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posts/plugins/login/login.php

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2021-04-20 20:50:33 +02:00
<?php
/**
* @package Grav\Plugin\Login
*
* @copyright Copyright (C) 2014 - 2020 RocketTheme, LLC. All rights reserved.
* @license MIT License; see LICENSE file for details.
*/
namespace Grav\Plugin;
use Composer\Autoload\ClassLoader;
use Grav\Common\Data\Data;
use Grav\Common\Debugger;
use Grav\Common\Flex\Types\Users\UserObject;
use Grav\Common\Grav;
use Grav\Common\Language\Language;
use Grav\Common\Page\Interfaces\PageInterface;
use Grav\Common\Page\Page;
use Grav\Common\Page\Pages;
use Grav\Common\Plugin;
use Grav\Common\Twig\Twig;
use Grav\Common\User\Interfaces\UserCollectionInterface;
use Grav\Common\User\Interfaces\UserInterface;
use Grav\Common\Utils;
use Grav\Common\Uri;
use Grav\Events\SessionStartEvent;
use Grav\Framework\Flex\Interfaces\FlexCollectionInterface;
use Grav\Framework\Flex\Interfaces\FlexObjectInterface;
use Grav\Framework\Session\SessionInterface;
use Grav\Plugin\Form\Form;
use Grav\Plugin\Login\Events\UserLoginEvent;
use Grav\Plugin\Login\Login;
use Grav\Plugin\Login\Controller;
use Grav\Plugin\Login\RememberMe\RememberMe;
use RocketTheme\Toolbox\Event\Event;
use RocketTheme\Toolbox\Session\Message;
/**
* Class LoginPlugin
* @package Grav\Plugin\Login
*/
class LoginPlugin extends Plugin
{
const TMP_COOKIE_NAME = 'tmp-message';
/** @var string */
protected $route;
/** @var bool */
protected $authenticated = true;
/** @var Login */
protected $login;
/** @var bool */
protected $redirect_to_login;
/**
* @return array
*/
public static function getSubscribedEvents()
{
return [
SessionStartEvent::class => ['onSessionStart', 0],
'onPluginsInitialized' => [['autoload', 100000], ['initializeSession', 10000], ['initializeLogin', 1000]],
'onTask.login.login' => ['loginController', 0],
'onTask.login.twofa' => ['loginController', 0],
'onTask.login.twofa_cancel' => ['loginController', 0],
'onTask.login.forgot' => ['loginController', 0],
'onTask.login.logout' => ['loginController', 0],
'onTask.login.reset' => ['loginController', 0],
'onTask.login.regenerate2FASecret' => ['loginController', 0],
'onPagesInitialized' => ['storeReferrerPage', 0],
'onPageInitialized' => ['authorizePage', 0],
'onPageFallBackUrl' => ['authorizeFallBackUrl', 0],
'onTwigTemplatePaths' => ['onTwigTemplatePaths', 0],
'onTwigSiteVariables' => ['onTwigSiteVariables', -100000],
'onFormProcessed' => ['onFormProcessed', 0],
'onUserLoginAuthenticate' => [['userLoginAuthenticateRateLimit', 10003], ['userLoginAuthenticateByRegistration', 10002], ['userLoginAuthenticateByRememberMe', 10001], ['userLoginAuthenticateByEmail', 10000], ['userLoginAuthenticate', 0]],
'onUserLoginAuthorize' => ['userLoginAuthorize', 0],
'onUserLoginFailure' => ['userLoginGuest', 0],
'onUserLoginGuest' => ['userLoginGuest', 0],
'onUserLogin' => [['userLoginResetRateLimit', 1000], ['userLogin', 0]],
'onUserLogout' => ['userLogout', 0],
];
}
/**
* [onPluginsInitialized:100000] Composer autoload.
*
* @return ClassLoader
*/
public function autoload() : ClassLoader
{
return require __DIR__ . '/vendor/autoload.php';
}
public function onSessionStart(SessionStartEvent $event)
{
$session = $event->session;
$user = $session->user ?? null;
if ($user && $user->exists() && ($this->config()['session_user_sync'] ?? false)) {
// User is stored into the filesystem.
/** @var UserCollectionInterface $accounts */
$accounts = $this->grav['accounts'];
/** @var UserObject $stored */
if ($accounts instanceof FlexCollectionInterface) {
$stored = $accounts[$user->username];
if (is_callable([$stored, 'refresh'])) {
$stored->refresh();
}
} else {
// TODO: remove when removing legacy support.
$stored = $accounts->load($user->username);
}
if ($stored && $stored->exists()) {
// User still exists, update user object in the session.
$user->update($stored->jsonSerialize());
} else {
// User doesn't exist anymore, prepare for session invalidation.
$user->state = 'disabled';
}
if ($user->state !== 'enabled') {
// If user isn't enabled, clear all session data and display error.
$session->invalidate()->start();
/** @var Message $messages */
$messages = $this->grav['messages'];
$messages->add($this->grav['language']->translate('PLUGIN_LOGIN.USER_ACCOUNT_DISABLED'), 'error');
}
}
}
/**
* [onPluginsInitialized:10000] Initialize login plugin if path matches.
* @throws \RuntimeException
*/
public function initializeSession()
{
// Check to ensure sessions are enabled.
if (!$this->config->get('system.session.enabled')) {
throw new \RuntimeException('The Login plugin requires "system.session" to be enabled');
}
// Define login service.
$this->grav['login'] = static function (Grav $c) {
return new Login($c);
};
// Define current user service.
$this->grav['user'] = static function (Grav $c) {
$session = $c['session'];
if (empty($session->user)) {
// Try remember me login.
$session->user = $c['login']->login(
['username' => ''],
['remember_me' => true, 'remember_me_login' => true, 'failureEvent' => 'onUserLoginGuest']
);
}
return $session->user;
};
}
/**
* [onPluginsInitialized:1000] Initialize login plugin if path matches.
* @throws \RuntimeException
*/
public function initializeLogin()
{
$this->login = $this->grav['login'];
/** @var Uri $uri */
$uri = $this->grav['uri'];
// Admin has its own login; make sure we're not in admin.
if (!isset($this->grav['admin'])) {
$this->route = $this->config->get('plugins.login.route');
$this->enable([
'onPagesInitialized' => ['pageVisibility', 0],
]);
}
$path = $uri->path();
$this->redirect_to_login = $this->config->get('plugins.login.redirect_to_login');
// Register route to login page if it has been set.
if ($this->route && $this->route === $path) {
$this->enable([
'onPagesInitialized' => ['addLoginPage', 0],
]);
return;
}
if ($path === $this->config->get('plugins.login.route_forgot')) {
$this->enable([
'onPagesInitialized' => ['addForgotPage', 0],
]);
return;
}
if ($path === $this->config->get('plugins.login.route_reset')) {
$this->enable([
'onPagesInitialized' => ['addResetPage', 0],
]);
return;
}
if ($path === $this->config->get('plugins.login.route_register')) {
if ($this->config->get('plugins.login.user_registration.enabled')) {
$this->enable([
'onPagesInitialized' => ['addRegisterPage', 0],
]);
} else {
throw new \RuntimeException($this->grav['language']->translate('PLUGIN_LOGIN.REGISTRATION_DISABLED'), 404);
}
return;
}
if ($path === $this->config->get('plugins.login.route_activate')) {
$this->enable([
'onPagesInitialized' => ['handleUserActivation', 0],
]);
return;
}
if ($path === $this->config->get('plugins.login.route_profile')) {
$this->enable([
'onPagesInitialized' => ['addProfilePage', 0],
]);
return;
}
}
/**
* Optional ability to dynamically set visibility based on page access and page header
* that states `login.visibility_requires_access: true`
*
* Note that this setting may be slow on large sites as it loads all pages into memory for each page load!
*
* @param Event $e
*/
public function pageVisibility(Event $e)
{
if ($this->config->get('plugins.login.dynamic_page_visibility')) {
/** @var Pages $pages */
$pages = $e['pages'];
$user = $this->grav['user'];
// TODO: This is super slow especially with Flex Pages. Better solution is required (on indexing / on load?).
foreach ($pages->instances() as $page) {
if ($page) {
$header = $page->header();
if ($header && isset($header->access) && isset($header->login['visibility_requires_access']) && $header->login['visibility_requires_access'] === true) {
$config = $this->mergeConfig($page);
$access = $this->login->isUserAuthorizedForPage($user, $page, $config);
if ($access === false) {
$page->visible(false);
}
}
}
}
}
}
/**
* [onPagesInitialized]
*/
public function storeReferrerPage()
{
$invalid_redirect_routes = [
$this->config->get('plugins.login.route') ?: '/login',
$this->config->get('plugins.login.route_register') ?: '/register',
$this->config->get('plugins.login.route_activate') ?: '/activate_user',
$this->config->get('plugins.login.route_forgot') ?: '/forgot_password',
$this->config->get('plugins.login.route_reset') ?: '/reset_password',
];
/** @var Uri $uri */
$uri = $this->grav['uri'];
$current_route = $uri->route();
$redirect = static::defaultRedirectAfterLogin();
if (!$redirect && !in_array($current_route, $invalid_redirect_routes, true)) {
// No login redirect set in the configuration; can we redirect to the current page?
$allowed = true;
/** @var PageInterface $page */
$page = $this->grav['pages']->dispatch($current_route);
if ($page) {
$header = $page->header();
if (isset($header->login_redirect_here) && $header->login_redirect_here === false) {
$allowed = false;
}
if ($allowed && $page->routable()) {
$redirect = $page->route();
foreach ($uri->params(null, true) as $key => $value) {
if (!in_array($key, ['task', 'nonce', 'login-nonce', 'logout-nonce'], true)) {
$redirect .= $uri->params($key);
}
}
}
}
} else {
$redirect = $this->grav['session']->redirect_after_login;
}
$this->grav['session']->redirect_after_login = $redirect;
}
/**
* Add Login page
* @throws \Exception
*/
public function addLoginPage()
{
/** @var Pages $pages */
$pages = $this->grav['pages'];
$page = $pages->dispatch($this->route);
if (!$page) {
// Only add login page if it hasn't already been defined.
$page = new Page();
$page->init(new \SplFileInfo(__DIR__ . '/pages/login.md'));
$page->slug(basename($this->route));
$pages->addPage($page, $this->route);
}
// Login page may not have the correct Cache-Control header set, force no-store for the proxies.
$cacheControl = $page->cacheControl();
if (!$cacheControl) {
$page->cacheControl('private, no-cache, must-revalidate');
}
}
/**
* Add Login page
* @throws \Exception
*/
public function addForgotPage()
{
$route = $this->config->get('plugins.login.route_forgot');
/** @var Pages $pages */
$pages = $this->grav['pages'];
$page = $pages->dispatch($route);
if (!$page) {
// Only add forgot page if it hasn't already been defined.
$page = new Page();
$page->init(new \SplFileInfo(__DIR__ . '/pages/forgot.md'));
$page->slug(basename($route));
$pages->addPage($page, $route);
}
// Forgot page may not have the correct Cache-Control header set, force no-store for the proxies.
$cacheControl = $page->cacheControl();
if (!$cacheControl) {
$page->cacheControl('private, no-cache, must-revalidate');
}
}
/**
* Add Reset page
* @throws \Exception
*/
public function addResetPage()
{
$route = $this->config->get('plugins.login.route_reset');
$uri = $this->grav['uri'];
$token = $uri->param('token');
$user = $uri->param('user');
if (!$user || !$token) {
return;
}
/** @var Pages $pages */
$pages = $this->grav['pages'];
$page = $pages->dispatch($route);
if (!$page) {
// Only add login page if it hasn't already been defined.
$page = new Page();
$page->init(new \SplFileInfo(__DIR__ . '/pages/reset.md'));
$page->slug(basename($route));
$pages->addPage($page, $route);
}
// Reset page may not have the correct Cache-Control header set, force no-store for the proxies.
$cacheControl = $page->cacheControl();
if (!$cacheControl) {
$page->cacheControl('private, no-cache, must-revalidate');
}
}
/**
* Add Register page
* @throws \Exception
*/
public function addRegisterPage()
{
$route = $this->config->get('plugins.login.route_register');
/** @var Pages $pages */
$pages = $this->grav['pages'];
$page = $pages->dispatch($route);
if (!$page) {
$page = new Page();
$page->init(new \SplFileInfo(__DIR__ . '/pages/register.md'));
$page->slug(basename($route));
$pages->addPage($page, $route);
}
// Register page may not have the correct Cache-Control header set, force no-store for the proxies.
$cacheControl = $page->cacheControl();
if (!$cacheControl) {
$page->cacheControl('private, no-cache, must-revalidate');
}
}
/**
* Handle user activation
* @throws \RuntimeException
*/
public function handleUserActivation()
{
/** @var Uri $uri */
$uri = $this->grav['uri'];
/** @var Message $messages */
$messages = $this->grav['messages'];
/** @var UserCollectionInterface $users */
$users = $this->grav['accounts'];
$username = $uri->param('username');
$token = $uri->param('token');
$user = $users->load($username);
if (is_callable([$user, 'refresh'])) {
$user->refresh();
}
$redirect_route = $this->config->get('plugins.login.user_registration.redirect_after_activation');
$redirect_code = null;
if (empty($user->activation_token)) {
$message = $this->grav['language']->translate('PLUGIN_LOGIN.INVALID_REQUEST');
$messages->add($message, 'error');
} else {
[$good_token, $expire] = explode('::', $user->activation_token, 2);
if ($good_token === $token) {
if (time() > $expire) {
$message = $this->grav['language']->translate('PLUGIN_LOGIN.ACTIVATION_LINK_EXPIRED');
$messages->add($message, 'error');
} else {
if ($this->config->get('plugins.login.user_registration.options.manually_enable', false)) {
$message = $this->grav['language']->translate('PLUGIN_LOGIN.USER_ACTIVATED_SUCCESSFULLY_NOT_ENABLED');
} else {
$user['state'] = 'enabled';
$message = $this->grav['language']->translate('PLUGIN_LOGIN.USER_ACTIVATED_SUCCESSFULLY');
}
$messages->add($message, 'info');
unset($user->activation_token);
$user->save();
if ($this->config->get('plugins.login.user_registration.options.send_welcome_email', false)) {
$this->login->sendWelcomeEmail($user);
}
if ($this->config->get('plugins.login.user_registration.options.send_notification_email', false)) {
$this->login->sendNotificationEmail($user);
}
if ($this->config->get('plugins.login.user_registration.options.login_after_registration', false)) {
$loginEvent = $this->login->login(['username' => $username], ['after_registration' => true], ['user' => $user, 'return_event' => true]);
// If there's no activation redirect, get one from login.
if (!$redirect_route) {
$message = $loginEvent->getMessage();
if ($message) {
$messages->add($message, $loginEvent->getMessageType());
}
$redirect_route = $loginEvent->getRedirect();
$redirect_code = $loginEvent->getRedirectCode();
}
}
$this->grav->fireEvent('onUserActivated', new Event(['user' => $user]));
}
} else {
$message = $this->grav['language']->translate('PLUGIN_LOGIN.INVALID_REQUEST');
$messages->add($message, 'error');
}
}
$this->grav->redirectLangSafe($redirect_route ?: '/', $redirect_code);
}
/**
* Add Profile page
*/
public function addProfilePage()
{
$route = $this->config->get('plugins.login.route_profile');
/** @var Pages $pages */
$pages = $this->grav['pages'];
$page = $pages->dispatch($route);
if (!$page) {
// Only add forgot page if it hasn't already been defined.
$page = new Page();
$page->init(new \SplFileInfo(__DIR__ . '/pages/profile.md'));
$page->slug(basename($route));
$pages->addPage($page, $route);
}
// Profile page may not have the correct Cache-Control header set, force no-store for the proxies.
$cacheControl = $page->cacheControl();
if (!$cacheControl) {
$page->cacheControl('private, no-cache, must-revalidate');
}
$this->storeReferrerPage();
}
/**
* Set Unauthorized page
* @throws \Exception
*/
public function setUnauthorizedPage()
{
$route = $this->config->get('plugins.login.route_unauthorized');
/** @var Pages $pages */
$pages = $this->grav['pages'];
$page = $pages->dispatch($route);
if (!$page) {
$page = new Page();
$page->init(new \SplFileInfo(__DIR__ . '/pages/unauthorized.md'));
$page->slug(basename($route));
$pages->addPage($page, $route);
}
// Unauthorized page may not have the correct Cache-Control header set, force no-store for the proxies.
$cacheControl = $page->cacheControl();
if (!$cacheControl) {
$page->cacheControl('private, no-cache, must-revalidate');
}
unset($this->grav['page']);
$this->grav['page'] = $page;
}
/**
* Initialize login controller
*/
public function loginController()
{
/** @var Uri $uri */
$uri = $this->grav['uri'];
$task = $_POST['task'] ?? $uri->param('task');
$task = substr($task, \strlen('login.'));
$post = !empty($_POST) ? $_POST : [];
switch ($task) {
case 'login':
if (!isset($post['login-form-nonce']) || !Utils::verifyNonce($post['login-form-nonce'], 'login-form')) {
$this->grav['messages']->add($this->grav['language']->translate('PLUGIN_LOGIN.ACCESS_DENIED'),
'info');
$twig = $this->grav['twig'];
$twig->twig_vars['notAuthorized'] = true;
return;
}
break;
case 'forgot':
if (!isset($post['forgot-form-nonce']) || !Utils::verifyNonce($post['forgot-form-nonce'], 'forgot-form')) {
$this->grav['messages']->add($this->grav['language']->translate('PLUGIN_LOGIN.ACCESS_DENIED'),'info');
return;
}
break;
}
$controller = new Controller($this->grav, $task, $post);
$controller->execute();
$controller->redirect();
}
/**
* Authorize the Page fallback url (page media accessed through the page route)
*/
public function authorizeFallBackUrl()
{
if ($this->config->get('plugins.login.protect_protected_page_media', false)) {
$page_url = \dirname($this->grav['uri']->path());
$page = $this->grav['pages']->find($page_url);
unset($this->grav['page']);
$this->grav['page'] = $page;
$this->authorizePage();
}
}
/**
* [onPageInitialized] Authorize Page
*/
public function authorizePage()
{
if (!$this->authenticated) {
return;
}
/** @var UserInterface $user */
$user = $this->grav['user'];
/** @var PageInterface $page */
$page = $this->grav['page'];
if (!$page || $this->grav['login']->isUserAuthorizedForPage($user, $page, $this->mergeConfig($page))) {
return;
}
// If this is not an HTML page request, simply throw a 403 error
$uri_extension = $this->grav['uri']->extension('html');
$supported_types = $this->config->get('media.types');
if ($uri_extension !== 'html' && array_key_exists($uri_extension, $supported_types)) {
header('HTTP/1.0 403 Forbidden');
exit;
}
$authorized = $user->authenticated && $user->authorized;
// User is not logged in; redirect to login page.
if ($this->redirect_to_login && $this->route && !$authorized) {
$this->grav->redirectLangSafe($this->route, 302);
}
/** @var Twig $twig */
$twig = $this->grav['twig'];
$login_page = null;
// Reset page with login page.
if (!$authorized) {
if ($this->route) {
$login_page = $this->grav['pages']->dispatch($this->route);
}
if (!$login_page) {
$login_page = new Page();
// Get the admin Login page is needed, else the default
if ($this->isAdmin()) {
$login_file = $this->grav['locator']->findResource('plugins://admin/pages/admin/login.md');
$login_page->init(new \SplFileInfo($login_file));
} else {
$login_page->init(new \SplFileInfo(__DIR__ . '/pages/login.md'));
}
$login_page->slug(basename($this->route));
/** @var Pages $pages */
$pages = $this->grav['pages'];
$pages->addPage($login_page, $this->route);
}
// Login page may not have the correct Cache-Control header set, force no-store for the proxies.
$cacheControl = $page->cacheControl();
if (!$cacheControl) {
$page->cacheControl('private, no-cache, must-revalidate');
}
$this->authenticated = false;
unset($this->grav['page']);
$this->grav['page'] = $login_page;
$twig->twig_vars['form'] = new Form($login_page);
} else {
/** @var Language $l */
$l = $this->grav['language'];
$this->grav['messages']->add($l->translate('PLUGIN_LOGIN.ACCESS_DENIED'), 'error');
$twig->twig_vars['notAuthorized'] = true;
$this->setUnauthorizedPage();
}
}
/**
* [onTwigTemplatePaths] Add twig paths to plugin templates.
*/
public function onTwigTemplatePaths()
{
$twig = $this->grav['twig'];
$twig->twig_paths[] = __DIR__ . '/templates';
}
/**
* [onTwigSiteVariables] Set all twig variables for generating output.
*/
public function onTwigSiteVariables()
{
/** @var Twig $twig */
$twig = $this->grav['twig'];
$this->grav->fireEvent('onLoginPage');
$extension = $this->grav['uri']->extension();
$extension = $extension ?: 'html';
if (!$this->authenticated) {
$twig->template = "login.{$extension}.twig";
}
// add CSS for frontend if required
if (!$this->isAdmin() && $this->config->get('plugins.login.built_in_css')) {
$this->grav['assets']->add('plugin://login/css/login.css');
}
$task = $this->grav['uri']->param('task') ?: ($_POST['task'] ?? '');
$task = substr($task, \strlen('login.'));
if ($task === 'reset') {
$username = $this->grav['uri']->param('user');
$token = $this->grav['uri']->param('token');
if (!empty($username) && !empty($token)) {
$twig->twig_vars['username'] = $username;
$twig->twig_vars['token'] = $token;
}
} elseif ($task === 'login') {
$twig->twig_vars['username'] = $_POST['username'] ?? '';
}
$flashData = $this->grav['session']->getFlashCookieObject(self::TMP_COOKIE_NAME);
if (isset($flashData->message)) {
$this->grav['messages']->add($flashData->message, $flashData->status);
}
}
/**
* Process the user registration, triggered by a registration form
*
* @param Form $form
* @throws \RuntimeException
*/
private function processUserRegistration($form, Event $event)
{
$language = $this->grav['language'];
$messages = $this->grav['messages'];
if (!$this->config->get('plugins.login.enabled')) {
throw new \RuntimeException($language->translate('PLUGIN_LOGIN.PLUGIN_LOGIN_DISABLED'));
}
if (!$this->config->get('plugins.login.user_registration.enabled')) {
throw new \RuntimeException($language->translate('PLUGIN_LOGIN.USER_REGISTRATION_DISABLED'));
}
$form->validate();
/** @var Data $form_data */
$form_data = $form->getData();
/** @var UserCollectionInterface $users */
$users = $this->grav['accounts'];
// Check for existing username
$username = $form_data->get('username');
$existing_username = $users->find($username, ['username']);
if ($existing_username->exists()) {
$this->grav->fireEvent('onFormValidationError', new Event([
'form' => $form,
'message' => $language->translate([
'PLUGIN_LOGIN.USERNAME_NOT_AVAILABLE',
$username
])
]));
$event->stopPropagation();
return;
}
// Check for existing email
$email = $form_data->get('email');
$existing_email = $users->find($email, ['email']);
if ($existing_email->exists()) {
$this->grav->fireEvent('onFormValidationError', new Event([
'form' => $form,
'message' => $language->translate([
'PLUGIN_LOGIN.EMAIL_NOT_AVAILABLE',
$email
])
]));
$event->stopPropagation();
return;
}
$data = [];
$data['username'] = $username;
// if multiple password fields, check they match and set password field from it
if ($this->config->get('plugins.login.user_registration.options.validate_password1_and_password2',
false)
) {
if ($form_data->get('password1') !== $form_data->get('password2')) {
$this->grav->fireEvent('onFormValidationError', new Event([
'form' => $form,
'message' => $language->translate('PLUGIN_LOGIN.PASSWORDS_DO_NOT_MATCH')
]));
$event->stopPropagation();
return;
}
$data['password'] = $form_data->get('password1');
}
$fields = (array)$this->config->get('plugins.login.user_registration.fields', []);
foreach ($fields as $field) {
// Process value of field if set in the page process.register_user
$default_values = (array)$this->config->get('plugins.login.user_registration.default_values');
if ($default_values) {
foreach ($default_values as $key => $param) {
if ($key === $field) {
if (\is_array($param)) {
$values = explode(',', $param);
} else {
$values = $param;
}
$data[$field] = $values;
}
}
}
if (!isset($data[$field]) && $form_data->get($field)) {
$data[$field] = $form_data->get($field);
}
}
if ($this->config->get('plugins.login.user_registration.options.set_user_disabled', false)) {
$data['state'] = 'disabled';
} else {
$data['state'] = 'enabled';
}
$data_object = (object) $data;
$this->grav->fireEvent('onUserLoginRegisterData', new Event(['data' => &$data_object]));
$flash = $form->getFlash();
$user = $this->login->register((array)$data_object, $flash->getFilesByFields(true));
if ($user instanceof FlexObjectInterface) {
$flash->clearFiles();
$flash->save();
}
$this->grav->fireEvent('onUserLoginRegisteredUser', new Event(['user' => &$user]));
$fullname = $user->fullname ?? $user->username;
if ($this->config->get('plugins.login.user_registration.options.send_activation_email', false)) {
$this->login->sendActivationEmail($user);
$message = $language->translate(['PLUGIN_LOGIN.ACTIVATION_NOTICE_MSG', $fullname]);
$messages->add($message, 'info');
} else {
if ($this->config->get('plugins.login.user_registration.options.send_welcome_email', false)) {
$this->login->sendWelcomeEmail($user);
}
if ($this->config->get('plugins.login.user_registration.options.send_notification_email', false)) {
$this->login->sendNotificationEmail($user);
}
$message = $language->translate(['PLUGIN_LOGIN.WELCOME_NOTICE_MSG', $fullname]);
$messages->add($message, 'info');
}
$this->grav->fireEvent('onUserLoginRegistered', new Event(['user' => $user]));
$redirect = $this->config->get('plugins.login.user_registration.redirect_after_registration');
$redirect_code = null;
if (isset($user['state']) && $user['state'] === 'enabled' && $this->config->get('plugins.login.user_registration.options.login_after_registration', false)) {
$loginEvent = $this->login->login(['username' => $user->username], ['after_registration' => true], ['user' => $user, 'return_event' => true]);
// If there's no registration redirect, get one from login.
if (!$redirect) {
$message = $loginEvent->getMessage();
if ($message) {
$messages->add($message, $loginEvent->getMessageType());
}
$redirect = $loginEvent->getRedirect();
$redirect_code = $loginEvent->getRedirectCode();
}
}
if ($redirect) {
$event['redirect'] = $redirect;
$event['redirect_code'] = $redirect_code;
}
}
/**
* Save user profile information
*
* @param Form $form
* @param Event $event
* @return bool
*/
private function processUserProfile($form, Event $event)
{
/** @var UserInterface $user */
$user = $this->grav['user'];
$language = $this->grav['language'];
$form->validate();
/** @var Data $form_data */
$form_data = $form->getData();
// Don't save if user doesn't exist
if (!$user->exists()) {
$this->grav->fireEvent('onFormValidationError', new Event([
'form' => $form,
'message' => $language->translate('PLUGIN_LOGIN.USER_IS_REMOTE_ONLY')
]));
$event->stopPropagation();
return false;
}
// Stop overloading of username
$username = $form->data('username');
if (isset($username)) {
$this->grav->fireEvent('onFormValidationError', new Event([
'form' => $form,
'message' => $language->translate([
'PLUGIN_LOGIN.USERNAME_NOT_AVAILABLE',
$username
])
]));
$event->stopPropagation();
return false;
}
/** @var UserCollectionInterface $users */
$users = $this->grav['accounts'];
// Check for existing email
$email = $form->getData('email');
$existing_email = $users->find($email, ['email']);
if ($user->username !== $existing_email->username && $existing_email->exists()) {
$this->grav->fireEvent('onFormValidationError', new Event([
'form' => $form,
'message' => $language->translate([
'PLUGIN_LOGIN.EMAIL_NOT_AVAILABLE',
$email
])
]));
$event->stopPropagation();
return false;
}
$fields = (array)$this->config->get('plugins.login.user_registration.fields', []);
$data = [];
foreach ($fields as $field) {
$data_field = $form_data->get($field);
if (!isset($data[$field]) && isset($data_field)) {
$data[$field] = $form_data->get($field);
}
}
try {
$flash = $form->getFlash();
$user->update($data, $flash->getFilesByFields(true));
$user->save();
if ($user instanceof FlexObjectInterface) {
$flash->clearFiles();
$flash->save();
}
} catch (\Exception $e) {
$form->setMessage($e->getMessage(), 'error');
return false;
}
return true;
}
/**
* [onFormProcessed] Process a registration form. Handles the following actions:
*
* - register_user: registers a user
* - update_user: updates user profile
*
* @param Event $event
* @throws \RuntimeException
*/
public function onFormProcessed(Event $event)
{
$form = $event['form'];
$action = $event['action'];
switch ($action) {
case 'register_user':
$this->processUserRegistration($form, $event);
break;
case 'update_user':
$this->processUserProfile($form, $event);
break;
}
}
/**
* @param UserLoginEvent $event
* @throws \RuntimeException
*/
public function userLoginAuthenticateRateLimit(UserLoginEvent $event)
{
// Check that we're logging in with rate limit turned on.
if (!$event->getOption('rate_limit')) {
return;
}
$credentials = $event->getCredentials();
$username = $credentials['username'];
// Check rate limit for both IP and user, but allow each IP a single try even if user is already rate limited.
if ($interval = $this->login->checkLoginRateLimit($username)) {
/** @var Language $t */
$t = $this->grav['language'];
$event->setMessage($t->translate(['PLUGIN_LOGIN.TOO_MANY_LOGIN_ATTEMPTS', $interval]), 'error');
$event->setRedirect($this->grav['config']->get('plugins.login.route', '/'));
$event->setStatus(UserLoginEvent::AUTHENTICATION_CANCELLED);
$event->stopPropagation();
}
}
/**
* @param UserLoginEvent $event
* @throws \RuntimeException
*/
public function userLoginAuthenticateByRegistration(UserLoginEvent $event)
{
// Check that we're logging in after registration.
if (!$event->getOption('after_registration') || $this->isAdmin()) {
return;
}
$event->setStatus($event::AUTHENTICATION_SUCCESS);
$event->stopPropagation();
}
/**
* @param UserLoginEvent $event
* @throws \RuntimeException
*/
public function userLoginAuthenticateByRememberMe(UserLoginEvent $event)
{
// Check that we're logging in with remember me.
if (!$event->getOption('remember_me_login') || !$event->getOption('remember_me') || $this->isAdmin()) {
return;
}
// Only use remember me if user isn't set and feature is enabled.
if ($this->grav['config']->get('plugins.login.rememberme.enabled') && !$event->getUser()->exists()) {
/** @var Debugger $debugger */
$debugger = $this->grav['debugger'];
/** @var RememberMe $rememberMe */
$rememberMe = $this->grav['login']->rememberMe();
$username = $rememberMe->login();
if ($rememberMe->loginTokenWasInvalid()) {
// Token was invalid. We will display error page as this was likely an attack.
$debugger->addMessage('Remember Me: Stolen token!');
throw new \RuntimeException($this->grav['language']->translate('PLUGIN_LOGIN.REMEMBER_ME_STOLEN_COOKIE'), 403);
}
if ($username === false) {
// User has not been remembered, there is no point of continuing.
$debugger->addMessage('Remember Me: No token matched.');
$event->setStatus($event::AUTHENTICATION_FAILURE);
$event->stopPropagation();
return;
}
/** @var UserCollectionInterface $users */
$users = $this->grav['accounts'];
// Allow remember me to work with different login methods.
$user = $users->load($username);
if (is_callable([$user, 'refresh'])) {
$user->refresh();
}
$event->setCredential('username', $username);
$event->setUser($user);
if (!$user->exists()) {
$debugger->addMessage('Remember Me: User does not exist');
$event->setStatus($event::AUTHENTICATION_FAILURE);
$event->stopPropagation();
return;
}
$debugger->addMessage('Remember Me: Authenticated!');
$event->setStatus($event::AUTHENTICATION_SUCCESS);
$event->stopPropagation();
return;
}
}
public function userLoginAuthenticateByEmail(UserLoginEvent $event)
{
if (($username = $event->getCredential('username')) && !$event->getUser()->exists()) {
/** @var UserCollectionInterface $users */
$users = $this->grav['accounts'];
$event->setUser($users->find($username));
}
}
public function userLoginAuthenticate(UserLoginEvent $event)
{
$user = $event->getUser();
$credentials = $event->getCredentials();
if (!$user->exists()) {
// Never let non-existing users to pass the authentication.
// Higher level plugins may override this behavior by stopping propagation.
$event->setStatus($event::AUTHENTICATION_FAILURE);
$event->stopPropagation();
return;
}
// Never let empty password to pass the authentication.
// Higher level plugins may override this behavior by stopping propagation.
if (empty($credentials['password'])) {
$event->setStatus($event::AUTHENTICATION_FAILURE);
$event->stopPropagation();
return;
}
// Try default user authentication. Stop propagation if authentication succeeds.
if ($user->authenticate($credentials['password'])) {
$event->setStatus($event::AUTHENTICATION_SUCCESS);
$event->stopPropagation();
return;
}
// If authentication status is undefined, lower level event handlers may still be able to authenticate user.
}
public function userLoginAuthorize(UserLoginEvent $event)
{
// Always block access if authorize defaulting to site.login fails.
$user = $event->getUser();
foreach ($event->getAuthorize() as $authorize) {
if (!$user->authorize($authorize)) {
if ($user->state !== 'enabled') {
$event->setMessage($this->grav['language']->translate('PLUGIN_LOGIN.USER_ACCOUNT_DISABLED'), 'error');
}
$event->setStatus($event::AUTHORIZATION_DENIED);
$event->stopPropagation();
return;
}
}
if ($event->getOption('twofa') && $user->twofa_enabled && $user->twofa_secret) {
$event->setStatus($event::AUTHORIZATION_DELAYED);
}
}
public function userLoginGuest(UserLoginEvent $event)
{
/** @var UserCollectionInterface $users */
$users = $this->grav['accounts'];
$user = $users->load('');
$event->setUser($user);
$this->grav['session']->user = $user;
}
public function userLoginResetRateLimit(UserLoginEvent $event)
{
if ($event->getOption('rate_limit')) {
// Reset user rate limit.
$user = $event->getUser();
$this->login->resetLoginRateLimit($user->get('username'));
}
}
public function userLogin(UserLoginEvent $event)
{
/** @var SessionInterface $session */
$session = $this->grav['session'];
// Prevent session fixation if supported.
// TODO: remove method_exists() test when requiring Grav v1.7
if (method_exists($session, 'regenerateId')) {
$session->regenerateId();
}
$session->user = $user = $event->getUser();
if ($event->getOption('remember_me')) {
/** @var Login $login */
$login = $this->grav['login'];
$session->remember_me = (bool)$event->getOption('remember_me_login');
// If the user wants to be remembered, create Rememberme cookie.
$username = $user->get('username');
if ($event->getCredential('rememberme')) {
$login->rememberMe()->createCookie($username);
}
}
}
public function userLogout(UserLoginEvent $event)
{
if ($event->getOption('remember_me')) {
/** @var Login $login */
$login = $this->grav['login'];
if (!$login->rememberMe()->login()) {
$login->rememberMe()->getStorage()->cleanAllTriplets($event->getUser()->get('username'));
}
$login->rememberMe()->clearCookie();
}
/** @var SessionInterface $session */
$session = $this->grav['session'];
// Clear all session data.
$session->invalidate()->start();
}
public static function defaultRedirectAfterLogin()
{
$config = Grav::instance()['config'];
$redirect_after_login = $config->get('plugins.login.redirect_after_login');
$route_after_login = $config->get('plugins.login.route_after_login');
return is_bool($redirect_after_login) && $redirect_after_login == true ? $route_after_login : $redirect_after_login;
}
public static function defaultRedirectAfterLogout()
{
$config = Grav::instance()['config'];
$redirect_after_logout = $config->get('plugins.login.redirect_after_logout');
$route_after_logout = $config->get('plugins.login.route_after_logout');
return is_bool($redirect_after_logout) && $redirect_after_logout == true ? $route_after_logout : $redirect_after_logout;
}
}
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