SystemEventHandlers.php

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<?php
 
namespace Elgg\Application;
 
use Elgg\Notifications\CreateCommentEventHandler;
use Elgg\Notifications\Handlers\AddUser;
use Elgg\Notifications\Handlers\AdminValidation;
use Elgg\Notifications\Handlers\BanUser;
use Elgg\Notifications\Handlers\ChangeUserPassword;
use Elgg\Notifications\Handlers\ConfirmEmailChange;
use Elgg\Notifications\Handlers\ConfirmPasswordChange;
use Elgg\Notifications\Handlers\RequestUserPassword;
use Elgg\Notifications\Handlers\ResetUserPassword;
use Elgg\Notifications\Handlers\ValidateUser;
use Elgg\Notifications\MentionsEventHandler;
use Elgg\Notifications\UnbanUserEventHandler;
use Elgg\Notifications\MakeAdminUserEventHandler;
use Elgg\Notifications\RemoveAdminUserEventHandler;
 
class SystemEventHandlers {
    
    public static function init() {
        elgg_register_notification_method('email');
        if ((bool) elgg_get_config('enable_delayed_email')) {
            elgg_register_notification_method('delayed_email');
        }
        
        elgg_register_notification_event('object', 'comment', ['create'], CreateCommentEventHandler::class);
        elgg_register_notification_event('object', 'comment', ['mentions'], MentionsEventHandler::class);
        elgg_register_notification_event('user', 'user', ['admin_validation'], AdminValidation::class);
        elgg_register_notification_event('user', 'user', ['ban'], BanUser::class);
        elgg_register_notification_event('user', 'user', ['changepassword'], ChangeUserPassword::class);
        elgg_register_notification_event('user', 'user', ['email_change'], ConfirmEmailChange::class);
        elgg_register_notification_event('user', 'user', ['make_admin'], MakeAdminUserEventHandler::class);
        elgg_register_notification_event('user', 'user', ['password_change'], ConfirmPasswordChange::class);
        elgg_register_notification_event('user', 'user', ['remove_admin'], RemoveAdminUserEventHandler::class);
        elgg_register_notification_event('user', 'user', ['requestnewpassword'], RequestUserPassword::class);
        elgg_register_notification_event('user', 'user', ['resetpassword'], ResetUserPassword::class);
        elgg_register_notification_event('user', 'user', ['unban'], UnbanUserEventHandler::class);
        elgg_register_notification_event('user', 'user', ['useradd'], AddUser::class);
        elgg_register_notification_event('user', 'user', ['validate'], ValidateUser::class);
        
        // if mb functions are available, set internal encoding to UTF8
        if (is_callable('mb_internal_encoding')) {
            mb_internal_encoding('UTF-8');
        }
    
        elgg_register_ajax_view('admin/users/listing/details');
        elgg_register_ajax_view('core/ajax/edit_comment');
        elgg_register_ajax_view('forms/admin/user/change_email');
        elgg_register_ajax_view('forms/comment/save');
        elgg_register_ajax_view('forms/entity/chooserestoredestination');
        elgg_register_ajax_view('navigation/menu/user_hover/contents');
        elgg_register_ajax_view('notifications/subscriptions/details');
        elgg_register_ajax_view('object/plugin/details');
        elgg_register_ajax_view('object/widget/edit');
        elgg_register_ajax_view('page/elements/comments');
        elgg_register_ajax_view('river/elements/responses');
        
        elgg_extend_view('admin.css', 'lightbox/elgg-colorbox-theme/colorbox.css');
        elgg_extend_view('core/settings/statistics', 'core/settings/statistics/online');
        elgg_extend_view('core/settings/statistics', 'core/settings/statistics/numentities');
        elgg_extend_view('forms/usersettings/save', 'core/settings/account/username', 100);
        elgg_extend_view('forms/usersettings/save', 'core/settings/account/name', 100);
        elgg_extend_view('forms/usersettings/save', 'core/settings/account/email', 100);
        elgg_extend_view('forms/usersettings/save', 'core/settings/account/password', 100);
        elgg_extend_view('forms/usersettings/save', 'core/settings/account/language', 100);
        elgg_extend_view('forms/usersettings/save', 'core/settings/account/default_access', 100);
        
        elgg_register_simplecache_view('admin.css');
        elgg_register_simplecache_view('resources/manifest.json');
        
        elgg_register_external_file('css', 'elgg.admin', elgg_get_simplecache_url('admin.css'));
        elgg_register_external_file('css', 'admin/users/unvalidated', elgg_get_simplecache_url('admin/users/unvalidated.css'));
        elgg_register_external_file('css', 'maintenance', elgg_get_simplecache_url('maintenance.css'));
        
        elgg_register_event_handler('registeruser:validate:password', 'all', [_elgg_services()->passwordGenerator, 'registerUserPasswordValidation']);
        elgg_register_event_handler('view_vars', 'input/password', [_elgg_services()->passwordGenerator, 'addInputRequirements']);
    
        $widgets = ['online_users', 'new_users', 'content_stats', 'banned_users', 'admin_welcome', 'cron_status', 'elgg_blog'];
        foreach ($widgets as $widget) {
            elgg_register_widget_type([
                'id' => $widget,
                'name' => elgg_echo("admin:widget:{$widget}"),
                'description' => elgg_echo("admin:widget:{$widget}:help"),
                'context' => ['admin'],
            ]);
        }
    }
    
    public static function initEarly() {
        elgg_register_pam_handler(\Elgg\PAM\User\Password::class);
    }
    
    public static function initLate() {
        self::initWalledGarden();
    }
 
    public static function ready() {
        _elgg_services()->views->cacheConfiguration();
    }
    
    protected static function initWalledGarden() {
        if (!_elgg_services()->config->walled_garden) {
            return;
        }
    
        elgg_register_external_file('css', 'elgg.walled_garden', elgg_get_simplecache_url('walled_garden.css'));
    
        if (_elgg_services()->config->default_access == ACCESS_PUBLIC) {
            elgg_set_config('default_access', ACCESS_LOGGED_IN);
        }
    
        if (!elgg_is_logged_in()) {
            // override the front page
            elgg_register_route('index', [
                'path' => '/',
                'resource' => 'walled_garden',
            ]);
        }
    }
}