638 lines
21 KiB
PHP
638 lines
21 KiB
PHP
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<?php
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/**
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* @package Grav\Plugin\Admin
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*
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* @copyright Copyright (c) 2015 - 2022 Trilby Media, LLC. All rights reserved.
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* @license MIT License; see LICENSE file for details.
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*/
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namespace Grav\Plugin\Admin\Controllers\Login;
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use Grav\Common\Debugger;
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use Grav\Common\Grav;
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use Grav\Common\Page\Pages;
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use Grav\Common\Uri;
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use Grav\Common\User\Interfaces\UserCollectionInterface;
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use Grav\Common\User\Interfaces\UserInterface;
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use Grav\Common\Utils;
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use Grav\Framework\RequestHandler\Exception\PageExpiredException;
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use Grav\Framework\RequestHandler\Exception\RequestException;
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use Grav\Plugin\Admin\Admin;
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use Grav\Plugin\Admin\Controllers\AdminController;
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use Grav\Plugin\Email\Email;
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use Grav\Plugin\Login\Login;
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use Psr\Http\Message\ResponseInterface;
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use RobThree\Auth\TwoFactorAuthException;
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/**
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* Class LoginController
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* @package Grav\Plugin\Admin\Controllers\Login
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*/
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class LoginController extends AdminController
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{
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/** @var string */
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protected $nonce_action = 'admin-login';
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/** @var string */
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protected $nonce_name = 'login-nonce';
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/**
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* @return ResponseInterface
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*/
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public function displayLogin(): ResponseInterface
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{
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$this->page = $this->createPage('login');
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$user = $this->getUser();
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if ($this->is2FA($user)) {
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$this->form = $this->getForm('login-twofa', ['reset' => true]);
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} else {
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$this->form = $this->getForm('login', ['reset' => true]);
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}
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return $this->createDisplayResponse();
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}
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/**
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* @return ResponseInterface
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*/
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public function displayForgot(): ResponseInterface
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{
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$this->page = $this->createPage('forgot');
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$this->form = $this->getForm('admin-login-forgot', ['reset' => true]);
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return $this->createDisplayResponse();
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}
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/**
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* Handle the reset password action.
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*
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* @param string|null $username
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* @param string|null $token
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* @return ResponseInterface
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*/
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public function displayReset(string $username = null, string $token = null): ResponseInterface
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{
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if ('' === (string)$username || '' === (string)$token) {
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$this->setMessage($this->translate('PLUGIN_ADMIN.RESET_INVALID_LINK'), 'error');
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return $this->createRedirectResponse('/forgot');
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}
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$this->page = $this->createPage('reset');
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$this->form = $this->getForm('admin-login-reset', ['reset' => true]);
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$this->form->setData('username', $username);
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$this->form->setData('token', $token);
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$this->setMessage($this->translate('PLUGIN_ADMIN.RESET_NEW_PASSWORD'));
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return $this->createDisplayResponse();
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}
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/**
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* @return ResponseInterface
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*/
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public function displayRegister(): ResponseInterface
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{
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$route = $this->getRequest()->getAttribute('admin')['route'] ?? '';
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if ('' !== $route) {
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return $this->createRedirectResponse('/');
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}
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$this->page = $this->createPage('register');
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$this->form = $this->getForm('admin-login-register');
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return $this->createDisplayResponse();
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}
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/**
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* @return ResponseInterface
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*/
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public function displayUnauthorized(): ResponseInterface
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{
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$uri = (string)$this->getRequest()->getUri();
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$ext = Utils::pathinfo($uri, PATHINFO_EXTENSION);
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$accept = $this->getAccept(['application/json', 'text/html']);
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if ($ext === 'json' || $accept === 'application/json') {
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return $this->createErrorResponse(new RequestException($this->getRequest(), $this->translate('PLUGIN_ADMIN.LOGGED_OUT'), 401));
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}
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$this->setMessage($this->translate('PLUGIN_ADMIN.LOGGED_OUT'), 'warning');
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return $this->createRedirectResponse('/');
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}
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/**
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* Handle login.
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*
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* @return ResponseInterface
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*/
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public function taskLogin(): ResponseInterface
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{
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$this->page = $this->createPage('login');
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$this->form = $this->getActiveForm() ?? $this->getForm('login');
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try {
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$this->checkNonce();
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} catch (PageExpiredException $e) {
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$this->setMessage($this->translate('PLUGIN_ADMIN.INVALID_SECURITY_TOKEN'), 'error');
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return $this->createDisplayResponse();
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}
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$post = $this->getPost();
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$credentials = (array)($post['data'] ?? []);
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$login = $this->getLogin();
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$config = $this->getConfig();
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$userKey = (string)($credentials['username'] ?? '');
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// Pseudonymization of the IP.
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$ipKey = sha1(Uri::ip() . $config->get('security.salt'));
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$rateLimiter = $login->getRateLimiter('login_attempts');
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// Check if the current IP has been used in failed login attempts.
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$attempts = count($rateLimiter->getAttempts($ipKey, 'ip'));
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$rateLimiter->registerRateLimitedAction($ipKey, 'ip')->registerRateLimitedAction($userKey);
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// Check rate limit for both IP and user, but allow each IP a single try even if user is already rate limited.
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if ($rateLimiter->isRateLimited($ipKey, 'ip') || ($attempts && $rateLimiter->isRateLimited($userKey))) {
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Admin::DEBUG && Admin::addDebugMessage('Admin login: rate limit, redirecting', $credentials);
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$this->setMessage($this->translate('PLUGIN_LOGIN.TOO_MANY_LOGIN_ATTEMPTS', $rateLimiter->getInterval()), 'error');
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$this->form->reset();
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/** @var Pages $pages */
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$pages = $this->grav['pages'];
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// Redirect to the home page of the site.
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return $this->createRedirectResponse($pages->homeUrl(null, true));
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}
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Admin::DEBUG && Admin::addDebugMessage('Admin login', $credentials);
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// Fire Login process.
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$event = $login->login(
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$credentials,
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['admin' => true, 'twofa' => $config->get('plugins.admin.twofa_enabled', false)],
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['authorize' => 'admin.login', 'return_event' => true]
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);
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$user = $event->getUser();
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Admin::DEBUG && Admin::addDebugMessage('Admin login: user', $user);
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$redirect = (string)$this->getRequest()->getUri();
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if ($user->authenticated) {
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$rateLimiter->resetRateLimit($ipKey, 'ip')->resetRateLimit($userKey);
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if ($user->authorized) {
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$event->defMessage('PLUGIN_ADMIN.LOGIN_LOGGED_IN', 'info');
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}
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$event->defRedirect($redirect);
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} elseif ($user->authorized) {
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$event->defMessage('PLUGIN_LOGIN.ACCESS_DENIED', 'error');
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} else {
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$event->defMessage('PLUGIN_LOGIN.LOGIN_FAILED', 'error');
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}
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$event->defRedirect($redirect);
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$message = $event->getMessage();
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if ($message) {
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$this->setMessage($this->translate($message), $event->getMessageType());
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}
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$this->form->reset();
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return $this->createRedirectResponse($event->getRedirect());
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}
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/**
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* Handle logout when user isn't fully logged in or clicks logout after the session has been expired.
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*
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* @return ResponseInterface
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*/
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public function taskLogout(): ResponseInterface
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{
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// We do not need to check the nonce here as user session has been expired or user hasn't fully logged in (2FA).
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// Just be sure we terminate the current session.
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$login = $this->getLogin();
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$event = $login->logout(['admin' => true], ['return_event' => true]);
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$event->defMessage('PLUGIN_ADMIN.LOGGED_OUT', 'info');
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$message = $event->getMessage();
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if ($message) {
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$this->getSession()->setFlashCookieObject(Admin::TMP_COOKIE_NAME, ['message' => $this->translate($message), 'status' => $event->getMessageType()]);
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}
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return $this->createRedirectResponse('/');
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}
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/**
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* Handle 2FA verification.
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*
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* @return ResponseInterface
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*/
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public function taskTwofa(): ResponseInterface
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{
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$user = $this->getUser();
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if (!$this->is2FA($user)) {
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Admin::DEBUG && Admin::addDebugMessage('Admin login: user is not logged in or does not have 2FA enabled', $user);
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// Task is visible only for users who have enabled 2FA.
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return $this->createRedirectResponse('/');
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}
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$login = $this->getLogin();
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$this->page = $this->createPage('login');
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$this->form = $this->getForm('login-twofa');
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try {
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$this->checkNonce();
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} catch (PageExpiredException $e) {
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$this->setMessage($this->translate('PLUGIN_ADMIN.INVALID_SECURITY_TOKEN'), 'error');
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// Failed 2FA nonce check, logout and redirect.
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$login->logout(['admin' => true]);
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$this->form->reset();
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return $this->createRedirectResponse('/');
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}
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$post = $this->getPost();
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$data = $post['data'] ?? [];
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try {
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$twoFa = $login->twoFactorAuth();
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} catch (TwoFactorAuthException $e) {
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/** @var Debugger $debugger */
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$debugger = $this->grav['debugger'];
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$debugger->addException($e);
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$twoFa = null;
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}
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$code = $data['2fa_code'] ?? '';
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$secret = $user->twofa_secret ?? '';
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$twofa_valid = $twoFa->verifyCode($secret, $code);
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$yubikey_otp = $data['yubikey_otp'] ?? '';
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$yubikey_id = $user->yubikey_id ?? '';
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$yubikey_valid = $twoFa->verifyYubikeyOTP($yubikey_id, $yubikey_otp);
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$redirect = (string)$this->getRequest()->getUri();
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if (null === $twoFa || !$user->authenticated || (!$twofa_valid && !$yubikey_valid) ) {
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Admin::DEBUG && Admin::addDebugMessage('Admin login: 2FA check failed, log out!');
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// Failed 2FA auth, logout and redirect to the current page.
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$login->logout(['admin' => true]);
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$this->grav['session']->setFlashCookieObject(Admin::TMP_COOKIE_NAME, ['message' => $this->translate('PLUGIN_ADMIN.2FA_FAILED'), 'status' => 'error']);
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$this->form->reset();
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return $this->createRedirectResponse($redirect);
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}
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// Successful 2FA, authorize user and redirect.
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Grav::instance()['user']->authorized = true;
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Admin::DEBUG && Admin::addDebugMessage('Admin login: 2FA check succeeded, authorize user and redirect');
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$this->setMessage($this->translate('PLUGIN_ADMIN.LOGIN_LOGGED_IN'));
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$this->form->reset();
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return $this->createRedirectResponse($redirect);
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}
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/**
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* Handle the reset password action.
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*
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* @param string|null $username
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* @param string|null $token
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* @return ResponseInterface
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*/
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public function taskReset(string $username = null, string $token = null): ResponseInterface
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{
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$this->page = $this->createPage('reset');
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$this->form = $this->getForm('admin-login-reset');
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try {
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$this->checkNonce();
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} catch (PageExpiredException $e) {
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$this->setMessage($this->translate('PLUGIN_ADMIN.INVALID_SECURITY_TOKEN'), 'error');
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return $this->createDisplayResponse();
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}
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$post = $this->getPost();
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$data = $post['data'] ?? [];
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$users = $this->getAccounts();
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$username = $username ?? $data['username'] ?? null;
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$token = $token ?? $data['token'] ?? null;
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$user = $username ? $users->load($username) : null;
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$password = $data['password'];
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if ($user && $user->exists() && !empty($user->get('reset'))) {
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[$good_token, $expire] = explode('::', $user->get('reset'));
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if ($good_token === $token) {
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if (time() > $expire) {
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$this->setMessage($this->translate('PLUGIN_ADMIN.RESET_LINK_EXPIRED'), 'error');
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$this->form->reset();
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return $this->createRedirectResponse('/forgot');
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}
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// Set new password.
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$login = $this->getLogin();
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try {
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$login->validateField('password1', $password);
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} catch (\RuntimeException $e) {
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$this->setMessage($this->translate($e->getMessage()), 'error');
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return $this->createRedirectResponse("/reset/u/{$username}/{$token}");
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}
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$user->undef('hashed_password');
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$user->undef('reset');
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$user->update(['password' => $password]);
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$user->save();
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$this->form->reset();
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$this->setMessage($this->translate('PLUGIN_ADMIN.RESET_PASSWORD_RESET'));
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return $this->createRedirectResponse('/login');
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}
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Admin::DEBUG && Admin::addDebugMessage(sprintf('Failed to reset password: Token %s is not good', $token));
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||
|
|
} else {
|
||
|
|
Admin::DEBUG && Admin::addDebugMessage(sprintf('Failed to reset password: User %s does not exist or has not requested reset', $username));
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->setMessage($this->translate('PLUGIN_ADMIN.RESET_INVALID_LINK'), 'error');
|
||
|
|
|
||
|
|
$this->form->reset();
|
||
|
|
|
||
|
|
return $this->createRedirectResponse('/forgot');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle the email password recovery procedure.
|
||
|
|
*
|
||
|
|
* Sends email to the user.
|
||
|
|
*
|
||
|
|
* @return ResponseInterface
|
||
|
|
*/
|
||
|
|
public function taskForgot(): ResponseInterface
|
||
|
|
{
|
||
|
|
$this->page = $this->createPage('forgot');
|
||
|
|
$this->form = $this->getForm('admin-login-forgot');
|
||
|
|
try {
|
||
|
|
$this->checkNonce();
|
||
|
|
} catch (PageExpiredException $e) {
|
||
|
|
$this->setMessage($this->translate('PLUGIN_ADMIN.INVALID_SECURITY_TOKEN'), 'error');
|
||
|
|
|
||
|
|
return $this->createDisplayResponse();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
$post = $this->getPost();
|
||
|
|
$data = $post['data'] ?? [];
|
||
|
|
$login = $this->getLogin();
|
||
|
|
$users = $this->getAccounts();
|
||
|
|
$email = $this->getEmail();
|
||
|
|
|
||
|
|
$current = (string)$this->getRequest()->getUri();
|
||
|
|
|
||
|
|
$search = isset($data['username']) ? strip_tags($data['username']) : '';
|
||
|
|
$user = !empty($search) ? $users->load($search) : null;
|
||
|
|
$username = $user->username ?? null;
|
||
|
|
$to = $user->email ?? null;
|
||
|
|
|
||
|
|
// Only send email to users which are enabled and have an email address.
|
||
|
|
if (null === $user || $user->state !== 'enabled' || !$to) {
|
||
|
|
Admin::DEBUG && Admin::addDebugMessage(sprintf('Failed sending email: %s <%s> was not found or is blocked', $search, $to ?? 'N/A'));
|
||
|
|
|
||
|
|
$this->form->reset();
|
||
|
|
|
||
|
|
$this->setMessage($this->translate('PLUGIN_ADMIN.FORGOT_INSTRUCTIONS_SENT_VIA_EMAIL'));
|
||
|
|
|
||
|
|
return $this->createRedirectResponse($current);
|
||
|
|
}
|
||
|
|
|
||
|
|
$config = $this->getConfig();
|
||
|
|
|
||
|
|
// Check rate limit for the user.
|
||
|
|
$rateLimiter = $login->getRateLimiter('pw_resets');
|
||
|
|
$rateLimiter->registerRateLimitedAction($username);
|
||
|
|
if ($rateLimiter->isRateLimited($username)) {
|
||
|
|
Admin::DEBUG && Admin::addDebugMessage(sprintf('Failed sending email: user %s <%s> is rate limited', $search, $to));
|
||
|
|
|
||
|
|
$this->form->reset();
|
||
|
|
|
||
|
|
$interval = $config->get('plugins.login.max_pw_resets_interval', 2);
|
||
|
|
|
||
|
|
$this->setMessage($this->translate('PLUGIN_LOGIN.FORGOT_CANNOT_RESET_IT_IS_BLOCKED', $to, $interval), 'error');
|
||
|
|
|
||
|
|
return $this->createRedirectResponse($current);
|
||
|
|
}
|
||
|
|
|
||
|
|
$token = md5(uniqid(mt_rand(), true));
|
||
|
|
$expire = time() + 3600; // 1 hour
|
||
|
|
|
||
|
|
$user->set('reset', $token . '::' . $expire);
|
||
|
|
$user->save();
|
||
|
|
|
||
|
|
$from = $config->get('plugins.email.from');
|
||
|
|
if (empty($from)) {
|
||
|
|
Admin::DEBUG && Admin::addDebugMessage('Failed sending email: from address is not configured in email plugin');
|
||
|
|
|
||
|
|
$this->form->reset();
|
||
|
|
|
||
|
|
$this->setMessage($this->translate('PLUGIN_ADMIN.FORGOT_EMAIL_NOT_CONFIGURED'), 'error');
|
||
|
|
|
||
|
|
return $this->createRedirectResponse($current);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Do not trust username from the request.
|
||
|
|
$fullname = $user->fullname ?: $username;
|
||
|
|
$author = $config->get('site.author.name', '');
|
||
|
|
$sitename = $config->get('site.title', 'Website');
|
||
|
|
$reset_link = $this->getAbsoluteAdminUrl("/reset/u/{$username}/{$token}");
|
||
|
|
|
||
|
|
// For testing only!
|
||
|
|
//Admin::DEBUG && Admin::addDebugMessage(sprintf('Reset link: %s', $reset_link));
|
||
|
|
|
||
|
|
$subject = $this->translate('PLUGIN_ADMIN.FORGOT_EMAIL_SUBJECT', $sitename);
|
||
|
|
$content = $this->translate('PLUGIN_ADMIN.FORGOT_EMAIL_BODY', $fullname, $reset_link, $author, $sitename);
|
||
|
|
|
||
|
|
$this->grav['twig']->init();
|
||
|
|
$body = $this->grav['twig']->processTemplate('email/base.html.twig', ['content' => $content]);
|
||
|
|
|
||
|
|
try {
|
||
|
|
$message = $email->message($subject, $body, 'text/html')->setFrom($from)->setTo($to);
|
||
|
|
$sent = $email->send($message);
|
||
|
|
if ($sent < 1) {
|
||
|
|
throw new \RuntimeException('Sending email failed');
|
||
|
|
}
|
||
|
|
|
||
|
|
// For testing only!
|
||
|
|
//Admin::DEBUG && Admin::addDebugMessage(sprintf('Email sent to %s', $to), $body);
|
||
|
|
|
||
|
|
$this->setMessage($this->translate('PLUGIN_ADMIN.FORGOT_INSTRUCTIONS_SENT_VIA_EMAIL'));
|
||
|
|
} catch (\RuntimeException|\Swift_SwiftException $e) {
|
||
|
|
$rateLimiter->resetRateLimit($username);
|
||
|
|
|
||
|
|
/** @var Debugger $debugger */
|
||
|
|
$debugger = $this->grav['debugger'];
|
||
|
|
$debugger->addException($e);
|
||
|
|
|
||
|
|
$this->form->reset();
|
||
|
|
|
||
|
|
$this->setMessage($this->translate('PLUGIN_ADMIN.FORGOT_FAILED_TO_EMAIL'), 'error');
|
||
|
|
|
||
|
|
return $this->createRedirectResponse('/forgot');
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->form->reset();
|
||
|
|
|
||
|
|
return $this->createRedirectResponse('/login');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return ResponseInterface
|
||
|
|
*/
|
||
|
|
public function taskRegister(): ResponseInterface
|
||
|
|
{
|
||
|
|
$this->page = $this->createPage('register');
|
||
|
|
$this->form = $form = $this->getForm('admin-login-register');
|
||
|
|
try {
|
||
|
|
$this->checkNonce();
|
||
|
|
} catch (PageExpiredException $e) {
|
||
|
|
$this->setMessage($this->translate('PLUGIN_ADMIN.INVALID_SECURITY_TOKEN'), 'error');
|
||
|
|
|
||
|
|
return $this->createDisplayResponse();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Note: Calls $this->doRegistration() to perform the user registration.
|
||
|
|
$form->handleRequest($this->getRequest());
|
||
|
|
$error = $form->getError();
|
||
|
|
$errors = $form->getErrors();
|
||
|
|
if ($error || $errors) {
|
||
|
|
foreach ($errors as $field => $list) {
|
||
|
|
foreach ((array)$list as $message) {
|
||
|
|
if ($message !== $error) {
|
||
|
|
$this->setMessage($message, 'error');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->createDisplayResponse();
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->setMessage($this->translate('PLUGIN_ADMIN.LOGIN_LOGGED_IN'));
|
||
|
|
|
||
|
|
return $this->createRedirectResponse('/');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param UserInterface $user
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
protected function is2FA(UserInterface $user): bool
|
||
|
|
{
|
||
|
|
return $user && $user->authenticated && !$user->authorized && $user->get('twofa_enabled');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $name
|
||
|
|
* @return callable
|
||
|
|
*/
|
||
|
|
protected function getFormSubmitMethod(string $name): callable
|
||
|
|
{
|
||
|
|
switch ($name) {
|
||
|
|
case 'login':
|
||
|
|
case 'login-twofa':
|
||
|
|
case 'admin-login-forgot':
|
||
|
|
case 'admin-login-reset':
|
||
|
|
return static function(array $data, array $files) {};
|
||
|
|
case 'admin-login-register':
|
||
|
|
return function(array $data, array $files) {
|
||
|
|
$this->doRegistration($data, $files);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
throw new \RuntimeException('Unknown form');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Called by registration form when calling handleRequest().
|
||
|
|
*
|
||
|
|
* @param array $data
|
||
|
|
* @param array $files
|
||
|
|
*/
|
||
|
|
private function doRegistration(array $data, array $files): void
|
||
|
|
{
|
||
|
|
if (Admin::doAnyUsersExist()) {
|
||
|
|
throw new \RuntimeException('A user account already exists, please create an admin account manually.', 400);
|
||
|
|
}
|
||
|
|
|
||
|
|
$login = $this->getLogin();
|
||
|
|
if (!$login) {
|
||
|
|
throw new \RuntimeException($this->grav['language']->translate('PLUGIN_LOGIN.PLUGIN_LOGIN_DISABLED', 500));
|
||
|
|
}
|
||
|
|
|
||
|
|
$data['title'] = $data['title'] ?? 'Administrator';
|
||
|
|
|
||
|
|
// Do not allow form to set the following fields (make super user):
|
||
|
|
$data['state'] = 'enabled';
|
||
|
|
$data['access'] = ['admin' => ['login' => true, 'super' => true], 'site' => ['login' => true]];
|
||
|
|
unset($data['groups']);
|
||
|
|
|
||
|
|
// Create user.
|
||
|
|
$user = $login->register($data, $files);
|
||
|
|
|
||
|
|
// Log in the new super admin user.
|
||
|
|
unset($this->grav['user']);
|
||
|
|
$this->grav['user'] = $user;
|
||
|
|
$this->grav['session']->user = $user;
|
||
|
|
$user->authenticated = true;
|
||
|
|
$user->authorized = $user->authorize('admin.login') ?? false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return Login
|
||
|
|
*/
|
||
|
|
private function getLogin(): Login
|
||
|
|
{
|
||
|
|
return $this->grav['login'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return Email
|
||
|
|
*/
|
||
|
|
private function getEmail(): Email
|
||
|
|
{
|
||
|
|
return $this->grav['Email'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return UserCollectionInterface
|
||
|
|
*/
|
||
|
|
private function getAccounts(): UserCollectionInterface
|
||
|
|
{
|
||
|
|
return $this->grav['accounts'];
|
||
|
|
}
|
||
|
|
}
|