encrypt client secrets

Signed-off-by: Julien Veyssier <julien-nc@posteo.net>

apps/oauth2/composer/composer/LICENSE

@@ -1,4 +1,3 @@
-
 Copyright (c) Nils Adermann, Jordi Boggiano
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -18,4 +17,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
-

apps/oauth2/composer/composer/autoload_classmap.php

@@ -19,5 +19,6 @@
     'OCA\\OAuth2\\Migration\\SetTokenExpiration' => $baseDir . '/../lib/Migration/SetTokenExpiration.php',
     'OCA\\OAuth2\\Migration\\Version010401Date20181207190718' => $baseDir . '/../lib/Migration/Version010401Date20181207190718.php',
     'OCA\\OAuth2\\Migration\\Version010402Date20190107124745' => $baseDir . '/../lib/Migration/Version010402Date20190107124745.php',
+    'OCA\\OAuth2\\Migration\\Version011601Date20230522143227' => $baseDir . '/../lib/Migration/Version011601Date20230522143227.php',
     'OCA\\OAuth2\\Settings\\Admin' => $baseDir . '/../lib/Settings/Admin.php',
 );

apps/oauth2/composer/composer/autoload_static.php

@@ -34,6 +34,7 @@ class ComposerStaticInitOAuth2
         'OCA\\OAuth2\\Migration\\SetTokenExpiration' => __DIR__ . '/..' . '/../lib/Migration/SetTokenExpiration.php',
         'OCA\\OAuth2\\Migration\\Version010401Date20181207190718' => __DIR__ . '/..' . '/../lib/Migration/Version010401Date20181207190718.php',
         'OCA\\OAuth2\\Migration\\Version010402Date20190107124745' => __DIR__ . '/..' . '/../lib/Migration/Version010402Date20190107124745.php',
+        'OCA\\OAuth2\\Migration\\Version011601Date20230522143227' => __DIR__ . '/..' . '/../lib/Migration/Version011601Date20230522143227.php',
         'OCA\\OAuth2\\Settings\\Admin' => __DIR__ . '/..' . '/../lib/Settings/Admin.php',
     );
 

apps/oauth2/lib/Controller/OauthApiController.php

@@ -125,7 +125,8 @@ public function getToken($grant_type, $code, $refresh_token, $client_id, $client
 		}
 
 		// The client id and secret must match. Else we don't provide an access token!
-		if ($client->getClientIdentifier() !== $client_id || $client->getSecret() !== $client_secret) {
+		$storedClientSecret = $this->crypto->decrypt($client->getSecret());
+		if ($client->getClientIdentifier() !== $client_id || $storedClientSecret !== $client_secret) {
 			return new JSONResponse([
 				'error' => 'invalid_client',
 			], Http::STATUS_BAD_REQUEST);

apps/oauth2/lib/Controller/SettingsController.php

@@ -41,41 +41,25 @@
 use OCP\IRequest;
 use OCP\IUser;
 use OCP\IUserManager;
+use OCP\Security\ICrypto;
 use OCP\Security\ISecureRandom;
 
 class SettingsController extends Controller {
-	/** @var ClientMapper */
-	private $clientMapper;
-	/** @var ISecureRandom */
-	private $secureRandom;
-	/** @var AccessTokenMapper  */
-	private $accessTokenMapper;
-	/** @var IL10N */
-	private $l;
-	/** @var IAuthTokenProvider */
-	private $tokenProvider;
-	/**
-	 * @var IUserManager
-	 */
-	private $userManager;
+
 	public const validChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
 
-	public function __construct(string $appName,
-								IRequest $request,
-								ClientMapper $clientMapper,
-								ISecureRandom $secureRandom,
-								AccessTokenMapper $accessTokenMapper,
-								IL10N $l,
-								IAuthTokenProvider $tokenProvider,
-								IUserManager $userManager
+	public function __construct(
+		string $appName,
+		IRequest $request,
+		private ClientMapper $clientMapper,
+		private ISecureRandom $secureRandom,
+		private AccessTokenMapper $accessTokenMapper,
+		private IL10N $l,
+		private IAuthTokenProvider $tokenProvider,
+		private IUserManager $userManager,
+		private ICrypto $crypto
 	) {
 		parent::__construct($appName, $request);
-		$this->secureRandom = $secureRandom;
-		$this->clientMapper = $clientMapper;
-		$this->accessTokenMapper = $accessTokenMapper;
-		$this->l = $l;
-		$this->tokenProvider = $tokenProvider;
-		$this->userManager = $userManager;
 	}
 
 	public function addClient(string $name,
@@ -87,7 +71,9 @@ public function addClient(string $name,
 		$client = new Client();
 		$client->setName($name);
 		$client->setRedirectUri($redirectUri);
-		$client->setSecret($this->secureRandom->generate(64, self::validChars));
+		$secret = $this->secureRandom->generate(64, self::validChars);
+		$encryptedSecret = $this->crypto->encrypt($secret);
+		$client->setSecret($encryptedSecret);
 		$client->setClientIdentifier($this->secureRandom->generate(64, self::validChars));
 		$client = $this->clientMapper->insert($client);
 
@@ -96,7 +82,7 @@ public function addClient(string $name,
 			'name' => $client->getName(),
 			'redirectUri' => $client->getRedirectUri(),
 			'clientId' => $client->getClientIdentifier(),
-			'clientSecret' => $client->getSecret(),
+			'clientSecret' => $secret,
 		];
 
 		return new JSONResponse($result);

apps/oauth2/lib/Migration/Version011601Date20230522143227.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright 2023, Julien Veyssier <julien-nc@posteo.net>
+ *
+ * @author Julien Veyssier <julien-nc@posteo.net>
+ *
+ * @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 OCA\OAuth2\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+use OCP\Security\ICrypto;
+
+class Version011601Date20230522143227 extends SimpleMigrationStep {
+
+	public function __construct(
+		private IDBConnection $connection,
+		private ICrypto $crypto,
+	) {
+	}
+
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if ($schema->hasTable('oauth2_clients')) {
+			$table = $schema->getTable('oauth2_clients');
+			if ($table->hasColumn('secret')) {
+				$column = $table->getColumn('secret');
+				$column->setLength(256);
+				return $schema;
+			}
+		}
+
+		return null;
+	}
+
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
+		$qb = $this->connection->getQueryBuilder();
+		$secrets = [];
+		$qb->select('id', 'secret')
+			->from('oauth2_clients');
+		$req = $qb->executeQuery();
+		while ($row = $req->fetch()) {
+			$secrets[$row['id']] = $row['secret'];
+		}
+		$req->closeCursor();
+		$qb = $qb->resetQueryParts();
+
+		foreach ($secrets as $id => $secret) {
+			$encryptedSecret = $this->crypto->encrypt($secret);
+			$qb->update('oauth2_clients')
+				->set('secret', $qb->createNamedParameter($encryptedSecret, IQueryBuilder::PARAM_STR))
+				->where(
+					$qb->expr()->eq('id', $qb->createNamedParameter($id, IQueryBuilder::PARAM_INT))
+				);
+			$qb->executeStatement();
+			$qb = $qb->resetQueryParts();
+		}
+	}
+}

apps/oauth2/lib/Settings/Admin.php

@@ -29,35 +29,32 @@
 use OCA\OAuth2\Db\ClientMapper;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\AppFramework\Services\IInitialState;
+use OCP\Security\ICrypto;
 use OCP\Settings\ISettings;
 use OCP\IURLGenerator;
 
 class Admin implements ISettings {
-	private IInitialState $initialState;
-	private ClientMapper $clientMapper;
-	private IURLGenerator $urlGenerator;
 
 	public function __construct(
-		IInitialState $initialState,
-		ClientMapper $clientMapper,
-		IURLGenerator $urlGenerator
+		private IInitialState $initialState,
+		private ClientMapper $clientMapper,
+		private IURLGenerator $urlGenerator,
+		private ICrypto $crypto
 	) {
-		$this->initialState = $initialState;
-		$this->clientMapper = $clientMapper;
-		$this->urlGenerator = $urlGenerator;
 	}
 
 	public function getForm(): TemplateResponse {
 		$clients = $this->clientMapper->getClients();
 		$result = [];
 
 		foreach ($clients as $client) {
+			$secret = $this->crypto->decrypt($client->getSecret());
 			$result[] = [
 				'id' => $client->getId(),
 				'name' => $client->getName(),
 				'redirectUri' => $client->getRedirectUri(),
 				'clientId' => $client->getClientIdentifier(),
-				'clientSecret' => $client->getSecret(),
+				'clientSecret' => $secret,
 			];
 		}
 		$this->initialState->provideInitialState('clients', $result);

apps/oauth2/tests/Controller/SettingsControllerTest.php

@@ -38,6 +38,7 @@
 use OCP\IRequest;
 use OCP\IUser;
 use OCP\IUserManager;
+use OCP\Security\ICrypto;
 use OCP\Security\ISecureRandom;
 use Test\TestCase;
 
@@ -61,6 +62,8 @@ class SettingsControllerTest extends TestCase {
 	private $settingsController;
 	/** @var IL10N|\PHPUnit\Framework\MockObject\MockObject */
 	private $l;
+	/** @var ICrypto|\PHPUnit\Framework\MockObject\MockObject */
+	private $crypto;
 
 	protected function setUp(): void {
 		parent::setUp();
@@ -71,6 +74,7 @@ protected function setUp(): void {
 		$this->accessTokenMapper = $this->createMock(AccessTokenMapper::class);
 		$this->authTokenProvider = $this->createMock(IAuthTokenProvider::class);
 		$this->userManager = $this->createMock(IUserManager::class);
+		$this->crypto = $this->createMock(ICrypto::class);
 		$this->l = $this->createMock(IL10N::class);
 		$this->l->method('t')
 			->willReturnArgument(0);
@@ -82,7 +86,8 @@ protected function setUp(): void {
 			$this->accessTokenMapper,
 			$this->l,
 			$this->authTokenProvider,
-			$this->userManager
+			$this->userManager,
+			$this->crypto
 		);
 
 	}
@@ -175,7 +180,8 @@ public function testDeleteClient() {
 			$this->accessTokenMapper,
 			$this->l,
 			$tokenProviderMock,
-			$userManager
+			$userManager,
+			$this->crypto
 		);
 
 		$result = $settingsController->deleteClient(123);

lib/composer/composer/LICENSE

@@ -1,4 +1,3 @@
-
 Copyright (c) Nils Adermann, Jordi Boggiano
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -18,4 +17,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
-