php简单防盗链实现方法_php技巧
本文实例讲述了php简单防盗链实现方法。分享给大家供大家参考。具体如下：<?php$ADMIN = array( 'defaulturl'=> 'http://blog.qita.in/images/banner-header.gif', //盗链返回的地址 'url_1' => 'http://blog.qita.in/file', 'url_2' => 'http://blog.qita.in/file1',);$okaysites = array( 'http://qita.in', 'http://blog.qita.in', //白名单 'http://blog.qita.in/1.html',);$reffer = $_SERVER['HTTP_REFERER'];if ($reffer) { $yes = 0; while (list($domain, $subarray) = each($okaysites)) { if (ereg($subarray, "$reffer")) { $yes = 1; } } $theu = 'url_' . $_GET['site']; $file = $_GET['file']; if ($ADMIN[$theu] and $yes == 1) { header("Location: $ADMIN[$theu]/$file"); } else { header("Location: $ADMIN[defaulturl]"); }} else { header("Location: $ADMIN[defaulturl]");}print_r($_SERVER['HTTP_REFERER']);?>希望本文所述对大家的php程序设计有所帮助。 |