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Use *spec.SenderID for QuerySenderIDForUser (#3164)

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There are cases where a dendrite instance is unaware of a pseudo ID for
a user, the user is not a member of that room. To represent this case,
we currently use the 'zero' value, which is often not checked and so
causes errors later down the line. To make this case more explict, and
to be consistent with `QueryUserIDForSender`, this PR changes this to
use a pointer (and `nil` to mean no sender ID).

Signed-off-by: `Sam Wedgwood <sam@wedgwood.dev>`
This commit is contained in:
Sam Wedgwood 2023-08-02 11:12:14 +01:00 • committed by GitHub
parent af13fa1c75
commit c7193e24d0
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 129 additions and 65 deletions
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5
federationapi/federationapi_test.go
View file

@ -40,8 +40,9 @@ func (f *fedRoomserverAPI) QueryUserIDForSender(ctx context.Context, roomID spec
return spec.NewUserID(string(senderID), true)
}
func (f *fedRoomserverAPI) QuerySenderIDForUser(ctx context.Context, roomID spec.RoomID, userID spec.UserID) (spec.SenderID, error) {
return spec.SenderID(userID.String()), nil
func (f *fedRoomserverAPI) QuerySenderIDForUser(ctx context.Context, roomID spec.RoomID, userID spec.UserID) (*spec.SenderID, error) {
senderID := spec.SenderID(userID.String())
return &senderID, nil
}
// PerformJoin will call this function

4
federationapi/internal/perform.go
View file

@ -481,8 +481,10 @@ func (r *FederationInternalAPI) PerformLeave(
senderID, err := r.rsAPI.QuerySenderIDForUser(ctx, *roomID, *userID)
if err != nil {
return err
} else if senderID == nil {
return fmt.Errorf("sender ID not found for %s in %s", *userID, *roomID)
}
senderIDString := string(senderID)
senderIDString := string(*senderID)
respMakeLeave.LeaveEvent.Type = spec.MRoomMember
respMakeLeave.LeaveEvent.SenderID = senderIDString
respMakeLeave.LeaveEvent.StateKey = &senderIDString

7
federationapi/routing/join.go
View file

@ -99,7 +99,7 @@ func MakeJoin(
Roomserver: rsAPI,
}
senderID, err := rsAPI.QuerySenderIDForUser(httpReq.Context(), roomID, userID)
senderIDPtr, err := rsAPI.QuerySenderIDForUser(httpReq.Context(), roomID, userID)
if err != nil {
util.GetLogger(httpReq.Context()).WithError(err).Error("rsAPI.QuerySenderIDForUser failed")
return util.JSONResponse{
@ -108,8 +108,11 @@ func MakeJoin(
}
}
if senderID == "" {
var senderID spec.SenderID
if senderIDPtr == nil {
senderID = spec.SenderID(userID.String())
} else {
senderID = *senderIDPtr
}
input := gomatrixserverlib.HandleMakeJoinInput{

8
federationapi/routing/leave.go
View file

@ -94,11 +94,17 @@ func MakeLeave(
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
} else if senderID == nil {
util.GetLogger(httpReq.Context()).WithField("roomID", roomID).WithField("userID", userID).Error("rsAPI.QuerySenderIDForUser returned nil sender ID")
return util.JSONResponse{
Code: http.StatusInternalServerError,
JSON: spec.InternalServerError{},
}
}
input := gomatrixserverlib.HandleMakeLeaveInput{
UserID: userID,
SenderID: senderID,
SenderID: *senderID,
RoomID: roomID,
RoomVersion: roomVersion,
RequestOrigin: request.Origin(),