wordpress: get and set post meta in xmlrpc

wordpress: get and set post meta in xmlrpc.php

add_filter('xmlrpc_methods', 'my_xmlrpc_methods');
function my_xmlrpc_methods($methods)
{
	$methods['ssz.addnew.post.meta'] = 'ssz_add_new_post_meta';
	$methods['ssz.get.post.meta'] = 'ssz_get_post_meta';
	return $methods;
}


function ssz_get_post_meta($args)
{
	// Parse the arguments, assuming they're in the correct order
    $blodID     = $args[0];
	$username	= $args[1];
	$password	= $args[2];
	$post_id = $args[3];

	global $wp_xmlrpc_server;

	// Let's run a check to see if credentials are okay
	if ( !$user = $wp_xmlrpc_server->login($username, $password) ) {
		return $wp_xmlrpc_server->error;
	}

	//$wp_query = new WP_Query("p=" . $post_id);
	//if ($wp_query->have_posts())
	//{
		$custom_fields = get_post_meta($post_id);
		return $custom_fields;
	//}
	
	return "not found";
}


function ssz_add_new_post_meta($args)
{
	// Parse the arguments, assuming they're in the correct order
    $blodID     = $args[0];
	$username	= $args[1];
	$password	= $args[2];
	$data = $args[3];

	global $wp_xmlrpc_server;

	// Let's run a check to see if credentials are okay
	if ( !$user = $wp_xmlrpc_server->login($username, $password) ) {
		return $wp_xmlrpc_server->error;
	}

	$post_id=$data["post_id"];
	$custom_fields = $data["custom_fields"];
	foreach  ( $custom_fields as $meta_data ){
         update_post_meta($post_id, $meta_data['key'], $meta_data['value']);
    }


	// Just output something ;)
	return "Done!";
}