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Ignore events from other guilds, add nosendjoinpart support (discord) (#1846)

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* discord: add nosendjoinpart support

This allows the discord bridge to be configured with `nosendjoinpart`,
preventing discord-originating join/part messages from being send to
other bridged platforms.

* discord: Ignore incoming events for other guilds

Ignore all incoming discord events originating from Guild IDs other than
the one we have configured.
This is necessary because discord bots receive events for *all* discord
guilds that they are present in.

Fixes #1612
This commit is contained in:
Sam W 2022-06-24 22:50:48 +01:00 committed by GitHub
parent 8751fb4bb1
commit 5604d140e3
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 42 additions and 4 deletions
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2
bridge/discord/discord.go
View File

@ -83,12 +83,12 @@ func (b *Bdiscord) Connect() error {
b.Log.Info("Connection succeeded")
b.c.AddHandler(b.messageCreate)
b.c.AddHandler(b.messageTyping)
b.c.AddHandler(b.memberUpdate)
b.c.AddHandler(b.messageUpdate)
b.c.AddHandler(b.messageDelete)
b.c.AddHandler(b.messageDeleteBulk)
b.c.AddHandler(b.memberAdd)
b.c.AddHandler(b.memberRemove)
b.c.AddHandler(b.memberUpdate)
if b.GetInt("debuglevel") == 1 {
b.c.AddHandler(b.messageEvent)
}

38
bridge/discord/handlers.go
View File

@ -7,6 +7,10 @@ import (
)
func (b *Bdiscord) messageDelete(s *discordgo.Session, m *discordgo.MessageDelete) { //nolint:unparam
if m.GuildID != b.guildID {
b.Log.Debugf("Ignoring messageDelete because it originates from a different guild")
return
}
rmsg := config.Message{Account: b.Account, ID: m.ID, Event: config.EventMsgDelete, Text: config.EventMsgDelete}
rmsg.Channel = b.getChannelName(m.ChannelID)
@ -17,6 +21,10 @@ func (b *Bdiscord) messageDelete(s *discordgo.Session, m *discordgo.MessageDelet
// TODO(qaisjp): if other bridges support bulk deletions, it could be fanned out centrally
func (b *Bdiscord) messageDeleteBulk(s *discordgo.Session, m *discordgo.MessageDeleteBulk) { //nolint:unparam
if m.GuildID != b.guildID {
b.Log.Debugf("Ignoring messageDeleteBulk because it originates from a different guild")
return
}
for _, msgID := range m.Messages {
rmsg := config.Message{
Account: b.Account,
@ -37,6 +45,10 @@ func (b *Bdiscord) messageEvent(s *discordgo.Session, m *discordgo.Event) {
}
func (b *Bdiscord) messageTyping(s *discordgo.Session, m *discordgo.TypingStart) {
if m.GuildID != b.guildID {
b.Log.Debugf("Ignoring messageTyping because it originates from a different guild")
return
}
if !b.GetBool("ShowUserTyping") {
return
}
@ -52,6 +64,10 @@ func (b *Bdiscord) messageTyping(s *discordgo.Session, m *discordgo.TypingStart)
}
func (b *Bdiscord) messageUpdate(s *discordgo.Session, m *discordgo.MessageUpdate) { //nolint:unparam
if m.GuildID != b.guildID {
b.Log.Debugf("Ignoring messageUpdate because it originates from a different guild")
return
}
if b.GetBool("EditDisable") {
return
}
@ -67,6 +83,10 @@ func (b *Bdiscord) messageUpdate(s *discordgo.Session, m *discordgo.MessageUpdat
}
func (b *Bdiscord) messageCreate(s *discordgo.Session, m *discordgo.MessageCreate) { //nolint:unparam
if m.GuildID != b.guildID {
b.Log.Debugf("Ignoring messageCreate because it originates from a different guild")
return
}
var err error
// not relay our own messages
@ -144,6 +164,10 @@ func (b *Bdiscord) messageCreate(s *discordgo.Session, m *discordgo.MessageCreat
}
func (b *Bdiscord) memberUpdate(s *discordgo.Session, m *discordgo.GuildMemberUpdate) {
if m.GuildID != b.guildID {
b.Log.Debugf("Ignoring memberUpdate because it originates from a different guild")
return
}
if m.Member == nil {
b.Log.Warnf("Received member update with no member information: %#v", m)
}
@ -171,6 +195,13 @@ func (b *Bdiscord) memberUpdate(s *discordgo.Session, m *discordgo.GuildMemberUp
}
func (b *Bdiscord) memberAdd(s *discordgo.Session, m *discordgo.GuildMemberAdd) {
if m.GuildID != b.guildID {
b.Log.Debugf("Ignoring memberAdd because it originates from a different guild")
return
}
if b.GetBool("nosendjoinpart") {
return
}
if m.Member == nil {
b.Log.Warnf("Received member update with no member information: %#v", m)
return
@ -192,6 +223,13 @@ func (b *Bdiscord) memberAdd(s *discordgo.Session, m *discordgo.GuildMemberAdd)
}
func (b *Bdiscord) memberRemove(s *discordgo.Session, m *discordgo.GuildMemberRemove) {
if m.GuildID != b.guildID {
b.Log.Debugf("Ignoring memberRemove because it originates from a different guild")
return
}
if b.GetBool("nosendjoinpart") {
return
}
if m.Member == nil {
b.Log.Warnf("Received member update with no member information: %#v", m)
return

6
matterbridge.toml.sample
View File

@ -197,7 +197,7 @@ ShowJoinPart=false
VerboseJoinPart=false
#Do not send joins/parts to other bridges
#Currently works for messages from the following bridges: irc, mattermost, slack
#Currently works for messages from the following bridges: irc, mattermost, slack, discord
#OPTIONAL (default false)
NoSendJoinPart=false
@ -496,7 +496,7 @@ RemoteNickFormat="[{PROTOCOL}] <{NICK}> "
ShowJoinPart=false
#Do not send joins/parts to other bridges
#Currently works for messages from the following bridges: irc, mattermost, slack
#Currently works for messages from the following bridges: irc, mattermost, slack, discord
#OPTIONAL (default false)
NoSendJoinPart=false
@ -830,7 +830,7 @@ RemoteNickFormat="[{PROTOCOL}] <{NICK}> "
ShowJoinPart=false
#Do not send joins/parts to other bridges
#Currently works for messages from the following bridges: irc, mattermost, slack
#Currently works for messages from the following bridges: irc, mattermost, slack, discord
#OPTIONAL (default false)
NoSendJoinPart=false