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Fix using the remote provided event from /send_join (#2490)

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Neil Alexander 2022-05-25 14:31:07 +01:00 committed by GitHub
parent 9ce3898d03
commit ac4d0072cf
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 12 additions and 8 deletions
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10
federationapi/internal/perform.go
View file

@ -213,10 +213,14 @@ func (r *FederationInternalAPI) performJoinUsingServer(
// If the remote server returned an event in the "event" key of
// the send_join request then we should use that instead. It may
// contain signatures that we don't know about.
if respSendJoin.Event != nil && isWellFormedMembershipEvent(
respSendJoin.Event, roomID, userID, r.cfg.Matrix.ServerName,
if len(respSendJoin.Event) > 0 {
var remoteEvent *gomatrixserverlib.Event
remoteEvent, err = respSendJoin.Event.UntrustedEvent(respMakeJoin.RoomVersion)
if err == nil && isWellFormedMembershipEvent(
remoteEvent, roomID, userID, r.cfg.Matrix.ServerName,
) {
event = respSendJoin.Event
event = remoteEvent
}
}
// Sanity-check the join response to ensure that it has a create

2
federationapi/routing/join.go
View file

@ -403,7 +403,7 @@ func SendJoin(
StateEvents: gomatrixserverlib.NewEventJSONsFromHeaderedEvents(stateAndAuthChainResponse.StateEvents),
AuthEvents: gomatrixserverlib.NewEventJSONsFromHeaderedEvents(stateAndAuthChainResponse.AuthChainEvents),
Origin: cfg.Matrix.ServerName,
Event: &signed,
Event: signed.JSON(),
},
}
}

2
go.mod
View file

@ -30,7 +30,7 @@ require (
github.com/matrix-org/dugong v0.0.0-20210921133753-66e6b1c67e2e
github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91
github.com/matrix-org/gomatrix v0.0.0-20210324163249-be2af5ef2e16
github.com/matrix-org/gomatrixserverlib v0.0.0-20220524100759-f98e737f8f9c
github.com/matrix-org/gomatrixserverlib v0.0.0-20220525125811-a75fa15a03a0
github.com/matrix-org/pinecone v0.0.0-20220408153826-2999ea29ed48
github.com/matrix-org/util v0.0.0-20200807132607-55161520e1d4
github.com/mattn/go-sqlite3 v1.14.10

4
go.sum
View file

@ -795,8 +795,8 @@ github.com/matrix-org/go-sqlite3-js v0.0.0-20220419092513-28aa791a1c91/go.mod h1
github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26/go.mod h1:3fxX6gUjWyI/2Bt7J1OLhpCzOfO/bB3AiX0cJtEKud0=
github.com/matrix-org/gomatrix v0.0.0-20210324163249-be2af5ef2e16 h1:ZtO5uywdd5dLDCud4r0r55eP4j9FuUNpl60Gmntcop4=
github.com/matrix-org/gomatrix v0.0.0-20210324163249-be2af5ef2e16/go.mod h1:/gBX06Kw0exX1HrwmoBibFA98yBk/jxKpGVeyQbff+s=
github.com/matrix-org/gomatrixserverlib v0.0.0-20220524100759-f98e737f8f9c h1:J9krMtVgo4mV/G+mRA1u3GL6nNxdNnuPcs891uIQGic=
github.com/matrix-org/gomatrixserverlib v0.0.0-20220524100759-f98e737f8f9c/go.mod h1:V5eO8rn/C3rcxig37A/BCeKerLFS+9Avg/77FIeTZ48=
github.com/matrix-org/gomatrixserverlib v0.0.0-20220525125811-a75fa15a03a0 h1:wmxJJA5dczakTi7UsU/MWuWJY3gmC6RWzTN2S484tHo=
github.com/matrix-org/gomatrixserverlib v0.0.0-20220525125811-a75fa15a03a0/go.mod h1:V5eO8rn/C3rcxig37A/BCeKerLFS+9Avg/77FIeTZ48=
github.com/matrix-org/pinecone v0.0.0-20220408153826-2999ea29ed48 h1:W0sjjC6yjskHX4mb0nk3p0fXAlbU5bAFUFeEtlrPASE=
github.com/matrix-org/pinecone v0.0.0-20220408153826-2999ea29ed48/go.mod h1:ulJzsVOTssIVp1j/m5eI//4VpAGDkMt5NrRuAVX7wpc=
github.com/matrix-org/util v0.0.0-20190711121626-527ce5ddefc7/go.mod h1:vVQlW/emklohkZnOPwD3LrZUBqdfsbiyO3p1lNV8F6U=