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Reply support for Matrix (#1664)

* Post replies to matrix

* Handle replies from matrix

* Include protocol in canonical ID return

* fmt
This commit is contained in:
vpzomtrrfrt 2022-01-09 14:46:59 -08:00 committed by GitHub
parent 16ab4c6fed
commit 9a8ce9b17e
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2 changed files with 83 additions and 4 deletions

View File

@ -65,6 +65,19 @@ type EditedMessage struct {
matrix.TextMessage
}
type InReplyToRelationContent struct {
EventID string `json:"event_id"`
}
type InReplyToRelation struct {
InReplyTo InReplyToRelationContent `json:"m.in_reply_to"`
}
type ReplyMessage struct {
RelatedTo InReplyToRelation `json:"m.relates_to"`
matrix.TextMessage
}
func New(cfg *bridge.Config) bridge.Bridger {
b := &Bmatrix{Config: cfg}
b.RoomMap = make(map[string]string)
@ -275,6 +288,38 @@ func (b *Bmatrix) Send(msg config.Message) (string, error) {
return resp.EventID, err
}
if msg.ParentValid() {
m := ReplyMessage{
TextMessage: matrix.TextMessage{
MsgType: "m.text",
Body: username.plain + msg.Text,
FormattedBody: username.formatted + helper.ParseMarkdown(msg.Text),
},
}
m.RelatedTo = InReplyToRelation{
InReplyTo: InReplyToRelationContent{
EventID: msg.ParentID,
},
}
var (
resp *matrix.RespSendEvent
err error
)
err = b.retry(func() error {
resp, err = b.mc.SendMessageEvent(channel, "m.room.message", m)
return err
})
if err != nil {
return "", err
}
return resp.EventID, err
}
// Post normal message with HTML support (eg riot.im)
var (
resp *matrix.RespSendEvent
@ -341,6 +386,35 @@ func (b *Bmatrix) handleEdit(ev *matrix.Event, rmsg config.Message) bool {
return true
}
func (b *Bmatrix) handleReply(ev *matrix.Event, rmsg config.Message) bool {
relationInterface, present := ev.Content["m.relates_to"]
if !present {
return false
}
var relation InReplyToRelation
if err := interface2Struct(relationInterface, &relation); err != nil {
// probably fine
return false
}
body := rmsg.Text
for strings.HasPrefix(body, "> ") {
lineIdx := strings.IndexRune(body, '\n')
if lineIdx == -1 {
body = ""
} else {
body = body[(lineIdx + 1):]
}
}
rmsg.Text = body
rmsg.ParentID = relation.InReplyTo.EventID
b.Remote <- rmsg
return true
}
func (b *Bmatrix) handleMemberChange(ev *matrix.Event) {
// Update the displayname on join messages, according to https://matrix.org/docs/spec/client_server/r0.6.1#events-on-change-of-profile-information
if ev.Content["membership"] == "join" {
@ -403,6 +477,11 @@ func (b *Bmatrix) handleEvent(ev *matrix.Event) {
return
}
// Is it a reply?
if b.handleReply(ev, rmsg) {
return
}
// Do we have attachments
if b.containsAttachment(ev.Content) {
err := b.handleDownloadFile(&rmsg, ev.Content)

View File

@ -66,7 +66,7 @@ func New(rootLogger *logrus.Logger, cfg *config.Gateway, r *Router) *Gateway {
func (gw *Gateway) FindCanonicalMsgID(protocol string, mID string) string {
ID := protocol + " " + mID
if gw.Messages.Contains(ID) {
return mID
return ID
}
// If not keyed, iterate through cache for downstream, and infer upstream.
@ -75,7 +75,7 @@ func (gw *Gateway) FindCanonicalMsgID(protocol string, mID string) string {
ids := v.([]*BrMsgID)
for _, downstreamMsgObj := range ids {
if ID == downstreamMsgObj.ID {
return strings.Replace(mid.(string), protocol+" ", "", 1)
return mid.(string)
}
}
}
@ -454,9 +454,9 @@ func (gw *Gateway) SendMessage(
msg.Channel = rmsg.Channel
}
msg.ParentID = gw.getDestMsgID(rmsg.Protocol+" "+canonicalParentMsgID, dest, channel)
msg.ParentID = gw.getDestMsgID(canonicalParentMsgID, dest, channel)
if msg.ParentID == "" {
msg.ParentID = canonicalParentMsgID
msg.ParentID = strings.Replace(canonicalParentMsgID, dest.Protocol+" ", "", 1)
}
// if the parentID is still empty and we have a parentID set in the original message