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PDU Sender split (#3100)

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Initial cut of splitting PDU Sender into SenderID & looking up UserID where required.
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devonh 2023-06-06 20:55:18 +00:00 • committed by GitHub
parent 725ff5567d
commit 7a1fd7f512
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66 changed files with 580 additions and 189 deletions
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13
federationapi/routing/leave.go
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@ -95,6 +95,9 @@ func MakeLeave(
LocalServerName: cfg.Matrix.ServerName,
LocalServerInRoom: res.RoomExists && res.IsInRoom,
BuildEventTemplate: createLeaveTemplate,
UserIDQuerier: func(roomID, senderID string) (*spec.UserID, error) {
return rsAPI.QueryUserIDForSender(httpReq.Context(), roomID, senderID)
},
}
response, internalErr := gomatrixserverlib.HandleMakeLeave(input)
@ -213,7 +216,7 @@ func SendLeave(
JSON: spec.BadJSON("No state key was provided in the leave event."),
}
}
if !event.StateKeyEquals(event.Sender()) {
if !event.StateKeyEquals(event.SenderID()) {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: spec.BadJSON("Event state key must match the event sender."),
@ -223,13 +226,13 @@ func SendLeave(
// Check that the sender belongs to the server that is sending us
// the request. By this point we've already asserted that the sender
// and the state key are equal so we don't need to check both.
var serverName spec.ServerName
if _, serverName, err = gomatrixserverlib.SplitID('@', event.Sender()); err != nil {
sender, err := rsAPI.QueryUserIDForSender(httpReq.Context(), event.RoomID(), event.SenderID())
if err != nil {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: spec.Forbidden("The sender of the join is invalid"),
}
} else if serverName != request.Origin() {
} else if sender.Domain() != request.Origin() {
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: spec.Forbidden("The sender does not match the server that originated the request"),
@ -291,7 +294,7 @@ func SendLeave(
}
}
verifyRequests := []gomatrixserverlib.VerifyJSONRequest{{
ServerName: serverName,
ServerName: sender.Domain(),
Message: redacted,
AtTS: event.OriginServerTS(),
ValidityCheckingFunc: gomatrixserverlib.StrictValiditySignatureCheck,