安全 防XSS跨站 SQL注入
sql注入
<?php
defined('TC_CMS') or exit('Access Denied');
/**
* TC_CMS
* =======================================================
* 版权所有 (C) 2010-2020 www.teamcen.com，并保留所有权利。
* 网站地址: http://www.teamcen.com
* Q Q: 9877633
* -------------------------------------------------------
*
* @author : milkcy <milkcy@foxmail.com>
* @version : v1.0
* =======================================================
*/
class safe {
const getfilter="'|(and|or)\\b.+?(>|<|=|in|like)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
const postfilter="\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
const cookiefilter="\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
public function __construct() {
}
public function initLogHacker() {
foreach($_GET as $key=>$value){
$this->StopAttack($key,$value,self::getfilter);
$_GET[$key] = $this->safe_replace($value);
$_GET[$key] = $this->remove_xss($_GET[$key]);
}
foreach($_COOKIE as $key=>$value){
$this->StopAttack($key,$value,self::cookiefilter);
}
foreach($_POST as $key=>$value){
if (!is_array($value)) {
$_POST[$key] = $this->trim_script($value);
}
$this->StopAttack($key,$value,self::postfilter);
}
}
private function StopAttack($StrFiltKey,$StrFiltValue,$ArrFiltReq){
if(is_array($StrFiltValue)) {
$StrFiltValue=implode($StrFiltValue);
}
if (preg_match("/".$ArrFiltReq."/is",$StrFiltValue)==1){
$attackStr = "<br><br>SubmitIP:".$_SERVER["REMOTE_ADDR"]."<br>SubmitTime:".strftime("%Y-%m-%d %H:%M:%S")."<br>SubmitPage:".$_SERVER["PHP_SELF"]."<br>SubmitMethod:".$_SERVER["REQUEST_METHOD"]."<br>SubmitParams:".$StrFiltKey."<br>SubmitData:".$StrFiltValue;
exit("Illegal operation:" . $attackStr);
}
}
/**
* 安全过滤函数
*
* @param $string
* @return string
*/
private function safe_replace($string) {
$string = str_replace('%20', '', $string);
$string = str_replace('%27', '', $string);
$string = str_replace('%2527', '', $string);
$string = str_replace('*', '', $string);
$string = str_replace('"', '"', $string);
$string = str_replace("'", '', $string);
$string = str_replace('"', '', $string);
$string = str_replace(';', '', $string);
$string = str_replace('<', '<', $string);
$string = str_replace('>', '>', $string);
$string = str_replace("{", '', $string);
$string = str_replace('}', '', $string);
$string = str_replace('\\', '', $string);
$string = str_replace('or', '', $string);
$string = str_replace('insert', '', $string);
$string = str_replace('update', '', $string);
$string = str_replace('delete', '', $string);
$string = str_replace('and', '', $string);
$string = str_replace('union', '', $string);
$string = str_replace('load_file', '', $string);
$string = str_replace('outfil', '', $string);
$string = str_replace('TRUNCATE', '', $string);
return $string;
}
/**
* 转义 javascript 代码标记
*
* @param $str
* @return mixed
*/
private function trim_script($str) {
if (is_array($str)) {
foreach ($str as $key => $val) {
$str[$key] = trim_script($val);
}
} else {
$str = preg_replace('/\<([\/]?)script([^\>]*?)\>/si', '<\\1script\\2>', $str);
$str = preg_replace('/\<([\/]?)iframe([^\>]*?)\>/si', '<\\1iframe\\2>', $str);
$str = preg_replace('/\<([\/]?)frame([^\>]*?)\>/si', '<\\1frame\\2>', $str);
$str = preg_replace('/]]\>/si', ']] >', $str);
}
return $str;
}
/**
* 防止XSS攻击,用在表单textarea中内容过滤较多
*
* @param $str
* @return mixed
*/
private function remove_xss($val) {
$val = preg_replace('/([\x00-\x08,\x0b-\x0c,\x0e-\x19])/', '', $val);
$search = 'abcdefghijklmnopqrstuvwxyz';
$search .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
$search .= '1234567890!@#$%^&*()';
$search .= '~`";:?+/={}[]-_|\'\\';
for ($i = 0; $i < strlen($search); $i++) {
$val = preg_replace('/(&#[xX]0{0,8}' . dechex(ord($search[$i])) . ';?)/i', $search[$i], $val); // with a ;
$val = preg_replace('/(�{0,8}' . ord($search[$i]) . ';?)/', $search[$i], $val); // with a ;
}
$ra1 = array(
'javascript',
'vbscript',
'expression',
'applet',
'meta',
'xml',
'blink',
'link',
'style',
'script',
'embed',
'object',
'iframe',
'frame',
'frameset',
'ilayer',
'layer',
'bgsound',
'title',
'base'
);
$ra2 = array(
'onabort',
'onactivate',
'onafterprint',
'onafterupdate',
'onbeforeactivate',
'onbeforecopy',
'onbeforecut',
'onbeforedeactivate',
'onbeforeeditfocus',
'onbeforepaste',
'onbeforeprint',
'onbeforeunload',
'onbeforeupdate',
'onblur',
'onbounce',
'oncellchange',
'onchange',
'onclick',
'oncontextmenu',
'oncontrolselect',
'oncopy',
'oncut',
'ondataavailable',
'ondatasetchanged',
'ondatasetcomplete',
'ondblclick',
'ondeactivate',
'ondrag',
'ondragend',
'ondragenter',
'ondragleave',
'ondragover',
'ondragstart',
'ondrop',
'onerror',
'onerrorupdate',
'onfilterchange',
'onfinish',
'onfocus',
'onfocusin',
'onfocusout',
'onhelp',
'onkeydown',
'onkeypress',
'onkeyup',
'onlayoutcomplete',
'onload',
'onlosecapture',
'onmousedown',
'onmouseenter',
'onmouseleave',
'onmousemove',
'onmouseout',
'onmouseover',
'onmouseup',
'onmousewheel',
'onmove',
'onmoveend',
'onmovestart',
'onpaste',
'onpropertychange',
'onreadystatechange',
'onreset',
'onresize',
'onresizeend',
'onresizestart',
'onrowenter',
'onrowexit',
'onrowsdelete',
'onrowsinserted',
'onscroll',
'onselect',
'onselectionchange',
'onselectstart',
'onstart',
'onstop',
'onsubmit',
'onunload'
);
$ra = array_merge($ra1, $ra2);
$found = true; // keep replacing as long as the previous round replaced something
while ($found == true) {
$val_before = $val;
for ($i = 0; $i < sizeof($ra); $i++) {
$pattern = '/';
for ($j = 0; $j < strlen($ra[$i]); $j++) {
if ($j > 0) {
$pattern .= '(';
$pattern .= '(&#[xX]0{0,8}([9ab]);)';
$pattern .= '|';
$pattern .= '|(�{0,8}([9|10|13]);)';
$pattern .= ')*';
}
$pattern .= $ra[$i][$j];
}
$pattern .= '/i';
$replacement = substr($ra[$i], 0, 2) . '<x>' . substr($ra[$i], 2); // add in <> to nerf the tag
$val = preg_replace($pattern, $replacement, $val); // filter out the hex tags
if ($val_before == $val) {
// no replacements were made, so exit the loop
$found = false;
}
}
}
return $val;
}
}
?>Copier après la connexion
Copier après la connexion
safe.class.php
<?php
defined('TC_CMS') or exit('Access Denied');
/**
* TC_CMS
* =======================================================
* 版权所有 (C) 2010-2020 www.teamcen.com，并保留所有权利。
* 网站地址: http://www.teamcen.com
* Q Q: 9877633
* -------------------------------------------------------
*
* @author : milkcy <milkcy@foxmail.com>
* @version : v1.0
* =======================================================
*/
class safe {
const getfilter="'|(and|or)\\b.+?(>|<|=|in|like)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
const postfilter="\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
const cookiefilter="\\b(and|or)\\b.{1,6}?(=|>|<|\\bin\\b|\\blike\\b)|\\/\\*.+?\\*\\/|<\\s*script\\b|\\bEXEC\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\s+(TABLE|DATABASE)";
public function __construct() {
}
public function initLogHacker() {
foreach($_GET as $key=>$value){
$this->StopAttack($key,$value,self::getfilter);
$_GET[$key] = $this->safe_replace($value);
$_GET[$key] = $this->remove_xss($_GET[$key]);
}
foreach($_COOKIE as $key=>$value){
$this->StopAttack($key,$value,self::cookiefilter);
}
foreach($_POST as $key=>$value){
if (!is_array($value)) {
$_POST[$key] = $this->trim_script($value);
}
$this->StopAttack($key,$value,self::postfilter);
}
}
private function StopAttack($StrFiltKey,$StrFiltValue,$ArrFiltReq){
if(is_array($StrFiltValue)) {
$StrFiltValue=implode($StrFiltValue);
}
if (preg_match("/".$ArrFiltReq."/is",$StrFiltValue)==1){
$attackStr = "<br><br>SubmitIP:".$_SERVER["REMOTE_ADDR"]."<br>SubmitTime:".strftime("%Y-%m-%d %H:%M:%S")."<br>SubmitPage:".$_SERVER["PHP_SELF"]."<br>SubmitMethod:".$_SERVER["REQUEST_METHOD"]."<br>SubmitParams:".$StrFiltKey."<br>SubmitData:".$StrFiltValue;
exit("Illegal operation:" . $attackStr);
}
}
/**
* 安全过滤函数
*
* @param $string
* @return string
*/
private function safe_replace($string) {
$string = str_replace('%20', '', $string);
$string = str_replace('%27', '', $string);
$string = str_replace('%2527', '', $string);
$string = str_replace('*', '', $string);
$string = str_replace('"', '"', $string);
$string = str_replace("'", '', $string);
$string = str_replace('"', '', $string);
$string = str_replace(';', '', $string);
$string = str_replace('<', '<', $string);
$string = str_replace('>', '>', $string);
$string = str_replace("{", '', $string);
$string = str_replace('}', '', $string);
$string = str_replace('\\', '', $string);
$string = str_replace('or', '', $string);
$string = str_replace('insert', '', $string);
$string = str_replace('update', '', $string);
$string = str_replace('delete', '', $string);
$string = str_replace('and', '', $string);
$string = str_replace('union', '', $string);
$string = str_replace('load_file', '', $string);
$string = str_replace('outfil', '', $string);
$string = str_replace('TRUNCATE', '', $string);
return $string;
}
/**
* 转义 javascript 代码标记
*
* @param $str
* @return mixed
*/
private function trim_script($str) {
if (is_array($str)) {
foreach ($str as $key => $val) {
$str[$key] = trim_script($val);
}
} else {
$str = preg_replace('/\<([\/]?)script([^\>]*?)\>/si', '<\\1script\\2>', $str);
$str = preg_replace('/\<([\/]?)iframe([^\>]*?)\>/si', '<\\1iframe\\2>', $str);
$str = preg_replace('/\<([\/]?)frame([^\>]*?)\>/si', '<\\1frame\\2>', $str);
$str = preg_replace('/]]\>/si', ']] >', $str);
}
return $str;
}
/**
* 防止XSS攻击,用在表单textarea中内容过滤较多
*
* @param $str
* @return mixed
*/
private function remove_xss($val) {
$val = preg_replace('/([\x00-\x08,\x0b-\x0c,\x0e-\x19])/', '', $val);
$search = 'abcdefghijklmnopqrstuvwxyz';
$search .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
$search .= '1234567890!@#$%^&*()';
$search .= '~`";:?+/={}[]-_|\'\\';
for ($i = 0; $i < strlen($search); $i++) {
$val = preg_replace('/(&#[xX]0{0,8}' . dechex(ord($search[$i])) . ';?)/i', $search[$i], $val); // with a ;
$val = preg_replace('/(�{0,8}' . ord($search[$i]) . ';?)/', $search[$i], $val); // with a ;
}
$ra1 = array(
'javascript',
'vbscript',
'expression',
'applet',
'meta',
'xml',
'blink',
'link',
'style',
'script',
'embed',
'object',
'iframe',
'frame',
'frameset',
'ilayer',
'layer',
'bgsound',
'title',
'base'
);
$ra2 = array(
'onabort',
'onactivate',
'onafterprint',
'onafterupdate',
'onbeforeactivate',
'onbeforecopy',
'onbeforecut',
'onbeforedeactivate',
'onbeforeeditfocus',
'onbeforepaste',
'onbeforeprint',
'onbeforeunload',
'onbeforeupdate',
'onblur',
'onbounce',
'oncellchange',
'onchange',
'onclick',
'oncontextmenu',
'oncontrolselect',
'oncopy',
'oncut',
'ondataavailable',
'ondatasetchanged',
'ondatasetcomplete',
'ondblclick',
'ondeactivate',
'ondrag',
'ondragend',
'ondragenter',
'ondragleave',
'ondragover',
'ondragstart',
'ondrop',
'onerror',
'onerrorupdate',
'onfilterchange',
'onfinish',
'onfocus',
'onfocusin',
'onfocusout',
'onhelp',
'onkeydown',
'onkeypress',
'onkeyup',
'onlayoutcomplete',
'onload',
'onlosecapture',
'onmousedown',
'onmouseenter',
'onmouseleave',
'onmousemove',
'onmouseout',
'onmouseover',
'onmouseup',
'onmousewheel',
'onmove',
'onmoveend',
'onmovestart',
'onpaste',
'onpropertychange',
'onreadystatechange',
'onreset',
'onresize',
'onresizeend',
'onresizestart',
'onrowenter',
'onrowexit',
'onrowsdelete',
'onrowsinserted',
'onscroll',
'onselect',
'onselectionchange',
'onselectstart',
'onstart',
'onstop',
'onsubmit',
'onunload'
);
$ra = array_merge($ra1, $ra2);
$found = true; // keep replacing as long as the previous round replaced something
while ($found == true) {
$val_before = $val;
for ($i = 0; $i < sizeof($ra); $i++) {
$pattern = '/';
for ($j = 0; $j < strlen($ra[$i]); $j++) {
if ($j > 0) {
$pattern .= '(';
$pattern .= '(&#[xX]0{0,8}([9ab]);)';
$pattern .= '|';
$pattern .= '|(�{0,8}([9|10|13]);)';
$pattern .= ')*';
}
$pattern .= $ra[$i][$j];
}
$pattern .= '/i';
$replacement = substr($ra[$i], 0, 2) . '<x>' . substr($ra[$i], 2); // add in <> to nerf the tag
$val = preg_replace($pattern, $replacement, $val); // filter out the hex tags
if ($val_before == $val) {
// no replacements were made, so exit the loop
$found = false;
}
}
}
return $val;
}
}
?>Copier après la connexion
Copier après la connexion
Déclaration de ce site Web
Le contenu de cet article est volontairement contribué par les internautes et les droits d'auteur appartiennent à l'auteur original. Ce site n'assume aucune responsabilité légale correspondante. Si vous trouvez un contenu suspecté de plagiat ou de contrefaçon, veuillez contacter admin@php.cn
Outils d'IA chauds
Undresser.AI Undress
Application basée sur l'IA pour créer des photos de nu réalistes
AI Clothes Remover
Outil d'IA en ligne pour supprimer les vêtements des photos.
Undress AI Tool
Images de déshabillage gratuites
Clothoff.io
Dissolvant de vêtements AI
Video Face Swap
Échangez les visages dans n'importe quelle vidéo sans effort grâce à notre outil d'échange de visage AI entièrement gratuit !
Article chaud
Assassin's Creed Shadows: Solution d'énigmes de coquille
3 Il y a quelques semaines
By DDD
Quoi de neuf dans Windows 11 KB5054979 et comment résoudre les problèmes de mise à jour
2 Il y a quelques semaines
By DDD
Où trouver la courte de la grue à atomide atomique
3 Il y a quelques semaines
By DDD
Assassin's Creed Shadows - Comment trouver le forgeron et déverrouiller les armes et la personnalisation des armes
1 Il y a quelques mois
By DDD
<🎜>: Dead Rails - Comment relever chaque défi
3 Il y a quelques semaines
By DDD
Outils chauds
Bloc-notes++7.3.1
Éditeur de code facile à utiliser et gratuit
SublimeText3 version chinoise
Version chinoise, très simple à utiliser
Envoyer Studio 13.0.1
Puissant environnement de développement intégré PHP
Dreamweaver CS6
Outils de développement Web visuel
SublimeText3 version Mac
Logiciel d'édition de code au niveau de Dieu (SublimeText3)
