砍敺 IT_man 2015-7-19 20:51 蝺刻摩 3 q) w' z2 J" l/ b) F1 M
$ {4 Y/ w6 _6 y# i* r
; G7 g0 ?" h6 b6 n" A
8 o3 g' n' f" V2 B( q {. c, {* S2 S
/ U0 S+ R5 T( }6 }" A( ohttp://www.alexa.com/ 園Y憒銝憿- G; t! q$ V: f' }' i
3 Y$ L, j' n* f" t& P) V% D; [7 a
% m; f- A9 h+ V0 p9 k& K
閫瘙箸寞憒銝:
. d( z! l0 [5 f* d; T" Rsource\class\discuzdiscuz_application.php曉( O/ v* l$ P+ X2 E9 E
- private function _xss_check() {) m+ S3 l _) y& M a, `
- 1 O# s! h( Q3 E2 f1 h
- static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');9 D( ^( |3 k) }+ U9 i
- 6 O5 [( G {1 w& W9 _
- if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {7 G3 `) w' Q! \# R* G( h2 l2 I9 l& G
- system_error('request_tainting');
( e$ E5 K; j; J" l' L3 X - }% Y2 c9 D2 D8 P1 o+ W1 L
' s1 f# h9 U6 Y @% ?+ r) L: ]% u- if($_SERVER['REQUEST_METHOD'] == 'GET' ) {5 Q; A& Z! Q+ F+ F9 {% M# ]% D
- $temp = $_SERVER['REQUEST_URI'];" y5 l. r; t: p% u0 \1 E
- } elseif(empty ($_GET['formhash'])) {
4 \8 J5 q; x6 R8 m% | - $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input'); M; Q$ Z" q7 O
- } else {) S# U; B0 ~5 i2 L0 D% O# \
- $temp = '';
) X" ^- O j! Z4 @) k1 | - }+ W0 O3 G q0 s# ]% Y9 S
+ w% q. Q% D. o) Q) Q- if(!empty($temp)) {
3 h1 o$ D- b! E) R - $temp = strtoupper(urldecode(urldecode($temp)));6 I h, |9 T( p k$ B( [; P
- foreach ($check as $str) {2 m1 m4 u* }4 ~' z! }7 Q* |- x0 `! a
- if(strpos($temp, $str) !== false) {
8 O8 n# N1 @7 \- m4 D% ] - system_error('request_tainting');% ?! ?. U/ O+ ^. _
- }
$ P: K+ S3 G' O' u - }
6 K* {* u# G" e, x6 t+ o2 N - }; C- j0 H/ L, M- W" b2 s1 f
- 7 ~- H, R& c7 [) v- \/ I* @
- return true;
銴鋆賭誨蝣 湔挾銴鋆賣:
6 P; T4 P2 L% m! o/ L- private function _xss_check() {. W0 M3 O" E# D! w' L
- $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));' B. R$ x3 c e/ z* l3 p
- if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {: u5 _4 i5 [& ?5 U. K' [: l, G- a
- system_error('request_tainting');4 |3 C" ?0 `/ }1 q' j! v3 A& `3 B: B' E
- }" n& b: T9 @, N; t3 r# v1 v
- return true;& W1 w! d5 Q5 p9 u1 f
- }
銴鋆賭誨蝣
- C: l; t! |: F' m# i& Q) j( [/ o, x7 v: w, I2 N1 N" R
( p3 a1 ~) A7 Q4 t
" W. o$ V- {6 m1 X& v |
|