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* Standalone signaling server for the Nextcloud Spreed app.
* Copyright (C) 2019 struktur AG
* @author Joachim Bauch <>
* @license GNU AGPL version 3 or any later version
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <>.
package signaling
import (
type Permission string
var (
PERMISSION_MAY_PUBLISH_MEDIA Permission = "publish-media"
PERMISSION_MAY_PUBLISH_AUDIO Permission = "publish-audio"
PERMISSION_MAY_PUBLISH_VIDEO Permission = "publish-video"
PERMISSION_MAY_PUBLISH_SCREEN Permission = "publish-screen"
PERMISSION_MAY_CONTROL Permission = "control"
PERMISSION_TRANSIENT_DATA Permission = "transient-data"
PERMISSION_HIDE_DISPLAYNAMES Permission = "hide-displaynames"
// DefaultPermissionOverrides contains permission overrides for users where
// no permissions have been set by the server. If a permission is not set in
// this map, it's assumed the user has that permission.
DefaultPermissionOverrides = map[Permission]bool{
type SessionIdData struct {
Sid uint64
Created time.Time
BackendId string
type Session interface {
PrivateId() string
PublicId() string
ClientType() string
Data() *SessionIdData
UserId() string
UserData() *json.RawMessage
Backend() *Backend
BackendUrl() string
ParsedBackendUrl() *url.URL
SetRoom(room *Room)
GetRoom() *Room
LeaveRoom(notify bool) *Room
IsExpired(now time.Time) bool
HasPermission(permission Permission) bool