diff options
Diffstat (limited to 'apps/oauth2/lib/Controller')
-rw-r--r-- | apps/oauth2/lib/Controller/LoginRedirectorController.php | 125 | ||||
-rw-r--r-- | apps/oauth2/lib/Controller/OauthApiController.php | 174 | ||||
-rw-r--r-- | apps/oauth2/lib/Controller/SettingsController.php | 71 |
3 files changed, 199 insertions, 171 deletions
diff --git a/apps/oauth2/lib/Controller/LoginRedirectorController.php b/apps/oauth2/lib/Controller/LoginRedirectorController.php index 57f18a97f85..7241b35cdcf 100644 --- a/apps/oauth2/lib/Controller/LoginRedirectorController.php +++ b/apps/oauth2/lib/Controller/LoginRedirectorController.php @@ -3,51 +3,32 @@ declare(strict_types=1); /** - * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch> - * - * @author Daniel Kesselberg <mail@danielkesselberg.de> - * @author Lukas Reschke <lukas@statuscode.ch> - * @author Roeland Jago Douma <roeland@famdouma.nl> - * - * @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/>. - * + * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors + * SPDX-License-Identifier: AGPL-3.0-or-later */ namespace OCA\OAuth2\Controller; +use OC\Core\Controller\ClientFlowLoginController; use OCA\OAuth2\Db\ClientMapper; use OCA\OAuth2\Exceptions\ClientNotFoundException; use OCP\AppFramework\Controller; +use OCP\AppFramework\Http; +use OCP\AppFramework\Http\Attribute\NoCSRFRequired; +use OCP\AppFramework\Http\Attribute\OpenAPI; +use OCP\AppFramework\Http\Attribute\PublicPage; +use OCP\AppFramework\Http\Attribute\UseSession; use OCP\AppFramework\Http\RedirectResponse; -use OCP\AppFramework\Http\Response; use OCP\AppFramework\Http\TemplateResponse; +use OCP\IAppConfig; +use OCP\IConfig; use OCP\IL10N; use OCP\IRequest; use OCP\ISession; use OCP\IURLGenerator; +use OCP\Security\ISecureRandom; +#[OpenAPI(scope: OpenAPI::SCOPE_DEFAULT)] class LoginRedirectorController extends Controller { - /** @var IURLGenerator */ - private $urlGenerator; - /** @var ClientMapper */ - private $clientMapper; - /** @var ISession */ - private $session; - /** @var IL10N */ - private $l; - /** * @param string $appName * @param IRequest $request @@ -56,32 +37,39 @@ class LoginRedirectorController extends Controller { * @param ISession $session * @param IL10N $l */ - public function __construct(string $appName, - IRequest $request, - IURLGenerator $urlGenerator, - ClientMapper $clientMapper, - ISession $session, - IL10N $l) { + public function __construct( + string $appName, + IRequest $request, + private IURLGenerator $urlGenerator, + private ClientMapper $clientMapper, + private ISession $session, + private IL10N $l, + private ISecureRandom $random, + private IAppConfig $appConfig, + private IConfig $config, + ) { parent::__construct($appName, $request); - $this->urlGenerator = $urlGenerator; - $this->clientMapper = $clientMapper; - $this->session = $session; - $this->l = $l; } /** - * @PublicPage - * @NoCSRFRequired - * @UseSession + * Authorize the user + * + * @param string $client_id Client ID + * @param string $state State of the flow + * @param string $response_type Response type for the flow + * @param string $redirect_uri URI to redirect to after the flow (is only used for legacy ownCloud clients) + * @return TemplateResponse<Http::STATUS_OK, array{}>|RedirectResponse<Http::STATUS_SEE_OTHER, array{}> * - * @param string $client_id - * @param string $state - * @param string $response_type - * @return Response + * 200: Client not found + * 303: Redirect to login URL */ + #[PublicPage] + #[NoCSRFRequired] + #[UseSession] public function authorize($client_id, - $state, - $response_type): Response { + $state, + $response_type, + string $redirect_uri = ''): TemplateResponse|RedirectResponse { try { $client = $this->clientMapper->getByIdentifier($client_id); } catch (ClientNotFoundException $e) { @@ -97,14 +85,39 @@ class LoginRedirectorController extends Controller { return new RedirectResponse($url); } + $enableOcClients = $this->config->getSystemValueBool('oauth2.enable_oc_clients', false); + + $providedRedirectUri = ''; + if ($enableOcClients && $client->getRedirectUri() === 'http://localhost:*') { + $providedRedirectUri = $redirect_uri; + } + $this->session->set('oauth.state', $state); - $targetUrl = $this->urlGenerator->linkToRouteAbsolute( - 'core.ClientFlowLogin.showAuthPickerPage', - [ - 'clientIdentifier' => $client->getClientIdentifier(), - ] - ); + if (in_array($client->getName(), $this->appConfig->getValueArray('oauth2', 'skipAuthPickerApplications', []))) { + /** @see ClientFlowLoginController::showAuthPickerPage **/ + $stateToken = $this->random->generate( + 64, + ISecureRandom::CHAR_LOWER . ISecureRandom::CHAR_UPPER . ISecureRandom::CHAR_DIGITS + ); + $this->session->set(ClientFlowLoginController::STATE_NAME, $stateToken); + $targetUrl = $this->urlGenerator->linkToRouteAbsolute( + 'core.ClientFlowLogin.grantPage', + [ + 'stateToken' => $stateToken, + 'clientIdentifier' => $client->getClientIdentifier(), + 'providedRedirectUri' => $providedRedirectUri, + ] + ); + } else { + $targetUrl = $this->urlGenerator->linkToRouteAbsolute( + 'core.ClientFlowLogin.showAuthPickerPage', + [ + 'clientIdentifier' => $client->getClientIdentifier(), + 'providedRedirectUri' => $providedRedirectUri, + ] + ); + } return new RedirectResponse($targetUrl); } } diff --git a/apps/oauth2/lib/Controller/OauthApiController.php b/apps/oauth2/lib/Controller/OauthApiController.php index 910fdc99432..11f17fda4bf 100644 --- a/apps/oauth2/lib/Controller/OauthApiController.php +++ b/apps/oauth2/lib/Controller/OauthApiController.php @@ -3,99 +3,83 @@ declare(strict_types=1); /** - * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch> - * - * @author Christoph Wurst <christoph@winzerhof-wurst.at> - * @author Lukas Reschke <lukas@statuscode.ch> - * @author Roeland Jago Douma <roeland@famdouma.nl> - * - * @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/>. - * + * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors + * SPDX-License-Identifier: AGPL-3.0-or-later */ namespace OCA\OAuth2\Controller; -use OC\Authentication\Exceptions\ExpiredTokenException; -use OC\Authentication\Exceptions\InvalidTokenException; use OC\Authentication\Token\IProvider as TokenProvider; -use OC\Security\Bruteforce\Throttler; use OCA\OAuth2\Db\AccessTokenMapper; use OCA\OAuth2\Db\ClientMapper; use OCA\OAuth2\Exceptions\AccessTokenNotFoundException; use OCA\OAuth2\Exceptions\ClientNotFoundException; use OCP\AppFramework\Controller; use OCP\AppFramework\Http; +use OCP\AppFramework\Http\Attribute\BruteForceProtection; +use OCP\AppFramework\Http\Attribute\NoCSRFRequired; +use OCP\AppFramework\Http\Attribute\OpenAPI; +use OCP\AppFramework\Http\Attribute\PublicPage; use OCP\AppFramework\Http\JSONResponse; use OCP\AppFramework\Utility\ITimeFactory; +use OCP\Authentication\Exceptions\ExpiredTokenException; +use OCP\Authentication\Exceptions\InvalidTokenException; +use OCP\DB\Exception; use OCP\IRequest; +use OCP\Security\Bruteforce\IThrottler; use OCP\Security\ICrypto; use OCP\Security\ISecureRandom; +use Psr\Log\LoggerInterface; +#[OpenAPI(scope: OpenAPI::SCOPE_DEFAULT)] class OauthApiController extends Controller { - /** @var AccessTokenMapper */ - private $accessTokenMapper; - /** @var ClientMapper */ - private $clientMapper; - /** @var ICrypto */ - private $crypto; - /** @var TokenProvider */ - private $tokenProvider; - /** @var ISecureRandom */ - private $secureRandom; - /** @var ITimeFactory */ - private $time; - /** @var Throttler */ - private $throttler; - - public function __construct(string $appName, - IRequest $request, - ICrypto $crypto, - AccessTokenMapper $accessTokenMapper, - ClientMapper $clientMapper, - TokenProvider $tokenProvider, - ISecureRandom $secureRandom, - ITimeFactory $time, - Throttler $throttler) { + // the authorization code expires after 10 minutes + public const AUTHORIZATION_CODE_EXPIRES_AFTER = 10 * 60; + + public function __construct( + string $appName, + IRequest $request, + private ICrypto $crypto, + private AccessTokenMapper $accessTokenMapper, + private ClientMapper $clientMapper, + private TokenProvider $tokenProvider, + private ISecureRandom $secureRandom, + private ITimeFactory $time, + private LoggerInterface $logger, + private IThrottler $throttler, + private ITimeFactory $timeFactory, + ) { parent::__construct($appName, $request); - $this->crypto = $crypto; - $this->accessTokenMapper = $accessTokenMapper; - $this->clientMapper = $clientMapper; - $this->tokenProvider = $tokenProvider; - $this->secureRandom = $secureRandom; - $this->time = $time; - $this->throttler = $throttler; } /** - * @PublicPage - * @NoCSRFRequired + * Get a token * - * @param string $grant_type - * @param string $code - * @param string $refresh_token - * @param string $client_id - * @param string $client_secret - * @return JSONResponse + * @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 $client_secret Client secret + * @throws Exception + * @return JSONResponse<Http::STATUS_OK, array{access_token: string, token_type: string, expires_in: int, refresh_token: string, user_id: string}, array{}>|JSONResponse<Http::STATUS_BAD_REQUEST, array{error: string}, array{}> + * + * 200: Token returned + * 400: Getting token is not possible */ - public function getToken($grant_type, $code, $refresh_token, $client_id, $client_secret): JSONResponse { + #[PublicPage] + #[NoCSRFRequired] + #[BruteForceProtection(action: 'oauth2GetToken')] + 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') { - return new JSONResponse([ + $response = new JSONResponse([ 'error' => 'invalid_grant', ], Http::STATUS_BAD_REQUEST); + $response->throttle(['invalid_grant' => $grant_type]); + return $response; } // We handle the initial and refresh tokens the same way @@ -106,17 +90,48 @@ class OauthApiController extends Controller { try { $accessToken = $this->accessTokenMapper->getByCode($code); } catch (AccessTokenNotFoundException $e) { - return new JSONResponse([ + $response = new JSONResponse([ 'error' => 'invalid_request', ], Http::STATUS_BAD_REQUEST); + $response->throttle(['invalid_request' => 'token not found', 'code' => $code]); + return $response; + } + + if ($grant_type === 'authorization_code') { + // check this token is in authorization code state + $deliveredTokenCount = $accessToken->getTokenCount(); + if ($deliveredTokenCount > 0) { + $response = new JSONResponse([ + 'error' => 'invalid_request', + ], Http::STATUS_BAD_REQUEST); + $response->throttle(['invalid_request' => 'authorization_code_received_for_active_token']); + return $response; + } + + // check authorization code expiration + $now = $this->timeFactory->now()->getTimestamp(); + $codeCreatedAt = $accessToken->getCodeCreatedAt(); + if ($codeCreatedAt < $now - self::AUTHORIZATION_CODE_EXPIRES_AFTER) { + // we know this token is not useful anymore + $this->accessTokenMapper->delete($accessToken); + + $response = new JSONResponse([ + 'error' => 'invalid_request', + ], Http::STATUS_BAD_REQUEST); + $expiredSince = $now - self::AUTHORIZATION_CODE_EXPIRES_AFTER - $codeCreatedAt; + $response->throttle(['invalid_request' => 'authorization_code_expired', 'expired_since' => $expiredSince]); + return $response; + } } try { $client = $this->clientMapper->getByUid($accessToken->getClientId()); } catch (ClientNotFoundException $e) { - return new JSONResponse([ + $response = new JSONResponse([ 'error' => 'invalid_request', ], Http::STATUS_BAD_REQUEST); + $response->throttle(['invalid_request' => 'client not found', 'client_id' => $accessToken->getClientId()]); + return $response; } if (isset($this->request->server['PHP_AUTH_USER'])) { @@ -124,12 +139,24 @@ class OauthApiController extends Controller { $client_secret = $this->request->server['PHP_AUTH_PW']; } - // The client id and secret must match. Else we don't provide an access token! - if ($client->getClientIdentifier() !== $client_id || $client->getSecret() !== $client_secret) { + try { + $storedClientSecretHash = $client->getSecret(); + $clientSecretHash = bin2hex($this->crypto->calculateHMAC($client_secret)); + } catch (\Exception $e) { + $this->logger->error('OAuth client secret decryption error', ['exception' => $e]); + // we don't throttle here because it might not be a bruteforce attack return new JSONResponse([ 'error' => 'invalid_client', ], Http::STATUS_BAD_REQUEST); } + // The client id and secret must match. Else we don't provide an access token! + if ($client->getClientIdentifier() !== $client_id || $storedClientSecretHash !== $clientSecretHash) { + $response = new JSONResponse([ + 'error' => 'invalid_client', + ], Http::STATUS_BAD_REQUEST); + $response->throttle(['invalid_client' => 'client ID or secret does not match']); + return $response; + } $decryptedToken = $this->crypto->decrypt($accessToken->getEncryptedToken(), $code); @@ -141,9 +168,11 @@ class OauthApiController extends Controller { } catch (InvalidTokenException $e) { //We can't do anything... $this->accessTokenMapper->delete($accessToken); - return new JSONResponse([ + $response = new JSONResponse([ 'error' => 'invalid_request', ], Http::STATUS_BAD_REQUEST); + $response->throttle(['invalid_request' => 'token is invalid']); + return $response; } // Rotate the apptoken (so the old one becomes invalid basically) @@ -163,6 +192,11 @@ class OauthApiController extends Controller { $newCode = $this->secureRandom->generate(128, ISecureRandom::CHAR_ALPHANUMERIC); $accessToken->setHashedCode(hash('sha512', $newCode)); $accessToken->setEncryptedToken($this->crypto->encrypt($newToken, $newCode)); + // increase the number of delivered oauth token + // this helps with cleaning up DB access token when authorization code has expired + // and it never delivered any oauth token + $tokenCount = $accessToken->getTokenCount(); + $accessToken->setTokenCount($tokenCount + 1); $this->accessTokenMapper->update($accessToken); $this->throttler->resetDelay($this->request->getRemoteAddress(), 'login', ['user' => $appToken->getUID()]); diff --git a/apps/oauth2/lib/Controller/SettingsController.php b/apps/oauth2/lib/Controller/SettingsController.php index 046e6d77041..9bd02c8a2cd 100644 --- a/apps/oauth2/lib/Controller/SettingsController.php +++ b/apps/oauth2/lib/Controller/SettingsController.php @@ -3,30 +3,8 @@ declare(strict_types=1); /** - * @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch> - * - * @author Bjoern Schiessle <bjoern@schiessle.org> - * @author Christoph Wurst <christoph@winzerhof-wurst.at> - * @author Lukas Reschke <lukas@statuscode.ch> - * @author Patrik Kernstock <info@pkern.at> - * @author rakekniven <mark.ziegler@rakekniven.de> - * @author Roeland Jago Douma <roeland@famdouma.nl> - * - * @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/>. - * + * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors + * SPDX-License-Identifier: AGPL-3.0-or-later */ namespace OCA\OAuth2\Controller; @@ -36,38 +14,34 @@ use OCA\OAuth2\Db\ClientMapper; use OCP\AppFramework\Controller; use OCP\AppFramework\Http; use OCP\AppFramework\Http\JSONResponse; +use OCP\Authentication\Token\IProvider as IAuthTokenProvider; use OCP\IL10N; 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; public const validChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; - public function __construct(string $appName, - IRequest $request, - ClientMapper $clientMapper, - ISecureRandom $secureRandom, - AccessTokenMapper $accessTokenMapper, - IL10N $l + 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; } public function addClient(string $name, - string $redirectUri): JSONResponse { + string $redirectUri): JSONResponse { if (filter_var($redirectUri, FILTER_VALIDATE_URL) === false) { return new JSONResponse(['message' => $this->l->t('Your redirect URL needs to be a full URL for example: https://yourdomain.com/path')], Http::STATUS_BAD_REQUEST); } @@ -75,7 +49,9 @@ class SettingsController extends Controller { $client = new Client(); $client->setName($name); $client->setRedirectUri($redirectUri); - $client->setSecret($this->secureRandom->generate(64, self::validChars)); + $secret = $this->secureRandom->generate(64, self::validChars); + $hashedSecret = bin2hex($this->crypto->calculateHMAC($secret)); + $client->setSecret($hashedSecret); $client->setClientIdentifier($this->secureRandom->generate(64, self::validChars)); $client = $this->clientMapper->insert($client); @@ -84,7 +60,7 @@ class SettingsController extends Controller { 'name' => $client->getName(), 'redirectUri' => $client->getRedirectUri(), 'clientId' => $client->getClientIdentifier(), - 'clientSecret' => $client->getSecret(), + 'clientSecret' => $secret, ]; return new JSONResponse($result); @@ -92,6 +68,11 @@ class SettingsController extends Controller { public function deleteClient(int $id): JSONResponse { $client = $this->clientMapper->getByUid($id); + + $this->userManager->callForSeenUsers(function (IUser $user) use ($client): void { + $this->tokenProvider->invalidateTokensOfUser($user->getUID(), $client->getName()); + }); + $this->accessTokenMapper->deleteByClientId($id); $this->clientMapper->delete($client); return new JSONResponse([]); |