dendrite/clientapi/routing/joinroom.go

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// Copyright 2017 Vector Creations 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 (
"errors"
"net/http"
"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
"github.com/matrix-org/dendrite/clientapi/httputil"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
2018-07-17 14:36:04 +00:00
roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/dendrite/userapi/storage/accounts"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
func JoinRoomByIDOrAlias(
req *http.Request,
device *api.Device,
rsAPI roomserverAPI.RoomserverInternalAPI,
accountDB accounts.Database,
roomIDOrAlias string,
) util.JSONResponse {
// Prepare to ask the roomserver to perform the room join.
joinReq := roomserverAPI.PerformJoinRequest{
RoomIDOrAlias: roomIDOrAlias,
UserID: device.UserID,
Content: map[string]interface{}{},
}
joinRes := roomserverAPI.PerformJoinResponse{}
// If content was provided in the request then incude that
// in the request. It'll get used as a part of the membership
// event content.
_ = httputil.UnmarshalJSONRequest(req, &joinReq.Content)
// Work out our localpart for the client profile request.
localpart, _, err := gomatrixserverlib.SplitID('@', device.UserID)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("gomatrixserverlib.SplitID failed")
} else {
// Request our profile content to populate the request content with.
var profile *authtypes.Profile
profile, err = accountDB.GetProfileByLocalpart(req.Context(), localpart)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("accountDB.GetProfileByLocalpart failed")
} else {
joinReq.Content["displayname"] = profile.DisplayName
joinReq.Content["avatar_url"] = profile.AvatarURL
}
}
// Ask the roomserver to perform the join.
err = rsAPI.PerformJoin(req.Context(), &joinReq, &joinRes)
// Handle known errors first, if this is 0 then there will be no matches (eg on success)
switch joinRes.Error {
case roomserverAPI.JoinErrorBadRequest:
return util.JSONResponse{
Code: http.StatusBadRequest,
JSON: jsonerror.Unknown(joinRes.ErrMsg),
}
case roomserverAPI.JoinErrorNoRoom:
return util.JSONResponse{
Code: http.StatusNotFound,
JSON: jsonerror.NotFound(joinRes.ErrMsg),
}
case roomserverAPI.JoinErrorNotAllowed:
return util.JSONResponse{
Code: http.StatusForbidden,
JSON: jsonerror.Forbidden(joinRes.ErrMsg),
}
}
// this is always populated on generic errors
if joinRes.ErrMsg != "" {
return util.ErrorResponse(errors.New(joinRes.ErrMsg))
}
// this is set on network errors in polylith mode
if err != nil {
return util.ErrorResponse(err)
}
return util.JSONResponse{
Code: http.StatusOK,
// TODO: Put the response struct somewhere internal.
JSON: struct {
RoomID string `json:"room_id"`
}{joinRes.RoomID},
}
}