LostController.php 11 KB

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  1. <?php
  2. /**
  3. * @copyright Copyright (c) 2016, ownCloud, Inc.
  4. *
  5. * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
  6. * @author Bernhard Posselt <dev@bernhard-posselt.com>
  7. * @author Bjoern Schiessle <bjoern@schiessle.org>
  8. * @author Christoph Wurst <christoph@winzerhof-wurst.at>
  9. * @author Daniel Kesselberg <mail@danielkesselberg.de>
  10. * @author Joas Schilling <coding@schilljs.com>
  11. * @author Julius Haertl <jus@bitgrid.net>
  12. * @author Julius Härtl <jus@bitgrid.net>
  13. * @author Lukas Reschke <lukas@statuscode.ch>
  14. * @author Morris Jobke <hey@morrisjobke.de>
  15. * @author Rémy Jacquin <remy@remyj.fr>
  16. * @author Robin Appelman <robin@icewind.nl>
  17. * @author Roeland Jago Douma <roeland@famdouma.nl>
  18. * @author Thomas Müller <thomas.mueller@tmit.eu>
  19. * @author Victor Dubiniuk <dubiniuk@owncloud.com>
  20. *
  21. * @license AGPL-3.0
  22. *
  23. * This code is free software: you can redistribute it and/or modify
  24. * it under the terms of the GNU Affero General Public License, version 3,
  25. * as published by the Free Software Foundation.
  26. *
  27. * This program is distributed in the hope that it will be useful,
  28. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  29. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  30. * GNU Affero General Public License for more details.
  31. *
  32. * You should have received a copy of the GNU Affero General Public License, version 3,
  33. * along with this program. If not, see <http://www.gnu.org/licenses/>
  34. *
  35. */
  36. namespace OC\Core\Controller;
  37. use Exception;
  38. use OCP\AppFramework\Controller;
  39. use OCP\AppFramework\Http\JSONResponse;
  40. use OCP\AppFramework\Http\TemplateResponse;
  41. use OCP\AppFramework\Services\IInitialState;
  42. use OCP\Defaults;
  43. use OCP\Encryption\IEncryptionModule;
  44. use OCP\Encryption\IManager;
  45. use OCP\EventDispatcher\IEventDispatcher;
  46. use OCP\HintException;
  47. use OCP\IConfig;
  48. use OCP\IL10N;
  49. use OCP\IRequest;
  50. use OCP\IURLGenerator;
  51. use OCP\IUser;
  52. use OCP\IUserManager;
  53. use OCP\Mail\IMailer;
  54. use OCP\Security\VerificationToken\IVerificationToken;
  55. use OCP\Security\VerificationToken\InvalidTokenException;
  56. use OC\Authentication\TwoFactorAuth\Manager;
  57. use OC\Core\Events\BeforePasswordResetEvent;
  58. use OC\Core\Events\PasswordResetEvent;
  59. use OC\Core\Exception\ResetPasswordException;
  60. use OC\Security\RateLimiting\Exception\RateLimitExceededException;
  61. use OC\Security\RateLimiting\Limiter;
  62. use Psr\Log\LoggerInterface;
  63. use function array_filter;
  64. use function count;
  65. use function reset;
  66. /**
  67. * Class LostController
  68. *
  69. * Successfully changing a password will emit the post_passwordReset hook.
  70. *
  71. * @package OC\Core\Controller
  72. */
  73. class LostController extends Controller {
  74. protected IURLGenerator $urlGenerator;
  75. protected IUserManager $userManager;
  76. protected Defaults $defaults;
  77. protected IL10N $l10n;
  78. protected string $from;
  79. protected IManager $encryptionManager;
  80. protected IConfig $config;
  81. protected IMailer $mailer;
  82. private LoggerInterface $logger;
  83. private Manager $twoFactorManager;
  84. private IInitialState $initialState;
  85. private IVerificationToken $verificationToken;
  86. private IEventDispatcher $eventDispatcher;
  87. private Limiter $limiter;
  88. public function __construct(
  89. string $appName,
  90. IRequest $request,
  91. IURLGenerator $urlGenerator,
  92. IUserManager $userManager,
  93. Defaults $defaults,
  94. IL10N $l10n,
  95. IConfig $config,
  96. string $defaultMailAddress,
  97. IManager $encryptionManager,
  98. IMailer $mailer,
  99. LoggerInterface $logger,
  100. Manager $twoFactorManager,
  101. IInitialState $initialState,
  102. IVerificationToken $verificationToken,
  103. IEventDispatcher $eventDispatcher,
  104. Limiter $limiter
  105. ) {
  106. parent::__construct($appName, $request);
  107. $this->urlGenerator = $urlGenerator;
  108. $this->userManager = $userManager;
  109. $this->defaults = $defaults;
  110. $this->l10n = $l10n;
  111. $this->from = $defaultMailAddress;
  112. $this->encryptionManager = $encryptionManager;
  113. $this->config = $config;
  114. $this->mailer = $mailer;
  115. $this->logger = $logger;
  116. $this->twoFactorManager = $twoFactorManager;
  117. $this->initialState = $initialState;
  118. $this->verificationToken = $verificationToken;
  119. $this->eventDispatcher = $eventDispatcher;
  120. $this->limiter = $limiter;
  121. }
  122. /**
  123. * Someone wants to reset their password:
  124. *
  125. * @PublicPage
  126. * @NoCSRFRequired
  127. */
  128. public function resetform(string $token, string $userId): TemplateResponse {
  129. try {
  130. $this->checkPasswordResetToken($token, $userId);
  131. } catch (Exception $e) {
  132. if ($this->config->getSystemValue('lost_password_link', '') !== 'disabled'
  133. || ($e instanceof InvalidTokenException
  134. && !in_array($e->getCode(), [InvalidTokenException::TOKEN_NOT_FOUND, InvalidTokenException::USER_UNKNOWN]))
  135. ) {
  136. return new TemplateResponse(
  137. 'core', 'error', [
  138. "errors" => [["error" => $e->getMessage()]]
  139. ],
  140. TemplateResponse::RENDER_AS_GUEST
  141. );
  142. }
  143. return new TemplateResponse('core', 'error', [
  144. 'errors' => [['error' => $this->l10n->t('Password reset is disabled')]]
  145. ],
  146. TemplateResponse::RENDER_AS_GUEST
  147. );
  148. }
  149. $this->initialState->provideInitialState('resetPasswordUser', $userId);
  150. $this->initialState->provideInitialState('resetPasswordTarget',
  151. $this->urlGenerator->linkToRouteAbsolute('core.lost.setPassword', ['userId' => $userId, 'token' => $token])
  152. );
  153. return new TemplateResponse(
  154. 'core',
  155. 'login',
  156. [],
  157. 'guest'
  158. );
  159. }
  160. /**
  161. * @throws Exception
  162. */
  163. protected function checkPasswordResetToken(string $token, string $userId): void {
  164. try {
  165. $user = $this->userManager->get($userId);
  166. $this->verificationToken->check($token, $user, 'lostpassword', $user ? $user->getEMailAddress() : '', true);
  167. } catch (InvalidTokenException $e) {
  168. $error = $e->getCode() === InvalidTokenException::TOKEN_EXPIRED
  169. ? $this->l10n->t('Could not reset password because the token is expired')
  170. : $this->l10n->t('Could not reset password because the token is invalid');
  171. throw new Exception($error, (int)$e->getCode(), $e);
  172. }
  173. }
  174. private function error(string $message, array $additional = []): array {
  175. return array_merge(['status' => 'error', 'msg' => $message], $additional);
  176. }
  177. private function success(array $data = []): array {
  178. return array_merge($data, ['status' => 'success']);
  179. }
  180. /**
  181. * @PublicPage
  182. * @BruteForceProtection(action=passwordResetEmail)
  183. * @AnonRateThrottle(limit=10, period=300)
  184. */
  185. public function email(string $user): JSONResponse {
  186. if ($this->config->getSystemValue('lost_password_link', '') !== '') {
  187. return new JSONResponse($this->error($this->l10n->t('Password reset is disabled')));
  188. }
  189. \OCP\Util::emitHook(
  190. '\OCA\Files_Sharing\API\Server2Server',
  191. 'preLoginNameUsedAsUserName',
  192. ['uid' => &$user]
  193. );
  194. // FIXME: use HTTP error codes
  195. try {
  196. $this->sendEmail($user);
  197. } catch (ResetPasswordException $e) {
  198. // Ignore the error since we do not want to leak this info
  199. $this->logger->warning('Could not send password reset email: ' . $e->getMessage());
  200. } catch (Exception $e) {
  201. $this->logger->error($e->getMessage(), ['exception' => $e]);
  202. }
  203. $response = new JSONResponse($this->success());
  204. $response->throttle();
  205. return $response;
  206. }
  207. /**
  208. * @PublicPage
  209. */
  210. public function setPassword(string $token, string $userId, string $password, bool $proceed): array {
  211. if ($this->encryptionManager->isEnabled() && !$proceed) {
  212. $encryptionModules = $this->encryptionManager->getEncryptionModules();
  213. foreach ($encryptionModules as $module) {
  214. /** @var IEncryptionModule $instance */
  215. $instance = call_user_func($module['callback']);
  216. // this way we can find out whether per-user keys are used or a system wide encryption key
  217. if ($instance->needDetailedAccessList()) {
  218. return $this->error('', ['encryption' => true]);
  219. }
  220. }
  221. }
  222. try {
  223. $this->checkPasswordResetToken($token, $userId);
  224. $user = $this->userManager->get($userId);
  225. $this->eventDispatcher->dispatchTyped(new BeforePasswordResetEvent($user, $password));
  226. \OC_Hook::emit('\OC\Core\LostPassword\Controller\LostController', 'pre_passwordReset', ['uid' => $userId, 'password' => $password]);
  227. if (!$user->setPassword($password)) {
  228. throw new Exception();
  229. }
  230. $this->eventDispatcher->dispatchTyped(new PasswordResetEvent($user, $password));
  231. \OC_Hook::emit('\OC\Core\LostPassword\Controller\LostController', 'post_passwordReset', ['uid' => $userId, 'password' => $password]);
  232. $this->twoFactorManager->clearTwoFactorPending($userId);
  233. $this->config->deleteUserValue($userId, 'core', 'lostpassword');
  234. @\OC::$server->getUserSession()->unsetMagicInCookie();
  235. } catch (HintException $e) {
  236. return $this->error($e->getHint());
  237. } catch (Exception $e) {
  238. return $this->error($e->getMessage());
  239. }
  240. return $this->success(['user' => $userId]);
  241. }
  242. /**
  243. * @throws ResetPasswordException
  244. * @throws \OCP\PreConditionNotMetException
  245. */
  246. protected function sendEmail(string $input): void {
  247. $user = $this->findUserByIdOrMail($input);
  248. $email = $user->getEMailAddress();
  249. if (empty($email)) {
  250. throw new ResetPasswordException('Could not send reset e-mail since there is no email for username ' . $input);
  251. }
  252. try {
  253. $this->limiter->registerUserRequest('lostpasswordemail', 5, 1800, $user);
  254. } catch (RateLimitExceededException $e) {
  255. throw new ResetPasswordException('Could not send reset e-mail, 5 of them were already sent in the last 30 minutes', 0, $e);
  256. }
  257. // Generate the token. It is stored encrypted in the database with the
  258. // secret being the users' email address appended with the system secret.
  259. // This makes the token automatically invalidate once the user changes
  260. // their email address.
  261. $token = $this->verificationToken->create($user, 'lostpassword', $email);
  262. $link = $this->urlGenerator->linkToRouteAbsolute('core.lost.resetform', ['userId' => $user->getUID(), 'token' => $token]);
  263. $emailTemplate = $this->mailer->createEMailTemplate('core.ResetPassword', [
  264. 'link' => $link,
  265. ]);
  266. $emailTemplate->setSubject($this->l10n->t('%s password reset', [$this->defaults->getName()]));
  267. $emailTemplate->addHeader();
  268. $emailTemplate->addHeading($this->l10n->t('Password reset'));
  269. $emailTemplate->addBodyText(
  270. htmlspecialchars($this->l10n->t('Click the following button to reset your password. If you have not requested the password reset, then ignore this email.')),
  271. $this->l10n->t('Click the following link to reset your password. If you have not requested the password reset, then ignore this email.')
  272. );
  273. $emailTemplate->addBodyButton(
  274. htmlspecialchars($this->l10n->t('Reset your password')),
  275. $link,
  276. false
  277. );
  278. $emailTemplate->addFooter();
  279. try {
  280. $message = $this->mailer->createMessage();
  281. $message->setTo([$email => $user->getDisplayName()]);
  282. $message->setFrom([$this->from => $this->defaults->getName()]);
  283. $message->useTemplate($emailTemplate);
  284. $this->mailer->send($message);
  285. } catch (Exception $e) {
  286. // Log the exception and continue
  287. $this->logger->error($e->getMessage(), ['app' => 'core', 'exception' => $e]);
  288. }
  289. }
  290. /**
  291. * @throws ResetPasswordException
  292. */
  293. protected function findUserByIdOrMail(string $input): IUser {
  294. $user = $this->userManager->get($input);
  295. if ($user instanceof IUser) {
  296. if (!$user->isEnabled()) {
  297. throw new ResetPasswordException('User ' . $user->getUID() . ' is disabled');
  298. }
  299. return $user;
  300. }
  301. $users = array_filter($this->userManager->getByEmail($input), function (IUser $user) {
  302. return $user->isEnabled();
  303. });
  304. if (count($users) === 1) {
  305. return reset($users);
  306. }
  307. throw new ResetPasswordException('Could not find user ' . $input);
  308. }
  309. }