Commit Graph

73 Commits

Author SHA1 Message Date
Evgeny Poberezkin
4d333a90fa Merge branch 'master' into xftp 2023-02-10 19:07:12 +00:00
Evgeny Poberezkin
eb1723acce refactor transport encoding, make client IO error "temporary" (#634)
* file server/client framework

* refactor

* make IOError temporary

* fix test
2023-02-10 19:06:28 +00:00
Evgeny Poberezkin
6858f74897 Merge branch 'master' into xftp 2023-01-27 18:00:11 +00:00
Evgeny Poberezkin
bc8acf2abf Merge branch 'master' into xftp 2023-01-16 19:29:55 +00:00
Evgeny Poberezkin
324e01300d execute asynchronous commands for correct users, include session in messages from SMP clients to agent (#608)
* execute asynchronous commands for correct users

* pass transport session to message processing to avoid race condition

* account for server changes when determining unused servers

* enable one test

* enable all tests, remove log
2023-01-16 11:06:19 +00:00
Evgeny Poberezkin
f4ad3a983e support users in agent to isolate traffic of different users (#598)
* users table, isolate traffic sessions by users or by queues

* remove extra indices

* corrections

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2023-01-11 17:47:20 +04:00
Evgeny Poberezkin
acfa65200a deduplicate connections in connect/disconnect responses, log errors in tPut (#593)
* remove TODO for old handshake version (this HELLO is not sent now)

* deduplicate connections in responses and verify server in the list of subscribed queues

* log transport and LargeMsg in tPut (the results it returns are only used in the tests)

* refactor

* refactor
2023-01-06 17:14:49 +00:00
Evgeny Poberezkin
61e0c346df simplify C.sign, Crypto tests, triage TODOs (#592)
* simplify C.sign, Crypto tests, triage TODOs

* update condition

* remove todos

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2023-01-06 15:34:05 +00:00
Evgeny Poberezkin
058e3ac55e send/process "quota exceeded" message from SMP server when sender gets ERR QUOTA (#585)
* send "quota exceeded" message from SMP server when sender gets ERR QUOTA (ignored in the agent for now)

* send msg quota to the recipient to indicate that sender got ERR QUOTA, test

* switch between slow/fast retry intervals (tests do not pass yet)

* send QCONT message, refactor RetryInterval, test

* refactor

* remove comment

* remove space

* unit test for withRetryLock2

* refactor
2023-01-04 14:10:13 +00:00
Evgeny Poberezkin
8dd728e834 add XFTP to ProtocolType 2022-12-30 22:22:07 +00:00
Evgeny Poberezkin
c2342cba05 FromJSON instance for ProtoServerWithAuth 2022-11-15 22:42:01 +00:00
Evgeny Poberezkin
95db734b2d export BasicAuth constructor 2022-11-13 08:29:54 +00:00
Evgeny Poberezkin
e281efdcb8 server: SMP basic auth (#561)
* server: SMP basic auth

* update ini default

* rfc, types

* tests

* update INI file

* typo

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>

* refactor

* update INI options, log new queue creation mode on start (on/off/requires auth)

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2022-11-12 22:29:36 +00:00
Evgeny Poberezkin
eb5c1c78cb connection queue redundancy and rotation (#521)
* rfc: queue rotation

* update rfc

* messages for queue rotation

* allow multiple subscribed queues per connection in Agent/Client.hs

* refactor

* fix module name

* allow multiple queues in duplex connection type

* update commands

* add indices

* addConnectionRcvQueue

* switch connection to another queue (WIP)

* update schema/protocol

* switching queue works, but sending messages after the switch fails

* messages are delivered after rotation

* use connection-scoped queue ID

* rename queue records fields

* refactor using SMPQueue class/instances

* simplify queries

* QKEY: check queue is not secured, refactor

* update rfc

* mark queue as primary in QUSE

* queue rotation errors

* fix async ack

* fix async ACK to send OK

* correction

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>

* use SWCH command

* rename

* take into account only active queue subscription when determining connection result if at least one queue is active

* remove comment

* only enable notifications for connections with enableNtfs = True

* async test (WIP)

* async queue rotation test

* simplify combining results

* test with 2 servers

* fix unused subscribeConnection

* switch to cabal build

* increase build timeout

* increase delay in async test

* skip queue rotation tests

* build matrix

* step name

* use ubuntu-18.04 in build matrix

* enable rotation tests

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2022-10-29 18:57:01 +01:00
Evgeny Poberezkin
29332a5e9f lints (#539)
* lints

* revert

* add import

* remove StrictData
2022-10-01 11:51:52 +01:00
Evgeny Poberezkin
02bba01c16 send host events when server hosts are connected and disconnected (#496) 2022-08-13 11:57:36 +01:00
Evgeny Poberezkin
68138c08d2 support multiple server hostnames per queue (#494)
* store SMP client version per queue

* use versioned format for queue addresses (not compatible with v1)

* multiple server hosts in queue URI/data, versioned encoding (cross-version tests fail)

* choose server host based on socksProxy setting

* test works

* multiple server addresses mostly work

* add onion hosts for provided servers

* update SMP hosts
2022-08-12 11:32:04 +01:00
Evgeny Poberezkin
d788c3ca95 access servers via SOCKS proxy (#482)
* access servers via SOCKS proxy

* config to pass tcp timeout and option SOCKS5 proxy to the agent
2022-07-23 13:57:10 +01:00
Evgeny Poberezkin
a6f401041a SMP protocol v4: batching multiple server commands/responses in a transport block (#470)
* batch server commands in one transport block

* subscribe to multiple queues using batched commands

* agent method to subscribe to multiple queues using batched commands

* refactor

* test for batched subscriptions

* delete part of connections in batched test

* add resubscribeConnections

* remove comment

* update SMP protocol doc
2022-07-17 10:10:38 +01:00
Evgeny Poberezkin
abd694bd5a parameterize protocol server by scheme (#459) 2022-07-05 21:56:14 +01:00
Evgeny Poberezkin
9c1b43791c SMP v3: encrypt message timestamp and flags together with the body between server and recipient (#457)
* SMP v3: encrypt message timestamp and flags together with the body between server and recipient

* v3 tests

* update protocol doc

* add test for max size message

* delay in notifications test

* simplify v3

* encrypt server message to the recipient when sent

* refactor

* exit on error restoring the messages

* refactor, increase test timeout

* style

* add prints to the test

* remove error from unsafeMaxLenBS

* update protocol

* lint, improve test, change func param
2022-07-05 21:08:05 +01:00
Evgeny Poberezkin
6b6ea78eac ntf server error handling (#448)
* ntf server error handling

* refactor

* fix
2022-07-01 12:25:08 +01:00
JRoberts
ef4d4c9e16 ntf: remove notification subscription (#417) 2022-06-22 20:32:32 +04:00
JRoberts
7a72488275 ntf: use separate key to encrypt NMsgMeta (#410)
* ntf: use separate key to encrypt NMsgMeta

* key negotiation

* save key on server, use for encryption

* refactor?

* store error

* NtfQueueCreds

* server - NtfCreds

* comment, rename

* fix type

* ClientNtfCreds

* encoding
2022-06-20 17:16:26 +04:00
Evgeny Poberezkin
0ab44b1836 get multiple messages when notification is processed (#411)
* get multiple messages when notification is processed

* change notification property
2022-06-19 13:23:35 +01:00
JRoberts
ec70429106 ntf: getNotificationMessage' (#406)
* ntf: getNotificationMessage'

* refactor

* ntfTs

* fix parser

* length

* fix test

* fix encryption, test

* remove test focus

* getActiveNtfToken

* rename

* Update src/Simplex/Messaging/Protocol.hs

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

* getNtfRcvQueue

* refactor

* don't fail

* Update src/Simplex/Messaging/Notifications/Protocol.hs

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

* Update src/Simplex/Messaging/Notifications/Server.hs

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

* Update src/Simplex/Messaging/Server.hs

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

* import

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2022-06-18 18:21:35 +04:00
JRoberts
f7bd8a3982 ntf: agent ntf workers implementation, store methods (#394) 2022-06-14 14:34:18 +04:00
Evgeny Poberezkin
91802fe94f Merge branch 'master' into f/notifications 2022-06-12 16:49:56 +01:00
Evgeny Poberezkin
c1348aa54f SMP connection handshake v2 (#390)
* SMP connection handshake v2

* hadshake v2 [mostly] works

* all tests pass, some race conditions remain

* fix build

* fix race conditions, send CON after all HELLOs in duplexHandshake mode

* add comments

* comment

* add comments
2022-06-09 13:47:07 +01:00
Evgeny Poberezkin
60294521f4 add msgId to ACK to avoid the risks of losing messages with concurrent delivery (in app/NSE) (#387)
* add msgId to ACK to avoid the risks of losing messages with concurrent delivery (in app/NSE)

* update ACK to only remove message and update stats if msgId matches

* add tests, fix

* rename sameMsgId/msgDeleted
2022-06-07 10:18:40 +01:00
Evgeny Poberezkin
4b3d04bd27 support message flags visible to SMP server to control notifications (and for any future extensions) (#386)
* support stopping and resuming agent  (#385)

* export agentDbPath

* support fully closing and resuming agent

* whitespace

* clean up

* support message flags visible to SMP server to control notifications (and for any future extensions)

* simplify message flags encoding

* GET command
2022-06-06 12:59:45 +01:00
Evgeny Poberezkin
c6dde772b4 batch all connections in DOWN/UP agent messages (#363) 2022-04-25 08:26:52 +01:00
Evgeny Poberezkin
327f7112d0 Merge branch 'master' into notifications-server 2022-04-13 08:52:45 +01:00
Evgeny Poberezkin
d38303d5f1 fix END from disconnected clients incorrectly removing the subscriptions, remove previous PING changes that attempted to solve the problem of lost subscriptions (#351)
* Revert "increase PING timeout, add PING failure count"

This reverts commit a89e019bb0.

* Revert "PING error now throws error to restart SMPClient for more reliable re-connection (#342)"

This reverts commit 62acbc4ad4.

* only process END from the currently active client

* log ignored END

* make PING sent every 15 sec and destroying connection on failure (for testing - to be reverted)

* make removing subscription atomic too

* Revert "make PING sent every 15 sec and destroying connection on failure (for testing - to be reverted)"

This reverts commit 5520b318a2.

* refactor, aggressive PING settings for testing

* revert PING breaking connection
2022-04-12 11:35:28 +01:00
Evgeny Poberezkin
f577fcdacf agent schema/methods/types/store methods for notifications tokens (#348)
* agent schema/methods/types/store methods for notifications tokens

* register notification token on the server

* agent commands for notification tokens

* refactor initial servers from AgentConfig

* agent store functions for notification tokens

* server STM store methods for tokens

* fix protocol client for ntfs (use generic handshake), minimal server and agent tests

* server command to verify ntf token
2022-04-08 08:47:04 +01:00
Evgeny Poberezkin
d31958855f ntf server implementation, updated ntf protocol, ntf client based on refactored protocol client, bare-bones SMP agent to manage ntf connections (to connect to ntf server) (#338)
* process ntf server commands

* when subscription is re-created and it was ENDed, resubscribe to SMP

* SMPClientAgent draft

* SMPClientAgent: remove double tracking of subscriptions

* subscriber frame

* PING error now throws error to restart SMPClient for more reliable re-connection (#342)

* increase TCP timeout to 5 sec

* add pragmas and vacuum db (#343)

* vacuum in each connection to enable auto-vacuum (#344)

* update protocol, token verification

* refactor SMPClient to ProtocoClient, to use with notification server protocol

* notification server client, managing notification clients in the agent

* stub for push payload

Co-authored-by: JRoberts <8711996+jr-simplex@users.noreply.github.com>
2022-04-02 16:14:19 +01:00
Evgeny Poberezkin
f466fa76e5 notifications: protocol, server (#335)
* notifications: protocol

* update protocol to include subscription ID and DH public key

* update protocol, started server

* add notification server subscription DH key

* use the same command type in notifications protocol, protocol parsing, server frame

* remove empty files
2022-03-27 08:36:00 +01:00
John Roberts
5c6ec96d64 make smp servers configurable for running agent (#326) 2022-03-10 10:49:22 +04:00
Evgeny Poberezkin
6fe3bfa980 JSON encoding of types used in simplex-chat (#311)
* JSON encoding of types used in simplex-chat

* add field names for JSON encodings, encode all error sum-types as objects (to allow extension)
2022-01-26 20:18:41 +00:00
Evgeny Poberezkin
bfa4911217 improve message error handling (#286)
* message envelope sizes and protocol doc corrections

* change error handling in message delivery loop
2022-01-12 10:36:22 +00:00
Evgeny Poberezkin
657c9b1b37 reduce SMP envelope sizes (#284) 2022-01-11 21:01:21 +00:00
Evgeny Poberezkin
083d39be22 store missing port as empty string instead of NULL (#280) 2022-01-11 16:01:09 +00:00
Evgeny Poberezkin
2a89394174 integrate double ratchet into agent (#268)
* separate skipped messages from ratchet

* return diff for skipped messages instead of the whole state (tests fail)

* fix ratchet tests

* JSON encoding/decoding for ratchet state

* schema for ratchets

* split MonadUnliftIO instance for ExceptT to a separate file

* update StrEncoding instance for Str

* ratchet store methods

* updateRatchet store method

* move E2E ratchet params to Ratchet module

* x3dh key agreement for double ratchet

* test/fix x3dh, use x3dh for ratchets initialization

* store/get x3dh keys, save ratchet of fixed X448 type

* double-ratchet encryption integration (tests fail)

* fix double ratchet

* fix padding and message length

* remove unused code for "activations"

* remove comment

* add version checks for forward/backward compatibility

* split loading ratchet and skipped message keys

* remove unused encoding instances for Algorithm types

* update ratchet initialization params
2022-01-10 12:01:54 +00:00
Evgeny Poberezkin
488398df9f change message envelopes and encoding, unify message delivery (#252)
* types and encodings for double ratchet integration

* upgrade stack resolver

* type classes for version agreement, encode/decode connection request links and E2E params with versioning

* encode/decode client parameters (version and DH key) in SMP queue URI using query string parameters

* restore support of the current SMP queue URI format

* update AMessage to only send queues in REPLY message (not the full connection request)

* new agent message evnvelopes (tests fail)

* new message envelopes - tests pass

* store fully encrypted messages before sending

* unify message delivery via DB queue (excluding confirmation and invitation)

* remove activateSecuredQueue

* linter hints

* remove comment

* export order

* save rachet-encrypted message, not per-queue encrypted

* delete message after it is accepted by the server, reduce message delivery interval for the tests

Co-authored-by: Efim Poberezkin <8711996+efim-poberezkin@users.noreply.github.com>
2022-01-05 19:52:37 +00:00
Evgeny Poberezkin
4a73a7ecd4 remove public header from all messages, fix envelope sizes (#251)
* fix envelope sizes

* only send sender DH pub key for per-queue E2E with confirmation message
2022-01-03 14:33:30 +00:00
Evgeny Poberezkin
f3523bbba9 make KeyHash non-optional, verify KeyHash in SMP handshake, use StrEncoding class (#250)
* make KeyHash non-optional, StrEncoding class

* change server URI format in agent config, refactor with StrEncoding

* refactor Crypto using checkAlgorithm

* refactor parsing connection requests

* prepare to validate CA fingerprint sent in client handshake

* KeyHash check in handshake

* rename type to CliCommand

* server validates keyhash sent by the client

* validate -a option when parsing

* more of StrEncoding
2022-01-02 22:24:43 +00:00
Evgeny Poberezkin
5e29e3698e binary SMP protocol encoding, split Command type to two types (#245)
* binary SMP protocol encoding (server tests fail)

* use 1 byte for bytestring length when encoding/decoding

* Encoding class, binary tags

* update server tests

* negotiate SMP version in client/server handshake

* add version columns to queues and connections

* split parsing SMP client commands and server responses to different functions

* check uniqueness of protocol tags

* split client commands and server responses/messages to separate types

* update types in SMP client

* remove pattern synonyms for SMP errors

* simplify getHandshake

* update SMP protocol encoding in protocol spec

* encode time as a number of seconds (64-bit integer) since epoch
2022-01-01 13:10:19 +00:00
Evgeny Poberezkin
73cad5a6c4 simple per-queue e2e encryption with NaCl crypto_box (#242)
* simple per-queue e2e encryption with NaCl crypto_box

* add e2e keys and DH secrets to schema

* agree and save shared DH secret per queue (not used yet)

* protocol changes for uniform padding and message part lengths

* correct message structure diagrams

* make per-queue E2E encryption non-optional

* refactor crypto keys

* use NaCl crypto_box for per-queue E2E encryption, remove RSA keys from queues

* remove RSA support

* merge migration with E2E DH keys

* clean up

* remove unused methods

* parsing/serializing agent messages

* remove sender timestamp from DB and code

* clean up

* slean up

* s/SMPConfMsg/SMPConfirmation/

* serializeAgentMessage = serializeClientMessage . agentToClientMsg

* simplify error handling

* update protocol docs
2021-12-29 14:27:10 +00:00
Efim Poberezkin
129246c9e6 unencrypted SMP transport over TLS; simplified handshake (#229)
Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2021-12-19 13:04:44 +04:00
Evgeny Poberezkin
323fb1f03c remove SMP server signing responses (#226)
* remove SMP server signing responses

* keep only one session ID
2021-12-16 07:15:45 +00:00