1 files changed, 309 insertions, 0 deletions
diff --git a/apps/encryption/tests/RecoveryTest.php b/apps/encryption/tests/RecoveryTest.php
new file mode 100644
index 00000000000..0627724a856
--- /dev/null
+++ b/apps/encryption/tests/RecoveryTest.php
@@ -0,0 +1,309 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OCA\Encryption\Tests;
+
+use OC\Files\View;
+use OCA\Encryption\Crypto\Crypt;
+use OCA\Encryption\KeyManager;
+use OCA\Encryption\Recovery;
+use OCP\Encryption\IFile;
+use OCP\IConfig;
+use OCP\IUser;
+use OCP\IUserSession;
+use PHPUnit\Framework\MockObject\MockObject;
+use Test\TestCase;
+
+class RecoveryTest extends TestCase {
+	private static $tempStorage = [];
+	/**
+	 * @var IFile|\PHPUnit\Framework\MockObject\MockObject
+	 */
+	private $fileMock;
+	/**
+	 * @var View|\PHPUnit\Framework\MockObject\MockObject
+	 */
+	private $viewMock;
+	/**
+	 * @var IUserSession|\PHPUnit\Framework\MockObject\MockObject
+	 */
+	private $userSessionMock;
+	/**
+	 * @var MockObject|IUser
+	 */
+	private $user;
+	/**
+	 * @var KeyManager|\PHPUnit\Framework\MockObject\MockObject
+	 */
+	private $keyManagerMock;
+	/**
+	 * @var IConfig|\PHPUnit\Framework\MockObject\MockObject
+	 */
+	private $configMock;
+	/**
+	 * @var Crypt|\PHPUnit\Framework\MockObject\MockObject
+	 */
+	private $cryptMock;
+	/**
+	 * @var Recovery
+	 */
+	private $instance;
+
+	public function testEnableAdminRecoverySuccessful(): void {
+		$this->keyManagerMock->expects($this->exactly(2))
+			->method('recoveryKeyExists')
+			->willReturnOnConsecutiveCalls(false, true);
+
+		$this->cryptMock->expects($this->once())
+			->method('createKeyPair')
+			->willReturn([
+				'publicKey' => 'privateKey',
+				'privateKey' => 'publicKey',
+			]);
+
+		$this->keyManagerMock->expects($this->once())
+			->method('setRecoveryKey')
+			->willReturn(false);
+
+		$this->keyManagerMock->expects($this->exactly(2))
+			->method('checkRecoveryPassword')
+			->willReturnOnConsecutiveCalls(true, true);
+
+		$this->assertTrue($this->instance->enableAdminRecovery('password'));
+		$this->assertArrayHasKey('recoveryAdminEnabled', self::$tempStorage);
+		$this->assertEquals(1, self::$tempStorage['recoveryAdminEnabled']);
+
+		$this->assertTrue($this->instance->enableAdminRecovery('password'));
+	}
+
+	public function testEnableAdminRecoveryCouldNotCheckPassword(): void {
+		$this->keyManagerMock->expects($this->exactly(2))
+			->method('recoveryKeyExists')
+			->willReturnOnConsecutiveCalls(false, true);
+
+		$this->cryptMock->expects($this->once())
+			->method('createKeyPair')
+			->willReturn([
+				'publicKey' => 'privateKey',
+				'privateKey' => 'publicKey',
+			]);
+
+		$this->keyManagerMock->expects($this->once())
+			->method('setRecoveryKey')
+			->willReturn(false);
+
+		$this->keyManagerMock->expects($this->exactly(2))
+			->method('checkRecoveryPassword')
+			->willReturnOnConsecutiveCalls(true, false);
+
+		$this->assertTrue($this->instance->enableAdminRecovery('password'));
+		$this->assertArrayHasKey('recoveryAdminEnabled', self::$tempStorage);
+		$this->assertEquals(1, self::$tempStorage['recoveryAdminEnabled']);
+
+		$this->assertFalse($this->instance->enableAdminRecovery('password'));
+	}
+
+	public function testEnableAdminRecoveryCouldNotCreateKey(): void {
+		$this->keyManagerMock->expects($this->once())
+			->method('recoveryKeyExists')
+			->willReturn(false);
+
+		$this->cryptMock->expects($this->once())
+			->method('createKeyPair')
+			->willReturn(false);
+
+		$this->assertFalse($this->instance->enableAdminRecovery('password'));
+	}
+
+	public function testChangeRecoveryKeyPasswordSuccessful(): void {
+		$this->assertFalse($this->instance->changeRecoveryKeyPassword('password',
+			'passwordOld'));
+
+		$this->keyManagerMock->expects($this->once())
+			->method('getSystemPrivateKey');
+
+		$this->cryptMock->expects($this->once())
+			->method('decryptPrivateKey');
+
+		$this->cryptMock->expects($this->once())
+			->method('encryptPrivateKey')
+			->willReturn(true);
+
+		$this->assertTrue($this->instance->changeRecoveryKeyPassword('password',
+			'passwordOld'));
+	}
+
+	public function testChangeRecoveryKeyPasswordCouldNotDecryptPrivateRecoveryKey(): void {
+		$this->assertFalse($this->instance->changeRecoveryKeyPassword('password', 'passwordOld'));
+
+		$this->keyManagerMock->expects($this->once())
+			->method('getSystemPrivateKey');
+
+		$this->cryptMock->expects($this->once())
+			->method('decryptPrivateKey')
+			->willReturn(false);
+
+		$this->assertFalse($this->instance->changeRecoveryKeyPassword('password', 'passwordOld'));
+	}
+
+	public function testDisableAdminRecovery(): void {
+		$this->keyManagerMock->expects($this->exactly(2))
+			->method('checkRecoveryPassword')
+			->willReturnOnConsecutiveCalls(true, false);
+
+		$this->assertArrayHasKey('recoveryAdminEnabled', self::$tempStorage);
+		$this->assertTrue($this->instance->disableAdminRecovery('password'));
+		$this->assertEquals(0, self::$tempStorage['recoveryAdminEnabled']);
+
+		$this->assertFalse($this->instance->disableAdminRecovery('password'));
+	}
+
+	public function testIsRecoveryEnabledForUser(): void {
+		$this->configMock->expects($this->exactly(2))
+			->method('getUserValue')
+			->willReturnOnConsecutiveCalls('1', '0');
+
+		$this->assertTrue($this->instance->isRecoveryEnabledForUser());
+		$this->assertFalse($this->instance->isRecoveryEnabledForUser('admin'));
+	}
+
+	public function testIsRecoveryKeyEnabled(): void {
+		$this->assertFalse($this->instance->isRecoveryKeyEnabled());
+		self::$tempStorage['recoveryAdminEnabled'] = '1';
+		$this->assertTrue($this->instance->isRecoveryKeyEnabled());
+	}
+
+	public function testSetRecoveryFolderForUser(): void {
+		$this->viewMock->expects($this->exactly(2))
+			->method('getDirectoryContent')
+			->willReturn([]);
+		$this->assertTrue($this->instance->setRecoveryForUser(0));
+		$this->assertTrue($this->instance->setRecoveryForUser('1'));
+	}
+
+	public function testRecoverUserFiles(): void {
+		$this->viewMock->expects($this->once())
+			->method('getDirectoryContent')
+			->willReturn([]);
+
+		$this->cryptMock->expects($this->once())
+			->method('decryptPrivateKey')
+			->willReturn('privateKey');
+		$this->instance->recoverUsersFiles('password', 'admin');
+		$this->addToAssertionCount(1);
+	}
+
+	public function testRecoverFile(): void {
+		$this->keyManagerMock->expects($this->once())
+			->method('getEncryptedFileKey')
+			->willReturn(true);
+
+		$this->keyManagerMock->expects($this->once())
+			->method('getShareKey')
+			->willReturn(true);
+
+		$this->cryptMock->expects($this->once())
+			->method('multiKeyDecryptLegacy')
+			->willReturn('multiKeyDecryptLegacyResult');
+
+		$this->fileMock->expects($this->once())
+			->method('getAccessList')
+			->willReturn(['users' => ['admin']]);
+
+		$this->keyManagerMock->expects($this->once())
+			->method('getPublicKey')
+			->willReturn('publicKey');
+
+		$this->keyManagerMock->expects($this->once())
+			->method('addSystemKeys')
+			->with($this->anything(), $this->anything(), $this->equalTo('admin'))
+			->willReturn(['admin' => 'publicKey']);
+
+
+		$this->cryptMock->expects($this->once())
+			->method('multiKeyEncrypt')
+			->willReturn(['admin' => 'shareKey']);
+
+		$this->keyManagerMock->expects($this->once())
+			->method('deleteLegacyFileKey');
+		$this->keyManagerMock->expects($this->once())
+			->method('setShareKey');
+
+		$this->assertNull(self::invokePrivate($this->instance,
+			'recoverFile',
+			['/', 'testkey', 'admin']));
+	}
+
+	protected function setUp(): void {
+		parent::setUp();
+
+		$this->user = $this->createMock(IUser::class);
+		$this->user->expects($this->any())
+			->method('getUID')
+			->willReturn('admin');
+
+		$this->userSessionMock = $this->createMock(IUserSession::class);
+		$this->userSessionMock->expects($this->any())
+			->method('getUser')
+			->willReturn($this->user);
+		$this->userSessionMock->expects($this->any())
+			->method('isLoggedIn')
+			->willReturn(true);
+
+		$this->cryptMock = $this->getMockBuilder(Crypt::class)->disableOriginalConstructor()->getMock();
+		$this->keyManagerMock = $this->getMockBuilder(KeyManager::class)->disableOriginalConstructor()->getMock();
+		$this->configMock = $this->createMock(IConfig::class);
+		$this->fileMock = $this->createMock(IFile::class);
+		$this->viewMock = $this->createMock(View::class);
+
+		$this->configMock->expects($this->any())
+			->method('setAppValue')
+			->willReturnCallback([$this, 'setValueTester']);
+
+		$this->configMock->expects($this->any())
+			->method('getAppValue')
+			->willReturnCallback([$this, 'getValueTester']);
+
+		$this->instance = new Recovery($this->userSessionMock,
+			$this->cryptMock,
+			$this->keyManagerMock,
+			$this->configMock,
+			$this->fileMock,
+			$this->viewMock);
+	}
+
+
+	/**
+	 * @param $app
+	 * @param $key
+	 * @param $value
+	 */
+	public function setValueTester($app, $key, $value) {
+		self::$tempStorage[$key] = $value;
+	}
+
+	/**
+	 * @param $key
+	 */
+	public function removeValueTester($key) {
+		unset(self::$tempStorage[$key]);
+	}
+
+	/**
+	 * @param $app
+	 * @param $key
+	 * @return mixed
+	 */
+	public function getValueTester($app, $key) {
+		if (!empty(self::$tempStorage[$key])) {
+			return self::$tempStorage[$key];
+		}
+		return null;
+	}
+}