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 (
"net/http"
"time"
"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{}
// Check to see if any ?server_name= query parameters were
// given in the request.
if serverNames, ok := req.URL.Query()["server_name"]; ok {
for _, serverName := range serverNames {
joinReq.ServerNames = append(
joinReq.ServerNames,
gomatrixserverlib.ServerName(serverName),
)
}
}
// If content was provided in the request then include 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.
done := make(chan util.JSONResponse, 1)
go func() {
defer close(done)
rsAPI.PerformJoin(req.Context(), &joinReq, &joinRes)
if joinRes.Error != nil {
done <- joinRes.Error.JSONResponse()
} else {
done <- util.JSONResponse{
Code: http.StatusOK,
// TODO: Put the response struct somewhere internal.
JSON: struct {
RoomID string `json:"room_id"`
}{joinRes.RoomID},
}
}
}()
// Wait either for the join to finish, or for us to hit a reasonable
// timeout, at which point we'll just return a 200 to placate clients.
select {
case <-time.After(time.Second * 20):
return util.JSONResponse{
Code: http.StatusAccepted,
JSON: jsonerror.Unknown("The room join will continue in the background."),
}
case result := <-done:
return result
}
}