423 lines
13 KiB
PHP
423 lines
13 KiB
PHP
<?php
|
|
/**
|
|
* @author Björn Schießle <schiessle@owncloud.com>
|
|
* @author Joas Schilling <nickvergessen@owncloud.com>
|
|
*
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
namespace OCA\Encryption\Tests\lib\Crypto;
|
|
|
|
use OCA\Encryption\Exceptions\PublicKeyMissingException;
|
|
use Test\TestCase;
|
|
use OCA\Encryption\Crypto\Encryption;
|
|
|
|
class EncryptionTest extends TestCase {
|
|
|
|
/** @var Encryption */
|
|
private $instance;
|
|
|
|
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
|
private $keyManagerMock;
|
|
|
|
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
|
private $encryptAllMock;
|
|
|
|
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
|
private $decryptAllMock;
|
|
|
|
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
|
private $sessionMock;
|
|
|
|
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
|
private $cryptMock;
|
|
|
|
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
|
private $utilMock;
|
|
|
|
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
|
private $loggerMock;
|
|
|
|
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
|
private $l10nMock;
|
|
|
|
/** @var \PHPUnit_Framework_MockObject_MockObject */
|
|
private $storageMock;
|
|
|
|
public function setUp() {
|
|
parent::setUp();
|
|
|
|
$this->storageMock = $this->getMockBuilder('OCP\Files\Storage')
|
|
->disableOriginalConstructor()->getMock();
|
|
$this->cryptMock = $this->getMockBuilder('OCA\Encryption\Crypto\Crypt')
|
|
->disableOriginalConstructor()
|
|
->getMock();
|
|
$this->utilMock = $this->getMockBuilder('OCA\Encryption\Util')
|
|
->disableOriginalConstructor()
|
|
->getMock();
|
|
$this->keyManagerMock = $this->getMockBuilder('OCA\Encryption\KeyManager')
|
|
->disableOriginalConstructor()
|
|
->getMock();
|
|
$this->sessionMock = $this->getMockBuilder('OCA\Encryption\Session')
|
|
->disableOriginalConstructor()
|
|
->getMock();
|
|
$this->encryptAllMock = $this->getMockBuilder('OCA\Encryption\Crypto\EncryptAll')
|
|
->disableOriginalConstructor()
|
|
->getMock();
|
|
$this->decryptAllMock = $this->getMockBuilder('OCA\Encryption\Crypto\DecryptAll')
|
|
->disableOriginalConstructor()
|
|
->getMock();
|
|
$this->loggerMock = $this->getMockBuilder('OCP\ILogger')
|
|
->disableOriginalConstructor()
|
|
->getMock();
|
|
$this->l10nMock = $this->getMockBuilder('OCP\IL10N')
|
|
->disableOriginalConstructor()
|
|
->getMock();
|
|
$this->l10nMock->expects($this->any())
|
|
->method('t')
|
|
->with($this->anything())
|
|
->willReturnArgument(0);
|
|
|
|
$this->instance = new Encryption(
|
|
$this->cryptMock,
|
|
$this->keyManagerMock,
|
|
$this->utilMock,
|
|
$this->sessionMock,
|
|
$this->encryptAllMock,
|
|
$this->decryptAllMock,
|
|
$this->loggerMock,
|
|
$this->l10nMock
|
|
);
|
|
|
|
}
|
|
|
|
/**
|
|
* test if public key from one of the recipients is missing
|
|
*/
|
|
public function testEndUser1() {
|
|
$this->instance->begin('/foo/bar', 'user1', 'r', array(), array('users' => array('user1', 'user2', 'user3')));
|
|
$this->endTest();
|
|
}
|
|
|
|
/**
|
|
* test if public key from owner is missing
|
|
*
|
|
* @expectedException \OCA\Encryption\Exceptions\PublicKeyMissingException
|
|
*/
|
|
public function testEndUser2() {
|
|
$this->instance->begin('/foo/bar', 'user2', 'r', array(), array('users' => array('user1', 'user2', 'user3')));
|
|
$this->endTest();
|
|
}
|
|
|
|
/**
|
|
* common part of testEndUser1 and testEndUser2
|
|
*
|
|
* @throws PublicKeyMissingException
|
|
*/
|
|
public function endTest() {
|
|
// prepare internal variables
|
|
self::invokePrivate($this->instance, 'isWriteOperation', [true]);
|
|
self::invokePrivate($this->instance, 'writeCache', ['']);
|
|
|
|
$this->keyManagerMock->expects($this->any())
|
|
->method('getPublicKey')
|
|
->will($this->returnCallback([$this, 'getPublicKeyCallback']));
|
|
$this->keyManagerMock->expects($this->any())
|
|
->method('addSystemKeys')
|
|
->will($this->returnCallback([$this, 'addSystemKeysCallback']));
|
|
$this->cryptMock->expects($this->any())
|
|
->method('multiKeyEncrypt')
|
|
->willReturn(true);
|
|
|
|
$this->instance->end('/foo/bar');
|
|
}
|
|
|
|
|
|
public function getPublicKeyCallback($uid) {
|
|
if ($uid === 'user2') {
|
|
throw new PublicKeyMissingException($uid);
|
|
}
|
|
return $uid;
|
|
}
|
|
|
|
public function addSystemKeysCallback($accessList, $publicKeys) {
|
|
$this->assertSame(2, count($publicKeys));
|
|
$this->assertArrayHasKey('user1', $publicKeys);
|
|
$this->assertArrayHasKey('user3', $publicKeys);
|
|
return $publicKeys;
|
|
}
|
|
|
|
/**
|
|
* @dataProvider dataProviderForTestGetPathToRealFile
|
|
*/
|
|
public function testGetPathToRealFile($path, $expected) {
|
|
$this->assertSame($expected,
|
|
self::invokePrivate($this->instance, 'getPathToRealFile', array($path))
|
|
);
|
|
}
|
|
|
|
public function dataProviderForTestGetPathToRealFile() {
|
|
return array(
|
|
array('/user/files/foo/bar.txt', '/user/files/foo/bar.txt'),
|
|
array('/user/files/foo.txt', '/user/files/foo.txt'),
|
|
array('/user/files_versions/foo.txt.v543534', '/user/files/foo.txt'),
|
|
array('/user/files_versions/foo/bar.txt.v5454', '/user/files/foo/bar.txt'),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @dataProvider dataTestBegin
|
|
*/
|
|
public function testBegin($mode, $header, $legacyCipher, $defaultCipher, $fileKey, $expected) {
|
|
|
|
$this->sessionMock->expects($this->once())
|
|
->method('decryptAllModeActivated')
|
|
->willReturn(false);
|
|
|
|
$this->sessionMock->expects($this->never())->method('getDecryptAllUid');
|
|
$this->sessionMock->expects($this->never())->method('getDecryptAllKey');
|
|
$this->keyManagerMock->expects($this->never())->method('getEncryptedFileKey');
|
|
$this->keyManagerMock->expects($this->never())->method('getShareKey');
|
|
$this->cryptMock->expects($this->never())->method('multiKeyDecrypt');
|
|
|
|
$this->cryptMock->expects($this->any())
|
|
->method('getCipher')
|
|
->willReturn($defaultCipher);
|
|
$this->cryptMock->expects($this->any())
|
|
->method('getLegacyCipher')
|
|
->willReturn($legacyCipher);
|
|
if (empty($fileKey)) {
|
|
$this->cryptMock->expects($this->once())
|
|
->method('generateFileKey')
|
|
->willReturn('fileKey');
|
|
} else {
|
|
$this->cryptMock->expects($this->never())
|
|
->method('generateFileKey');
|
|
}
|
|
|
|
$this->keyManagerMock->expects($this->once())
|
|
->method('getFileKey')
|
|
->willReturn($fileKey);
|
|
|
|
$result = $this->instance->begin('/user/files/foo.txt', 'user', $mode, $header, []);
|
|
|
|
$this->assertArrayHasKey('cipher', $result);
|
|
$this->assertSame($expected, $result['cipher']);
|
|
if ($mode === 'w') {
|
|
$this->assertTrue(self::invokePrivate($this->instance, 'isWriteOperation'));
|
|
} else {
|
|
$this->assertFalse(self::invokePrivate($this->instance, 'isWriteOperation'));
|
|
}
|
|
}
|
|
|
|
public function dataTestBegin() {
|
|
return array(
|
|
array('w', ['cipher' => 'myCipher'], 'legacyCipher', 'defaultCipher', 'fileKey', 'defaultCipher'),
|
|
array('r', ['cipher' => 'myCipher'], 'legacyCipher', 'defaultCipher', 'fileKey', 'myCipher'),
|
|
array('w', [], 'legacyCipher', 'defaultCipher', '', 'defaultCipher'),
|
|
array('r', [], 'legacyCipher', 'defaultCipher', 'file_key', 'legacyCipher'),
|
|
);
|
|
}
|
|
|
|
|
|
/**
|
|
* test begin() if decryptAll mode was activated
|
|
*/
|
|
public function testBeginDecryptAll() {
|
|
|
|
$path = '/user/files/foo.txt';
|
|
$recoveryKeyId = 'recoveryKeyId';
|
|
$recoveryShareKey = 'recoveryShareKey';
|
|
$decryptAllKey = 'decryptAllKey';
|
|
$fileKey = 'fileKey';
|
|
|
|
$this->sessionMock->expects($this->once())
|
|
->method('decryptAllModeActivated')
|
|
->willReturn(true);
|
|
$this->sessionMock->expects($this->once())
|
|
->method('getDecryptAllUid')
|
|
->willReturn($recoveryKeyId);
|
|
$this->sessionMock->expects($this->once())
|
|
->method('getDecryptAllKey')
|
|
->willReturn($decryptAllKey);
|
|
|
|
$this->keyManagerMock->expects($this->once())
|
|
->method('getEncryptedFileKey')
|
|
->willReturn('encryptedFileKey');
|
|
$this->keyManagerMock->expects($this->once())
|
|
->method('getShareKey')
|
|
->with($path, $recoveryKeyId)
|
|
->willReturn($recoveryShareKey);
|
|
$this->cryptMock->expects($this->once())
|
|
->method('multiKeyDecrypt')
|
|
->with('encryptedFileKey', $recoveryShareKey, $decryptAllKey)
|
|
->willReturn($fileKey);
|
|
|
|
$this->keyManagerMock->expects($this->never())->method('getFileKey');
|
|
|
|
$this->instance->begin($path, 'user', 'r', [], []);
|
|
|
|
$this->assertSame($fileKey,
|
|
$this->invokePrivate($this->instance, 'fileKey')
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @dataProvider dataTestUpdate
|
|
*
|
|
* @param string $fileKey
|
|
* @param boolean $expected
|
|
*/
|
|
public function testUpdate($fileKey, $expected) {
|
|
$this->keyManagerMock->expects($this->once())
|
|
->method('getFileKey')->willReturn($fileKey);
|
|
|
|
$this->keyManagerMock->expects($this->any())
|
|
->method('getPublicKey')->willReturn('publicKey');
|
|
|
|
$this->keyManagerMock->expects($this->any())
|
|
->method('addSystemKeys')
|
|
->willReturnCallback(function($accessList, $publicKeys) {
|
|
return $publicKeys;
|
|
});
|
|
|
|
$this->keyManagerMock->expects($this->never())->method('getVersion');
|
|
$this->keyManagerMock->expects($this->never())->method('setVersion');
|
|
|
|
$this->assertSame($expected,
|
|
$this->instance->update('path', 'user1', ['users' => ['user1']])
|
|
);
|
|
}
|
|
|
|
public function dataTestUpdate() {
|
|
return array(
|
|
array('', false),
|
|
array('fileKey', true)
|
|
);
|
|
}
|
|
|
|
public function testUpdateNoUsers() {
|
|
|
|
$this->invokePrivate($this->instance, 'rememberVersion', [['path' => 2]]);
|
|
|
|
$this->keyManagerMock->expects($this->never())->method('getFileKey');
|
|
$this->keyManagerMock->expects($this->never())->method('getPublicKey');
|
|
$this->keyManagerMock->expects($this->never())->method('addSystemKeys');
|
|
$this->keyManagerMock->expects($this->once())->method('setVersion')
|
|
->willReturnCallback(function($path, $version, $view) {
|
|
$this->assertSame('path', $path);
|
|
$this->assertSame(2, $version);
|
|
$this->assertTrue($view instanceof \OC\Files\View);
|
|
});
|
|
$this->instance->update('path', 'user1', []);
|
|
}
|
|
|
|
/**
|
|
* Test case if the public key is missing. ownCloud should still encrypt
|
|
* the file for the remaining users
|
|
*/
|
|
public function testUpdateMissingPublicKey() {
|
|
$this->keyManagerMock->expects($this->once())
|
|
->method('getFileKey')->willReturn('fileKey');
|
|
|
|
$this->keyManagerMock->expects($this->any())
|
|
->method('getPublicKey')->willReturnCallback(
|
|
function($user) {
|
|
throw new PublicKeyMissingException($user);
|
|
}
|
|
);
|
|
|
|
$this->keyManagerMock->expects($this->any())
|
|
->method('addSystemKeys')
|
|
->willReturnCallback(function($accessList, $publicKeys) {
|
|
return $publicKeys;
|
|
});
|
|
|
|
$this->cryptMock->expects($this->once())->method('multiKeyEncrypt')
|
|
->willReturnCallback(
|
|
function($fileKey, $publicKeys) {
|
|
$this->assertEmpty($publicKeys);
|
|
$this->assertSame('fileKey', $fileKey);
|
|
}
|
|
);
|
|
|
|
$this->keyManagerMock->expects($this->never())->method('getVersion');
|
|
$this->keyManagerMock->expects($this->never())->method('setVersion');
|
|
|
|
$this->assertTrue(
|
|
$this->instance->update('path', 'user1', ['users' => ['user1']])
|
|
);
|
|
}
|
|
|
|
/**
|
|
* by default the encryption module should encrypt regular files, files in
|
|
* files_versions and files in files_trashbin
|
|
*
|
|
* @dataProvider dataTestShouldEncrypt
|
|
*/
|
|
public function testShouldEncrypt($path, $shouldEncryptHomeStorage, $isHomeStorage, $expected) {
|
|
$this->utilMock->expects($this->once())->method('shouldEncryptHomeStorage')
|
|
->willReturn($shouldEncryptHomeStorage);
|
|
|
|
if ($shouldEncryptHomeStorage === false) {
|
|
$this->storageMock->expects($this->once())->method('instanceOfStorage')
|
|
->with('\OCP\Files\IHomeStorage')->willReturn($isHomeStorage);
|
|
$this->utilMock->expects($this->once())->method('getStorage')->with($path)
|
|
->willReturn($this->storageMock);
|
|
}
|
|
|
|
$this->assertSame($expected,
|
|
$this->instance->shouldEncrypt($path)
|
|
);
|
|
}
|
|
|
|
public function dataTestShouldEncrypt() {
|
|
return array(
|
|
array('/user1/files/foo.txt', true, true, true),
|
|
array('/user1/files_versions/foo.txt', true, true, true),
|
|
array('/user1/files_trashbin/foo.txt', true, true, true),
|
|
array('/user1/some_folder/foo.txt', true, true, false),
|
|
array('/user1/foo.txt', true, true, false),
|
|
array('/user1/files', true, true, false),
|
|
array('/user1/files_trashbin', true, true, false),
|
|
array('/user1/files_versions', true, true, false),
|
|
// test if shouldEncryptHomeStorage is set to false
|
|
array('/user1/files/foo.txt', false, true, false),
|
|
array('/user1/files_versions/foo.txt', false, false, true),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @expectedException \OC\Encryption\Exceptions\DecryptionFailedException
|
|
* @expectedExceptionMessage Can not decrypt this file, probably this is a shared file. Please ask the file owner to reshare the file with you.
|
|
*/
|
|
public function testDecrypt() {
|
|
$this->instance->decrypt('abc');
|
|
}
|
|
|
|
public function testPrepareDecryptAll() {
|
|
$input = $this->getMock('Symfony\Component\Console\Input\InputInterface');
|
|
$output = $this->getMock('Symfony\Component\Console\Output\OutputInterface');
|
|
|
|
$this->decryptAllMock->expects($this->once())->method('prepare')
|
|
->with($input, $output, 'user');
|
|
|
|
$this->instance->prepareDecryptAll($input, $output, 'user');
|
|
}
|
|
|
|
}
|