mirror of https://github.com/keeweb/keeweb.git
62 lines
2.2 KiB
JavaScript
62 lines
2.2 KiB
JavaScript
const kdbxweb = require('kdbxweb');
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const FeatureDetector = require('../util/feature-detector');
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const FeatureTester = {
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test() {
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return Promise.resolve()
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.then(() => this.checkWebAssembly())
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.then(() => this.checkWebCrypto())
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.then(() => this.checkLocalStorage());
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},
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checkWebAssembly() {
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try {
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const module = new global.WebAssembly.Module(Uint8Array.of(0x0, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00));
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return new global.WebAssembly.Instance(module) instanceof global.WebAssembly.Instance;
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} catch (e) {
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throw 'WebAssembly is not supported';
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}
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},
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checkWebCrypto() {
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return Promise.resolve().then(() => {
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const aesCbc = kdbxweb.CryptoEngine.createAesCbc();
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const key = '6b2796fa863a6552986c428528d053b76de7ba8e12f8c0e74edb5ed44da3f601';
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const data = 'e567554429098a38d5f819115edffd39';
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const iv = '4db46dff4add42cb813b98de98e627c4';
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const exp = '46ab4c37d9ec594e5742971f76f7c1620bc29f2e0736b27832d6bcc5c1c39dc1';
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return aesCbc
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.importKey(kdbxweb.ByteUtils.hexToBytes(key))
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.then(() => {
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return aesCbc
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.encrypt(kdbxweb.ByteUtils.hexToBytes(data), kdbxweb.ByteUtils.hexToBytes(iv))
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.then(res => {
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if (kdbxweb.ByteUtils.bytesToHex(res) !== exp) {
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throw 'AES is not working properly';
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}
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if (kdbxweb.CryptoEngine.random(1).length !== 1) {
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throw 'Random is not working';
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}
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});
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})
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.catch(e => {
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throw 'WebCrypto is not supported: ' + e;
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});
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});
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},
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checkLocalStorage() {
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if (FeatureDetector.isDesktop) {
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return;
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}
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try {
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localStorage.setItem('_test', '1');
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localStorage.removeItem('_test');
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} catch (e) {
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throw 'WebCrypto is not supported';
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}
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}
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};
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module.exports = FeatureTester;
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