soju/bridge.go
2022-05-30 09:12:28 +02:00

89 lines
2.3 KiB
Go

package soju
import (
"context"
"fmt"
"strconv"
"gopkg.in/irc.v3"
"git.sr.ht/~emersion/soju/xirc"
)
func forwardChannel(ctx context.Context, dc *downstreamConn, ch *upstreamChannel) {
if !ch.complete {
panic("Tried to forward a partial channel")
}
// RPL_NOTOPIC shouldn't be sent on JOIN
if ch.Topic != "" {
sendTopic(dc, ch)
}
if dc.caps.IsEnabled("soju.im/read") {
channelCM := ch.conn.network.casemap(ch.Name)
r, err := dc.srv.db.GetReadReceipt(ctx, ch.conn.network.ID, channelCM)
if err != nil {
dc.logger.Printf("failed to get the read receipt for %q: %v", ch.Name, err)
} else {
timestampStr := "*"
if r != nil {
timestampStr = fmt.Sprintf("timestamp=%s", xirc.FormatServerTime(r.Timestamp))
}
dc.SendMessage(&irc.Message{
Prefix: dc.prefix(),
Command: "READ",
Params: []string{dc.marshalEntity(ch.conn.network, ch.Name), timestampStr},
})
}
}
if !dc.caps.IsEnabled("soju.im/no-implicit-names") {
sendNames(dc, ch)
}
}
func sendTopic(dc *downstreamConn, ch *upstreamChannel) {
downstreamName := dc.marshalEntity(ch.conn.network, ch.Name)
if ch.Topic != "" {
dc.SendMessage(&irc.Message{
Prefix: dc.srv.prefix(),
Command: irc.RPL_TOPIC,
Params: []string{dc.nick, downstreamName, ch.Topic},
})
if ch.TopicWho != nil {
topicWho := dc.marshalUserPrefix(ch.conn.network, ch.TopicWho)
topicTime := strconv.FormatInt(ch.TopicTime.Unix(), 10)
dc.SendMessage(&irc.Message{
Prefix: dc.srv.prefix(),
Command: xirc.RPL_TOPICWHOTIME,
Params: []string{dc.nick, downstreamName, topicWho.String(), topicTime},
})
}
} else {
dc.SendMessage(&irc.Message{
Prefix: dc.srv.prefix(),
Command: irc.RPL_NOTOPIC,
Params: []string{dc.nick, downstreamName, "No topic is set"},
})
}
}
func sendNames(dc *downstreamConn, ch *upstreamChannel) {
downstreamName := dc.marshalEntity(ch.conn.network, ch.Name)
var members []string
for _, entry := range ch.Members.innerMap {
nick := entry.originalKey
memberships := entry.value.(*xirc.MembershipSet)
s := formatMemberPrefix(*memberships, dc) + dc.marshalEntity(ch.conn.network, nick)
members = append(members, s)
}
msgs := xirc.GenerateNamesReply(dc.srv.prefix(), dc.nick, downstreamName, ch.Status, members)
for _, msg := range msgs {
dc.SendMessage(msg)
}
}