通常為了安全會在表單里加入一個隨機的php/213287.html">token值來防止csrf攻擊。
要想模擬提交有token驗證的網站其實也不難。
1.通過正則獲取token
2.帶上獲取到的token模擬提交
下面是一個成功的例子
目錄結構
│ form.phpcms/6381.html">php –需要模擬的表單 │ getForm.php – 模擬提交程序 │ post.php –表單驗證程序 │ └─cookie – cookie存放目錄
getForm.php
<?php$cookie_file = './cookie/'.time().'.cookie';$str = getResponse('http://a.curl.com:81/form.php',[],$cookie_file);setcookie("PHPSESSID", "vc0heoa6lfsi3gger54pkns152");preg_match('/<input name="token" type="hidden" value="(.*)"/U', $str, $match);$post['token'] = $match[1];$post['name'] = '3333333';$post['password'] = '12121213';print_r(getResponse('http://a.curl.com:81/post.php', $post, $cookie_file));function getResponse($url, $data=[], $cookie_file='', $timeout = 3) { if(empty($cookie_file)) { $cookie_file = '.cookie'; } $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_REFERER, "https://www.baidu.com"); //構造來路 curl_setopt($ch, CURLOPT_USERAGENT,"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.59 Safari/537.36"); if(!empty($data)) { curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, $data); } curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file);// 取cookie的參數是 curl_setopt ($ch, CURLOPT_COOKIEFILE, $cookie_file); //發送cookie curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout); try { $handles = curl_exec($ch); curl_close($ch); return $handles; } catch (Exception $e) { echo 'Caught exception: ', $e->getMessage(), "/n"; } unlink($cookie_file); }form.php
<?phpsession_start();$_SESSION['token'] = md5($_SERVER['REQUEST_TIME']);$_SESSION['time'] = date("Y-m-d H:i:s");session_write_close();//echo $_SESSION['auth'];?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"> <head> <title> new document </title> <meta name="generator" content="editplus" /> <meta name="author" content="" /> <meta name="keywords" content="" /> <meta name="description" content="" /> </head> <body><form action="post.php" method="post"> <p><input name="name" type="text"></p> <p><input name="password" type="password"></p> <p><input name="token" type="hidden" value="<?php echo $_SESSION['token']?>"></p> <p><input type="submit"></p></form> </body></html>post.php
<?phpsession_start();if(empty($_POST['token'])){ exit ("token is empty!");}if(empty($_SESSION['token'])){ exit ("session is empty");}if($_POST['token'] != $_SESSION['token']){ exit ("token ");} else{ unset($_SESSION['token']);}echo PHP_EOL;echo "pass";print_r($_REQUEST);echo PHP_EOL;print_r($_SERVER);以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持VeVb武林網。
新聞熱點
疑難解答
圖片精選
