fix: Fix backwards logic in auth check

fix: Update error message wording
refactor: Remove redundant destination check in server auth logic
2026-07-02 06:01:38 +00:00 · 2026-06-09 14:45:20 -04:00 · 2026-06-09 14:06:24 -04:00 · 2026-06-09 13:58:03 -04:00 · 2026-06-09 13:56:21 -04:00 · 2026-06-08 10:53:54 -04:00
192 changed files with 8280 additions and 2978 deletions
@@ -71,7 +71,7 @@ runs:

    - name: Install timelord-cli and git-warp-time
      if: steps.check-binaries.outputs.need-install == 'true'
-      uses: https://github.com/taiki-e/install-action@9e1e5806d4a4822de933115878265be9aaa786d9 # v2
+      uses: https://github.com/taiki-e/install-action@e49978b799e49ff429d162b7a30601a569ab6538 # v2
      with:
        tool: git-warp-time,timelord-cli@3.0.1

@@ -10,7 +10,7 @@ on:
      - "v*.*.*"
  workflow_dispatch:
  schedule:
-    - cron: '30 0 * * 1'
+    - cron: '30 0 * * *'

 jobs:
  build:
@@ -41,9 +41,20 @@ jobs:
      #    else
      #      echo "No workaround needed for llvm-project#153385"
      #    fi
+      - name: Pick compatible clang version
+        id: clang-version
+        run: |
+          # both latest need to use clang-23, but oldstable and previous can just use clang
+          if [[ "${{ matrix.container }}" == "ubuntu-latest" ]]; then
+            echo "Using clang-23 package for ${{ matrix.container }}"
+            echo "version=clang-23" >> $GITHUB_OUTPUT
+          else
+            echo "Using default clang package for ${{ matrix.container }}"
+            echo "version=clang" >> $GITHUB_OUTPUT
+          fi

      - name: Checkout repository with full history
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          fetch-depth: 0
          ref: ${{ github.ref_name }}
@@ -82,10 +93,10 @@ jobs:
          # VERSION is the package version, COMPONENT is used in
          # apt's repository config like a git repo branch
          VERSION=$BASE_VERSION
-          if [[ ${{ forge.ref_name }} =~ ^v+[0-9]+\.+[0-9]+\.+[0-9]+$ ]]; then
+          if [[ ${{ forge.ref_name }} =~ ^v+[0-9]\.+[0-9]\.+[0-9]$ ]]; then
            # Use the "stable" component for tagged semver releases
            COMPONENT="stable"
-          elif [[ ${{ forge.ref_name }} =~ ^v+[0-9]+\.+[0-9]+\.+[0-9]+ ]]; then
+          elif [[ ${{ forge.ref_name }} =~ ^v+[0-9]\.+[0-9]\.+[0-9] ]]; then
            # Use the "unstable" component for tagged semver pre-releases
            COMPONENT="unstable"
          else
@@ -119,7 +130,7 @@ jobs:
        run: |
          apt-get update -y
          # Build dependencies for rocksdb
-          apt-get install -y liburing-dev clang
+          apt-get install -y liburing-dev ${{ steps.clang-version.outputs.version }}

      - name: Run cargo-deb
        id: cargo-deb
@@ -16,7 +16,7 @@ on:
    #   - '.forgejo/workflows/build-fedora.yml'
  workflow_dispatch:
  schedule:
-    - cron: '30 0 * * 2'
+    - cron: '30 0 * * *'

 jobs:
  build:
@@ -30,7 +30,7 @@ jobs:
          echo "Fedora version: $VERSION"

      - name: Checkout repository with full history
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          fetch-depth: 0
          ref: ${{ github.ref_name }}
@@ -1,71 +0,0 @@
-name: Build / Static via Nix
-
-concurrency:
-  group: "build-nix-${{ forge.ref }}"
-  cancel-in-progress: true
-
-on:
-  push:
-    tags:
-      - "v*.*.*"
-  workflow_dispatch:
-  schedule:
-    - cron: '30 0 * * 3'
-
-jobs:
-  build:
-    name: "Build ${{ matrix.filename }} Binary"
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        include:
-          - package: default-static-x86_64
-            filename: conduwuit-linux-static-amd64
-          - package: default-static-aarch64
-            filename: conduwuit-linux-static-arm64
-
-          - package: max-perf-static-aarch64
-            filename: conduwuit-linux-static-arm64-maxperf
-          - package: max-perf-haswell-static-x86_64
-            filename: conduwuit-haswell-linux-static-amd64-maxperf
-
-    steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10
-
-      - name: Install Lix
-        uses: https://github.com/samueldr/lix-gha-installer-action@a0fee77b2a98bb7c5c0ed7ae6d6ad4903dbdad0d
-        with:
-          extra_nix_config: experimental-features = nix-command flakes flake-self-attrs
-
-      - name: Build static binary
-        run: |
-          nix build .#${{ matrix.package }}
-          install -D result/bin/conduwuit /tmp/binaries/${{ matrix.filename }}
-
-      - name: Upload binary artifact
-        uses: forgejo/upload-artifact@v4
-        with:
-          name: ${{ matrix.filename }}
-          path: /tmp/binaries/${{ matrix.filename }}
-
-  release-binaries:
-    name: "Release Binaries"
-    runs-on: ubuntu-latest
-    needs:
-      - build
-    permissions:
-      contents: write
-    if: startsWith(github.ref, 'refs/tags/')
-    steps:
-      - name: Download binary artifacts
-        uses: forgejo/download-artifact@v4
-        with:
-          pattern: conduwuit*
-          path: binaries
-          merge-multiple: true
-      - name: Create Release and Upload
-        uses: https://github.com/softprops/action-gh-release@718ea10b132b3b2eba29c1007bb80653f286566b # v3
-        with:
-          draft: true
-          files: binaries/*
@@ -14,19 +14,23 @@ jobs:
    name: Check changelog is added
    runs-on: ubuntu-latest
    steps:
+      - name: Checkout repository
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
+          persist-credentials: false
+          sparse-checkout: .
+
      - name: Check for changelog entry
        id: check_files
        run: |
-          AUTH=$(echo -n "x-access-token:${{ secrets.GITHUB_TOKEN }}" | base64 -w 0)
-          git config --global http.${{ github.server_url }}/.extraheader "Authorization: basic $AUTH"
-          git clone "${{ github.event.repository.clone_url }}" repo.git --bare
-
-          git -C repo.git fetch origin pull/${{ github.event.pull_request.number }}/head
+          git fetch origin ${GITHUB_BASE_REF}

          # Check for Added (A) or Modified (M) files in changelog.d
-          CHANGELOG_CHANGES=$(git -C repo.git diff --name-status ${{ github.event.pull_request.base.sha }}...${{ github.event.pull_request.head.sha }} -- changelog.d/)
+          CHANGELOG_CHANGES=$(git diff --name-status origin/${GITHUB_BASE_REF}...HEAD -- changelog.d/)

-          SRC_CHANGES=$(git -C repo.git diff --name-status ${{ github.event.pull_request.base.sha }}...${{ github.event.pull_request.head.sha }} -- src/)
+          SRC_CHANGES=$(git diff --name-status origin/${GITHUB_BASE_REF}...HEAD -- src/)

          echo "Changes in changelog.d/:"
          echo "$CHANGELOG_CHANGES"
@@ -21,7 +21,7 @@ jobs:

    steps:
      - name: Sync repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false
          fetch-depth: 0
@@ -41,7 +41,7 @@ jobs:
      DOCKER_MIRROR_TOKEN: ${{ secrets.DOCKER_MIRROR_TOKEN }}
    steps:
      - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false

@@ -55,7 +55,7 @@ jobs:
      #     repositories: continuwuity

      - name: Install regsync
-        uses: https://github.com/regclient/actions/regsync-installer@4b4db1dcc7dad75ad67a788a380f75a20cc8a040 # main
+        uses: https://github.com/regclient/actions/regsync-installer@c70ad64367908075211b10dcd2ab9fad4bfa1816 # main

      - name: Check what images need mirroring
        run: |
@@ -17,7 +17,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false

@@ -48,7 +48,7 @@ jobs:
      rust: ${{ steps.filter.outputs.rust }}
    steps:
      - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false

@@ -70,7 +70,7 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false

@@ -46,7 +46,7 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false
      - name: Prepare Docker build environment
@@ -100,7 +100,7 @@ jobs:
    needs: build-release
    steps:
      - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false
      - name: Create multi-platform manifest
@@ -133,7 +133,7 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false
      - name: Prepare max-perf Docker build environment
@@ -187,7 +187,7 @@ jobs:
    needs: build-maxperf
    steps:
      - name: Checkout repository
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: false
      - name: Create max-perf manifest
@@ -216,7 +216,7 @@ jobs:
          path: binaries
          merge-multiple: true
      - name: Create Release and Upload
-        uses: https://github.com/softprops/action-gh-release@718ea10b132b3b2eba29c1007bb80653f286566b # v3
+        uses: https://github.com/softprops/action-gh-release@b4309332981a82ec1c5618f44dd2e27cc8bfbfda # v3
        with:
          draft: true
          files: binaries/*
@@ -43,11 +43,11 @@ jobs:
    name: Renovate
    runs-on: ubuntu-latest
    container:
-      image: ghcr.io/renovatebot/renovate:43.234.0@sha256:bff111bfe347c559c615b658b28721eba5b7bb32a7b7901ea321336767209fe1
+      image: ghcr.io/renovatebot/renovate:43.214.6@sha256:fd228b92f067204e444ddea1ec2fefb007592f9a46845e966f9334d5bd4bb52c
      options: --tmpfs /tmp:exec
    steps:
      - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          show-progress: false

@@ -14,7 +14,7 @@ jobs:
  update-flake-hashes:
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          persist-credentials: true
          token: ${{ secrets.FORGEJO_TOKEN }}
@@ -27,7 +27,7 @@ jobs:
      - name: Get new toolchain hash
        run: |
          # Set the current sha256 to an empty hash to make `nix build` calculate a new one
-          awk '/fromToolchainName *\{/{found=1; print; next} found && /sha256 =/{sub(/sha256 = .*/, "sha256 = lib.fakeSha256;"); found=0} 1' nix/rust.nix > temp.nix
+          awk '/fromToolchainFile *\{/{found=1; print; next} found && /sha256 =/{sub(/sha256 = .*/, "sha256 = lib.fakeSha256;"); found=0} 1' nix/rust.nix > temp.nix
          mv temp.nix nix/rust.nix

          # Build continuwuity and filter for the new hash
@@ -39,7 +39,7 @@ jobs:
          sed -i "s|lib.fakeSha256|\"$new_hash\"|" nix/rust.nix

          echo "New hash:"
-          awk -F'"' '/fromToolchainName/{found=1; next} found && /sha256 =/{print $2; found=0}' nix/rust.nix
+          awk -F'"' '/fromToolchainFile/{found=1; next} found && /sha256 =/{print $2; found=0}' nix/rust.nix
          echo "Expected new hash:"
          cat new_toolchain_hash.txt

@@ -12,7 +12,7 @@ license = "Apache-2.0"
 # See also `rust-toolchain.toml`
 readme = "README.md"
 repository = "https://forgejo.ellis.link/continuwuation/continuwuity"
-version = "26.6.0-alpha.1"
+version = "0.5.9"

 [workspace.metadata.crane]
 name = "conduwuit"
@@ -124,7 +124,7 @@ default-features = false
 features = ["util"]

 [workspace.dependencies.tower-http]
-version = "0.7.0"
+version = "0.6.8"
 default-features = false
 features = [
    "add-extension",
@@ -164,7 +164,7 @@ features = ["raw_value"]

 # Used for appservice registration files
 [workspace.dependencies.serde-saphyr]
-version = "0.0.27"
+version = "0.0.26"

 # Used to load forbidden room/user regex from config
 [workspace.dependencies.serde_regex]
@@ -296,7 +296,7 @@ default-features = false
 features = ["env", "toml"]

 [workspace.dependencies.hickory-resolver]
-version = "0.26.0"
+version = "0.25.2"
 default-features = false
 features = [
    "serde",
@@ -316,7 +316,7 @@ default-features = false

 # Used to make working with iterators easier, was already a transitive depdendency
 [workspace.dependencies.itertools]
-version = "0.15.0"
+version = "0.14.0"

 # to parse user-friendly time durations in admin commands
 #TODO: overlaps chrono?
@@ -343,8 +343,8 @@ version = "1.1.1"
 # Used for matrix spec type definitions and helpers
 [workspace.dependencies.ruma]
 # version = "0.14.1"
-git = "https://github.com/ruma/ruma.git"
-rev = "3ecd80b92794d2d93f657a7b3db62d4be237526b"
+git = "https://github.com/gingershaped/ruwuma.git"
+rev = "a0178c4e5e1729d27cf2f1c4dacf77b763987749"
 features = [
    "appservice-api-c",
    "client-api",
@@ -379,6 +379,7 @@ features = [
    "unstable-msc4406",
    "unstable-msc4439",
    "unstable-msc4466",
+    "unstable-msc4484",
    "unstable-extensible-events",
 ]

@@ -559,6 +560,9 @@ features = ["std"]
 [workspace.dependencies.nonzero_ext]
 version = "0.3.0"

+[workspace.dependencies.serde_urlencoded]
+version = "0.7.1"
+
 #
 # Patches
 #
@@ -23,7 +23,6 @@ ### Responsible Disclosure
 1. **Contact members of the team directly** over E2EE private message.
   - [@jade:ellis.link](https://matrix.to/#/@jade:ellis.link)
   - [@nex:nexy7574.co.uk](https://matrix.to/#/@nex:nexy7574.co.uk)
-   - [@ginger:gingershaped.computer](https://matrix.to/#/@ginger:gingershaped.computer)
 2. **Email the security team** at [security@continuwuity.org](mailto:security@continuwuity.org). This is not E2EE, so don't include sensitive details.
 3. **Do not disclose the vulnerability publicly** until it has been addressed
 4. **Provide detailed information** about the vulnerability, including:
@@ -0,0 +1 @@
+Users may now be forbidden from deactivating their own accounts with the new `allow_deactivation` config option. Contributed by @ginger.
@@ -1 +0,0 @@
-Added support for Matrix 1.16's `state_after` feature, allowing clients which understand it to sync room state changes more reliably. Contributed by @ginger.
@@ -0,0 +1 @@
+Added support for authenticating clients using the new OAuth 2.0 login API. Contributed by @ginger.
@@ -1 +0,0 @@
-Added example configuration using caddy-docker-proxy in the livekit setup section of the docs. Contributed by @Cease
@@ -1 +0,0 @@
-Fixed admin commands being ignored when they had leading whitespace before admin commands. Contributed by @kitvonsnookerz.
@@ -1 +0,0 @@
-Added static builds using Nix, allowing for Continuwuity on musl. During this, we also introduced a `max-perf-haswell` package, separating it from `max-perf`, so you may want to swap to this if you are on NixOS. Contributed by @Henry-Hiles (QuadRadical).
@@ -1 +0,0 @@
-Added support for MSC4380 invite blocking, which has become part of the Matrix specification in v1.18. Contributed by @nex.
@@ -1 +0,0 @@
-Added `!admin debug get-state-at` command
@@ -1 +0,0 @@
-Adjusted legacy sync logic to no longer use the `roomsynctoken_shortstatehash` database column. Once this change has been confirmed to be stable and reliable, a future update will remove it entirely, significantly decreasing database sizes. Contributed by @ginger.
@@ -521,17 +521,15 @@
 #
 #recaptcha_private_site_key =

-# Policy documents, such as terms and conditions or a privacy policy,
-# which users must agree to when registering an account.
+# Controls whether users are allowed to deactivate their own accounts
+# through the account management panel or their Matrix clients. Server
+# admins can always deactivate users using the relevant admin commands.
 #
-# Example:
-# ```ignore
-# [global.registration_terms.privacy_policy]
-# en = { name = "Privacy Policy", url = "https://homeserver.example/en/privacy_policy.html" }
-# es = { name = "Política de Privacidad", url = "https://homeserver.example/es/privacy_policy.html" }
-# ```
+# Note that, in some jurisdictions, you may be legally required to honor
+# users who request to deactivate their accounts if you set this option
+# to `false`.
 #
-#registration_terms = {}
+#allow_deactivation = true

 # Controls whether encrypted rooms and events are allowed.
 #
@@ -1987,3 +1985,33 @@
 # `require_email_for_registration`.
 #
 #require_email_for_token_registration = false
+
+#[global.registration_terms]
+
+# The language code to provide to clients along with the policy documents.
+#
+#language = "en"
+
+# Policy documents, such as terms and conditions or a privacy policy,
+# which users must agree to when registering an account.
+#
+# Example:
+# ```ignore
+# [global.registration_terms.documents]
+# privacy_policy = { name = "Privacy Policy", url = "https://homeserver.example/en/privacy_policy.html" }
+# ```
+#
+#documents = {}
+
+#[global.oauth]
+
+# The compatibility mode to use for OAuth.
+#
+# - "disabled": OAuth will be unavailable. Users will only be able to log
+#   in using legacy authentication.
+# - "hybrid": OAuth and legacy authentication will both be available. Some
+#   clients may only use one or the other.
+# - "exclusive": Only OAuth will be available. Clients which require
+#   legacy authentication will be unable to log in.
+#
+#compatibility_mode = "hybrid"
@@ -50,7 +50,7 @@ EOF

 # Developer tool versions
 # renovate: datasource=github-releases depName=cargo-bins/cargo-binstall
-ENV BINSTALL_VERSION=1.20.1
+ENV BINSTALL_VERSION=1.19.1
 # renovate: datasource=github-releases depName=psastras/sbom-rs
 ENV CARGO_SBOM_VERSION=0.9.1
 # renovate: datasource=crate depName=lddtree
@@ -18,7 +18,7 @@ RUN --mount=type=cache,target=/etc/apk/cache apk add \

 # Developer tool versions
 # renovate: datasource=github-releases depName=cargo-bins/cargo-binstall
-ENV BINSTALL_VERSION=1.20.1
+ENV BINSTALL_VERSION=1.19.1
 # renovate: datasource=github-releases depName=psastras/sbom-rs
 ENV CARGO_SBOM_VERSION=0.9.1
 # renovate: datasource=crate depName=lddtree
@@ -187,75 +187,6 @@ ### 4. Configure your Reverse Proxy
    ```

 </details>
-<details>
-   <summary>Example docker compose file with caddy-docker-proxy labels</summary>
-   ```yaml
-   # This setup assumes all containers share the same bridge network
-   services:
-    lk-jwt-service:
-        image: ghcr.io/element-hq/lk-jwt-service:latest
-        container_name: lk-jwt-service
-        # lk-jwt-service environment config here..
-        labels:
-            caddy: livekit.example.com
-            caddy.@lk-jwt-service.path: "/sfu/get* /healthz* /get_token*"
-            caddy.reverse_proxy: "@lk-jwt-service {{upstreams 8081}}"
-
-
-    livekit:
-        image: livekit/livekit-server:latest
-        container_name: livekit
-        command: --config /etc/livekit.yaml
-        restart: unless-stopped
-        labels:
-            caddy: livekit.example.com
-            caddy.reverse_proxy: "{{upstreams 7880}}"
-        volumes:
-            - ./livekit.yaml:/etc/livekit.yaml:ro
-        ports:
-            - "127.0.0.1:7880:7880/tcp"
-            - "7881:7881/tcp"
-            - "50100-50200:50100-50200/udp"
-
-
-    caddy:
-        image: lucaslorentz/caddy-docker-proxy:ci-alpine
-        ports:
-            - 80:80
-            - 443:443
-        environment:
-            - CADDY_INGRESS_NETWORKS=caddy
-        volumes:
-            - /var/run/docker.sock:/var/run/docker.sock
-            - ./data:/data
-        restart: unless-stopped
-        labels:
-            # If you already configured `[global.well_known]` with Continuwuity,
-            # comment out the *_respond labels and add this line
-            # caddy.reverse_proxy: /.well-known/matrix/* homeserver:8008
-            caddy.1_respond: /.well-known/matrix/server {"m.server":"matrix.example.com:443"}
-            caddy.2_respond: /.well-known/matrix/client {"m.server":{"base_url":"https://matrix.example.com"},"m.homeserver":{"base_url":"https://matrix.example.com"},"org.matrix.msc4143.rtc_foci":[{"type":"livekit","livekit_service_url":"https://livekit.example.com"}]}
-
-            # If you are having problems with continuwuity serving headers uncomment
-            # the header section below.
-
-            # caddy: example.com
-            # caddy.0_header: "*"
-            # caddy.0_header.Access-Control-Allow-Origin: "*"
-            # caddy.0_header.Access-Control-Allow-Methods: "GET, POST, OPTIONS"
-            # caddy.0_header.Access-Control-Allow-Headers: "Authorization"
-            # caddy.0_header.Content-Type: "application/json"
-
-    homeserver:
-        image: forgejo.ellis.link/continuwuation/continuwuity:latest
-        restart: unless-stopped
-        # add additional environment, volume, and network config here...
-        labels:
-            caddy: matrix.example.com
-            caddy.reverse_proxy: "{{upstreams 8008}}"
-
-    ```
-</details>


 ### 6. Start Everything
@@ -47,15 +47,9 @@ #### Performance-optimised builds

 ### Nix

-If you wish to generate a static binary, you can do so using Nix: `nix build git+https://forgejo.ellis.link/continuwuation/continuwuity#packageName`, where `packageName` is one of:
+Theres a Nix package defined in our flake, available for Linux and MacOS. Add continuwuity as an input to your flake, and use `inputs.continuwuity.packages.${system}.default` to get a working Continuwuity package.

- `default-static-x86_64`
- `default-static-aarch64`
- `max-perf-static-x86_64`
- `max-perf-haswell-static-x86_64`
- `max-perf-static-aarch64`
-
-`max-perf` takes longer to build, but has more runtime optimizations. Haswell builds are optimized for modern CPUs.
+If you simply wish to generate a binary using Nix, you can run `nix build git+https://forgejo.ellis.link/continuwuation/continuwuity` to generate a binary in `result/bin/conduwuit`.

 ### Compiling

@@ -47,16 +47,9 @@ ### Available options
 - `extraEnvironment`: Extra environment variables to pass to the Continuwuity server
 - `package`: The Continuwuity package to use, defaults to `pkgs.matrix-continuwuity`
    - You may want to override this to be from our flake, for faster updates and unstable versions:
-
    ```nix
-    package = inputs.continuwuity.packages.${pkgs.stdenv.hostPlatform.system}.packageName;
+    package = inputs.continuwuity.packages.${pkgs.stdenv.hostPlatform.system}.default;
    ```
-
-    Where `packageName` is one of:
-    - `default`
-    - `max-perf`: Takes longer to build, but has more runtime optimizations
-    - `max-perf-haswell`: Optimized for modern CPUs, don't use if your CPU is not Haswell or later.
-
 - `admin.enable`: Whether to add the `conduwuit` binary to `PATH` for administration (enabled by default)
 - `settings`: The Continuwuity configuration

@@ -6,10 +6,10 @@
            "message": "Welcome to Continuwuity! Important announcements about the project will appear here."
        },
        {
-            "id": 14,
+            "id": 13,
            "mention_room": true,
-            "date": "2026-06-20",
-            "message": "[v0.5.10](https://forgejo.ellis.link/continuwuation/continuwuity/releases/tag/v0.5.10) has been released. It is a security release, so we suggest you update as soon as possible. Don't forget to also join [our announcements room](https://matrix.to/#/!jIdNjSM5X-V5JVx2h2kAhUZIIQ08GyzPL55NFZAH1vM/%24K1ISNKIqfNiZzsNVCaTt2E7ZtNeP6Dsy6sbz9l3rO0A?via=ellis.link&via=gingershaped.computer&via=matrix.org)."
+            "date": "2026-05-08",
+            "message": "[v0.5.9](https://forgejo.ellis.link/continuwuation/continuwuity/releases/tag/v0.5.9) has been released, fixing a few low-severity federation-related vulnerabilities. It is recommended you read the changelog and update as soon as possible. There are no new features or other changes in this release, only related bugfixes. Deployments tracking the main branch should also update to the latest commit."
        }
    ]
 }
@@ -10,7 +10,7 @@ ## Continuwuity issues

 ### Slow joins to rooms

-Some slowness is to be expected if you're the first person on your homeserver to join a room (which will
+Some slowness is to be expected if you're the first person on your homserver to join a room (which will
 always be the case for single-user homeservers). In this situation, your homeserver has to verify the signatures of
 all of the state events sent by other servers before your join. To make this process as fast as possible, make sure you have
 multiple fast, trusted servers listed in `trusted_servers` in your configuration, and ensure
@@ -3,11 +3,11 @@
    "advisory-db": {
      "flake": false,
      "locked": {
-        "lastModified": 1781566179,
-        "narHash": "sha256-Tqv8I586fYzWpEW/Smq/JqESFa3DVVzVWsnAMtvhy/I=",
+        "lastModified": 1779575509,
+        "narHash": "sha256-wXKYURZz76ZC5lbuDA1oVQA/MxSB3pSJ1raF1HG0oIc=",
        "owner": "rustsec",
        "repo": "advisory-db",
-        "rev": "74e084413d979d52d2f93b1d93b1ab7b9ee648f5",
+        "rev": "831c50f4a4304068f125e603add6a8839f08b3eb",
        "type": "github"
      },
      "original": {
@@ -18,11 +18,11 @@
    },
    "crane": {
      "locked": {
-        "lastModified": 1780532242,
-        "narHash": "sha256-D+BsdpxmtUwtqGoY0IXPhHgTlmqgcZKCEo1oMyn7ep0=",
+        "lastModified": 1779130139,
+        "narHash": "sha256-BLrtr42azquO7MdGFU5a7KiMl3YpFlTeIXqy1fT5GlQ=",
        "owner": "ipetkov",
        "repo": "crane",
-        "rev": "59a82a1222dd3b2080b5cc52a1a2e8d5f1b77f37",
+        "rev": "edb38893982a3338972bb4a2ec7ce7c29ba10fd9",
        "type": "github"
      },
      "original": {
@@ -39,11 +39,11 @@
        "rust-analyzer-src": "rust-analyzer-src"
      },
      "locked": {
-        "lastModified": 1781527054,
-        "narHash": "sha256-1fX9ev2Fh5QoKQ41G9dYutjo5j/jywu6tZse5Eb1Ck4=",
+        "lastModified": 1779612045,
+        "narHash": "sha256-+7lfNVnmXJDkiRYHd5NoNwYoyUcc0LcXPaIJqjO7VWM=",
        "owner": "nix-community",
        "repo": "fenix",
-        "rev": "8c2e51dffefc040a21975da7abf6f252c8c9b783",
+        "rev": "d7be747f0a65af378de515fc3cee131bf99a008f",
        "type": "github"
      },
      "original": {
@@ -89,11 +89,11 @@
    },
    "nixpkgs": {
      "locked": {
-        "lastModified": 1781074563,
-        "narHash": "sha256-md8WlXOlfnIeHeOScMTTHFyf2d6iaTwPl2apR5EQ3P4=",
+        "lastModified": 1779508470,
+        "narHash": "sha256-Ap9KJX+5xHIn3bPIpfNgT6MEXdAECECwo4/rmlQD74M=",
        "owner": "NixOS",
        "repo": "nixpkgs",
-        "rev": "9ae611a455b90cf061d8f332b977e387bda8e1ca",
+        "rev": "29916453413845e54a65b8a1cf996842300cd299",
        "type": "github"
      },
      "original": {
@@ -132,11 +132,11 @@
    "rust-analyzer-src": {
      "flake": false,
      "locked": {
-        "lastModified": 1781453968,
-        "narHash": "sha256-+V3nK4pCngbmgyVGXY6Kkrlevp4ocPkJJLf2aqwkDNA=",
+        "lastModified": 1779569060,
+        "narHash": "sha256-NSnk5D+3KEfRdbgPijs33N2RAKSG6A74SwfnynLcouo=",
        "owner": "rust-lang",
        "repo": "rust-analyzer",
-        "rev": "cc272809a173c2c11d0e479d639c811c1eacf049",
+        "rev": "987ea33645ab1c709b1df6823038abcb2fe8973e",
        "type": "github"
      },
      "original": {
@@ -153,11 +153,11 @@
        ]
      },
      "locked": {
-        "lastModified": 1780220602,
-        "narHash": "sha256-eynAfOmbmxJnkp7YewvCEbShNnnYJ9gLLqkzsYtBPeM=",
+        "lastModified": 1775636079,
+        "narHash": "sha256-pc20NRoMdiar8oPQceQT47UUZMBTiMdUuWrYu2obUP0=",
        "owner": "numtide",
        "repo": "treefmt-nix",
-        "rev": "db947814a175b7ca6ded66e21383d938df01c227",
+        "rev": "790751ff7fd3801feeaf96d7dc416a8d581265ba",
        "type": "github"
      },
      "original": {
@@ -0,0 +1,14 @@
+{ inputs, ... }:
+{
+  perSystem =
+    {
+      pkgs,
+      self',
+      ...
+    }:
+    {
+      _module.args.craneLib = (inputs.crane.mkLib pkgs).overrideToolchain (
+        pkgs: self'.packages.stable-toolchain
+      );
+    };
+}
@@ -1,6 +1,7 @@
 {
  imports = [
    ./rust.nix
+    ./crane.nix
    ./packages
    ./devshell.nix
    ./fmt.nix
@@ -1,6 +1,7 @@
-{ inputs, ... }: {
+{
  perSystem =
    {
+      craneLib,
      self',
      lib,
      pkgs,
@@ -8,36 +9,34 @@
    }:
    {
      # basic nix shell containing all things necessary to build continuwuity in all flavors manually (on x86_64-linux)
-      devShells.default =
-        (inputs.crane.mkLib pkgs).overrideToolchain (pkgs: self'.packages.stable-toolchain).devShell
-          {
-            packages = [
-              self'.packages.rocksdb
-              pkgs.nodejs
-              pkgs.pkg-config
+      devShells.default = craneLib.devShell {
+        packages = [
+          self'.packages.rocksdb
+          pkgs.nodejs
+          pkgs.pkg-config
+        ]
+        ++ lib.optionals pkgs.stdenv.isLinux [
+          pkgs.liburing
+          pkgs.rust-jemalloc-sys-unprefixed
+        ];
+
+        env = {
+          LIBCLANG_PATH = lib.makeLibraryPath [ pkgs.llvmPackages.libclang.lib ];
+          LD_LIBRARY_PATH = lib.makeLibraryPath (
+            [
+              pkgs.stdenv.cc.cc.lib
            ]
            ++ lib.optionals pkgs.stdenv.isLinux [
              pkgs.liburing
-              pkgs.rust-jemalloc-sys-unprefixed
-            ];
-
-            env = {
-              LIBCLANG_PATH = lib.makeLibraryPath [ pkgs.llvmPackages.libclang.lib ];
-              LD_LIBRARY_PATH = lib.makeLibraryPath (
-                [
-                  pkgs.stdenv.cc.cc.lib
-                ]
-                ++ lib.optionals pkgs.stdenv.isLinux [
-                  pkgs.liburing
-                  pkgs.jemalloc
-                ]
-              );
-            }
-            // lib.optionalAttrs pkgs.stdenv.isLinux {
-              PKG_CONFIG_PATH = lib.makeSearchPath "lib/pkgconfig" [
-                pkgs.liburing.dev
-              ];
-            };
-          };
+              pkgs.jemalloc
+            ]
+          );
+        }
+        // lib.optionalAttrs pkgs.stdenv.isLinux {
+          PKG_CONFIG_PATH = lib.makeSearchPath "lib/pkgconfig" [
+            pkgs.liburing.dev
+          ];
+        };
+      };
    };
 }
@@ -2,14 +2,14 @@
  lib,
  self,
  stdenv,
-  rocksdb,
+  liburing,
  craneLib,
  pkg-config,
-  liburing,
  rustPlatform,
  cargoExtraArgs ? "",
  rustflags ? "",
  target_cpu ? null,
+  rocksdb,
  profile ? "release",
 }:
 let
@@ -28,26 +28,18 @@ let
  };

  attrs = {
-    __structuredAttrs = true;
-    strictDeps = true;
-
    inherit src;
-
    nativeBuildInputs = [
      pkg-config
      rustPlatform.bindgenHook
    ];
-
    buildInputs = lib.optionals stdenv.hostPlatform.isLinux [ liburing ];
-
    env = {
+      ROCKSDB_INCLUDE_DIR = "${rocksdb}/include";
+      ROCKSDB_LIB_DIR = "${rocksdb}/lib";
      CARGO_PROFILE = profile;
      RUSTFLAGS = rustflags;
    }
-    // (lib.optionalAttrs (rocksdb != null) {
-      ROCKSDB_INCLUDE_DIR = "${rocksdb}/include";
-      ROCKSDB_LIB_DIR = "${rocksdb}/lib";
-    })
    // (lib.optionalAttrs (target_cpu != null) {
      TARGET_CPU = target_cpu;
    });
@@ -59,7 +51,7 @@ craneLib.buildPackage (
    cargoArtifacts = craneLib.buildDepsOnly attrs;

    # Needed to make continuwuity link to rocksdb
-    postFixup = lib.optionalString (stdenv.hostPlatform.isLinux && rocksdb != null) ''
+    postFixup = lib.optionalString stdenv.hostPlatform.isLinux ''
      old_rpath="$(patchelf --print-rpath $out/bin/conduwuit)"
      extra_rpath="${
        lib.makeLibraryPath [
@@ -1,5 +1,4 @@
 {
-  inputs,
  self,
  ...
 }:
@@ -7,84 +6,32 @@
  perSystem =
    {
      self',
-      lib,
      pkgs,
-      inputs',
-      system,
      craneLib,
-      mkToolchain,
      ...
    }:
    {
-      packages =
-        let
-          mkPackages =
-            pkgs:
-            let
-              fnx = inputs'.fenix.packages;
+      packages = {
+        rocksdb = pkgs.callPackage ./rocksdb.nix { };
+        default = pkgs.callPackage ./continuwuity.nix {
+          inherit self craneLib;
+          inherit (self'.packages) rocksdb;
+          # extra features via `cargoExtraArgs`
+          cargoExtraArgs = "-F http3";
+          # extra RUSTFLAGS via `rustflags`
+          # the stuff below is required for http3
+          rustflags = "--cfg reqwest_unstable";
+        };
+        # users may also override this with other cargo profiles to build for other feature sets
+        # for features configuration see `default` package which enables http3 by default

-              isStatic = pkgs.stdenv.hostPlatform.isMusl;
-
-              craneLib = (inputs.crane.mkLib pkgs).overrideToolchain (
-                _:
-                if isStatic then
-                  fnx.combine [
-                    self'.packages.stable-toolchain
-                    (mkToolchain fnx.targets.${pkgs.stdenv.hostPlatform.config}).rust-std
-                  ]
-                else
-                  self'.packages.stable-toolchain
-              );
-
-              default = pkgs.callPackage ./continuwuity.nix {
-                inherit self craneLib;
-
-                liburing = (if isStatic then pkgs.pkgsStatic else pkgs).liburing;
-                rocksdb = if isStatic then null else self'.packages.rocksdb;
-
-                # extra features via `cargoExtraArgs`
-                cargoExtraArgs = "-F http3";
-                # extra RUSTFLAGS via `rustflags`
-                # the stuff below is required for http3
-                rustflags = "--cfg reqwest_unstable";
-              };
-
-              # users may also override this with other cargo profiles to build for other feature sets
-              # for features configuration see `default` package which enables http3 by default
-
-              max-perf = default.override {
-                # compiles slower but with more thorough optimizations
-                profile = "release-max-perf";
-              };
-
-              max-perf-haswell = max-perf.override {
-                # compiles explicitly for haswell arch cpus
-                target_cpu = "haswell";
-              };
-            in
-            {
-              inherit default max-perf max-perf-haswell;
-            };
-        in
-        {
-          rocksdb = pkgs.callPackage ./rocksdb.nix { };
-        }
-        // (mkPackages pkgs)
-        // (lib.mapAttrs' (name: value: lib.nameValuePair "${name}-static-x86_64" value) (
-          mkPackages (
-            import inputs.nixpkgs {
-              localSystem = system;
-              crossSystem = "x86_64-unknown-linux-musl";
-            }
-          )
-        ))
-        // (lib.mapAttrs' (name: value: lib.nameValuePair "${name}-static-aarch64" value) (
-          mkPackages (
-            import inputs.nixpkgs {
-              localSystem = system;
-              crossSystem = "aarch64-unknown-linux-musl";
-            }
-          )
-        ));
+        # example: different compilation profile and different target_cpu
+        max-perf-haswell = self'.packages.default.override {
+          # compiles explicitly for haswell arch cpus
+          target_cpu = "haswell";
+          # compiles slower but with more thorough optimizations
+          profile = "release-max-perf";
+        };
+      };
    };
 }
@@ -2,26 +2,22 @@
 {
  perSystem =
    {
+      system,
      lib,
-      inputs',
      pkgs,
      ...
    }:
-    let
-      mkToolchain =
-        target:
-        target.fromToolchainName {
-          name = (lib.importTOML "${inputs.self}/rust-toolchain.toml").toolchain.channel;
-          sha256 = "sha256-mvUGEOHYJpn3ikC5hckneuGixaC+yGrkMM/liDIDgoU=";
-        };
-    in
    {
-      _module.args = { inherit mkToolchain; };
-
      packages =
        let
-          fnx = inputs'.fenix.packages;
-          stable-toolchain = (mkToolchain fnx).toolchain;
+          fnx = inputs.fenix.packages.${system};
+
+          stable-toolchain = fnx.fromToolchainFile {
+            file = inputs.self + "/rust-toolchain.toml";
+
+            # See also `rust-toolchain.toml`
+            sha256 = "sha256-mvUGEOHYJpn3ikC5hckneuGixaC+yGrkMM/liDIDgoU=";
+          };
        in
        {
          inherit stable-toolchain;
@@ -125,13 +125,13 @@
      }
    },
    "node_modules/@rsbuild/core": {
-      "version": "2.0.15",
-      "resolved": "https://registry.npmjs.org/@rsbuild/core/-/core-2.0.15.tgz",
-      "integrity": "sha512-O8vmMhZu1YImO6jOqt/K/vlJSvkq7UtSq5YM1DIlcEd9LW8Gf6/dkQ1B2KPI6F+hSMFBnTTTumdcIowSLCw97g==",
+      "version": "2.0.11",
+      "resolved": "https://registry.npmjs.org/@rsbuild/core/-/core-2.0.11.tgz",
+      "integrity": "sha512-Mpp/viUSkVdSWJkFipdZxM2nUztrBwSnMm6Q86bPzLHtHnXqQ3VFpSMlA4wWRyySNddP6s6efKiVpx0ZOCf7Gg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@rspack/core": "~2.0.8",
+        "@rspack/core": "~2.0.6",
        "@swc/helpers": "^0.5.23"
      },
      "bin": {
@@ -169,28 +169,28 @@
      }
    },
    "node_modules/@rspack/binding": {
-      "version": "2.0.8",
-      "resolved": "https://registry.npmjs.org/@rspack/binding/-/binding-2.0.8.tgz",
-      "integrity": "sha512-3uZ+y8aQxq33ty2srMxg2Nu0XuBI6vVrG50rkDaXqwWqOohfgGUSfFuQK7EnSUNy4aFUQlCG6NHialQHJov0wg==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/@rspack/binding/-/binding-2.0.6.tgz",
+      "integrity": "sha512-z5EO9mPlmYNpHAlRGub0Chr6D+Klgy+tX36n7tCm7VRGRlwTmTU9wSENrYbHcCpFbegtrE0s30rDeTBeOu+JiQ==",
      "dev": true,
      "license": "MIT",
      "optionalDependencies": {
-        "@rspack/binding-darwin-arm64": "2.0.8",
-        "@rspack/binding-darwin-x64": "2.0.8",
-        "@rspack/binding-linux-arm64-gnu": "2.0.8",
-        "@rspack/binding-linux-arm64-musl": "2.0.8",
-        "@rspack/binding-linux-x64-gnu": "2.0.8",
-        "@rspack/binding-linux-x64-musl": "2.0.8",
-        "@rspack/binding-wasm32-wasi": "2.0.8",
-        "@rspack/binding-win32-arm64-msvc": "2.0.8",
-        "@rspack/binding-win32-ia32-msvc": "2.0.8",
-        "@rspack/binding-win32-x64-msvc": "2.0.8"
+        "@rspack/binding-darwin-arm64": "2.0.6",
+        "@rspack/binding-darwin-x64": "2.0.6",
+        "@rspack/binding-linux-arm64-gnu": "2.0.6",
+        "@rspack/binding-linux-arm64-musl": "2.0.6",
+        "@rspack/binding-linux-x64-gnu": "2.0.6",
+        "@rspack/binding-linux-x64-musl": "2.0.6",
+        "@rspack/binding-wasm32-wasi": "2.0.6",
+        "@rspack/binding-win32-arm64-msvc": "2.0.6",
+        "@rspack/binding-win32-ia32-msvc": "2.0.6",
+        "@rspack/binding-win32-x64-msvc": "2.0.6"
      }
    },
    "node_modules/@rspack/binding-darwin-arm64": {
-      "version": "2.0.8",
-      "resolved": "https://registry.npmjs.org/@rspack/binding-darwin-arm64/-/binding-darwin-arm64-2.0.8.tgz",
-      "integrity": "sha512-vCgbgH7B7qom+uID+RCZsTCOYFb9wC4/4+1U6rMfytrXGVJ72eNQs2tbdjOl0lb18CT3N/n+VkWynUiLk84GwA==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/@rspack/binding-darwin-arm64/-/binding-darwin-arm64-2.0.6.tgz",
+      "integrity": "sha512-0giCKiWlBfcM4i2scv1j2k9HlSecO9Ybhaa5wsMUyvcFeKr9HbNHh7C2eDFlC6zaI85IUdY71TXF/g/Tcxr9MA==",
      "cpu": [
        "arm64"
      ],
@@ -202,9 +202,9 @@
      ]
    },
    "node_modules/@rspack/binding-darwin-x64": {
-      "version": "2.0.8",
-      "resolved": "https://registry.npmjs.org/@rspack/binding-darwin-x64/-/binding-darwin-x64-2.0.8.tgz",
-      "integrity": "sha512-satPm2PD4B7jDTVlVAdvMVdUszwLvWUEnUDzLb77mvVkezKNDZmuhb+e8s+FfKs8hJpNbZ9VAejuA2rr8o985w==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/@rspack/binding-darwin-x64/-/binding-darwin-x64-2.0.6.tgz",
+      "integrity": "sha512-/mMo2IpI02aOKMlHbVbZue3TJxFqHGX+ibVTdEO+6bzRSuHs7+R9KM5U3XH2YxcWJy5Sid1X1T1pJAjsXcE3rA==",
      "cpu": [
        "x64"
      ],
@@ -216,9 +216,9 @@
      ]
    },
    "node_modules/@rspack/binding-linux-arm64-gnu": {
-      "version": "2.0.8",
-      "resolved": "https://registry.npmjs.org/@rspack/binding-linux-arm64-gnu/-/binding-linux-arm64-gnu-2.0.8.tgz",
-      "integrity": "sha512-pSI+npPQE/uDtiboqvcOIRJbEV2+B+H1xffmko/gw50la92oTUW60kVULFwsb6L0+GVCzIcwX3yq60GtYIn+Ug==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/@rspack/binding-linux-arm64-gnu/-/binding-linux-arm64-gnu-2.0.6.tgz",
+      "integrity": "sha512-H6ACzeM1KBxYDEF8YAim3501Jb1aCsSG79Gjm1M4pwJ5OJPK2ydiJEa438ugXmh0962eKYMHI2yZY0sQq8txaw==",
      "cpu": [
        "arm64"
      ],
@@ -233,9 +233,9 @@
      ]
    },
    "node_modules/@rspack/binding-linux-arm64-musl": {
-      "version": "2.0.8",
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+      "version": "19.2.6",
+      "resolved": "https://registry.npmjs.org/react/-/react-19.2.6.tgz",
+      "integrity": "sha512-sfWGGfavi0xr8Pg0sVsyHMAOziVYKgPLNrS7ig+ivMNb3wbCBw3KxtflsGBAwD3gYQlE/AEZsTLgToRrSCjb0Q==",
      "dev": true,
      "license": "MIT",
      "engines": {
@@ -2810,16 +2763,16 @@
      }
    },
    "node_modules/react-dom": {
-      "version": "19.2.7",
-      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.7.tgz",
-      "integrity": "sha512-t0BRVXvbiE/o20Hfw669rLbMCDWtYZLvmJigy2f0MxsXF+71pxhR3xOkspmsO8h3ZlNzyibAmtCa3l4lYKk6gQ==",
+      "version": "19.2.6",
+      "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.6.tgz",
+      "integrity": "sha512-0prMI+hvBbPjsWnxDLxlCGyM8PN6UuWjEUCYmZhO67xIV9Xasa/r/vDnq+Xyq4Lo27g8QSbO5YzARu0D1Sps3g==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
        "scheduler": "^0.27.0"
      },
      "peerDependencies": {
-        "react": "^19.2.7"
+        "react": "^19.2.6"
      }
    },
    "node_modules/react-lazy-with-preload": {
@@ -2869,9 +2822,9 @@
      }
    },
    "node_modules/react-router": {
-      "version": "7.17.0",
-      "resolved": "https://registry.npmjs.org/react-router/-/react-router-7.17.0.tgz",
-      "integrity": "sha512-FDELK7rTMlCHO5+reyXsPlmfr7N1F91lPHsWYfMEGQm/KQ+F4JFM8jGoeQDmDvdTs93Fw9aSilH+uKRb4/jXvQ==",
+      "version": "7.15.1",
+      "resolved": "https://registry.npmjs.org/react-router/-/react-router-7.15.1.tgz",
+      "integrity": "sha512-R8rl9HhgikFYoPJymnUtPXWbnDb3oget6lQnfIoupbt61aT9aOhRkDsY2XRhZRyX1Z/8a5sL74fXmFNm3NRK5A==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
@@ -2892,13 +2845,13 @@
      }
    },
    "node_modules/react-router-dom": {
-      "version": "7.17.0",
-      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.17.0.tgz",
-      "integrity": "sha512-fyU2yjGups/hE6Xz0I5ZYbVL8Gx29eCjgpHaRaTaVU+OOAdfRX05KsvyRm0GO8YQwOkhpU3MurW1jyMUJn+zSw==",
+      "version": "7.15.1",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.15.1.tgz",
+      "integrity": "sha512-AzF62gjY6U9rkMq4RfP/r2EVtQ7DMfNMjyOp/flLTCrtRylLiK4wT4pSq6O8rOXZ2eXdZYJPEYe+ifomiv+Igg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "react-router": "7.17.0"
+        "react-router": "7.15.1"
      },
      "engines": {
        "node": ">=20.0.0"
@@ -3058,13 +3011,12 @@
      }
    },
    "node_modules/remark-cjk-friendly": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/remark-cjk-friendly/-/remark-cjk-friendly-2.1.0.tgz",
-      "integrity": "sha512-ZWGDfTJNLEZ1gap+pd33K13ZhRAWgVDqxKA7JIlBs5IDu+qvbiWl/pEbeuxzRrWyrrkeFFoTnvNw00iW9mBcow==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/remark-cjk-friendly/-/remark-cjk-friendly-2.0.1.tgz",
+      "integrity": "sha512-6WwkoQyZf/4j5k53zdFYrR8Ca+UVn992jXdLUSBDZR4eBpFhKyVxmA4gUHra/5fesjGIxrDhHesNr/sVoiiysA==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "mdast-util-to-markdown-cjk-friendly": "1.0.0",
        "micromark-extension-cjk-friendly": "2.0.1"
      },
      "engines": {
@@ -3081,13 +3033,12 @@
      }
    },
    "node_modules/remark-cjk-friendly-gfm-strikethrough": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/remark-cjk-friendly-gfm-strikethrough/-/remark-cjk-friendly-gfm-strikethrough-2.1.0.tgz",
-      "integrity": "sha512-3Kyq2hjY7V7eU8MbVbWW6QQLN81pjJcIvKHvPxr8hZZmcq/9wqm3MJ3iUG34Ch9QTM4WHN+a1JVAVC1fSi5mig==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/remark-cjk-friendly-gfm-strikethrough/-/remark-cjk-friendly-gfm-strikethrough-2.0.1.tgz",
+      "integrity": "sha512-pWKj25O2eLXIL1aBupayl1fKhco+Brw8qWUWJPVB9EBzbQNd7nGLj0nLmJpggWsGLR5j5y40PIdjxby9IEYTuA==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "mdast-util-to-markdown-cjk-friendly-gfm-strikethrough": "1.0.0",
        "micromark-extension-cjk-friendly-gfm-strikethrough": "2.0.1"
      },
      "engines": {
@@ -3213,18 +3164,18 @@
      "license": "MIT"
    },
    "node_modules/shiki": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/shiki/-/shiki-4.2.0.tgz",
-      "integrity": "sha512-hjNax6o/ylDy9lefQEaSDtzaT3iVNtZ3WmpQnbuQNoG4xvnSKf2kSKbihZVO4JRG1TTMejs7CmNRYlWgAL66pQ==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/shiki/-/shiki-4.1.0.tgz",
+      "integrity": "sha512-l/ABZPUR5v70jI10EzqfMS/I96vjSGv2y0ihUV+WYFzv0EfvW4s54m0Lg8wCrrL+2IkwBzFTuxkZjPf8b2NX9Q==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@shikijs/core": "4.2.0",
-        "@shikijs/engine-javascript": "4.2.0",
-        "@shikijs/engine-oniguruma": "4.2.0",
-        "@shikijs/langs": "4.2.0",
-        "@shikijs/themes": "4.2.0",
-        "@shikijs/types": "4.2.0",
+        "@shikijs/core": "4.1.0",
+        "@shikijs/engine-javascript": "4.1.0",
+        "@shikijs/engine-oniguruma": "4.1.0",
+        "@shikijs/langs": "4.1.0",
+        "@shikijs/themes": "4.1.0",
+        "@shikijs/types": "4.1.0",
        "@shikijs/vscode-textmate": "^10.0.2",
        "@types/hast": "^3.0.4"
      },
@@ -16,7 +16,7 @@
 };

 #[derive(Debug, Parser)]
-#[command(name = conduwuit_core::name(), version = conduwuit_core::version())]
+#[command(name = conduwuit_core::BRANDING, version = conduwuit_core::version())]
 pub enum AdminCommand {
 	#[command(subcommand)]
 	/// Commands for managing appservices
@@ -6,7 +6,7 @@
 };

 use conduwuit::{
-	Err, Result, at, debug_error, err, info,
+	Err, Result, debug_error, err, info,
 	matrix::{
 		Event,
 		pdu::{PduEvent, PduId, RawPduId},
@@ -504,44 +504,6 @@ pub(super) async fn get_remote_pdu(
 	.await
 }

-#[admin_command]
-pub(super) async fn get_state_at(&self, event_id: OwnedEventId) -> Result {
-	self.bail_restricted()?;
-
-	let shortstatehash = self
-		.services
-		.rooms
-		.state_accessor
-		.pdu_shortstatehash(&event_id)
-		.await?;
-
-	let state_ids: Vec<OwnedEventId> = self
-		.services
-		.rooms
-		.state_accessor
-		.state_full_ids(shortstatehash)
-		.map(at!(1))
-		.collect()
-		.await;
-
-	let pdus: Vec<CanonicalJsonObject> = state_ids
-		.iter()
-		.try_stream()
-		.and_then(|id| self.services.rooms.timeline.get_pdu_json(id))
-		.try_collect()
-		.await?;
-
-	let json = serde_json::to_string_pretty(&pdus).map_err(|e| {
-		err!(Database(
-			"Failed to convert room state events to pretty JSON, possible invalid room state \
-			 events in our database {e}",
-		))
-	})?;
-
-	let out = format!("```json\n{json}\n```");
-	self.write_str(&out).await
-}
-
 #[admin_command]
 pub(super) async fn get_room_state(&self, room: OwnedRoomOrAliasId) -> Result {
 	self.bail_restricted()?;
@@ -95,14 +95,6 @@ pub enum DebugCommand {
 		room_id: OwnedRoomOrAliasId,
 	},

-	/// Gets all the room state events at the specified event.
-	///
-	/// State at event might not be available for some PDUs, such as rejected
-	/// ones.
-	GetStateAt {
-		event_id: OwnedEventId,
-	},
-
 	/// Get and display signing keys from local cache or remote server.
 	GetSigningKeys {
 		server_name: Option<OwnedServerName>,
@@ -30,14 +30,37 @@ pub(super) async fn issue_token(&self, expires: super::TokenExpires) -> Result {
 		.issue_token(self.sender_or_service_user().into(), expires);

 	self.write_str(&format!(
-		"New registration token issued: `{token}`. {}.",
+		"New registration token issued: `{token}` . {}.",
 		if let Some(expires) = info.expires {
 			format!("{expires}")
 		} else {
 			"Never expires".to_owned()
 		}
 	))
-	.await
+	.await?;
+
+	if self
+		.services
+		.config
+		.oauth
+		.compatibility_mode
+		.oauth_available()
+	{
+		self.write_str(&format!(
+			"\nInvite link using this token: {}",
+			self.services
+				.config
+				.get_client_domain()
+				.join(&format!(
+					"{}/account/register/?flow=trusted&token={token}",
+					conduwuit::ROUTE_PREFIX
+				))
+				.unwrap()
+		))
+		.await?;
+	}
+
+	Ok(())
 }

 #[admin_command]
@@ -1,13 +1,10 @@
-use std::{
-	collections::{BTreeMap, HashSet},
-	fmt::Write as _,
-};
+use std::collections::{BTreeMap, HashSet};

 use api::client::{
 	full_user_deactivate, leave_room, recreate_push_rules_and_return, remote_leave_room,
 };
 use conduwuit::{
-	Err, Result, debug_warn, error, info,
+	Err, Result, debug_warn, info,
 	matrix::{Event, pdu::PartialPdu},
 	utils::{self, ReadyExt},
 	warn,
@@ -53,130 +50,22 @@ pub(super) async fn list_users(&self) -> Result {
 #[admin_command]
 pub(super) async fn create_user(&self, username: String, password: Option<String>) -> Result {
 	// Validate user id
-	let user_id = parse_local_user_id(self.services, &username)?;
-
-	if let Err(e) = user_id.validate_strict() {
-		if self.services.config.emergency_password.is_none() {
-			return Err!("Username {user_id} contains disallowed characters or spaces: {e}");
-		}
-	}
-
-	if self.services.users.exists(&user_id).await {
-		return Err!("User {user_id} already exists");
-	}
-
-	let password = password.unwrap_or_else(|| utils::random_string(AUTO_GEN_PASSWORD_LENGTH));
-
-	// Create user
-	self.services
-		.users
-		.create(&user_id, Some(HashedPassword::new(&password)?))
-		.await?;
-
-	// Default to pretty displayname
-	let mut displayname = user_id.localpart().to_owned();
-
-	// If `new_user_displayname_suffix` is set, registration will push whatever
-	// content is set to the user's display name with a space before it
-	if !self
+	let user_id = self
 		.services
-		.server
-		.config
-		.new_user_displayname_suffix
-		.is_empty()
-	{
-		write!(displayname, " {}", self.services.server.config.new_user_displayname_suffix)?;
-	}
+		.users
+		.determine_registration_user_id(Some(username), None, None)
+		.await?;
+
+	let password = HashedPassword::new(
+		&password.unwrap_or_else(|| utils::random_string(AUTO_GEN_PASSWORD_LENGTH)),
+	)?;

 	self.services
 		.users
-		.set_displayname(&user_id, Some(displayname));
+		.create_local_account(&user_id, password, None)
+		.await;

-	// Initial account data
-	self.services
-		.account_data
-		.update(
-			None,
-			&user_id,
-			ruma::events::GlobalAccountDataEventType::PushRules
-				.to_string()
-				.into(),
-			&serde_json::to_value(ruma::events::push_rules::PushRulesEvent::new(
-				ruma::events::push_rules::PushRulesEventContent::new(
-					ruma::push::Ruleset::server_default(&user_id),
-				),
-			))
-			.unwrap(),
-		)
-		.await?;
-
-	if !self.services.server.config.auto_join_rooms.is_empty() {
-		for room in &self.services.server.config.auto_join_rooms {
-			let Ok(room_id) = self.services.rooms.alias.resolve(room).await else {
-				error!(
-					%user_id,
-					"Failed to resolve room alias to room ID when attempting to auto join {room}, skipping"
-				);
-				continue;
-			};
-
-			if !self
-				.services
-				.rooms
-				.state_cache
-				.server_in_room(self.services.globals.server_name(), &room_id)
-				.await
-			{
-				warn!(
-					"Skipping room {room} to automatically join as we have never joined before."
-				);
-				continue;
-			}
-
-			if let Some(room_server_name) = room.server_name() {
-				match self
-					.services
-					.rooms
-					.membership
-					.join_room(
-						&user_id,
-						&room_id,
-						Some("Automatically joining this room upon registration".to_owned()),
-						&[
-							self.services.globals.server_name().to_owned(),
-							room_server_name.to_owned(),
-						],
-					)
-					.await
-				{
-					| Ok(_response) => {
-						info!("Automatically joined room {room} for user {user_id}");
-					},
-					| Err(e) => {
-						// don't return this error so we don't fail registrations
-						error!(
-							"Failed to automatically join room {room} for user {user_id}: {e}"
-						);
-						self.services
-							.admin
-							.send_text(&format!(
-								"Failed to automatically join room {room} for user {user_id}: \
-								 {e}"
-							))
-							.await;
-					},
-				}
-			}
-		}
-	}
-
-	// we dont add a device since we're not the user, just the creator
-
-	// Make the first user to register an administrator and disable first-run mode.
-	self.services.firstrun.empower_first_user(&user_id).await?;
-
-	self.write_str(&format!("Created user with user_id: {user_id} and password: `{password}`"))
-		.await
+	self.write_str(&format!("Created user {user_id}")).await
 }

 #[admin_command]
@@ -233,7 +122,7 @@ pub(super) async fn suspend(&self, user_id: String) -> Result {
 	// TODO: Record the actual user that sent the suspension where possible
 	self.services
 		.users
-		.suspend_account(&user_id, self.sender_or_service_user())
+		.suspend_account(&user_id, self.sender)
 		.await;

 	self.write_str(&format!("User {user_id} has been suspended."))
@@ -302,31 +191,6 @@ pub(super) async fn reset_password(
 	Ok(())
 }

-#[admin_command]
-pub(super) async fn issue_password_reset_link(&self, username: String) -> Result {
-	use conduwuit_service::password_reset::{PASSWORD_RESET_PATH, RESET_TOKEN_QUERY_PARAM};
-
-	self.bail_restricted()?;
-
-	let mut reset_url = self
-		.services
-		.config
-		.get_client_domain()
-		.join(PASSWORD_RESET_PATH)
-		.unwrap();
-
-	let user_id = parse_local_user_id(self.services, &username)?;
-	let token = self.services.password_reset.issue_token(user_id).await?;
-	reset_url
-		.query_pairs_mut()
-		.append_pair(RESET_TOKEN_QUERY_PARAM, &token.token);
-
-	self.write_str(&format!("Password reset link issued for {username}: {reset_url}"))
-		.await?;
-
-	Ok(())
-}
-
 #[admin_command]
 pub(super) async fn deactivate_all(&self, no_leave_rooms: bool, force: bool) -> Result {
 	if self.body.len() < 2
@@ -1075,7 +939,7 @@ pub(super) async fn lock(&self, user_id: String) -> Result {
 	}
 	self.services
 		.users
-		.lock_account(&user_id, self.sender_or_service_user())
+		.lock_account(&user_id, self.sender)
 		.await;

 	self.write_str(&format!("User {user_id} has been locked."))
@@ -29,12 +29,6 @@ pub enum UserCommand {
 		password: Option<String>,
 	},

-	/// Issue a self-service password reset link for a user.
-	IssuePasswordResetLink {
-		/// Username of the user who may use the link
-		username: String,
-	},
-
 	/// Get a user's associated email address.
 	GetEmail {
 		user_id: String,
@@ -62,6 +62,8 @@ zstd_compression = [
 	"reqwest/zstd",
 ]

+admin_api = []
+
 [dependencies]
 async-trait.workspace = true
 axum-client-ip.workspace = true
@@ -1 +0,0 @@
-pub mod rooms;
@@ -1,36 +0,0 @@
-use axum::extract::State;
-use conduwuit::{Err, Result};
-use futures::StreamExt;
-use ruma::OwnedRoomId;
-use ruminuwuity::admin::continuwuity::rooms;
-
-use crate::Ruma;
-
-/// # `GET /_continuwuity/admin/rooms/list`
-///
-/// Lists all rooms known to this server, excluding banned ones.
-pub(crate) async fn list_rooms(
-	State(services): State<crate::State>,
-	body: Ruma<rooms::list::v1::Request>,
-) -> Result<rooms::list::v1::Response> {
-	let sender_user = body.identity.expect_sender_user()?;
-	if !services.users.is_admin(sender_user).await {
-		return Err!(Request(Forbidden("Only server administrators can use this endpoint")));
-	}
-
-	let mut rooms: Vec<OwnedRoomId> = services
-		.rooms
-		.metadata
-		.iter_ids()
-		.filter_map(|room_id| async move {
-			if !services.rooms.metadata.is_banned(&room_id).await {
-				Some(room_id.clone())
-			} else {
-				None
-			}
-		})
-		.collect()
-		.await;
-	rooms.sort();
-	Ok(rooms::list::v1::Response::new(rooms))
-}
@@ -1,2 +0,0 @@
-pub mod ban;
-pub mod list;
@@ -24,7 +24,7 @@
 		power_levels::RoomPowerLevelsEventContent,
 	},
 };
-use service::{mailer::messages, uiaa::Identity, users::HashedPassword};
+use service::{mailer::messages, uiaa::UiaaInitiator, users::HashedPassword};

 use super::{DEVICE_ID_LENGTH, TOKEN_LENGTH};
 use crate::{Ruma, router::ClientIdentity};
@@ -49,39 +49,16 @@ pub(crate) async fn get_register_available_route(
 	ClientIp(client): ClientIp,
 	body: Ruma<get_username_availability::v3::Request>,
 ) -> Result<get_username_availability::v3::Response> {
-	// Validate user id
-	let user_id =
-		match UserId::parse_with_server_name(&body.username, services.globals.server_name()) {
-			| Ok(user_id) => {
-				if let Err(e) = user_id.validate_strict() {
-					return Err!(Request(InvalidUsername(debug_warn!(
-						"Username {} contains disallowed characters or spaces: {e}",
-						body.username
-					))));
-				}
-
-				user_id
-			},
-			| Err(e) => {
-				return Err!(Request(InvalidUsername(debug_warn!(
-					"Username {} is not valid: {e}",
-					body.username
-				))));
-			},
-		};
-
-	// Check if username is creative enough
-	if services.users.exists(&user_id).await {
-		return Err!(Request(UserInUse("User ID is not available.")));
-	}
-
-	if let Some(ClientIdentity::Appservice { appservice_info, .. }) = &body.identity
-		&& !appservice_info.is_user_match(&user_id)
-	{
-		return Err!(Request(Exclusive("Username is not in an appservice namespace.")));
-	} else if services.appservice.is_exclusive_user_id(&user_id).await {
-		return Err!(Request(Exclusive("Username is reserved by an appservice.")));
-	}
+	let _ = services
+		.users
+		.determine_registration_user_id(
+			Some(body.username.clone()),
+			None,
+			body.identity
+				.as_ref()
+				.and_then(ClientIdentity::appservice_info),
+		)
+		.await?;

 	Ok(get_username_availability::v3::Response::new(true))
 }
@@ -109,12 +86,7 @@ pub(crate) async fn change_password_route(
 	ClientIp(client): ClientIp,
 	body: Ruma<change_password::v3::Request>,
 ) -> Result<change_password::v3::Response> {
-	let identity = if let Some(user_id) = body
-		.identity
-		.as_ref()
-		.map(ClientIdentity::expect_sender_user)
-		.transpose()?
-	{
+	let identity = if let Some(identity) = body.identity.as_ref() {
 		// A signed-in user is trying to change their password, prompt them for their
 		// existing one

@@ -124,7 +96,10 @@ pub(crate) async fn change_password_route(
 				&body.auth,
 				vec![AuthFlow::new(vec![AuthType::Password])],
 				Box::default(),
-				Some(Identity::from_user_id(user_id)),
+				Some(UiaaInitiator::new(
+					identity.expect_sender_user()?,
+					identity.sender_device(),
+				)),
 			)
 			.await?
 	} else {
@@ -280,16 +255,24 @@ pub(crate) async fn deactivate_route(
 ) -> Result<deactivate::v3::Response> {
 	// Authentication for this endpoint is technically optional,
 	// but we require the user to be logged in
-	let sender_user = body
+	let identity = body
 		.identity
 		.as_ref()
-		.map(ClientIdentity::expect_sender_user)
-		.ok_or_else(|| err!(Request(MissingToken("Missing access token."))))??;
+		.ok_or_else(|| err!(Request(MissingToken("Missing access token."))))?;
+
+	let sender_user = identity.expect_sender_user()?;
+
+	if !services.config.allow_deactivation {
+		return Err!(Request(Unauthorized(
+			"You may not deactivate your own account. Contact your server's administrator for \
+			 assistance."
+		)));
+	}

 	// Prompt the user to confirm with their password using UIAA
 	let _ = services
 		.uiaa
-		.authenticate_password(&body.auth, Some(Identity::from_user_id(sender_user)))
+		.authenticate_password(&body.auth, sender_user, identity.sender_device(), None)
 		.await?;

 	// Remove profile pictures and display name
@@ -1,17 +1,15 @@
-use std::{collections::HashMap, fmt::Write};
+use std::collections::HashMap;

 use axum::extract::State;
 use axum_client_ip::ClientIp;
 use conduwuit::{
-	Err, Result, debug_info, error, info,
+	Err, Result, debug_info, info,
 	utils::{self},
-	warn,
 };
 use conduwuit_service::Services;
-use futures::{FutureExt, StreamExt};
+use futures::StreamExt;
 use lettre::{Address, message::Mailbox};
 use ruma::{
-	OwnedUserId, UserId,
 	api::client::{
 		account::{
 			register::{self, LoginType, RegistrationKind},
@@ -20,11 +18,6 @@
 		uiaa::{AuthFlow, AuthType},
 	},
 	assign,
-	events::{
-		GlobalAccountDataEventType, push_rules::PushRulesEvent,
-		room::message::RoomMessageEventContent,
-	},
-	push,
 };
 use serde_json::value::RawValue;
 use service::{mailer::messages, users::HashedPassword};
@@ -32,8 +25,6 @@
 use super::{DEVICE_ID_LENGTH, TOKEN_LENGTH};
 use crate::Ruma;

-const RANDOM_USER_ID_LENGTH: usize = 10;
-
 /// # `POST /_matrix/client/v3/register`
 ///
 /// Register an account on this homeserver.
@@ -52,8 +43,6 @@ pub(crate) async fn register_route(
 		return Err!(Request(GuestAccessForbidden("Guests may not register on this server.")));
 	}

-	let emergency_mode_enabled = services.config.emergency_password.is_some();
-
 	// Allow registration if it's enabled in the config file or if this is the first
 	// run (so the first user account can be created)
 	let allow_registration =
@@ -71,99 +60,59 @@ pub(crate) async fn register_route(
 		)));
 	}

-	let identity = if body.identity.is_some() {
-		// Appservices can skip auth
-		None
+	let user_id = if body.body.login_type == Some(LoginType::ApplicationService) {
+		let Some(appservice_info) = &body.identity else {
+			return Err!(Request(Forbidden(
+				"Only appservices can use the appservice login type."
+			)));
+		};
+
+		let user_id = services
+			.users
+			.determine_registration_user_id(body.username.clone(), None, Some(appservice_info))
+			.await?;
+
+		services.users.create(&user_id, None).await?;
+
+		user_id
 	} else {
 		// Perform UIAA to determine the user's identity
 		let (flows, params) = create_registration_uiaa_session(&services).await?;

-		Some(
-			services
-				.uiaa
-				.authenticate(&body.auth, flows, params, None)
-				.await?,
-		)
-	};
-
-	// If the user didn't supply a username but did supply an email, use
-	// the email's user as their initial localpart to avoid falling back to
-	// a randomly generated localpart
-	let supplied_username = body.username.clone().or_else(|| {
-		if let Some(identity) = &identity
-			&& let Some(email) = &identity.email
-		{
-			Some(email.user().to_owned())
-		} else {
-			None
-		}
-	});
-
-	let user_id =
-		determine_registration_user_id(&services, supplied_username, emergency_mode_enabled)
+		let identity = services
+			.uiaa
+			.authenticate(&body.auth, flows, params, None)
 			.await?;

-	if body.body.login_type == Some(LoginType::ApplicationService) {
-		// For appservice logins, make sure that the user ID is in the appservice's
-		// namespace
+		let password = if let Some(password) = &body.password {
+			HashedPassword::new(password)?
+		} else {
+			return Err!(Request(InvalidParam("A password must be provided.")));
+		};

-		match body.identity {
-			| Some(ref info) =>
-				if !info.is_user_match(&user_id) && !emergency_mode_enabled {
-					return Err!(Request(Exclusive(
-						"Username is not in an appservice namespace."
-					)));
-				},
-			| _ => {
-				return Err!(Request(MissingToken("Missing appservice token.")));
-			},
-		}
-	} else if services.appservice.is_exclusive_user_id(&user_id).await && !emergency_mode_enabled
-	{
-		// For non-appservice logins, ban user IDs which are in an appservice's
-		// namespace (unless emergency mode is enabled)
-		return Err!(Request(Exclusive("Username is reserved by an appservice.")));
-	}
+		let user_id = services
+			.users
+			.determine_registration_user_id(body.username.clone(), identity.email.as_ref(), None)
+			.await?;

-	let password = if body.identity.is_some() {
-		None
-	} else if let Some(password) = body.password.as_deref() {
-		Some(HashedPassword::new(password)?)
-	} else {
-		return Err!(Request(InvalidParam("A password must be provided")));
+		services
+			.users
+			.create_local_account(&user_id, password, identity.email)
+			.await;
+		services.users.join_auto_join_rooms(&user_id).await;
+		user_id
 	};

-	// Create user
-	services.users.create(&user_id, password).await?;
-
-	// Set an initial display name
-	let mut displayname = user_id.localpart().to_owned();
-
-	// Apply the new user displayname suffix, if it's set
-	if !services.globals.new_user_displayname_suffix().is_empty() && body.identity.is_none() {
-		write!(displayname, " {}", services.server.config.new_user_displayname_suffix)?;
-	}
-
-	services
-		.users
-		.set_displayname(&user_id, Some(displayname.clone()));
-
-	// Initial account data
-	services
-		.account_data
-		.update(
-			None,
-			&user_id,
-			GlobalAccountDataEventType::PushRules.to_string().into(),
-			&serde_json::to_value(PushRulesEvent::new(
-				push::Ruleset::server_default(&user_id).into(),
-			))
-			.expect("should be able to serialize push rules"),
-		)
-		.await?;
-
-	// Generate new device id if the user didn't specify one
 	let (token, device) = if !body.inhibit_login {
+		// If UIAA is disabled, we can't create a device. In that case only appservices
+		// can reach this point in the first place, so we return an error for them.
+		if !services.config.oauth.compatibility_mode.uiaa_available() {
+			return Err!(Request(AppserviceLoginUnsupported(
+				"User-interactive appservice registration is not available on this server."
+			)));
+		}
+
+		// Generate new device id if the user didn't specify one
 		let device_id = body
 			.device_id
 			.clone()
@@ -179,6 +128,7 @@ pub(crate) async fn register_route(
 				&user_id,
 				&device_id,
 				&new_token,
+				None,
 				body.initial_device_display_name.clone(),
 				Some(client.to_string()),
 			)
@@ -189,118 +139,7 @@ pub(crate) async fn register_route(
 		(None, None)
 	};

-	debug_info!(%user_id, ?device, "User account was created");
-
-	// If the user registered with an email, associate it with their account.
-	if let Some(identity) = identity
-		&& let Some(email) = identity.email
-	{
-		// This may fail if the email is already in use, but we already check for that
-		// in `/requestToken`, so ignoring the error is acceptable here in the rare case
-		// that an email is sniped by another user between the `/requestToken` request
-		// and the `/register` request.
-		let _ = services
-			.threepid
-			.associate_localpart_email(user_id.localpart(), &email)
-			.await;
-	}
-
-	let device_display_name = body.initial_device_display_name.as_deref().unwrap_or("");
-
-	if body.identity.is_none() {
-		if !device_display_name.is_empty() {
-			let notice = format!(
-				"New user \"{user_id}\" registered on this server from IP {client} and device \
-				 display name \"{device_display_name}\""
-			);
-
-			info!("{notice}");
-			if services.server.config.admin_room_notices {
-				services.admin.notice(&notice).await;
-			}
-		} else {
-			let notice = format!("New user \"{user_id}\" registered on this server.");
-
-			info!("{notice}");
-			if services.server.config.admin_room_notices {
-				services.admin.notice(&notice).await;
-			}
-		}
-	}
-
-	// Make the first user to register an administrator and disable first-run mode.
-	let was_first_user = services.firstrun.empower_first_user(&user_id).await?;
-
-	// If the registering user was not the first and we're suspending users on
-	// register, suspend them.
-	if !was_first_user && services.config.suspend_on_register {
-		// Note that we can still do auto joins for suspended users
-		services
-			.users
-			.suspend_account(&user_id, &services.globals.server_user)
-			.await;
-		// And send an @room notice to the admin room, to prompt admins to review the
-		// new user and ideally unsuspend them if deemed appropriate.
-		if services.server.config.admin_room_notices {
-			services
-				.admin
-				.send_loud_message(RoomMessageEventContent::text_plain(format!(
-					"User {user_id} has been suspended as they are not the first user on this \
-					 server. Please review and unsuspend them if appropriate."
-				)))
-				.await
-				.ok();
-		}
-	}
-
-	if body.identity.is_none() && !services.server.config.auto_join_rooms.is_empty() {
-		for room in &services.server.config.auto_join_rooms {
-			let Ok(room_id) = services.rooms.alias.resolve(room).await else {
-				error!(
-					"Failed to resolve room alias to room ID when attempting to auto join \
-					 {room}, skipping"
-				);
-				continue;
-			};
-
-			if !services
-				.rooms
-				.state_cache
-				.server_in_room(services.globals.server_name(), &room_id)
-				.await
-			{
-				warn!(
-					"Skipping room {room} to automatically join as we have never joined before."
-				);
-				continue;
-			}
-
-			if let Some(room_server_name) = room.server_name() {
-				match services
-					.rooms
-					.membership
-					.join_room(
-						&user_id,
-						&room_id,
-						Some("Automatically joining this room upon registration".to_owned()),
-						&[services.globals.server_name().to_owned(), room_server_name.to_owned()],
-					)
-					.boxed()
-					.await
-				{
-					| Err(e) => {
-						// don't return this error so we don't fail registrations
-						error!(
-							"Failed to automatically join room {room} for user {user_id}: {e}"
-						);
-					},
-					| _ => {
-						info!("Automatically joined room {room} for user {user_id}");
-					},
-				}
-			}
-		}
-	}
+	debug_info!(%user_id, ?device, "New account created via legacy registration");

 	Ok(assign!(register::v3::Response::new(user_id), {
 		access_token: token,
@@ -372,21 +211,21 @@ async fn create_registration_uiaa_session(

 		// Require all users to agree to the terms and conditions, if configured
 		let terms = &services.config.registration_terms;
-		if !terms.is_empty() {
-			let mut terms =
-				serde_json::to_value(terms.clone()).expect("failed to serialize terms");
+		if !terms.documents.is_empty() {
+			let mut terms_map = HashMap::new();

-			// Insert a dummy `version` field
-			for (_, documents) in terms.as_object_mut().unwrap() {
-				let documents = documents.as_object_mut().unwrap();
-
-				documents.insert("version".to_owned(), "latest".into());
+			for (id, document) in &terms.documents {
+				terms_map.insert(id.to_owned(), serde_json::json!({
+					terms.language.clone(): serde_json::to_value(document).expect("should be able to serialize document")
+				}));
 			}

+			terms_map.insert("version".to_owned(), "latest".into());
+
 			params.insert(
 				AuthType::Terms.as_str().to_owned(),
 				serde_json::json!({
-					"policies": terms,
+					"policies": terms_map,
 				}),
 			);

@@ -419,81 +258,6 @@ async fn create_registration_uiaa_session(
 	Ok((flows, params))
 }

-async fn determine_registration_user_id(
-	services: &Services,
-	supplied_username: Option<String>,
-	emergency_mode_enabled: bool,
-) -> Result<OwnedUserId> {
-	if let Some(supplied_username) = supplied_username {
-		// The user gets to pick their username. Do some validation to make sure it's
-		// acceptable.
-
-		// Don't allow registration with forbidden usernames.
-		if services
-			.globals
-			.forbidden_usernames()
-			.is_match(&supplied_username)
-			&& !emergency_mode_enabled
-		{
-			return Err!(Request(Forbidden("Username is forbidden")));
-		}
-
-		// Create and validate the user ID
-		let user_id = match UserId::parse_with_server_name(
-			&supplied_username,
-			services.globals.server_name(),
-		) {
-			| Ok(user_id) => {
-				if let Err(e) = user_id.validate_strict() {
-					// Unless we are in emergency mode, we should follow synapse's behaviour on
-					// not allowing things like spaces and UTF-8 characters in usernames
-					if !emergency_mode_enabled {
-						return Err!(Request(InvalidUsername(debug_warn!(
-							"Username {supplied_username} contains disallowed characters or \
-							 spaces: {e}"
-						))));
-					}
-				}
-
-				// Don't allow registration with user IDs that aren't local
-				if !services.globals.user_is_local(&user_id) {
-					return Err!(Request(InvalidUsername(
-						"Username {supplied_username} is not local to this server"
-					)));
-				}
-
-				user_id
-			},
-			| Err(e) => {
-				return Err!(Request(InvalidUsername(debug_warn!(
-					"Username {supplied_username} is not valid: {e}"
-				))));
-			},
-		};
-
-		if services.users.exists(&user_id).await {
-			return Err!(Request(UserInUse("User ID is not available.")));
-		}
-
-		Ok(user_id)
-	} else {
-		// The user didn't specify a username. Generate a username for
-		// them.
-
-		loop {
-			let user_id = UserId::parse_with_server_name(
-				utils::random_string(RANDOM_USER_ID_LENGTH).to_lowercase(),
-				services.globals.server_name(),
-			)
-			.unwrap();
-
-			if !services.users.exists(&user_id).await {
-				break Ok(user_id);
-			}
-		}
-	}
-}
-
 /// # `POST /_matrix/client/v3/register/email/requestToken`
 ///
 /// Requests a validation email for the purpose of registering a new account.
@@ -11,7 +11,7 @@
 	},
 	thirdparty::{Medium, ThirdPartyIdentifierInit},
 };
-use service::{mailer::messages, uiaa::Identity};
+use service::mailer::messages;

 use crate::{Ruma, router::ClientIdentity};

@@ -124,15 +124,18 @@ pub(crate) async fn add_3pid_route(
 		.uiaa
 		.authenticate_password(
 			&body.auth,
-			Some(Identity::from_user_id(body.identity.expect_sender_user()?)),
+			body.identity.expect_sender_user()?,
+			body.identity.sender_device(),
+			None,
 		)
 		.await?;

 	let email = services
 		.threepid
-		.consume_valid_session(&body.sid, &body.client_secret)
+		.get_valid_session(&body.sid, &body.client_secret)
 		.await
-		.map_err(|message| err!(Request(ThreepidAuthFailed("{message}"))))?;
+		.map_err(|message| err!(Request(ThreepidAuthFailed("{message}"))))?
+		.consume();

 	services
 		.threepid
@@ -0,0 +1,71 @@
+use axum::extract::State;
+use conduwuit::Err;
+use ruma::api::client::admin::{is_user_locked, lock_user};
+
+use crate::router::Ruma;
+
+/// # `GET /_matrix/client/v1/admin/lock/{userId}`
+///
+/// Check the account lock status of a target user
+pub(crate) async fn get_locked_status(
+	State(services): State<crate::State>,
+	body: Ruma<is_user_locked::v1::Request>,
+) -> conduwuit::Result<is_user_locked::v1::Response> {
+	if !services.users.is_active_local(&body.user_id).await {
+		return Err!(Request(InvalidParam(
+			"Can only check the lock status of active local users"
+		)));
+	}
+
+	Ok(is_user_locked::v1::Response::new(
+		services.users.is_locked(&body.user_id).await?,
+	))
+}
+
+/// # `PUT /_matrix/client/v1/admin/lock/{userId}`
+///
+/// Set the account lock status of a target user
+pub(crate) async fn put_locked_status(
+	State(services): State<crate::State>,
+	body: Ruma<lock_user::v1::Request>,
+) -> conduwuit::Result<lock_user::v1::Response> {
+	if !services.users.is_active_local(&body.user_id).await {
+		return Err!(Request(InvalidParam(
+			"Can only set the locked status of active local users"
+		)));
+	}
+
+	if body.identity.sender_user() == Some(&body.user_id) {
+		return Err!(Request(Forbidden("You cannot lock yourself")));
+	}
+
+	if services.users.is_admin(&body.user_id).await {
+		return Err!(Request(Forbidden("You cannot lock another server administrator")));
+	}
+
+	if services.users.is_locked(&body.user_id).await? == body.locked {
+		// No change
+		return Ok(lock_user::v1::Response::new(body.locked));
+	}
+
+	let action = if body.locked {
+		services
+			.users
+			.lock_account(&body.user_id, body.identity.sender_user())
+			.await;
+		"suspended"
+	} else {
+		services.users.unlock_account(&body.user_id).await;
+		"unsuspended"
+	};
+
+	if services.config.admin_room_notices {
+		// Notify the admin room that an account has been un/suspended
+		services
+			.admin
+			.send_text(&format!("{} has been {} by {}.", body.user_id, action, body.identity))
+			.await;
+	}
+
+	Ok(lock_user::v1::Response::new(body.locked))
+}
@@ -1,3 +1,5 @@
+mod lock;
+pub(crate) mod site;
 mod suspend;

-pub(crate) use self::suspend::*;
+pub(crate) use self::{lock::*, suspend::*};
@@ -0,0 +1,2 @@
+pub(crate) mod rooms;
+pub(crate) mod users;
@@ -6,7 +6,7 @@

 use crate::{Ruma, client::leave_room};

-/// # `PUT /_continuwuity/admin/rooms/{roomID}/ban`
+/// # `PUT /_continuwuity/admin/v1/rooms/{roomID}/ban`
 ///
 /// Bans or unbans a room.
 pub(crate) async fn ban_room(
@@ -0,0 +1,178 @@
+use axum::extract::State;
+use conduwuit::{
+	Event, Result,
+	utils::stream::{BroadbandExt, WidebandExt},
+};
+use futures::StreamExt;
+use ruma::{
+	OwnedRoomId,
+	events::{
+		StateEventType,
+		room::{
+			create::RoomCreateEventContent,
+			encryption::PossiblyRedactedRoomEncryptionEventContent,
+			tombstone::PossiblyRedactedRoomTombstoneEventContent,
+		},
+	},
+};
+use ruminuwuity::admin::continuwuity::rooms;
+use tokio::join;
+
+use crate::Ruma;
+
+/// # `GET /_continuwuity/admin/rooms`
+///
+/// Lists all room IDs known to this server, excluding banned ones.
+///
+/// This is the legacy version of the endpoint, which does not support
+/// pagination or including banned rooms. It is recommended to use the
+/// `/v1/rooms` endpoint instead. This endpoint may be removed in a future
+/// release.
+pub(crate) async fn legacy_list_rooms_route(
+	State(services): State<crate::State>,
+	body: Ruma<rooms::list::unstable::Request>,
+) -> Result<rooms::list::unstable::Response> {
+	let mut rooms: Vec<OwnedRoomId> = services
+		.rooms
+		.metadata
+		.iter_ids()
+		.filter_map(|room_id| async move {
+			if !services.rooms.metadata.is_banned(&room_id).await {
+				Some(room_id.clone())
+			} else {
+				None
+			}
+		})
+		.collect()
+		.await;
+	rooms.sort();
+	Ok(rooms::list::unstable::Response::new(rooms))
+}
+
+/// # `GET /_continuwuity/admin/v1/rooms`
+///
+/// Lists rooms known to this server.
+pub(crate) async fn list_rooms_route(
+	State(services): State<crate::State>,
+	body: Ruma<rooms::list::v1::Request>,
+) -> Result<rooms::list::v1::Response> {
+	let include_banned_rooms = body.include_banned_rooms;
+	let rooms = services
+		.rooms
+		.metadata
+		.iter_ids()
+		.wide_filter_map(|room_id| async move {
+			if include_banned_rooms || !services.rooms.metadata.is_banned(&room_id).await {
+				Some(room_id.clone())
+			} else {
+				None
+			}
+		})
+		.skip(body.offset.unwrap_or_default())
+		.take(body.limit.unwrap_or(100).min(100))
+		.broad_filter_map(|room_id| async move {
+			let (
+				banned,
+				disabled,
+				member_count,
+				local_member_count,
+				resident_server_count,
+				published,
+				create_event,
+				encryption_event,
+				name_event,
+				topic_event,
+				canonical_alias_event,
+				join_rules_event,
+				history_visibility_event,
+				tombstone_event,
+			) = join!(
+				services.rooms.metadata.is_banned(&room_id),
+				services.rooms.metadata.is_disabled(&room_id),
+				services.rooms.state_cache.room_joined_count(&room_id),
+				services
+					.rooms
+					.state_cache
+					.active_local_users_in_room(&room_id)
+					.count(),
+				services.rooms.state_cache.room_servers(&room_id).count(),
+				services.rooms.directory.is_public_room(&room_id),
+				services.rooms.state_accessor.room_state_get(
+					&room_id,
+					&StateEventType::RoomCreate,
+					""
+				),
+				services
+					.rooms
+					.state_accessor
+					.room_state_get_content::<PossiblyRedactedRoomEncryptionEventContent>(
+						&room_id,
+						&StateEventType::RoomEncryption,
+						""
+					),
+				services.rooms.state_accessor.room_state_get_content(
+					&room_id,
+					&StateEventType::RoomName,
+					""
+				),
+				services.rooms.state_accessor.room_state_get_content(
+					&room_id,
+					&StateEventType::RoomTopic,
+					""
+				),
+				services.rooms.state_accessor.room_state_get_content(
+					&room_id,
+					&StateEventType::RoomCanonicalAlias,
+					""
+				),
+				services.rooms.state_accessor.room_state_get_content(
+					&room_id,
+					&StateEventType::RoomJoinRules,
+					""
+				),
+				services.rooms.state_accessor.room_state_get_content(
+					&room_id,
+					&StateEventType::RoomHistoryVisibility,
+					""
+				),
+				services
+					.rooms
+					.state_accessor
+					.room_state_get_content::<PossiblyRedactedRoomTombstoneEventContent>(
+						&room_id,
+						&StateEventType::RoomTombstone,
+						""
+					),
+			);
+			let Ok(create_event) = create_event else {
+				return None;
+			};
+			let create_content = create_event
+				.get_content::<RoomCreateEventContent>()
+				.expect("m.room.create content must be valid");
+			Some(rooms::list::v1::MinimalRoomInfo {
+				room_id,
+				banned,
+				disabled,
+				member_count: usize::try_from(member_count.unwrap_or_default())
+					.expect("u64 should fit in usize"),
+				local_member_count,
+				resident_server_count,
+				creators: vec![create_event.sender],
+				encrypted: encryption_event.is_ok_and(|c| c.algorithm.is_some()),
+				federated: create_content.federate,
+				published,
+				version: create_content.room_version,
+				name: name_event.unwrap_or(None),
+				topic: topic_event.unwrap_or(None),
+				canonical_alias: canonical_alias_event.unwrap_or(None),
+				join_rules: join_rules_event.unwrap_or(None),
+				history_visibility: history_visibility_event.unwrap_or(None),
+				predecessor: create_content.predecessor.map(|c| c.room_id),
+				successor: tombstone_event.map_or(None, |c| c.replacement_room),
+			})
+		})
+		.collect()
+		.await;
+	Ok(rooms::list::v1::Response::new(rooms))
+}
@@ -0,0 +1,5 @@
+mod ban;
+mod list;
+
+pub(crate) use ban::ban_room;
+pub(crate) use list::*;
@@ -0,0 +1,119 @@
+use axum::extract::State;
+use conduwuit::{
+	Err, err, error, info,
+	utils::{IterStream, stream::BroadbandExt},
+	warn,
+};
+use futures::{FutureExt, StreamExt};
+use ruma::UserId;
+use ruminuwuity::admin::continuwuity::users;
+use service::users::HashedPassword;
+
+use crate::router::Ruma;
+
+/// # `POST /_continuwuity/admin/v1/users/create`
+///
+/// Creates a new user.
+pub(crate) async fn create_user_route(
+	State(services): State<crate::State>,
+	body: Ruma<users::create::v1::Request>,
+) -> conduwuit::Result<users::create::v1::Response> {
+	let email = body
+		.email
+		.clone()
+		.map(lettre::Address::try_from)
+		.transpose()
+		.map_err(|e| err!(Request(BadJson("Invalid email address: {e}"))))?;
+
+	let ref user_id = services
+		.users
+		.determine_registration_user_id(Some(body.localpart.clone()), email.as_ref(), None)
+		.await?;
+
+	services
+		.users
+		.create_local_account(user_id, HashedPassword::new(&body.password)?, email)
+		.await;
+
+	if body.suspended {
+		services
+			.users
+			.suspend_account(&user_id, body.identity.sender_user())
+			.await;
+	}
+	if body.locked {
+		services
+			.users
+			.lock_account(user_id, body.identity.sender_user())
+			.await;
+	}
+	if body.login_disabled {
+		services.users.disable_login(user_id);
+	}
+	if let Some(ref value) = body.display_name {
+		services.users.set_profile_key(
+			user_id,
+			"displayname",
+			Some(serde_json::to_value(value)?),
+		);
+	}
+	if let Some(ref value) = body.avatar_url {
+		services
+			.users
+			.set_profile_key(user_id, "avatar_url", Some(serde_json::to_value(value)?));
+	}
+	if body.admin {
+		services
+			.admin
+			.make_user_admin(user_id)
+			.await
+			.inspect_err(|e| error!("failed to make new user {user_id} an admin: {e}"))
+			.ok();
+	}
+	if !body.skip_auto_join {
+		services.users.join_auto_join_rooms(user_id).await;
+	}
+
+	body.auto_join_rooms
+		.clone()
+		.into_iter()
+		.stream()
+		.broad_filter_map(|room| async move {
+			services
+				.rooms
+				.alias
+				.resolve_with_servers(&room, None)
+				.await
+				.inspect_err(|e| {
+					warn!(
+						"Failed to resolve room alias to room ID when attempting to auto join \
+						 {room}: {e}"
+					);
+				})
+				.ok()
+		})
+		.for_each_concurrent(None, |(room_id, servers)| async move {
+			match services
+				.rooms
+				.membership
+				.join_room(
+					user_id,
+					&room_id,
+					Some("Automatically joining this room upon registration".to_owned()),
+					servers.as_ref(),
+				)
+				.boxed()
+				.await
+			{
+				| Err(e) => {
+					warn!("Failed to automatically join {user_id} to {room_id}: {e}");
+				},
+				| _ => {
+					info!("Automatically joined room {user_id} to {room_id}");
+				},
+			}
+		})
+		.await;
+
+	Ok(users::create::v1::Response::new(user_id.to_owned()))
+}
@@ -0,0 +1,42 @@
+use axum::extract::State;
+use conduwuit::utils::stream::WidebandExt;
+use futures::StreamExt;
+use ruminuwuity::admin::continuwuity::users;
+use tokio::join;
+
+use crate::router::Ruma;
+
+/// # `GET /_continuwuity/admin/v1/users`
+///
+/// Lists all users on this homeserver.
+pub(crate) async fn list_users_route(
+	State(services): State<crate::State>,
+	body: Ruma<users::list::v1::Request>,
+) -> conduwuit::Result<users::list::v1::Response> {
+	let users = services
+		.users
+		.list_local_users()
+		.skip(body.offset.unwrap_or_default())
+		.take(body.limit.unwrap_or(100).min(100))
+		.wide_filter_map(|user_id| async move {
+			let (deactivated, suspended, locked, admin, login_disabled) = join!(
+				services.users.is_deactivated(&user_id),
+				services.users.is_suspended(&user_id),
+				services.users.is_locked(&user_id),
+				services.users.is_admin(&user_id),
+				services.users.is_login_disabled(&user_id),
+			);
+			Some(users::list::v1::User {
+				user_id: user_id.clone(),
+				deactivated: deactivated.unwrap_or_default(),
+				suspended: suspended.unwrap_or_default(),
+				locked: locked.unwrap_or_default(),
+				admin,
+				login_disabled,
+			})
+		})
+		.collect()
+		.await;
+
+	Ok(users::list::v1::Response::new(users))
+}
@@ -0,0 +1,5 @@
+mod create;
+mod list;
+
+pub(crate) use create::*;
+pub(crate) use list::*;
@@ -1,7 +1,7 @@
 use axum::extract::State;
 use conduwuit::{Err, Result};
 use futures::future::{join, join3};
-use ruminuwuity::admin::{get_suspended, set_suspended};
+use ruma::api::client::admin::{is_user_suspended, suspend_user};

 use crate::Ruma;

@@ -10,8 +10,8 @@
 /// Check the suspension status of a target user
 pub(crate) async fn get_suspended_status(
 	State(services): State<crate::State>,
-	body: Ruma<get_suspended::v1::Request>,
-) -> Result<get_suspended::v1::Response> {
+	body: Ruma<is_user_suspended::v1::Request>,
+) -> Result<is_user_suspended::v1::Response> {
 	let (admin, active) = join(
 		services.users.is_admin(body.identity.expect_sender_user()?),
 		services.users.is_active(&body.user_id),
@@ -26,7 +26,7 @@ pub(crate) async fn get_suspended_status(
 	if !active {
 		return Err!(Request(NotFound("Unknown user")));
 	}
-	Ok(get_suspended::v1::Response::new(
+	Ok(is_user_suspended::v1::Response::new(
 		services.users.is_suspended(&body.user_id).await?,
 	))
 }
@@ -36,8 +36,8 @@ pub(crate) async fn get_suspended_status(
 /// Set the suspension status of a target user
 pub(crate) async fn put_suspended_status(
 	State(services): State<crate::State>,
-	body: Ruma<set_suspended::v1::Request>,
-) -> Result<set_suspended::v1::Response> {
+	body: Ruma<suspend_user::v1::Request>,
+) -> Result<suspend_user::v1::Response> {
 	let sender_user = body.identity.expect_sender_user()?;

 	let (sender_admin, active, target_admin) = join3(
@@ -64,13 +64,13 @@ pub(crate) async fn put_suspended_status(
 	}
 	if services.users.is_suspended(&body.user_id).await? == body.suspended {
 		// No change
-		return Ok(set_suspended::v1::Response::new(body.suspended));
+		return Ok(suspend_user::v1::Response::new(body.suspended));
 	}

 	let action = if body.suspended {
 		services
 			.users
-			.suspend_account(&body.user_id, sender_user)
+			.suspend_account(&body.user_id, body.identity.sender_user())
 			.await;
 		"suspended"
 	} else {
@@ -86,5 +86,5 @@ pub(crate) async fn put_suspended_status(
 			.await;
 	}

-	Ok(set_suspended::v1::Response::new(body.suspended))
+	Ok(suspend_user::v1::Response::new(body.suspended))
 }
@@ -8,7 +8,6 @@
 		self, delete_device, delete_devices, get_device, get_devices, update_device,
 	},
 };
-use service::uiaa::Identity;

 use crate::{Ruma, client::DEVICE_ID_LENGTH};

@@ -95,6 +94,7 @@ pub(crate) async fn update_device_route(
 					&device_id,
 					&appservice.registration.as_token,
 					None,
+					None,
 					Some(client.to_string()),
 				)
 				.await?;
@@ -119,14 +119,13 @@ pub(crate) async fn delete_device_route(
 	body: Ruma<delete_device::v3::Request>,
 ) -> Result<delete_device::v3::Response> {
 	let sender_user = body.identity.expect_sender_user()?;
-	let appservice = body.identity.appservice_info();

 	// Appservices get to skip UIAA for this endpoint
-	if appservice.is_none() {
+	if let Some(sender_device) = body.identity.sender_device() {
 		// Prompt the user to confirm with their password using UIAA
 		let _ = services
 			.uiaa
-			.authenticate_password(&body.auth, Some(Identity::from_user_id(sender_user)))
+			.authenticate_password(&body.auth, sender_user, Some(sender_device), None)
 			.await?;
 	}

@@ -155,14 +154,13 @@ pub(crate) async fn delete_devices_route(
 	body: Ruma<delete_devices::v3::Request>,
 ) -> Result<delete_devices::v3::Response> {
 	let sender_user = body.identity.expect_sender_user()?;
-	let appservice = body.identity.appservice_info();

 	// Appservices get to skip UIAA for this endpoint
-	if appservice.is_none() {
+	if let Some(sender_device) = body.identity.sender_device() {
 		// Prompt the user to confirm with their password using UIAA
 		let _ = services
 			.uiaa
-			.authenticate_password(&body.auth, Some(Identity::from_user_id(sender_user)))
+			.authenticate_password(&body.auth, sender_user, Some(sender_device), None)
 			.await?;
 	}

@@ -26,7 +26,7 @@
 	serde::Raw,
 };
 use serde_json::json;
-use service::uiaa::Identity;
+use service::oauth::OAuthTicket;

 use crate::Ruma;

@@ -205,7 +205,12 @@ pub(crate) async fn upload_signing_keys_route(
 	{
 		let _ = services
 			.uiaa
-			.authenticate_password(&body.auth, Some(Identity::from_user_id(sender_user)))
+			.authenticate_password(
+				&body.auth,
+				sender_user,
+				body.identity.sender_device(),
+				Some(OAuthTicket::CrossSigningReset),
+			)
 			.await?;
 	}

@@ -16,6 +16,7 @@
 pub(super) mod membership;
 pub(super) mod message;
 pub(super) mod mutual_rooms;
+pub(super) mod oauth;
 pub(super) mod openid;
 pub(super) mod presence;
 pub(super) mod profile;
@@ -61,6 +62,7 @@
 pub use membership::{leave_all_rooms, leave_room, remote_leave_room};
 pub(super) use message::*;
 pub(super) use mutual_rooms::*;
+pub(super) use oauth::*;
 pub(super) use openid::*;
 pub(super) use presence::*;
 pub(super) use profile::*;
@@ -73,6 +75,7 @@
 pub(super) use room::*;
 pub(super) use search::*;
 pub(super) use send::*;
+pub use session::handle_login;
 pub(super) use session::*;
 pub(super) use space::*;
 pub(super) use state::*;
@@ -0,0 +1,56 @@
+use axum::{
+	Json, Router,
+	extract::{Request, State},
+	middleware::{self, Next},
+	response::{IntoResponse, Response},
+	routing::method_routing::{get, post},
+};
+use const_str::concat;
+use http::StatusCode;
+use serde_json::json;
+pub(crate) use server_metadata::*;
+
+mod register_client;
+mod server_metadata;
+mod token;
+
+const BASE_PATH: &str = concat!(conduwuit_core::ROUTE_PREFIX, "/oauth2/");
+const AUTH_CODE_PATH: &str = "grant/authorization_code";
+const JWKS_URI_PATH: &str = "client/keys.json";
+const CLIENT_REGISTER_PATH: &str = "client/register";
+const TOKEN_REVOKE_PATH: &str = "client/revoke";
+const TOKEN_PATH: &str = "grant/token";
+const ACCOUNT_MANAGEMENT_PATH: &str = concat!(conduwuit_core::ROUTE_PREFIX, "/account/deeplink");
+
+pub(crate) fn router(state: crate::State) -> Router<crate::State> {
+	Router::new()
+		.nest(BASE_PATH, oauth_router())
+		.route(
+			"/.well-known/openid-configuration",
+			get(
+				// TODO(unspecced): used by old versions of the matrix-js-sdk
+				async |State(services): State<crate::State>| {
+					Json(authorization_server_metadata(&services).await)
+				},
+			),
+		)
+		.layer(middleware::from_fn_with_state(
+			state,
+			async |State(state): State<crate::State>, request: Request, next: Next| -> Response {
+				if state.config.oauth.compatibility_mode.oauth_available() {
+					next.run(request).await
+				} else {
+					(StatusCode::NOT_FOUND, "OAuth is unavailable on this server").into_response()
+				}
+			},
+		))
+}
+
+fn oauth_router() -> Router<crate::State> {
+	Router::new()
+		.route(concat!("/", CLIENT_REGISTER_PATH), post(register_client::register_client_route))
+		// TODO(unspecced): used by old versions of the matrix-js-sdk
+		.route(concat!("/", JWKS_URI_PATH), get(async || Json(json!({"keys": []}))))
+		.route(concat!("/", TOKEN_PATH), post(token::token_route))
+		.route(concat!("/", TOKEN_REVOKE_PATH), post(token::revoke_token_route))
+}
@@ -0,0 +1,28 @@
+use axum::{
+	Json,
+	extract::State,
+	response::{IntoResponse, Response},
+};
+use http::StatusCode;
+use serde::Serialize;
+use service::oauth::client_metadata::ClientMetadata;
+
+#[derive(Serialize)]
+struct RegisteredClient {
+	client_id: String,
+	#[serde(flatten)]
+	metadata: ClientMetadata,
+}
+
+pub(crate) async fn register_client_route(
+	State(services): State<crate::State>,
+	Json(metadata): Json<ClientMetadata>,
+) -> Result<Response, Response> {
+	let client_id = services
+		.oauth
+		.register_client(&metadata)
+		.await
+		.map_err(|err| (StatusCode::BAD_REQUEST, Json(err)).into_response())?;
+
+	Ok(Json(RegisteredClient { client_id, metadata }).into_response())
+}
@@ -0,0 +1,62 @@
+use axum::extract::State;
+use conduwuit::{Err, Result};
+use ruma::{
+	api::client::discovery::get_authorization_server_metadata::{
+		self, v1::AccountManagementAction,
+	},
+	serde::Raw,
+};
+use serde_json::{Value, json};
+use service::Services;
+
+use crate::{
+	Ruma,
+	client::oauth::{
+		ACCOUNT_MANAGEMENT_PATH, AUTH_CODE_PATH, CLIENT_REGISTER_PATH, JWKS_URI_PATH, TOKEN_PATH,
+		TOKEN_REVOKE_PATH,
+	},
+};
+
+pub(crate) async fn get_authorization_server_metadata_route(
+	State(services): State<crate::State>,
+	_body: Ruma<get_authorization_server_metadata::v1::Request>,
+) -> Result<get_authorization_server_metadata::v1::Response> {
+	if !services.config.oauth.compatibility_mode.oauth_available() {
+		return Err!(Request(Unrecognized("OAuth is unavailable on this server")));
+	}
+
+	let metadata = Raw::new(&authorization_server_metadata(&services).await).unwrap();
+
+	Ok(get_authorization_server_metadata::v1::Response::new(metadata.cast_unchecked()))
+}
+
+pub(crate) async fn authorization_server_metadata(services: &Services) -> Value {
+	let endpoint_base = services
+		.config
+		.get_client_domain()
+		.join(super::BASE_PATH)
+		.unwrap();
+
+	json!({
+		"account_management_uri": endpoint_base.join(ACCOUNT_MANAGEMENT_PATH).unwrap(),
+		"account_management_actions_supported": [
+			AccountManagementAction::AccountDeactivate,
+			AccountManagementAction::CrossSigningReset,
+			AccountManagementAction::DeviceDelete,
+			AccountManagementAction::DeviceView,
+			AccountManagementAction::DevicesList,
+			AccountManagementAction::Profile,
+		],
+		"authorization_endpoint": endpoint_base.join(AUTH_CODE_PATH).unwrap(),
+		"code_challenge_methods_supported": ["S256"],
+		"grant_types_supported": ["authorization_code", "refresh_token"],
+		"issuer": services.config.get_client_domain(),
+		"jwks_uri": endpoint_base.join(JWKS_URI_PATH).unwrap(),
+		"prompt_values_supported": ["create"],
+		"registration_endpoint": endpoint_base.join(CLIENT_REGISTER_PATH).unwrap(),
+		"response_modes_supported": ["query", "fragment"],
+		"response_types_supported": ["code"],
+		"revocation_endpoint": endpoint_base.join(TOKEN_REVOKE_PATH).unwrap(),
+		"token_endpoint": endpoint_base.join(TOKEN_PATH).unwrap(),
+	})
+}
@@ -0,0 +1,23 @@
+use axum::{Form, Json, extract::State, response::IntoResponse};
+use http::StatusCode;
+use service::oauth::grant::{RevokeTokenRequest, TokenRequest};
+
+pub(crate) async fn token_route(
+	State(services): State<crate::State>,
+	Form(request): Form<TokenRequest>,
+) -> impl IntoResponse {
+	match services.oauth.issue_token(request).await {
+		| Ok(response) => Ok(Json(response)),
+		| Err(err) => Err((StatusCode::BAD_REQUEST, Json(err))),
+	}
+}
+
+pub(crate) async fn revoke_token_route(
+	State(services): State<crate::State>,
+	Form(request): Form<RevokeTokenRequest>,
+) -> impl IntoResponse {
+	match services.oauth.revoke_token(request.token).await {
+		| Ok(()) => Ok(StatusCode::OK),
+		| Err(err) => Err((StatusCode::BAD_REQUEST, Json(err))),
+	}
+}
@@ -31,6 +31,12 @@ pub(crate) async fn get_profile_route(
 	State(services): State<crate::State>,
 	body: Ruma<get_profile::v3::Request>,
 ) -> Result<get_profile::v3::Response> {
+	if services.config.require_auth_for_profile_requests && body.identity.is_none() {
+		return Err!(Request(Unauthorized(
+			"This server requires authentication to view user profiles."
+		)));
+	}
+
 	let Some(profile) = fetch_full_profile(&services, &body.user_id).await else {
 		return Err!(Request(NotFound("This user's profile could not be fetched.")));
 	};
@@ -42,6 +48,12 @@ pub(crate) async fn get_profile_field_route(
 	State(services): State<crate::State>,
 	body: Ruma<get_profile_field::v3::Request>,
 ) -> Result<get_profile_field::v3::Response> {
+	if services.config.require_auth_for_profile_requests && body.identity.is_none() {
+		return Err!(Request(Unauthorized(
+			"This server requires authentication to view user profiles."
+		)));
+	}
+
 	let value = fetch_profile_field(&services, &body.user_id, body.field.clone()).await?;

 	Ok(assign!(get_profile_field::v3::Response::default(), { value }))
@@ -21,7 +21,7 @@
 			},
 			login::{
 				self,
-				v3::{DiscoveryInfo, HomeserverInfo},
+				v3::{DiscoveryInfo, HomeserverInfo, LoginInfo},
 			},
 			logout, logout_all,
 		},
@@ -29,7 +29,6 @@
 	},
 	assign,
 };
-use service::uiaa::Identity;

 use super::{DEVICE_ID_LENGTH, TOKEN_LENGTH};
 use crate::Ruma;
@@ -44,6 +43,12 @@ pub(crate) async fn get_login_types_route(
 	ClientIp(client): ClientIp,
 	_body: Ruma<get_login_types::v3::Request>,
 ) -> Result<get_login_types::v3::Response> {
+	if !services.config.oauth.compatibility_mode.uiaa_available() {
+		return Err!(Request(Unrecognized(
+			"User-interactive authentication is not available on this server."
+		)));
+	}
+
 	Ok(get_login_types::v3::Response::new(vec![
 		get_login_types::v3::LoginType::Password(PasswordLoginType::default()),
 		get_login_types::v3::LoginType::ApplicationService(ApplicationServiceLoginType::default()),
@@ -53,7 +58,7 @@ pub(crate) async fn get_login_types_route(
 	]))
 }

-pub(crate) async fn handle_login(
+pub async fn handle_login(
 	services: &Services,
 	identifier: Option<&UserIdentifier>,
 	password: &str,
@@ -87,14 +92,6 @@ pub(crate) async fn handle_login(
 		return Err!(Request(InvalidParam("User ID does not belong to this homeserver")));
 	}

-	if services.users.is_deactivated(&user_id).await? {
-		return Err!(Request(UserDeactivated("This account has been deactivated.")));
-	}
-
-	if services.users.is_locked(&user_id).await? {
-		return Err!(Request(UserLocked("This account has been locked.")));
-	}
-
 	if services.users.is_login_disabled(&user_id).await {
 		warn!(%user_id, "user attempted to log in with a login-disabled account");
 		return Err!(Request(Forbidden("This account is not permitted to log in.")));
@@ -123,19 +120,29 @@ pub(crate) async fn login_route(
 	ClientIp(client): ClientIp,
 	body: Ruma<login::v3::Request>,
 ) -> Result<login::v3::Response> {
+	if !services.config.oauth.compatibility_mode.uiaa_available() {
+		return match body.login_info {
+			| LoginInfo::ApplicationService(_) => {
+				Err!(Request(AppserviceLoginUnsupported(
+					"User-interactive appservice login is not available on this server."
+				)))
+			},
+			| _ => {
+				Err!(Request(Unrecognized(
+					"User-interactive authentication is not available on this server."
+				)))
+			},
+		};
+	}
+
 	let emergency_mode_enabled = services.config.emergency_password.is_some();

 	// Validate login method
-	// TODO: Other login methods
 	let user_id = match &body.login_info {
 		#[allow(deprecated)]
-		| login::v3::LoginInfo::Password(login::v3::Password {
-			identifier,
-			password,
-			user,
-			..
-		}) => handle_login(&services, identifier.as_ref(), password, user.as_ref()).await?,
-		| login::v3::LoginInfo::Token(login::v3::Token { token, .. }) => {
+		| LoginInfo::Password(login::v3::Password { identifier, password, user, .. }) =>
+			handle_login(&services, identifier.as_ref(), password, user.as_ref()).await?,
+		| LoginInfo::Token(login::v3::Token { token, .. }) => {
 			debug!("Got token login type");
 			if !services.server.config.login_via_existing_session {
 				return Err!(Request(Unknown("Token login is not enabled.")));
@@ -143,7 +150,7 @@ pub(crate) async fn login_route(
 			services.users.find_from_login_token(token).await?
 		},
 		#[allow(deprecated)]
-		| login::v3::LoginInfo::ApplicationService(login::v3::ApplicationService {
+		| LoginInfo::ApplicationService(login::v3::ApplicationService {
 			identifier,
 			user,
 			..
@@ -177,7 +184,6 @@ pub(crate) async fn login_route(
 			user_id
 		},
 		| _ => {
-			debug!("/login json_body: {:?}", &body.json_body);
 			return Err!(Request(Unknown(
 				debug_warn!(?body.login_info, "Invalid or unsupported login type")
 			)));
@@ -207,7 +213,7 @@ pub(crate) async fn login_route(
 	if device_exists {
 		services
 			.users
-			.set_token(&user_id, &device_id, &token)
+			.set_token(&user_id, &device_id, &token, None)
 			.await?;
 	} else {
 		services
@@ -216,6 +222,7 @@ pub(crate) async fn login_route(
 				&user_id,
 				&device_id,
 				&token,
+				None,
 				body.initial_device_display_name.clone(),
 				Some(client.to_string()),
 			)
@@ -254,7 +261,7 @@ pub(crate) async fn login_token_route(
 	ClientIp(client): ClientIp,
 	body: Ruma<get_login_token::v1::Request>,
 ) -> Result<get_login_token::v1::Response> {
-	if !services.server.config.login_via_existing_session {
+	if !services.config.login_via_existing_session {
 		return Err!(Request(Forbidden("Login via an existing session is not enabled")));
 	}

@@ -263,7 +270,7 @@ pub(crate) async fn login_token_route(
 	// Prompt the user to confirm with their password using UIAA
 	let _ = services
 		.uiaa
-		.authenticate_password(&body.auth, Some(Identity::from_user_id(sender_user)))
+		.authenticate_password(&body.auth, sender_user, body.identity.sender_device(), None)
 		.await?;

 	let login_token = utils::random_string(TOKEN_LENGTH);
@@ -48,13 +48,6 @@ async fn load_timeline(
 	ending_count: Option<PduCount>,
 	limit: usize,
 ) -> Result<TimelinePdus> {
-	if let (Some(starting_count), Some(ending_count)) = (starting_count, ending_count) {
-		debug_assert!(
-			starting_count <= ending_count,
-			"starting count {starting_count} > ending count {ending_count}"
-		);
-	}
-
 	let mut pdu_stream = match starting_count {
 		| Some(starting_count) => {
 			let last_timeline_count = services
@@ -38,7 +38,6 @@
 	uint,
 };
 use service::{account_data::AnyRawAccountDataEvent, rooms::short::ShortStateHash};
-use tokio::pin;

 use super::{load_timeline, share_encrypted_room};
 use crate::client::{
@@ -97,19 +96,12 @@ pub(super) async fn load_joined_room(
 		);
 	}

-	let state_events =
-		StateEvents::with_events(state_events.into_iter().map(Event::into_format).collect());
-
 	let joined_room = assign!(JoinedRoom::new(), {
 		account_data,
 		summary: summary.unwrap_or_default(),
 		unread_notifications: notification_counts.unwrap_or_default(),
 		timeline,
-		state: if sync_context.use_state_after {
-			RoomState::After(state_events)
-		} else {
-			RoomState::Before(state_events)
-		},
+		state: RoomState::Before(StateEvents::with_events(state_events.into_iter().map(Event::into_format).collect())),
 		ephemeral,
 		unread_thread_notifications: BTreeMap::new(),
 	});
@@ -352,7 +344,7 @@ struct ShortStateHashes {
 #[tracing::instrument(level = "debug", skip_all)]
 async fn fetch_shortstatehashes(
 	services: &Services,
-	SyncContext { last_sync_end_count, .. }: SyncContext<'_>,
+	SyncContext { last_sync_end_count, current_count, .. }: SyncContext<'_>,
 	room_id: &RoomId,
 ) -> Result<ShortStateHashes> {
 	// the room state currently.
@@ -362,45 +354,46 @@ async fn fetch_shortstatehashes(
 		.rooms
 		.state
 		.get_room_shortstatehash(room_id)
-		.map_err(|_| err!(Database(error!("Room {room_id} has no state"))))
-		.await?;
+		.map_err(|_| err!(Database(error!("Room {room_id} has no state"))));

-	// The room state as of the end of the last sync.
-	// This will be None if we are doing an initial sync.
+	// the room state as of the end of the last sync.
+	// this will be None if we are doing an initial sync or if we just joined this
+	// room.
 	let last_sync_end_shortstatehash =
-		OptionFuture::from(last_sync_end_count.map(async |last_sync_end_count| {
-			pin! {
-				let pdus = services
-					.rooms
-					.timeline
-					.pdus(room_id, Some(PduCount::Normal(last_sync_end_count)))
-					.ignore_err();
-			}
-
-			match pdus.next().await {
-				| Some((_, pdu_after_last_sync_end)) => {
-					trace!(?pdu_after_last_sync_end.event_id, "pdu at last sync end");
-
-					Some(
-						services
-							.rooms
-							.state_accessor
-							.pdu_shortstatehash(&pdu_after_last_sync_end.event_id)
-							.await
-							.map_err(|err| {
-								err!("Last sync end PDU has no shortstatehash: {err}")
-							}),
-					)
-				},
-				| None => {
-					// No events have been sent since the last sync, or we just joined this room
-					None
-				},
-			}
+		OptionFuture::from(last_sync_end_count.map(|last_sync_end_count| {
+			// look up the shortstatehash saved by the last sync's call to
+			// `associate_token_shortstatehash`
+			services
+				.rooms
+				.user
+				.get_token_shortstatehash(room_id, last_sync_end_count)
+				.inspect_err(move |_| {
+					debug_warn!(
+						token = last_sync_end_count,
+						"Room has no shortstatehash for this token"
+					);
+				})
+				.ok()
 		}))
-		.await
-		.flatten()
-		.transpose()?;
+		.map(Option::flatten)
+		.map(Ok);
+
+	let (current_shortstatehash, last_sync_end_shortstatehash) =
+		try_join(current_shortstatehash, last_sync_end_shortstatehash).await?;
+
+	/*
+	associate the `current_count` with the `current_shortstatehash`, so we can
+	use it on the next sync as the `last_sync_end_shortstatehash`.
+
+	TODO: the table written to by this call grows extremely fast, gaining one new entry for each
+	joined room on _every single sync request_. we need to find a better way to remember the shortstatehash
+	between syncs.
+	*/
+	services
+		.rooms
+		.user
+		.associate_token_shortstatehash(room_id, current_count, current_shortstatehash)
+		.await;

 	Ok(ShortStateHashes {
 		current_shortstatehash,
@@ -459,7 +452,6 @@ async fn build_state_events(
 		syncing_user,
 		last_sync_end_count,
 		full_state,
-		use_state_after,
 		..
 	} = sync_context;

@@ -468,15 +460,32 @@ async fn build_state_events(
 		last_sync_end_shortstatehash,
 	} = shortstatehashes;

-	if timeline.pdus.is_empty() {
-		// If the timeline is empty there can't possibly be any changes to the state
-		return Ok(vec![]);
-	}
+	// the spec states that the `state` property only includes state events up to
+	// the beginning of the timeline, so we determine the state of the syncing room
+	// as of the first timeline event. NOTE: this explanation is not entirely
+	// accurate; see the implementation of `build_state_incremental`.
+	let timeline_start_shortstatehash = async {
+		if let Some((_, pdu)) = timeline.pdus.front() {
+			if let Ok(shortstatehash) = services
+				.rooms
+				.state_accessor
+				.pdu_shortstatehash(&pdu.event_id)
+				.await
+			{
+				return shortstatehash;
+			}
+		}
+
+		current_shortstatehash
+	};

 	// the user IDs of members whose membership needs to be sent to the client, if
 	// lazy-loading is enabled.
 	let lazily_loaded_members =
-		prepare_lazily_loaded_members(services, sync_context, room_id, timeline.senders()).await;
+		prepare_lazily_loaded_members(services, sync_context, room_id, timeline.senders());
+
+	let (timeline_start_shortstatehash, lazily_loaded_members) =
+		join(timeline_start_shortstatehash, lazily_loaded_members).await;

 	// compute the state delta between the previous sync and this sync.
 	match (last_sync_end_count, last_sync_end_shortstatehash) {
@@ -485,14 +494,16 @@ async fn build_state_events(
 		is Some (meaning the syncing user didn't just join this room for the first time ever), and `full_state` is false,
 		then use `build_state_incremental`.
 		*/
-		| (Some(_), Some(last_sync_end_shortstatehash)) if !full_state =>
+		| (Some(last_sync_end_count), Some(last_sync_end_shortstatehash)) if !full_state =>
 			build_state_incremental(
 				services,
 				syncing_user,
+				room_id,
+				PduCount::Normal(last_sync_end_count),
 				last_sync_end_shortstatehash,
+				timeline_start_shortstatehash,
 				current_shortstatehash,
 				timeline,
-				use_state_after,
 				lazily_loaded_members.as_ref(),
 			)
 			.boxed()
@@ -506,9 +517,7 @@ async fn build_state_events(
 			build_state_initial(
 				services,
 				syncing_user,
-				current_shortstatehash,
-				timeline,
-				use_state_after,
+				timeline_start_shortstatehash,
 				lazily_loaded_members.as_ref(),
 			)
 			.boxed()
@@ -589,25 +598,23 @@ async fn check_joined_since_last_sync(
 	ShortStateHashes { last_sync_end_shortstatehash, .. }: ShortStateHashes,
 	SyncContext { syncing_user, .. }: SyncContext<'_>,
 ) -> Result<bool> {
-	let Some(last_sync_end_shortstatehash) = last_sync_end_shortstatehash else {
-		// For initial syncs always return false, since there's no "last sync" for the
-		// user to have joined since.
-		return Ok(false);
+	// fetch the syncing user's membership event during the last sync.
+	// this will be None if `previous_sync_end_shortstatehash` is None.
+	let membership_during_previous_sync = match last_sync_end_shortstatehash {
+		| Some(last_sync_end_shortstatehash) => services
+			.rooms
+			.state_accessor
+			.state_get_content(
+				last_sync_end_shortstatehash,
+				&StateEventType::RoomMember,
+				syncing_user.as_str(),
+			)
+			.await
+			.inspect_err(|_| debug_warn!("User has no previous membership"))
+			.ok(),
+		| None => None,
 	};

-	// Fetch the syncing user's membership event during the last sync.
-	let membership_during_previous_sync = services
-		.rooms
-		.state_accessor
-		.state_get_content(
-			last_sync_end_shortstatehash,
-			&StateEventType::RoomMember,
-			syncing_user.as_str(),
-		)
-		.await
-		.inspect_err(|_| debug_warn!("User has no previous membership"))
-		.ok();
-
 	// TODO: If the requesting user got state-reset out of the room, this
 	// will be `true` when it shouldn't be. this function should never be called
 	// in that situation, but it may be if the membership cache didn't get updated.
@@ -4,7 +4,7 @@
 	trace,
 	utils::{self, IterStream, future::ReadyEqExt, stream::WidebandExt as _},
 };
-use futures::StreamExt;
+use futures::{StreamExt, future::join};
 use ruma::{
 	EventId, OwnedRoomId, RoomId,
 	api::client::sync::sync_events::v3::{
@@ -181,9 +181,6 @@ pub(super) async fn load_left_room(
 		.collect::<Vec<_>>()
 		.await;

-	let state_events =
-		StateEvents::with_events(state_events.into_iter().map(Event::into_format).collect());
-
 	Ok(Some(assign!(LeftRoom::new(), {
 		account_data: RoomAccountData::new(),
 		timeline: assign!(Timeline::new(), {
@@ -191,11 +188,7 @@ pub(super) async fn load_left_room(
 			prev_batch: Some(current_count.to_string()),
 			events: raw_timeline_pdus,
 		}),
-		state: if sync_context.use_state_after {
-			State::After(state_events)
-		} else {
-			State::Before(state_events)
-		},
+		state: State::Before(StateEvents::with_events(state_events.into_iter().map(Event::into_format).collect())),
 	})))
 }

@@ -240,8 +233,29 @@ async fn build_left_state_and_timeline(
 	)
 	.await?;

+	let timeline_start_shortstatehash = async {
+		if let Some((_, pdu)) = timeline.pdus.front() {
+			if let Ok(shortstatehash) = services
+				.rooms
+				.state_accessor
+				.pdu_shortstatehash(&pdu.event_id)
+				.await
+			{
+				return shortstatehash;
+			}
+		}
+
+		// the timeline generally should not be empty (see the TODO further down),
+		// but in case it is we use `leave_shortstatehash` as the state to
+		// send
+		leave_shortstatehash
+	};
+
 	let lazily_loaded_members =
-		prepare_lazily_loaded_members(services, sync_context, room_id, timeline.senders()).await;
+		prepare_lazily_loaded_members(services, sync_context, room_id, timeline.senders());
+
+	let (timeline_start_shortstatehash, lazily_loaded_members) =
+		join(timeline_start_shortstatehash, lazily_loaded_members).await;

 	// TODO: calculate incremental state for incremental syncs.
 	// always calculating initial state _works_ but returns more data and does
@@ -249,9 +263,7 @@ async fn build_left_state_and_timeline(
 	let mut state = build_state_initial(
 		services,
 		syncing_user,
-		leave_shortstatehash,
-		&timeline,
-		sync_context.use_state_after,
+		timeline_start_shortstatehash,
 		lazily_loaded_members.as_ref(),
 	)
 	.await?;
@@ -11,11 +11,12 @@
 use axum::extract::State;
 use axum_client_ip::ClientIp;
 use conduwuit::{
-	Err, Result, at, error, extract_variant,
+	Err, Result, at, extract_variant,
 	utils::{
 		ReadyExt, TryFutureExtExt,
 		stream::{BroadbandExt, Tools, WidebandExt},
 	},
+	warn,
 };
 use conduwuit_service::Services;
 use futures::{FutureExt, StreamExt, TryFutureExt, future::OptionFuture};
@@ -110,9 +111,6 @@ struct SyncContext<'a> {
 	/// The sync filter, which the client uses to specify what data should be
 	/// included in the sync response.
 	filter: &'a FilterDefinition,
-	/// Whether the state at the end of the timeline should be used when
-	/// calculating state diffs for sync.
-	use_state_after: bool,
 }

 impl<'a> SyncContext<'a> {
@@ -266,7 +264,6 @@ pub(crate) async fn build_sync_events(
 		current_count,
 		full_state,
 		filter: &filter,
-		use_state_after: body.use_state_after,
 	};

 	let joined_rooms = services
@@ -279,7 +276,7 @@ pub(crate) async fn build_sync_events(
 			match joined_room {
 				| Ok((room, updates)) => Some((room_id, room, updates)),
 				| Err(err) => {
-					error!(?err, %room_id, "error loading joined room");
+					warn!(?err, %room_id, "error loading joined room");
 					None
 				},
 			}
@@ -308,7 +305,7 @@ pub(crate) async fn build_sync_events(
 				| Ok(Some(left_room)) => Some((room_id, left_room)),
 				| Ok(None) => None,
 				| Err(err) => {
-					error!(?err, %room_id, "error loading joined room");
+					warn!(?err, %room_id, "error loading joined room");
 					None
 				},
 			}
@@ -1,8 +1,11 @@
-use std::collections::HashSet;
+use std::{collections::BTreeSet, ops::ControlFlow};

 use conduwuit::{
-	Result, at,
-	matrix::{Event, pdu::PduEvent},
+	Result, at, is_equal_to,
+	matrix::{
+		Event,
+		pdu::{PduCount, PduEvent},
+	},
 	utils::{
 		BoolExt, IterStream, ReadyExt, TryFutureExtExt,
 		stream::{BroadbandExt, TryIgnore},
@@ -13,7 +16,9 @@
 	rooms::{lazy_loading::MemberSet, short::ShortStateHash},
 };
 use futures::{FutureExt, StreamExt};
-use ruma::{OwnedEventId, UserId, events::StateEventType};
+use itertools::Itertools;
+use ruma::{OwnedEventId, RoomId, UserId, events::StateEventType};
+use service::rooms::short::ShortEventId;
 use tracing::trace;

 use crate::client::TimelinePdus;
@@ -33,22 +38,14 @@
 pub(super) async fn build_state_initial(
 	services: &Services,
 	sender_user: &UserId,
-	timeline_end_shortstatehash: ShortStateHash,
-	timeline: &TimelinePdus,
-	use_state_after: bool,
+	timeline_start_shortstatehash: ShortStateHash,
 	lazily_loaded_members: Option<&MemberSet>,
 ) -> Result<Vec<PduEvent>> {
-	let event_ids_in_timeline: HashSet<_> =
-		timeline.pdus.iter().map(|pdu| &pdu.1.event_id).collect();
-
 	// load the keys and event IDs of the state events at the start of the timeline
 	let (shortstatekeys, event_ids): (Vec<_>, Vec<_>) = services
 		.rooms
 		.state_accessor
-		.state_full_ids(timeline_end_shortstatehash)
-		.ready_filter(|(_, event_id)| {
-			use_state_after || !event_ids_in_timeline.contains(event_id)
-		})
+		.state_full_ids(timeline_start_shortstatehash)
 		.unzip()
 		.await;

@@ -95,32 +92,82 @@ pub(super) async fn build_state_initial(
 pub(super) async fn build_state_incremental<'a>(
 	services: &Services,
 	sender_user: &'a UserId,
+	room_id: &RoomId,
+	last_sync_end_count: PduCount,
 	last_sync_end_shortstatehash: ShortStateHash,
+	timeline_start_shortstatehash: ShortStateHash,
 	timeline_end_shortstatehash: ShortStateHash,
 	timeline: &TimelinePdus,
-	use_state_after: bool,
 	lazily_loaded_members: Option<&'a MemberSet>,
 ) -> Result<Vec<PduEvent>> {
-	let mut state_event_ids: HashSet<OwnedEventId> = HashSet::new();
+	/*
+	NB: a limited sync is one where `timeline.limited == true`. Synapse calls this a "gappy" sync internally.

-	trace!(
-		%use_state_after,
-		%last_sync_end_shortstatehash,
-		%timeline_end_shortstatehash,
-		"computing state for incremental sync"
-	);
+	The algorithm implemented in this function is, currently, quite different from the algorithm vaguely described
+	by the Matrix specification. This is because the specification's description of the `state` property does not accurately
+	reflect how Synapse behaves, and therefore how client SDKs behave. Notable differences include:
+	1. We do not compute the delta using the naive approach of "every state event from the end of the last sync
+	   up to the start of this sync's timeline". see below for details.
+	2. If lazy-loading is enabled, we include lazily-loaded membership events. The specific users to include are determined
+	   elsewhere and supplied to this function in the `lazily_loaded_members` parameter.
+	*/

-	// Fetch lazy-loaded membership events if lazy-loading is enabled
-	if let Some(lazily_loaded_members) = lazily_loaded_members
-		&& !lazily_loaded_members.is_empty()
-	{
-		trace!("including lazy membership events for members: {:?}", lazily_loaded_members);
+	/*
+	the `state` property of an incremental sync which isn't limited are _usually_ empty.
+	(note: the specification says that the `state` property is _always_ empty for limited syncs, which is incorrect.)
+	however, if an event in the timeline (`timeline.pdus`) merges a split in the room's DAG (i.e. has multiple `prev_events`),
+	the state at the _end_ of the timeline may include state events which were merged in and don't exist in the state
+	at the _start_ of the timeline. because this is uncommon, we check here to see if any events in the timeline
+	merged a split in the DAG.

-		services
+	see: https://github.com/element-hq/synapse/issues/16941
+	*/
+
+	let timeline_is_linear = timeline.pdus.is_empty() || {
+		let last_pdu_of_last_sync = services
 			.rooms
-			.short
-			.multi_get_eventid_from_short::<'_, OwnedEventId, _>(
-				lazily_loaded_members
+			.timeline
+			.pdus_rev(room_id, Some(last_sync_end_count.saturating_add(1)))
+			.boxed()
+			.next()
+			.await
+			.transpose()
+			.expect("last sync should have had some PDUs")
+			.map(at!(1));
+
+		// make sure the prev_events of each pdu in the timeline refer only to the
+		// previous pdu
+		timeline
+			.pdus
+			.iter()
+			.try_fold(last_pdu_of_last_sync.map(|pdu| pdu.event_id), |prev_event_id, (_, pdu)| {
+				if let Ok(pdu_prev_event_id) = pdu.prev_events.iter().exactly_one() {
+					if prev_event_id
+						.as_ref()
+						.is_none_or(is_equal_to!(pdu_prev_event_id))
+					{
+						return ControlFlow::Continue(Some(pdu_prev_event_id.to_owned()));
+					}
+				}
+
+				trace!(
+					"pdu {:?} has split prev_events (expected {:?}): {:?}",
+					pdu.event_id, prev_event_id, pdu.prev_events
+				);
+				ControlFlow::Break(())
+			})
+			.is_continue()
+	};
+
+	if timeline_is_linear && !timeline.limited {
+		// if there are no splits in the DAG and the timeline isn't limited, then
+		// `state` will always be empty unless lazy loading is enabled.
+
+		if let Some(lazily_loaded_members) = lazily_loaded_members {
+			if !timeline.pdus.is_empty() {
+				// lazy loading is enabled, so we return the membership events which were
+				// requested by the caller.
+				let lazy_membership_events: Vec<_> = lazily_loaded_members
 					.iter()
 					.stream()
 					.broad_filter_map(|user_id| async move {
@@ -131,24 +178,71 @@ pub(super) async fn build_state_incremental<'a>(
 						services
 							.rooms
 							.state_accessor
-							.state_get_shortid(
-								timeline_end_shortstatehash,
+							.state_get(
+								timeline_start_shortstatehash,
 								&StateEventType::RoomMember,
 								user_id.as_str(),
 							)
 							.ok()
 							.await
-					}),
-			)
-			.ignore_err()
-			.ready_for_each(|event_id| {
-				state_event_ids.insert(event_id);
-			})
-			.await;
+					})
+					.collect()
+					.await;
+
+				if !lazy_membership_events.is_empty() {
+					trace!(
+						"syncing lazy membership events for members: {:?}",
+						lazy_membership_events
+							.iter()
+							.map(|pdu| pdu.state_key().unwrap())
+							.collect::<Vec<_>>()
+					);
+				}
+				return Ok(lazy_membership_events);
+			}
+		}
+
+		// lazy loading is disabled, `state` is empty.
+		return Ok(vec![]);
 	}

-	// Fetch the state events added since the last sync.
-	services
+	/*
+	at this point, either the timeline is `limited` or the DAG has a split in it. this necessitates
+	computing the incremental state (which may be empty).
+
+	NOTE: this code path does not use the `lazy_membership_events` parameter. any changes to membership will be included
+	in the incremental state. therefore, the incremental state may include "redundant" membership events,
+	which we do not filter out because A. the spec forbids lazy-load filtering if the timeline is `limited`,
+	and B. DAG splits which require sending extra membership state events are (probably) uncommon enough that
+	the performance penalty is acceptable.
+	*/
+
+	trace!(%timeline_is_linear, %timeline.limited, "computing state for incremental sync");
+
+	// fetch the shorteventids of state events in the timeline
+	let state_events_in_timeline: BTreeSet<ShortEventId> = services
+		.rooms
+		.short
+		.multi_get_or_create_shorteventid(timeline.pdus.iter().filter_map(|(_, pdu)| {
+			if pdu.state_key().is_some() {
+				Some(pdu.event_id.as_ref())
+			} else {
+				None
+			}
+		}))
+		.collect()
+		.await;
+
+	trace!("{} state events in timeline", state_events_in_timeline.len());
+
+	/*
+	fetch the state events which were added since the last sync.
+
+	specifically we fetch the difference between the state at the last sync and the state at the _end_
+	of the timeline, and then we filter out state events in the timeline itself using the shorteventids we fetched.
+	this is necessary to account for splits in the DAG, as explained above.
+	*/
+	let state_diff = services
 		.rooms
 		.short
 		.multi_get_eventid_from_short::<'_, OwnedEventId, _>(
@@ -158,29 +252,18 @@ pub(super) async fn build_state_incremental<'a>(
 				.state_added((last_sync_end_shortstatehash, timeline_end_shortstatehash))
 				.await?
 				.stream()
-				.map(at!(1)),
+				.ready_filter_map(|(_, shorteventid)| {
+					if state_events_in_timeline.contains(&shorteventid) {
+						None
+					} else {
+						Some(shorteventid)
+					}
+				}),
 		)
-		.ignore_err()
-		.ready_for_each(|event_id| {
-			state_event_ids.insert(event_id);
-		})
-		.await;
+		.ignore_err();

-	if !use_state_after {
-		// If state_after isn't enabled, filter out state events which also exist
-		// in the timeline. If splits exist in the DAG, this may not be exactly the same
-		// thing as the state diff ending at the start of the timeline, but Synapse
-		// also does this and it's technically more useful behavior anyway.
-		// See: https://github.com/element-hq/synapse/issues/16941
-
-		for (_, pdu) in &timeline.pdus {
-			state_event_ids.remove(pdu.event_id());
-		}
-	}
-
-	// Finally, fetch the PDU contents and collect them into a vec
-	let state_diff_pdus = state_event_ids
-		.stream()
+	// finally, fetch the PDU contents and collect them into a vec
+	let state_diff_pdus = state_diff
 		.broad_filter_map(|event_id| async move {
 			services
 				.rooms
@@ -15,7 +15,7 @@
 		BoolExt, FutureBoolExt, IterStream, ReadyExt, TryFutureExtExt,
 		future::ReadyEqExt,
 		math::{ruma_from_usize, usize_from_ruma},
-		stream::{TryIgnore, WidebandExt},
+		stream::WidebandExt,
 	},
 	warn,
 };
@@ -41,7 +41,6 @@
 	uint,
 };
 use service::account_data::AnyRawAccountDataEvent;
-use tokio::pin;

 use super::share_encrypted_room;
 use crate::{
@@ -70,7 +69,6 @@ pub(crate) async fn sync_events_v5_route(
 	ClientIp(client_ip): ClientIp,
 	body: Ruma<sync_events::v5::Request>,
 ) -> Result<sync_events::v5::Response> {
-	debug_assert!(DEFAULT_BUMP_TYPES.is_sorted(), "DEFAULT_BUMP_TYPES is not sorted");
 	let sender_user = body.identity.expect_sender_user()?;
 	let sender_device = body.identity.expect_sender_device()?;

@@ -859,31 +857,12 @@ async fn collect_e2ee<'a, Rooms>(
 			continue;
 		};

-		let since_shortstatehash = async {
-			pin! {
-				let pdus_rev = services
-					.rooms
-					.timeline
-					.pdus_rev(room_id, Some(PduCount::Normal(globalsince.saturating_sub(1))))
-					.ignore_err();
-			}
-
-			let (count, pdu_at_last_sync_end) = pdus_rev.next().await?;
-
-			if matches!(count, PduCount::Backfilled(_)) {
-				None
-			} else {
-				Some(
-					services
-						.rooms
-						.state_accessor
-						.pdu_shortstatehash(&pdu_at_last_sync_end.event_id)
-						.await
-						.expect("pdu should have a shortstatehash"),
-				)
-			}
-		}
-		.await;
+		let since_shortstatehash = services
+			.rooms
+			.user
+			.get_token_shortstatehash(room_id, globalsince)
+			.await
+			.ok();

 		let encrypted_room = services
 			.rooms
@@ -35,8 +35,8 @@ pub(crate) async fn get_supported_versions_route(
 /// `/_matrix/federation/v1/version`
 pub(crate) async fn conduwuit_server_version() -> Result<impl IntoResponse> {
 	Ok(Json(serde_json::json!({
-		"name": conduwuit::version::name(),
-		"version": conduwuit::version::version(),
+		"name": conduwuit::BRANDING,
+		"version": conduwuit::version(),
 	})))
 }

@@ -3,8 +3,7 @@
 use ruma::{
 	api::client::discovery::{
 		discover_homeserver::{self, HomeserverInfo},
-		discover_policy_server,
-		discover_support::{self, Contact, ContactRole},
+		discover_policy_server, discover_support,
 	},
 	assign,
 };
@@ -67,46 +66,7 @@ pub(crate) async fn well_known_support(
 		.as_ref()
 		.map(ToString::to_string);

-	let email_address = services.config.well_known.support_email.clone();
-	let matrix_id = services.config.well_known.support_mxid.clone();
-	let pgp_key = services.config.well_known.support_pgp_key.clone();
-
-	// TODO: support defining multiple contacts in the config
-	let mut contacts: Vec<Contact> = vec![];
-
-	let role = services
-		.config
-		.well_known
-		.support_role
-		.clone()
-		.unwrap_or(ContactRole::Admin);
-
-	// Add configured contact if at least one contact method is specified
-	let configured_contact = match (matrix_id, email_address) {
-		| (Some(matrix_id), email_address) =>
-			Some(assign!(Contact::with_matrix_id(role, matrix_id), { email_address })),
-		| (None, Some(email_address)) => Some(Contact::with_email_address(role, email_address)),
-		| (None, None) => None,
-	};
-
-	if let Some(mut configured_contact) = configured_contact {
-		configured_contact.pgp_key = pgp_key;
-
-		contacts.push(configured_contact);
-	}
-
-	// Try to add admin users as contacts if no contacts are configured
-	if contacts.is_empty() {
-		let admin_users = services.admin.get_admins().await;
-
-		for user_id in &admin_users {
-			if *user_id == services.globals.server_user {
-				continue;
-			}
-
-			contacts.push(Contact::with_matrix_id(ContactRole::Admin, user_id.to_owned()));
-		}
-	}
+	let contacts = services.admin.get_support_contacts().await;

 	if contacts.is_empty() && support_page.is_none() {
 		// No admin room, no configured contacts, and no support page
@@ -1,4 +1,5 @@
 #![type_length_limit = "16384"] //TODO: reduce me
+#![recursion_limit = "256"] // My Giant Async Function
 #![allow(clippy::toplevel_ref_arg)]

 extern crate conduwuit_core as conduwuit;
@@ -10,8 +11,6 @@
 pub mod router;
 pub mod server;

-pub mod admin;
-
 pub(crate) use self::router::{Ruma, RumaResponse, State};

 conduwuit::mod_ctor! {}
@@ -10,16 +10,18 @@
 	response::{IntoResponse, Redirect},
 	routing::{any, get, post},
 };
-use conduwuit::{Server, err};
+use conduwuit::err;
 pub(super) use conduwuit_service::state::State;
 use http::{Uri, uri};

 use self::handler::RouterExt;
 pub(super) use self::{args::Args as Ruma, auth::ClientIdentity, response::RumaResponse};
-use crate::{admin, client, server};
+#[cfg(feature = "admin_api")]
+use crate::client::admin::site as admin_api;
+use crate::{client, server};

-pub fn build(router: Router<State>, server: &Server) -> Router<State> {
-	let config = &server.config;
+pub fn build(router: Router<State>, state: State) -> Router<State> {
+	let config = &state.server.config;
 	let mut router = router
        .ruma_route(&client::appservice_ping)
 		.ruma_route(&client::get_supported_versions_route)
@@ -181,15 +183,17 @@ pub fn build(router: Router<State>, server: &Server) -> Router<State> {
 		.ruma_route(&client::get_room_summary)
 		.ruma_route(&client::get_suspended_status)
 		.ruma_route(&client::put_suspended_status)
+		.ruma_route(&client::get_locked_status)
+		.ruma_route(&client::put_locked_status)
 		.ruma_route(&client::well_known_support)
 		.ruma_route(&client::well_known_client)
 		.ruma_route(&client::well_known_policy_server)
 		.ruma_route(&client::get_rtc_transports)
 		.ruma_route(&client::room_initial_sync_route)
+		.ruma_route(&client::get_authorization_server_metadata_route)
+		.merge(client::oauth::router(state))
 		.route("/_conduwuit/server_version", get(client::conduwuit_server_version))
-		.route("/_continuwuity/server_version", get(client::conduwuit_server_version))
-		.ruma_route(&admin::rooms::ban::ban_room)
-		.ruma_route(&admin::rooms::list::list_rooms);
+		.route("/_continuwuity/server_version", get(client::conduwuit_server_version));

 	if config.allow_federation {
 		router = router
@@ -274,6 +278,16 @@ pub fn build(router: Router<State>, server: &Server) -> Router<State> {
 			.route("/_matrix/media/r0/preview_url", any(redirect_legacy_preview));
 	}

+	#[cfg(feature = "admin_api")]
+	{
+		router = router
+			.ruma_route(&admin_api::users::list_users_route)
+			.ruma_route(&admin_api::users::create_user_route)
+			.ruma_route(&admin_api::rooms::ban_room)
+			.ruma_route(&admin_api::rooms::legacy_list_rooms_route)
+			.ruma_route(&admin_api::rooms::list_rooms_route);
+	};
+
 	router
 }

@@ -1,21 +1,28 @@
-use std::any::{Any, TypeId};
+use std::{
+	any::{Any, TypeId},
+	fmt::Display,
+};

-use conduwuit::{Err, Result, err};
+use conduwuit::{Err, Error, Result, err};
+use http::StatusCode;
 use ruma::{
 	DeviceId, OwnedDeviceId, OwnedServerName, OwnedUserId, UserId,
 	api::{
-		IncomingRequest,
+		IncomingRequest, OAuthScope,
 		auth_scheme::{
 			AccessToken, AccessTokenOptional, AppserviceToken, AppserviceTokenOptional,
 			AuthScheme, NoAccessToken, NoAuthentication,
 		},
 		client,
+		error::{ErrorKind, UnknownTokenErrorData},
 		federation::authentication::ServerSignatures,
 	},
+	assign,
 };
 use service::{
 	Services,
 	server_keys::{PubKeyMap, PubKeys},
+	users::AccessTokenStatus,
 };

 use crate::{router::args::AuthQueryParams, service::appservice::RegistrationInfo};
@@ -72,68 +79,66 @@ pub(crate) fn appservice_info(&self) -> Option<&RegistrationInfo> {
 	pub(crate) fn is_appservice(&self) -> bool { matches!(self, Self::Appservice { .. }) }
 }

+impl Display for ClientIdentity {
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		match self {
+			| Self::User { sender_user, sender_device } =>
+				write!(f, "{sender_user} ({sender_device})"),
+			| Self::Appservice { sender_user, appservice_info, .. } =>
+				write!(f, "appservice `{}` using {sender_user}", appservice_info.registration.id),
+		}
+	}
+}
+
 pub(crate) trait CheckAuth: AuthScheme {
 	type Identity: Send;

-	fn authenticate<R: IncomingRequest + Any, B: AsRef<[u8]> + Sync>(
+	fn authenticate<R: IncomingRequest<Authentication = Self> + Any, B: AsRef<[u8]> + Sync>(
 		services: &Services,
 		incoming_request: &hyper::Request<B>,
 		query: AuthQueryParams,
 	) -> impl Future<Output = Result<Self::Identity>> + Send {
 		async move {
-			let route = TypeId::of::<R>();
-
 			let output = Self::extract_authentication(incoming_request).map_err(|err| {
 				err!(Request(Unauthorized(warn!(
-					"Failed to extract authorization: {}",
+					"Failed to extract request authentication: {}",
 					err.into()
 				))))
 			})?;

-			Self::verify(services, output, incoming_request, query, route).await
+			Self::verify::<R, B>(services, output, incoming_request, query).await
 		}
 	}

-	fn verify<B: AsRef<[u8]> + Sync>(
+	fn verify<R: IncomingRequest<Authentication = Self> + Any, B: AsRef<[u8]> + Sync>(
 		services: &Services,
 		output: Self::Output,
 		request: &hyper::Request<B>,
 		query: AuthQueryParams,
-		route: TypeId,
 	) -> impl Future<Output = Result<Self::Identity>> + Send;
 }

 impl CheckAuth for ServerSignatures {
 	type Identity = OwnedServerName;

-	async fn verify<B: AsRef<[u8]> + Sync>(
+	async fn verify<R: IncomingRequest<Authentication = Self> + Any, B: AsRef<[u8]> + Sync>(
 		services: &Services,
 		output: Self::Output,
 		request: &hyper::Request<B>,
 		_query: AuthQueryParams,
-		_route: TypeId,
 	) -> Result<Self::Identity> {
-		let destination = services.globals.server_name();
-		if output
-			.destination
-			.as_ref()
-			.is_some_and(|supplied_destination| supplied_destination != destination)
-		{
-			return Err!(Request(Unauthorized("Destination mismatch.")));
-		}
-
 		let key = services
 			.server_keys
 			.get_verify_key(&output.origin, &output.key)
 			.await
-			.map_err(|e| {
-				err!(Request(Unauthorized(warn!("Failed to fetch signing keys: {e}"))))
+			.map_err(|err| {
+				err!(Request(Unauthorized(warn!("Failed to fetch signing keys: {err}"))))
 			})?;

 		let keys: PubKeys = [(output.key.to_string(), key.key)].into();
 		let keys: PubKeyMap = [(output.origin.as_str().into(), keys)].into();

-		match output.verify_request(request, destination, &keys) {
+		match output.verify_request(request, services.globals.server_name(), &keys) {
 			| Ok(()) => {
 				if services
 					.moderation
@@ -155,98 +160,36 @@ async fn verify<B: AsRef<[u8]> + Sync>(
 impl CheckAuth for AccessToken {
 	type Identity = ClientIdentity;

-	async fn verify<B: AsRef<[u8]> + Sync>(
+	async fn verify<R: IncomingRequest<Authentication = Self> + Any, B: AsRef<[u8]> + Sync>(
 		services: &Services,
 		output: Self::Output,
 		_request: &hyper::Request<B>,
 		query: AuthQueryParams,
-		route: TypeId,
 	) -> Result<Self::Identity> {
-		if output.is_empty() {
-			return Err!(Request(Unauthorized("Missing access token.")));
-		}
-		if let Ok((sender_user, sender_device)) = services.users.find_from_token(&output).await {
-			// Locked users can only use /logout and /logout/all
-			if services
-				.users
-				.is_locked(&sender_user)
-				.await
-				.is_ok_and(std::convert::identity)
-			{
-				if !(route == TypeId::of::<client::session::logout::v3::Request>()
-					|| route == TypeId::of::<client::session::logout_all::v3::Request>())
-				{
-					return Err!(Request(Unauthorized("Your account is locked.")));
-				}
-			}
-
-			Ok(ClientIdentity::User { sender_user, sender_device })
-		} else if let Ok(appservice_info) = services.appservice.find_from_token(&output).await {
-			let Ok(sender_user) = query.user_id.clone().map_or_else(
-				|| {
-					UserId::parse_with_server_name(
-						appservice_info.registration.sender_localpart.as_str(),
-						services.globals.server_name(),
-					)
-				},
-				UserId::parse,
-			) else {
-				return Err!(Request(InvalidUsername("Username is invalid.")));
-			};
-
-			if !appservice_info.is_user_match(&sender_user) {
-				return Err!(Request(Exclusive("User is not in namespace.")));
-			}
-
-			// MSC3202/MSC4190: Handle device_id masquerading for appservices.
-			// The device_id can be provided via `device_id` or
-			// `org.matrix.msc3202.device_id` query parameter.
-			let sender_device =
-				if let Some(device_id) = query.device_id.as_deref().map(Into::into) {
-					// Verify the device exists for this user
-					if services
-						.users
-						.get_device_metadata(&sender_user, device_id)
-						.await
-						.is_err()
-					{
-						return Err!(Request(Forbidden(
-							"Device does not exist for user or appservice cannot masquerade as \
-							 this device."
-						)));
-					}
-
-					Some(device_id.to_owned())
-				} else {
-					None
-				};
-
-			Ok(ClientIdentity::Appservice {
-				sender_user,
-				sender_device,
-				appservice_info: Box::new(appservice_info),
-			})
-		} else {
-			Err!(Request(Unauthorized("Invalid access token.")))
-		}
+		verify_access_token(services, output, query, TypeId::of::<R>(), R::required_scopes())
+			.await
 	}
 }

 impl CheckAuth for AccessTokenOptional {
 	type Identity = Option<ClientIdentity>;

-	async fn verify<B: AsRef<[u8]> + Sync>(
+	async fn verify<R: IncomingRequest<Authentication = Self> + Any, B: AsRef<[u8]> + Sync>(
 		services: &Services,
 		output: Self::Output,
-		request: &hyper::Request<B>,
+		_request: &hyper::Request<B>,
 		query: AuthQueryParams,
-		route: TypeId,
 	) -> Result<Self::Identity> {
 		match output {
-			| Some(token) =>
-				<AccessToken as CheckAuth>::verify(services, token, request, query, route)
-					.await
-					.map(Some),
+			| Some(token) => verify_access_token(
+				services,
+				token,
+				query,
+				TypeId::of::<R>(),
+				R::required_scopes(),
+			)
+			.await
+			.map(Some),
 			| None => Ok(None),
 		}
 	}
@@ -255,39 +198,29 @@ async fn verify<B: AsRef<[u8]> + Sync>(
 impl CheckAuth for AppserviceToken {
 	type Identity = RegistrationInfo;

-	async fn verify<B: AsRef<[u8]> + Sync>(
+	async fn verify<R: IncomingRequest<Authentication = Self> + Any, B: AsRef<[u8]> + Sync>(
 		services: &Services,
 		output: Self::Output,
 		_request: &hyper::Request<B>,
 		_query: AuthQueryParams,
-		_route: TypeId,
 	) -> Result<Self::Identity> {
-		if output.is_empty() {
-			return Err!(Request(Unauthorized("Missing access token.")));
-		}
-		let Ok(appservice_info) = services.appservice.find_from_token(&output).await else {
-			return Err!(Request(Unauthorized("Invalid appservice token.")));
-		};
-
-		Ok(appservice_info)
+		verify_appservice_access_token(services, output).await
 	}
 }

 impl CheckAuth for AppserviceTokenOptional {
 	type Identity = Option<RegistrationInfo>;

-	async fn verify<B: AsRef<[u8]> + Sync>(
+	async fn verify<R: IncomingRequest<Authentication = Self> + Any, B: AsRef<[u8]> + Sync>(
 		services: &Services,
 		output: Self::Output,
-		request: &hyper::Request<B>,
-		query: AuthQueryParams,
-		route: TypeId,
+		_request: &hyper::Request<B>,
+		_query: AuthQueryParams,
 	) -> Result<Self::Identity> {
 		match output {
-			| Some(token) =>
-				<AppserviceToken as CheckAuth>::verify(services, token, request, query, route)
-					.await
-					.map(Some),
+			| Some(token) => verify_appservice_access_token(services, token)
+				.await
+				.map(Some),
 			| None => Ok(None),
 		}
 	}
@@ -296,12 +229,11 @@ async fn verify<B: AsRef<[u8]> + Sync>(
 impl CheckAuth for NoAuthentication {
 	type Identity = ();

-	async fn verify<B: AsRef<[u8]> + Sync>(
+	async fn verify<R: IncomingRequest<Authentication = Self> + Any, B: AsRef<[u8]> + Sync>(
 		_services: &Services,
 		_output: Self::Output,
 		_request: &hyper::Request<B>,
 		_query: AuthQueryParams,
-		_route: TypeId,
 	) -> Result<Self::Identity> {
 		Ok(())
 	}
@@ -310,31 +242,153 @@ async fn verify<B: AsRef<[u8]> + Sync>(
 impl CheckAuth for NoAccessToken {
 	type Identity = Option<ClientIdentity>;

-	async fn verify<B: AsRef<[u8]> + Sync>(
+	async fn verify<R: IncomingRequest<Authentication = Self> + Any, B: AsRef<[u8]> + Sync>(
 		services: &Services,
 		_output: Self::Output,
 		request: &hyper::Request<B>,
 		query: AuthQueryParams,
-		route: TypeId,
 	) -> Result<Self::Identity> {
 		// We handle these the same as AccessTokenOptional
 		let token = AccessTokenOptional::extract_authentication(request).map_err(|err| {
 			err!(Request(Unauthorized(warn!("Failed to extract authorization: {}", err))))
 		})?;

-		// Check special access restrictions
-		if (route == TypeId::of::<client::profile::get_avatar_url::v3::Request>()
-			|| route == TypeId::of::<client::profile::get_display_name::v3::Request>()
-			|| route == TypeId::of::<client::profile::get_profile_field::v3::Request>()
-			|| route == TypeId::of::<client::profile::get_profile::v3::Request>())
-			&& services.config.require_auth_for_profile_requests
-			&& token.is_none()
-		{
-			return Err!(Request(Unauthorized(
-				"This server requires authentication to access user profiles."
-			)));
+		match token {
+			| Some(token) => verify_access_token(
+				services,
+				token,
+				query,
+				TypeId::of::<R>(),
+				// Assume that no scopes are required for these endpoints since
+				// ostensibly they don't require authentication
+				&[],
+			)
+			.await
+			.map(Some),
+			| None => Ok(None),
 		}
-
-		<AccessTokenOptional as CheckAuth>::verify(services, token, request, query, route).await
 	}
 }
+
+async fn verify_access_token(
+	services: &Services,
+	output: String,
+	query: AuthQueryParams,
+	route: TypeId,
+	required_scopes: &[OAuthScope],
+) -> Result<ClientIdentity> {
+	if let Some((sender_user, sender_device, status)) =
+		services.users.find_from_token(&output).await
+	{
+		// If the token is expired we return a soft logout
+		if matches!(status, AccessTokenStatus::Expired) {
+			return Err(Error::Request(
+				ErrorKind::UnknownToken(
+					assign!(UnknownTokenErrorData::new(), { soft_logout: true }),
+				),
+				"This access token has expired.".into(),
+				StatusCode::UNAUTHORIZED,
+			));
+		}
+
+		// Locked users can only use /logout and /logout/all
+		if services
+			.users
+			.is_locked(&sender_user)
+			.await
+			.is_ok_and(std::convert::identity)
+		{
+			if !(route == TypeId::of::<client::session::logout::v3::Request>()
+				|| route == TypeId::of::<client::session::logout_all::v3::Request>())
+			{
+				return Err!(Request(UserLocked("Your account is locked.")));
+			}
+		}
+
+		// If this device is bound to an OAuth session, check its scopes. This will also
+		// handle admin-only endpoints for OAuth clients.
+		if let Some(session) = services
+			.oauth
+			.get_session_info_for_device(&sender_user, &sender_device)
+			.await
+		{
+			if required_scopes
+				.iter()
+				.all(|scope| !session.scopes.contains(scope))
+			{
+				return Err!(Request(Forbidden(
+					"You don't have the necessary scopes to use this endpoint."
+				)));
+			}
+		} else {
+			// Otherwise, explicitly check if the endpoint is restricted to admins only.
+			if required_scopes.contains(&OAuthScope::ServerAdministration)
+				&& !services.users.is_admin(&sender_user).await
+			{
+				return Err!(Request(Forbidden(
+					"Only server administrators can use this endpoint."
+				)));
+			}
+		}
+
+		Ok(ClientIdentity::User { sender_user, sender_device })
+	} else if let Ok(appservice_info) = services.appservice.find_from_token(&output).await {
+		let Ok(sender_user) = query.user_id.clone().map_or_else(
+			|| {
+				UserId::parse_with_server_name(
+					appservice_info.registration.sender_localpart.as_str(),
+					services.globals.server_name(),
+				)
+			},
+			UserId::parse,
+		) else {
+			return Err!(Request(InvalidUsername("Username is invalid.")));
+		};
+
+		if !appservice_info.is_user_match(&sender_user) {
+			return Err!(Request(Exclusive("User is not in this appservice's namespace.")));
+		}
+
+		// MSC3202/MSC4190: Handle device_id masquerading for appservices.
+		// The device_id can be provided via `device_id` or
+		// `org.matrix.msc3202.device_id` query parameter.
+		let sender_device = if let Some(device_id) = query.device_id.as_deref().map(Into::into) {
+			// Verify the device exists for this user
+			if services
+				.users
+				.get_device_metadata(&sender_user, device_id)
+				.await
+				.is_err()
+			{
+				return Err!(Request(Forbidden("Appservice cannot masquerade as this device.")));
+			}
+
+			Some(device_id.to_owned())
+		} else {
+			None
+		};
+
+		Ok(ClientIdentity::Appservice {
+			sender_user,
+			sender_device,
+			appservice_info: Box::new(appservice_info),
+		})
+	} else {
+		Err(Error::Request(
+			ErrorKind::UnknownToken(UnknownTokenErrorData::new()),
+			"Invalid access token.".into(),
+			StatusCode::UNAUTHORIZED,
+		))
+	}
+}
+
+async fn verify_appservice_access_token(
+	services: &Services,
+	output: String,
+) -> Result<RegistrationInfo> {
+	let Ok(appservice_info) = services.appservice.find_from_token(&output).await else {
+		return Err!(Request(Unauthorized("Invalid appservice token.")));
+	};
+
+	Ok(appservice_info)
+}
@@ -676,13 +676,6 @@ async fn handle_edu_direct_to_device(
 	messages
 		.into_iter()
 		.stream()
-		.broad_filter_map(|(target_user_id, map)| async move {
-			services
-				.users
-				.is_active_local(&target_user_id)
-				.await
-				.then_some((target_user_id, map))
-		})
 		.for_each_concurrent(automatic_width(), |(target_user_id, map)| {
 			handle_edu_direct_to_device_user(services, target_user_id, sender, &ev_type, map)
 		})
@@ -11,8 +11,8 @@ pub(crate) async fn get_server_version_route(
 ) -> Result<get_server_version::v1::Response> {
 	Ok(assign!(get_server_version::v1::Response::new(), {
 		server: Some(assign!(get_server_version::v1::Server::new(), {
-			name: Some(conduwuit::version::name().into()),
-			version: Some(conduwuit::version::version().into()),
+			name: Some(conduwuit::BRANDING.into()),
+			version: Some(conduwuit::version().into()),
 		})),
 	}))
 }
@@ -4,7 +4,7 @@
 pub mod proxy;

 use std::{
-	collections::{BTreeMap, BTreeSet, HashMap},
+	collections::{BTreeMap, BTreeSet},
 	net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr},
 	path::PathBuf,
 };
@@ -655,19 +655,25 @@ pub struct Config {
 	/// even if `recaptcha_site_key` is set.
 	pub recaptcha_private_site_key: Option<String>,

-	/// Policy documents, such as terms and conditions or a privacy policy,
-	/// which users must agree to when registering an account.
-	///
-	/// Example:
-	/// ```ignore
-	/// [global.registration_terms.privacy_policy]
-	/// en = { name = "Privacy Policy", url = "https://homeserver.example/en/privacy_policy.html" }
-	/// es = { name = "Política de Privacidad", url = "https://homeserver.example/es/privacy_policy.html" }
-	/// ```
-	///
-	/// default: {}
+	/// display: nested
 	#[serde(default)]
-	pub registration_terms: HashMap<String, HashMap<String, TermsDocument>>,
+	pub registration_terms: RegistrationTerms,
+
+	/// display: nested
+	#[serde(default)]
+	pub oauth: OauthConfig,
+
+	/// Controls whether users are allowed to deactivate their own accounts
+	/// through the account management panel or their Matrix clients. Server
+	/// admins can always deactivate users using the relevant admin commands.
+	///
+	/// Note that, in some jurisdictions, you may be legally required to honor
+	/// users who request to deactivate their accounts if you set this option
+	/// to `false`.
+	///
+	/// default: true
+	#[serde(default = "true_fn")]
+	pub allow_deactivation: bool,

 	/// Controls whether encrypted rooms and events are allowed.
 	#[serde(default = "true_fn")]
@@ -2351,6 +2357,30 @@ pub struct SmtpConfig {
 	pub require_email_for_token_registration: bool,
 }

+#[derive(Clone, Debug, Default, Deserialize, Serialize)]
+#[config_example_generator(
+	filename = "conduwuit-example.toml",
+	section = "global.registration_terms",
+	optional = "true"
+)]
+pub struct RegistrationTerms {
+	/// The language code to provide to clients along with the policy documents.
+	///
+	/// default: "en"
+	pub language: String,
+	/// Policy documents, such as terms and conditions or a privacy policy,
+	/// which users must agree to when registering an account.
+	///
+	/// Example:
+	/// ```ignore
+	/// [global.registration_terms.documents]
+	/// privacy_policy = { name = "Privacy Policy", url = "https://homeserver.example/en/privacy_policy.html" }
+	/// ```
+	///
+	/// default: {}
+	pub documents: BTreeMap<String, TermsDocument>,
+}
+
 /// A policy document for use with a m.login.terms stage.
 #[derive(Clone, Debug, Deserialize, Serialize)]
 pub struct TermsDocument {
@@ -2358,6 +2388,43 @@ pub struct TermsDocument {
 	pub url: String,
 }

+#[derive(Clone, Debug, Default, Deserialize)]
+#[config_example_generator(
+	filename = "conduwuit-example.toml",
+	section = "global.oauth",
+	optional = "true"
+)]
+pub struct OauthConfig {
+	/// The compatibility mode to use for OAuth.
+	///
+	/// - "disabled": OAuth will be unavailable. Users will only be able to log
+	///   in using legacy authentication.
+	/// - "hybrid": OAuth and legacy authentication will both be available. Some
+	///   clients may only use one or the other.
+	/// - "exclusive": Only OAuth will be available. Clients which require
+	///   legacy authentication will be unable to log in.
+	///
+	/// default: "hybrid"
+	pub compatibility_mode: OAuthMode,
+}
+
+#[derive(Clone, Debug, Default, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum OAuthMode {
+	Disabled,
+	#[default]
+	Hybrid,
+	Exclusive,
+}
+
+impl OAuthMode {
+	#[must_use]
+	pub fn uiaa_available(&self) -> bool { matches!(self, Self::Disabled | Self::Hybrid) }
+
+	#[must_use]
+	pub fn oauth_available(&self) -> bool { matches!(self, Self::Hybrid | Self::Exclusive) }
+}
+
 const DEPRECATED_KEYS: &[&str] = &[
 	"cache_capacity",
 	"conduit_cache_capacity_modifier",
@@ -118,7 +118,7 @@ pub enum Error {
 	#[error(transparent)]
 	Mxid(#[from] ruma::IdParseError),
 	#[error("from {0}: {1}")]
-	Redaction(ruma::OwnedServerName, ruma::canonical_json::RedactionError),
+	Redaction(ruma::OwnedServerName, ruma::canonical_json::CanonicalJsonFieldError),
 	#[error("{0:?}: {1}")]
 	Request(ErrorKind, Cow<'static, str>, http::StatusCode),
 	#[error(transparent)]
@@ -161,6 +161,7 @@ pub fn message(&self) -> String {
 		match self {
 			| Self::Federation(origin, error) => format!("Answer from {origin}: {error}"),
 			| Self::Ruma(error) => response::ruma_error_message(error),
+			| Self::Request(_, message, _) => message.clone().into_owned(),
 			| _ => format!("{self}"),
 		}
 	}
@@ -73,11 +73,8 @@ pub(super) fn bad_request_code(kind: &ErrorKind) -> StatusCode {
 		// 413
 		| TooLarge => StatusCode::PAYLOAD_TOO_LARGE,

-		// 405
-		| Unrecognized => StatusCode::METHOD_NOT_ALLOWED,
-
 		// 404
-		| NotFound => StatusCode::NOT_FOUND,
+		| Unrecognized | NotFound => StatusCode::NOT_FOUND,

 		// 403
 		| GuestAccessForbidden
@@ -7,19 +7,16 @@

 use std::sync::OnceLock;

-static BRANDING: &str = "continuwuity";
-static WEBSITE: &str = "https://continuwuity.org";
-static SEMANTIC: &str = env!("CARGO_PKG_VERSION");
+pub const BRANDING: &str = "continuwuity";
+pub const ROUTE_PREFIX: &str = "/_continuwuity";
+pub const WEBSITE: &str = "https://continuwuity.org";
+pub const SEMANTIC: &str = env!("CARGO_PKG_VERSION");

 static VERSION: OnceLock<String> = OnceLock::new();
 static VERSION_UA: OnceLock<String> = OnceLock::new();
 static USER_AGENT: OnceLock<String> = OnceLock::new();
 static USER_AGENT_MEDIA: OnceLock<String> = OnceLock::new();

-#[inline]
-#[must_use]
-pub fn name() -> &'static str { BRANDING }
-
 #[inline]
 pub fn version() -> &'static str { VERSION.get_or_init(init_version) }

@@ -32,10 +29,10 @@ pub fn user_agent() -> &'static str { USER_AGENT.get_or_init(init_user_agent) }
 #[inline]
 pub fn user_agent_media() -> &'static str { USER_AGENT_MEDIA.get_or_init(init_user_agent_media) }

-fn init_user_agent() -> String { format!("{}/{} (bot; +{WEBSITE})", name(), version_ua()) }
+fn init_user_agent() -> String { format!("{BRANDING}/{} (bot; +{WEBSITE})", version_ua()) }

 fn init_user_agent_media() -> String {
-	format!("{}/{} (embedbot; facebookexternalhit/1.1; +{WEBSITE})", name(), version_ua())
+	format!("{BRANDING}/{} (embedbot; facebookexternalhit/1.1; +{WEBSITE})", version_ua())
 }

 fn init_version_ua() -> String {
@@ -1,4 +1,4 @@
-use std::{borrow::Borrow, collections::BTreeSet};
+use std::collections::BTreeSet;

 use futures::{
 	Future,
@@ -824,7 +824,7 @@ struct GetThirdPartyInvite {

 			let prev_event_is_create_event = prev_events
 				.next()
-				.is_some_and(|event_id| event_id.borrow() == create_room.event_id().borrow());
+				.is_some_and(|event_id| event_id == create_room.event_id());
 			let no_more_prev_events = prev_events.next().is_none();

 			if prev_event_is_create_event && no_more_prev_events {
@@ -21,7 +21,7 @@ pub fn versions() -> Vec<String> {
 		"v1.12".to_owned(),
 		"v1.13".to_owned(),
 		"v1.14".to_owned(),
-		"v1.16".to_owned(),
+		"v1.15".to_owned(),
 	]
 }

@@ -44,6 +44,6 @@ pub fn unstable_features() -> BTreeMap<String, bool> {
 		("uk.timedout.msc4323".to_owned(), true), /* agnostic suspend (https://github.com/matrix-org/matrix-spec-proposals/pull/4323) */
 		("org.matrix.msc4155".to_owned(), true), /* invite filtering (https://github.com/matrix-org/matrix-spec-proposals/pull/4155) */
 		("computer.gingershaped.msc4466".to_owned(), true), /* profile change propagation (https://github.com/matrix-org/matrix-spec-proposals/pull/4466) */
-		("org.matrix.msc4380.stable".to_owned(), true),
+		("org.continuwuity.msc4484.unstable".to_owned(), true), /* server admin oauth scope (https://github.com/matrix-org/matrix-spec-proposals/pull/4484) */
 	])
 }
@@ -34,10 +34,7 @@ macro_rules! mod_dtor {
 pub use conduwuit_build_metadata as build_metadata;
 pub use config::Config;
 pub use error::Error;
-pub use info::{
-	version,
-	version::{name, version},
-};
+pub use info::version::*;
 pub use matrix::{Event, EventTypeExt, Pdu, PduCount, PduEvent, PduId, pdu, state_res};
 pub use parking_lot::{Mutex as SyncMutex, RwLock as SyncRwLock};
 pub use server::Server;
@@ -61,17 +61,23 @@ pub fn format(ts: SystemTime, str: &str) -> String {
 pub fn pretty(d: Duration) -> String {
 	use Unit::*;

-	let fmt = |w, f, u| format!("{w}.{f} {u}");
-	let gen64 = |w, f, u| fmt(w, (f * 100.0) as u32, u);
-	let gen128 = |w, f, u| gen64(u64::try_from(w).expect("u128 to u64"), f, u);
+	let fmt = |w, u| {
+		if w == 1 {
+			format!("{w} {u}")
+		} else {
+			format!("{w} {u}s")
+		}
+	};
+	let gen64 = |w, u| fmt(w, u);
+	let gen128 = |w, u| gen64(u64::try_from(w).expect("u128 to u64"), u);
 	match whole_and_frac(d) {
-		| (Days(whole), frac) => gen64(whole, frac, "days"),
-		| (Hours(whole), frac) => gen64(whole, frac, "hours"),
-		| (Mins(whole), frac) => gen64(whole, frac, "minutes"),
-		| (Secs(whole), frac) => gen64(whole, frac, "seconds"),
-		| (Millis(whole), frac) => gen128(whole, frac, "milliseconds"),
-		| (Micros(whole), frac) => gen128(whole, frac, "microseconds"),
-		| (Nanos(whole), frac) => gen128(whole, frac, "nanoseconds"),
+		| (Days(whole), _) => gen64(whole, "day"),
+		| (Hours(whole), _) => gen64(whole, "hour"),
+		| (Mins(whole), _) => gen64(whole, "minute"),
+		| (Secs(whole), _) => gen64(whole, "second"),
+		| (Millis(whole), _) => gen128(whole, "millisecond"),
+		| (Micros(whole), _) => gen128(whole, "microsecond"),
+		| (Nanos(whole), _) => gen128(whole, "nanosecond"),
 	}
 }

@@ -49,6 +49,10 @@ pub(super) fn open_list(db: &Arc<Engine>, maps: &[Descriptor]) -> Result<Maps> {
 		name: "bannedroomids",
 		..descriptor::RANDOM_SMALL
 	},
+	Descriptor {
+		name: "clientid_clientmetadata",
+		..descriptor::RANDOM_SMALL
+	},
 	Descriptor {
 		name: "disabledroomids",
 		..descriptor::RANDOM_SMALL
@@ -157,6 +161,10 @@ pub(super) fn open_list(db: &Arc<Engine>, maps: &[Descriptor]) -> Result<Maps> {
 		name: "referencedevents",
 		..descriptor::RANDOM
 	},
+	Descriptor {
+		name: "refreshtoken_refreshtokeninfo",
+		..descriptor::RANDOM_SMALL
+	},
 	Descriptor {
 		name: "registrationtoken_info",
 		..descriptor::RANDOM_SMALL
@@ -193,7 +201,12 @@ pub(super) fn open_list(db: &Arc<Engine>, maps: &[Descriptor]) -> Result<Maps> {
 	},
 	Descriptor {
 		name: "roomsynctoken_shortstatehash",
-		..descriptor::DROPPED
+		file_shape: 3,
+		val_size_hint: Some(8),
+		block_size: 512,
+		compression_level: 3,
+		bottommost_level: Some(6),
+		..descriptor::SEQUENTIAL
 	},
 	Descriptor {
 		name: "roomuserdataid_accountdata",
@@ -366,6 +379,14 @@ pub(super) fn open_list(db: &Arc<Engine>, maps: &[Descriptor]) -> Result<Maps> {
 		name: "userdevicetxnid_response",
 		..descriptor::RANDOM_SMALL
 	},
+	Descriptor {
+		name: "userdeviceid_oauthsessioninfo",
+		..descriptor::RANDOM_SMALL
+	},
+	Descriptor {
+		name: "userdeviceid_tokenexpires",
+		..descriptor::RANDOM_SMALL
+	},
 	Descriptor {
 		name: "userfilterid_filter",
 		..descriptor::RANDOM_SMALL
@@ -470,4 +491,8 @@ pub(super) fn open_list(db: &Arc<Engine>, maps: &[Descriptor]) -> Result<Maps> {
 		name: "userroomid_invitesender",
 		..descriptor::RANDOM_SMALL
 	},
+	Descriptor {
+		name: "websessionid_session",
+		..descriptor::RANDOM_SMALL
+	},
 ];
@@ -68,6 +68,7 @@ full = [
    "jemalloc_prof",
    "perf_measurements",
    "tokio_console",
+	"conduwuit-api/admin_api",
 ]

 brotli_compression = [
@@ -15,7 +15,7 @@
 #[clap(
 	about,
 	long_about = None,
-	name = conduwuit_core::name(),
+	name = conduwuit_core::BRANDING,
 	version = conduwuit_core::version(),
 )]
 pub struct Args {
@@ -110,7 +110,7 @@ pub(crate) fn init(
 				.with_batch_exporter(exporter)
 				.build();

-			let tracer = provider.tracer(conduwuit_core::name());
+			let tracer = provider.tracer(conduwuit_core::BRANDING);

 			let telemetry = tracing_opentelemetry::layer().with_tracer(tracer);

@@ -47,7 +47,7 @@ fn options(config: &Config) -> ClientOptions {
 		traces_sample_rate: config.sentry_traces_sample_rate,
 		debug: cfg!(debug_assertions),
 		release: release_name(),
-		user_agent: conduwuit_core::version::user_agent().into(),
+		user_agent: conduwuit_core::user_agent().into(),
 		attach_stacktrace: config.sentry_attach_stacktrace,
 		before_send: Some(Arc::new(before_send)),
 		before_breadcrumb: Some(Arc::new(before_breadcrumb)),
@@ -112,7 +112,9 @@ fn handle_result(method: &Method, uri: &Uri, result: Response) -> Result<Respons
 	}

 	if status == StatusCode::METHOD_NOT_ALLOWED {
-		return Ok(err!(Request(Unrecognized("Method Not Allowed"))).into_response());
+		return Ok(
+			err!(Request(Unrecognized("Method not allowed"), METHOD_NOT_ALLOWED)).into_response()
+		);
 	}

 	Ok(result)
@@ -9,8 +9,8 @@
 pub(crate) fn build(services: &Arc<Services>) -> (Router, Guard) {
 	let router = Router::<state::State>::new();
 	let (state, guard) = state::create(services.clone());
-	let router = conduwuit_api::router::build(router, &services.server)
-		.merge(conduwuit_web::build())
+	let router = conduwuit_api::router::build(router, state)
+		.merge(conduwuit_web::build(services))
 		.fallback(not_found)
 		.with_state(state);

@@ -1 +1,2 @@
 pub mod rooms;
+pub mod users;
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Ginger	61a2e236b6	fix: Fix backwards logic in auth check	2026-06-09 14:45:20 -04:00
Ginger	d4fdf87daa	fix: Update error message wording	2026-06-09 14:06:24 -04:00
Ginger	513259a837	refactor: Remove redundant destination check in server auth logic Ruma already does this check for us	2026-06-09 13:58:03 -04:00
Ginger	0f14a91bf3	refactor: Update Ruma and adjust auth logic	2026-06-09 13:56:21 -04:00
Ginger	d557ed9a2c	refactor: Use `determine_registration_user_id` in admin user create route	2026-06-08 10:53:54 -04:00
Ginger	cad2bb659b	feat: Set MSC4484 unstable feature flag	2026-06-08 10:53:54 -04:00
Ginger	4ee69f9061	fix: Adjust admin API routes to work with new auth logic	2026-06-08 10:53:31 -04:00
timedout	9812067c39	feat: Add user creation endpoint	2026-06-08 10:41:13 -04:00
timedout	10136d4f78	feat: Include predecessor and successor information in room list	2026-06-08 10:41:12 -04:00
timedout	d6d0694387	feat: Add pagination to rooms list & include more information	2026-06-08 10:41:12 -04:00
timedout	0db74089c1	feat: Enable pagination for the users list route	2026-06-08 10:41:12 -04:00
timedout	efe37dab12	feat: Define routes for listing and creating users	2026-06-08 10:41:12 -04:00
timedout	1f16468dac	feat: Add version part to admin API URLs This is a surprise tool that will help us later	2026-06-08 10:41:12 -04:00
timedout	00bdffb783	chore: Add some documentation to API stuff	2026-06-08 10:41:12 -04:00
timedout	ed83d8fbb4	feat: Drop ruminuwuity msc4323 definitions	2026-06-08 10:41:12 -04:00
timedout	50f22cbf10	feat: Use upstream ruma defs for msc4323, add locking endpoints	2026-06-08 10:41:12 -04:00
Ginger	476f5249ce	fix: Check for existing device when creating oauth session	2026-06-08 10:38:00 -04:00
Ginger	d4eff0256c	fix: Use RFC-compliant error responses for OAuth endpoints	2026-06-08 10:37:44 -04:00
Ginger	23aa0f5005	fix: Force trusted flow UI for first-run registration	2026-06-08 09:33:06 -04:00
Ginger	0594892921	fix: Panic when trying to check an unknown UIAA stage type	2026-06-08 09:33:06 -04:00
Ginger	5c16cb60fd	fix: Use the right error code for CAPTCHA errors	2026-06-08 09:33:06 -04:00
Ginger	809a9429dc	fix: Formatting	2026-06-08 09:33:06 -04:00
Ginger	707587aa15	refactor: Update logic for checking if a username is available	2026-06-08 09:33:06 -04:00
Ginger	a10c709f1a	fix: CSS adjustments	2026-06-08 09:33:05 -04:00
Ginger	7407435334	fix: Adjust error codes to comply with MSC4190	2026-06-08 09:33:05 -04:00
Ginger	cb7c678a34	feat: Mark spec version 1.15 as supported	2026-06-08 09:33:05 -04:00
Ginger	0db01a6763	feat: Add a page with some information about the server	2026-06-08 09:33:05 -04:00
Ginger	d7b066c03a	fix: Correct config file example section name	2026-06-08 09:33:05 -04:00
Ginger	5c2afd9f0d	chore: My Giant Future	2026-06-08 09:33:05 -04:00
Ginger	886aaf0e17	feat: Improve account panel UI for locked and suspended accounts	2026-06-08 09:33:05 -04:00
Ginger	86a33b5eb3	fix: Include query parameters in link back to login on register page	2026-06-08 09:33:05 -04:00
Ginger	01dcb9cf9d	fix: CSS tweaks	2026-06-08 09:33:05 -04:00
Ginger	5effc3411e	feat: Improve registration UI in first-run mode	2026-06-08 09:33:05 -04:00
Ginger	d67000f0bc	fix: Minor wording improvements	2026-06-08 09:33:05 -04:00
Ginger	f294361eb2	fix: Set default for `allow_deactivation`	2026-06-08 09:33:05 -04:00
Ginger	d1eeefed77	fix: Fix registration terms example in config	2026-06-08 09:33:05 -04:00
Ginger	1c347841ce	feat: Implement support for `prompt=create` in the authorization code flow	2026-06-08 09:33:05 -04:00
Ginger	a73973197d	fix: Don't let logged-in users access the registration page	2026-06-08 09:33:05 -04:00
Ginger	74e0d87c0d	feat: Allow self-service deactivation to be disabled	2026-06-08 09:33:05 -04:00
Ginger	3691cccf11	refactor: Use more consistent terminology for email validation pages	2026-06-08 09:33:05 -04:00
Ginger	86368b46b0	feat: Add support for registering accounts with the web UI	2026-06-08 09:33:05 -04:00
Ginger	71a44bf7ea	refactor: Change template context to allow using a CSP nonce	2026-06-08 09:33:05 -04:00
Ginger	81b865f258	fix: Minor CSS improvements	2026-06-08 09:33:05 -04:00
Ginger	b0d90e614c	fix: Remove errant whitespace in device details	2026-06-08 09:33:05 -04:00
Ginger	e6f8e6c868	chore: News fragment	2026-06-08 09:33:05 -04:00
Ginger	db460e0a59	feat: Allow configuring the OAuth compatibility mode	2026-06-08 09:33:05 -04:00
Ginger	810b40536b	fix: Use button styling for account management link on index page	2026-06-08 09:33:05 -04:00
Ginger	577b33599f	fix: Use the right text color on input elements	2026-06-08 09:33:05 -04:00
Ginger	573f2e4892	feat: Add support for account management deeplinks	2026-06-08 09:33:05 -04:00
Ginger	8aa93c7839	fix: Return the correct error code for expired access tokens	2026-06-08 09:33:05 -04:00
Ginger	9aed687ee1	feat: Add a page for viewing a device's details	2026-06-08 09:33:05 -04:00
Ginger	c3df2e4570	fix: Use SameSite=Lax for session cookie	2026-06-08 09:33:05 -04:00
Ginger	8c178c32f9	feat: Allow devices to be removed from the account panel	2026-06-08 09:33:05 -04:00
Ginger	e8d409c6ed	feat: Implement oauth token revocation	2026-06-08 09:33:05 -04:00
Ginger	b50c7027f5	chore: Clippy fixes	2026-06-08 09:33:05 -04:00
Ginger	0ed101e973	feat: Implement oauth auth code and refresh token flows	2026-06-08 09:33:05 -04:00
Ginger	2d7a35310f	chore: Clippy fixes	2026-06-08 09:33:05 -04:00
Ginger	cf1b3c6d4b	feat: Implement a web-based account management dashboard	2026-06-08 09:33:05 -04:00
Ginger	07f7d6f071	feat: Implement oauth service and client registration	2026-06-08 09:33:05 -04:00
				`@@ -0,0 +1 @@`
				Users may now be forbidden from deactivating their own accounts with the new `allow_deactivation` config option. Contributed by @ginger.
				`@@ -1 +0,0 @@`
				Added support for Matrix 1.16's `state_after` feature, allowing clients which understand it to sync room state changes more reliably. Contributed by @ginger.
				`@@ -0,0 +1 @@`
				`Added support for authenticating clients using the new OAuth 2.0 login API. Contributed by @ginger.`
				`@@ -1 +0,0 @@`
				`Added example configuration using caddy-docker-proxy in the livekit setup section of the docs. Contributed by @Cease`
				`@@ -1 +0,0 @@`
				`Fixed admin commands being ignored when they had leading whitespace before admin commands. Contributed by @kitvonsnookerz.`
				`@@ -1 +0,0 @@`
				Added static builds using Nix, allowing for Continuwuity on musl. During this, we also introduced a `max-perf-haswell` package, separating it from `max-perf`, so you may want to swap to this if you are on NixOS. Contributed by @Henry-Hiles (QuadRadical).
				`@@ -1 +0,0 @@`
				`Added support for MSC4380 invite blocking, which has become part of the Matrix specification in v1.18. Contributed by @nex.`
				`@@ -1 +0,0 @@`
				Adjusted legacy sync logic to no longer use the `roomsynctoken_shortstatehash` database column. Once this change has been confirmed to be stable and reliable, a future update will remove it entirely, significantly decreasing database sizes. Contributed by @ginger.