Issues with messages (including a crash)

[guilhermepiccoli]

Hi @42wim, I see you are actively refactoring the code, thanks for that firstly! It's glad to see this great project getting improved =)

So, this issue is a mix of some small issues (and a crash) I'm seeing when dealing with mattermost messages using matterircd; I suspect/feel that all of those have the same root cause, so I'll list the issues and my reasoning about them:

1. If I go to the webclient and send a message to myself, matterircd crashes...after it's back (i.e., when I restart matterircd), the message is replayed back to me as coming from "mattermost" user!

2. If I'm talking with my colleague Mr. X in matterircd, through messages, and go to web-client to send him a message (like a code or something), it shows in matterircd as coming from myself, even the channel/window of my conversation with Mr. X being opened in my IRC client.

3. If we’re on a message/conversation “channel” on IRC and the mattermost user edits a message, irc-user does not receive the (edited) message (though in a regular channel it works).

So, specially for (1) and (2), it seems there's a kind of "indirection" on how matterircd handles messages. If I send a message to some user in web client matterircd handles that as a message to myself. If I indeed send a message to myself, it crashes - it's a like a dereference that got NIL due to this indirection!

I'm not sure if (3) is related or not, but I guess worth the report. Thanks again for the great piece of software =)

[42wim]

@guilhermepiccoli are those reports based on current master? because a lot of those should be fixed in master.

[guilhermepiccoli]

That's great news @42wim , thank you! I'm not running master from today (I guess my build was like 10 days ago). I will rebuild now and start to test, thanks!

[42wim]

master contains the refactor and fixes, also be sure to read the changelog.md some things have changed

[guilhermepiccoli]

Issues (1) and (2) still exist.

Issue (3) seems to be fixed! Thanks.

But I've noticed something odd; I've sent a message to a friend and he didn't got (didn't show in the web client). Then I've sent a test message in the web client and the message that didn't go before, went with my test, as if it was "stuck" in a buffer or anything like that. After this event, it seems I'm being able to use the messages again, normally...

[42wim]

If I'm talking with my colleague Mr. X in matterircd, through messages, and go to web-client to send him a message (like a code or something), it shows in matterircd as coming from myself, even the channel/window of my conversation with Mr. X being opened in my IRC client.

That's normal because it is coming from yourself?

[guilhermepiccoli]

If I'm talking with my colleague Mr. X in matterircd, through messages, and go to web-client to send him a message (like a code or something), it shows in matterircd as coming from myself, even the channel/window of my conversation with Mr. X being opened in my IRC client.

That's normal because it is coming from yourself?

Hmm..not sure! Imagine I'm talking with mr. X in IRC, so there's a channel/window open with our talk. I assume this channel has an id or something like that...that's the way the channel was created in the first message between me and mr. X. Then I go on web client for some reason and send like a code...it opens a different window on IRC, like the message was from me, to me! It completely messes the logs and whatnot, I feel it should dump that message in the same channel/window I was talking with mr. X, right?

[42wim]

oh no, that's not correct, it should dump it in the same window as your chat with mr X.. I thought this was fixed.
what irc client are you using and what mattermost version?

[guilhermepiccoli]

Thank you @42wim =)
I'm using matterircd from today's master, znc connected to it and hexchat connected to ZNC.

Checking company's "about mattermost" , I see the following info:

Mattermost Version: 5.23.1
Database Schema Version: 5.23.0
Database: postgres

[42wim]

could you try with irssi+matterircd? just to be sure that's not your client (I can't test right now)

[guilhermepiccoli]

Very interesting, testing with weechat+matterircd directly, issue (2) seems to be solved. But issue (1) the crash is reproducible.

This is the backtrace from issue (1):

DEBU[0535] MMUser WsReceiver: &model.WebSocketEvent{Event:"posted", Data:map[string]interface {}{"channel_display_name":"@gpiccoli", "channel_name":"hz8pyxhqup83dn939ogjx1yufh__hz8pyxhqup83dn939ogjx1yufh", "channel_type":"D", "post":"{"id":"qnixf6db1fyobb8wtikzf6wkfo","create_at":1597182513845,"update_at":1597182513845,"edit_at":0,"delete_at":0,"is_pinned":false,"user_id":"hz8pyxhqup83dn939ogjx1yufh","channel_id":"fhu9myrpktbj8c874zuu65bewe","root_id":"","parent_id":"","original_id":"","message":"whohoo","type":"","props":{"disable_group_highlight":true},"hashtags":"","pending_post_id":"hz8pyxhqup83dn939ogjx1yufh:1597182513726","reply_count":0,"metadata":{}}", "sender_name":"@gpiccoli", "team_id":""}, Broadcast:(*model.WebsocketBroadcast)(0xc0008222c0), Sequence:0, precomputedJSON:(*model.precomputedWebSocketEventJSON)(nil)}
DEBU[0535] handleWsActionPost() receiving userid hz8pyxhqup83dn939ogjx1yufh
panic: interface conversion: interface {} is nil, not string

goroutine 146 [running]:
github.com/42wim/matterircd/bridge/mattermost.(*Mattermost).handleWsActionPost(0xc000169f10, 0xc000917290)
/home/guilherme/src/matterircd/bridge/mattermost/mattermost.go:651 +0x1f6b
github.com/42wim/matterircd/bridge/mattermost.(*Mattermost).handleWsMessage(0xc000169f10)
/home/guilherme/src/matterircd/bridge/mattermost/mattermost.go:121 +0x2ff
created by github.com/42wim/matterircd/bridge/mattermost.(*Mattermost).loginToMattermost
/home/guilherme/src/matterircd/bridge/mattermost/mattermost.go:87 +0x311

[42wim]

Issue 1 is now fixed too in master, as are probably other weird DM issues

[guilhermepiccoli]

Thanks, tested and indeed it's fixed! Appreciate your promptness =)