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Implement new RoomVersionImpl API (#3062)

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As outlined in https://github.com/matrix-org/gomatrixserverlib/pull/368

The main change Dendrite side is that `RoomVersion` no longer has any
methods on it. Instead, you need to bounce via `gmsl.GetRoomVersion`.

It's very interesting to see where exactly Dendrite cares about this.
For some places it's creating events (fine) but others are way more
specific. Those areas will need to migrate to GMSL at some point.
This commit is contained in:
kegsay 2023-04-21 17:06:29 +01:00 • committed by GitHub
parent 71eeccf34a
commit 1647213fac
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GPG key ID: 4AEE18F83AFDEB23
25 changed files with 144 additions and 65 deletions
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36
federationapi/internal/perform.go
View file

@ -201,8 +201,9 @@ func (r *FederationInternalAPI) performJoinUsingServer(
if respMakeJoin.RoomVersion == "" {
respMakeJoin.RoomVersion = setDefaultRoomVersionFromJoinEvent(respMakeJoin.JoinEvent)
}
if _, err = respMakeJoin.RoomVersion.EventFormat(); err != nil {
return fmt.Errorf("respMakeJoin.RoomVersion.EventFormat: %w", err)
verImpl, err := gomatrixserverlib.GetRoomVersion(respMakeJoin.RoomVersion)
if err != nil {
return err
}
// Build the join event.
@ -235,7 +236,7 @@ func (r *FederationInternalAPI) performJoinUsingServer(
// contain signatures that we don't know about.
if len(respSendJoin.Event) > 0 {
var remoteEvent *gomatrixserverlib.Event
remoteEvent, err = respMakeJoin.RoomVersion.NewEventFromUntrustedJSON(respSendJoin.Event)
remoteEvent, err = verImpl.NewEventFromUntrustedJSON(respSendJoin.Event)
if err == nil && isWellFormedMembershipEvent(
remoteEvent, roomID, userID,
) {
@ -464,8 +465,8 @@ func (r *FederationInternalAPI) performOutboundPeekUsingServer(
if respPeek.RoomVersion == "" {
respPeek.RoomVersion = gomatrixserverlib.RoomVersionV1
}
if _, err = respPeek.RoomVersion.EventFormat(); err != nil {
return fmt.Errorf("respPeek.RoomVersion.EventFormat: %w", err)
if !gomatrixserverlib.KnownRoomVersion(respPeek.RoomVersion) {
return fmt.Errorf("unknown room version: %s", respPeek.RoomVersion)
}
// we have the peek state now so let's process regardless of whether upstream gives up
@ -552,6 +553,13 @@ func (r *FederationInternalAPI) PerformLeave(
continue
}
// Work out if we support the room version that has been supplied in
// the make_leave response.
_, err = gomatrixserverlib.GetRoomVersion(respMakeLeave.RoomVersion)
if err != nil {
return err
}
// Set all the fields to be what they should be, this should be a no-op
// but it's possible that the remote server returned us something "odd"
respMakeLeave.LeaveEvent.Type = spec.MRoomMember
@ -573,12 +581,6 @@ func (r *FederationInternalAPI) PerformLeave(
continue
}
// Work out if we support the room version that has been supplied in
// the make_leave response.
if _, err = respMakeLeave.RoomVersion.EventFormat(); err != nil {
return gomatrixserverlib.UnsupportedRoomVersionError{}
}
// Build the leave event.
event, err := respMakeLeave.LeaveEvent.Build(
time.Now(),
@ -659,8 +661,12 @@ func (r *FederationInternalAPI) PerformInvite(
if err != nil {
return fmt.Errorf("r.federation.SendInviteV2: failed to send invite: %w", err)
}
verImpl, err := gomatrixserverlib.GetRoomVersion(request.RoomVersion)
if err != nil {
return err
}
inviteEvent, err := request.RoomVersion.NewEventFromUntrustedJSON(inviteRes.Event)
inviteEvent, err := verImpl.NewEventFromUntrustedJSON(inviteRes.Event)
if err != nil {
return fmt.Errorf("r.federation.SendInviteV2 failed to decode event response: %w", err)
}
@ -779,6 +785,10 @@ func federatedAuthProvider(
// to repeat the entire set of checks just for a missing event or two.
return func(roomVersion gomatrixserverlib.RoomVersion, eventIDs []string) ([]*gomatrixserverlib.Event, error) {
returning := []*gomatrixserverlib.Event{}
verImpl, err := gomatrixserverlib.GetRoomVersion(roomVersion)
if err != nil {
return nil, err
}
// See if we have retry entries for each of the supplied event IDs.
for _, eventID := range eventIDs {
@ -808,7 +818,7 @@ func federatedAuthProvider(
// event ID again.
for _, pdu := range tx.PDUs {
// Try to parse the event.
ev, everr := roomVersion.NewEventFromUntrustedJSON(pdu)
ev, everr := verImpl.NewEventFromUntrustedJSON(pdu)
if everr != nil {
return nil, fmt.Errorf("missingAuth gomatrixserverlib.NewEventFromUntrustedJSON: %w", everr)
}