feat(app-framework): Add UseSession attribute to replace annotation

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

core/Controller/ClientFlowLoginController.php

@@ -41,6 +41,7 @@ use OCA\OAuth2\Db\AccessTokenMapper;
 use OCA\OAuth2\Db\ClientMapper;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\UseSession;
 use OCP\AppFramework\Http\Response;
 use OCP\AppFramework\Http\StandaloneTemplateResponse;
 use OCP\Defaults;
@@ -126,8 +127,8 @@ class ClientFlowLoginController extends Controller {
 	/**
 	 * @PublicPage
 	 * @NoCSRFRequired
-	 * @UseSession
 	 */
+	#[UseSession]
 	public function showAuthPickerPage(string $clientIdentifier = '', string $user = '', int $direct = 0): StandaloneTemplateResponse {
 		$clientName = $this->getClientName();
 		$client = null;
@@ -193,8 +194,8 @@ class ClientFlowLoginController extends Controller {
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
 	 * @NoSameSiteCookieRequired
-	 * @UseSession
 	 */
+	#[UseSession]
 	public function grantPage(string $stateToken = '',
 				  string $clientIdentifier = '',
 				  int $direct = 0): StandaloneTemplateResponse {
@@ -243,10 +244,10 @@ class ClientFlowLoginController extends Controller {
 
 	/**
 	 * @NoAdminRequired
-	 * @UseSession
 	 *
 	 * @return Http\RedirectResponse|Response
 	 */
+	#[UseSession]
 	public function generateAppPassword(string $stateToken,
 										string $clientIdentifier = '') {
 		if (!$this->isValidToken($stateToken)) {

core/Controller/ClientFlowLoginV2Controller.php

@@ -33,6 +33,7 @@ use OC\Core\Exception\LoginFlowV2NotFoundException;
 use OC\Core\Service\LoginFlowV2Service;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\UseSession;
 use OCP\AppFramework\Http\JSONResponse;
 use OCP\AppFramework\Http\RedirectResponse;
 use OCP\AppFramework\Http\Response;
@@ -97,8 +98,8 @@ class ClientFlowLoginV2Controller extends Controller {
 	/**
 	 * @NoCSRFRequired
 	 * @PublicPage
-	 * @UseSession
 	 */
+	#[UseSession]
 	public function landing(string $token, $user = ''): Response {
 		if (!$this->loginFlowV2Service->startLoginFlow($token)) {
 			return $this->loginTokenForbiddenResponse();
@@ -114,8 +115,8 @@ class ClientFlowLoginV2Controller extends Controller {
 	/**
 	 * @NoCSRFRequired
 	 * @PublicPage
-	 * @UseSession
 	 */
+	#[UseSession]
 	public function showAuthPickerPage($user = ''): StandaloneTemplateResponse {
 		try {
 			$flow = $this->getFlowByLoginToken();
@@ -145,10 +146,10 @@ class ClientFlowLoginV2Controller extends Controller {
 
 	/**
 	 * @NoAdminRequired
-	 * @UseSession
 	 * @NoCSRFRequired
 	 * @NoSameSiteCookieRequired
 	 */
+	#[UseSession]
 	public function grantPage(string $stateToken): StandaloneTemplateResponse {
 		if (!$this->isValidStateToken($stateToken)) {
 			return $this->stateTokenForbiddenResponse();
@@ -222,8 +223,8 @@ class ClientFlowLoginV2Controller extends Controller {
 
 	/**
 	 * @NoAdminRequired
-	 * @UseSession
 	 */
+	#[UseSession]
 	public function generateAppPassword(string $stateToken): Response {
 		if (!$this->isValidStateToken($stateToken)) {
 			return $this->stateTokenForbiddenResponse();

core/Controller/LoginController.php

@@ -43,6 +43,7 @@ use OC\User\Session;
 use OC_App;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\UseSession;
 use OCP\AppFramework\Http\DataResponse;
 use OCP\AppFramework\Http\RedirectResponse;
 use OCP\AppFramework\Http\TemplateResponse;
@@ -105,10 +106,10 @@ class LoginController extends Controller {
 
 	/**
 	 * @NoAdminRequired
-	 * @UseSession
 	 *
 	 * @return RedirectResponse
 	 */
+	#[UseSession]
 	public function logout() {
 		$loginToken = $this->request->getCookie('nc_token');
 		if (!is_null($loginToken)) {
@@ -134,13 +135,13 @@ class LoginController extends Controller {
 	/**
 	 * @PublicPage
 	 * @NoCSRFRequired
-	 * @UseSession
 	 *
 	 * @param string $user
 	 * @param string $redirect_url
 	 *
 	 * @return TemplateResponse|RedirectResponse
 	 */
+	#[UseSession]
 	public function showLoginForm(string $user = null, string $redirect_url = null): Http\Response {
 		if ($this->userSession->isLoggedIn()) {
 			return new RedirectResponse($this->urlGenerator->linkToDefaultPageUrl());
@@ -283,12 +284,12 @@ class LoginController extends Controller {
 
 	/**
 	 * @PublicPage
-	 * @UseSession
 	 * @NoCSRFRequired
 	 * @BruteForceProtection(action=login)
 	 *
 	 * @return RedirectResponse
 	 */
+	#[UseSession]
 	public function tryLogin(Chain $loginChain,
 							 string $user,
 							 string $password,
@@ -368,12 +369,12 @@ class LoginController extends Controller {
 
 	/**
 	 * @NoAdminRequired
-	 * @UseSession
 	 * @BruteForceProtection(action=sudo)
 	 *
 	 * @license GNU AGPL version 3 or any later version
 	 *
 	 */
+	#[UseSession]
 	public function confirmPassword(string $password): DataResponse {
 		$loginName = $this->userSession->getLoginName();
 		$loginResult = $this->userManager->checkPassword($loginName, $password);

core/Controller/TwoFactorChallengeController.php

@@ -28,6 +28,7 @@ namespace OC\Core\Controller;
 use OC\Authentication\TwoFactorAuth\Manager;
 use OC_User;
 use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\Attribute\UseSession;
 use OCP\AppFramework\Http\RedirectResponse;
 use OCP\AppFramework\Http\StandaloneTemplateResponse;
 use OCP\Authentication\TwoFactorAuth\IActivatableAtLogin;
@@ -110,13 +111,13 @@ class TwoFactorChallengeController extends Controller {
 	/**
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
-	 * @UseSession
 	 * @TwoFactorSetUpDoneRequired
 	 *
 	 * @param string $challengeProviderId
 	 * @param string $redirect_url
 	 * @return StandaloneTemplateResponse|RedirectResponse
 	 */
+	#[UseSession]
 	public function showChallenge($challengeProviderId, $redirect_url) {
 		$user = $this->userSession->getUser();
 		$providerSet = $this->twoFactorManager->getProviderSet($user);
@@ -161,7 +162,6 @@ class TwoFactorChallengeController extends Controller {
 	/**
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
-	 * @UseSession
 	 * @TwoFactorSetUpDoneRequired
 	 *
 	 * @UserRateThrottle(limit=5, period=100)
@@ -171,6 +171,7 @@ class TwoFactorChallengeController extends Controller {
 	 * @param string $redirect_url
 	 * @return RedirectResponse
 	 */
+	#[UseSession]
 	public function solveChallenge($challengeProviderId, $challenge, $redirect_url = null) {
 		$user = $this->userSession->getUser();
 		$provider = $this->twoFactorManager->getProvider($user, $challengeProviderId);

core/Controller/WebAuthnController.php

@@ -33,6 +33,7 @@ use OC\Authentication\WebAuthn\Manager;
 use OC\URLGenerator;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\Attribute\UseSession;
 use OCP\AppFramework\Http\JSONResponse;
 use OCP\IRequest;
 use OCP\ISession;
@@ -63,8 +64,8 @@ class WebAuthnController extends Controller {
 	/**
 	 * @NoAdminRequired
 	 * @PublicPage
-	 * @UseSession
 	 */
+	#[UseSession]
 	public function startAuthentication(string $loginName): JSONResponse {
 		$this->logger->debug('Starting WebAuthn login');
 
@@ -87,8 +88,8 @@ class WebAuthnController extends Controller {
 	/**
 	 * @NoAdminRequired
 	 * @PublicPage
-	 * @UseSession
 	 */
+	#[UseSession]
 	public function finishAuthentication(string $data): JSONResponse {
 		$this->logger->debug('Validating WebAuthn login');
 

lib/composer/composer/autoload_classmap.php

@@ -35,6 +35,7 @@ return array(
     'OCP\\AppFramework\\Db\\QBMapper' => $baseDir . '/lib/public/AppFramework/Db/QBMapper.php',
     'OCP\\AppFramework\\Db\\TTransactional' => $baseDir . '/lib/public/AppFramework/Db/TTransactional.php',
     'OCP\\AppFramework\\Http' => $baseDir . '/lib/public/AppFramework/Http.php',
+    'OCP\\AppFramework\\Http\\Attribute\\UseSession' => $baseDir . '/lib/public/AppFramework/Http/Attribute/UseSession.php',
     'OCP\\AppFramework\\Http\\ContentSecurityPolicy' => $baseDir . '/lib/public/AppFramework/Http/ContentSecurityPolicy.php',
     'OCP\\AppFramework\\Http\\DataDisplayResponse' => $baseDir . '/lib/public/AppFramework/Http/DataDisplayResponse.php',
     'OCP\\AppFramework\\Http\\DataDownloadResponse' => $baseDir . '/lib/public/AppFramework/Http/DataDownloadResponse.php',

lib/composer/composer/autoload_static.php

@@ -68,6 +68,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OCP\\AppFramework\\Db\\QBMapper' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Db/QBMapper.php',
         'OCP\\AppFramework\\Db\\TTransactional' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Db/TTransactional.php',
         'OCP\\AppFramework\\Http' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Http.php',
+        'OCP\\AppFramework\\Http\\Attribute\\UseSession' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Http/Attribute/UseSession.php',
         'OCP\\AppFramework\\Http\\ContentSecurityPolicy' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Http/ContentSecurityPolicy.php',
         'OCP\\AppFramework\\Http\\DataDisplayResponse' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Http/DataDisplayResponse.php',
         'OCP\\AppFramework\\Http\\DataDownloadResponse' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Http/DataDownloadResponse.php',

lib/private/AppFramework/Middleware/SessionMiddleware.php

@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2016, ownCloud, Inc.
  *
@@ -27,9 +30,11 @@ namespace OC\AppFramework\Middleware;
 
 use OC\AppFramework\Utility\ControllerMethodReflector;
 use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\Attribute\UseSession;
 use OCP\AppFramework\Http\Response;
 use OCP\AppFramework\Middleware;
 use OCP\ISession;
+use ReflectionMethod;
 
 class SessionMiddleware extends Middleware {
 	/** @var ControllerMethodReflector */
@@ -49,8 +54,18 @@ class SessionMiddleware extends Middleware {
 	 * @param string $methodName
 	 */
 	public function beforeController($controller, $methodName) {
-		$useSession = $this->reflector->hasAnnotation('UseSession');
-		if ($useSession) {
+		/**
+		 * Annotation deprecated with Nextcloud 26
+		 */
+		$hasAnnotation = $this->reflector->hasAnnotation('UseSession');
+		if ($hasAnnotation) {
+			$this->session->reopen();
+			return;
+		}
+
+		$reflectionMethod = new ReflectionMethod($controller, $methodName);
+		$hasAttribute = !empty($reflectionMethod->getAttributes(UseSession::class));
+		if ($hasAttribute) {
 			$this->session->reopen();
 		}
 	}
@@ -62,10 +77,21 @@ class SessionMiddleware extends Middleware {
 	 * @return Response
 	 */
 	public function afterController($controller, $methodName, Response $response) {
-		$useSession = $this->reflector->hasAnnotation('UseSession');
-		if ($useSession) {
+		/**
+		 * Annotation deprecated with Nextcloud 26
+		 */
+		$hasAnnotation = $this->reflector->hasAnnotation('UseSession');
+		if ($hasAnnotation) {
 			$this->session->close();
+			return $response;
 		}
+
+		$reflectionMethod = new ReflectionMethod($controller, $methodName);
+		$hasAttribute = !empty($reflectionMethod->getAttributes(UseSession::class));
+		if ($hasAttribute) {
+			$this->session->close();
+		}
+
 		return $response;
 	}
 }

lib/public/AppFramework/Http/Attribute/UseSession.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * @copyright 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author 2023 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace OCP\AppFramework\Http\Attribute;
+
+use Attribute;
+
+/**
+ * Attribute for controller methods that need to read/write PHP session data
+ *
+ * @since 26.0.0
+ */
+#[Attribute]
+class UseSession {
+}

tests/lib/AppFramework/Middleware/SessionMiddlewareTest.php

@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * ownCloud - App Framework
  *
@@ -14,84 +17,128 @@ namespace Test\AppFramework\Middleware;
 use OC\AppFramework\Middleware\SessionMiddleware;
 use OC\AppFramework\Utility\ControllerMethodReflector;
 use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\Attribute\UseSession;
 use OCP\AppFramework\Http\Response;
+use OCP\IRequest;
+use OCP\ISession;
+use PHPUnit\Framework\MockObject\MockObject;
+use Test\TestCase;
 
-class SessionMiddlewareTest extends \Test\TestCase {
-	/** @var ControllerMethodReflector */
-	private $reflector;
-
-	/** @var Controller */
-	private $controller;
+class SessionMiddlewareTest extends TestCase {
+	private ControllerMethodReflector|MockObject $reflector;
+	private ISession|MockObject $session;
+	private Controller $controller;
+	private SessionMiddleware $middleware;
 
 	protected function setUp(): void {
 		parent::setUp();
 
-		$this->reflector = new ControllerMethodReflector();
-		$this->controller = $this->createMock(Controller::class);
+		$this->reflector = $this->createMock(ControllerMethodReflector::class);
+		$this->session = $this->createMock(ISession::class);
+		$this->controller = new class('app', $this->createMock(IRequest::class)) extends Controller {
+			/**
+			 * @UseSession
+			 */
+			public function withAnnotation() {
+			}
+			#[UseSession]
+			public function withAttribute() {
+			}
+			public function without() {
+			}
+		};
+		$this->middleware = new SessionMiddleware(
+			$this->reflector,
+			$this->session,
+		);
+	}
+
+	public function testSessionNotClosedOnBeforeController(): void {
+		$this->configureSessionMock(0, 1);
+		$this->reflector->expects(self::once())
+			->method('hasAnnotation')
+			->with('UseSession')
+			->willReturn(true);
+
+		$this->middleware->beforeController($this->controller, 'withAnnotation');
 	}
 
-	/**
-	 * @UseSession
-	 */
-	public function testSessionNotClosedOnBeforeController() {
-		$session = $this->getSessionMock(0, 1);
+	public function testSessionNotClosedOnBeforeControllerWithAttribute(): void {
+		$this->configureSessionMock(0, 1);
+		$this->reflector->expects(self::once())
+			->method('hasAnnotation')
+			->with('UseSession')
+			->willReturn(false);
 
-		$this->reflector->reflect($this, __FUNCTION__);
-		$middleware = new SessionMiddleware($this->reflector, $session);
-		$middleware->beforeController($this->controller, __FUNCTION__);
+		$this->middleware->beforeController($this->controller, 'withAttribute');
 	}
 
-	/**
-	 * @UseSession
-	 */
-	public function testSessionClosedOnAfterController() {
-		$session = $this->getSessionMock(1);
+	public function testSessionClosedOnAfterController(): void {
+		$this->configureSessionMock(1);
+		$this->reflector->expects(self::once())
+			->method('hasAnnotation')
+			->with('UseSession')
+			->willReturn(true);
 
-		$this->reflector->reflect($this, __FUNCTION__);
-		$middleware = new SessionMiddleware($this->reflector, $session);
-		$middleware->afterController($this->controller, __FUNCTION__, new Response());
+		$this->middleware->afterController($this->controller, 'withAnnotation', new Response());
 	}
 
-	/**
-	 * @UseSession
-	 */
-	public function testSessionReopenedAndClosedOnBeforeController() {
-		$session = $this->getSessionMock(1, 1);
+	public function testSessionClosedOnAfterControllerWithAttribute(): void {
+		$this->configureSessionMock(1);
+		$this->reflector->expects(self::once())
+			->method('hasAnnotation')
+			->with('UseSession')
+			->willReturn(true);
 
-		$this->reflector->reflect($this, __FUNCTION__);
-		$middleware = new SessionMiddleware($this->reflector, $session);
-		$middleware->beforeController($this->controller, __FUNCTION__);
-		$middleware->afterController($this->controller, __FUNCTION__, new Response());
+		$this->middleware->afterController($this->controller, 'withAttribute', new Response());
 	}
 
-	public function testSessionClosedOnBeforeController() {
-		$session = $this->getSessionMock(0);
+	public function testSessionReopenedAndClosedOnBeforeController(): void {
+		$this->configureSessionMock(1, 1);
+		$this->reflector->expects(self::exactly(2))
+			->method('hasAnnotation')
+			->with('UseSession')
+			->willReturn(true);
 
-		$this->reflector->reflect($this, __FUNCTION__);
-		$middleware = new SessionMiddleware($this->reflector, $session);
-		$middleware->beforeController($this->controller, __FUNCTION__);
+		$this->middleware->beforeController($this->controller, 'withAnnotation');
+		$this->middleware->afterController($this->controller, 'withAnnotation', new Response());
 	}
 
-	public function testSessionNotClosedOnAfterController() {
-		$session = $this->getSessionMock(0);
+	public function testSessionReopenedAndClosedOnBeforeControllerWithAttribute(): void {
+		$this->configureSessionMock(1, 1);
+		$this->reflector->expects(self::exactly(2))
+			->method('hasAnnotation')
+			->with('UseSession')
+			->willReturn(false);
 
-		$this->reflector->reflect($this, __FUNCTION__);
-		$middleware = new SessionMiddleware($this->reflector, $session);
-		$middleware->afterController($this->controller, __FUNCTION__, new Response());
+		$this->middleware->beforeController($this->controller, 'withAttribute');
+		$this->middleware->afterController($this->controller, 'withAttribute', new Response());
 	}
 
-	/**
-	 * @return mixed
-	 */
-	private function getSessionMock(int $expectedCloseCount, int $expectedReopenCount = 0) {
-		$session = $this->getMockBuilder('\OC\Session\Memory')
-			->disableOriginalConstructor()
-			->getMock();
+	public function testSessionClosedOnBeforeController(): void {
+		$this->configureSessionMock(0);
+		$this->reflector->expects(self::once())
+			->method('hasAnnotation')
+			->with('UseSession')
+			->willReturn(false);
+
+		$this->middleware->beforeController($this->controller, 'without');
+	}
+
+	public function testSessionNotClosedOnAfterController(): void {
+		$this->configureSessionMock(0);
+		$this->reflector->expects(self::once())
+			->method('hasAnnotation')
+			->with('UseSession')
+			->willReturn(false);
+
+		$this->middleware->afterController($this->controller, 'without', new Response());
+	}
 
-		$session->expects($this->exactly($expectedCloseCount))
+	private function configureSessionMock(int $expectedCloseCount, int $expectedReopenCount = 0): void {
+		$this->session->expects($this->exactly($expectedCloseCount))
 			->method('close');
-		$session->expects($this->exactly($expectedReopenCount))
+		$this->session->expects($this->exactly($expectedReopenCount))
 			->method('reopen');
-		return $session;
 	}
 }