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997fe723f0
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265 Commits

Author SHA1 Message Date
Simon Ser
997fe723f0 xirc: move ChannelStatus over 2022-05-29 17:28:25 +02:00
Simon Ser
4af7a1b8e5 Rename join to generateJoin 
For consistency with other functions.
 2022-05-09 17:20:17 +02:00
Simon Ser
c50fb4a26d xirc: move command constants over 2022-05-09 17:18:51 +02:00
Simon Ser
b92afa7cca Introduce an xirc package 2022-05-09 16:15:00 +02:00
Simon Ser
3a7dee8128 Introduce a database package 2022-05-09 15:08:04 +02:00
Simon Ser
27f21eab94 upstream: fix panic in isChannel 
Fixes the following:

    goroutine 4380762 [running]:
    runtime/debug.Stack()
    	runtime/debug/stack.go:24 +0x65
    git.sr.ht/~emersion/soju.(*Server)addUserLocked.func1.1()
    	git.sr.ht/~emersion/soju/server.go:318 +0x66
    panic({0x563f090c4460, 0xc002bff998})
    	runtime/panic.go:1038 +0x215
    git.sr.ht/~emersion/soju.(*upstreamConn).isChannel(...)
    	git.sr.ht/~emersion/soju/upstream.go:288
    git.sr.ht/~emersion/soju.(*downstreamConn).handleMessageRegistered(0xc00c23a000, {0x563f0910eb20, 0xc0027539e0}, 0xc01b8d6240)
    	git.sr.ht/~emersion/soju/downstream.go:1836 +0xd4ec
    git.s.ht/~emersion/soju.(*downstreamConn).handleMessage(0xc00c3a000, {0x563f0910eae8, 0xc000026058}, 0xc01b8d6240)
    	git.sr.ht/~emersion/soju/downstream.go:697 +0xde
    git.sr.ht/~emersion/soju.(*user).run(0xc00be4a0b0)
    	git.sr.ht/~emersion/soju/user.go:675 +0xbe5
    git.sr.ht/~emersion/soju.(*Server).addUserLocked.func1()
    	git.sr.ht/~emersion/soju/server.go:328 +0x70
 2022-05-07 09:28:53 +02:00
Simon Ser
d321fcd9f0 upstream: fix missing WHOIS in abortPendingCommands 
Fixes the following panic:

    2022/05/03 08:05:32 panic serving user "asdf": Unsupported pending command "WHOIS"
    goroutine 15 [running]:
    runtime/debug.Stack()
            /opt/go/src/runtime/debug/stack.go:24 +0x65
    git.sr.ht/~emersion/soju.(*Server).addUserLocked.func1.1()
            ~/soju/server.go:317 +0x5d
    panic({0xa18da0, 0x6815bf10})
            /opt/go/src/runtime/panic.go:838 +0x207
    git.sr.ht/~emersion/soju.(*upstreamConn).abortPendingCommands(0x6811c9c0)
            ~/soju/upstream.go:338 +0x953
    git.sr.ht/~emersion/soju.(*user).handleUpstreamDisconnected(0x680b7080, 0x6811c9c0)
            ~/soju/user.go:744 +0x6d
    git.sr.ht/~emersion/soju.(*user).updateNetwork(0x680b7080, {0xb99a00, 0x684690e0}, 0x681343c0)
            ~/soju/user.go:936 +0x387
    git.sr.ht/~emersion/soju.handleServiceNetworkUpdate({0xb99a00, 0x684690e0}, 0x68116000, {0x681b8a20?, 0x40429108?, 0x10?})
            ~/soju/service.go:590 +0x14f
    git.sr.ht/~emersion/soju.handleServicePRIVMSG({0xb99a00, 0x684690e0}, 0x68116000, {0x680af5d5?, 0x1?})
            ~/soju/service.go:146 +0x7df
    git.sr.ht/~emersion/soju.(*downstreamConn).handleMessageRegistered(0x68116000, {0xb99a00, 0x684690e0}, 0x681b8940)
            ~/soju/downstream.go:2503 +0x9e9e
    git.sr.ht/~emersion/soju.(*downstreamConn).handleMessage(0x68116000, {0xb999c8?, 0x680240a0?}, 0x681b8940)
            ~/soju/downstream.go:727 +0xde
    git.sr.ht/~emersion/soju.(*user).run(0x680b7080)
            ~/soju/user.go:690 +0xe05
    git.sr.ht/~emersion/soju.(*Server).addUserLocked.func1()
            ~/soju/server.go:327 +0x70
    created by git.sr.ht/~emersion/soju.(*Server).addUserLocked
            ~/soju/server.go:314 +0x178
 2022-05-03 08:33:20 +02:00
Simon Ser
2ba13fdefc upstream: use context to set connectToUpstream timeout 
This allows the timeout to apply to the whole sequence of
operations, as opposed to just Dial.
 2022-04-14 19:42:02 +02:00
delthas
abe5291b62 Add support for the upstream echo-message capability 
This adds support for upstream echo-message. This capability is
enabled when the upstream supports labeled-response.

When it is enabled, we don't echo downstream messages in the downstream
handler, but rather wait for the upstream to echo it, to produce it to
downstreams.

When it is disabled, we keep the same behaviour as before: produce the
message to all downstreams as soon as it is received from the
downstream.

In other words, the main functional difference is that when the upstream
supports labeled-response, the client will now receive an echo for its
messages when the server acknowledges them, rather than when soju acks
them.

Additionally, uc.produce was refactored to take an ID rather than a
downstream.
 2022-04-11 17:27:47 +02:00
delthas
12577c10bb upstream: handle CAP ACK -name 
We'll need this for echo-message.
 2022-04-11 17:27:47 +02:00
Simon Ser
fb20cff45b upstream: pass context to upstreamConn.requestCaps 2022-04-04 13:43:00 +02:00
Simon Ser
846c99dedc Queue WHOIS commands 
This avoids having more than one in flight at a time (avoids
hitting rate limits a bit) and routes back replies to the correct
downstream connection (even if labeled-response isn't supported).

Closes: https://todo.sr.ht/~emersion/soju/193
 2022-04-04 09:58:26 +02:00
Simon Ser
57eb54fb34 upstream: use labeled-response for queued commands 2022-04-04 09:55:32 +02:00
Simon Ser
747263fc2d Simplify and improve WHOIS forwarding 
Group together most WHOIS replies. While at it, add a few missing
replies.
 2022-04-04 09:28:04 +02:00
Simon Ser
16e43ee3a3 upstream: don't populate time tag for numerics 
Allows us to save a few bytes, e.g. in WHO replies.
 2022-03-22 21:14:02 +01:00
Simon Ser
09513e63fe Remove unnecessary zero initialization 2022-03-22 21:10:06 +01:00
Simon Ser
5defd29509 Ensure all incoming messages have a prefix set 
Per the spec:

> If the source is missing from a message, it’s is assumed to have originated
> from the client/server on the other end of the connection the message was
> received on.
 2022-03-21 17:01:15 +01:00
Simon Ser
e403b88a3d Add support for chghost 2022-03-21 16:30:58 +01:00
Simon Ser
78d9a84a6f Add support for RPL_VISIBLEHOST 2022-03-21 16:09:45 +01:00
Simon Ser
6e094b1099 Use capRegistry for upstreamConn 2022-03-14 19:25:49 +01:00
Simon Ser
74fd506fef Use capRegistry for downstreamConn 2022-03-14 19:25:49 +01:00
Simon Ser
fdf9727600 Mark BouncerServ as online in MONITOR, don't forward to upstream 2022-03-08 21:29:04 +01:00
Simon Ser
9a79c66921 upstream: use network case-mapping in updateMonitor 
We were using the downstream case-mapping.
 2022-03-08 21:27:43 +01:00
Simon Ser
1a56b2f658 Introduce formatServerTime 
It's too easy to forget to convert to UTC.
 2022-02-16 14:45:09 +01:00
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
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
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
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
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
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
b6c47a517c Use more descriptive errors when aborting pending commands 2021-12-06 22:33:50 +01:00
Simon Ser
d7f7e351af Improve msgStore.Append log message wording 2021-12-06 18:46:10 +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
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
73287f242e Add context to connectToUpstream 2021-12-02 10:53:43 +01:00
Simon Ser
23fd727618 Add support for draft/account-registration proxying 
This adds support for the draft/account-registration extension [1].
This allows downstreams to register on upstream networks.

[1]: https://ircv3.net/specs/extensions/account-registration
 2021-11-30 12:02:54 +01:00
Simon Ser
e3d7c33bcd Remove sasl cap after registration if network doesn't support it 
This will stop clients from trying to issue AUTHENTICATE requests
after connection registration.
 2021-11-21 16:28:38 +01:00
Simon Ser
313c6e7f97 Add support for post-connection-registration upstream SASL auth 
Once the downstream connection has logged in with their bouncer
credentials, allow them to issue more SASL auths which will be
redirected to the upstream network. This allows downstream clients
to provide UIs to login to transparently login to upstream networks.
 2021-11-21 16:10:54 +01:00
Simon Ser
c2a5461cb8 Use RPL_LOGGEDIN/OUT to mirror upstream status 
This will allow clients to properly show/hide UI to login and
register.
 2021-11-19 19:21:48 +01:00
Simon Ser
c6f5508765 Add missing account-notify to permanentUpstreamCaps 2021-11-19 11:55:22 +01:00
Simon Ser
5a5c93a756 Add message counter metrics 2021-11-17 15:58:19 +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