<?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\']);
?>