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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Daniel Kesselberg <mail@danielkesselberg.de>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Kate Döen <kate.doeen@nextcloud.com>
*
* @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 OC\Core\Controller;
use OC\Authentication\Events\AppPasswordCreatedEvent;
use OC\Authentication\Exceptions\InvalidTokenException;
use OC\Authentication\Token\IProvider;
use OC\Authentication\Token\IToken;
use OCP\AppFramework\Http;
use OCP\AppFramework\Http\DataResponse;
use OCP\AppFramework\OCS\OCSForbiddenException;
use OCP\Authentication\Exceptions\CredentialsUnavailableException;
use OCP\Authentication\Exceptions\PasswordUnavailableException;
use OCP\Authentication\LoginCredentials\IStore;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\IRequest;
use OCP\ISession;
use OCP\Security\ISecureRandom;
class AppPasswordController extends \OCP\AppFramework\OCSController {
public function __construct(
string $appName,
IRequest $request,
private ISession $session,
private ISecureRandom $random,
private IProvider $tokenProvider,
private IStore $credentialStore,
private IEventDispatcher $eventDispatcher,
) {
parent::__construct($appName, $request);
}
/**
* @NoAdminRequired
* @PasswordConfirmationRequired
*
* Create app password
*
* @return DataResponse<Http::STATUS_OK, array{apppassword: string}, array{}>
* @throws OCSForbiddenException Creating app password is not allowed
*
* 200: App password returned
*/
public function getAppPassword(): DataResponse {
// We do not allow the creation of new tokens if this is an app password
if ($this->session->exists('app_password')) {
throw new OCSForbiddenException('You cannot request an new apppassword with an apppassword');
}
try {
$credentials = $this->credentialStore->getLoginCredentials();
} catch (CredentialsUnavailableException $e) {
throw new OCSForbiddenException();
}
try {
$password = $credentials->getPassword();
} catch (PasswordUnavailableException $e) {
$password = null;
}
$userAgent = $this->request->getHeader('USER_AGENT');
$token = $this->random->generate(72, ISecureRandom::CHAR_UPPER.ISecureRandom::CHAR_LOWER.ISecureRandom::CHAR_DIGITS);
$generatedToken = $this->tokenProvider->generateToken(
$token,
$credentials->getUID(),
$credentials->getLoginName(),
$password,
$userAgent,
IToken::PERMANENT_TOKEN,
IToken::DO_NOT_REMEMBER
);
$this->eventDispatcher->dispatchTyped(
new AppPasswordCreatedEvent($generatedToken)
);
return new DataResponse([
'apppassword' => $token
]);
}
/**
* @NoAdminRequired
*
* Delete app password
*
* @return DataResponse<Http::STATUS_OK, array<empty>, array{}>
* @throws OCSForbiddenException Deleting app password is not allowed
*
* 200: App password deleted successfully
*/
public function deleteAppPassword(): DataResponse {
if (!$this->session->exists('app_password')) {
throw new OCSForbiddenException('no app password in use');
}
$appPassword = $this->session->get('app_password');
try {
$token = $this->tokenProvider->getToken($appPassword);
} catch (InvalidTokenException $e) {
throw new OCSForbiddenException('could not remove apptoken');
}
$this->tokenProvider->invalidateTokenById($token->getUID(), $token->getId());
return new DataResponse();
}
/**
* @NoAdminRequired
*
* Rotate app password
*
* @return DataResponse<Http::STATUS_OK, array{apppassword: string}, array{}>
* @throws OCSForbiddenException Rotating app password is not allowed
*
* 200: App password returned
*/
public function rotateAppPassword(): DataResponse {
if (!$this->session->exists('app_password')) {
throw new OCSForbiddenException('no app password in use');
}
$appPassword = $this->session->get('app_password');
try {
$token = $this->tokenProvider->getToken($appPassword);
} catch (InvalidTokenException $e) {
throw new OCSForbiddenException('could not rotate apptoken');
}
$newToken = $this->random->generate(72, ISecureRandom::CHAR_UPPER.ISecureRandom::CHAR_LOWER.ISecureRandom::CHAR_DIGITS);
$this->tokenProvider->rotate($token, $appPassword, $newToken);
return new DataResponse([
'apppassword' => $newToken,
]);
}
}
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