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make oauth2 authorization code expire after 10 minutes

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Signed-off-by: Julien Veyssier <julien-nc@posteo.net>
pull/40766/head
Julien Veyssier 12 months ago
parent f3f2d9b978
commit 807f173dec
No known key found for this signature in database
GPG Key ID: 4141FEE162030638
8 changed files with 104 additions and 8 deletions
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1
apps/oauth2/composer/composer/autoload_classmap.php
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@ -21,5 +21,6 @@ return array(
'OCA\\OAuth2\\Migration\\Version010402Date20190107124745' => $baseDir . '/../lib/Migration/Version010402Date20190107124745.php',
'OCA\\OAuth2\\Migration\\Version011601Date20230522143227' => $baseDir . '/../lib/Migration/Version011601Date20230522143227.php',
'OCA\\OAuth2\\Migration\\Version011602Date20230613160650' => $baseDir . '/../lib/Migration/Version011602Date20230613160650.php',
'OCA\\OAuth2\\Migration\\Version011603Date20230620111039' => $baseDir . '/../lib/Migration/Version011603Date20230620111039.php',
'OCA\\OAuth2\\Settings\\Admin' => $baseDir . '/../lib/Settings/Admin.php',
);

1
apps/oauth2/composer/composer/autoload_static.php
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@ -36,6 +36,7 @@ class ComposerStaticInitOAuth2
'OCA\\OAuth2\\Migration\\Version010402Date20190107124745' => __DIR__ . '/..' . '/../lib/Migration/Version010402Date20190107124745.php',
'OCA\\OAuth2\\Migration\\Version011601Date20230522143227' => __DIR__ . '/..' . '/../lib/Migration/Version011601Date20230522143227.php',
'OCA\\OAuth2\\Migration\\Version011602Date20230613160650' => __DIR__ . '/..' . '/../lib/Migration/Version011602Date20230613160650.php',
'OCA\\OAuth2\\Migration\\Version011603Date20230620111039' => __DIR__ . '/..' . '/../lib/Migration/Version011603Date20230620111039.php',
'OCA\\OAuth2\\Settings\\Admin' => __DIR__ . '/..' . '/../lib/Settings/Admin.php',
);

34
apps/oauth2/lib/Controller/OauthApiController.php
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@ -39,6 +39,7 @@ use OCP\AppFramework\Controller;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\JSONResponse;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\DB\Exception;
use OCP\IRequest;
use OCP\Security\Bruteforce\IThrottler;
use OCP\Security\ICrypto;
@ -46,6 +47,8 @@ use OCP\Security\ISecureRandom;
use Psr\Log\LoggerInterface;
class OauthApiController extends Controller {
// the authorization code expires after 10 minutes
private const AUTHORIZATION_CODE_EXPIRES_AFTER = 10 * 60;
public function __construct(
string $appName,
@ -57,7 +60,8 @@ class OauthApiController extends Controller {
private ISecureRandom $secureRandom,
private ITimeFactory $time,
private LoggerInterface $logger,
private IThrottler $throttler
private IThrottler $throttler,
private ITimeFactory $timeFactory,
) {
parent::__construct($appName, $request);
}
@ -70,16 +74,20 @@ class OauthApiController extends Controller {
* Get a token
*
* @param string $grant_type Token type that should be granted
* @param string $code Code of the flow
* @param string $refresh_token Refresh token
* @param string $client_id Client ID
* @param string $client_secret Client secret
* @param string|null $code Code of the flow
* @param string|null $refresh_token Refresh token
* @param string|null $client_id Client ID
* @param string|null $client_secret Client secret
* @throws Exception
* @return JSONResponse<Http::STATUS_OK, array{access_token: string, token_type: string, expires_in: int, refresh_token: string, user_id: string}, array{}>|JSONResponse<Http::STATUS_BAD_REQUEST, array{error: string}, array{}>
*
* 200: Token returned
* 400: Getting token is not possible
*/
public function getToken($grant_type, $code, $refresh_token, $client_id, $client_secret): JSONResponse {
public function getToken(
string $grant_type, ?string $code, ?string $refresh_token,
?string $client_id, ?string $client_secret
): JSONResponse {
// We only handle two types
if ($grant_type !== 'authorization_code' && $grant_type !== 'refresh_token') {
@ -105,6 +113,20 @@ class OauthApiController extends Controller {
return $response;
}
// check authorization code expiration
if ($grant_type === 'authorization_code') {
$now = $this->timeFactory->now()->getTimestamp();
$tokenCreatedAt = $accessToken->getCreatedAt();
if ($tokenCreatedAt < $now - self::AUTHORIZATION_CODE_EXPIRES_AFTER) {
$response = new JSONResponse([
'error' => 'invalid_request',
], Http::STATUS_BAD_REQUEST);
$expiredSince = $now - self::AUTHORIZATION_CODE_EXPIRES_AFTER - $tokenCreatedAt;
$response->throttle(['invalid_request' => 'authorization_code_expired', 'expired_since' => $expiredSince]);
return $response;
}
}
try {
$client = $this->clientMapper->getByUid($accessToken->getClientId());
} catch (ClientNotFoundException $e) {

5
apps/oauth2/lib/Db/AccessToken.php
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@ -34,6 +34,8 @@ use OCP\AppFramework\Db\Entity;
* @method void setEncryptedToken(string $token)
* @method string getHashedCode()
* @method void setHashedCode(string $token)
* @method int getCreatedAt()
* @method void setCreatedAt(int $createdAt)
*/
class AccessToken extends Entity {
/** @var int */
@ -44,6 +46,8 @@ class AccessToken extends Entity {
protected $hashedCode;
/** @var string */
protected $encryptedToken;
/** @var int */
protected $createdAt;
public function __construct() {
$this->addType('id', 'int');
@ -51,5 +55,6 @@ class AccessToken extends Entity {
$this->addType('clientId', 'int');
$this->addType('hashedCode', 'string');
$this->addType('encryptedToken', 'string');
$this->addType('created_at', 'int');
}
}

57
apps/oauth2/lib/Migration/Version011603Date20230620111039.php
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@ -0,0 +1,57 @@
<?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\Types;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;
class Version011603Date20230620111039 extends SimpleMigrationStep {
public function __construct(
) {
}
public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
/** @var ISchemaWrapper $schema */
$schema = $schemaClosure();
if ($schema->hasTable('oauth2_access_tokens')) {
$table = $schema->getTable('oauth2_access_tokens');
if (!$table->hasColumn('created_at')) {
$table->addColumn('created_at', Types::BIGINT, [
'notnull' => true,
'default' => 0,
]);
return $schema;
}
}
return null;
}
}

6
apps/oauth2/tests/Controller/OauthApiControllerTest.php
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@ -70,6 +70,8 @@ class OauthApiControllerTest extends TestCase {
private $throttler;
/** @var LoggerInterface|\PHPUnit\Framework\MockObject\MockObject */
private $logger;
/** @var ITimeFactory|\PHPUnit\Framework\MockObject\MockObject */
private $timeFactory;
/** @var OauthApiController */
private $oauthApiController;
@ -85,6 +87,7 @@ class OauthApiControllerTest extends TestCase {
$this->time = $this->createMock(ITimeFactory::class);
$this->throttler = $this->createMock(IThrottler::class);
$this->logger = $this->createMock(LoggerInterface::class);
$this->timeFactory = $this->createMock(ITimeFactory::class);
$this->oauthApiController = new OauthApiController(
'oauth2',
@ -96,7 +99,8 @@ class OauthApiControllerTest extends TestCase {
$this->secureRandom,
$this->time,
$this->logger,
$this->throttler
$this->throttler,
$this->timeFactory
);
}

3
core/Controller/ClientFlowLoginController.php
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@ -46,6 +46,7 @@ use OCP\AppFramework\Http\Attribute\IgnoreOpenAPI;
use OCP\AppFramework\Http\Attribute\UseSession;
use OCP\AppFramework\Http\Response;
use OCP\AppFramework\Http\StandaloneTemplateResponse;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Defaults;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\IL10N;
@ -76,6 +77,7 @@ class ClientFlowLoginController extends Controller {
private AccessTokenMapper $accessTokenMapper,
private ICrypto $crypto,
private IEventDispatcher $eventDispatcher,
private ITimeFactory $timeFactory,
) {
parent::__construct($appName, $request);
}
@ -287,6 +289,7 @@ class ClientFlowLoginController extends Controller {
$accessToken->setEncryptedToken($this->crypto->encrypt($token, $code));
$accessToken->setHashedCode(hash('sha512', $code));
$accessToken->setTokenId($generatedToken->getId());
$accessToken->setCreatedAt($this->timeFactory->now()->getTimestamp());
$this->accessTokenMapper->insert($accessToken);
$redirectUri = $client->getRedirectUri();

5
tests/Core/Controller/ClientFlowLoginControllerTest.php
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@ -31,6 +31,7 @@ use OCA\OAuth2\Db\Client;
use OCA\OAuth2\Db\ClientMapper;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\StandaloneTemplateResponse;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\Defaults;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\IL10N;
@ -95,6 +96,7 @@ class ClientFlowLoginControllerTest extends TestCase {
$this->accessTokenMapper = $this->createMock(AccessTokenMapper::class);
$this->crypto = $this->createMock(ICrypto::class);
$this->eventDispatcher = $this->createMock(IEventDispatcher::class);
$this->timeFactory = $this->createMock(ITimeFactory::class);
$this->clientFlowLoginController = new ClientFlowLoginController(
'core',
@ -109,7 +111,8 @@ class ClientFlowLoginControllerTest extends TestCase {
$this->clientMapper,
$this->accessTokenMapper,
$this->crypto,
$this->eventDispatcher
$this->eventDispatcher,
$this->timeFactory
);
}

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