mirror of
https://github.com/strukturag/nextcloud-spreed-signaling.git
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9aeb57d74e
This will reduce their size and improve encoding / decoding performance. Also fixes GO-2024-3106 (Stack exhaustion in Decoder.Decode in encoding/gob).
90 lines
2.5 KiB
Go
90 lines
2.5 KiB
Go
/**
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* Standalone signaling server for the Nextcloud Spreed app.
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* Copyright (C) 2019 struktur AG
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*
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* @author Joachim Bauch <bauch@struktur.de>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package signaling
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import (
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"context"
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"encoding/json"
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"net/url"
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"sync"
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)
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type Permission string
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var (
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PERMISSION_MAY_PUBLISH_MEDIA Permission = "publish-media"
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PERMISSION_MAY_PUBLISH_AUDIO Permission = "publish-audio"
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PERMISSION_MAY_PUBLISH_VIDEO Permission = "publish-video"
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PERMISSION_MAY_PUBLISH_SCREEN Permission = "publish-screen"
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PERMISSION_MAY_CONTROL Permission = "control"
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PERMISSION_TRANSIENT_DATA Permission = "transient-data"
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PERMISSION_HIDE_DISPLAYNAMES Permission = "hide-displaynames"
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// DefaultPermissionOverrides contains permission overrides for users where
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// no permissions have been set by the server. If a permission is not set in
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// this map, it's assumed the user has that permission.
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DefaultPermissionOverrides = map[Permission]bool{
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PERMISSION_HIDE_DISPLAYNAMES: false,
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}
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)
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type Session interface {
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Context() context.Context
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PrivateId() string
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PublicId() string
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ClientType() string
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Data() *SessionIdData
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UserId() string
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UserData() json.RawMessage
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ParsedUserData() (map[string]interface{}, error)
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Backend() *Backend
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BackendUrl() string
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ParsedBackendUrl() *url.URL
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SetRoom(room *Room)
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GetRoom() *Room
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LeaveRoom(notify bool) *Room
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Close()
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HasPermission(permission Permission) bool
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SendError(e *Error) bool
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SendMessage(message *ServerMessage) bool
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}
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func parseUserData(data json.RawMessage) func() (map[string]interface{}, error) {
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return sync.OnceValues(func() (map[string]interface{}, error) {
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if len(data) == 0 {
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return nil, nil
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}
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var m map[string]interface{}
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if err := json.Unmarshal(data, &m); err != nil {
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return nil, err
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}
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return m, nil
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})
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}
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