代码如下:
<?php /* * 防止盗链 *调用url格式:文件名?site=1&file=文件 例,http://www.jb200.com/down.php?site=1&file=validatecode.rar */ $ADMIN[defaulturl] = "http://www.jb200.com/404.htm";//盗链返回的地址 $okaysites = array("http://www.jb200.com/","http://jb200.com"); //白名单 $ADMIN[url_1] = "http://www.jb200.com/download/";//下载地点1 $ADMIN[url_2] = "";//下载地点2,以此类推 $reffer = $HTTP_REFERER; if($reffer) { $yes = 0; while(list($domain, $subarray) = each($okaysites)) { if (ereg($subarray,"$reffer")) { $yes = 1; } } $theu = "url"."_"."$site"; if ($ADMIN[$theu] AND $yes == 1) { header("Location: $ADMIN[$theu]/$file"); } else { header("Location: $ADMIN[defaulturl]"); } } else { header("Location: $ADMIN[defaulturl]"); } ?>