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dendrite/federationapi/routing/eventauth.go
kegsay aa5c3b88de
Unmarshal events at the Dendrite level not GMSL level (#2164)
* Use new event json types in gmsl

* Fix EventJSON to actually unmarshal events

* Update GMSL

* Bump GMSL and improve error messages

* Send back the correct RespState

* Update GMSL
2022-02-09 20:31:24 +00:00

71 lines
2 KiB
Go

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package routing
import (
"context"
"net/http"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
// GetEventAuth returns event auth for the roomID and eventID
func GetEventAuth(
ctx context.Context,
request *gomatrixserverlib.FederationRequest,
rsAPI api.RoomserverInternalAPI,
roomID string,
eventID string,
) util.JSONResponse {
event, resErr := fetchEvent(ctx, rsAPI, eventID)
if resErr != nil {
return *resErr
}
if event.RoomID() != roomID {
return util.JSONResponse{Code: http.StatusNotFound, JSON: jsonerror.NotFound("event does not belong to this room")}
}
resErr = allowedToSeeEvent(ctx, request.Origin(), rsAPI, eventID)
if resErr != nil {
return *resErr
}
var response api.QueryStateAndAuthChainResponse
err := rsAPI.QueryStateAndAuthChain(
ctx,
&api.QueryStateAndAuthChainRequest{
RoomID: roomID,
PrevEventIDs: []string{eventID},
AuthEventIDs: event.AuthEventIDs(),
OnlyFetchAuthChain: true,
},
&response,
)
if err != nil {
return util.ErrorResponse(err)
}
if !response.RoomExists {
return util.JSONResponse{Code: http.StatusNotFound, JSON: nil}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: gomatrixserverlib.RespEventAuth{
AuthEvents: gomatrixserverlib.NewEventJSONsFromHeaderedEvents(response.AuthChainEvents),
},
}
}