nextcloud / server

core/Controller/LostController.php

Indentation +284 added lines, -284 removed lines

@@ -73,288 +73,288 @@
  * @package OC\Core\Controller
  */
 class LostController extends Controller {
-	protected IURLGenerator $urlGenerator;
-	protected IUserManager $userManager;
-	protected Defaults $defaults;
-	protected IL10N $l10n;
-	protected string $from;
-	protected IManager $encryptionManager;
-	protected IConfig $config;
-	protected IMailer $mailer;
-	private LoggerInterface $logger;
-	private Manager $twoFactorManager;
-	private IInitialState $initialState;
-	private IVerificationToken $verificationToken;
-	private IEventDispatcher $eventDispatcher;
-	private Limiter $limiter;
-
-	public function __construct(
-		string $appName,
-		IRequest $request,
-		IURLGenerator $urlGenerator,
-		IUserManager $userManager,
-		Defaults $defaults,
-		IL10N $l10n,
-		IConfig $config,
-		string $defaultMailAddress,
-		IManager $encryptionManager,
-		IMailer $mailer,
-		LoggerInterface $logger,
-		Manager $twoFactorManager,
-		IInitialState $initialState,
-		IVerificationToken $verificationToken,
-		IEventDispatcher $eventDispatcher,
-		Limiter $limiter
-	) {
-		parent::__construct($appName, $request);
-		$this->urlGenerator = $urlGenerator;
-		$this->userManager = $userManager;
-		$this->defaults = $defaults;
-		$this->l10n = $l10n;
-		$this->from = $defaultMailAddress;
-		$this->encryptionManager = $encryptionManager;
-		$this->config = $config;
-		$this->mailer = $mailer;
-		$this->logger = $logger;
-		$this->twoFactorManager = $twoFactorManager;
-		$this->initialState = $initialState;
-		$this->verificationToken = $verificationToken;
-		$this->eventDispatcher = $eventDispatcher;
-		$this->limiter = $limiter;
-	}
-
-	/**
-	 * Someone wants to reset their password:
-	 *
-	 * @PublicPage
-	 * @NoCSRFRequired
-	 * @BruteForceProtection(action=passwordResetEmail)
-	 * @AnonRateThrottle(limit=10, period=300)
-	 */
-	public function resetform(string $token, string $userId): TemplateResponse {
-		try {
-			$this->checkPasswordResetToken($token, $userId);
-		} catch (Exception $e) {
-			if ($this->config->getSystemValue('lost_password_link', '') !== 'disabled'
-				|| ($e instanceof InvalidTokenException
-					&& !in_array($e->getCode(), [InvalidTokenException::TOKEN_NOT_FOUND, InvalidTokenException::USER_UNKNOWN]))
-			) {
-				$response = new TemplateResponse(
-					'core', 'error', [
-						"errors" => [["error" => $e->getMessage()]]
-					],
-					TemplateResponse::RENDER_AS_GUEST
-				);
-				$response->throttle();
-				return $response;
-			}
-			return new TemplateResponse('core', 'error', [
-				'errors' => [['error' => $this->l10n->t('Password reset is disabled')]]
-			],
-				TemplateResponse::RENDER_AS_GUEST
-			);
-		}
-		$this->initialState->provideInitialState('resetPasswordUser', $userId);
-		$this->initialState->provideInitialState('resetPasswordTarget',
-			$this->urlGenerator->linkToRouteAbsolute('core.lost.setPassword', ['userId' => $userId, 'token' => $token])
-		);
-
-		return new TemplateResponse(
-			'core',
-			'login',
-			[],
-			'guest'
-		);
-	}
-
-	/**
-	 * @throws Exception
-	 */
-	protected function checkPasswordResetToken(string $token, string $userId): void {
-		try {
-			$user = $this->userManager->get($userId);
-			$this->verificationToken->check($token, $user, 'lostpassword', $user ? $user->getEMailAddress() : '', true);
-		} catch (InvalidTokenException $e) {
-			$error = $e->getCode() === InvalidTokenException::TOKEN_EXPIRED
-				? $this->l10n->t('Could not reset password because the token is expired')
-				: $this->l10n->t('Could not reset password because the token is invalid');
-			throw new Exception($error, (int)$e->getCode(), $e);
-		}
-	}
-
-	private function error(string $message, array $additional = []): array {
-		return array_merge(['status' => 'error', 'msg' => $message], $additional);
-	}
-
-	private function success(array $data = []): array {
-		return array_merge($data, ['status' => 'success']);
-	}
-
-	/**
-	 * @PublicPage
-	 * @BruteForceProtection(action=passwordResetEmail)
-	 * @AnonRateThrottle(limit=10, period=300)
-	 */
-	public function email(string $user): JSONResponse {
-		if ($this->config->getSystemValue('lost_password_link', '') !== '') {
-			return new JSONResponse($this->error($this->l10n->t('Password reset is disabled')));
-		}
-
-		$user = trim($user);
-
-		\OCP\Util::emitHook(
-			'\OCA\Files_Sharing\API\Server2Server',
-			'preLoginNameUsedAsUserName',
-			['uid' => &$user]
-		);
-
-		// FIXME: use HTTP error codes
-		try {
-			$this->sendEmail($user);
-		} catch (ResetPasswordException $e) {
-			// Ignore the error since we do not want to leak this info
-			$this->logger->warning('Could not send password reset email: ' . $e->getMessage());
-		} catch (Exception $e) {
-			$this->logger->error($e->getMessage(), ['exception' => $e]);
-		}
-
-		$response = new JSONResponse($this->success());
-		$response->throttle();
-		return $response;
-	}
-
-	/**
-	 * @PublicPage
-	 * @BruteForceProtection(action=passwordResetEmail)
-	 * @AnonRateThrottle(limit=10, period=300)
-	 */
-	public function setPassword(string $token, string $userId, string $password, bool $proceed): JSONResponse {
-		if ($this->encryptionManager->isEnabled() && !$proceed) {
-			$encryptionModules = $this->encryptionManager->getEncryptionModules();
-			foreach ($encryptionModules as $module) {
-				/** @var IEncryptionModule $instance */
-				$instance = call_user_func($module['callback']);
-				// this way we can find out whether per-user keys are used or a system wide encryption key
-				if ($instance->needDetailedAccessList()) {
-					return new JSONResponse($this->error('', ['encryption' => true]));
-				}
-			}
-		}
-
-		try {
-			$this->checkPasswordResetToken($token, $userId);
-			$user = $this->userManager->get($userId);
-
-			$this->eventDispatcher->dispatchTyped(new BeforePasswordResetEvent($user, $password));
-			\OC_Hook::emit('\OC\Core\LostPassword\Controller\LostController', 'pre_passwordReset', ['uid' => $userId, 'password' => $password]);
-
-			if (strlen($password) > IUserManager::MAX_PASSWORD_LENGTH) {
-				throw new HintException('Password too long', $this->l10n->t('Password is too long. Maximum allowed length is 469 characters.'));
-			}
-
-			if (!$user->setPassword($password)) {
-				throw new Exception();
-			}
-
-			$this->eventDispatcher->dispatchTyped(new PasswordResetEvent($user, $password));
-			\OC_Hook::emit('\OC\Core\LostPassword\Controller\LostController', 'post_passwordReset', ['uid' => $userId, 'password' => $password]);
-
-			$this->twoFactorManager->clearTwoFactorPending($userId);
-
-			$this->config->deleteUserValue($userId, 'core', 'lostpassword');
-			@\OC::$server->getUserSession()->unsetMagicInCookie();
-		} catch (HintException $e) {
-			$response = new JSONResponse($this->error($e->getHint()));
-			$response->throttle();
-			return $response;
-		} catch (Exception $e) {
-			$response = new JSONResponse($this->error($e->getMessage()));
-			$response->throttle();
-			return $response;
-		}
-
-		return new JSONResponse($this->success(['user' => $userId]));
-	}
-
-	/**
-	 * @throws ResetPasswordException
-	 * @throws \OCP\PreConditionNotMetException
-	 */
-	protected function sendEmail(string $input): void {
-		$user = $this->findUserByIdOrMail($input);
-		$email = $user->getEMailAddress();
-
-		if (empty($email)) {
-			throw new ResetPasswordException('Could not send reset e-mail since there is no email for username ' . $input);
-		}
-
-		try {
-			$this->limiter->registerUserRequest('lostpasswordemail', 5, 1800, $user);
-		} catch (RateLimitExceededException $e) {
-			throw new ResetPasswordException('Could not send reset e-mail, 5 of them were already sent in the last 30 minutes', 0, $e);
-		}
-
-		// Generate the token. It is stored encrypted in the database with the
-		// secret being the users' email address appended with the system secret.
-		// This makes the token automatically invalidate once the user changes
-		// their email address.
-		$token = $this->verificationToken->create($user, 'lostpassword', $email);
-
-		$link = $this->urlGenerator->linkToRouteAbsolute('core.lost.resetform', ['userId' => $user->getUID(), 'token' => $token]);
-
-		$emailTemplate = $this->mailer->createEMailTemplate('core.ResetPassword', [
-			'link' => $link,
-		]);
-
-		$emailTemplate->setSubject($this->l10n->t('%s password reset', [$this->defaults->getName()]));
-		$emailTemplate->addHeader();
-		$emailTemplate->addHeading($this->l10n->t('Password reset'));
-
-		$emailTemplate->addBodyText(
-			htmlspecialchars($this->l10n->t('Click the following button to reset your password. If you have not requested the password reset, then ignore this email.')),
-			$this->l10n->t('Click the following link to reset your password. If you have not requested the password reset, then ignore this email.')
-		);
-
-		$emailTemplate->addBodyButton(
-			htmlspecialchars($this->l10n->t('Reset your password')),
-			$link,
-			false
-		);
-		$emailTemplate->addFooter();
-
-		try {
-			$message = $this->mailer->createMessage();
-			$message->setTo([$email => $user->getDisplayName()]);
-			$message->setFrom([$this->from => $this->defaults->getName()]);
-			$message->useTemplate($emailTemplate);
-			$this->mailer->send($message);
-		} catch (Exception $e) {
-			// Log the exception and continue
-			$this->logger->error($e->getMessage(), ['app' => 'core', 'exception' => $e]);
-		}
-	}
-
-	/**
-	 * @throws ResetPasswordException
-	 */
-	protected function findUserByIdOrMail(string $input): IUser {
-		$user = $this->userManager->get($input);
-		if ($user instanceof IUser) {
-			if (!$user->isEnabled()) {
-				throw new ResetPasswordException('User ' . $user->getUID() . ' is disabled');
-			}
-
-			return $user;
-		}
-
-		$users = array_filter($this->userManager->getByEmail($input), function (IUser $user) {
-			return $user->isEnabled();
-		});
-
-		if (count($users) === 1) {
-			return reset($users);
-		}
-
-		throw new ResetPasswordException('Could not find user ' . $input);
-	}
+    protected IURLGenerator $urlGenerator;
+    protected IUserManager $userManager;
+    protected Defaults $defaults;
+    protected IL10N $l10n;
+    protected string $from;
+    protected IManager $encryptionManager;
+    protected IConfig $config;
+    protected IMailer $mailer;
+    private LoggerInterface $logger;
+    private Manager $twoFactorManager;
+    private IInitialState $initialState;
+    private IVerificationToken $verificationToken;
+    private IEventDispatcher $eventDispatcher;
+    private Limiter $limiter;
+
+    public function __construct(
+        string $appName,
+        IRequest $request,
+        IURLGenerator $urlGenerator,
+        IUserManager $userManager,
+        Defaults $defaults,
+        IL10N $l10n,
+        IConfig $config,
+        string $defaultMailAddress,
+        IManager $encryptionManager,
+        IMailer $mailer,
+        LoggerInterface $logger,
+        Manager $twoFactorManager,
+        IInitialState $initialState,
+        IVerificationToken $verificationToken,
+        IEventDispatcher $eventDispatcher,
+        Limiter $limiter
+    ) {
+        parent::__construct($appName, $request);
+        $this->urlGenerator = $urlGenerator;
+        $this->userManager = $userManager;
+        $this->defaults = $defaults;
+        $this->l10n = $l10n;
+        $this->from = $defaultMailAddress;
+        $this->encryptionManager = $encryptionManager;
+        $this->config = $config;
+        $this->mailer = $mailer;
+        $this->logger = $logger;
+        $this->twoFactorManager = $twoFactorManager;
+        $this->initialState = $initialState;
+        $this->verificationToken = $verificationToken;
+        $this->eventDispatcher = $eventDispatcher;
+        $this->limiter = $limiter;
+    }
+
+    /**
+     * Someone wants to reset their password:
+     *
+     * @PublicPage
+     * @NoCSRFRequired
+     * @BruteForceProtection(action=passwordResetEmail)
+     * @AnonRateThrottle(limit=10, period=300)
+     */
+    public function resetform(string $token, string $userId): TemplateResponse {
+        try {
+            $this->checkPasswordResetToken($token, $userId);
+        } catch (Exception $e) {
+            if ($this->config->getSystemValue('lost_password_link', '') !== 'disabled'
+                || ($e instanceof InvalidTokenException
+                    && !in_array($e->getCode(), [InvalidTokenException::TOKEN_NOT_FOUND, InvalidTokenException::USER_UNKNOWN]))
+            ) {
+                $response = new TemplateResponse(
+                    'core', 'error', [
+                        "errors" => [["error" => $e->getMessage()]]
+                    ],
+                    TemplateResponse::RENDER_AS_GUEST
+                );
+                $response->throttle();
+                return $response;
+            }
+            return new TemplateResponse('core', 'error', [
+                'errors' => [['error' => $this->l10n->t('Password reset is disabled')]]
+            ],
+                TemplateResponse::RENDER_AS_GUEST
+            );
+        }
+        $this->initialState->provideInitialState('resetPasswordUser', $userId);
+        $this->initialState->provideInitialState('resetPasswordTarget',
+            $this->urlGenerator->linkToRouteAbsolute('core.lost.setPassword', ['userId' => $userId, 'token' => $token])
+        );
+
+        return new TemplateResponse(
+            'core',
+            'login',
+            [],
+            'guest'
+        );
+    }
+
+    /**
+     * @throws Exception
+     */
+    protected function checkPasswordResetToken(string $token, string $userId): void {
+        try {
+            $user = $this->userManager->get($userId);
+            $this->verificationToken->check($token, $user, 'lostpassword', $user ? $user->getEMailAddress() : '', true);
+        } catch (InvalidTokenException $e) {
+            $error = $e->getCode() === InvalidTokenException::TOKEN_EXPIRED
+                ? $this->l10n->t('Could not reset password because the token is expired')
+                : $this->l10n->t('Could not reset password because the token is invalid');
+            throw new Exception($error, (int)$e->getCode(), $e);
+        }
+    }
+
+    private function error(string $message, array $additional = []): array {
+        return array_merge(['status' => 'error', 'msg' => $message], $additional);
+    }
+
+    private function success(array $data = []): array {
+        return array_merge($data, ['status' => 'success']);
+    }
+
+    /**
+     * @PublicPage
+     * @BruteForceProtection(action=passwordResetEmail)
+     * @AnonRateThrottle(limit=10, period=300)
+     */
+    public function email(string $user): JSONResponse {
+        if ($this->config->getSystemValue('lost_password_link', '') !== '') {
+            return new JSONResponse($this->error($this->l10n->t('Password reset is disabled')));
+        }
+
+        $user = trim($user);
+
+        \OCP\Util::emitHook(
+            '\OCA\Files_Sharing\API\Server2Server',
+            'preLoginNameUsedAsUserName',
+            ['uid' => &$user]
+        );
+
+        // FIXME: use HTTP error codes
+        try {
+            $this->sendEmail($user);
+        } catch (ResetPasswordException $e) {
+            // Ignore the error since we do not want to leak this info
+            $this->logger->warning('Could not send password reset email: ' . $e->getMessage());
+        } catch (Exception $e) {
+            $this->logger->error($e->getMessage(), ['exception' => $e]);
+        }
+
+        $response = new JSONResponse($this->success());
+        $response->throttle();
+        return $response;
+    }
+
+    /**
+     * @PublicPage
+     * @BruteForceProtection(action=passwordResetEmail)
+     * @AnonRateThrottle(limit=10, period=300)
+     */
+    public function setPassword(string $token, string $userId, string $password, bool $proceed): JSONResponse {
+        if ($this->encryptionManager->isEnabled() && !$proceed) {
+            $encryptionModules = $this->encryptionManager->getEncryptionModules();
+            foreach ($encryptionModules as $module) {
+                /** @var IEncryptionModule $instance */
+                $instance = call_user_func($module['callback']);
+                // this way we can find out whether per-user keys are used or a system wide encryption key
+                if ($instance->needDetailedAccessList()) {
+                    return new JSONResponse($this->error('', ['encryption' => true]));
+                }
+            }
+        }
+
+        try {
+            $this->checkPasswordResetToken($token, $userId);
+            $user = $this->userManager->get($userId);
+
+            $this->eventDispatcher->dispatchTyped(new BeforePasswordResetEvent($user, $password));
+            \OC_Hook::emit('\OC\Core\LostPassword\Controller\LostController', 'pre_passwordReset', ['uid' => $userId, 'password' => $password]);
+
+            if (strlen($password) > IUserManager::MAX_PASSWORD_LENGTH) {
+                throw new HintException('Password too long', $this->l10n->t('Password is too long. Maximum allowed length is 469 characters.'));
+            }
+
+            if (!$user->setPassword($password)) {
+                throw new Exception();
+            }
+
+            $this->eventDispatcher->dispatchTyped(new PasswordResetEvent($user, $password));
+            \OC_Hook::emit('\OC\Core\LostPassword\Controller\LostController', 'post_passwordReset', ['uid' => $userId, 'password' => $password]);
+
+            $this->twoFactorManager->clearTwoFactorPending($userId);
+
+            $this->config->deleteUserValue($userId, 'core', 'lostpassword');
+            @\OC::$server->getUserSession()->unsetMagicInCookie();
+        } catch (HintException $e) {
+            $response = new JSONResponse($this->error($e->getHint()));
+            $response->throttle();
+            return $response;
+        } catch (Exception $e) {
+            $response = new JSONResponse($this->error($e->getMessage()));
+            $response->throttle();
+            return $response;
+        }
+
+        return new JSONResponse($this->success(['user' => $userId]));
+    }
+
+    /**
+     * @throws ResetPasswordException
+     * @throws \OCP\PreConditionNotMetException
+     */
+    protected function sendEmail(string $input): void {
+        $user = $this->findUserByIdOrMail($input);
+        $email = $user->getEMailAddress();
+
+        if (empty($email)) {
+            throw new ResetPasswordException('Could not send reset e-mail since there is no email for username ' . $input);
+        }
+
+        try {
+            $this->limiter->registerUserRequest('lostpasswordemail', 5, 1800, $user);
+        } catch (RateLimitExceededException $e) {
+            throw new ResetPasswordException('Could not send reset e-mail, 5 of them were already sent in the last 30 minutes', 0, $e);
+        }
+
+        // Generate the token. It is stored encrypted in the database with the
+        // secret being the users' email address appended with the system secret.
+        // This makes the token automatically invalidate once the user changes
+        // their email address.
+        $token = $this->verificationToken->create($user, 'lostpassword', $email);
+
+        $link = $this->urlGenerator->linkToRouteAbsolute('core.lost.resetform', ['userId' => $user->getUID(), 'token' => $token]);
+
+        $emailTemplate = $this->mailer->createEMailTemplate('core.ResetPassword', [
+            'link' => $link,
+        ]);
+
+        $emailTemplate->setSubject($this->l10n->t('%s password reset', [$this->defaults->getName()]));
+        $emailTemplate->addHeader();
+        $emailTemplate->addHeading($this->l10n->t('Password reset'));
+
+        $emailTemplate->addBodyText(
+            htmlspecialchars($this->l10n->t('Click the following button to reset your password. If you have not requested the password reset, then ignore this email.')),
+            $this->l10n->t('Click the following link to reset your password. If you have not requested the password reset, then ignore this email.')
+        );
+
+        $emailTemplate->addBodyButton(
+            htmlspecialchars($this->l10n->t('Reset your password')),
+            $link,
+            false
+        );
+        $emailTemplate->addFooter();
+
+        try {
+            $message = $this->mailer->createMessage();
+            $message->setTo([$email => $user->getDisplayName()]);
+            $message->setFrom([$this->from => $this->defaults->getName()]);
+            $message->useTemplate($emailTemplate);
+            $this->mailer->send($message);
+        } catch (Exception $e) {
+            // Log the exception and continue
+            $this->logger->error($e->getMessage(), ['app' => 'core', 'exception' => $e]);
+        }
+    }
+
+    /**
+     * @throws ResetPasswordException
+     */
+    protected function findUserByIdOrMail(string $input): IUser {
+        $user = $this->userManager->get($input);
+        if ($user instanceof IUser) {
+            if (!$user->isEnabled()) {
+                throw new ResetPasswordException('User ' . $user->getUID() . ' is disabled');
+            }
+
+            return $user;
+        }
+
+        $users = array_filter($this->userManager->getByEmail($input), function (IUser $user) {
+            return $user->isEnabled();
+        });
+
+        if (count($users) === 1) {
+            return reset($users);
+        }
+
+        throw new ResetPasswordException('Could not find user ' . $input);
+    }
 }