mirror of
https://github.com/matrix-org/dendrite
synced 2024-09-11 13:39:13 +02:00
We would return a 403 first (as the server would not be allowed to see this event) and only then return a 404 if the event is not in the given room. We now invert those checks for /state and /state_ids to make the tests pass.
146 lines
3.7 KiB
Go
146 lines
3.7 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"
|
|
"net/url"
|
|
|
|
"github.com/matrix-org/dendrite/clientapi/jsonerror"
|
|
"github.com/matrix-org/dendrite/roomserver/api"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
"github.com/matrix-org/util"
|
|
)
|
|
|
|
// GetState returns state events & auth events for the roomID, eventID
|
|
func GetState(
|
|
ctx context.Context,
|
|
request *gomatrixserverlib.FederationRequest,
|
|
rsAPI api.RoomserverInternalAPI,
|
|
roomID string,
|
|
) util.JSONResponse {
|
|
eventID, err := parseEventIDParam(request)
|
|
if err != nil {
|
|
return *err
|
|
}
|
|
|
|
state, err := getState(ctx, request, rsAPI, roomID, eventID)
|
|
if err != nil {
|
|
return *err
|
|
}
|
|
|
|
return util.JSONResponse{Code: http.StatusOK, JSON: state}
|
|
}
|
|
|
|
// GetStateIDs returns state event IDs & auth event IDs for the roomID, eventID
|
|
func GetStateIDs(
|
|
ctx context.Context,
|
|
request *gomatrixserverlib.FederationRequest,
|
|
rsAPI api.RoomserverInternalAPI,
|
|
roomID string,
|
|
) util.JSONResponse {
|
|
eventID, err := parseEventIDParam(request)
|
|
if err != nil {
|
|
return *err
|
|
}
|
|
|
|
state, err := getState(ctx, request, rsAPI, roomID, eventID)
|
|
if err != nil {
|
|
return *err
|
|
}
|
|
|
|
stateEventIDs := getIDsFromEvent(state.StateEvents)
|
|
authEventIDs := getIDsFromEvent(state.AuthEvents)
|
|
|
|
return util.JSONResponse{Code: http.StatusOK, JSON: gomatrixserverlib.RespStateIDs{
|
|
StateEventIDs: stateEventIDs,
|
|
AuthEventIDs: authEventIDs,
|
|
},
|
|
}
|
|
}
|
|
|
|
func parseEventIDParam(
|
|
request *gomatrixserverlib.FederationRequest,
|
|
) (eventID string, resErr *util.JSONResponse) {
|
|
URL, err := url.Parse(request.RequestURI())
|
|
if err != nil {
|
|
response := util.ErrorResponse(err)
|
|
resErr = &response
|
|
return
|
|
}
|
|
|
|
eventID = URL.Query().Get("event_id")
|
|
if eventID == "" {
|
|
resErr = &util.JSONResponse{
|
|
Code: http.StatusBadRequest,
|
|
JSON: jsonerror.MissingArgument("event_id missing"),
|
|
}
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func getState(
|
|
ctx context.Context,
|
|
request *gomatrixserverlib.FederationRequest,
|
|
rsAPI api.RoomserverInternalAPI,
|
|
roomID string,
|
|
eventID string,
|
|
) (*gomatrixserverlib.RespState, *util.JSONResponse) {
|
|
event, resErr := fetchEvent(ctx, rsAPI, eventID)
|
|
if resErr != nil {
|
|
return nil, resErr
|
|
}
|
|
|
|
if event.RoomID() != roomID {
|
|
return nil, &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 nil, resErr
|
|
}
|
|
|
|
var response api.QueryStateAndAuthChainResponse
|
|
err := rsAPI.QueryStateAndAuthChain(
|
|
ctx,
|
|
&api.QueryStateAndAuthChainRequest{
|
|
RoomID: roomID,
|
|
PrevEventIDs: []string{eventID},
|
|
AuthEventIDs: event.AuthEventIDs(),
|
|
},
|
|
&response,
|
|
)
|
|
if err != nil {
|
|
resErr := util.ErrorResponse(err)
|
|
return nil, &resErr
|
|
}
|
|
|
|
if !response.RoomExists {
|
|
return nil, &util.JSONResponse{Code: http.StatusNotFound, JSON: nil}
|
|
}
|
|
|
|
return &gomatrixserverlib.RespState{
|
|
StateEvents: gomatrixserverlib.UnwrapEventHeaders(response.StateEvents),
|
|
AuthEvents: gomatrixserverlib.UnwrapEventHeaders(response.AuthChainEvents),
|
|
}, nil
|
|
}
|
|
|
|
func getIDsFromEvent(events []gomatrixserverlib.Event) []string {
|
|
IDs := make([]string, len(events))
|
|
for i := range events {
|
|
IDs[i] = events[i].EventID()
|
|
}
|
|
|
|
return IDs
|
|
}
|