nextcloud/apps/encryption/tests/lib/KeyManagerTest.php

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<?php
/**
* @author Björn Schießle <schiessle@owncloud.com>
* @author Clark Tomlinson <fallen013@gmail.com>
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* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Lukas Reschke <lukas@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
2016-01-12 17:02:16 +03:00
* @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/>
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*
*/
namespace OCA\Encryption\Tests;
use OCA\Encryption\KeyManager;
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use OCA\Encryption\Session;
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use Test\TestCase;
class KeyManagerTest extends TestCase {
/**
* @var KeyManager
*/
private $instance;
/**
* @var string
*/
private $userId;
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/** @var string */
private $systemKeyId;
/** @var \PHPUnit_Framework_MockObject_MockObject */
private $keyStorageMock;
/** @var \PHPUnit_Framework_MockObject_MockObject */
private $cryptMock;
/** @var \PHPUnit_Framework_MockObject_MockObject */
private $userMock;
/** @var \PHPUnit_Framework_MockObject_MockObject */
private $sessionMock;
/** @var \PHPUnit_Framework_MockObject_MockObject */
private $logMock;
/** @var \PHPUnit_Framework_MockObject_MockObject */
private $utilMock;
/** @var \PHPUnit_Framework_MockObject_MockObject */
private $configMock;
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public function setUp() {
parent::setUp();
$this->userId = 'user1';
$this->systemKeyId = 'systemKeyId';
$this->keyStorageMock = $this->getMock('OCP\Encryption\Keys\IStorage');
$this->cryptMock = $this->getMockBuilder('OCA\Encryption\Crypto\Crypt')
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->disableOriginalConstructor()
->getMock();
$this->configMock = $this->getMock('OCP\IConfig');
$this->configMock->expects($this->any())
->method('getAppValue')
->willReturn($this->systemKeyId);
$this->userMock = $this->getMock('OCP\IUserSession');
$this->sessionMock = $this->getMockBuilder('OCA\Encryption\Session')
->disableOriginalConstructor()
->getMock();
$this->logMock = $this->getMock('OCP\ILogger');
$this->utilMock = $this->getMockBuilder('OCA\Encryption\Util')
->disableOriginalConstructor()
->getMock();
$this->instance = new KeyManager(
$this->keyStorageMock,
$this->cryptMock,
$this->configMock,
$this->userMock,
$this->sessionMock,
$this->logMock,
$this->utilMock);
}
public function testDeleteShareKey() {
$this->keyStorageMock->expects($this->any())
->method('deleteFileKey')
->with($this->equalTo('/path'), $this->equalTo('keyId.shareKey'))
->willReturn(true);
$this->assertTrue(
$this->instance->deleteShareKey('/path', 'keyId')
);
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}
public function testGetPrivateKey() {
$this->keyStorageMock->expects($this->any())
->method('getUserKey')
->with($this->equalTo($this->userId), $this->equalTo('privateKey'))
->willReturn('privateKey');
$this->assertSame('privateKey',
$this->instance->getPrivateKey($this->userId)
);
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}
public function testGetPublicKey() {
$this->keyStorageMock->expects($this->any())
->method('getUserKey')
->with($this->equalTo($this->userId), $this->equalTo('publicKey'))
->willReturn('publicKey');
$this->assertSame('publicKey',
$this->instance->getPublicKey($this->userId)
);
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}
public function testRecoveryKeyExists() {
$this->keyStorageMock->expects($this->any())
->method('getSystemUserKey')
->with($this->equalTo($this->systemKeyId . '.publicKey'))
->willReturn('recoveryKey');
$this->assertTrue($this->instance->recoveryKeyExists());
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}
public function testCheckRecoveryKeyPassword() {
$this->keyStorageMock->expects($this->any())
->method('getSystemUserKey')
->with($this->equalTo($this->systemKeyId . '.privateKey'))
->willReturn('recoveryKey');
$this->cryptMock->expects($this->any())
->method('decryptPrivateKey')
->with($this->equalTo('recoveryKey'), $this->equalTo('pass'))
->willReturn('decryptedRecoveryKey');
$this->assertTrue($this->instance->checkRecoveryPassword('pass'));
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}
public function testSetPublicKey() {
$this->keyStorageMock->expects($this->any())
->method('setUserKey')
->with(
$this->equalTo($this->userId),
$this->equalTo('publicKey'),
$this->equalTo('key'))
->willReturn(true);
$this->assertTrue(
$this->instance->setPublicKey($this->userId, 'key')
);
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}
public function testSetPrivateKey() {
$this->keyStorageMock->expects($this->any())
->method('setUserKey')
->with(
$this->equalTo($this->userId),
$this->equalTo('privateKey'),
$this->equalTo('key'))
->willReturn(true);
$this->assertTrue(
$this->instance->setPrivateKey($this->userId, 'key')
);
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}
/**
* @dataProvider dataTestUserHasKeys
*/
public function testUserHasKeys($key, $expected) {
$this->keyStorageMock->expects($this->exactly(2))
->method('getUserKey')
->with($this->equalTo($this->userId), $this->anything())
->willReturn($key);
$this->assertSame($expected,
$this->instance->userHasKeys($this->userId)
);
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}
public function dataTestUserHasKeys() {
return [
['key', true],
['', false]
];
}
/**
* @expectedException \OCA\Encryption\Exceptions\PrivateKeyMissingException
*/
public function testUserHasKeysMissingPrivateKey() {
$this->keyStorageMock->expects($this->exactly(2))
->method('getUserKey')
->willReturnCallback(function ($uid, $keyID, $encryptionModuleId) {
if ($keyID=== 'privateKey') {
return '';
}
return 'key';
});
$this->instance->userHasKeys($this->userId);
}
/**
* @expectedException \OCA\Encryption\Exceptions\PublicKeyMissingException
*/
public function testUserHasKeysMissingPublicKey() {
$this->keyStorageMock->expects($this->exactly(2))
->method('getUserKey')
->willReturnCallback(function ($uid, $keyID, $encryptionModuleId){
if ($keyID === 'publicKey') {
return '';
}
return 'key';
});
$this->instance->userHasKeys($this->userId);
}
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/**
* @dataProvider dataTestInit
*
* @param bool $useMasterKey
*/
public function testInit($useMasterKey) {
$instance = $this->getMockBuilder('OCA\Encryption\KeyManager')
->setConstructorArgs(
[
$this->keyStorageMock,
$this->cryptMock,
$this->configMock,
$this->userMock,
$this->sessionMock,
$this->logMock,
$this->utilMock
]
)->setMethods(['getMasterKeyId', 'getMasterKeyPassword', 'getSystemPrivateKey', 'getPrivateKey'])
->getMock();
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$this->utilMock->expects($this->once())->method('isMasterKeyEnabled')
->willReturn($useMasterKey);
$this->sessionMock->expects($this->at(0))->method('setStatus')
->with(Session::INIT_EXECUTED);
$instance->expects($this->any())->method('getMasterKeyId')->willReturn('masterKeyId');
$instance->expects($this->any())->method('getMasterKeyPassword')->willReturn('masterKeyPassword');
$instance->expects($this->any())->method('getSystemPrivateKey')->with('masterKeyId')->willReturn('privateMasterKey');
$instance->expects($this->any())->method('getPrivateKey')->with($this->userId)->willReturn('privateUserKey');
if($useMasterKey) {
$this->cryptMock->expects($this->once())->method('decryptPrivateKey')
->with('privateMasterKey', 'masterKeyPassword', 'masterKeyId')
->willReturn('key');
} else {
$this->cryptMock->expects($this->once())->method('decryptPrivateKey')
->with('privateUserKey', 'pass', $this->userId)
->willReturn('key');
}
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$this->sessionMock->expects($this->once())->method('setPrivateKey')
->with('key');
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$this->assertTrue($instance->init($this->userId, 'pass'));
}
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public function dataTestInit() {
return [
[true],
[false]
];
}
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public function testSetRecoveryKey() {
$this->keyStorageMock->expects($this->exactly(2))
->method('setSystemUserKey')
->willReturn(true);
$this->cryptMock->expects($this->any())
->method('encryptPrivateKey')
->with($this->equalTo('privateKey'), $this->equalTo('pass'))
->willReturn('decryptedPrivateKey');
$this->assertTrue(
$this->instance->setRecoveryKey('pass',
array('publicKey' => 'publicKey', 'privateKey' => 'privateKey'))
);
}
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public function testSetSystemPrivateKey() {
$this->keyStorageMock->expects($this->exactly(1))
->method('setSystemUserKey')
->with($this->equalTo('keyId.privateKey'), $this->equalTo('key'))
->willReturn(true);
$this->assertTrue(
$this->instance->setSystemPrivateKey('keyId', 'key')
);
}
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public function testGetSystemPrivateKey() {
$this->keyStorageMock->expects($this->exactly(1))
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->method('getSystemUserKey')
->with($this->equalTo('keyId.privateKey'))
->willReturn('systemPrivateKey');
$this->assertSame('systemPrivateKey',
$this->instance->getSystemPrivateKey('keyId')
);
}
public function testGetEncryptedFileKey() {
$this->keyStorageMock->expects($this->once())
->method('getFileKey')
->with('/', 'fileKey')
->willReturn(true);
$this->assertTrue($this->instance->getEncryptedFileKey('/'));
}
/**
* @dataProvider dataTestGetFileKey
*
* @param $uid
* @param $isMasterKeyEnabled
* @param $privateKey
* @param $expected
*/
public function testGetFileKey($uid, $isMasterKeyEnabled, $privateKey, $expected) {
$path = '/foo.txt';
if ($isMasterKeyEnabled) {
$expectedUid = 'masterKeyId';
} else {
$expectedUid = $uid;
}
$this->invokePrivate($this->instance, 'masterKeyId', ['masterKeyId']);
$this->keyStorageMock->expects($this->at(0))
->method('getFileKey')
->with($path, 'fileKey', 'OC_DEFAULT_MODULE')
->willReturn(true);
$this->keyStorageMock->expects($this->at(1))
->method('getFileKey')
->with($path, $expectedUid . '.shareKey', 'OC_DEFAULT_MODULE')
->willReturn(true);
if (is_null($uid)) {
$this->keyStorageMock->expects($this->once())
->method('getSystemUserKey')
->willReturn(true);
$this->cryptMock->expects($this->once())
->method('decryptPrivateKey')
->willReturn($privateKey);
} else {
$this->keyStorageMock->expects($this->never())
->method('getSystemUserKey');
$this->utilMock->expects($this->once())->method('isMasterKeyEnabled')
->willReturn($isMasterKeyEnabled);
$this->sessionMock->expects($this->once())->method('getPrivateKey')->willReturn($privateKey);
}
if($privateKey) {
$this->cryptMock->expects($this->once())
->method('multiKeyDecrypt')
->willReturn(true);
} else {
$this->cryptMock->expects($this->never())
->method('multiKeyDecrypt');
}
$this->assertSame($expected,
$this->instance->getFileKey($path, $uid)
);
}
public function dataTestGetFileKey() {
return [
['user1', false, 'privateKey', true],
['user1', false, false, ''],
['user1', true, 'privateKey', true],
['user1', true, false, ''],
['', false, 'privateKey', true],
['', false, false, ''],
['', true, 'privateKey', true],
['', true, false, '']
];
}
public function testDeletePrivateKey() {
$this->keyStorageMock->expects($this->once())
->method('deleteUserKey')
->with('user1', 'privateKey')
->willReturn(true);
$this->assertTrue(self::invokePrivate($this->instance,
'deletePrivateKey',
[$this->userId]));
}
public function testDeleteAllFileKeys() {
$this->keyStorageMock->expects($this->once())
->method('deleteAllFileKeys')
->willReturn(true);
$this->assertTrue($this->instance->deleteAllFileKeys('/'));
}
/**
* test add public share key and or recovery key to the list of public keys
*
* @dataProvider dataTestAddSystemKeys
*
* @param array $accessList
* @param array $publicKeys
* @param string $uid
* @param array $expectedKeys
*/
public function testAddSystemKeys($accessList, $publicKeys, $uid, $expectedKeys) {
$publicShareKeyId = 'publicShareKey';
$recoveryKeyId = 'recoveryKey';
$this->keyStorageMock->expects($this->any())
->method('getSystemUserKey')
->willReturnCallback(function($keyId, $encryptionModuleId) {
return $keyId;
});
$this->utilMock->expects($this->any())
->method('isRecoveryEnabledForUser')
->willReturnCallback(function($uid) {
if ($uid === 'user1') {
return true;
}
return false;
});
// set key IDs
self::invokePrivate($this->instance, 'publicShareKeyId', [$publicShareKeyId]);
self::invokePrivate($this->instance, 'recoveryKeyId', [$recoveryKeyId]);
$result = $this->instance->addSystemKeys($accessList, $publicKeys, $uid);
foreach ($expectedKeys as $expected) {
$this->assertArrayHasKey($expected, $result);
}
$this->assertSameSize($expectedKeys, $result);
}
/**
* data provider for testAddSystemKeys()
*
* @return array
*/
public function dataTestAddSystemKeys() {
return array(
array(['public' => true],[], 'user1', ['publicShareKey', 'recoveryKey']),
array(['public' => false], [], 'user1', ['recoveryKey']),
array(['public' => true],[], 'user2', ['publicShareKey']),
array(['public' => false], [], 'user2', []),
);
}
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public function testGetMasterKeyId() {
$this->assertSame('systemKeyId', $this->instance->getMasterKeyId());
}
public function testGetPublicMasterKey() {
$this->keyStorageMock->expects($this->once())->method('getSystemUserKey')
->with('systemKeyId.publicKey', \OCA\Encryption\Crypto\Encryption::ID)
->willReturn(true);
$this->assertTrue(
$this->instance->getPublicMasterKey()
);
}
public function testGetMasterKeyPassword() {
$this->configMock->expects($this->once())->method('getSystemValue')->with('secret')
->willReturn('password');
$this->assertSame('password',
$this->invokePrivate($this->instance, 'getMasterKeyPassword', [])
);
}
/**
* @expectedException \Exception
*/
public function testGetMasterKeyPasswordException() {
$this->configMock->expects($this->once())->method('getSystemValue')->with('secret')
->willReturn('');
$this->invokePrivate($this->instance, 'getMasterKeyPassword', []);
}
/**
* @dataProvider dataTestValidateMasterKey
*
* @param $masterKey
*/
public function testValidateMasterKey($masterKey) {
/** @var \OCA\Encryption\KeyManager | \PHPUnit_Framework_MockObject_MockObject $instance */
$instance = $this->getMockBuilder('OCA\Encryption\KeyManager')
->setConstructorArgs(
[
$this->keyStorageMock,
$this->cryptMock,
$this->configMock,
$this->userMock,
$this->sessionMock,
$this->logMock,
$this->utilMock
]
)->setMethods(['getPublicMasterKey', 'setSystemPrivateKey', 'getMasterKeyPassword'])
->getMock();
$instance->expects($this->once())->method('getPublicMasterKey')
->willReturn($masterKey);
$instance->expects($this->any())->method('getMasterKeyPassword')->willReturn('masterKeyPassword');
$this->cryptMock->expects($this->any())->method('generateHeader')->willReturn('header');
if(empty($masterKey)) {
$this->cryptMock->expects($this->once())->method('createKeyPair')
->willReturn(['publicKey' => 'public', 'privateKey' => 'private']);
$this->keyStorageMock->expects($this->once())->method('setSystemUserKey')
->with('systemKeyId.publicKey', 'public', \OCA\Encryption\Crypto\Encryption::ID);
$this->cryptMock->expects($this->once())->method('encryptPrivateKey')
->with('private', 'masterKeyPassword', 'systemKeyId')
->willReturn('EncryptedKey');
$instance->expects($this->once())->method('setSystemPrivateKey')
->with('systemKeyId', 'headerEncryptedKey');
} else {
$this->cryptMock->expects($this->never())->method('createKeyPair');
$this->keyStorageMock->expects($this->never())->method('setSystemUserKey');
$this->cryptMock->expects($this->never())->method('encryptPrivateKey');
$instance->expects($this->never())->method('setSystemPrivateKey');
}
$instance->validateMasterKey();
}
public function dataTestValidateMasterKey() {
return [
['masterKey'],
['']
];
}
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public function testGetVersionWithoutFileInfo() {
$view = $this->getMockBuilder('\\OC\\Files\\View')
->disableOriginalConstructor()->getMock();
$view->expects($this->once())
->method('getFileInfo')
->with('/admin/files/myfile.txt')
->willReturn(false);
$this->assertSame(0, $this->instance->getVersion('/admin/files/myfile.txt', $view));
}
public function testGetVersionWithFileInfo() {
$view = $this->getMockBuilder('\\OC\\Files\\View')
->disableOriginalConstructor()->getMock();
$fileInfo = $this->getMockBuilder('\\OC\\Files\\FileInfo')
->disableOriginalConstructor()->getMock();
$fileInfo->expects($this->once())
->method('getEncryptedVersion')
->willReturn(1337);
$view->expects($this->once())
->method('getFileInfo')
->with('/admin/files/myfile.txt')
->willReturn($fileInfo);
$this->assertSame(1337, $this->instance->getVersion('/admin/files/myfile.txt', $view));
}
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public function testSetVersionWithFileInfo() {
$view = $this->getMockBuilder('\\OC\\Files\\View')
->disableOriginalConstructor()->getMock();
$cache = $this->getMockBuilder('\\OCP\\Files\\Cache\\ICache')
->disableOriginalConstructor()->getMock();
$cache->expects($this->once())
->method('update')
->with(123, ['encrypted' => 5, 'encryptedVersion' => 5]);
$storage = $this->getMockBuilder('\\OCP\\Files\\Storage')
->disableOriginalConstructor()->getMock();
$storage->expects($this->once())
->method('getCache')
->willReturn($cache);
$fileInfo = $this->getMockBuilder('\\OC\\Files\\FileInfo')
->disableOriginalConstructor()->getMock();
$fileInfo->expects($this->once())
->method('getStorage')
->willReturn($storage);
$fileInfo->expects($this->once())
->method('getId')
->willReturn(123);
$view->expects($this->once())
->method('getFileInfo')
->with('/admin/files/myfile.txt')
->willReturn($fileInfo);
$this->instance->setVersion('/admin/files/myfile.txt', 5, $view);
}
public function testSetVersionWithoutFileInfo() {
$view = $this->getMockBuilder('\\OC\\Files\\View')
->disableOriginalConstructor()->getMock();
$view->expects($this->once())
->method('getFileInfo')
->with('/admin/files/myfile.txt')
->willReturn(false);
$this->instance->setVersion('/admin/files/myfile.txt', 5, $view);
}
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}