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dendrite/clientapi/routing/voip.go
Neil Alexander 4b09f445c9
Configuration format v1 (#1230)
* Initial pass at refactoring config (not finished)

* Don't forget current state and EDU servers

* More shifting around

* Update server key API tests

* Fix roomserver test

* Fix more tests

* Further tweaks

* Fix current state server test (sort of)

* Maybe fix appservices

* Fix client API test

* Include database connection string in database options

* Fix sync API build

* Update config test

* Fix unit tests

* Fix federation sender build

* Fix gobind build

* Set Listen address for all services in HTTP monolith mode

* Validate config, reinstate appservice derived in directory, tweaks

* Tweak federation API test

* Set MaxOpenConnections/MaxIdleConnections to previous values

* Update generate-config
2020-08-10 14:18:04 +01:00

79 lines
2.2 KiB
Go

// Copyright 2017 Michael Telatysnki <7t3chguy@gmail.com>
//
// 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 (
"crypto/hmac"
"crypto/sha1"
"encoding/base64"
"fmt"
"net/http"
"time"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/internal/config"
"github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrix"
"github.com/matrix-org/util"
)
// RequestTurnServer implements:
// GET /voip/turnServer
func RequestTurnServer(req *http.Request, device *api.Device, cfg *config.ClientAPI) util.JSONResponse {
turnConfig := cfg.TURN
// TODO Guest Support
if len(turnConfig.URIs) == 0 || turnConfig.UserLifetime == "" {
return util.JSONResponse{
Code: http.StatusOK,
JSON: struct{}{},
}
}
// Duration checked at startup, err not possible
duration, _ := time.ParseDuration(turnConfig.UserLifetime)
resp := gomatrix.RespTurnServer{
URIs: turnConfig.URIs,
TTL: int(duration.Seconds()),
}
if turnConfig.SharedSecret != "" {
expiry := time.Now().Add(duration).Unix()
mac := hmac.New(sha1.New, []byte(turnConfig.SharedSecret))
_, err := mac.Write([]byte(resp.Username))
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("mac.Write failed")
return jsonerror.InternalServerError()
}
resp.Username = fmt.Sprintf("%d:%s", expiry, device.UserID)
resp.Password = base64.StdEncoding.EncodeToString(mac.Sum(nil))
} else if turnConfig.Username != "" && turnConfig.Password != "" {
resp.Username = turnConfig.Username
resp.Password = turnConfig.Password
} else {
return util.JSONResponse{
Code: http.StatusOK,
JSON: struct{}{},
}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: resp,
}
}