砍敺 IT_man 2015-7-19 20:51 蝺刻摩
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http://www.alexa.com/ 園Y憒銝憿 l( v9 l+ J$ J8 s
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source\class\discuzdiscuz_application.php曉; o7 \; g) @; |$ G4 `' y
- private function _xss_check() {/ Q- } ~# W S' u0 a
& _+ o& e" _, v4 L' K! F- static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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- if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
3 _4 o# Z) i B5 e' g - system_error('request_tainting'); ~) @; c0 c( A7 I
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- if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
; |+ X4 W/ ^( {4 G' V# ~ - $temp = $_SERVER['REQUEST_URI'];
`2 Y: M+ J4 b4 j7 D( F/ h - } elseif(empty ($_GET['formhash'])) {
# h; u7 J# j- i) L' `9 k* k5 V Q - $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');& @ l; ]% Z; I8 i
- } else {
* M# W2 ]% f0 n; s# m/ j* f - $temp = '';9 _0 w3 H" _7 x8 O: G
- }
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- if(!empty($temp)) {7 e* O4 b2 U& U* ~3 H& ` Q! j8 G
- $temp = strtoupper(urldecode(urldecode($temp)));
$ j5 E. Z0 A% K/ l" a - foreach ($check as $str) {
+ ]( ^$ Y. {, y' n; N - if(strpos($temp, $str) !== false) {* y @) w' t$ F( M
- system_error('request_tainting');+ W& c$ A o' q% P& v2 W5 K
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- }
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1 t9 E. K% G! n# e" P9 S+ q- return true;
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- private function _xss_check() {) B% m& {7 Y- B. E- _. d
- $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));4 B9 p% o. L- g( o- O) J
- if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
1 T1 K+ S0 b1 E) E - system_error('request_tainting');
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- return true;2 k9 }* H' R4 H9 R6 [# b
- }
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