<?php

/**
 * 
 * Rest Auth
 * https://wp-kama.ru/handbook/rest/basic/close-for-public
 */

add_filter( 'rest_authentication_errors', function( $result ) {

	if( is_null( $result ) && ! current_user_can('edit_others_posts') ){
			//if ( ! is_user_logged_in() ) 
			return new WP_Error( 'rest_forbidden', 'Rest was disabled forever.', array( 'status' => 401 ) );
	}

	return $result;
});

/**
 * Disable the emoji's***********************************************
 */
function disable_emojis() {
 remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
 remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
 remove_action( 'wp_print_styles', 'print_emoji_styles' );
 remove_action( 'admin_print_styles', 'print_emoji_styles' ); 
 remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
 remove_filter( 'comment_text_rss', 'wp_staticize_emoji' ); 
 remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
 add_filter( 'tiny_mce_plugins', 'disable_emojis_tinymce' );
 add_filter( 'wp_resource_hints', 'disable_emojis_remove_dns_prefetch', 10, 2 );
	
 remove_action( 'wp_head', 'wp_resource_hints', 2, 99 );//Remove S.W.org DNS
}
add_action( 'init', 'disable_emojis' );
	/**
	 * Filter function used to remove the tinymce emoji plugin.
	 * 
	 * @param array $plugins 
	 * @return array Difference betwen the two arrays
	 */
	function disable_emojis_tinymce( $plugins ) {
	 if ( is_array( $plugins ) ) {
	 return array_diff( $plugins, array( 'wpemoji' ) );
	 } else {
	 return array();
	 }
	}

	/**
	 * Remove emoji CDN hostname from DNS prefetching hints.
	 *
	 * @param array $urls URLs to print for resource hints.
	 * @param string $relation_type The relation type the URLs are printed for.
	 * @return array Difference betwen the two arrays.
	 */
	function disable_emojis_remove_dns_prefetch( $urls, $relation_type ) {
	 if ( 'dns-prefetch' == $relation_type ) {
	 /** This filter is documented in wp-includes/formatting.php */
	 $emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2/svg/' );

	$urls = array_diff( $urls, array( $emoji_svg_url ) );
	 }

	return $urls;
	}


/*Removes RSD, XMLRPC, WLW, WP Generator, ShortLink and Comment Feed links*******************************/

add_filter('xmlrpc_enabled', '__return_false'); 

function whtop_setup()
{
    remove_action( 'wp_head', 'feed_links_extra', 3); // Remove category feeds
    remove_action( 'wp_head', 'feed_links', 2); // Remove Post and Comment Feeds
    remove_action( 'wp_head', 'rsd_link' );
    remove_action( 'wp_head', 'wlwmanifest_link' );
    remove_action( 'wp_head', 'wp_generator' );
	//add_filter( 'the_generator', '__return_null' );
	remove_action('wp_head', 'wp_shortlink_wp_head');
	remove_action('wp_head', 'rest_output_link_wp_head', 10);

}
add_action( 'after_setup_theme', 'whtop_setup' );



///Disable Embeds in WordPress With Code********************

function disable_embeds_code_init() {

 // Remove the REST API endpoint.
 //remove_action( 'rest_api_init', 'wp_oembed_register_route' );

 // Turn off oEmbed auto discovery.
 add_filter( 'embed_oembed_discover', '__return_false' );

 // Don't filter oEmbed results.
 remove_filter( 'oembed_dataparse', 'wp_filter_oembed_result', 10 );

 // Remove oEmbed discovery links.
 remove_action( 'wp_head', 'wp_oembed_add_discovery_links' );

 // Remove oEmbed-specific JavaScript from the front-end and back-end.
 remove_action( 'wp_head', 'wp_oembed_add_host_js' );
 add_filter( 'tiny_mce_plugins', 'disable_embeds_tiny_mce_plugin' );

 // Remove all embeds rewrite rules.
 add_filter( 'rewrite_rules_array', 'disable_embeds_rewrites' );

 // Remove filter of the oEmbed result before any HTTP requests are made.
 remove_filter( 'pre_oembed_result', 'wp_filter_pre_oembed_result', 10 );
}

add_action( 'init', 'disable_embeds_code_init', 9999 );

function disable_embeds_tiny_mce_plugin($plugins) {
    return array_diff($plugins, array('wpembed'));
}

function disable_embeds_rewrites($rules) {
    foreach($rules as $rule => $rewrite) {
        if(false !== strpos($rewrite, 'embed=true')) {
            unset($rules[$rule]);
        }
    }
    return $rules;
}

function my_deregister_embed_scripts(){
 wp_dequeue_script( 'wp-embed' );
}
add_action( 'wp_footer', 'my_deregister_embed_scripts' );



//Отключаем тесты!*******************

add_filter( 'site_status_tests', function( $tests ) {
 
	// асинхронные запросы находятся в массиве 'async'
	unset( $tests['async']['dotorg_communication'] );// Соединение с WordPress.org
	unset( $tests['async']['background_updates'] );//Фоновые обновления
	unset( $tests['async']['loopback_requests'] );//Петлевой запрос
 
	// синхронные – в массиве 'direct'
	unset( $tests['direct']['rest_availability'] );//Доступность REST API
	
	/*wordpress_version – Версия WordPress,
plugin_version – Версии плагинов,
theme_version – Версии тем,
php_version – Версия PHP,
php_extensions – PHP расширения,
php_default_timezone – Часовой пояс PHP по умолчанию,
sql_server – Версия ПО СУБД,
utf8mb4_support – MySQL поддержка кодировки utf8mb4,
https_status – Статус HTTPS,
ssl_support – Безопасное подключение,
scheduled_events – Запланированные события WP_Cron,
http_requests – HTTP запросы,
debug_enabled – Включена отладка (имеется ввиду WP_DEBUG в wp-config.php),*/
 
	return $tests;
 
} );




//Comments Disable

add_action('admin_init', function () {
    // Redirect any user trying to access comments page
    global $pagenow;
    
    if ($pagenow === 'edit-comments.php') {
        wp_redirect(admin_url());
        exit;
    }

    // Remove comments metabox from dashboard
    remove_meta_box('dashboard_recent_comments', 'dashboard', 'normal');

    // Disable support for comments and trackbacks in post types
    foreach (get_post_types() as $post_type) {
        if (post_type_supports($post_type, 'comments')) {
            remove_post_type_support($post_type, 'comments');
            remove_post_type_support($post_type, 'trackbacks');
        }
    }
});

// Close comments on the front-end
add_filter('comments_open', '__return_false', 20, 2);
add_filter('pings_open', '__return_false', 20, 2);

// Hide existing comments
add_filter('comments_array', '__return_empty_array', 10, 2);

// Remove comments page in menu
add_action('admin_menu', function () {
    remove_menu_page('edit-comments.php');
});

// Remove comments links from admin bar
add_action('init', function () {
    if (is_admin_bar_showing()) {
        remove_action('admin_bar_menu', 'wp_admin_bar_comments_menu', 60);
    }
});


/**
 * Restrict access to the administration screens.
 *
 * Only administrators will be allowed to access the admin screens,
 * all other users will be automatically redirected to
 * 'example.com/path/to/location' instead.
 *
 * We do allow access for Ajax requests though, since these may be
 * initiated from the front end of the site by non-admin users.
 */
function restrict_admin_with_redirect() {

    if ( ! current_user_can( 'manage_options' ) && ( ! wp_doing_ajax() ) ) {
        //wp_safe_redirect( 'https://lekarvostoka.ru' ); // Replace this with the URL to redirect to.
		wp_safe_redirect( home_url('/') );
        exit;
    }
}

add_action( 'admin_init', 'restrict_admin_with_redirect', 1 );

/*Disable author page*****************************************/
function disable_author_page() {
    global $wp_query;

    // If an author page is requested, redirects to the home page
    if ( $wp_query->is_author ) {
        wp_safe_redirect( get_bloginfo( 'url' ), 301 );
        exit;
    }
}
add_action( 'wp', 'disable_author_page' );


//Disable Self Pingback***************************************
function disable_pingback( &$links ) {
 foreach ( $links as $l => $link )
 if ( 0 === strpos( $link, get_option( 'home' ) ) )
 unset($links[$l]);
}
add_action( 'pre_ping', 'disable_pingback' );


//stop heartbeat*********************************************
add_action( 'init', 'stop_heartbeat', 1 );
function stop_heartbeat() {
wp_deregister_script('heartbeat');
}
remove_action( 'admin_enqueue_scripts', 'wp_auth_check_load' );

add_action( 'admin_init', 'disable_autosave' );
function disable_autosave() {
wp_deregister_script( 'autosave' );
}