63 lines
1.6 KiB
JavaScript
63 lines
1.6 KiB
JavaScript
/* global window, postMessage, textsecure, close */
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/* eslint-disable more/no-then, no-global-assign, no-restricted-globals, no-unused-vars */
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/*
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* Load this script in a Web Worker to generate new prekeys without
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* tying up the main thread.
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* https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API
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*
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* Because workers don't have access to the window or localStorage, we
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* create our own version that proxies back to the caller for actual
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* storage.
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*
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* Example usage:
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*
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var myWorker = new Worker('/js/key_worker.js');
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myWorker.onmessage = function(e) {
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switch(e.data.method) {
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case 'set':
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localStorage.setItem(e.data.key, e.data.value);
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break;
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case 'remove':
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localStorage.removeItem(e.data.key);
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break;
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case 'done':
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console.error(e.data.keys);
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}
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};
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*/
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let store = {};
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window.textsecure.storage.impl = {
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/** ***************************
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*** Override Storage Routines ***
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**************************** */
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put(key, value) {
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if (value === undefined) {
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throw new Error('Tried to store undefined');
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}
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store[key] = value;
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postMessage({ method: 'set', key, value });
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},
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get(key, defaultValue) {
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if (key in store) {
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return store[key];
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}
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return defaultValue;
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},
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remove(key) {
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delete store[key];
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postMessage({ method: 'remove', key });
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},
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};
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// eslint-disable-next-line no-undef
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onmessage = e => {
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store = e.data;
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textsecure.protocol_wrapper.generateKeys().then(keys => {
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postMessage({ method: 'done', keys });
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close();
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});
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};
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