266 lines
7.7 KiB
PHP
266 lines
7.7 KiB
PHP
<?php
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/**
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* @author Björn Schießle <schiessle@owncloud.com>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program 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 License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCA\Encryption\Tests\lib\Crypto;
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use OCA\Encryption\Exceptions\PublicKeyMissingException;
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use Test\TestCase;
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use OCA\Encryption\Crypto\Encryption;
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class EncryptionTest extends TestCase {
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/** @var Encryption */
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private $instance;
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/** @var \PHPUnit_Framework_MockObject_MockObject */
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private $keyManagerMock;
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/** @var \PHPUnit_Framework_MockObject_MockObject */
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private $cryptMock;
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/** @var \PHPUnit_Framework_MockObject_MockObject */
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private $utilMock;
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/** @var \PHPUnit_Framework_MockObject_MockObject */
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private $loggerMock;
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/** @var \PHPUnit_Framework_MockObject_MockObject */
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private $l10nMock;
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public function setUp() {
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parent::setUp();
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$this->cryptMock = $this->getMockBuilder('OCA\Encryption\Crypto\Crypt')
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->disableOriginalConstructor()
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->getMock();
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$this->utilMock = $this->getMockBuilder('OCA\Encryption\Util')
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->disableOriginalConstructor()
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->getMock();
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$this->keyManagerMock = $this->getMockBuilder('OCA\Encryption\KeyManager')
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->disableOriginalConstructor()
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->getMock();
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$this->loggerMock = $this->getMockBuilder('OCP\ILogger')
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->disableOriginalConstructor()
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->getMock();
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$this->l10nMock = $this->getMockBuilder('OCP\IL10N')
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->disableOriginalConstructor()
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->getMock();
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$this->l10nMock->expects($this->any())
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->method('t')
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->with($this->anything())
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->willReturnArgument(0);
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$this->instance = new Encryption(
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$this->cryptMock,
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$this->keyManagerMock,
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$this->utilMock,
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$this->loggerMock,
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$this->l10nMock
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);
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}
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/**
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* test if public key from one of the recipients is missing
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*/
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public function testEndUser1() {
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$this->instance->begin('/foo/bar', 'user1', 'r', array(), array('users' => array('user1', 'user2', 'user3')));
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$this->endTest();
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}
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/**
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* test if public key from owner is missing
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*
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* @expectedException \OCA\Encryption\Exceptions\PublicKeyMissingException
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*/
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public function testEndUser2() {
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$this->instance->begin('/foo/bar', 'user2', 'r', array(), array('users' => array('user1', 'user2', 'user3')));
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$this->endTest();
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}
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/**
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* common part of testEndUser1 and testEndUser2
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*
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* @throws PublicKeyMissingException
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*/
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public function endTest() {
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// prepare internal variables
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\Test_Helper::invokePrivate($this->instance, 'isWriteOperation', [true]);
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\Test_Helper::invokePrivate($this->instance, 'writeCache', ['']);
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$this->keyManagerMock->expects($this->any())
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->method('getPublicKey')
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->will($this->returnCallback([$this, 'getPublicKeyCallback']));
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$this->keyManagerMock->expects($this->any())
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->method('addSystemKeys')
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->will($this->returnCallback([$this, 'addSystemKeysCallback']));
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$this->cryptMock->expects($this->any())
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->method('multiKeyEncrypt')
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->willReturn(true);
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$this->cryptMock->expects($this->any())
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->method('setAllFileKeys')
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->willReturn(true);
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$this->instance->end('/foo/bar');
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}
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public function getPublicKeyCallback($uid) {
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if ($uid === 'user2') {
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throw new PublicKeyMissingException($uid);
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}
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return $uid;
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}
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public function addSystemKeysCallback($accessList, $publicKeys) {
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$this->assertSame(2, count($publicKeys));
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$this->assertArrayHasKey('user1', $publicKeys);
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$this->assertArrayHasKey('user3', $publicKeys);
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return $publicKeys;
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}
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/**
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* @dataProvider dataProviderForTestGetPathToRealFile
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*/
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public function testGetPathToRealFile($path, $expected) {
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$this->assertSame($expected,
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\Test_Helper::invokePrivate($this->instance, 'getPathToRealFile', array($path))
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);
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}
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public function dataProviderForTestGetPathToRealFile() {
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return array(
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array('/user/files/foo/bar.txt', '/user/files/foo/bar.txt'),
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array('/user/files/foo.txt', '/user/files/foo.txt'),
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array('/user/files_versions/foo.txt.v543534', '/user/files/foo.txt'),
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array('/user/files_versions/foo/bar.txt.v5454', '/user/files/foo/bar.txt'),
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);
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}
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/**
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* @dataProvider dataTestBegin
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*/
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public function testBegin($mode, $header, $legacyCipher, $defaultCipher, $fileKey, $expected) {
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$this->cryptMock->expects($this->any())
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->method('getCipher')
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->willReturn($defaultCipher);
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$this->cryptMock->expects($this->any())
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->method('getLegacyCipher')
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->willReturn($legacyCipher);
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if (empty($fileKey)) {
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$this->cryptMock->expects($this->once())
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->method('generateFileKey')
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->willReturn('fileKey');
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} else {
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$this->cryptMock->expects($this->never())
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->method('generateFileKey');
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}
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$this->keyManagerMock->expects($this->once())
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->method('getFileKey')
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->willReturn($fileKey);
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$result = $this->instance->begin('/user/files/foo.txt', 'user', $mode, $header, []);
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$this->assertArrayHasKey('cipher', $result);
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$this->assertSame($expected, $result['cipher']);
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if ($mode === 'w') {
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$this->assertTrue(\Test_Helper::invokePrivate($this->instance, 'isWriteOperation'));
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} else {
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$this->assertFalse(\Test_Helper::invokePrivate($this->instance, 'isWriteOperation'));
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}
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}
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public function dataTestBegin() {
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return array(
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array('w', ['cipher' => 'myCipher'], 'legacyCipher', 'defaultCipher', 'fileKey', 'myCipher'),
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array('r', ['cipher' => 'myCipher'], 'legacyCipher', 'defaultCipher', 'fileKey', 'myCipher'),
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array('w', [], 'legacyCipher', 'defaultCipher', '', 'defaultCipher'),
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array('r', [], 'legacyCipher', 'defaultCipher', 'file_key', 'legacyCipher'),
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);
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}
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/**
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* @dataProvider dataTestUpdate
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*
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* @param string $fileKey
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* @param boolean $expected
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*/
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public function testUpdate($fileKey, $expected) {
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$this->keyManagerMock->expects($this->once())
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->method('getFileKey')->willReturn($fileKey);
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$this->keyManagerMock->expects($this->any())
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->method('getPublicKey')->willReturn('publicKey');
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$this->keyManagerMock->expects($this->any())
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->method('addSystemKeys')
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->willReturnCallback(function($accessList, $publicKeys) {
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return $publicKeys;
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});
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$this->assertSame($expected,
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$this->instance->update('path', 'user1', ['users' => ['user1']])
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);
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}
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public function dataTestUpdate() {
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return array(
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array('', false),
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array('fileKey', true)
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);
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}
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* by default the encryption module should encrypt regular files, files in
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* files_versions and files in files_trashbin
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*
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* @dataProvider dataTestShouldEncrypt
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*/
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public function testShouldEncrypt($path, $expected) {
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$this->assertSame($expected,
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$this->instance->shouldEncrypt($path)
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);
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}
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public function dataTestShouldEncrypt() {
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return array(
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array('/user1/files/foo.txt', true),
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array('/user1/files_versions/foo.txt', true),
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array('/user1/files_trashbin/foo.txt', true),
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array('/user1/some_folder/foo.txt', false),
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array('/user1/foo.txt', false),
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array('/user1/files', false),
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array('/user1/files_trashbin', false),
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array('/user1/files_versions', false),
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);
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}
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/**
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* @expectedException \OC\Encryption\Exceptions\DecryptionFailedException
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* @expectedExceptionMessage Can not decrypt this file, probably this is a shared file. Please ask the file owner to reshare the file with you.
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*/
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public function testDecrypt() {
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$this->instance->decrypt('abc');
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}
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}
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