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3a7dee8128
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103 Commits

Author SHA1 Message Date
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
Simon Ser
a9887114d5
Only read X-Forwarded-* if remote address is loopback 2020-06-29 18:33:23 +02:00
Simon Ser
2c172fa8ca
Extract X-Forwarded-* headers for WebSocket connections 2020-06-29 18:27:43 +02:00
delthas
5be25711c7 Add support for the user create admin service command 
This adds support for user create, a new service command only accessible
to admin users. This lets users create other users on the fly and makes
soju start the user routine immediately; unlike sojuctl which currently
requires closing soju, creating the user, and starting soju again.
 2020-06-08 22:30:09 +02:00