470 lines
19 KiB
PHP
470 lines
19 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Bjoern Schiessle
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* @copyright 2014 Bjoern Schiessle <schiessle@owncloud.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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require_once __DIR__ . '/util.php';
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use OCA\Encryption;
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/**
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* Class Test_Encryption_Hooks
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* this class provide basic hook app tests
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*/
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class Test_Encryption_Hooks extends \PHPUnit_Framework_TestCase {
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const TEST_ENCRYPTION_HOOKS_USER1 = "test-encryption-hooks-user1.dot";
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const TEST_ENCRYPTION_HOOKS_USER2 = "test-encryption-hooks-user2.dot";
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/**
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* @var \OC\Files\View
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*/
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public $user1View; // view on /data/user1/files
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public $user2View; // view on /data/user2/files
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public $rootView; // view on /data/user
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public $data;
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public $filename;
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public $folder;
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private static $testFiles;
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public static function setUpBeforeClass() {
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// note: not using a data provider because these
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// files all need to coexist to make sure the
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// share keys are found properly (pattern matching)
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self::$testFiles = array(
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't est.txt',
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't est_.txt',
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't est.doc.txt',
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't est(.*).txt', // make sure the regexp is escaped
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'multiple.dots.can.happen.too.txt',
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't est.' . self::TEST_ENCRYPTION_HOOKS_USER1 . '.txt',
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't est_.' . self::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey.txt',
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'who would upload their.shareKey',
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'user ones file.txt',
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'user ones file.txt.backup',
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'.t est.txt'
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);
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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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\OC_Hook::clear('OC_Filesystem');
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\OC_Hook::clear('OC_User');
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// clear share hooks
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\OC_Hook::clear('OCP\\Share');
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\OC::registerShareHooks();
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\OCP\Util::connectHook('OC_Filesystem', 'setup', '\OC\Files\Storage\Shared', 'setup');
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// Filesystem related hooks
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\OCA\Encryption\Helper::registerFilesystemHooks();
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// Sharing related hooks
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\OCA\Encryption\Helper::registerShareHooks();
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// clear and register proxies
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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_Hooks::TEST_ENCRYPTION_HOOKS_USER1, true);
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2, true);
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}
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function setUp() {
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// set user id
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1);
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\OC_User::setUserId(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1);
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// init filesystem view
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$this->user1View = new \OC\Files\View('/'. \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1 . '/files');
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$this->user2View = new \OC\Files\View('/'. \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2 . '/files');
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$this->rootView = new \OC\Files\View('/');
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// init short data
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$this->data = 'hats';
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$this->filename = 'enc_hooks_tests-' . uniqid() . '.txt';
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$this->folder = 'enc_hooks_tests_folder-' . uniqid();
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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_Hooks::TEST_ENCRYPTION_HOOKS_USER1);
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\OC_User::deleteUser(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2);
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\OC_Hook::clear();
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\OC_FileProxy::clearProxies();
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// Delete keys in /data/
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$view = new \OC\Files\View('/');
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$view->rmdir('public-keys');
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$view->rmdir('owncloud_private_key');
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}
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function testDisableHook() {
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// encryption is enabled and running so we should have some user specific
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// settings in oc_preferences
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$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*preferences` WHERE `appid` = ?');
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$result = $query->execute(array('files_encryption'));
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$row = $result->fetchRow();
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$this->assertTrue(is_array($row));
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// disabling the app should delete all user specific settings
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\OCA\Encryption\Hooks::preDisable(array('app' => 'files_encryption'));
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// check if user specific settings for the encryption app are really gone
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$query = \OC_DB::prepare('SELECT * FROM `*PREFIX*preferences` WHERE `appid` = ?');
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$result = $query->execute(array('files_encryption'));
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$row = $result->fetchRow();
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$this->assertFalse($row);
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// relogin user to initialize the encryption again
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$user = \OCP\User::getUser();
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\Test_Encryption_Util::loginHelper($user);
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}
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function testDeleteHooks() {
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// remember files_trashbin state
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$stateFilesTrashbin = OC_App::isEnabled('files_trashbin');
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// we want to tests with app files_trashbin disabled
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\OC_App::disable('files_trashbin');
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// make sure that the trash bin is disabled
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$this->assertFalse(\OC_APP::isEnabled('files_trashbin'));
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$this->user1View->file_put_contents($this->filename, $this->data);
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// check if all keys are generated
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/' . $this->filename . '.key'));
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\Test_Encryption_Util::logoutHelper();
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2);
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\OC_User::setUserId(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2);
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$this->user2View->file_put_contents($this->filename, $this->data);
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// check if all keys are generated
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER2 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2 . '.shareKey'));
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER2 . '/files_encryption/keyfiles/' . $this->filename . '.key'));
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// create a dummy file that we can delete something outside of data/user/files
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// in this case no share or file keys should be deleted
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$this->rootView->file_put_contents(self::TEST_ENCRYPTION_HOOKS_USER2 . "/" . $this->filename, $this->data);
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// delete dummy file outside of data/user/files
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$this->rootView->unlink(self::TEST_ENCRYPTION_HOOKS_USER2 . "/" . $this->filename);
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// all keys should still exist
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER2 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2 . '.shareKey'));
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER2 . '/files_encryption/keyfiles/' . $this->filename . '.key'));
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// delete the file in data/user/files
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// now the correspondig share and file keys from user2 should be deleted
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$this->user2View->unlink($this->filename);
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// check if keys from user2 are really deleted
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$this->assertFalse($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER2 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2 . '.shareKey'));
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$this->assertFalse($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER2 . '/files_encryption/keyfiles/' . $this->filename . '.key'));
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// but user1 keys should still exist
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/' . $this->filename . '.key'));
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if ($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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function testDeleteHooksForSharedFiles() {
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\Test_Encryption_Util::logoutHelper();
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1);
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\OC_User::setUserId(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1);
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// remember files_trashbin state
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$stateFilesTrashbin = OC_App::isEnabled('files_trashbin');
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// we want to tests with app files_trashbin disabled
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\OC_App::disable('files_trashbin');
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// make sure that the trash bin is disabled
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$this->assertFalse(\OC_APP::isEnabled('files_trashbin'));
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$this->user1View->file_put_contents($this->filename, $this->data);
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// check if all keys are generated
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/' . $this->filename . '.key'));
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// get the file info from previous created file
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$fileInfo = $this->user1View->getFileInfo($this->filename);
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// check if we have a valid file info
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$this->assertTrue($fileInfo instanceof \OC\Files\FileInfo);
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// share the file with user2
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\OCP\Share::shareItem('file', $fileInfo['fileid'], \OCP\Share::SHARE_TYPE_USER, self::TEST_ENCRYPTION_HOOKS_USER2, OCP\PERMISSION_ALL);
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// check if new share key exists
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2 . '.shareKey'));
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\Test_Encryption_Util::logoutHelper();
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2);
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\OC_User::setUserId(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2);
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// user2 update the shared file
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$this->user2View->file_put_contents($this->filename, $this->data);
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// keys should be stored at user1s dir, not in user2s
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$this->assertFalse($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER2 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2 . '.shareKey'));
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$this->assertFalse($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER2 . '/files_encryption/keyfiles/' . $this->filename . '.key'));
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// delete the Shared file from user1 in data/user2/files/Shared
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$result = $this->user2View->unlink($this->filename);
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$this->assertTrue($result);
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// share key for user2 from user1s home should be gone, all other keys should still exists
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
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$this->assertFalse($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $this->filename . '.' . \Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER2 . '.shareKey'));
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$this->assertTrue($this->rootView->file_exists(
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self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/' . $this->filename . '.key'));
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// cleanup
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\Test_Encryption_Util::logoutHelper();
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\Test_Encryption_Util::loginHelper(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1);
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\OC_User::setUserId(\Test_Encryption_Hooks::TEST_ENCRYPTION_HOOKS_USER1);
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if ($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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function testRenameHook() {
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// create all files to make sure all keys can coexist properly
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foreach (self::$testFiles as $file) {
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// save file with content
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$cryptedFile = file_put_contents('crypt:///' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $file, $this->data);
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// test that data was successfully written
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$this->assertTrue(is_int($cryptedFile));
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}
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foreach (self::$testFiles as $file) {
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$this->doTestRenameHook($file);
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}
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}
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/**
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* test rename operation
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*/
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function doTestRenameHook($filename) {
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// check if keys exists
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$this->assertTrue($this->rootView->file_exists(
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'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $filename . '.' . self::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
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$this->assertTrue($this->rootView->file_exists(
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'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/'
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. $filename . '.key'));
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// make subfolder and sub-subfolder
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$this->rootView->mkdir('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder);
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$this->rootView->mkdir('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder . '/' . $this->folder);
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$this->assertTrue($this->rootView->is_dir('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder . '/' . $this->folder));
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// move the file to the sub-subfolder
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$root = $this->rootView->getRoot();
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$this->rootView->chroot('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/');
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$this->rootView->rename($filename, '/' . $this->folder . '/' . $this->folder . '/' . $filename);
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$this->rootView->chroot($root);
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$this->assertFalse($this->rootView->file_exists('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $filename));
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$this->assertTrue($this->rootView->file_exists('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder . '/' . $this->folder . '/' . $filename));
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// keys should be renamed too
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$this->assertFalse($this->rootView->file_exists(
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'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $filename . '.' . self::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
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$this->assertFalse($this->rootView->file_exists(
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'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/'
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. $filename . '.key'));
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$this->assertTrue($this->rootView->file_exists(
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'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/' . $this->folder . '/' . $this->folder . '/'
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. $filename . '.' . self::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
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$this->assertTrue($this->rootView->file_exists(
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'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/' . $this->folder . '/' . $this->folder . '/'
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. $filename . '.key'));
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// cleanup
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$this->rootView->unlink('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder);
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}
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function testCopyHook() {
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// create all files to make sure all keys can coexist properly
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foreach (self::$testFiles as $file) {
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// save file with content
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$cryptedFile = file_put_contents('crypt:///' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $file, $this->data);
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// test that data was successfully written
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$this->assertTrue(is_int($cryptedFile));
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}
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foreach (self::$testFiles as $file) {
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$this->doTestCopyHook($file);
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}
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}
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/**
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* test rename operation
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*/
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function doTestCopyHook($filename) {
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// check if keys exists
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$this->assertTrue($this->rootView->file_exists(
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'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $filename . '.' . self::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
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$this->assertTrue($this->rootView->file_exists(
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'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/'
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. $filename . '.key'));
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// make subfolder and sub-subfolder
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$this->rootView->mkdir('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder);
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$this->rootView->mkdir('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder . '/' . $this->folder);
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$this->assertTrue($this->rootView->is_dir('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder . '/' . $this->folder));
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// copy the file to the sub-subfolder
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\OC\Files\Filesystem::copy($filename, '/' . $this->folder . '/' . $this->folder . '/' . $filename);
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$this->assertTrue($this->rootView->file_exists('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $filename));
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$this->assertTrue($this->rootView->file_exists('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder . '/' . $this->folder . '/' . $filename));
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// keys should be copied too
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$this->assertTrue($this->rootView->file_exists(
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'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/'
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. $filename . '.' . self::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
|
|
$this->assertTrue($this->rootView->file_exists(
|
|
'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/'
|
|
. $filename . '.key'));
|
|
|
|
$this->assertTrue($this->rootView->file_exists(
|
|
'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/share-keys/' . $this->folder . '/' . $this->folder . '/'
|
|
. $filename . '.' . self::TEST_ENCRYPTION_HOOKS_USER1 . '.shareKey'));
|
|
$this->assertTrue($this->rootView->file_exists(
|
|
'/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files_encryption/keyfiles/' . $this->folder . '/' . $this->folder . '/'
|
|
. $filename . '.key'));
|
|
|
|
// cleanup
|
|
$this->rootView->unlink('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $this->folder);
|
|
$this->rootView->unlink('/' . self::TEST_ENCRYPTION_HOOKS_USER1 . '/files/' . $filename);
|
|
}
|
|
|
|
/**
|
|
* @brief replacing encryption keys during password change should be allowed
|
|
* until the user logged in for the first time
|
|
*/
|
|
public function testSetPassphrase() {
|
|
|
|
$view = new \OC\Files\View();
|
|
|
|
// set user password for the first time
|
|
\OCA\Encryption\Hooks::postCreateUser(array('uid' => 'newUser', 'password' => 'newUserPassword'));
|
|
|
|
$this->assertTrue($view->file_exists('public-keys/newUser.public.key'));
|
|
$this->assertTrue($view->file_exists('newUser/files_encryption/newUser.private.key'));
|
|
|
|
// check if we are able to decrypt the private key
|
|
$encryptedKey = \OCA\Encryption\Keymanager::getPrivateKey($view, 'newUser');
|
|
$privateKey = \OCA\Encryption\Crypt::decryptPrivateKey($encryptedKey, 'newUserPassword');
|
|
$this->assertTrue(is_string($privateKey));
|
|
|
|
// change the password before the user logged-in for the first time,
|
|
// we can replace the encryption keys
|
|
\OCA\Encryption\Hooks::setPassphrase(array('uid' => 'newUser', 'password' => 'passwordChanged'));
|
|
|
|
$encryptedKey = \OCA\Encryption\Keymanager::getPrivateKey($view, 'newUser');
|
|
$privateKey = \OCA\Encryption\Crypt::decryptPrivateKey($encryptedKey, 'passwordChanged');
|
|
$this->assertTrue(is_string($privateKey));
|
|
|
|
// now create a files folder to simulate a already used account
|
|
$view->mkdir('/newUser/files');
|
|
|
|
// change the password after the user logged in, now the password should not change
|
|
\OCA\Encryption\Hooks::setPassphrase(array('uid' => 'newUser', 'password' => 'passwordChanged2'));
|
|
|
|
$encryptedKey = \OCA\Encryption\Keymanager::getPrivateKey($view, 'newUser');
|
|
$privateKey = \OCA\Encryption\Crypt::decryptPrivateKey($encryptedKey, 'passwordChanged2');
|
|
$this->assertFalse($privateKey);
|
|
|
|
$privateKey = \OCA\Encryption\Crypt::decryptPrivateKey($encryptedKey, 'passwordChanged');
|
|
$this->assertTrue(is_string($privateKey));
|
|
|
|
}
|
|
|
|
}
|