||
|
||||
- Impersonate Alice to Bob
|
||||
|
||||
#### An attacker with Internet access
|
||||
|
||||
*can:*
|
||||
|
||||
- Denial of Service SimpleX messaging servers
|
||||
|
||||
- spam a user's public “contact queue” with connection requests
|
||||
|
||||
*cannot:*
|
||||
|
||||
- send messages to a user who they are not connected with
|
||||
|
||||
- enumerate queues on a SimpleX server
|
||||
|
||||
|
||||
## Acknowledgements
|
||||
|
||||
@@ -1,222 +0,0 @@
|
||||
Version 1, 2024-06-22
|
||||
|
||||
# Post-quantum resistant augmented double ratchet algorithm (PQDR)
|
||||
|
||||
## Table of contents
|
||||
|
||||
- [Overview](#overview)
|
||||
- [Comparison with the other approaches](#comparison-with-the-other-approaches)
|
||||
- [PQXDH for post-quantum key agreement](#pqxdh-for-post-quantum-key-agreement) (Signal)
|
||||
- [Hybrid Signal protocol for post-quantum encryption](#hybrid-signal-protocol-for-post-quantum-encryption) (Tutanota)
|
||||
- [Augmented double ratchet algorithm](#augmented-double-ratchet-algorithm)
|
||||
- [Double ratchet with encrypted headers augmented with double PQ KEM](#double-ratchet-with-encrypted-headers-augmented-with-double-pq-kem)
|
||||
- [Initialization](#initialization)
|
||||
- [Encrypting messages](#encrypting-messages)
|
||||
- [Decrypting messages](#decrypting-messages)
|
||||
- [Implementation considerations](#implementation-considerations)
|
||||
- [Chosen KEM algorithm](#chosen-kem-algorithm)
|
||||
- [Summary](#summary)
|
||||
|
||||
## Overview
|
||||
|
||||
It is a reasonable assumption that "record-now-decrypt-later" attacks are ongoing, so the users want to use cryptographic schemes for end-to-end encryption that are augmented with some post-quantum algorithm that is believed to be resistant to quantum computers.
|
||||
|
||||
SimpleX Chat uses [double-ratchet with header encryption](https://signal.org/docs/specifications/doubleratchet/#double-ratchet-with-header-encryption) to provide end-to-end encryption to messages and files. This document describes augmented algorithm with post-quantum key encapsulation mechanism (KEM) making it resistant to quantum computers.
|
||||
|
||||
Double-ratchet algorithm is a state of the art solution for end to end encryption offering a set of qualities that is not present in any other algorithm:
|
||||
|
||||
- perfect forward secrecy, i.e. compromise of session or long term keys does not lead to the ability to decrypt any of the past messages.
|
||||
- deniability (also known as repudiation), i.e. the fact that the recipient of the message while having the proof of message authenticity, cannot prove to a third party that the sender actually sent this message.
|
||||
- break-in recovery (also know as post-compromise security or future secrecy), i.e. the ability of the end-to-end encryption security to recover from the compromise of the long term keys. This is achieved by generating a new random key pair whenever a new DH key is received (DH ratchet step).
|
||||
|
||||
It is desirable to preserve all these qualities when augmenting the algorithm with a post-quantum algorithm, and having these qualities resistant to both conventional and quantum computers.
|
||||
|
||||
## Comparison with the other approaches
|
||||
|
||||
### PQXDH for post-quantum key agreement
|
||||
|
||||
[The solution](https://signal.org/docs/specifications/pqxdh/) recently [introduced by Signal](https://signal.org/blog/pqxdh/) augments the initial key agreement ([X3DH](https://signal.org/docs/specifications/x3dh/)) that is made prior to double ratchet algorithm. This is believed to provide protection from "record-now-decrypt-later" attack, but if the attacker at any point obtains long term keys from any of the devices, the break-in recovery will not be post-quantum resistant, and the attacker with quantum computer will be able to decrypt all the subsequent messages.
|
||||
|
||||
### Hybrid Signal protocol for post-quantum encryption
|
||||
|
||||
[The solution](https://eprint.iacr.org/2021/875.pdf) [proposed by Tutanota](https://tutanota.com/blog/posts/pqmail-update/) aims to preserve the break-in recovery property of double ratchet, but in doing so it:
|
||||
- replaces rather than augments DH key agreement with post-quantum KEM mechanism, making it potentially vulnerable to conventional computers.
|
||||
- adds signature to the DH ratchet step, to compensate for not keeping DH key agreement, but losing the deniability property for some of the messages.
|
||||
|
||||
## Augmented double ratchet algorithm
|
||||
|
||||
The double ratchet algorithm is augmented with post-quantum KEM mechanism, preserving all properties of the double ratchet algorithm.
|
||||
|
||||
It is possible, because although double ratchet uses DH (which is a non-interactive key exchanges), it uses it "interactively", when the new DH keys are generated by both parties in turns. Parties of double-ratchet encrypted communication can run two post-quantum key encapsulation mechanisms in parallel with both DH and KEM key agreements in each DH ratchet step, making break-in recovery of double ratchet algorithm post-quantum resistant, without losing deniability or resistance to conventional computers.
|
||||
|
||||
Specifically, [double ratchet with encrypted headers](https://signal.org/docs/specifications/doubleratchet/#double-ratchet-with-header-encryption) is augmented with some post-quantum key encapsulation mechanism (KEM) as described below. A possible algorithm for PQ KEM is [NTRU-prime](https://ntruprime.cr.yp.to), that is currently adopted in SSH and has available implementations. It is important though that the proposed scheme can be used with any PQ KEM algorithm.
|
||||
|
||||
The downside of the scheme is its substantial size overhead, as the encapsulation key and encapsulated shared secret are added to the header of each message. For the algorithm described below NTRU-prime adds ~2-4kb to each message (depending on the key size and the chosen variant). See [this table](https://ntruprime.cr.yp.to/security.html) for key and ciphertext sizes and the assessment of the security level for various key sizes.
|
||||
|
||||
It is possible to reduce size overhead by using only one KEM agreement and making only one of two ratchet steps providing post-quantum resistant break-in recovery.
|
||||
|
||||
## Double ratchet with encrypted headers augmented with double PQ KEM
|
||||
|
||||
Algorithm below assumes that in addition to shared secret from the initial key agreement, there will be an encapsulation key available from the party that published its keys (Bob).
|
||||
|
||||
### Initialization
|
||||
|
||||
The double ratchet initialization is defined in pseudo-code. This pseudo-code is identical to Signal algorithm specification except for that parts that add post-quantum key agreement.
|
||||
|
||||
```
|
||||
// Alice obtained Bob's keys and initializes ratchet first
|
||||
def RatchetInitAlicePQ2HE(state, SK, bob_dh_public_key, shared_hka, shared_nhkb, bob_pq_kem_encapsulation_key):
|
||||
state.DHRs = GENERATE_DH()
|
||||
state.DHRr = bob_dh_public_key
|
||||
// below added for post-quantum KEM
|
||||
state.PQRs = GENERATE_PQKEM()
|
||||
state.PQRr = bob_pq_kem_encapsulation_key
|
||||
state.PQRss = random // shared secret for KEM
|
||||
state.PQRct = PQKEM-ENC(state.PQRr, state.PQRss) // encapsulated additional shared secret
|
||||
// above added for KEM
|
||||
// the next line augments DH key agreement with PQ shared secret
|
||||
state.RK, state.CKs, state.NHKs = KDF_RK_HE(SK, DH(state.DHRs, state.DHRr) || state.PQRss)
|
||||
state.CKr = None
|
||||
state.Ns = 0
|
||||
state.Nr = 0
|
||||
state.PN = 0
|
||||
state.MKSKIPPED = {}
|
||||
state.HKs = shared_hka
|
||||
state.HKr = None
|
||||
state.NHKr = shared_nhkb
|
||||
|
||||
// Bob initializes ratchet second, having received Alice's connection request
|
||||
def RatchetInitBobPQ2HE(state, SK, bob_dh_key_pair, shared_hka, shared_nhkb, bob_pq_kem_key_pair):
|
||||
state.DHRs = bob_dh_key_pair
|
||||
state.DHRr = None
|
||||
// below added for KEM
|
||||
state.PQRs = bob_pq_kem_key_pair
|
||||
state.PQRr = None
|
||||
state.PQRss = None
|
||||
state.PQRct = None
|
||||
// above added for KEM
|
||||
state.RK = SK
|
||||
state.CKs = None
|
||||
state.CKr = None
|
||||
state.Ns = 0
|
||||
state.Nr = 0
|
||||
state.PN = 0
|
||||
state.MKSKIPPED = {}
|
||||
state.HKs = None
|
||||
state.NHKs = shared_nhkb
|
||||
state.HKr = None
|
||||
state.NHKr = shared_hka
|
||||
```
|
||||
|
||||
`GENERATE_PQKEM` generates decapsulation/encapsulation key pair.
|
||||
|
||||
`PQKEM-ENC` is key encapsulation algorithm.
|
||||
|
||||
Other than commented lines, the above adds parameters `bob_pq_kem_encapsulation_key` and `bob_pq_kem_key_pair` to the ratchet initialization. Otherwise it is identical to the original double ratchet initialization.
|
||||
|
||||
### Encrypting messages
|
||||
|
||||
```
|
||||
def RatchetEncryptPQ2HE(state, plaintext, AD):
|
||||
state.CKs, mk = KDF_CK(state.CKs)
|
||||
// encapsulation key from PQRs and encapsulated shared secret is added to header
|
||||
header = HEADER_PQ2(
|
||||
dh = state.DHRs.public,
|
||||
kem = state.PQRs.public, // added for KEM #2
|
||||
ct = state.PQRct // added for KEM #1
|
||||
pn = state.PN,
|
||||
n = state.Ns,
|
||||
)
|
||||
enc_header = HENCRYPT(state.HKs, header)
|
||||
state.Ns += 1
|
||||
return enc_header, ENCRYPT(mk, plaintext, CONCAT(AD, enc_header))
|
||||
```
|
||||
|
||||
Other than adding encapsulation key and encapsulated shared secret into the header, the above is identical to the original double ratchet message encryption step.
|
||||
|
||||
### Decrypting messages
|
||||
|
||||
```
|
||||
def RatchetDecryptPQ2HE(state, enc_header, ciphertext, AD):
|
||||
plaintext = TrySkippedMessageKeysHE(state, enc_header, ciphertext, AD)
|
||||
if plaintext != None:
|
||||
return plaintext
|
||||
header, dh_ratchet = DecryptHeader(state, enc_header) // DecryptHeader is the same as in double ratchet specification
|
||||
if dh_ratchet:
|
||||
SkipMessageKeysHE(state, header.pn) // SkipMessageKeysHE is the same as in double ratchet specification
|
||||
DHRatchetPQ2HE(state, header)
|
||||
SkipMessageKeysHE(state, header.n)
|
||||
state.CKr, mk = KDF_CK(state.CKr)
|
||||
state.Nr += 1
|
||||
return DECRYPT(mk, ciphertext, CONCAT(AD, enc_header))
|
||||
|
||||
// DecryptHeader is the same as in double ratchet specification
|
||||
def DecryptHeader(state, enc_header):
|
||||
header = HDECRYPT(state.HKr, enc_header)
|
||||
if header != None:
|
||||
return header, False
|
||||
header = HDECRYPT(state.NHKr, enc_header)
|
||||
if header != None:
|
||||
return header, True
|
||||
raise Error()
|
||||
|
||||
def DHRatchetPQ2HE(state, header):
|
||||
state.PN = state.Ns
|
||||
state.Ns = 0
|
||||
state.Nr = 0
|
||||
state.HKs = state.NHKs
|
||||
state.HKr = state.NHKr
|
||||
state.DHRr = header.dh
|
||||
// save new encapsulation key from header
|
||||
state.PQRr = header.kem
|
||||
// decapsulate shared secret from header - KEM #2
|
||||
ss = PQKEM-DEC(state.PQRs.private, header.ct)
|
||||
// use decapsulated shared secret with receiving ratchet
|
||||
state.RK, state.CKr, state.NHKr = KDF_RK_HE(state.RK, DH(state.DHRs, state.DHRr) || ss)
|
||||
state.DHRs = GENERATE_DH()
|
||||
// below is added for KEM
|
||||
state.PQRs = GENERATE_PQKEM() // generate new PQ key pair
|
||||
state.PQRss = random // shared secret for KEM
|
||||
state.PQRct = PQKEM-ENC(state.PQRr, state.PQRss) // encapsulated additional shared secret KEM #1
|
||||
// above is added for KEM
|
||||
// use new shared secret with sending ratchet
|
||||
state.RK, state.CKs, state.NHKs = KDF_RK_HE(state.RK, DH(state.DHRs, state.DHRr) || state.PQRss)
|
||||
```
|
||||
|
||||
`PQKEM-DEC` is key decapsulation algorithm.
|
||||
|
||||
`DHRatchetPQ2HE` augments both DH agreements with decapsulated shared secret from the received header and with the new shared secret, respectively. The new shared secret together with the new encapsulation key are saved in the state and will be added to the header in the next sent message.
|
||||
|
||||
Other than augmenting DH key agreements with the shared secrets from KEM, the above is identical to the original double ratchet DH ratchet step.
|
||||
|
||||
It is worth noting that while DH agreements work as ping-pong, when the new received DH key is used for both DH agreements (and only the sent DH key is updated for the second DH key agreement), PQ KEM agreements in the proposed scheme work as a "parallel ping-pong", with two balls in play all the time (two KEM agreements run in parallel).
|
||||
|
||||
## Implementation considerations for SimpleX Messaging Protocol
|
||||
|
||||
As SimpleX Messaging Protocol pads messages to a fixed size, using 16kb transport blocks, the size increase introduced by this scheme can be compensated for by using ZSTD encryption of JSON bodies and image previews encoded as base64. While there may be some rare cases of random texts that would fail to compress, in all real scenarios it would not cause the message size reduction.
|
||||
|
||||
Sharing the initial keys in case of SimpleX Chat it is equivalent to sharing the invitation link. As encapsulation key is large, it may be inconvenient to share it in the link in some contexts, e.g. when QR codes are used.
|
||||
|
||||
It is possible to postpone sharing the encapsulation key until the first message from Alice (confirmation message in SMP protocol), the party sending connection request. The upside here is that the invitation link size would not increase. The downside is that the user profile shared in this confirmation will not be encrypted with PQ-resistant algorithm.
|
||||
|
||||
Another consideration is pairwise ratchets in groups. Key generation in sntrup761 is quite slow - on slow devices it can be as slow as 10-20 keys per second, so using this primitive in groups larger than 10-20 members would result in slow performance.
|
||||
|
||||
For backward compatibility the implementation must support adding PQ-resistant key agreement to the existing connections.
|
||||
|
||||
It is also beneficial to support removing PQ-resistant key agreement from the connections that have them, e.g. as the group size grows.
|
||||
|
||||
### Chosen KEM algorithm
|
||||
|
||||
The implementation uses Streamlined NTRU-Prime 761 (sntrup761) that was also used for OpenSSH for a long time.
|
||||
|
||||
It was chosen over ML-KEM (Kyber) standardized by NIST for several reasons:
|
||||
|
||||
- sntrup761 was used in OpenSSH for a long period of time.
|
||||
- ML-KEM standardization process raised [concerns](https://groups.google.com/a/list.nist.gov/g/pqc-forum/c/WFRDl8DqYQ4) [amongst](https://blog.cr.yp.to/20231003-countcorrectly.html) the experts.
|
||||
- ML-KEM (if modified) is likely to have conflicts with the existing patents, unlike sntrup761.
|
||||
|
||||
It was chosen over non-interactive CTIDH due to its slower implementation, and lack of optimized code for aarch64 CPUs used in mobile devices.
|
||||
|
||||
## Summary
|
||||
|
||||
If chosen PQ KEM proves secure against quantum computer attacks, then the proposed augmented double ratchet will also be secure against quantum computer attack, including break-in recovery property, while keeping deniability and forward secrecy, because the [same proof](https://eprint.iacr.org/2016/1013.pdf) as for double ratchet algorithm would hold here, provided chosen KEM is secure.
|
||||
@@ -1,398 +0,0 @@
|
||||
Version 2, 2024-06-22
|
||||
|
||||
# Overview of push notifications for SimpleX Messaging Servers
|
||||
|
||||
## Table of contents
|
||||
|
||||
- [Introduction](#introduction)
|
||||
- [Participating servers](#participating-servers)
|
||||
- [Register device token to receive push notifications](#register-device-token-to-receive-push-notifications)
|
||||
- [Subscribe to connection notifications](#subscribe-to-connection-notifications)
|
||||
- [SimpleX Notification Server protocol](#simplex-notification-server-protocol)
|
||||
- [Register new notification token](#register-new-notification-token)
|
||||
- [Verify notification token](#verify-notification-token)
|
||||
- [Check notification token status](#check-notification-token-status)
|
||||
- [Replace notification token](#replace-notification-token)
|
||||
- [Delete notification token](#delete-notification-token)
|
||||
- [Subscribe to periodic notifications](#subscribe-to-periodic-notifications)
|
||||
- [Create SMP message notification subscription](#create-smp-message-notification-subscription)
|
||||
- [Check notification subscription status](#check-notification-subscription-status)
|
||||
- [Delete notification subscription](#delete-notification-subscription)
|
||||
- [Error responses](#error-responses)
|
||||
- [Threat model](#threat-model)
|
||||
|
||||
## Introduction
|
||||
|
||||
SimpleX Messaging servers already operate as push servers and deliver the messages to subscribed clients as soon as they are sent to the servers.
|
||||
|
||||
The reason for push notifications is to support instant message notifications on iOS that does not allow background services.
|
||||
|
||||
## Participating servers
|
||||
|
||||
The diagram below shows which servers participate in message notification delivery.
|
||||
|
||||
While push provider (e.g., APN) can learn how many notifications are delivered to the user, it cannot access message content, even encrypted, or any message metadata - the notifications are e2e encrypted between SimpleX Notification Server and the user's device.
|
||||
|
||||
```
|
||||
User's iOS device Internet Servers
|
||||
--------------------- . ------------------------ . -----------------------------
|
||||
. .
|
||||
. . can be self-hosted now
|
||||
+--------------+ . . +----------------+
|
||||
| SimpleX Chat | -------------- TLS --------------- | SimpleX |
|
||||
| client |------> SimpleX Messaging Protocol (SMP) ------> | Messaging |
|
||||
+--------------+ ---------------------------------- | Server |
|
||||
^ | . . +----------------+
|
||||
| | . . . . . | . . .
|
||||
| | . . | V |
|
||||
| | . . |SMP| TLS
|
||||
| | . . | | | SimpleX
|
||||
| | . . . . . V . . . NTF Server
|
||||
| | . . +----------------------------------+
|
||||
| | . . | +---------------+ |
|
||||
| | -------------- TLS --------------- | | SimpleX | can be |
|
||||
| |-----------> Notification Server Protocol -----> | | Notifications | self-hosted |
|
||||
| ---------------------------------- | | Subscriber | in the future |
|
||||
| . . | +---------------+ |
|
||||
| . . | | |
|
||||
| . . | V |
|
||||
| . . | +---------------+ |
|
||||
| . . | | SimpleX | |
|
||||
| . . | | Push | |
|
||||
| . . | | Server | |
|
||||
| . . | +---------------+ |
|
||||
| . . +----------------------------------+
|
||||
| . . . . . | . . .
|
||||
| . . | V |
|
||||
| . . |SMP| TLS
|
||||
| . . | | |
|
||||
| . . . . . V . . .
|
||||
| -------------- TLS --------------- +-----------------+
|
||||
|----------------- Notification delivery <-------| Apple PN server |
|
||||
---------------------------------- +-----------------+
|
||||
. .
|
||||
```
|
||||
|
||||
## Register device token to receive push notifications
|
||||
|
||||
This diagram shows the process of registering a device to receive PUSH notifications via Apple Push Notification (APN) servers.
|
||||
|
||||
|
||||
|
||||
## Subscribe to connection notifications
|
||||
|
||||
This diagram shows the process of subscription to notifications, notification delivery and device token update.
|
||||
|
||||
|
||||
|
||||
## SimpleX Notification Server protocol
|
||||
|
||||
To manage notification subscriptions to SMP servers, SimpleX Notification Server provides an RPC protocol with a similar design to SimpleX Messaging Protocol server.
|
||||
|
||||
This protocol sends requests and responses in a fixed size blocks of 512 bytes over TLS, uses the same [syntax of protocol transmissions](./simplex-messaging.md#smp-transmission-and-transport-block-structure) as SMP protocol, and has the same transport [handshake syntax](./simplex-messaging.md#transport-handshake) (except the server certificate is not included in the handshake).
|
||||
|
||||
Protocol commands have this syntax:
|
||||
|
||||
```
|
||||
ntfServerTransmission =
|
||||
ntfServerCmd = newTokenCmd / verifyTokenCmd / checkTokenCmd /
|
||||
replaceTokenCmd / deleteTokenCmd / cronCmd /
|
||||
newSubCmd / checkSubCmd / deleteSubCmd
|
||||
```
|
||||
### Register new notification token
|
||||
|
||||
This command should be used after the client app obtains a token from push notifications provider to register the token with the server.
|
||||
|
||||
Having received this command the server will deliver a test notification via the push provider to validate that the client has this token.
|
||||
|
||||
The command syntax:
|
||||
|
||||
```abnf
|
||||
newTokenCmd = %s"TNEW" SP newToken
|
||||
newToken = %s"T" deviceToken authPubKey clientDhPubKey
|
||||
deviceToken = pushProvider tokenString
|
||||
pushProvider = apnsDev / apnsProd / apnsNull
|
||||
apnsDev = "AD" ; APNS token for development environment
|
||||
apnsProd = "AP" ; APNS token for production environment
|
||||
apnsNull = "AN" ; token that does not trigger any notification delivery - used for server testing
|
||||
tokenString = shortString
|
||||
authPubKey = length x509encoded ; Ed25519 key used to verify clients commands
|
||||
clientDhPubKey = length x509encoded ; X25519 key to agree e2e encryption between the server and client
|
||||
shortString = length *OCTET
|
||||
length = 1*1 OCTET
|
||||
```
|
||||
|
||||
The server response syntax:
|
||||
|
||||
```abnf
|
||||
tokenIdResp = %s"IDTKN" SP entityId serverDhPubKey
|
||||
entityId = shortString
|
||||
serverDhPubKey = length x509encoded ; X25519 key to agree e2e encryption between the server and client
|
||||
```
|
||||
|
||||
### Verify notification token
|
||||
|
||||
This command is used to verify the token after the device receives the test notification from the push provider.
|
||||
|
||||
The command syntax:
|
||||
|
||||
```abnf
|
||||
verifyTokenCmd = %s"TVFY" SP regCode
|
||||
regCode = shortString
|
||||
```
|
||||
|
||||
The response to this command is `okResp` or `errorResp`
|
||||
|
||||
```abnf
|
||||
okResp = %s"OK"
|
||||
```
|
||||
|
||||
### Check notification token status
|
||||
|
||||
This command is used to check the token status:
|
||||
|
||||
```abnf
|
||||
checkTokenCmd = %s"TCHK"
|
||||
```
|
||||
|
||||
The response to this command:
|
||||
|
||||
```abnf
|
||||
tokenStatusResp = %s"TKN" SP tokenStatus
|
||||
tokenStatus = %s"NEW" / %s"REGISTERED" / %s"INVALID" / %s"CONFIRMED" / %s"ACTIVE" / %s"EXPIRED"
|
||||
```
|
||||
|
||||
### Replace notification token
|
||||
|
||||
This command should be used when push provider issues a new notification token.
|
||||
|
||||
It happens when:
|
||||
- the app data is migrated to another device.
|
||||
- the app is re-installed on the same device.
|
||||
- can happen periodically, at push provider discretion.
|
||||
|
||||
This command allows to replace the token without re-registering and re-subscribing all notification subscriptions.
|
||||
|
||||
Using this command triggers the same verification flow as registering a new token.
|
||||
|
||||
The command syntax:
|
||||
|
||||
```abnf
|
||||
replaceTokenCmd = %s"TRPL" SP deviceToken
|
||||
```
|
||||
|
||||
The response to this command is `okResp` or `errorResp`.
|
||||
|
||||
### Delete notification token
|
||||
|
||||
The command syntax:
|
||||
|
||||
```abnf
|
||||
deleteTokenCmd = %s"TDEL"
|
||||
```
|
||||
|
||||
The response to this command is `okResp` or `errorResp`.
|
||||
|
||||
After this command all message notification subscriptions will be removed and no more notifications will be sent.
|
||||
|
||||
### Subscribe to periodic notifications
|
||||
|
||||
This command enables or disables periodic notifications sent to the client device irrespective of message notifications.
|
||||
|
||||
This is useful for two reasons:
|
||||
- it provides better privacy from notification server, as while the server learns the device token, it doesn't learn anything else about user communications.
|
||||
- it allows to receive messages when notifications were dropped by push provider, e.g. while the device was offline, or lost by notification server, e.g. while it was restarting.
|
||||
|
||||
The command syntax:
|
||||
|
||||
```abnf
|
||||
cronCmd = %s"TCRN" SP interval
|
||||
interval = 2*2 OCTET ; Word16, minutes
|
||||
```
|
||||
|
||||
The interval for periodic notifications is set in minutes, with the minimum of 20 minutes. The client should pass `0` to disable periodic notifications.
|
||||
|
||||
### Create SMP message notification subscription
|
||||
|
||||
This command makes notification server subscribe to message notifications from SMP server and to deliver them to push provider:
|
||||
|
||||
```abnf
|
||||
newSubCmd = %s"SNEW" newSub
|
||||
newSub = %s "S" tokenId smpServer notifierId notifierKey
|
||||
tokenId = shortString ; returned in response to `TNEW` command
|
||||
smpServer = smpServer = hosts port fingerprint
|
||||
hosts = length 1*host
|
||||
host = shortString
|
||||
port = shortString
|
||||
fingerprint = shortString
|
||||
notifierId = shortString ; returned by SMP server in response to `NKEY` SMP command
|
||||
notifierKey = length x509encoded ; private key used to authorize requests to subscribe to message notifications
|
||||
```
|
||||
|
||||
The response syntax:
|
||||
|
||||
```abnf
|
||||
subIdResp = %s"IDSUB" SP entityId
|
||||
```
|
||||
|
||||
### Check notification subscription status
|
||||
|
||||
This command syntax:
|
||||
|
||||
```abnf
|
||||
checkSubCmd = %s"SCHK"
|
||||
```
|
||||
|
||||
The response:
|
||||
|
||||
```abnf
|
||||
subStatusResp = %s"SUB" SP subStatus
|
||||
subStatus = %s"NEW" / %s"PENDING" / ; e.g., after SMP server disconnect/timeout while ntf server is retrying to connect
|
||||
%s"ACTIVE" / %s"INACTIVE" / %s"END" / ; if another server subscribed to notifications
|
||||
%s"AUTH" / subErrStatus
|
||||
subErrStatus = %s"ERR" SP shortString
|
||||
```
|
||||
|
||||
### Delete notification subscription
|
||||
|
||||
The command syntax:
|
||||
|
||||
```abnf
|
||||
deleteSubCmd = %s"SDEL"
|
||||
```
|
||||
|
||||
The response to this command is `okResp` or `errorResp`.
|
||||
|
||||
After this command no more message notifications will be sent from this queue.
|
||||
|
||||
### Error responses
|
||||
|
||||
All commands can return error response:
|
||||
|
||||
```abnf
|
||||
errorResp = %s"ERR" SP errorType
|
||||
```
|
||||
|
||||
Where `errorType` has the same syntax as in [SimpleX Messaging Protocol](./simplex-messaging.md#error-responses)
|
||||
|
||||
## Threat Model
|
||||
|
||||
This threat model compliments SimpleX Messaging Protocol [threat model](./overview-tjr.md#threat-model)
|
||||
|
||||
#### A passive adversary able to monitor the traffic of one user
|
||||
|
||||
*can:*
|
||||
|
||||
- identify that and a user is using SimpleX push notifications.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- determine which servers a user subscribed to the notifications from.
|
||||
|
||||
#### A passive adversary able to monitor a set of senders and recipients
|
||||
|
||||
*can:*
|
||||
|
||||
- perform more efficient traffic correlation attacks against senders and recipients and correlate senders and recipients within the monitored set, frustrated by the number of users on the servers.
|
||||
|
||||
#### SimpleX Messaging Protocol server
|
||||
|
||||
*can:*
|
||||
|
||||
- learn which messages trigger push notifications.
|
||||
|
||||
- learn IP address of SimpleX notification servers used by the user.
|
||||
|
||||
- drop message notifications.
|
||||
|
||||
- spam a user with invalid notifications.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- learn user device token for push notifications.
|
||||
|
||||
- learn which queues belong to the same users with any additional efficiency compared with not using push notifications.
|
||||
|
||||
#### SimpleX Notification Server subscribed to message notifications
|
||||
|
||||
*can:*
|
||||
|
||||
- learn a user device token.
|
||||
|
||||
- learn how many messaging queues and servers a user receives messages from.
|
||||
|
||||
- learn how many message notifications are delivered to the user from each queue.
|
||||
|
||||
- undetectably drop notifications.
|
||||
|
||||
- spam a user with background notifications.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- learn queue addresses for receiving or sending messages.
|
||||
|
||||
- learn the contents or type of messages (not even encrypted).
|
||||
|
||||
- learn anything about messages sent without notification flag.
|
||||
|
||||
- spam a user with visible notifications (provided the client app can filter push notifications).
|
||||
|
||||
- add, duplicate, or corrupt individual messages that will be shown to the user.
|
||||
|
||||
#### SimpleX Notification Server subscribed ONLY to periodic notifications
|
||||
|
||||
*can:*
|
||||
|
||||
- learn a user device token.
|
||||
|
||||
- drop periodic notifications.
|
||||
|
||||
- spam a user with background notifications.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- learn how many messaging queues and servers a user receives messages from.
|
||||
|
||||
- learn how many message notifications are delivered to the user from each queue.
|
||||
|
||||
- learn queue addresses for receiving or sending messages.
|
||||
|
||||
- learn the contents or type of messages (not even encrypted).
|
||||
|
||||
- learn anything about messages sent without notification flag.
|
||||
|
||||
- spam a user with visible notifications (provided the client app can filter push notifications).
|
||||
|
||||
- add, duplicate, or corrupt individual messages that will be shown to the user.
|
||||
|
||||
#### A user’s contact
|
||||
|
||||
*cannot:*
|
||||
|
||||
- determine if a user uses push notifications or not.
|
||||
|
||||
#### Push notification provider (e.g., APN)
|
||||
|
||||
*can:*
|
||||
|
||||
- learn that a user uses SimpleX app.
|
||||
|
||||
- learn how many notifications are delivered to user's device.
|
||||
|
||||
- drop notifications (in fact, APN coalesces notifications delivered while user's device is offline, delivering only the last one).
|
||||
|
||||
*cannot:*
|
||||
|
||||
- learn which SimpleX Messaging Protocol servers are used by a user (notifications are e2e encrypted).
|
||||
|
||||
- learn which or how many messaging queues a user receives notifications from.
|
||||
|
||||
- learn the contents or type of messages (not even encrypted, notifications only contain encrypted metadata).
|
||||
|
||||
#### An attacker with Internet access
|
||||
|
||||
*cannot:*
|
||||
|
||||
- register notification token not present on attacker's device.
|
||||
|
||||
- enumerate tokens or subscriptions on a SimpleX Notification Server.
|
||||
@@ -1,215 +0,0 @@
|
||||
Revision 1, 2026-03-09
|
||||
|
||||
# SimpleX Network: Security
|
||||
|
||||
This document describes the cryptographic primitives and threat model for the SimpleX network. For a general introduction, see [SimpleX: messaging and application platform](./overview-tjr.md).
|
||||
|
||||
## Table of contents
|
||||
|
||||
- [Encryption primitives](#encryption-primitives)
|
||||
- [Threat model](#threat-model)
|
||||
- [Global Assumptions](#global-assumptions)
|
||||
- [A passive adversary able to monitor the traffic of one user](#a-passive-adversary-able-to-monitor-the-traffic-of-one-user)
|
||||
- [A passive adversary able to monitor a set of senders and recipients](#a-passive-adversary-able-to-monitor-a-set-of-senders-and-recipients)
|
||||
- [SimpleX Messaging Protocol router](#simplex-messaging-protocol-router)
|
||||
- [SimpleX Messaging Protocol router that proxies the messages to another SMP router](#simplex-messaging-protocol-router-that-proxies-the-messages-to-another-smp-router)
|
||||
- [An attacker who obtained Alice's (decrypted) chat database](#an-attacker-who-obtained-alices-decrypted-chat-database)
|
||||
- [A user's contact](#a-users-contact)
|
||||
- [An attacker who observes Alice showing an introduction message to Bob](#an-attacker-who-observes-alice-showing-an-introduction-message-to-bob)
|
||||
- [An attacker with Internet access](#an-attacker-with-internet-access)
|
||||
|
||||
|
||||
## Encryption primitives
|
||||
|
||||
- **Router command authorization**: X25519 DH-based authenticated encryption (SMP v7+), providing sender deniability. Ed25519 signatures used for recipient commands and notifier commands.
|
||||
|
||||
- **Per-queue key agreement**: Curve25519 DH exchange to agree:
|
||||
- the shared secret between router and recipient (to encrypt message bodies — avoids shared ciphertext in sender and recipient traffic),
|
||||
- the shared secret between sender and recipient (to encrypt messages end-to-end in each queue — avoids shared ciphertext in redundant queues).
|
||||
|
||||
- **SMP-layer encryption**: [NaCl crypto_box](https://nacl.cr.yp.to/box.html) (curve25519xsalsa20poly1305) for message body encryption between router and recipient, and for e2e per-queue encryption.
|
||||
|
||||
- **Certificate validation**: SHA256 to validate router offline certificates.
|
||||
|
||||
- **End-to-end encryption**: [Double ratchet](https://signal.org/docs/specifications/doubleratchet/) protocol:
|
||||
- Curve448 keys for shared secret agreement via [X3DH](https://signal.org/docs/specifications/x3dh/) with 2 ephemeral keys per side,
|
||||
- optional [SNTRUP761](https://ntruprime.cr.yp.to/) post-quantum KEM running in parallel with the DH ratchet (see [PQDR](./pqdr.md)), providing post-quantum forward secrecy,
|
||||
- AES-GCM AEAD cipher,
|
||||
- SHA512-based HKDF for key derivation.
|
||||
|
||||
|
||||
## Threat Model
|
||||
|
||||
### Global Assumptions
|
||||
|
||||
- A user protects their local database and key material.
|
||||
- The user's application is authentic, and no local malware is running.
|
||||
- The cryptographic primitives in use are not broken.
|
||||
- A user's choice of routers is not directly tied to their identity or otherwise represents distinguishing information about the user.
|
||||
- The user's client uses 2-hop onion message routing.
|
||||
|
||||
### A passive adversary able to monitor the traffic of one user
|
||||
|
||||
*can:*
|
||||
|
||||
- identify that and when a user is using SimpleX.
|
||||
|
||||
- determine which routers the user receives messages from.
|
||||
|
||||
- observe how much traffic is being sent, and make guesses as to its purpose.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- see who sends messages to the user and who the user sends messages to.
|
||||
|
||||
- determine the routers used by users' contacts.
|
||||
|
||||
### A passive adversary able to monitor a set of senders and recipients
|
||||
|
||||
*can:*
|
||||
|
||||
- identify who and when is using SimpleX.
|
||||
|
||||
- learn which SimpleX Messaging Protocol routers are used as receive queues for which users.
|
||||
|
||||
- learn when messages are sent and received.
|
||||
|
||||
- perform traffic correlation attacks against senders and recipients and correlate senders and recipients within the monitored set, frustrated by the number of users on the routers.
|
||||
|
||||
- observe how much traffic is being sent, and make guesses as to its purpose.
|
||||
|
||||
*cannot, even in case of a compromised transport protocol:*
|
||||
|
||||
- perform traffic correlation attacks with any increase in efficiency over a non-compromised transport protocol.
|
||||
|
||||
### SimpleX Messaging Protocol router
|
||||
|
||||
*can:*
|
||||
|
||||
- learn when a queue recipient is online.
|
||||
|
||||
- know how many messages are sent via the queue (although some may be noise or not content messages).
|
||||
|
||||
- learn which messages would trigger notifications even if a user does not use [push notifications](./push-notifications.md).
|
||||
|
||||
- perform the correlation of the queue used to receive messages (matching multiple queues to a single user) via either a re-used transport connection, user's IP Address, or connection timing regularities.
|
||||
|
||||
- learn a recipient's IP address, track them through other IP addresses they use to access the same queue, and infer information (e.g. employer) based on the IP addresses, as long as Tor is not used.
|
||||
|
||||
- drop all future messages inserted into a queue, detectable only over other, redundant queues.
|
||||
|
||||
- lie about the state of a queue to the recipient and/or to the sender (e.g. suspended or deleted when it is not).
|
||||
|
||||
- spam a user with invalid messages.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- undetectably add, duplicate, or corrupt individual messages.
|
||||
|
||||
- undetectably drop individual messages, so long as a subsequent message is delivered.
|
||||
|
||||
- learn the contents or type of messages.
|
||||
|
||||
- distinguish noise messages from regular messages except via timing regularities.
|
||||
|
||||
- compromise the users' end-to-end encryption with an active attack.
|
||||
|
||||
- learn a sender's IP address, track them through other IP addresses they use to access the same queue, and infer information (e.g. employer) based on the IP addresses, even if Tor is not used (provided messages are sent via proxy SMP router).
|
||||
|
||||
- perform senders' queue correlation (matching multiple queues to a single sender) via either a re-used transport connection, user's IP Address, or connection timing regularities, unless it has additional information from the proxy SMP router (provided messages are sent via proxy SMP router).
|
||||
|
||||
### SimpleX Messaging Protocol router that proxies the messages to another SMP router
|
||||
|
||||
*can:*
|
||||
|
||||
- learn a sender's IP address, as long as Tor is not used.
|
||||
|
||||
- learn when a sender with a given IP address is online.
|
||||
|
||||
- know how many messages are sent from a given IP address and to a given destination SMP router.
|
||||
|
||||
- drop all messages from a given IP address or to a given destination router.
|
||||
|
||||
- unless destination SMP router detects repeated public DH keys of senders, replay messages to a destination router within a single session, causing either duplicate message delivery (which will be detected and ignored by the receiving clients), or, when receiving client is not connected to SMP router, exhausting capacity of destination queues used within the session.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- perform queue correlation (matching multiple queues to a single user), unless it has additional information from the destination SMP router.
|
||||
|
||||
- undetectably add, duplicate, or corrupt individual messages.
|
||||
|
||||
- undetectably drop individual messages, so long as a subsequent message is delivered.
|
||||
|
||||
- learn the contents or type of messages.
|
||||
|
||||
- learn which messages would trigger notifications.
|
||||
|
||||
- learn the destination queues of messages.
|
||||
|
||||
- distinguish noise messages from regular messages except via timing regularities.
|
||||
|
||||
- compromise the user's end-to-end encryption with another user via an active attack.
|
||||
|
||||
- compromise the user's end-to-end encryption with the destination SMP routers via an active attack.
|
||||
|
||||
### An attacker who obtained Alice's (decrypted) chat database
|
||||
|
||||
*can:*
|
||||
|
||||
- see the history of all messages exchanged by Alice with her communication partners.
|
||||
|
||||
- see shared profiles of contacts and groups.
|
||||
|
||||
- surreptitiously receive new messages sent to Alice via existing queues; until communication queues are rotated or the Double-Ratchet advances forward.
|
||||
|
||||
- prevent Alice from receiving all new messages sent to her - either surreptitiously by emptying the queues regularly or overtly by deleting them.
|
||||
|
||||
- send messages from the user to their contacts; recipients will detect it as soon as the user sends the next message, because the previous message hash won't match (and potentially won't be able to decrypt them in case they don't keep the previous ratchet keys).
|
||||
|
||||
*cannot:*
|
||||
|
||||
- impersonate a sender and send messages to the user whose database was stolen. Doing so requires also compromising the router (to place the message in the queue, that is possible until the Double-Ratchet advances forward) or the user's device at a subsequent time (to place the message in the database).
|
||||
|
||||
- undetectably communicate at the same time as Alice with her contacts. Doing so would result in the contact getting different messages with repeated IDs.
|
||||
|
||||
- undetectably monitor message queues in realtime without alerting the user they are doing so, as a second subscription request unsubscribes the first and notifies the first.
|
||||
|
||||
### A user's contact
|
||||
|
||||
*can:*
|
||||
|
||||
- spam the user with messages.
|
||||
|
||||
- forever retain messages from the user.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- cryptographically prove to a third-party that a message came from a user (assuming the user's device is not seized).
|
||||
|
||||
- prove that two contacts they have is the same user.
|
||||
|
||||
- cannot collaborate with another of the user's contacts to confirm they are communicating with the same user.
|
||||
|
||||
### An attacker who observes Alice showing an introduction message to Bob
|
||||
|
||||
*can:*
|
||||
|
||||
- Impersonate Bob to Alice.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- Impersonate Alice to Bob.
|
||||
|
||||
### An attacker with Internet access
|
||||
|
||||
*can:*
|
||||
|
||||
- Denial of Service SimpleX messaging routers.
|
||||
|
||||
- spam a user's public "contact queue" with connection requests.
|
||||
|
||||
*cannot:*
|
||||
|
||||
- send messages to a user who they are not connected with.
|
||||
|
||||
- enumerate queues on a SimpleX router.
|
||||
+235
-659
File diff suppressed because it is too large
Load Diff
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user