616 lines
20 KiB
PHP
Executable file
616 lines
20 KiB
PHP
Executable file
<?php
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/**
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* Copyright (c) 2012 Sam Tuke <samtuke@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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require_once __DIR__ . '/../../../lib/base.php';
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require_once __DIR__ . '/../lib/crypt.php';
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require_once __DIR__ . '/../lib/keymanager.php';
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require_once __DIR__ . '/../lib/proxy.php';
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require_once __DIR__ . '/../lib/stream.php';
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require_once __DIR__ . '/../lib/util.php';
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require_once __DIR__ . '/../appinfo/app.php';
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use OCA\Encryption;
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/**
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* Class Test_Encryption_Util
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*/
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class Test_Encryption_Util extends \PHPUnit_Framework_TestCase {
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const TEST_ENCRYPTION_UTIL_USER1 = "test-util-user1";
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const TEST_ENCRYPTION_UTIL_LEGACY_USER = "test-legacy-user";
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public $userId;
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public $encryptionDir;
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public $publicKeyDir;
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public $pass;
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/**
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* @var OC\Files\View
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*/
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public $view;
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public $keyfilesPath;
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public $publicKeyPath;
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public $privateKeyPath;
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/**
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* @var \OCA\Encryption\Util
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*/
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public $util;
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public $dataShort;
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public $legacyEncryptedData;
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public $legacyEncryptedDataKey;
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public $legacyKey;
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public $stateFilesTrashbin;
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public static function setUpBeforeClass() {
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// reset backend
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\OC_User::clearBackends();
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\OC_User::useBackend('database');
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// Filesystem related hooks
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\OCA\Encryption\Helper::registerFilesystemHooks();
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// clear and register hooks
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\OC_FileProxy::clearProxies();
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\OC_FileProxy::register(new OCA\Encryption\Proxy());
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// create test user
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1, true);
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER, true);
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}
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function setUp() {
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// login user
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1);
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\OC_User::setUserId(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1);
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$this->userId = \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1;
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$this->pass = \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1;
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// set content for encrypting / decrypting in tests
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$this->dataUrl = __DIR__ . '/../lib/crypt.php';
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$this->dataShort = 'hats';
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$this->dataLong = file_get_contents(__DIR__ . '/../lib/crypt.php');
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$this->legacyData = __DIR__ . '/legacy-text.txt';
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$this->legacyEncryptedData = __DIR__ . '/legacy-encrypted-text.txt';
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$this->legacyEncryptedDataKey = __DIR__ . '/encryption.key';
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$this->legacyKey = "30943623843030686906\0\0\0\0";
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$keypair = Encryption\Crypt::createKeypair();
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$this->genPublicKey = $keypair['publicKey'];
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$this->genPrivateKey = $keypair['privateKey'];
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$this->publicKeyDir = '/' . 'public-keys';
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$this->encryptionDir = '/' . $this->userId . '/' . 'files_encryption';
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$this->keyfilesPath = $this->encryptionDir . '/' . 'keyfiles';
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$this->publicKeyPath =
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$this->publicKeyDir . '/' . $this->userId . '.public.key'; // e.g. data/public-keys/admin.public.key
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$this->privateKeyPath =
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$this->encryptionDir . '/' . $this->userId . '.private.key'; // e.g. data/admin/admin.private.key
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$this->view = new \OC\Files\View('/');
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$this->util = new Encryption\Util($this->view, $this->userId);
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// remember files_trashbin state
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$this->stateFilesTrashbin = OC_App::isEnabled('files_trashbin');
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// we don't want to tests with app files_trashbin enabled
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\OC_App::disable('files_trashbin');
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}
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function tearDown() {
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// reset app files_trashbin
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if ($this->stateFilesTrashbin) {
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OC_App::enable('files_trashbin');
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}
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else {
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OC_App::disable('files_trashbin');
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}
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}
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public static function tearDownAfterClass() {
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// cleanup test user
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\OC_User::deleteUser(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1);
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\OC_User::deleteUser(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER);
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}
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/**
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* @medium
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* test that paths set during User construction are correct
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*/
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function testKeyPaths() {
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$util = new Encryption\Util($this->view, $this->userId);
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$this->assertEquals($this->publicKeyDir, $util->getPath('publicKeyDir'));
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$this->assertEquals($this->encryptionDir, $util->getPath('encryptionDir'));
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$this->assertEquals($this->keyfilesPath, $util->getPath('keyfilesPath'));
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$this->assertEquals($this->publicKeyPath, $util->getPath('publicKeyPath'));
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$this->assertEquals($this->privateKeyPath, $util->getPath('privateKeyPath'));
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}
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/**
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* @medium
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* test detection of encrypted files
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*/
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function testIsEncryptedPath() {
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$util = new Encryption\Util($this->view, $this->userId);
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self::loginHelper($this->userId);
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$unencryptedFile = '/tmpUnencrypted-' . uniqid() . '.txt';
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$encryptedFile = '/tmpEncrypted-' . uniqid() . '.txt';
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// Disable encryption proxy to write a unencrypted file
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$proxyStatus = \OC_FileProxy::$enabled;
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\OC_FileProxy::$enabled = false;
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$this->view->file_put_contents($this->userId . '/files/' . $unencryptedFile, $this->dataShort);
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// Re-enable proxy - our work is done
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\OC_FileProxy::$enabled = $proxyStatus;
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// write a encrypted file
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$this->view->file_put_contents($this->userId . '/files/' . $encryptedFile, $this->dataShort);
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// test if both files are detected correctly
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$this->assertFalse($util->isEncryptedPath($this->userId . '/files/' . $unencryptedFile));
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$this->assertTrue($util->isEncryptedPath($this->userId . '/files/' . $encryptedFile));
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// cleanup
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$this->view->unlink($this->userId . '/files/' . $unencryptedFile, $this->dataShort);
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$this->view->unlink($this->userId . '/files/' . $encryptedFile, $this->dataShort);
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}
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/**
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* @medium
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* test setup of encryption directories
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*/
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function testSetupServerSide() {
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$this->assertEquals(true, $this->util->setupServerSide($this->pass));
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}
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/**
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* @medium
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* test checking whether account is ready for encryption,
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*/
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function testUserIsReady() {
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$this->assertEquals(true, $this->util->ready());
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}
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/**
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* test checking whether account is not ready for encryption,
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*/
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// function testUserIsNotReady() {
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// $this->view->unlink($this->publicKeyDir);
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//
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// $params['uid'] = $this->userId;
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// $params['password'] = $this->pass;
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// $this->assertFalse(OCA\Encryption\Hooks::login($params));
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//
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// $this->view->unlink($this->privateKeyPath);
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// }
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/**
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* @medium
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* test checking whether account is not ready for encryption,
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*/
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function testIsLegacyUser() {
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER);
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$userView = new \OC\Files\View('/' . \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER);
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// Disable encryption proxy to prevent recursive calls
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$proxyStatus = \OC_FileProxy::$enabled;
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\OC_FileProxy::$enabled = false;
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$encryptionKeyContent = file_get_contents($this->legacyEncryptedDataKey);
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$userView->file_put_contents('/encryption.key', $encryptionKeyContent);
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\OC_FileProxy::$enabled = $proxyStatus;
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$params['uid'] = \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER;
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$params['password'] = \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER;
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$this->setMigrationStatus(0, \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER);
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$this->assertTrue(OCA\Encryption\Hooks::login($params));
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$this->assertEquals($this->legacyKey, \OC::$session->get('legacyKey'));
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}
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/**
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* @medium
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*/
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function testRecoveryEnabledForUser() {
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$util = new Encryption\Util($this->view, $this->userId);
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// Record the value so we can return it to it's original state later
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$enabled = $util->recoveryEnabledForUser();
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$this->assertTrue($util->setRecoveryForUser(1));
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$this->assertEquals(1, $util->recoveryEnabledForUser());
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$this->assertTrue($util->setRecoveryForUser(0));
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$this->assertEquals(0, $util->recoveryEnabledForUser());
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// Return the setting to it's previous state
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$this->assertTrue($util->setRecoveryForUser($enabled));
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}
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/**
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* @medium
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*/
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function testGetUidAndFilename() {
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\OC_User::setUserId(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1);
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$filename = '/tmp-' . uniqid() . '.test';
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// Disable encryption proxy to prevent recursive calls
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$proxyStatus = \OC_FileProxy::$enabled;
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\OC_FileProxy::$enabled = false;
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$this->view->file_put_contents($this->userId . '/files/' . $filename, $this->dataShort);
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// Re-enable proxy - our work is done
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\OC_FileProxy::$enabled = $proxyStatus;
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$util = new Encryption\Util($this->view, $this->userId);
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list($fileOwnerUid, $file) = $util->getUidAndFilename($filename);
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$this->assertEquals(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1, $fileOwnerUid);
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$this->assertEquals($file, $filename);
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$this->view->unlink($this->userId . '/files/' . $filename);
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}
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/**
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< * Test that data that is read by the crypto stream wrapper
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*/
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function testGetFileSize() {
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_USER1);
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$filename = 'tmp-' . uniqid();
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$externalFilename = '/' . $this->userId . '/files/' . $filename;
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// Test for 0 byte files
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$problematicFileSizeData = "";
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$cryptedFile = $this->view->file_put_contents($externalFilename, $problematicFileSizeData);
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$this->assertTrue(is_int($cryptedFile));
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$this->assertEquals($this->util->getFileSize($externalFilename), 0);
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$decrypt = $this->view->file_get_contents($externalFilename);
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$this->assertEquals($problematicFileSizeData, $decrypt);
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$this->view->unlink($this->userId . '/files/' . $filename);
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// Test a file with 18377 bytes as in https://github.com/owncloud/mirall/issues/1009
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$problematicFileSizeData = str_pad("", 18377, "abc");
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$cryptedFile = $this->view->file_put_contents($externalFilename, $problematicFileSizeData);
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$this->assertTrue(is_int($cryptedFile));
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$this->assertEquals($this->util->getFileSize($externalFilename), 18377);
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$decrypt = $this->view->file_get_contents($externalFilename);
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$this->assertEquals($problematicFileSizeData, $decrypt);
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$this->view->unlink($this->userId . '/files/' . $filename);
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}
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/**
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* @medium
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*/
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function testIsSharedPath() {
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$sharedPath = '/user1/files/Shared/test';
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$path = '/user1/files/test';
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$this->assertTrue($this->util->isSharedPath($sharedPath));
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$this->assertFalse($this->util->isSharedPath($path));
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}
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function testEncryptAll() {
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$filename = "/encryptAll" . uniqid() . ".txt";
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$util = new Encryption\Util($this->view, $this->userId);
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// disable encryption to upload a unencrypted file
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\OC_App::disable('files_encryption');
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$this->view->file_put_contents($this->userId . '/files/' . $filename, $this->dataShort);
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$fileInfoUnencrypted = $this->view->getFileInfo($this->userId . '/files/' . $filename);
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$this->assertTrue($fileInfoUnencrypted instanceof \OC\Files\FileInfo);
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// enable file encryption again
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\OC_App::enable('files_encryption');
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// encrypt all unencrypted files
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$util->encryptAll('/' . $this->userId . '/' . 'files');
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$fileInfoEncrypted = $this->view->getFileInfo($this->userId . '/files/' . $filename);
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$this->assertTrue($fileInfoEncrypted instanceof \OC\Files\FileInfo);
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// check if mtime and etags unchanged
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$this->assertEquals($fileInfoEncrypted['mtime'], $fileInfoUnencrypted['mtime']);
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$this->assertSame($fileInfoEncrypted['etag'], $fileInfoUnencrypted['etag']);
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$this->view->unlink($this->userId . '/files/' . $filename);
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}
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function testDecryptAll() {
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$filename = "/decryptAll" . uniqid() . ".txt";
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$datadir = \OC_Config::getValue('datadirectory', \OC::$SERVERROOT . '/data/');
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$userdir = $datadir . '/' . $this->userId . '/files/';
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$util = new Encryption\Util($this->view, $this->userId);
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$this->view->file_put_contents($this->userId . '/files/' . $filename, $this->dataShort);
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$fileInfoEncrypted = $this->view->getFileInfo($this->userId . '/files/' . $filename);
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$this->assertTrue($fileInfoEncrypted instanceof \OC\Files\FileInfo);
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$this->assertEquals($fileInfoEncrypted['encrypted'], 1);
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$encContent = file_get_contents($userdir . $filename);
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\OC_App::disable('files_encryption');
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$user = \OCP\User::getUser();
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$this->logoutHelper();
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$this->loginHelper($user, false, false, false);
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$content = file_get_contents($userdir . $filename);
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//content should be encrypted
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$this->assertSame($encContent, $content);
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// now we load the encryption app again
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OC_App::loadApp('files_encryption');
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// init encryption app
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$params = array('uid' => \OCP\User::getUser(),
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'password' => \OCP\User::getUser());
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$view = new OC\Files\View('/');
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$util = new \OCA\Encryption\Util($view, \OCP\User::getUser());
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$result = $util->initEncryption($params);
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$this->assertTrue($result instanceof \OCA\Encryption\Session);
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$successful = $util->decryptAll();
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$this->assertTrue($successful);
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$this->logoutHelper();
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$this->loginHelper($user, false, false, false);
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// file should be unencrypted and fileInfo should contain the correct values
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$content = file_get_contents($userdir . $filename);
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// now we should get the plain data
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$this->assertSame($this->dataShort, $content);
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$fileInfoUnencrypted = $this->view->getFileInfo($this->userId . '/files/' . $filename);
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$this->assertTrue($fileInfoUnencrypted instanceof \OC\Files\FileInfo);
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// check if mtime and etags unchanged
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$this->assertEquals($fileInfoEncrypted['mtime'], $fileInfoUnencrypted['mtime']);
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$this->assertSame($fileInfoEncrypted['etag'], $fileInfoUnencrypted['etag']);
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// file should no longer be encrypted
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$this->assertEquals(0, $fileInfoUnencrypted['encrypted']);
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// check if the keys where moved to the backup location
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$this->assertTrue($this->view->is_dir($this->userId . '/files_encryption/keyfiles.backup'));
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$this->assertTrue($this->view->file_exists($this->userId . '/files_encryption/keyfiles.backup/' . $filename . '.key'));
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$this->assertTrue($this->view->is_dir($this->userId . '/files_encryption/share-keys.backup'));
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$this->assertTrue($this->view->file_exists($this->userId . '/files_encryption/share-keys.backup/' . $filename . '.' . $user . '.shareKey'));
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// cleanup
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$this->view->unlink($this->userId . '/files/' . $filename);
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$this->view->deleteAll($this->userId . '/files_encryption/keyfiles.backup');
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$this->view->deleteAll($this->userId . '/files_encryption/share-keys.backup');
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OC_App::enable('files_encryption');
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}
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function testDescryptAllWithBrokenFiles() {
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$file1 = "/decryptAll1" . uniqid() . ".txt";
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$file2 = "/decryptAll2" . uniqid() . ".txt";
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$util = new Encryption\Util($this->view, $this->userId);
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$this->view->file_put_contents($this->userId . '/files/' . $file1, $this->dataShort);
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$this->view->file_put_contents($this->userId . '/files/' . $file2, $this->dataShort);
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$fileInfoEncrypted1 = $this->view->getFileInfo($this->userId . '/files/' . $file1);
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$fileInfoEncrypted2 = $this->view->getFileInfo($this->userId . '/files/' . $file2);
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$this->assertTrue($fileInfoEncrypted1 instanceof \OC\Files\FileInfo);
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$this->assertTrue($fileInfoEncrypted2 instanceof \OC\Files\FileInfo);
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$this->assertEquals($fileInfoEncrypted1['encrypted'], 1);
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$this->assertEquals($fileInfoEncrypted2['encrypted'], 1);
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// rename keyfile for file1 so that the decryption for file1 fails
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// Expected behaviour: decryptAll() returns false, file2 gets decrypted anyway
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$this->view->rename($this->userId . '/files_encryption/keyfiles/' . $file1 . '.key',
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$this->userId . '/files_encryption/keyfiles/' . $file1 . '.key.moved');
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// decrypt all encrypted files
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$result = $util->decryptAll('/' . $this->userId . '/' . 'files');
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$this->assertFalse($result);
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$fileInfoUnencrypted1 = $this->view->getFileInfo($this->userId . '/files/' . $file1);
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$fileInfoUnencrypted2 = $this->view->getFileInfo($this->userId . '/files/' . $file2);
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$this->assertTrue($fileInfoUnencrypted1 instanceof \OC\Files\FileInfo);
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$this->assertTrue($fileInfoUnencrypted2 instanceof \OC\Files\FileInfo);
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// file1 should be still encrypted; file2 should be decrypted
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$this->assertEquals(1, $fileInfoUnencrypted1['encrypted']);
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$this->assertEquals(0, $fileInfoUnencrypted2['encrypted']);
|
|
|
|
// keyfiles and share keys should still exist
|
|
$this->assertTrue($this->view->is_dir($this->userId . '/files_encryption/keyfiles/'));
|
|
$this->assertTrue($this->view->is_dir($this->userId . '/files_encryption/share-keys/'));
|
|
|
|
// rename the keyfile for file1 back
|
|
$this->view->rename($this->userId . '/files_encryption/keyfiles/' . $file1 . '.key.moved',
|
|
$this->userId . '/files_encryption/keyfiles/' . $file1 . '.key');
|
|
|
|
// try again to decrypt all encrypted files
|
|
$result = $util->decryptAll('/' . $this->userId . '/' . 'files');
|
|
|
|
$this->assertTrue($result);
|
|
|
|
$fileInfoUnencrypted1 = $this->view->getFileInfo($this->userId . '/files/' . $file1);
|
|
$fileInfoUnencrypted2 = $this->view->getFileInfo($this->userId . '/files/' . $file2);
|
|
|
|
$this->assertTrue($fileInfoUnencrypted1 instanceof \OC\Files\FileInfo);
|
|
$this->assertTrue($fileInfoUnencrypted2 instanceof \OC\Files\FileInfo);
|
|
|
|
// now both files should be decrypted
|
|
$this->assertEquals(0, $fileInfoUnencrypted1['encrypted']);
|
|
$this->assertEquals(0, $fileInfoUnencrypted2['encrypted']);
|
|
|
|
// keyfiles and share keys should be deleted
|
|
$this->assertFalse($this->view->is_dir($this->userId . '/files_encryption/keyfiles/'));
|
|
$this->assertFalse($this->view->is_dir($this->userId . '/files_encryption/share-keys/'));
|
|
|
|
//cleanup
|
|
$this->view->unlink($this->userId . '/files/' . $file1);
|
|
$this->view->unlink($this->userId . '/files/' . $file2);
|
|
$this->view->deleteAll($this->userId . '/files_encryption/keyfiles.backup');
|
|
$this->view->deleteAll($this->userId . '/files_encryption/share-keys.backup');
|
|
|
|
}
|
|
|
|
/**
|
|
* @large
|
|
*/
|
|
function testEncryptLegacyFiles() {
|
|
\Test_Encryption_Util::loginHelper(\Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER);
|
|
|
|
$userView = new \OC\Files\View('/' . \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER);
|
|
$view = new \OC\Files\View('/' . \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER . '/files');
|
|
|
|
// Disable encryption proxy to prevent recursive calls
|
|
$proxyStatus = \OC_FileProxy::$enabled;
|
|
\OC_FileProxy::$enabled = false;
|
|
|
|
$encryptionKeyContent = file_get_contents($this->legacyEncryptedDataKey);
|
|
$userView->file_put_contents('/encryption.key', $encryptionKeyContent);
|
|
|
|
$legacyEncryptedData = file_get_contents($this->legacyEncryptedData);
|
|
$view->mkdir('/test/');
|
|
$view->mkdir('/test/subtest/');
|
|
$view->file_put_contents('/test/subtest/legacy-encrypted-text.txt', $legacyEncryptedData);
|
|
|
|
$fileInfo = $view->getFileInfo('/test/subtest/legacy-encrypted-text.txt');
|
|
$fileInfo['encrypted'] = true;
|
|
$view->putFileInfo('/test/subtest/legacy-encrypted-text.txt', $fileInfo);
|
|
|
|
\OC_FileProxy::$enabled = $proxyStatus;
|
|
|
|
$params['uid'] = \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER;
|
|
$params['password'] = \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER;
|
|
|
|
$util = new Encryption\Util($this->view, \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER);
|
|
$this->setMigrationStatus(0, \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER);
|
|
|
|
$this->assertTrue(OCA\Encryption\Hooks::login($params));
|
|
|
|
$this->assertEquals($this->legacyKey, \OC::$session->get('legacyKey'));
|
|
|
|
$files = $util->findEncFiles('/' . \Test_Encryption_Util::TEST_ENCRYPTION_UTIL_LEGACY_USER . '/files/');
|
|
|
|
$this->assertTrue(is_array($files));
|
|
|
|
$found = false;
|
|
foreach ($files['encrypted'] as $encryptedFile) {
|
|
if ($encryptedFile['name'] === 'legacy-encrypted-text.txt') {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
$this->assertTrue($found);
|
|
}
|
|
|
|
/**
|
|
* @param string $user
|
|
* @param bool $create
|
|
* @param bool $password
|
|
*/
|
|
public static function loginHelper($user, $create = false, $password = false, $loadEncryption = true) {
|
|
if ($create) {
|
|
try {
|
|
\OC_User::createUser($user, $user);
|
|
} catch(\Exception $e) { // catch username is already being used from previous aborted runs
|
|
|
|
}
|
|
}
|
|
|
|
if ($password === false) {
|
|
$password = $user;
|
|
}
|
|
|
|
\OC_Util::tearDownFS();
|
|
\OC_User::setUserId('');
|
|
\OC\Files\Filesystem::tearDown();
|
|
\OC_User::setUserId($user);
|
|
\OC_Util::setupFS($user);
|
|
|
|
if ($loadEncryption) {
|
|
$params['uid'] = $user;
|
|
$params['password'] = $password;
|
|
OCA\Encryption\Hooks::login($params);
|
|
}
|
|
}
|
|
|
|
public static function logoutHelper() {
|
|
\OC_Util::tearDownFS();
|
|
\OC_User::setUserId('');
|
|
\OC\Files\Filesystem::tearDown();
|
|
}
|
|
|
|
/**
|
|
* helper function to set migration status to the right value
|
|
* to be able to test the migration path
|
|
*
|
|
* @param integer $status needed migration status for test
|
|
* @param string $user for which user the status should be set
|
|
* @return boolean
|
|
*/
|
|
private function setMigrationStatus($status, $user) {
|
|
$sql = 'UPDATE `*PREFIX*encryption` SET `migration_status` = ? WHERE `uid` = ?';
|
|
$args = array(
|
|
$status,
|
|
$user
|
|
);
|
|
|
|
$query = \OCP\DB::prepare($sql);
|
|
if ($query->execute($args)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
}
|