Commit Graph

126 Commits

Author SHA1 Message Date
Efim Poberezkin 3d9ceff691 ask client for confirmation of sender; make establishment of connection asynchronous (#163)
Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2021-07-04 04:48:24 +10:00
Evgeny Poberezkin e4d9b481ec refactor message meta to MsgMeta type (#164) 2021-06-30 10:29:45 +01:00
Evgeny Poberezkin 7af7272635 SQLiteStore connection pool (#162)
* SQLiteStore connection pool

* move SQLiteStore to agent env - single store instance is used for all clients
2021-06-25 18:17:11 +01:00
Evgeny Poberezkin 09c6adeabc pass migration as parameter (to use in simplex-chat) (#161)
* pass migration as parameter (to use in simplex-chat)

* add connId parameter to create/joinConnection
2021-06-24 18:39:59 +01:00
Evgeny Poberezkin d5f324cb5c SMP agent: functional API (#159)
* SMP agent: functional API (WIP)

* functional API for SMP agent, tests

* fix ICON message parameter

* use stateTVar
2021-06-13 11:11:44 +01:00
Evgeny Poberezkin bf5561c89c remove entities, remove broadcasts (#158) 2021-06-12 20:01:36 +01:00
Evgeny Poberezkin ab89963f45 introduction protocol (#156)
* commands to support introduction

* agent messages / envelopes to support introductions

* introductions and invitations table; insert record with random unique ID

* store class methods and types for introductions

* process INTRO and ACPT commands for connection introductions

* fix tests: add MonadFail constraint, remove OK response to JOIN

* process agent messages for introductions

* ICON notification when introduction is completed

* replace multiway if with case

* correction

* support random connection IDs

* save additional connection fields, refactor create connection funcs

* refactor

* refactor

* test duplex connection with random IDs

* store methods for introductions

* test introduction

* fix parsing of CON agent message

* test introduction with random connection IDs

* broadcast with random connection and broadcast IDs

* clean up sql
2021-06-11 21:33:13 +01:00
Evgeny Poberezkin bc780343df broadcast commands (#154)
* broadcast commands (WIP)

* broadcasts: store and commands implementation

* test broadcast

* broadcast test

* rename migration, handle SEBadConnType errors

* query semicolons
2021-06-01 18:11:16 +01:00
Evgeny Poberezkin 84ce001598 database migrations (#153)
* database migrations

* fix: reverse order of down migrations

* use positional parameters in queries

* simplify migrations

* typo

* rename SchemaMigration to Migration

* move store initialization to IO monad
2021-05-31 16:38:35 +01:00
Evgeny Poberezkin 92bd8ef335 agent entity types (#148)
* agent entity types (WIP - fails)

* agent entities (tests pass, TODO - reduce boilerplate)

* simplify test patters

* simplify test patterns 2

* refactor testEquality for ACommand

* stricter entity parsing and correct serialization, updated tests

* fix check of entity ID

* remove unused instance Eq (Entity t)
2021-05-29 13:01:17 +01:00
Evgeny Poberezkin 5b39f51203 websockets transport (#139)
* example websockets server

* example of ws client

* type class TConnection for  generic TCP/WebSockets implementation

* support WebSockets transport

* rename TConnection methods

* revert runClient to not need transport arg

* pass the list of ports and transports via SMP server config

* remove TypeApplications

* s/Transport/TProxy/, s/TConnection/Transport/

* fix server with multiple transports, make SMP client use WS transport with port 80 (TODO fallback to WS)
2021-05-17 22:33:12 +01:00
Efim Poberezkin f7f419224f reduce transaction retry back-off factor to 1.125 (#137) 2021-05-10 14:24:08 +04:00
Evgeny Poberezkin 8ac47b9bbf reduce transaction retry back-off factor to 1.25 (31 retries) (#136) 2021-05-09 12:49:52 +01:00
Efim Poberezkin fa5a8cb5cd agent: change sqlite busy retry handling; set journal_mode = WAL (#132)
* agent: change sqlite busy retry handling; set journal_mode = WAL

* fix accumulation

* add exponential back-off (*1.5) to transaction retries

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2021-05-09 10:24:02 +01:00
Evgeny Poberezkin 5d59e4b2bd package and module docs, remove Simplex.Markdown (moved to simplex-chat), rename Agent.Transmission to Agent.Protocol (#133)
* package and module docs, remove Simplex.Markdown (moved to simplex-chat), rename Agent.Transmission to Agent.Protocol

* move errors.md to haddock comments, Transport docs

* add CHANGELOG.md, add missing package versions

* changelog, copyright

* docs for Simplex.Messaging.Crypto

* consistent punctuation

* use absolute URLs in readme

* correction
2021-05-09 09:36:08 +01:00
Efim Poberezkin ad87442811 sqlite busy stress test (#131)
* sqlite busy stress test

* refactor withStore2

* refactor withStore2

* pragmas

* swith to IMMEDIATE sqlite transactions and add retry on ErrorBusy

* refactor

* increase timeout, print errors and results

* remove logging errors/results

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2021-05-08 16:30:40 +01:00
Evgeny Poberezkin 7aacee405e agent: send CON to user when the 1st party responds HELLO; fix REPLY vulnerability (#130)
* agent: send CON to user when the 1st party responds HELLO; fix REPLY vulnerability

* test for getRcvConn

* add commented OK response to JOIN command

* store: use Only newtype to select one field
2021-05-07 06:57:53 +01:00
Evgeny Poberezkin 4b9ebbbab2 move SMP server from agent commands NEW/JOIN to agent config (#129)
* move SMP server from agent commands NEW/JOIN to agent config

* fix SMPServer parser

* update agent protocol - server management

* enable agent test

* agent test with 2 servers

* create reply queue on the configured server

* choose random server

* swap bind
2021-05-06 18:53:34 +01:00
Evgeny Poberezkin 1c7d7e5083 base64 encode keyhash in DB (#126) 2021-05-03 15:52:41 +01:00
Evgeny Poberezkin 772b38d154 simplify KeyHash type, store key hash in DB as binary (#122) 2021-05-03 12:38:31 +01:00
Efim Poberezkin b7902ee4c8 agent sqlite: store msg hashes and integrity (#118, #119, #120)
Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2021-05-02 10:48:31 +04:00
Efim Poberezkin 6be4839703 agent: verify msg integrity based on previous msg hash and id (#110)
Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2021-05-02 00:38:32 +04:00
Evgeny Poberezkin 5fec6c1755 Sign and verify agent messages (#106)
* sign and verify agent messages with key sent in HELLO (TODO: hardcoded block size - should use size from handshake; verify signature of HELLO message itself; possibly, different MSG status if signature was not verified (currently ignored) or failed to verify (currently fails with AGENT A_ENCRYPTION - alternatively, change it to AGENT A_SIGNATURE))

* remove hardcoded block size, make it 4096 bytes

* verify signature of HELLO message before it is added to RcvQueue

* refactor

* update doc

* rename functions
2021-04-26 20:05:46 +01:00
Efim Poberezkin 40ad6db51a return error on creation of duplicate connection (#102)
Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2021-04-19 00:46:01 +04:00
Evgeny Poberezkin 5e3bc7ee6c improve error handling (#101)
* inventory of error handling problems and types

* Change SMP protocol errors syntax

* connection errors in agent protocol (ERR CONN), STORE error -> AGENT error

* include exception in SEInternal error

* add MESSAGE errors, remove CRYPTO and SIZE errors

* agent protocol SYNTAX and AGENT errors

* BROKER errors

* group all client command (and agent response) errors

* BROKER TRANSPORT error

* simplify Client

* clean up

* transport errors

* simplify client

* parse / serialize agent errors

* differentiate crypto errors

* update errors.md

* make agent and SMP protocol errors consistent, simplify

* update doc

* test: parse / serialize protocol errors with QuickCheck

* add String to internal error

* exponential back-off when retrying to send HELLO

* refactor Client.hs

* replace fold with recursion in startTCPClient

* fail test if server did not start, refactor

* test: wait till TCP server stops

* test: refactor waiting for server to stop

* test: fail with error if server did not start/stop
2021-04-18 18:37:54 +01:00
Evgeny Poberezkin 417066c462 change missing IDs message status syntax (#100) 2021-04-16 18:48:13 +01:00
Evgeny Poberezkin 0028939155 standard X509/PKCS8 encoding for RSA keys (#98)
* key encoding primitives (WIP)

* use X509/PKCS8 to read/write server key files

* make PrivateKey type class

* clean up

* remove separate public key file

* specific import
2021-04-14 21:20:08 +01:00
Evgeny Poberezkin 0fbf406800 transport encryption (#65)
* transport encryption (WIP - using fixed key, parsing/serialization works, SMP tests fail)

* transport encryption

* transport encryption: separate keys to receive and to send, counter-based IVs

* docs: update transport encryption and handshake

* transport encryption handshake (TODO: validate key hash, welcome block, move keys to system environment)

* change KeyHash type to newtype of Digest SHA256

* transport encryption: validate public key hash

* send and receive welcome block with SMP version

* refactor: parsing SMPServer

* remove unused function

* verify that client version is compatible with server version (major version is not smaller)

* update (fix) SMP server tests
2021-04-05 13:10:16 +01:00
Efim Poberezkin bd753dbe47 agent sqlite: enable FKs in *all* db connections (#75) 2021-03-29 19:27:05 +04:00
Efim Poberezkin 08171e987d agent sqlite: initialize database in home directory by default (#74) 2021-03-29 19:18:54 +04:00
Efim Poberezkin b9943c359d chat: subscribe to all connections on startup (#70) 2021-03-06 15:39:00 +04:00
Efim Poberezkin 11c8bee836 agent store: make newtypes for msg internal Ids (#68) 2021-03-04 23:19:12 +04:00
Efim Poberezkin 93e782b874 agent store: organize sender and broker fields into tuples (#67) 2021-03-04 23:00:00 +04:00
Efim Poberezkin cc9a67f38a agent store: explain use for various message Ids (#66) 2021-03-04 22:30:15 +04:00
Efim Poberezkin 660e35d1d1 check that sqlite library is compiled with threadsafe code (#63) 2021-03-02 22:30:59 +04:00
Evgeny Poberezkin a3990ea170 Types.hs -> Protocol.hs (#62) 2021-02-28 17:00:14 +00:00
Evgeny Poberezkin d96aeb727f improve rsa encryption (#61)
* clrify encryption schemes

* increase SMP ping delay

* include authTag and msg size in encrypted message header, pad messages to fixed size

* use newtype for Key and IV bytestrings

* rename CryptoError constructors

* refactor Word to Int conversion

* refactor padding, replace padding character

* rfc corrections, comment

* rename aesTagSize -> authTagSize

* failing test
2021-02-28 16:17:28 +00:00
Evgeny Poberezkin 927ff230da Separate db connection for each TCP client connection (#60)
* use separate db connections for each TCP client connection

* refactor atomically, increast delay in tests

* increase test delay for SMP server to start

* increase SMP ping frequency

* remove comment

* separate SQLite connection per thread, to support multi-threaded mode

* remove redundant import
2021-02-28 14:59:29 +00:00
Efim Poberezkin 3af34dea8b agent store: accept internal ts and return internal id (#58) 2021-02-27 15:06:51 +04:00
Efim Poberezkin 8134bb0eb9 agent store: settle naming of Rcv and Snd entities (#55) 2021-02-26 18:17:56 +04:00
Efim Poberezkin dac35d8ea8 agent sqlite: merge SQLite and SQLite.Util (#54) 2021-02-26 18:17:56 +04:00
Efim Poberezkin b4ebe85ce3 agent sqlite: move sql queries closer to parameters (#53) 2021-02-26 18:17:56 +04:00
Efim Poberezkin 0f60c53a66 agent: save messages (#45) 2021-02-25 19:02:27 +04:00
Evgeny Poberezkin 51aab978bd remove GADT syntax from existential wrappers (#49) 2021-02-26 18:17:29 +04:00
Evgeny Poberezkin 435ab21e71 E2E message encryption (#38)
* RSA OAEP functions

* encrypt/decrypt using AES AEAD GSM

* fix JOIN syntax test

* encrypt/decrypt functions working

* e2e encryption!

* refactor monadic transitions

* rename liftError' to liftEitherError

* combine CryproFailable functions
2021-02-26 18:14:22 +04:00
Efim Poberezkin 469f84bb74 use cryptographic key pairs for encryption keys (#39)
* use cryptographic key pairs for encryption keys

* use speaking key types

* fix key types

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>
2021-02-26 18:14:22 +04:00
Evgeny Poberezkin 0fe41dbf16 Sign / verify SMP commands (#37)
* generate key pair

* crypto: sign/verify functions

* remove extension

* parse/serialize keys

* use RSA recipient/sender keys (TODO sign/verify)

* make PublicKey newtype, assign 0s to private_p & private_q

* replace SMP command parsing with Attoparsec

* rename types: Signed->Transmission, Transmission->SignedTransmission

* sign and verify commands (server tests skipped, agent tests pass)

* SMP client: avoid seralizing transmission twice when sending commands

* update SMP server tests to use command signatures

* remove support for "SEND :msg" syntax from SMP server protocol

* rename RSA module name to R to avoid confusion with C used for S.M.Crypto

* update key sizes to use bits `div` 8

* tidy up
2021-02-26 18:14:22 +04:00
Efim Poberezkin 7e9cfcce8c agent sqlite: rework schema, make methods transactional, enable foreign keys (#34)
* agent sqlite: rework schema

* agent sqlite: explicitly mark primary keys as NOT NULL

* agent sqlite: adjust connections and queues fkeys

* agent sqlite: remove ack_mode from queues tables

* [WIP] agent sqlite: refactor methods

* agent sqlite: implement transactional createRcvConn

* add comment

* agent sqlite: remove ConnAlias from createRcvConn signature

* agent sqlite: implement transactional createSndConn

* agent sqlite: remove monadic stack from store util methods

* agent sqlite: refactor getConn

* agent sqlite: rename conn -> dbConn

* agent sqlite: move transactional logic to utils

* agent sqlite: remove addServer from store interface

* fix comment

* agent sqlite: refactor getRcvQueue

* agent sqlite: refactor deleteConn

* agent sqlite: remove old deleteConn

* agent sqlite: enable FKs

* agent sqlite: refactor methods upgrading connection to duplex

* agent sqlite: uncomment not implemented methods

* agent sqlite: rename methods upgrading connection to duplex

* use liftEither

* agent sqlite: refactor update queue status methods

* agent sqlite: refactor createMsg

* clean up

* fix compilation errors in src

* fix existing tests

* clean up tests

* agent sqlite: test that foreign keys are enabled

* change private members naming

* tests: expect specific error code

* clean up

* agent sqlite: consistently separate lifts from logic to their own lines
2021-02-04 19:23:43 +04:00
Evgeny Poberezkin 1f61267308 chat prototype (#35)
* chat prototype

* chat prototype now compiles

* chat prototype works

* agent: respond SENT mId to SEND (instead of OK), ne repsonse to chat message in terminal

* chat prototype help, update commands

* chat CLI options

* add active contact to ChatClient (not used yet)

* refactor agentTransmission

* InviteContact -> AddContact

* automatically insert active contact

* highlight contact in chat

* name for invitations

* do not ask name on start

* change default server to smp.simplex.im
2021-02-26 18:13:04 +04:00
Evgeny Poberezkin 3192092349 message management (#32)
* message management rfc

* update message management rfc

* message management ideas (WIP)

* message management updated

* messages RFC

* update agent MSG constructor to include recipient/broker/sender message IDs and timestamps

* remove agent command ACK - agent automatically acknowledges server messages

* correct messages doc
2021-02-26 18:13:04 +04:00