https wp

gistfile1.php

<?php
/*
Plugin Name: HTTPS everywhere
Plugin URI: http://
Description: HTTPS everywhere
Author: Rickard Andersson
Version: 1.0
Author URI: http://0x539.se/
*/


function https_everywhere() {

        if ($_SERVER['HTTPS'] != "on" && !isset($_SERVER['SPDY_VERSION']) ) {

                $dst = sprintf("https://%s%s", $_SERVER['SERVER_NAME'], $_SERVER['REQUEST_URI']);
                wp_redirect($dst, 301);
                die();
        } else {
                header("Strict-Transport-Security: max-age=500");
                header("X-Content-Type-Options: nosniff");
                header("X-Frame-Options: SAMEORIGIN");

                // if IE 
                header("X-UA-Compatible: IE=edge,chrome=1");
                header("X-XSS-Protection: 1; mode=block");
                // endif 
        }
}

add_action("init", "https_everywhere");