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106 commits

Author SHA1 Message Date
Reto Brunner ac01ac0143 Use output given to NewLogger 
Previously the output param was ignored
 2022-08-02 10:11:25 +02:00
Simon Ser 3863b8cb6b Add webpush extension 
References: https://github.com/ircv3/ircv3-specifications/pull/471
Co-authored-by: delthas <delthas@dille.cc>
 2022-06-14 16:16:12 +02:00
Simon Ser 95db42e645 Move identd to separate package 2022-05-09 16:36:54 +02:00
Simon Ser 3a7dee8128 Introduce a database package 2022-05-09 15:08:04 +02:00
Simon Ser 5de2a7ec12 Remove unnecessary lastDownstreamID initialization 2022-04-04 09:59:16 +02:00
Simon Ser 9f002d0409 server: print panic stack trace as string 
debug.Stack() returns a byte slice.
 2022-04-04 09:54:48 +02:00
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
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 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 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 5a5c93a756 Add message counter metrics 2021-11-17 15:58:19 +01:00
Simon Ser efc4c62725 Add number of upstream connections to metrics 2021-11-17 15:58:19 +01:00
Simon Ser 7fa8c78122 Add int64 gauge abstraction 
We want to serve metrics via both BouncerServ and Prometheus. Add
a tiny abstraction to avoid updating multiple metrics at once.
 2021-11-17 15:58:19 +01:00
Simon Ser df6b161f55 Add basic active users and downstreams metrics 2021-11-17 15:58:19 +01:00
Simon Ser 8f8d7aab0e Add basic Prometheus metrics exporter 
This only exports the default metrics for now.

References: https://todo.sr.ht/~emersion/soju/142
 2021-11-17 15:58:18 +01:00
Simon Ser 55840312b4 Add per-user IP addresses 
The new upstream-user-ip directive allows bouncer operators to
assign one IP address per user.
 2021-11-17 15:07:58 +01:00
Simon Ser 97152191ad Add timeout for downstream connection registration 2021-11-17 14:54:03 +01:00
Simon Ser 3941f67380 Add config option to globally disable multi-upstream mode 
Closes: https://todo.sr.ht/~emersion/soju/122
 2021-11-17 11:41:11 +01:00
Simon Ser 73295e4fa7 Allow most config options to be reloaded 
Closes: https://todo.sr.ht/~emersion/soju/42
 2021-11-16 00:38:04 +01:00
Simon Ser b9e06e498e Add panic handlers for user and downstream goroutines 
This only brings down a single user or downstream on panic, instead
or bringing down the whole bouncer.

Closes: https://todo.sr.ht/~emersion/soju/139
 2021-11-15 21:40:17 +01:00
Simon Ser d870efa666 Add context support to Server.createUser 2021-11-08 20:29:14 +01:00
Simon Ser 8b3e5e7465 Plumb context in downstreamConn.handleMessageRegistered 
References: https://todo.sr.ht/~emersion/soju/141
 2021-11-08 18:11:24 +01:00
Simon Ser abe5f362db Turn CHATHISTORY and backlog limits into constants 2021-11-03 18:29:21 +01:00
Simon Ser ce69f00e3f msgstore: add context to messageStore methods 
This allows setting a hard timeout.
 2021-11-03 18:21:05 +01:00
Simon Ser 07c962018d Add title config option 
Closes: https://todo.sr.ht/~emersion/soju/146
 2021-11-02 22:38:07 +01:00
Simon Ser 4e35b4812f Fix missing imports in server.go 
Oops.
 2021-10-29 16:18:34 +02:00
Simon Ser aa407a46e6 Get rid of io.EOF errors in logs 
Closes: https://todo.sr.ht/~emersion/soju/150
 2021-10-29 16:03:04 +02:00
Simon Ser 9ec1f1a5b0 Add context args to Database interface 
This is a mecanical change, which just lifts up the context.TODO()
calls from inside the DB implementations to the callers.

Future work involves properly wiring up the contexts when it makes
sense.
 2021-10-18 19:15:15 +02:00
Simon Ser a9a066faac Add bouncer MOTD 
Closes: https://todo.sr.ht/~emersion/soju/137
 2021-10-13 10:58:34 +02:00
Simon Ser 94dbfff11d Add max-user-networks config option 2021-10-07 20:43:10 +02:00
Simon Ser f93616fb41 Add "server status" command 
Right now, it prints the number of active users and number of
downstream connections.
 2021-10-05 19:13:53 +02:00
Simon Ser 1626ffb97b Use isErrClosed in Server.Serve 2021-10-05 14:02:59 +02:00
Simon Ser 410ba47277 Close DB on shutdown 2021-10-05 11:53:38 +02:00
Simon Ser 5bedcd24e2 Add support for IRCv3 WebSocket text subprotocol 
Technically we aren't spec-compliant since we don't serve
binary.ircv3.net. Any complaints will be redirected to /dev/null.
 2021-09-28 21:25:06 +02:00
Simon Ser d7b1c5a9a2 Allow admins to broadcast message to all bouncer users 
Typically done via:

    /notice $<bouncer> <message>

Or, for a connection not bound to a specific network:

    /notice $* <message>

The message is broadcast as BouncerServ, because that's the only
user that can be trusted to belong to the bouncer by users. Any
other prefix would conflict with the upstream network.
 2021-06-23 19:23:09 +02:00
Drew DeVault 61b68d6dfb db: refactor into interface 
This refactors the SQLite-specific bits into db_sqlite.go. A future
patch will add PostgreSQL support.
 2021-05-25 16:35:39 +02:00
Simon Ser 927ee80da1 Stop reading X-Forwarded-Port 
X-Forwarded-Port contains the destination port, not the source port,
so it isn't useful for our purposes.

Move parsing of X-Forwarded-* header fields to parseForwarded.
 2021-03-18 13:28:46 +01:00
Simon Ser 1b49fff763 Fix Forwarded HTTP header handling 
"for" contains the port, if any. "port" doesn't exist.
 2021-03-18 13:21:38 +01:00
Simon Ser 9046fda283 Add support for the Forwarded HTTP header 
This is the standard replacing X-Forwarded-*.
 2021-03-18 12:08:25 +01:00
Simon Ser 5b7205c9c1 Drop "irc" WebSocket subprotocol 
The subprotocol hasn't been standardized yet. It looks like the standard
is moving in another direction.
 2021-03-18 12:02:36 +01:00
Simon Ser 08b1010939 Add support for graceful shutdown 
Closes: https://todo.sr.ht/~emersion/soju/45
 2021-02-09 17:34:46 +01:00
Simon Ser 92fece5cd4
Nuke in-memory ring buffer 
Instead, always read chat history from logs. Unify the implicit chat
history (pushing history to clients) and explicit chat history
(via the CHATHISTORY command).

Instead of keeping track of ring buffer cursors for each client, use
message IDs.

If necessary, the ring buffer could be re-introduced behind a
common MessageStore interface (could be useful when on-disk logs are
disabled).

References: https://todo.sr.ht/~emersion/soju/80
 2020-08-20 20:05:01 +02:00
Simon Ser bdb132ad98
Implement rate limiting for upstream messages 
Allow up to 10 outgoing messages in a burst, then throttle to 1 message
each 2 seconds.

Closes: https://todo.sr.ht/~emersion/soju/87
 2020-08-19 19:42:33 +02:00
Simon Ser 65302d3c1e
Add an ident server 
Closes: https://todo.sr.ht/~emersion/soju/69
 2020-08-11 10:59:06 +02:00
Simon Ser 6598fcf36e
Remove user from Server map when stopped 2020-08-10 15:03:38 +02:00
Simon Ser ef2dd479bf
Add accept-proxy-ip config directive 
This allows to set the list of IPs allowed to act as a proxy. This is
only used for WebSockets right now, but will be expanded to TCP as well
once the PROXY protocol is supported.
 2020-07-22 17:03:01 +02:00
Simon Ser 82990fb774
Accept "irc" WebSocket subprotocol 2020-07-02 11:05:49 +02:00
Simon Ser 3397965dea
Add RemoteAddr to ircConn interface 2020-07-01 17:02:37 +02:00