砍敺 IT_man 2015-7-19 20:51 蝺刻摩 + z, Q( J. S' t1 Q" S
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# E5 @8 i4 u+ J$ uhttp://www.alexa.com/ 園Y憒銝憿
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source\class\discuzdiscuz_application.php曉1 n$ l: \: F2 K3 h. N
- private function _xss_check() {6 c2 t ~ n |; b
0 z; t3 \4 @$ s* |' | E; u( g- static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');% C9 A3 X% J# n; `7 i1 E
* b+ D5 C; s. b0 s+ Y2 j- b- if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {/ N) {- i& Z1 d+ L
- system_error('request_tainting');
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- if($_SERVER['REQUEST_METHOD'] == 'GET' ) {# v7 S& i, N1 j" w
- $temp = $_SERVER['REQUEST_URI'];% _: c; k8 d* [
- } elseif(empty ($_GET['formhash'])) {3 V9 f5 q: d) G* _% ~5 c
- $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
6 y& {) {1 C/ A( u - } else {
4 _7 U. l( l0 w7 i% q4 g. h - $temp = '';
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- if(!empty($temp)) {/ H7 ]; I% D" r# i# X8 S: l0 ~+ v
- $temp = strtoupper(urldecode(urldecode($temp)));
' t* G" `) A, F - foreach ($check as $str) {; e! T- w, Y C: I! W
- if(strpos($temp, $str) !== false) {
! O7 T! @6 f: N, Z/ G2 U: |! g/ @ - system_error('request_tainting');6 ?9 q* Q w7 c! C8 z0 s' j
- }
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1 F n+ D9 a" ^2 \- return true;
銴鋆賭誨蝣 湔挾銴鋆賣:
! A# L9 t# c; ~" z$ {- private function _xss_check() {
$ `& @/ s* O* M; x2 K - $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));3 U, D, W, z$ U% Y
- if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {7 V( q3 m# `% {3 Y
- system_error('request_tainting');
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- return true;% Y9 h/ k: y- K( ]# P( h
- }
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