PHP Curl 携带Cookie 绕过图片验证码登录

第一次访问登录页面, 记录下Cookie并保存, 同时去下载图片验证码到服务器, 利用<img>显示到页面,  等待人工识别后input 提交.

重点是携带Cookie,

 

<?php
@header("content-type:text/html;charset=UTF-8");
/**
 * 携带Cookie模拟登录
 * 绕过图片验证码,人工识别后input提交
 */
function json_to_array($data) {
    $data = json_decode($data,JSON_UNESCAPED_UNICODE);
    return $data;
}
function array_to_json($data) {
    $data = json_encode($data,JSON_UNESCAPED_UNICODE);
    return $data;
}
function http_json_data($postUrl, $postState, $curlPost, $cookiesState){
    $cookie_file = dirname(__FILE__).'/cookie.txt';
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $postUrl);
    if ($cookiesState==1){
        curl_setopt($curl, CURLOPT_COOKIEJAR, $cookie_file);
    }else{
        curl_setopt($curl, CURLOPT_COOKIEFILE, $cookie_file);
    }
    if ($postState==1){
        curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
    }
    curl_setopt($curl, CURLOPT_HEADER, 0);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $data = curl_exec($curl);
    curl_close($curl);
    return $data;
}
if(isset($_REQUEST['tongjiTime'])){
    $chaxunTime = $_REQUEST ['tongjiTime'];
}else{
    $chaxunTime = date('Y-m-d',time());
}
if(isset($_REQUEST['act'])){
    $act = trim($_REQUEST['act']);
}else{
    $act = 'login';
}
if(isset($_REQUEST['checkCode'])){
    $checkCode = trim($_REQUEST['checkCode']);
}else{
    $checkCode = '';
}
$host = 'http://www.xxx.com:8090';
switch($act){
    case 'login':
        $postUrl = $host.'/EnergyTrack/user/login';
        $login = http_json_data($postUrl, $postState = 0, $curlPost = '', $cookiesState = 1);
        //var_dump($login); 
        $postUrl = $host.'/EnergyTrack/VerifyCodeServlet';
        $img = http_json_data($postUrl, $postState=0, $curlPost='', $cookiesState = 0);
        $fp = fopen("verifyCode.jpg","w");
        fwrite($fp,$img);
        fclose($fp);
        echo '<center  style="margin: 100px 0px 0px 0px;">输入图片验证码:';
        echo '<img src="verifyCode.jpg"></center>';
    break;
    case 'authcode':
        $postUrl = $host.'/EnergyTrack/user/login';
        //$code = file_get_contents('1code.txt');
        $curlPost = 'account=账户&password=密码&checkCode='.$checkCode;
        $result = http_json_data($postUrl, $postState=1, $curlPost, $cookiesState=0);
        if(json_to_array($result)['success']==true){

            echo '<center style="margin: 100px 0px 0px 0px;">登录成功 ';
            //跳转(注意cookie)
            echo '<a href="jiudian.php"> 统计</a></center>';
        }
        if(json_to_array($result)['success']==false){
            echo '<center style="margin: 100px 0px 0px 0px;"><a href="?act=login">返回登录</a></center>';
        }
        exit;
    break;
}
?>
<center>
    <form>
        <input type="hidden" name="act" value="authcode">
        <input type="text" name="checkCode" />
        <input type="submit" name="submit" >
    </form>
</center>