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<?php
/**
* Copyright (c) 2012 Sam Tuke <samtuke@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
require_once realpath(dirname(__FILE__) . '/../../../lib/base.php');
require_once realpath(dirname(__FILE__) . '/../lib/crypt.php');
require_once realpath(dirname(__FILE__) . '/../lib/keymanager.php');
require_once realpath(dirname(__FILE__) . '/../lib/proxy.php');
require_once realpath(dirname(__FILE__) . '/../lib/stream.php');
require_once realpath(dirname(__FILE__) . '/../lib/util.php');
require_once realpath(dirname(__FILE__) . '/../lib/helper.php');
require_once realpath(dirname(__FILE__) . '/../appinfo/app.php');
use OCA\Encryption;
/**
* Class Test_Encryption_Keymanager
*/
class Test_Encryption_Keymanager extends \PHPUnit_Framework_TestCase {
public $userId;
public $pass;
public $stateFilesTrashbin;
/**
* @var OC_FilesystemView
*/
public $view;
public $randomKey;
public $dataShort;
public static function setUpBeforeClass() {
// reset backend
\OC_User::clearBackends();
\OC_User::useBackend('database');
// Filesystem related hooks
\OCA\Encryption\Helper::registerFilesystemHooks();
// clear and register hooks
\OC_FileProxy::clearProxies();
\OC_FileProxy::register(new OCA\Encryption\Proxy());
// disable file proxy by default
\OC_FileProxy::$enabled = false;
// setup filesystem
\OC_Util::tearDownFS();
\OC_User::setUserId('');
\OC\Files\Filesystem::tearDown();
\OC_Util::setupFS('admin');
\OC_User::setUserId('admin');
// login admin
$params['uid'] = 'admin';
$params['password'] = 'admin';
OCA\Encryption\Hooks::login($params);
}
function setUp() {
// set content for encrypting / decrypting in tests
$this->dataLong = file_get_contents(realpath(dirname(__FILE__) . '/../lib/crypt.php'));
$this->dataShort = 'hats';
$this->dataUrl = realpath(dirname(__FILE__) . '/../lib/crypt.php');
$this->legacyData = realpath(dirname(__FILE__) . '/legacy-text.txt');
$this->legacyEncryptedData = realpath(dirname(__FILE__) . '/legacy-encrypted-text.txt');
$this->randomKey = Encryption\Crypt::generateKey();
$keypair = Encryption\Crypt::createKeypair();
$this->genPublicKey = $keypair['publicKey'];
$this->genPrivateKey = $keypair['privateKey'];
$this->view = new \OC_FilesystemView('/');
\OC_User::setUserId('admin');
$this->userId = 'admin';
$this->pass = 'admin';
$userHome = \OC_User::getHome($this->userId);
$this->dataDir = str_replace('/' . $this->userId, '', $userHome);
// remember files_trashbin state
$this->stateFilesTrashbin = OC_App::isEnabled('files_trashbin');
// we don't want to tests with app files_trashbin enabled
\OC_App::disable('files_trashbin');
}
function tearDown() {
// reset app files_trashbin
if ($this->stateFilesTrashbin) {
OC_App::enable('files_trashbin');
}
else {
OC_App::disable('files_trashbin');
}
}
public static function tearDownAfterClass() {
\OC_FileProxy::$enabled = true;
}
/**
* @medium
*/
function testGetPrivateKey() {
$key = Encryption\Keymanager::getPrivateKey($this->view, $this->userId);
$privateKey = Encryption\Crypt::symmetricDecryptFileContent($key, $this->pass);
$res = openssl_pkey_get_private($privateKey);
$this->assertTrue(is_resource($res));
$sslInfo = openssl_pkey_get_details($res);
$this->assertArrayHasKey('key', $sslInfo);
}
/**
* @medium
*/
function testGetPublicKey() {
$publiceKey = Encryption\Keymanager::getPublicKey($this->view, $this->userId);
$res = openssl_pkey_get_public($publiceKey);
$this->assertTrue(is_resource($res));
$sslInfo = openssl_pkey_get_details($res);
$this->assertArrayHasKey('key', $sslInfo);
}
/**
* @medium
*/
function testSetFileKey() {
# NOTE: This cannot be tested until we are able to break out
# of the FileSystemView data directory root
$key = Encryption\Crypt::symmetricEncryptFileContentKeyfile($this->randomKey, 'hat');
$file = 'unittest-' . time() . '.txt';
// Disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
$this->view->file_put_contents($this->userId . '/files/' . $file, $key['encrypted']);
// Re-enable proxy - our work is done
\OC_FileProxy::$enabled = $proxyStatus;
//$view = new \OC_FilesystemView( '/' . $this->userId . '/files_encryption/keyfiles' );
Encryption\Keymanager::setFileKey($this->view, $file, $this->userId, $key['key']);
// enable encryption proxy
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = true;
// cleanup
$this->view->unlink('/' . $this->userId . '/files/' . $file);
// change encryption proxy to previous state
\OC_FileProxy::$enabled = $proxyStatus;
}
/**
* @medium
*/
function testGetUserKeys() {
$keys = Encryption\Keymanager::getUserKeys($this->view, $this->userId);
$resPublic = openssl_pkey_get_public($keys['publicKey']);
$this->assertTrue(is_resource($resPublic));
$sslInfoPublic = openssl_pkey_get_details($resPublic);
$this->assertArrayHasKey('key', $sslInfoPublic);
$privateKey = Encryption\Crypt::symmetricDecryptFileContent($keys['privateKey'], $this->pass);
$resPrivate = openssl_pkey_get_private($privateKey);
$this->assertTrue(is_resource($resPrivate));
$sslInfoPrivate = openssl_pkey_get_details($resPrivate);
$this->assertArrayHasKey('key', $sslInfoPrivate);
}
/**
* @medium
*/
function testFixPartialFilePath() {
$partFilename = 'testfile.txt.part';
$filename = 'testfile.txt';
$this->assertTrue(Encryption\Keymanager::isPartialFilePath($partFilename));
$this->assertEquals('testfile.txt', Encryption\Keymanager::fixPartialFilePath($partFilename));
$this->assertFalse(Encryption\Keymanager::isPartialFilePath($filename));
$this->assertEquals('testfile.txt', Encryption\Keymanager::fixPartialFilePath($filename));
}
/**
* @medium
*/
function testRecursiveDelShareKeys() {
// generate filename
$filename = '/tmp-' . time() . '.txt';
// create folder structure
$this->view->mkdir('/admin/files/folder1');
$this->view->mkdir('/admin/files/folder1/subfolder');
$this->view->mkdir('/admin/files/folder1/subfolder/subsubfolder');
// enable encryption proxy
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = true;
// save file with content
$cryptedFile = file_put_contents('crypt:///folder1/subfolder/subsubfolder/' . $filename, $this->dataShort);
// test that data was successfully written
$this->assertTrue(is_int($cryptedFile));
// change encryption proxy to previous state
\OC_FileProxy::$enabled = $proxyStatus;
// recursive delete keys
Encryption\Keymanager::delShareKey($this->view, array('admin'), '/folder1/');
// check if share key not exists
$this->assertFalse($this->view->file_exists(
'/admin/files_encryption/share-keys/folder1/subfolder/subsubfolder/' . $filename . '.admin.shareKey'));
// enable encryption proxy
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = true;
// cleanup
$this->view->unlink('/admin/files/folder1');
// change encryption proxy to previous state
\OC_FileProxy::$enabled = $proxyStatus;
}
}
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