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Don't apply his vis checks on shared rooms

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This commit is contained in:
Kegan Dougal 2020-10-02 15:56:42 +01:00
parent 190778c49b
commit 7b47e8456e
1 changed files with 29 additions and 6 deletions
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35
syncapi/routing/messages.go
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@ -274,17 +274,19 @@ func (r *messagesReq) filterHistoryVisible(events []gomatrixserverlib.HeaderedEv
}
}
var result []gomatrixserverlib.HeaderedEvent
var eventsToCheck []gomatrixserverlib.HeaderedEvent
if joinEventIndex != -1 {
if r.backwardOrdering {
events = events[:joinEventIndex+1]
eventsToCheck = append(eventsToCheck, events[0])
result = events[:joinEventIndex+1]
eventsToCheck = append(eventsToCheck, result[0])
} else {
events = events[joinEventIndex:]
eventsToCheck = append(eventsToCheck, events[len(events)-1])
result = events[joinEventIndex:]
eventsToCheck = append(eventsToCheck, result[len(result)-1])
}
} else {
eventsToCheck = []gomatrixserverlib.HeaderedEvent{events[0], events[len(events)-1]}
result = events
}
// make sure the user was in the room for both the earliest and latest events, we need this because
// some backpagination results will not have the join event (e.g if they hit /messages at the join event itself)
@ -296,6 +298,7 @@ func (r *messagesReq) filterHistoryVisible(events []gomatrixserverlib.HeaderedEv
PrevEventIDs: ev.PrevEventIDs(),
StateToFetch: []gomatrixserverlib.StateKeyTuple{
{EventType: gomatrixserverlib.MRoomMember, StateKey: r.device.UserID},
{EventType: gomatrixserverlib.MRoomHistoryVisibility, StateKey: ""},
},
}, &queryRes)
if err != nil {
@ -306,7 +309,27 @@ func (r *messagesReq) filterHistoryVisible(events []gomatrixserverlib.HeaderedEv
wasJoined = false
break
}
membership, err := queryRes.StateEvents[0].Membership()
var hisVisEvent, membershipEvent *gomatrixserverlib.HeaderedEvent
for i := range queryRes.StateEvents {
switch queryRes.StateEvents[i].Type() {
case gomatrixserverlib.MRoomMember:
membershipEvent = &queryRes.StateEvents[i]
case gomatrixserverlib.MRoomHistoryVisibility:
hisVisEvent = &queryRes.StateEvents[i]
}
}
if membershipEvent == nil {
wasJoined = false
break
}
if hisVisEvent == nil {
return events // apply no filtering as it defaults to Shared.
}
hisVis, _ := hisVisEvent.HistoryVisibility()
if hisVis == "shared" {
return events // apply no filtering
}
membership, err := membershipEvent.Membership()
if err != nil {
wasJoined = false
break
@ -320,7 +343,7 @@ func (r *messagesReq) filterHistoryVisible(events []gomatrixserverlib.HeaderedEv
util.GetLogger(r.ctx).WithField("num_events", len(events)).Warnf("%s was not joined to room during these events, omitting them", r.device.UserID)
return []gomatrixserverlib.HeaderedEvent{}
}
return events
return result
}
func (r *messagesReq) getStartEnd(events []gomatrixserverlib.HeaderedEvent) (start, end types.TopologyToken, err error) {