一个php的防盗链代码

3. /**

4. * @author seraphim
5. * @copyright 2013
6. * url: http:bbs.it-home.org
7. */
8. $ADMIN = array(
9. 'defaulturl'=> 'http://www.xx.com/images/banner-header.gif', //盗链返回的地址
10. 'url_1' => 'http://www.xx.net/file',
11. 'url_2' => 'http://www.xx.net/file1',
12. );
13. $okaysites = array(
14. 'http://box.baidu.com',
15. 'http://tieba.baidu.com/p/1493336008', //白名单
16. 'http://www.xx.com/1.html',
17. );
18. $reffer = $_SERVER['HTTP_REFERER'];
19. if ($reffer) {
20. $yes = 0;
21. while (list($domain, $subarray) = each($okaysites)) {
22. if (ereg($subarray, "$reffer")) {
23. $yes = 1;
24. }
25. }
26. $theu = 'url_' . $_GET['site'];
27. $file = $_GET['file'];
28. if ($ADMIN[$theu] and $yes == 1) {
29. header("Location: $ADMIN[$theu]/$file");
30. } else {
31. header("Location: $ADMIN[defaulturl]");
32. }
33. } else {
34. header("Location: $ADMIN[defaulturl]");
35. }
36. print_r($_SERVER['HTTP_REFERER']);

37. /*

38. url: http://bbs.it-home.org
39. */
40. ?>

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