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[Discuz X3.2] Discuz! System Error---函嗅閮芸隢瘙嗡葉急瘜摮蝚佗撌脩鋡怎頂蝯望蝯[2撘萄]

[銴鋆賡包
頝唾唳摰璅撅
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潸” 2015-7-19 20:45:45 | 芰閰脖 |芰憭批 撣 |甇摨閬 |梯璅∪
砍敺 IT_man 2015-7-19 20:51 蝺刻摩
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, {! P9 Z5 V3 ahttp://www.alexa.com/  園Y憒銝憿% w$ b9 F6 N" M5 G5 l2 x1 ]* w
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- x  Q9 V! _# P) K; Y4 |閫瘙箸寞憒銝:
$ W, A% ?, r1 l' z0 h+ k! Esource\class\discuzdiscuz_application.php曉# Q9 F/ X  N+ m6 [9 N
  1. private function _xss_check() {
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  2. ; W! O. ^2 b8 x! \% y
  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');/ O2 y. m7 h* A% f" r4 @/ L
  4. 8 u0 y, f  @7 u% j* _; I  ^7 }
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {( M. s- q- o0 w& z- o: x
  6.     system_error('request_tainting');6 E" ]# O+ S2 X1 g, {$ @
  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];9 Q7 r9 N; r( a3 T( d! p
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');0 S! K" @" _  G
  13.   } else {% W+ b$ u4 A: @1 w5 }8 Q- P! e2 @
  14.     $temp = '';
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  15.   }; a2 Z9 ]; z% P2 f: {
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  17.   if(!empty($temp)) {  z' j) _  n* H  [# K# o7 F$ C
  18.     $temp = strtoupper(urldecode(urldecode($temp)));% ]  a, D! M7 ~4 H) J9 k# O7 E
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {: C( v$ l! `2 [4 E+ q
  21.       system_error('request_tainting');% A7 t3 Z) n4 D$ Z
  22.     }
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  23.   }
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  25.   @) W3 [  r4 c) k1 V0 O; G5 `
  26.                 return true;
銴鋆賭誨蝣
湔挾銴鋆賣:

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  1. private function _xss_check() {
      {3 }" N! L8 n( I7 c8 o/ e
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
    # j2 H$ t7 E1 `. E" h  B6 v
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
    - |3 Q# m1 `$ e" \! @
  4.                         system_error('request_tainting');- Y; ~! V+ ]8 a2 m6 `9 T
  5.                 }  s/ p- d( Q- t5 Q; H
  6.                 return true;9 ]7 I( H" s8 N& p$ s
  7.         }
銴鋆賭誨蝣
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