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76 lines
2.3 KiB
JavaScript
76 lines
2.3 KiB
JavaScript
11 years ago
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/* vim: ts=4:sw=4
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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'use strict';
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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.log(e.data.keys);
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}
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};
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*/
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var 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: function(key, value) {
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if (value === undefined)
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throw new Error("Tried to store undefined");
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store[key] = value;
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postMessage({method: 'set', key: key, value: value});
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},
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get: function(key, defaultValue) {
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if (key in store) {
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return store[key];
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} else {
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return defaultValue;
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}
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},
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remove: function(key) {
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delete store[key];
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postMessage({method: 'remove', key: key});
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},
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};
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onmessage = function(e) {
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store = e.data;
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textsecure.protocol_wrapper.generateKeys().then(function(keys) {
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postMessage({method: 'done', keys: keys});
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close();
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});
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}
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