decrypter-worker.js
1.42 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
import window from 'global/window';
import {Decrypter} from 'aes-decrypter';
import { createTransferableMessage } from './bin-utils';
/**
* Our web worker interface so that things can talk to aes-decrypter
* that will be running in a web worker. the scope is passed to this by
* webworkify.
*
* @param {Object} self
* the scope for the web worker
*/
const DecrypterWorker = function(self) {
self.onmessage = function(event) {
const data = event.data;
const encrypted = new Uint8Array(data.encrypted.bytes,
data.encrypted.byteOffset,
data.encrypted.byteLength);
const key = new Uint32Array(data.key.bytes,
data.key.byteOffset,
data.key.byteLength / 4);
const iv = new Uint32Array(data.iv.bytes,
data.iv.byteOffset,
data.iv.byteLength / 4);
/* eslint-disable no-new, handle-callback-err */
new Decrypter(encrypted,
key,
iv,
function(err, bytes) {
window.postMessage(createTransferableMessage({
source: data.source,
decrypted: bytes
}), [bytes.buffer]);
});
/* eslint-enable */
};
};
export default (self) => {
return new DecrypterWorker(self);
};