- <?php
- class sqlsafe {
- private $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)";
- private $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)";
- private $cookiefilter = "\\\\b(and|or)\\\\b.{1,6}?(=|>|<|\\\\bin\\\\b|\\\\blike\\\\b)|\\\\/\\\\*.+?\\\\*\\\\/|<\\\\s*script\\\\b|\\\\bEXEC\\\\b|UNION.+?SELECT|UPDATE.+?SET|INSERT\\\\s+INTO.+?VALUES|(SELECT|DELETE).+?FROM|(CREATE|ALTER|DROP|TRUNCATE)\\\\s+(TABLE|DATABASE)";
- /**
- * 构造函数
- */
- public function __construct() {
- foreach($_GET as $key=>$value){$this->stopattack($key,$value,$this->getfilter);}
- foreach($_POST as $key=>$value){$this->stopattack($key,$value,$this->postfilter);}
- foreach($_COOKIE as $key=>$value){$this->stopattack($key,$value,$this->cookiefilter);}
- }
- /**
- * 参数检查并写日志
- */
- public function stopattack($StrFiltKey, $StrFiltValue, $ArrFiltReq){
- if(is_array($StrFiltValue))$StrFiltValue = implode($StrFiltValue);
- if (preg_match("/".$ArrFiltReq."/is",$StrFiltValue) == 1){
- $this->writeslog($_SERVER["REMOTE_ADDR"]." ".strftime("%Y-%m-%d %H:%M:%S")." ".$_SERVER["PHP_SELF"]." ".$_SERVER["REQUEST_METHOD"]." ".$StrFiltKey." ".$StrFiltValue);
- showmsg('您提交的参数非法,系统已记录您的本次操作!','',0,1);
- }
- }
- /**
- * SQL注入日志
- */
- public function writeslog($log){
- $log_path = CACHE_PATH.'logs'.DIRECTORY_SEPARATOR.'sql_log.txt';
- $ts = fopen($log_path,"a+");
- fputs($ts,$log."\\r\\n");
- fclose($ts);
- }
- }
- ?>
- //该片段来自于http://www.codesnippet.cn/detail/140820135137.html
来源: http://www.codesnippet.cn/detail/140820135137.html