wordpress_阻止Wordpress上的恶意URL请求

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1. php
2. /*
3. Plugin Name: Block Bad Queries
4. Plugin URI: http://perishablepress.com/press/2009/12/22/protect-wordpress-against-malicious-url-requests/
5. Description: Protect WordPress Against Malicious URL Requests
6. Author URI: http://perishablepress.com/
7. Author: Perishable Press
8. Version: 1.0
9. */
10. global $user_ID; if&＃40;$user_ID&＃41; &＃123;
11. if&＃40;!current_user_can&＃40;'level_10'&＃41;&＃41; &＃123;
12. if &＃40;strlen&＃40;$_SERVER&＃91;'REQUEST_URI'&＃93;&＃41; > 255 ||
13. strpos&＃40;$_SERVER&＃91;'REQUEST_URI'&＃93;, "eval("&＃41; ||
14. strpos&＃40;$_SERVER&＃91;'REQUEST_URI'&＃93;, "CONCAT"&＃41; ||
15. strpos&＃40;$_SERVER&＃91;'REQUEST_URI'&＃93;, "UNION+SELECT"&＃41; ||
16. strpos&＃40;$_SERVER&＃91;'REQUEST_URI'&＃93;, "base64"&＃41;&＃41; &＃123;
17. @header&＃40;"HTTP/1.1 414 Request-URI Too Long"&＃41;;
18. @header&＃40;"Status: 414 Request-URI Too Long"&＃41;;
19. @header&＃40;"Connection: Close"&＃41;;
20. @exit;
21. &＃125;
22. &＃125;
23. &＃125;
24. ?>