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dendrite/federationapi/routing/query.go
Neil Alexander e15f6676ac
Consolidation of roomserver APIs (#994)
* Consolidation of roomserver APIs

* Comment out alias tests for now, they are broken

* Wire AS API into roomserver again

* Roomserver didn't take asAPI param before so return to that

* Prevent roomserver asking AS API for alias info

* Rename some files

* Remove alias_test, incoherent tests and unwanted appservice integration

* Remove FS API inject on syncapi component
2020-05-01 10:48:17 +01:00

105 lines
3.6 KiB
Go

// Copyright 2017 New Vector Ltd
//
// 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 (
"fmt"
"net/http"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/common/config"
federationSenderAPI "github.com/matrix-org/dendrite/federationsender/api"
roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/gomatrix"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
// RoomAliasToID converts the queried alias into a room ID and returns it
func RoomAliasToID(
httpReq *http.Request,
federation *gomatrixserverlib.FederationClient,
cfg *config.Dendrite,
rsAPI roomserverAPI.RoomserverInternalAPI,
senderAPI federationSenderAPI.FederationSenderInternalAPI,
) util.JSONResponse {
roomAlias := httpReq.FormValue("room_alias")
if roomAlias == "" {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON("Must supply room alias parameter."),
}
}
_, domain, err := gomatrixserverlib.SplitID('#', roomAlias)
if err != nil {
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.BadJSON("Room alias must be in the form '#localpart:domain'"),
}
}
var resp gomatrixserverlib.RespDirectory
if domain == cfg.Matrix.ServerName {
queryReq := roomserverAPI.GetRoomIDForAliasRequest{Alias: roomAlias}
var queryRes roomserverAPI.GetRoomIDForAliasResponse
if err = rsAPI.GetRoomIDForAlias(httpReq.Context(), &queryReq, &queryRes); err != nil {
util.GetLogger(httpReq.Context()).WithError(err).Error("aliasAPI.GetRoomIDForAlias failed")
return jsonerror.InternalServerError()
}
if queryRes.RoomID != "" {
serverQueryReq := federationSenderAPI.QueryJoinedHostServerNamesInRoomRequest{RoomID: queryRes.RoomID}
var serverQueryRes federationSenderAPI.QueryJoinedHostServerNamesInRoomResponse
if err = senderAPI.QueryJoinedHostServerNamesInRoom(httpReq.Context(), &serverQueryReq, &serverQueryRes); err != nil {
util.GetLogger(httpReq.Context()).WithError(err).Error("senderAPI.QueryJoinedHostServerNamesInRoom failed")
return jsonerror.InternalServerError()
}
resp = gomatrixserverlib.RespDirectory{
RoomID: queryRes.RoomID,
Servers: serverQueryRes.ServerNames,
}
} else {
// If no alias was found, return an error
return util.JSONResponse{
Code: http.StatusNotFound,
JSON: jsonerror.NotFound(fmt.Sprintf("Room alias %s not found", roomAlias)),
}
}
} else {
resp, err = federation.LookupRoomAlias(httpReq.Context(), domain, roomAlias)
if err != nil {
switch x := err.(type) {
case gomatrix.HTTPError:
if x.Code == http.StatusNotFound {
return util.JSONResponse{
Code: http.StatusNotFound,
JSON: jsonerror.NotFound("Room alias not found"),
}
}
}
// TODO: Return 502 if the remote server errored.
// TODO: Return 504 if the remote server timed out.
util.GetLogger(httpReq.Context()).WithError(err).Error("federation.LookupRoomAlias failed")
return jsonerror.InternalServerError()
}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: resp,
}
}