herveguetin
9/27/2013 - 11:46 AM

Avoid displaying history back if referrer is from different domain

Avoid displaying history back if referrer is from different domain

breadcrumbs_history_back_button.phtml
content_copyfile_download
<html>
    <div id="breadcrumbs_back" style="display: none">
        <button class="button" onclick="history.go(-1); return false"><span><span><?php echo $this->__('Back') ?></span></span></button>
    </div>

    <script type="text/javascript">
        var breadcrumbs_back = $('breadcrumbs_back');
        if(breadcrumbs_back) {
            var referrer_host = document.referrer.split('/')[2];
            var host = '<?php echo $_SERVER['HTTP_HOST'] ?>';
            if(referrer_host && referrer_host == host) {
                $('breadcrumbs_back').show();
            }
            else {
                $('breadcrumbs_back').remove();
            }
        }
    </script>
</html>