jiti-meet/react/features/base/jitsi-local-storage/setup.web.js

93 lines
2.7 KiB
JavaScript

// @flow
import Bourne from '@hapi/bourne';
import { jitsiLocalStorage } from '@jitsi/js-utils/jitsi-local-storage';
import { browser } from '../lib-jitsi-meet';
import { parseURLParams } from '../util/parseURLParams';
import logger from './logger';
declare var APP: Object;
declare var config: Object;
/**
* Checks whether we are loaded in an iframe.
*
* @returns {boolean} Returns {@code true} if loaded in iframe.
* @private
*/
function _inIframe() {
try {
return window.self !== window.top;
} catch (e) {
return true;
}
}
/**
* Handles changes of the fake local storage.
*
* @returns {void}
*/
function onFakeLocalStorageChanged() {
APP.API.notifyLocalStorageChanged(jitsiLocalStorage.serialize());
}
/**
* Checks if the local storage of the host page needs to be used instead jitsi-meet's local storage.
*
* @param {Object} urlParams - Object with parsed URL params.
* @returns {boolean} - True if the local storage of the host page needs to be used instead jitsi-meet's local storage
* and false otherwise.
*/
function shouldUseHostPageLocalStorage(urlParams) {
// NOTE: normally the url params and the config will be merged into the redux store. But we want to setup the local
// storage as soon as possible, the store is not created yet and the merging of the URL params and the config
// haven't been executed yet. That's why we need to manually parse the URL params and also access the config through
// the global variable.
if (urlParams['config.useHostPageLocalStorage'] === true
|| (typeof config === 'object' && config.useHostPageLocalStorage)) {
return true;
}
if (jitsiLocalStorage.isLocalStorageDisabled()) { // We have detected that ou own local storage is not working.
return true;
}
if (browser.isWebKitBased() && _inIframe()) {
// WebKit browsers don't persist local storage for third-party iframes.
return true;
}
return false;
}
/**
* Performs initial setup of the jitsiLocalStorage.
*
* @returns {void}
*/
function setupJitsiLocalStorage() {
const urlParams = parseURLParams(window.location);
if (shouldUseHostPageLocalStorage(urlParams)) {
try {
const localStorageContent = Bourne.parse(urlParams['appData.localStorageContent']);
if (typeof localStorageContent === 'object') {
Object.keys(localStorageContent).forEach(key => {
jitsiLocalStorage.setItem(key, localStorageContent[key]);
});
}
} catch (error) {
logger.error('Can\'t parse localStorageContent.', error);
}
jitsiLocalStorage.on('changed', onFakeLocalStorageChanged);
}
}
setupJitsiLocalStorage();