砍敺 IT_man 2015-7-19 20:51 蝺刻摩
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$ b5 ]1 M" z, v4 nhttp://www.alexa.com/ 園Y憒銝憿! M' `, d! Z- i* D" n3 G
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! j. V( a" G: a! d' e閫瘙箸寞憒銝:/ L. ]; K% ~* d1 P# i
source\class\discuzdiscuz_application.php曉, N- j+ X; J4 z, k+ g$ t1 x
- private function _xss_check() {6 Y! S: h7 l$ K: V& J1 X' d, u5 O
- 8 x y g/ c9 ]
- static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');+ V( Y4 F6 ?8 P! G
5 h3 E$ F6 K" `9 ?* [1 ]- if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {% {, `9 O. s# d
- system_error('request_tainting');' M' c# X2 ^% Q' h
- }# y4 f2 \5 S* v& ~ z4 f/ H+ }
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- if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
9 M* k; ?2 G/ {( {2 e - $temp = $_SERVER['REQUEST_URI'];8 k5 r! ?, b- F& v% t
- } elseif(empty ($_GET['formhash'])) {
+ V/ @# h% T) k4 n. M3 ] - $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
; g, j$ O& ~% ?5 B6 T - } else {
+ Q- m/ v% a9 t5 E2 V* a8 v - $temp = '';1 a+ l6 ^/ @: ~
- }
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, ?$ [# _: L7 k* V: Y- Q) k- if(!empty($temp)) {/ g4 V$ s4 T# h- a, d' x; K
- $temp = strtoupper(urldecode(urldecode($temp)));! s% b3 P* j6 m8 L6 E. F
- foreach ($check as $str) {
+ }0 \ O* b" K& ~/ _ - if(strpos($temp, $str) !== false) {; w) j* |! R) ]2 C( ^" w
- system_error('request_tainting');
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- }
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5 Y4 Y( B1 h W* Q+ U- return true;
銴鋆賭誨蝣 湔挾銴鋆賣:
5 K+ e0 U4 ~5 R9 _1 l- private function _xss_check() {, e: P* X( N/ b) o
- $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
7 [/ Z; X( [$ n5 i( j - if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
6 }0 C1 k* R* g) @3 G) W% q - system_error('request_tainting'); `4 D1 s! a9 h4 [
- }
) m9 K0 ?* T' M1 B! v# c4 [# v Z8 } - return true;
4 p8 R4 [; q# P* Y( s8 a( J - }
銴鋆賭誨蝣
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