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