mirror of
https://github.com/laurent22/joplin.git
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297 lines
11 KiB
TypeScript
297 lines
11 KiB
TypeScript
import { fileContentEqual, setupDatabaseAndSynchronizer, supportDir, switchClient, objectsEqual, checkThrowAsync, msleep } from '../testing/test-utils';
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import Folder from '../models/Folder';
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import Note from '../models/Note';
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import Setting from '../models/Setting';
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import BaseItem from '../models/BaseItem';
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import MasterKey from '../models/MasterKey';
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import EncryptionService from '../services/EncryptionService';
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import { setEncryptionEnabled } from '../services/synchronizer/syncInfoUtils';
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let service: EncryptionService = null;
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describe('services_EncryptionService', function() {
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beforeEach(async (done) => {
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await setupDatabaseAndSynchronizer(1);
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await switchClient(1);
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service = new EncryptionService();
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BaseItem.encryptionService_ = service;
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setEncryptionEnabled(true);
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done();
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});
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it('should encode and decode header', (async () => {
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const header = {
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encryptionMethod: EncryptionService.METHOD_SJCL,
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masterKeyId: '01234568abcdefgh01234568abcdefgh',
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};
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const encodedHeader = service.encodeHeader_(header);
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const decodedHeader = service.decodeHeaderBytes_(encodedHeader);
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delete decodedHeader.length;
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expect(objectsEqual(header, decodedHeader)).toBe(true);
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}));
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it('should generate and decrypt a master key', (async () => {
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const masterKey = await service.generateMasterKey('123456');
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expect(!!masterKey.content).toBe(true);
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let hasThrown = false;
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try {
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await service.decryptMasterKey_(masterKey, 'wrongpassword');
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} catch (error) {
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hasThrown = true;
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}
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expect(hasThrown).toBe(true);
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const decryptedMasterKey = await service.decryptMasterKey_(masterKey, '123456');
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expect(decryptedMasterKey.length).toBe(512);
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}));
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it('should upgrade a master key', (async () => {
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// Create an old style master key
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let masterKey = await service.generateMasterKey('123456', {
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encryptionMethod: EncryptionService.METHOD_SJCL_2,
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});
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masterKey = await MasterKey.save(masterKey);
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let upgradedMasterKey = await service.upgradeMasterKey(masterKey, '123456');
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upgradedMasterKey = await MasterKey.save(upgradedMasterKey);
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// Check that master key has been upgraded (different ciphertext)
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expect(masterKey.content).not.toBe(upgradedMasterKey.content);
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// Check that master key plain text is still the same
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const plainTextOld = await service.decryptMasterKey_(masterKey, '123456');
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const plainTextNew = await service.decryptMasterKey_(upgradedMasterKey, '123456');
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expect(plainTextOld).toBe(plainTextNew);
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// Check that old content can be decrypted with new master key
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await service.loadMasterKey(masterKey, '123456', true);
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const cipherText = await service.encryptString('some secret');
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const plainTextFromOld = await service.decryptString(cipherText);
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await service.loadMasterKey(upgradedMasterKey, '123456', true);
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const plainTextFromNew = await service.decryptString(cipherText);
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expect(plainTextFromOld).toBe(plainTextFromNew);
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}));
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it('should not upgrade master key if invalid password', (async () => {
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const masterKey = await service.generateMasterKey('123456', {
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encryptionMethod: EncryptionService.METHOD_SJCL_2,
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});
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await checkThrowAsync(async () => await service.upgradeMasterKey(masterKey, '777'));
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}));
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it('should require a checksum only for old master keys', (async () => {
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const masterKey = await service.generateMasterKey('123456', {
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encryptionMethod: EncryptionService.METHOD_SJCL_2,
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});
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expect(!!masterKey.checksum).toBe(true);
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expect(!!masterKey.content).toBe(true);
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}));
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it('should not require a checksum for new master keys', (async () => {
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const masterKey = await service.generateMasterKey('123456', {
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encryptionMethod: EncryptionService.METHOD_SJCL_4,
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});
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expect(!masterKey.checksum).toBe(true);
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expect(!!masterKey.content).toBe(true);
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const decryptedMasterKey = await service.decryptMasterKey_(masterKey, '123456');
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expect(decryptedMasterKey.length).toBe(512);
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}));
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it('should throw an error if master key decryption fails', (async () => {
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const masterKey = await service.generateMasterKey('123456', {
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encryptionMethod: EncryptionService.METHOD_SJCL_4,
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});
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const hasThrown = await checkThrowAsync(async () => await service.decryptMasterKey_(masterKey, 'wrong'));
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expect(hasThrown).toBe(true);
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}));
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it('should return the master keys that need an upgrade', (async () => {
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const masterKey1 = await MasterKey.save(await service.generateMasterKey('123456', {
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encryptionMethod: EncryptionService.METHOD_SJCL_2,
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}));
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const masterKey2 = await MasterKey.save(await service.generateMasterKey('123456', {
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encryptionMethod: EncryptionService.METHOD_SJCL,
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}));
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await MasterKey.save(await service.generateMasterKey('123456'));
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const needUpgrade = service.masterKeysThatNeedUpgrading(await MasterKey.all());
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expect(needUpgrade.length).toBe(2);
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expect(needUpgrade.map(k => k.id).sort()).toEqual([masterKey1.id, masterKey2.id].sort());
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}));
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it('should encrypt and decrypt with a master key', (async () => {
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let masterKey = await service.generateMasterKey('123456');
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masterKey = await MasterKey.save(masterKey);
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await service.loadMasterKey(masterKey, '123456', true);
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const cipherText = await service.encryptString('some secret');
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const plainText = await service.decryptString(cipherText);
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expect(plainText).toBe('some secret');
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// Test that a long string, that is going to be split into multiple chunks, encrypt
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// and decrypt properly too.
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let veryLongSecret = '';
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for (let i = 0; i < service.chunkSize() * 3; i++) veryLongSecret += Math.floor(Math.random() * 9);
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const cipherText2 = await service.encryptString(veryLongSecret);
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const plainText2 = await service.decryptString(cipherText2);
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expect(plainText2 === veryLongSecret).toBe(true);
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}));
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it('should decrypt various encryption methods', (async () => {
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let masterKey = await service.generateMasterKey('123456');
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masterKey = await MasterKey.save(masterKey);
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await service.loadMasterKey(masterKey, '123456', true);
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{
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const cipherText = await service.encryptString('some secret', {
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encryptionMethod: EncryptionService.METHOD_SJCL_2,
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});
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const plainText = await service.decryptString(cipherText);
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expect(plainText).toBe('some secret');
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const header = await service.decodeHeaderString(cipherText);
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expect(header.encryptionMethod).toBe(EncryptionService.METHOD_SJCL_2);
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}
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{
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const cipherText = await service.encryptString('some secret', {
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encryptionMethod: EncryptionService.METHOD_SJCL_3,
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});
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const plainText = await service.decryptString(cipherText);
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expect(plainText).toBe('some secret');
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const header = await service.decodeHeaderString(cipherText);
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expect(header.encryptionMethod).toBe(EncryptionService.METHOD_SJCL_3);
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}
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}));
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it('should fail to decrypt if master key not present', (async () => {
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let masterKey = await service.generateMasterKey('123456');
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masterKey = await MasterKey.save(masterKey);
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await service.loadMasterKey(masterKey, '123456', true);
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const cipherText = await service.encryptString('some secret');
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await service.unloadMasterKey(masterKey);
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const hasThrown = await checkThrowAsync(async () => await service.decryptString(cipherText));
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expect(hasThrown).toBe(true);
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}));
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it('should fail to decrypt if data tampered with', (async () => {
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let masterKey = await service.generateMasterKey('123456');
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masterKey = await MasterKey.save(masterKey);
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await service.loadMasterKey(masterKey, '123456', true);
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let cipherText = await service.encryptString('some secret');
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cipherText += 'ABCDEFGHIJ';
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const hasThrown = await checkThrowAsync(async () => await service.decryptString(cipherText));
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expect(hasThrown).toBe(true);
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}));
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it('should encrypt and decrypt notes and folders', (async () => {
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let masterKey = await service.generateMasterKey('123456');
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masterKey = await MasterKey.save(masterKey);
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await service.loadMasterKey(masterKey, '123456', true);
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const folder = await Folder.save({ title: 'folder' });
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const note = await Note.save({ title: 'encrypted note', body: 'something', parent_id: folder.id });
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const serialized = await Note.serializeForSync(note);
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const deserialized = Note.filter(await Note.unserialize(serialized));
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// Check that required properties are not encrypted
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expect(deserialized.id).toBe(note.id);
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expect(deserialized.parent_id).toBe(note.parent_id);
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expect(deserialized.updated_time).toBe(note.updated_time);
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// Check that at least title and body are encrypted
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expect(!deserialized.title).toBe(true);
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expect(!deserialized.body).toBe(true);
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// Check that encrypted data is there
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expect(!!deserialized.encryption_cipher_text).toBe(true);
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const encryptedNote = await Note.save(deserialized);
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const decryptedNote = await Note.decrypt(encryptedNote);
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expect(decryptedNote.title).toBe(note.title);
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expect(decryptedNote.body).toBe(note.body);
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expect(decryptedNote.id).toBe(note.id);
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expect(decryptedNote.parent_id).toBe(note.parent_id);
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}));
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it('should encrypt and decrypt files', (async () => {
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let masterKey = await service.generateMasterKey('123456');
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masterKey = await MasterKey.save(masterKey);
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await service.loadMasterKey(masterKey, '123456', true);
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const sourcePath = `${supportDir}/photo.jpg`;
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const encryptedPath = `${Setting.value('tempDir')}/photo.crypted`;
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const decryptedPath = `${Setting.value('tempDir')}/photo.jpg`;
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await service.encryptFile(sourcePath, encryptedPath);
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await service.decryptFile(encryptedPath, decryptedPath);
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expect(fileContentEqual(sourcePath, encryptedPath)).toBe(false);
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expect(fileContentEqual(sourcePath, decryptedPath)).toBe(true);
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}));
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it('should encrypt invalid UTF-8 data', (async () => {
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let masterKey = await service.generateMasterKey('123456');
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masterKey = await MasterKey.save(masterKey);
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await service.loadMasterKey(masterKey, '123456', true);
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// First check that we can replicate the error with the old encryption method
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service.defaultEncryptionMethod_ = EncryptionService.METHOD_SJCL;
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const hasThrown = await checkThrowAsync(async () => await service.encryptString('🐶🐶🐶'.substr(0,5)));
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expect(hasThrown).toBe(true);
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// Now check that the new one fixes the problem
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service.defaultEncryptionMethod_ = EncryptionService.METHOD_SJCL_1A;
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const cipherText = await service.encryptString('🐶🐶🐶'.substr(0,5));
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const plainText = await service.decryptString(cipherText);
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expect(plainText).toBe('🐶🐶🐶'.substr(0,5));
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}));
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it('should check if a master key is loaded', (async () => {
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let masterKey = await service.generateMasterKey('123456');
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masterKey = await MasterKey.save(masterKey);
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await service.loadMasterKey(masterKey, '123456', true);
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expect(service.isMasterKeyLoaded(masterKey)).toBe(true);
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await msleep(1);
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// If the master key is modified afterwards it should report that it is
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// *not* loaded since it doesn't have this new version.
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masterKey = await MasterKey.save(masterKey);
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expect(service.isMasterKeyLoaded(masterKey)).toBe(false);
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}));
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});
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