jiti-meet/react/features/base/config/functions.js

396 lines
12 KiB
JavaScript

/* @flow */
import _ from 'lodash';
import { _CONFIG_STORE_PREFIX } from './constants';
import parseURLParams from './parseURLParams';
declare var $: Object;
/**
* The config keys to whitelist, the keys that can be overridden.
* Currently we can only whitelist the first part of the properties, like
* 'p2p.useStunTurn' and 'p2p.enabled' we whitelist all p2p options.
* The whitelist is used only for config.js.
*
* @private
* @type Array
*/
const WHITELISTED_KEYS = [
'_desktopSharingSourceDevice',
'_peerConnStatusOutOfLastNTimeout',
'_peerConnStatusRtcMuteTimeout',
'abTesting',
'autoRecord',
'autoRecordToken',
'avgRtpStatsN',
'callFlowsEnabled',
'callStatsConfIDNamespace',
'callStatsID',
'callStatsSecret',
/**
* The display name of the CallKit call representing the conference/meeting
* associated with this config.js including while the call is ongoing in the
* UI presented by CallKit and in the system-wide call history. The property
* is meant for use cases in which the room name is not desirable as a
* display name for CallKit purposes and the desired display name is not
* provided in the form of a JWT callee. As the value is associated with a
* conference/meeting, the value makes sense not as a deployment-wide
* configuration, only as a runtime configuration override/overwrite
* provided by, for example, Jitsi Meet SDK for iOS.
*
* @type string
*/
'callDisplayName',
/**
* The handle
* ({@link https://developer.apple.com/documentation/callkit/cxhandle}) of
* the CallKit call representing the conference/meeting associated with this
* config.js. The property is meant for use cases in which the room URL is
* not desirable as the handle for CallKit purposes. As the value is
* associated with a conference/meeting, the value makes sense not as a
* deployment-wide configuration, only as a runtime configuration
* override/overwrite provided by, for example, Jitsi Meet SDK for iOS.
*
* @type string
*/
'callHandle',
/**
* The UUID of the CallKit call representing the conference/meeting
* associated with this config.js. The property is meant for use cases in
* which Jitsi Meet is to work with a CallKit call created outside of Jitsi
* Meet and to be adopted by Jitsi Meet such as, for example, an incoming
* and/or outgoing CallKit call created by Jitsi Meet SDK for iOS
* clients/consumers prior to giving control to Jitsi Meet. As the value is
* associated with a conference/meeting, the value makes sense not as a
* deployment-wide configuration, only as a runtime configuration
* override/overwrite provided by, for example, Jitsi Meet SDK for iOS.
*
* @type string
*/
'callUUID',
'channelLastN',
'constraints',
'debug',
'debugAudioLevels',
'defaultLanguage',
'desktopSharingChromeDisabled',
'desktopSharingChromeExtId',
'desktopSharingChromeMinExtVersion',
'desktopSharingChromeSources',
'desktopSharingFrameRate',
'desktopSharingFirefoxDisabled',
'desktopSharingSources',
'disable1On1Mode',
'disableAEC',
'disableAGC',
'disableAP',
'disableAudioLevels',
'disableH264',
'disableHPF',
'disableNS',
'disableRemoteControl',
'disableRtx',
'disableSuspendVideo',
'displayJids',
'e2eping',
'enableDisplayNameInStats',
'enableLayerSuspension',
'enableLipSync',
'enableLocalVideoFlip',
'enableRemb',
'enableStatsID',
'enableTalkWhileMuted',
'enableTcc',
'etherpad_base',
'failICE',
'fileRecordingsEnabled',
'firefox_fake_device',
'forceJVB121Ratio',
'gatherStats',
'googleApiApplicationClientID',
'hiddenDomain',
'hosts',
'iAmRecorder',
'iAmSipGateway',
'iceTransportPolicy',
'ignoreStartMuted',
'liveStreamingEnabled',
'minParticipants',
'nick',
'openBridgeChannel',
'p2p',
'preferH264',
'requireDisplayName',
'resolution',
'startAudioMuted',
'startAudioOnly',
'startBitrate',
'startScreenSharing',
'startVideoMuted',
'startWithAudioMuted',
'startWithVideoMuted',
'testing',
'useIPv6',
'useNicks',
'useStunTurn',
'webrtcIceTcpDisable',
'webrtcIceUdpDisable'
];
const logger = require('jitsi-meet-logger').getLogger(__filename);
// XXX The functions getRoomName and parseURLParams are split out of
// functions.js because they are bundled in both app.bundle and
// do_external_connect, webpack 1 does not support tree shaking, and we don't
// want all functions to be bundled in do_external_connect.
export { default as getRoomName } from './getRoomName';
export { parseURLParams };
/**
* Promise wrapper on obtain config method. When HttpConfigFetch will be moved
* to React app it's better to use load config instead.
*
* @param {string} location - URL of the domain from which the config is to be
* obtained.
* @param {string} room - Room name.
* @private
* @returns {Promise<void>}
*/
export function obtainConfig(location: string, room: string): Promise<void> {
return new Promise((resolve, reject) =>
_obtainConfig(location, room, (success, error) => {
success ? resolve() : reject(error);
})
);
}
/**
* Sends HTTP POST request to specified {@code endpoint}. In request the name
* of the room is included in JSON format:
* {
* "rooomName": "someroom12345"
* }.
*
* @param {string} endpoint - The name of HTTP endpoint to which to send
* the HTTP POST request.
* @param {string} roomName - The name of the conference room for which config
* is requested.
* @param {Function} complete - The callback to invoke upon success or failure.
* @returns {void}
*/
function _obtainConfig(endpoint: string, roomName: string, complete: Function) {
logger.info(`Send config request to ${endpoint} for room: ${roomName}`);
$.ajax(
endpoint,
{
contentType: 'application/json',
data: JSON.stringify({ roomName }),
dataType: 'json',
method: 'POST',
error(jqXHR, textStatus, errorThrown) {
logger.error('Get config error: ', jqXHR, errorThrown);
complete(false, `Get config response status: ${textStatus}`);
},
success(data) {
const { config, interfaceConfig, loggingConfig } = window;
try {
overrideConfigJSON(
config, interfaceConfig, loggingConfig,
data);
complete(true);
} catch (e) {
logger.error('Parse config error: ', e);
complete(false, e);
}
}
}
);
}
/* eslint-disable max-params, no-shadow */
/**
* Overrides JSON properties in {@code config} and
* {@code interfaceConfig} Objects with the values from {@code newConfig}.
* Overrides only the whitelisted keys.
*
* @param {Object} config - The config Object in which we'll be overriding
* properties.
* @param {Object} interfaceConfig - The interfaceConfig Object in which we'll
* be overriding properties.
* @param {Object} loggingConfig - The loggingConfig Object in which we'll be
* overriding properties.
* @param {Object} json - Object containing configuration properties.
* Destination object is selected based on root property name:
* {
* config: {
* // config.js properties here
* },
* interfaceConfig: {
* // interface_config.js properties here
* },
* loggingConfig: {
* // logging_config.js properties here
* }
* }.
* @returns {void}
*/
export function overrideConfigJSON(
config: ?Object, interfaceConfig: ?Object, loggingConfig: ?Object,
json: Object) {
for (const configName of Object.keys(json)) {
let configObj;
if (configName === 'config') {
configObj = config;
} else if (configName === 'interfaceConfig') {
configObj = interfaceConfig;
} else if (configName === 'loggingConfig') {
configObj = loggingConfig;
}
if (configObj) {
const configJSON
= _getWhitelistedJSON(configName, json[configName]);
if (!_.isEmpty(configJSON)) {
logger.info(
`Extending ${configName} with: ${
JSON.stringify(configJSON)}`);
// eslint-disable-next-line arrow-body-style
_.mergeWith(configObj, configJSON, (oldValue, newValue) => {
// XXX We don't want to merge the arrays, we want to
// overwrite them.
return Array.isArray(oldValue) ? newValue : undefined;
});
}
}
}
}
/* eslint-enable max-params, no-shadow */
/**
* Whitelist only config.js, skips this for others configs
* (interfaceConfig, loggingConfig).
* Only extracts overridden values for keys we allow to be overridden.
*
* @param {string} configName - The config name, one of config,
* interfaceConfig, loggingConfig.
* @param {Object} configJSON - The object with keys and values to override.
* @private
* @returns {Object} - The result object only with the keys
* that are whitelisted.
*/
function _getWhitelistedJSON(configName, configJSON) {
if (configName !== 'config') {
return configJSON;
}
return _.pick(configJSON, WHITELISTED_KEYS);
}
/**
* Restores a Jitsi Meet config.js from {@code localStorage} if it was
* previously downloaded from a specific {@code baseURL} and stored with
* {@link storeConfig}.
*
* @param {string} baseURL - The base URL from which the config.js was
* previously downloaded and stored with {@code storeConfig}.
* @returns {?Object} The Jitsi Meet config.js which was previously downloaded
* from {@code baseURL} and stored with {@code storeConfig} if it was restored;
* otherwise, {@code undefined}.
*/
export function restoreConfig(baseURL: string): ?Object {
let storage;
const key = `${_CONFIG_STORE_PREFIX}/${baseURL}`;
try {
// XXX Even reading the property localStorage of window may throw an
// error (which is user agent-specific behavior).
storage = window.localStorage;
const config = storage.getItem(key);
if (config) {
return JSON.parse(config) || undefined;
}
} catch (e) {
// Somehow incorrect data ended up in the storage. Clean it up.
storage && storage.removeItem(key);
}
return undefined;
}
/* eslint-disable max-params */
/**
* Inspects the hash part of the location URI and overrides values specified
* there in the corresponding config objects given as the arguments. The syntax
* is: {@code https://server.com/room#config.debug=true
* &interfaceConfig.showButton=false&loggingConfig.something=1}.
*
* In the hash part each parameter will be parsed to JSON and then the root
* object will be matched with the corresponding config object given as the
* argument to this function.
*
* @param {Object} config - This is the general config.
* @param {Object} interfaceConfig - This is the interface config.
* @param {Object} loggingConfig - The logging config.
* @param {URI} location - The new location to which the app is navigating to.
* @returns {void}
*/
export function setConfigFromURLParams(
config: ?Object,
interfaceConfig: ?Object,
loggingConfig: ?Object,
location: Object) {
const params = parseURLParams(location);
const json = {};
// At this point we have:
// params = {
// "config.disableAudioLevels": false,
// "config.channelLastN": -1,
// "interfaceConfig.APP_NAME": "Jitsi Meet"
// }
// We want to have:
// json = {
// config: {
// "disableAudioLevels": false,
// "channelLastN": -1
// },
// interfaceConfig: {
// "APP_NAME": "Jitsi Meet"
// }
// }
config && (json.config = {});
interfaceConfig && (json.interfaceConfig = {});
loggingConfig && (json.loggingConfig = {});
for (const param of Object.keys(params)) {
let base = json;
const names = param.split('.');
const last = names.pop();
for (const name of names) {
base = base[name] = base[name] || {};
}
base[last] = params[param];
}
overrideConfigJSON(config, interfaceConfig, loggingConfig, json);
}
/* eslint-enable max-params */