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<?php
declare(strict_types=1);
/**
* 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\TemplateResponse;
use OCP\IAppConfig;
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 {
/**
* @param string $appName
* @param IRequest $request
* @param IURLGenerator $urlGenerator
* @param ClientMapper $clientMapper
* @param ISession $session
* @param 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 $appConfig,
) {
parent::__construct($appName, $request);
}
/**
* Authorize the user
*
* @param string $client_id Client ID
* @param string $state State of the flow
* @param string $response_type Response type for the flow
* @return TemplateResponse<Http::STATUS_OK, array{}>|RedirectResponse<Http::STATUS_SEE_OTHER, array{}>
*
* 200: Client not found
* 303: Redirect to login URL
*/
#[PublicPage]
#[NoCSRFRequired]
#[UseSession]
public function authorize($client_id,
$state,
$response_type): TemplateResponse|RedirectResponse {
try {
$client = $this->clientMapper->getByIdentifier($client_id);
} catch (ClientNotFoundException $e) {
$params = [
'content' => $this->l->t('Your client is not authorized to connect. Please inform the administrator of your client.'),
];
return new TemplateResponse('core', '404', $params, 'guest');
}
if ($response_type !== 'code') {
//Fail
$url = $client->getRedirectUri() . '?error=unsupported_response_type&state=' . $state;
return new RedirectResponse($url);
}
$this->session->set('oauth.state', $state);
if (in_array($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(),
]
);
} else {
$targetUrl = $this->urlGenerator->linkToRouteAbsolute(
'core.ClientFlowLogin.showAuthPickerPage',
[
'clientIdentifier' => $client->getClientIdentifier(),
]
);
}
return new RedirectResponse($targetUrl);
}
}
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