Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
michael@0 | 3 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 4 | |
michael@0 | 5 | "use strict"; |
michael@0 | 6 | |
michael@0 | 7 | this.EXPORTED_SYMBOLS = [ |
michael@0 | 8 | "FakeCryptoService", |
michael@0 | 9 | "FakeFilesystemService", |
michael@0 | 10 | "FakeGUIDService", |
michael@0 | 11 | "fakeSHA256HMAC", |
michael@0 | 12 | ]; |
michael@0 | 13 | |
michael@0 | 14 | const {utils: Cu} = Components; |
michael@0 | 15 | |
michael@0 | 16 | Cu.import("resource://services-sync/record.js"); |
michael@0 | 17 | Cu.import("resource://services-sync/util.js"); |
michael@0 | 18 | |
michael@0 | 19 | let btoa = Cu.import("resource://gre/modules/Log.jsm").btoa; |
michael@0 | 20 | |
michael@0 | 21 | this.FakeFilesystemService = function FakeFilesystemService(contents) { |
michael@0 | 22 | this.fakeContents = contents; |
michael@0 | 23 | let self = this; |
michael@0 | 24 | |
michael@0 | 25 | Utils.jsonSave = function jsonSave(filePath, that, obj, callback) { |
michael@0 | 26 | let json = typeof obj == "function" ? obj.call(that) : obj; |
michael@0 | 27 | self.fakeContents["weave/" + filePath + ".json"] = JSON.stringify(json); |
michael@0 | 28 | callback.call(that); |
michael@0 | 29 | }; |
michael@0 | 30 | |
michael@0 | 31 | Utils.jsonLoad = function jsonLoad(filePath, that, cb) { |
michael@0 | 32 | let obj; |
michael@0 | 33 | let json = self.fakeContents["weave/" + filePath + ".json"]; |
michael@0 | 34 | if (json) { |
michael@0 | 35 | obj = JSON.parse(json); |
michael@0 | 36 | } |
michael@0 | 37 | cb.call(that, obj); |
michael@0 | 38 | }; |
michael@0 | 39 | }; |
michael@0 | 40 | |
michael@0 | 41 | this.fakeSHA256HMAC = function fakeSHA256HMAC(message) { |
michael@0 | 42 | message = message.substr(0, 64); |
michael@0 | 43 | while (message.length < 64) { |
michael@0 | 44 | message += " "; |
michael@0 | 45 | } |
michael@0 | 46 | return message; |
michael@0 | 47 | } |
michael@0 | 48 | |
michael@0 | 49 | this.FakeGUIDService = function FakeGUIDService() { |
michael@0 | 50 | let latestGUID = 0; |
michael@0 | 51 | |
michael@0 | 52 | Utils.makeGUID = function makeGUID() { |
michael@0 | 53 | return "fake-guid-" + latestGUID++; |
michael@0 | 54 | }; |
michael@0 | 55 | } |
michael@0 | 56 | |
michael@0 | 57 | /* |
michael@0 | 58 | * Mock implementation of WeaveCrypto. It does not encrypt or |
michael@0 | 59 | * decrypt, merely returning the input verbatim. |
michael@0 | 60 | */ |
michael@0 | 61 | this.FakeCryptoService = function FakeCryptoService() { |
michael@0 | 62 | this.counter = 0; |
michael@0 | 63 | |
michael@0 | 64 | delete Svc.Crypto; // get rid of the getter first |
michael@0 | 65 | Svc.Crypto = this; |
michael@0 | 66 | |
michael@0 | 67 | CryptoWrapper.prototype.ciphertextHMAC = function ciphertextHMAC(keyBundle) { |
michael@0 | 68 | return fakeSHA256HMAC(this.ciphertext); |
michael@0 | 69 | }; |
michael@0 | 70 | } |
michael@0 | 71 | FakeCryptoService.prototype = { |
michael@0 | 72 | |
michael@0 | 73 | encrypt: function encrypt(clearText, symmetricKey, iv) { |
michael@0 | 74 | return clearText; |
michael@0 | 75 | }, |
michael@0 | 76 | |
michael@0 | 77 | decrypt: function decrypt(cipherText, symmetricKey, iv) { |
michael@0 | 78 | return cipherText; |
michael@0 | 79 | }, |
michael@0 | 80 | |
michael@0 | 81 | generateRandomKey: function generateRandomKey() { |
michael@0 | 82 | return btoa("fake-symmetric-key-" + this.counter++); |
michael@0 | 83 | }, |
michael@0 | 84 | |
michael@0 | 85 | generateRandomIV: function generateRandomIV() { |
michael@0 | 86 | // A base64-encoded IV is 24 characters long |
michael@0 | 87 | return btoa("fake-fake-fake-random-iv"); |
michael@0 | 88 | }, |
michael@0 | 89 | |
michael@0 | 90 | expandData: function expandData(data, len) { |
michael@0 | 91 | return data; |
michael@0 | 92 | }, |
michael@0 | 93 | |
michael@0 | 94 | deriveKeyFromPassphrase: function deriveKeyFromPassphrase(passphrase, |
michael@0 | 95 | salt, keyLength) { |
michael@0 | 96 | return "some derived key string composed of bytes"; |
michael@0 | 97 | }, |
michael@0 | 98 | |
michael@0 | 99 | generateRandomBytes: function generateRandomBytes(byteCount) { |
michael@0 | 100 | return "not-so-random-now-are-we-HA-HA-HA! >:)".slice(byteCount); |
michael@0 | 101 | } |
michael@0 | 102 | }; |
michael@0 | 103 |