43 lines
1.4 KiB
JavaScript
43 lines
1.4 KiB
JavaScript
import window from 'global/window';
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import {Decrypter} from 'aes-decrypter';
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import { createTransferableMessage } from './bin-utils';
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/**
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* Our web worker interface so that things can talk to aes-decrypter
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* that will be running in a web worker. the scope is passed to this by
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* webworkify.
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*
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* @param {Object} self
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* the scope for the web worker
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*/
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const DecrypterWorker = function(self) {
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self.onmessage = function(event) {
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const data = event.data;
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const encrypted = new Uint8Array(data.encrypted.bytes,
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data.encrypted.byteOffset,
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data.encrypted.byteLength);
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const key = new Uint32Array(data.key.bytes,
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data.key.byteOffset,
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data.key.byteLength / 4);
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const iv = new Uint32Array(data.iv.bytes,
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data.iv.byteOffset,
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data.iv.byteLength / 4);
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/* eslint-disable no-new, handle-callback-err */
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new Decrypter(encrypted,
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key,
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iv,
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function(err, bytes) {
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window.postMessage(createTransferableMessage({
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source: data.source,
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decrypted: bytes
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}), [bytes.buffer]);
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});
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/* eslint-enable */
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};
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};
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export default (self) => {
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return new DecrypterWorker(self);
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};
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