98 lines
3.2 KiB
Go
98 lines
3.2 KiB
Go
// Copyright 2021 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package routing
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import (
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"fmt"
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"net/http"
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"github.com/matrix-org/dendrite/clientapi/jsonerror"
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"github.com/matrix-org/dendrite/roomserver/api"
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userapi "github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/gomatrixserverlib/spec"
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"github.com/matrix-org/util"
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)
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// GetAliases implements GET /_matrix/client/r0/rooms/{roomId}/aliases
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func GetAliases(
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req *http.Request, rsAPI api.ClientRoomserverAPI, device *userapi.Device, roomID string,
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) util.JSONResponse {
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stateTuple := gomatrixserverlib.StateKeyTuple{
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EventType: spec.MRoomHistoryVisibility,
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StateKey: "",
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}
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stateReq := &api.QueryCurrentStateRequest{
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RoomID: roomID,
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StateTuples: []gomatrixserverlib.StateKeyTuple{stateTuple},
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}
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stateRes := &api.QueryCurrentStateResponse{}
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if err := rsAPI.QueryCurrentState(req.Context(), stateReq, stateRes); err != nil {
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util.GetLogger(req.Context()).WithError(err).Error("rsAPI.QueryCurrentState failed")
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return util.ErrorResponse(fmt.Errorf("rsAPI.QueryCurrentState: %w", err))
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}
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visibility := gomatrixserverlib.HistoryVisibilityInvited
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if historyVisEvent, ok := stateRes.StateEvents[stateTuple]; ok {
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var err error
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visibility, err = historyVisEvent.HistoryVisibility()
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if err != nil {
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util.GetLogger(req.Context()).WithError(err).Error("historyVisEvent.HistoryVisibility failed")
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return util.ErrorResponse(fmt.Errorf("historyVisEvent.HistoryVisibility: %w", err))
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}
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}
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if visibility != spec.WorldReadable {
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queryReq := api.QueryMembershipForUserRequest{
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RoomID: roomID,
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UserID: device.UserID,
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}
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var queryRes api.QueryMembershipForUserResponse
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if err := rsAPI.QueryMembershipForUser(req.Context(), &queryReq, &queryRes); err != nil {
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util.GetLogger(req.Context()).WithError(err).Error("rsAPI.QueryMembershipsForRoom failed")
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return jsonerror.InternalServerError()
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}
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if !queryRes.IsInRoom {
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return util.JSONResponse{
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Code: http.StatusForbidden,
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JSON: jsonerror.Forbidden("You aren't a member of this room."),
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}
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}
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}
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aliasesReq := api.GetAliasesForRoomIDRequest{
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RoomID: roomID,
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}
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aliasesRes := api.GetAliasesForRoomIDResponse{}
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if err := rsAPI.GetAliasesForRoomID(req.Context(), &aliasesReq, &aliasesRes); err != nil {
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util.GetLogger(req.Context()).WithError(err).Error("rsAPI.GetAliasesForRoomID failed")
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return util.ErrorResponse(fmt.Errorf("rsAPI.GetAliasesForRoomID: %w", err))
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}
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response := struct {
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Aliases []string `json:"aliases"`
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}{
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Aliases: aliasesRes.Aliases,
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}
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if response.Aliases == nil {
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response.Aliases = []string{} // pleases sytest
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}
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return util.JSONResponse{
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Code: 200,
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JSON: response,
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}
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}
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