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More invite support (#979)

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* Update gomatixserverlib

* Try to build invite stripped state if not given to us

* SendInvite improvements

* Transpose invite_room_state into invite_state.events for sync API

* Remove syncapi debugging output

* Use RespInviteV2

* Update gomatrixserverlib

* Send the invite event as a normal roomserver event too, for incorporating into room (should this be done by the roomserver automatically for invite inputs?)

* Federation sender use invite_room_state, room server try to insert membership state

* Check supported room versions on the invite endpoint

* Prevent roomserver query API from trying to handle requests for stub rooms

* Adding a nolint

* Replace IsRoomStub with RoomNIDExcludingStubs, fix query API to use that instead

* Review comments
This commit is contained in:
Neil Alexander 2020-04-24 16:30:25 +01:00 • committed by GitHub
parent be558f02aa
commit 3ab8ebf6b8
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16 changed files with 175 additions and 77 deletions
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48
federationsender/consumers/roomserver.go
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@ -28,6 +28,7 @@ import (
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/gomatrixserverlib"
log "github.com/sirupsen/logrus"
"github.com/tidwall/gjson"
)
// OutputRoomEventConsumer consumes events that originated in the room server.
@ -187,49 +188,12 @@ func (s *OutputRoomEventConsumer) processInvite(oie api.OutputNewInviteEvent) er
return nil
}
// When sending a v2 invite, the inviting server should try and include
// a "stripped down" version of the room state. This is pretty much just
// enough information for the remote side to show something useful to the
// user, like the room name, aliases etc.
// Try to extract the room invite state. The roomserver will have stashed
// this for us in invite_room_state if it didn't already exist.
strippedState := []gomatrixserverlib.InviteV2StrippedState{}
stateWanted := []string{
gomatrixserverlib.MRoomName, gomatrixserverlib.MRoomCanonicalAlias,
gomatrixserverlib.MRoomAliases, gomatrixserverlib.MRoomJoinRules,
}
// For each of the state keys that we want to try and send, ask the
// roomserver if we have a state event for that room that matches the
// state key.
for _, wanted := range stateWanted {
queryReq := api.QueryLatestEventsAndStateRequest{
RoomID: oie.Event.RoomID(),
StateToFetch: []gomatrixserverlib.StateKeyTuple{
gomatrixserverlib.StateKeyTuple{
EventType: wanted,
StateKey: "",
},
},
}
// If this fails then we just move onto the next event - we don't
// actually know at this point whether the room even has that type
// of state.
queryRes := api.QueryLatestEventsAndStateResponse{}
if err := s.query.QueryLatestEventsAndState(context.TODO(), &queryReq, &queryRes); err != nil {
log.WithFields(log.Fields{
"room_id": queryReq.RoomID,
"event_type": wanted,
}).WithError(err).Info("couldn't find state to strip")
continue
}
// Append the stripped down copy of the state to our list.
for _, headeredEvent := range queryRes.StateEvents {
event := headeredEvent.Unwrap()
strippedState = append(strippedState, gomatrixserverlib.NewInviteV2StrippedState(&event))
log.WithFields(log.Fields{
"room_id": queryReq.RoomID,
"event_type": event.Type(),
}).Info("adding stripped state")
if inviteRoomState := gjson.GetBytes(oie.Event.Unsigned(), "invite_room_state"); inviteRoomState.Exists() {
if err := json.Unmarshal([]byte(inviteRoomState.Raw), &strippedState); err != nil {
log.WithError(err).Warn("failed to extract invite_room_state from event unsigned")
}
}