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

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// @flow
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import { jitsiLocalStorage } from 'js-utils';
import _ from 'lodash';
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import { parseURLParams } from '../util';
import CONFIG_WHITELIST from './configWhitelist';
import { _CONFIG_STORE_PREFIX } from './constants';
import INTERFACE_CONFIG_WHITELIST from './interfaceConfigWhitelist';
import logger from './logger';
// XXX The function getRoomName is split out of
// functions.js because it is 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';
/**
* Create a "fake" configuration object for the given base URL. This is used in case the config
* couldn't be loaded in the welcome page, so at least we have something to try with.
*
* @param {string} baseURL - URL of the deployment for which we want the fake config.
* @returns {Object}
*/
export function createFakeConfig(baseURL: string) {
const url = new URL(baseURL);
return {
hosts: {
domain: url.hostname,
muc: `conference.${url.hostname}`
},
bosh: `${baseURL}http-bind`,
clientNode: 'https://jitsi.org/jitsi-meet',
p2p: {
enabled: true
}
};
}
/* eslint-disable max-params, no-shadow */
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/**
* Overrides JSON properties in {@code config} and
* {@code interfaceConfig} Objects with the values from {@code newConfig}.
* Overrides only the whitelisted keys.
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*
* @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}
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*/
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: ${
JSON.stringify(configJSON)}`);
// eslint-disable-next-line arrow-body-style
_.mergeWith(configObj, configJSON, (oldValue, newValue) => {
// XXX We don't want to merge the arrays, we want to
// overwrite them.
return Array.isArray(oldValue) ? newValue : undefined;
});
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}
}
}
}
/* eslint-enable max-params, no-shadow */
/**
* Apply whitelist filtering for configs with whitelists, skips this for others
* configs (loggingConfig).
* Only extracts overridden values for keys we allow to be overridden.
*
* @param {string} configName - The config name, one of config,
* interfaceConfig, loggingConfig.
* @param {Object} configJSON - The object with keys and values to override.
* @private
* @returns {Object} - The result object only with the keys
* that are whitelisted.
*/
function _getWhitelistedJSON(configName, configJSON) {
if (configName === 'interfaceConfig') {
return _.pick(configJSON, INTERFACE_CONFIG_WHITELIST);
} else if (configName === 'config') {
return _.pick(configJSON, CONFIG_WHITELIST);
}
return configJSON;
}
/**
* Restores a Jitsi Meet config.js from {@code localStorage} if it was
* previously downloaded from a specific {@code baseURL} and stored with
* {@link storeConfig}.
*
* @param {string} baseURL - The base URL from which the config.js was
* previously downloaded and stored with {@code storeConfig}.
* @returns {?Object} The Jitsi Meet config.js which was previously downloaded
* from {@code baseURL} and stored with {@code storeConfig} if it was restored;
* otherwise, {@code undefined}.
*/
export function restoreConfig(baseURL: string): ?Object {
const key = `${_CONFIG_STORE_PREFIX}/${baseURL}`;
const config = jitsiLocalStorage.getItem(key);
if (config) {
try {
return JSON.parse(config) || undefined;
} catch (e) {
// Somehow incorrect data ended up in the storage. Clean it up.
jitsiLocalStorage.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 = {};
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// 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] || {};
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}
base[last] = params[param];
}
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overrideConfigJSON(config, interfaceConfig, loggingConfig, json);
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}
/* eslint-enable max-params */