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32 changes: 31 additions & 1 deletion pp-disable-xml-rpc.php
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,8 @@
* Plugin name: Disable XML-RPC by Progress Planner
* Plugin URI: https://progressplanner.com
* Description: A utility plugin to disable XML-RPC.
* Requires at least: 6.6
* Requires at least: 6.7
* Tested up to: 6.9
* Requires PHP: 7.4
* Version: 1.6.1
* Author: Team Emilia Projects
Expand All @@ -17,4 +18,33 @@
* Text Domain: pp-disable-xml-rpc
*/

// Disable XML-RPC using the 'xmlrpc_enabled' filter.
add_filter( 'xmlrpc_enabled', '__return_false' );

/**
* Die to prevent XMLRPC requests.
*/
function pp_disable_xml_rpc_die() {
wp_die(
__( 'XML-RPC services are disabled on this site.', 'pp-disable-xml-rpc' ),
__( 'XML-RPC Disabled', 'pp-disable-xml-rpc' ),
array( 'response' => 403 )
);
}

// Add an empty class to bypass Core.
class pp_wp_xmlrpc_server {
public function serve_request() {
pp_disable_xml_rpc_die();
}
}
add_filter( 'wp_xmlrpc_server_class', function() {
return 'pp_wp_xmlrpc_server';
} );

// Bail early if XMLRPC_REQUEST is defined.
add_action( 'init', function() {
if ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) {
pp_disable_xml_rpc_die();
}
} );