зеркало из https://github.com/mozilla/gecko-dev.git
104 строки
2.7 KiB
JavaScript
104 строки
2.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.EXPORTED_SYMBOLS = [
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"FakeCryptoService",
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"FakeFilesystemService",
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"FakeGUIDService",
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"fakeSHA256HMAC",
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];
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const {utils: Cu} = Components;
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Cu.import("resource://services-sync/record.js");
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Cu.import("resource://services-sync/util.js");
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let btoa = Cu.import("resource://services-common/log4moz.js").btoa;
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this.FakeFilesystemService = function FakeFilesystemService(contents) {
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this.fakeContents = contents;
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let self = this;
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Utils.jsonSave = function jsonSave(filePath, that, obj, callback) {
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let json = typeof obj == "function" ? obj.call(that) : obj;
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self.fakeContents["weave/" + filePath + ".json"] = JSON.stringify(json);
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callback.call(that);
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};
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Utils.jsonLoad = function jsonLoad(filePath, that, cb) {
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let obj;
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let json = self.fakeContents["weave/" + filePath + ".json"];
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if (json) {
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obj = JSON.parse(json);
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}
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cb.call(that, obj);
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};
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};
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this.fakeSHA256HMAC = function fakeSHA256HMAC(message) {
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message = message.substr(0, 64);
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while (message.length < 64) {
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message += " ";
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}
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return message;
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}
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this.FakeGUIDService = function FakeGUIDService() {
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let latestGUID = 0;
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Utils.makeGUID = function makeGUID() {
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return "fake-guid-" + latestGUID++;
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};
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}
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/*
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* Mock implementation of WeaveCrypto. It does not encrypt or
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* decrypt, merely returning the input verbatim.
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*/
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this.FakeCryptoService = function FakeCryptoService() {
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this.counter = 0;
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delete Svc.Crypto; // get rid of the getter first
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Svc.Crypto = this;
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CryptoWrapper.prototype.ciphertextHMAC = function ciphertextHMAC(keyBundle) {
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return fakeSHA256HMAC(this.ciphertext);
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};
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}
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FakeCryptoService.prototype = {
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encrypt: function encrypt(clearText, symmetricKey, iv) {
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return clearText;
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},
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decrypt: function decrypt(cipherText, symmetricKey, iv) {
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return cipherText;
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},
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generateRandomKey: function generateRandomKey() {
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return btoa("fake-symmetric-key-" + this.counter++);
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},
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generateRandomIV: function generateRandomIV() {
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// A base64-encoded IV is 24 characters long
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return btoa("fake-fake-fake-random-iv");
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},
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expandData: function expandData(data, len) {
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return data;
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},
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deriveKeyFromPassphrase: function deriveKeyFromPassphrase(passphrase,
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salt, keyLength) {
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return "some derived key string composed of bytes";
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},
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generateRandomBytes: function generateRandomBytes(byteCount) {
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return "not-so-random-now-are-we-HA-HA-HA! >:)".slice(byteCount);
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}
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};
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