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Author SHA1 Message Date
delthas
cae248f672 Add support for the wip soju.im/read capability and READ command 
READ lets downstream clients share information between each other about
what messages have been read by other downstreams.

Each target/entity has an optional corresponding read receipt, which is
stored as a timestamp.

- When a downstream sends:
  READ #chan timestamp=2020-01-01T01:23:45.000Z
  the read receipt for that target is set to that date
- soju sends READ to downstreams:
  - on JOIN, if the client uses the soju.im/read capability
  - when the read receipt timestamp is set by any downstream

The read receipt date is clamped by the previous receipt date and the
current time.
 2022-02-11 19:41:46 +01:00
delthas
17cd3b3e98 Fix echo-message for TAGMSG 
A previous fix (d4b7bb02da) only fixed sending echo-message for
TAGMSG to self. We also need to send echo-message for TAGMSG to
other targets.

Closes: https://todo.sr.ht/~emersion/soju/111
 2022-02-09 16:58:54 +01:00
Simon Ser
b1a83529e1 Fix flags variable name in RPL_WHOREPLY handler 
This param doesn't contain modes, it contains user flags (such as
H/G for away status).
 2022-02-09 15:20:32 +01:00
Simon Ser
009bc29e09 Refactor generateWHOXReply 
Isolate the field letter -> value logic into a separate function.
 2022-02-09 15:16:54 +01:00
Simon Ser
e72c896bb4 Add context to upstreamConn.register 2022-02-08 16:38:34 +01:00
Simon Ser
375ac53f74 Add context to upstreamConn.runUntilRegistered 2022-02-08 16:37:31 +01:00
Simon Ser
66a83e6345 makefile: switch to BSD/GNU make 
Let's stop using POSIX make, it's too much of a pain.
 2022-02-08 16:10:19 +01:00
Simon Ser
f858ec163c db_postgres: use enum for sasl_mechanism 
Ensures only supported mechanisms get stored in the DB.
 2022-02-08 15:38:41 +01:00
Simon Ser
02dac11308 Forbid empty and flag-looking network names 2022-02-07 21:39:39 +01:00
Simon Ser
3f91cfb8c3 service: make name arg optional for network commands 
Makes commands less verbose.
 2022-02-07 21:33:16 +01:00
Simon Ser
57715d8ce2 service: switch to -network flag for certfp and sasl commands 
Instead of always requiring users to explicitly specify the network
name, guess it from the downstream connection.

Network commands are left as-is because it's not yet clear how to
handle them.
 2022-02-04 16:47:34 +01:00
Simon Ser
64ad2164de Fix capitalization of handleServiceSASLStatus 2022-02-04 15:41:40 +01:00
Simon Ser
49b77d630a Ensure consistent network ordering 
Right now there is no consistent ordering in the network list:
no ORDER BY in the DB, and network updates move entries to the end.

Let's always sort by network ID so that users don't see the entries
move around.

I've contemplated sorting by Network.GetName() instead, but:

- Clients have now way to figure out dynamic order changes, e.g.
  when renaming a network.
- Some clients might use ISUPPORT NETWORK when a user hasn't
  explicitly named a network, but soju won't use that for ordering,
  leading to non-alphabetic ordering in the client.

Let's leave it to clients to sort the networks by display name if
they want to.
 2022-02-04 15:03:13 +01:00
Simon Ser
0b5da29916 Drop user.forEachNetwork 
It's a trivial for loop.
 2022-02-04 14:01:27 +01:00
Simon Ser
f2a03cf7a1 Fix incorrect listen addr in error message 
The various server goroutines would always capture the last listen
addr in the loop.
 2022-01-19 22:38:13 +01:00
Simon Ser
69e9b6a439 Retry on temporary net.Listener failure 
Instead of stopping to listen, retry on temporary failure. This
can happen when running out of FDs.

Closes: https://todo.sr.ht/~emersion/soju/183
 2022-01-19 22:35:46 +01:00
Theodor Thornhill
950198a2b7 contrib/clients: Add information about emacs irc clients 2022-01-13 16:06:54 +01:00
Simon Ser
7060547809 Don't send RPL_NOTOPIC on JOIN 
As per https://modern.ircdocs.horse/#join-message
 2022-01-10 10:37:55 +01:00
Chris Howey
bc727496d0 bump required go version to 1.15 
requires functions added to the stdlib in 1.15

downstream.go references tls.Dialer
user.go references Resolver.LookupIP
 2022-01-03 21:01:44 +01:00
Simon Ser
de7d1f7784 Add context to upstreamConn.handleCapAck 2021-12-10 12:28:16 +01:00
Simon Ser
fe564af756 Handle upstream multi-line SASL 
References: https://todo.sr.ht/~emersion/soju/173
 2021-12-10 10:46:41 +01:00
Simon Ser
e7f9d2332b Add support for downstream multi-line AUTHENTICATE commands 
Useful for long passwords.
 2021-12-09 23:21:08 +01:00
Simon Ser
e397cc2a1f Block RPL_{CREATIONTIME,TOPICWHOTIME} for detached channels 
Closes: https://todo.sr.ht/~emersion/soju/132
 2021-12-09 12:12:20 +01:00
Simon Ser
bad8154da8 Don't forward duplicate JOIN commands 
Closes: https://todo.sr.ht/~emersion/soju/171
 2021-12-08 18:23:46 +01:00
Simon Ser
66aea1b4a2 Add context to {conn,upstreamConn}.SendMessage 
This avoids blocking on upstream message rate limiting for too
long.
 2021-12-08 18:03:40 +01:00
Simon Ser
d21fc06d88 server: cleanup user in defer 
If a user goroutine panics, this correctly removes it from the
global map instead of leaving a dangling entry behind.
 2021-12-08 15:00:02 +01:00
Simon Ser
9caa6f9ca0 service: send summary when executing "server notice" 
Sometimes this command times out. Display the number of skipped
users.
 2021-12-08 14:55:31 +01:00
Simon Ser
f7e151396d Use dc.nick instead of "*" for RPL_* messages 
Makes it clearer what these fields are used for. The default value
for dc.nick is "*".
 2021-12-07 09:42:32 +01:00
Simon Ser
aae0fb9f22 Improve error message when downstream doesn't authenticate 2021-12-07 09:40:02 +01:00
Simon Ser
b6c47a517c Use more descriptive errors when aborting pending commands 2021-12-06 22:33:50 +01:00
Simon Ser
5c819a2c6c Disallow ',' in nicknames 
It breaks lists as in `PRIVMSG a,b,c :foo`.
 2021-12-06 19:23:28 +01:00
Simon Ser
1a78b3d905 Add username to downstreamConn log messages 2021-12-06 18:56:00 +01:00
Simon Ser
d7f7e351af Improve msgStore.Append log message wording 2021-12-06 18:46:10 +01:00
Simon Ser
8b7df6dd46 Downgrade conn log messages to debug 2021-12-06 18:40:37 +01:00
Simon Ser
d829d2ab12 Add Logger.Debugf 
Makes it easy to print debugging messages which aren't targeted at
the user. See [1] for motivation.

[1]: https://dave.cheney.net/2015/11/05/lets-talk-about-logging
 2021-12-06 18:35:49 +01:00
Simon Ser
7dd884d3da Remove Logger.Print 
Callers can just use Logger.Printf instead.
 2021-12-06 18:27:36 +01:00
Simon Ser
f881a42b4b Stop incrementing hopcount in RPL_WHOREPLY 
It's extra code for something clients should ignore because it's
unreliable and useless.
 2021-12-06 18:08:53 +01:00
Simon Ser
548b1c6930 Read nickname from RPL_WELCOME 
References: https://github.com/ircdocs/modern-irc/pull/146
 2021-12-06 17:58:54 +01:00
Simon Ser
1c285a1b72 Fallback to alt nick 
If the nickname we want is taken, fallback to another one by
appending underscores. Use MONITOR to figure out when we can request
our desired nick again.

Closes: https://todo.sr.ht/~emersion/soju/35
 2021-12-04 20:07:23 +01:00
Simon Ser
f2a28f6e22 Avoid forwarding MONITOR requests if upstream doesn't support it 
Clients aren't supposed to do this, but in case they do, let's
send them an error.
 2021-12-04 19:29:39 +01:00
Simon Ser
b2957c05d5 Use golang.org/x/time/rate 
Instead of hand-rolling our own rate-limiter based on goroutines,
use golang.org/x/time/rate.
 2021-12-02 23:52:29 +01:00
Simon Ser
f75ee272a4 Add context to network.storeClientDeliveryReceipts 2021-12-02 23:32:12 +01:00
Simon Ser
04b0c2fd6b Add context to upstreamConn.handleMessage 2021-12-02 23:27:12 +01:00
Simon Ser
a413681253 Cancel pending commands on downstream disconnect 
If a client queues a high number of commands and then disconnects,
remove all of the pending commands. This avoids unnecessarily
sending commands whose results won't be used.
 2021-12-02 19:29:44 +01:00
Simon Ser
1620344f0a Mark ACCOUNT_REQUIRED error as permanent connection failure 
There's no point in retrying to connect in this case.
 2021-12-02 17:58:56 +01:00
Simon Ser
fd9a935f3e Don't retry connecting on permanent failure 
Closes: https://todo.sr.ht/~emersion/soju/164
 2021-12-02 17:33:11 +01:00
Simon Ser
578020e553 Add exponential backoff when re-connecting to upstream 
The first reconnection attempt waits for 1min, the second the 2min,
and so on up to 10min. There's a 1min jitter so that multiple failed
connections don't try to reconnect at the exact same time.

Closes: https://todo.sr.ht/~emersion/soju/161
 2021-12-02 12:14:35 +01:00
Simon Ser
8acc07d591 Add soju_upstream_connect_errors_total metric 2021-12-02 11:15:51 +01:00
Simon Ser
d11216917b Fix upstream gauge metric 
It wasn't decremented on error. While at it, increment it when
connecting to the upstream network.
 2021-12-02 11:03:56 +01:00
Simon Ser
73287f242e Add context to connectToUpstream 2021-12-02 10:53:43 +01:00