砍敺 IT_man 2015-7-19 20:51 蝺刻摩
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. n: C2 k. Y1 I+ v$ C# i8 }! Lhttp://www.alexa.com/ 園Y憒銝憿" x' f1 c9 R" v) X5 r+ O6 K
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# D2 h) o3 ^( E0 a1 f, c, U& C閫瘙箸寞憒銝:
+ [) b; i/ Q8 a; O4 R5 Vsource\class\discuzdiscuz_application.php曉; E5 J" }6 x( A( y; N; g
- private function _xss_check() {1 Q* ] Q( q3 ^, \' ^8 O# u
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- static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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- if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {+ H% R* G7 f) m4 f6 y
- system_error('request_tainting');( y% T( H6 f" _, j3 u
- }
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9 H H" J/ t* a4 y6 P) _3 Y- if($_SERVER['REQUEST_METHOD'] == 'GET' ) {* w k! q, j9 [, |( t @/ D
- $temp = $_SERVER['REQUEST_URI'];: q Y7 h# [6 {: v0 j5 ?+ [' { d' G0 H
- } elseif(empty ($_GET['formhash'])) {
. w8 O* B/ V2 L# u8 x - $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');7 ^. ~" F. A! z' d: A
- } else {
- U% f/ s( q. I& | - $temp = '';( H1 P" W+ _3 n. _/ f; m3 r
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- if(!empty($temp)) {
8 y. J8 B; n- I- O# B$ q2 S - $temp = strtoupper(urldecode(urldecode($temp)));
6 v9 Q: C; G7 k! E! A' R - foreach ($check as $str) {4 o/ Z2 N5 X5 z j o$ i" N
- if(strpos($temp, $str) !== false) {
! O( n5 m7 j2 |4 U0 |$ q - system_error('request_tainting');
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- return true;
銴鋆賭誨蝣 湔挾銴鋆賣:
' y- X2 f: r! U- private function _xss_check() {
% i% s) |7 z. i' O$ @ - $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));: L3 t0 g/ }, E3 s
- if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {4 B; ~ G. ?" ?! U5 t5 M* W3 [
- system_error('request_tainting');! ^4 b4 S/ L' ~
- }
. ]' ^$ u5 {4 m3 Y, f1 J3 T4 t) X" k - return true;
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銴鋆賭誨蝣
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