(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o} Empty promise whose resolution indicates that the buffer has been refilled */ function randomCallback() { if (!randomRequested) { self.postMessage({ event: 'request-seed', amount: MAX_SIZE_RANDOM_BUFFER }); } randomRequested = true; return new Promise(function(resolve, reject) { randomQueue.push(resolve); }); } openpgp.crypto.random.randomBuffer.init(MAX_SIZE_RANDOM_BUFFER, randomCallback); /** * Handle messages from the main window. * @param {Object} event Contains event type and data */ self.onmessage = function(event) { var msg = event.data || {}; switch (msg.event) { case 'configure': configure(msg.config); break; case 'seed-random': seedRandom(msg.buf); var queueCopy = randomQueue; randomQueue = []; for (var i = 0; i < queueCopy.length; i++) { queueCopy[i](); } break; default: delegate(msg.id, msg.event, msg.options || {}); } }; /** * Set config from main context to worker context. * @param {Object} config The openpgp configuration */ function configure(config) { for (var i in config) { openpgp.config[i] = config[i]; } } /** * Seed the library with entropy gathered window.crypto.getRandomValues * as this api is only avalible in the main window. * @param {ArrayBuffer} buffer Some random bytes */ function seedRandom(buffer) { if (!(buffer instanceof Uint8Array)) { buffer = new Uint8Array(buffer); } openpgp.crypto.random.randomBuffer.set(buffer); } /** * Generic proxy function that handles all commands from the public api. * @param {String} method The public api function to be delegated to the worker thread * @param {Object} options The api function's options */ function delegate(id, method, options) { if (typeof openpgp[method] !== 'function') { response({ id:id, event:'method-return', err:'Unknown Worker Event' }); return; } // parse cloned packets options = openpgp.packet.clone.parseClonedPackets(options, method); openpgp[method](options).then(function(data) { // clone packets (for web worker structured cloning algorithm) response({ id:id, event:'method-return', data:openpgp.packet.clone.clonePackets(data) }); }).catch(function(e) { response({ id:id, event:'method-return', err:e.message, stack:e.stack }); }); } /** * Respond to the main window. * @param {Object} event Contains event type and data */ function response(event) { if (!randomRequested && openpgp.crypto.random.randomBuffer.size < MIN_SIZE_RANDOM_BUFFER) { self.postMessage({ event: 'request-seed', amount: MIN_SIZE_RANDOM_REQUEST }); } self.postMessage(event, openpgp.util.getTransferables(event.data)); } },{}]},{},[1]);