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Cleanup OpenPGP.js
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parent
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2 changed files with 266 additions and 425 deletions
498
vendors/openpgp-2.6.2/dist/openpgp.js
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498
vendors/openpgp-2.6.2/dist/openpgp.js
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193
vendors/openpgp-2.6.2/src/worker/async_proxy.js
vendored
193
vendors/openpgp-2.6.2/src/worker/async_proxy.js
vendored
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@ -32,102 +32,105 @@ const INITIAL_RANDOM_SEED = 50000, // random bytes seeded to worker
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* @param {Object} worker alternative to path parameter: web worker initialized with 'openpgp.worker.js'
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* @return {Promise}
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*/
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export default function AsyncProxy({ path='openpgp.worker.js', worker, config } = {}) {
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this.worker = worker || new Worker(path);
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this.worker.onmessage = this.onMessage.bind(this);
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this.worker.onerror = e => {
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throw new Error('Unhandled error in openpgp worker: ' + e.message + ' (' + e.filename + ':' + e.lineno + ')');
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};
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this.seedRandom(INITIAL_RANDOM_SEED);
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export default class AsyncProxy {
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if (config) {
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this.worker.postMessage({ event:'configure', config });
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constructor({ path='openpgp.worker.js', worker, config } = {}) {
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this.worker = worker || new Worker(path);
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this.worker.onmessage = this.onMessage.bind(this);
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this.worker.onerror = e => {
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throw new Error('Unhandled error in openpgp worker: ' + e.message + ' (' + e.filename + ':' + e.lineno + ')');
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};
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this.seedRandom(INITIAL_RANDOM_SEED);
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if (config) {
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this.worker.postMessage({ event:'configure', config });
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}
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// Cannot rely on task order being maintained, use object keyed by request ID to track tasks
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this.tasks = {};
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this.currentID = 0;
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}
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// Cannot rely on task order being maintained, use object keyed by request ID to track tasks
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this.tasks = {};
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this.currentID = 0;
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/**
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* Get new request ID
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* @return {integer} New unique request ID
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*/
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getID() {
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return this.currentID++;
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}
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/**
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* Message handling
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*/
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onMessage(event) {
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const msg = event.data;
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switch (msg.event) {
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case 'method-return':
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if (msg.err) {
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// fail
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const err = new Error(msg.err);
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// add worker stack
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err.workerStack = msg.stack;
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this.tasks[msg.id].reject(err);
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} else {
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// success
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this.tasks[msg.id].resolve(msg.data);
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}
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delete this.tasks[msg.id];
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break;
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case 'request-seed':
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this.seedRandom(RANDOM_SEED_REQUEST);
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break;
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default:
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throw new Error('Unknown Worker Event.');
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}
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}
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/**
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* Send message to worker with random data
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* @param {Integer} size Number of bytes to send
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*/
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seedRandom(size) {
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const buf = this.getRandomBuffer(size);
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this.worker.postMessage({ event:'seed-random', buf }, util.getTransferables.call(util, buf));
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}
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/**
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* Get Uint8Array with random numbers
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* @param {Integer} size Length of buffer
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* @return {Uint8Array}
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*/
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getRandomBuffer(size) {
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if (!size) {
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return null;
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}
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const buf = new Uint8Array(size);
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crypto.random.getRandomValues(buf);
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return buf;
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}
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/**
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* Terminates the worker
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*/
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terminate() {
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this.worker.terminate();
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}
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/**
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* Generic proxy function that handles all commands from the public api.
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* @param {String} method the public api function to be delegated to the worker thread
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* @param {Object} options the api function's options
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* @return {Promise} see the corresponding public api functions for their return types
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*/
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delegate(method, options) {
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const id = this.getID();
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return new Promise((resolve, reject) => {
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// clone packets (for web worker structured cloning algorithm)
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this.worker.postMessage({ id:id, event:method, options:packet.clone.clonePackets(options) }, util.getTransferables.call(util, options));
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// remember to handle parsing cloned packets from worker
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this.tasks[id] = { resolve: data => resolve(packet.clone.parseClonedPackets(data, method)), reject };
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});
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}
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}
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/**
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* Get new request ID
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* @return {integer} New unique request ID
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*/
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AsyncProxy.prototype.getID = function() {
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return this.currentID++;
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};
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/**
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* Message handling
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*/
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AsyncProxy.prototype.onMessage = function(event) {
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const msg = event.data;
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switch (msg.event) {
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case 'method-return':
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if (msg.err) {
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// fail
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const err = new Error(msg.err);
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// add worker stack
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err.workerStack = msg.stack;
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this.tasks[msg.id].reject(err);
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} else {
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// success
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this.tasks[msg.id].resolve(msg.data);
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}
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delete this.tasks[msg.id];
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break;
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case 'request-seed':
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this.seedRandom(RANDOM_SEED_REQUEST);
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break;
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default:
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throw new Error('Unknown Worker Event.');
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}
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};
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/**
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* Send message to worker with random data
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* @param {Integer} size Number of bytes to send
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*/
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AsyncProxy.prototype.seedRandom = function(size) {
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const buf = this.getRandomBuffer(size);
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this.worker.postMessage({ event:'seed-random', buf }, util.getTransferables.call(util, buf));
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};
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/**
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* Get Uint8Array with random numbers
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* @param {Integer} size Length of buffer
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* @return {Uint8Array}
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*/
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AsyncProxy.prototype.getRandomBuffer = function(size) {
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if (!size) {
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return null;
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}
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const buf = new Uint8Array(size);
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crypto.random.getRandomValues(buf);
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return buf;
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};
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/**
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* Terminates the worker
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*/
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AsyncProxy.prototype.terminate = function() {
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this.worker.terminate();
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};
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/**
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* Generic proxy function that handles all commands from the public api.
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* @param {String} method the public api function to be delegated to the worker thread
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* @param {Object} options the api function's options
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* @return {Promise} see the corresponding public api functions for their return types
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*/
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AsyncProxy.prototype.delegate = function(method, options) {
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const id = this.getID();
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return new Promise((resolve, reject) => {
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// clone packets (for web worker structured cloning algorithm)
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this.worker.postMessage({ id:id, event:method, options:packet.clone.clonePackets(options) }, util.getTransferables.call(util, options));
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// remember to handle parsing cloned packets from worker
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this.tasks[id] = { resolve: data => resolve(packet.clone.parseClonedPackets(data, method)), reject };
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});
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};
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