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fix #484

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This commit is contained in:
Shivaram Lingamneni 2020-10-02 08:13:52 -04:00
parent 4a7ca14bdc
commit 8c99dcb2c7
6 changed files with 102 additions and 30 deletions
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104
irc/channel.go
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@ -439,8 +439,12 @@ func (channel *Channel) regenerateMembersCache() {
// Names sends the list of users joined to the channel to the given client.
func (channel *Channel) Names(client *Client, rb *ResponseBuffer) {
isJoined := channel.hasClient(client)
channel.stateMutex.RLock()
clientModes, isJoined := channel.members[client]
channel.stateMutex.RUnlock()
isOper := client.HasMode(modes.Operator)
respectAuditorium := channel.flags.HasMode(modes.Auditorium) && !isOper &&
(!isJoined || clientModes.HighestChannelUserMode() == modes.Mode(0))
isMultiPrefix := rb.session.capabilities.Has(caps.MultiPrefix)
isUserhostInNames := rb.session.capabilities.Has(caps.UserhostInNames)
@ -464,6 +468,9 @@ func (channel *Channel) Names(client *Client, rb *ResponseBuffer) {
if !isJoined && target.HasMode(modes.Invisible) && !isOper {
continue
}
if respectAuditorium && modeSet.HighestChannelUserMode() == modes.Mode(0) {
continue
}
prefix := modeSet.Prefixes(isMultiPrefix)
if buffer.Len()+len(nick)+len(prefix)+1 > maxNamLen {
namesLines = append(namesLines, buffer.String())
@ -748,8 +755,9 @@ func (channel *Channel) Join(client *Client, key string, isSajoin bool, rb *Resp
}()
var message utils.SplitMessage
respectAuditorium := givenMode == modes.Mode(0) && channel.flags.HasMode(modes.Auditorium)
// no history item for fake persistent joins
if rb != nil {
if rb != nil && !respectAuditorium {
message = utils.MakeMessage("")
histItem := history.Item{
Type: history.Join,
@ -772,6 +780,14 @@ func (channel *Channel) Join(client *Client, key string, isSajoin bool, rb *Resp
isAway, awayMessage := client.Away()
for _, member := range channel.Members() {
if respectAuditorium {
channel.stateMutex.RLock()
memberModes, ok := channel.members[member]
channel.stateMutex.RUnlock()
if !ok || memberModes.HighestChannelUserMode() == modes.Mode(0) {
continue
}
}
for _, session := range member.Sessions() {
if session == rb.session {
continue
@ -889,8 +905,12 @@ func (channel *Channel) playJoinForSession(session *Session) {
// Part parts the given client from this channel, with the given message.
func (channel *Channel) Part(client *Client, message string, rb *ResponseBuffer) {
chname := channel.Name()
if !channel.hasClient(client) {
channel.stateMutex.RLock()
chname := channel.name
clientModes, ok := channel.members[client]
channel.stateMutex.RUnlock()
if !ok {
rb.Add(nil, client.server.name, ERR_NOTONCHANNEL, client.Nick(), chname, client.t("You're not on that channel"))
return
}
@ -905,7 +925,17 @@ func (channel *Channel) Part(client *Client, message string, rb *ResponseBuffer)
if message != "" {
params = append(params, message)
}
respectAuditorium := channel.flags.HasMode(modes.Auditorium) &&
clientModes.HighestChannelUserMode() == modes.Mode(0)
for _, member := range channel.Members() {
if respectAuditorium {
channel.stateMutex.RLock()
memberModes, ok := channel.members[member]
channel.stateMutex.RUnlock()
if !ok || memberModes.HighestChannelUserMode() == modes.Mode(0) {
continue
}
}
member.sendFromClientInternal(false, splitMessage.Time, splitMessage.Msgid, details.nickMask, details.accountName, nil, "PART", params...)
}
rb.AddFromClient(splitMessage.Time, splitMessage.Msgid, details.nickMask, details.accountName, nil, "PART", params...)
@ -915,12 +945,14 @@ func (channel *Channel) Part(client *Client, message string, rb *ResponseBuffer)
}
}
channel.AddHistoryItem(history.Item{
Type: history.Part,
Nick: details.nickMask,
AccountName: details.accountName,
Message: splitMessage,
}, details.account)
if !respectAuditorium {
channel.AddHistoryItem(history.Item{
Type: history.Part,
Nick: details.nickMask,
AccountName: details.accountName,
Message: splitMessage,
}, details.account)
}
client.server.logger.Debug("part", fmt.Sprintf("%s left channel %s", details.nick, chname))
}
@ -951,20 +983,24 @@ func (channel *Channel) resumeAndAnnounce(session *Session) {
// send join for old clients
chname := channel.Name()
details := session.client.Details()
for _, member := range channel.Members() {
for _, session := range member.Sessions() {
if session.capabilities.Has(caps.Resume) {
continue
}
// TODO: for now, skip this entirely for auditoriums,
// but really we should send it to voiced clients
if !channel.flags.HasMode(modes.Auditorium) {
for _, member := range channel.Members() {
for _, session := range member.Sessions() {
if session.capabilities.Has(caps.Resume) {
continue
}
if session.capabilities.Has(caps.ExtendedJoin) {
session.Send(nil, details.nickMask, "JOIN", chname, details.accountName, details.realname)
} else {
session.Send(nil, details.nickMask, "JOIN", chname)
}
if session.capabilities.Has(caps.ExtendedJoin) {
session.Send(nil, details.nickMask, "JOIN", chname, details.accountName, details.realname)
} else {
session.Send(nil, details.nickMask, "JOIN", chname)
}
if 0 < len(oldModes) {
session.Send(nil, channel.server.name, "MODE", chname, oldModes, details.nick)
if 0 < len(oldModes) {
session.Send(nil, channel.server.name, "MODE", chname, oldModes, details.nick)
}
}
}
}
@ -1451,6 +1487,30 @@ func (channel *Channel) Invite(invitee *Client, inviter *Client, rb *ResponseBuf
}
}
// returns who the client can "see" in the channel, respecting the auditorium mode
func (channel *Channel) auditoriumFriends(client *Client) (friends []*Client) {
channel.stateMutex.RLock()
defer channel.stateMutex.RUnlock()
clientModes := channel.members[client]
if clientModes == nil {
return // non-members have no friends
}
if !channel.flags.HasMode(modes.Auditorium) {
return channel.membersCache // default behavior for members
}
if clientModes.HighestChannelUserMode() != modes.Mode(0) {
return channel.membersCache // +v and up can see everyone in the auditorium
}
// without +v, your friends are those with +v and up
for member, memberModes := range channel.members {
if memberModes.HighestChannelUserMode() != modes.Mode(0) {
friends = append(friends, member)
}
}
return
}
// data for RPL_LIST
func (channel *Channel) listData() (memberCount int, name, topic string) {
channel.stateMutex.RLock()