求大侠指点一下啊

全部代码为：

<?php

/**

 * 用于模拟新浪微博登录! 

 */

define('PROJECT_ROOT_PATH' , dirname(__FILE__));

define('COOKIE_PATH' , PROJECT_ROOT_PATH );

define('TIMESTAMP', time());

define('DEBUG', true);

$username = "xxxx"; 

$password = "xxxxx";

$weiboLogin = new weiboLogin( $username, $password );

exit($weiboLogin->showTestPage( 'http://weibo.com/at/comment' ));

class weiboLogin {

    private $cookiefile;

    private $username;

    private $password;

    function __construct( $username, $password ) 

    {

        ( $username =='' ||  $password=='' ) && exit( "请填写用户名密码" );

        

        $this->cookiefile = COOKIE_PATH.'/cookie_sina_'.substr(base64_encode($username), 0, 10);

        $this->username = $username;

        $this->password = $password;

    }

    function curlRequest($url, $data = false)

    {

        $ch = curl_init();

        $option = array(

                            CURLOPT_URL => $url, 

                            CURLOPT_HEADER => 0, 

                            CURLOPT_HTTPHEADER => array('Accept-Language: zh-cn','Connection: Keep-Alive','Cache-Control: no-cache'), 

                            CURLOPT_USERAGENT => "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.79 Safari/537.1", 

                            CURLOPT_FOLLOWLOCATION => TRUE, 

                            CURLOPT_MAXREDIRS => 4, 

                            CURLOPT_RETURNTRANSFER => TRUE,

                            CURLOPT_COOKIEJAR => $this->cookiefile,

                            CURLOPT_COOKIEFILE => $this->cookiefile

                        );

        if ( $data ) {

            $option[CURLOPT_POST] = 1;

            $option[CURLOPT_POSTFIELDS] = $data;

        }

        curl_setopt_array($ch, $option);

        $response = curl_exec($ch);

        if (curl_errno($ch) > 0) {

            exit("CURL ERROR:$url " . curl_error($ch));

        }

        curl_close($ch);

        return $response;

    }

    function doSinaLogin()

    {

        // Step 1 : Get tickit

        $preLoginData = $this->curlRequest('http://login.sina.com.cn/sso/prelogin.php?entry=weibo&callback=sinaSSOController.preloginCallBack&su=' .

                base64_encode($this->username) . '&client=ssologin.js(v1.3.16)');

        preg_match('/sinaSSOController.preloginCallBack\((.*)\)/', $preLoginData, $preArr);

        $jsonArr = json_decode($preArr[1], true);

        

        $this->debug('debug_1_Tickit', $preArr[1]);

        

        if (is_array($jsonArr)) {

            // Step 2 : Do Certification 

            $postArr = array( 'entry' => 'weibo',

                    'gateway' => 1,

                    'from' => '',

                    'vsnval' => '',

                    'savestate' => 7,

                    'useticket' => 1,

                    'ssosimplelogin' => 1,

                    'su' => base64_encode(urlencode($this->username)),

                    'service' => 'miniblog',

                    'servertime' => $jsonArr['servertime'],

                    'nonce' => $jsonArr['nonce'],

                    'pwencode' => 'wsse',

                    'sp' => sha1(sha1(sha1($this->password)) . $jsonArr['servertime'] . $jsonArr['nonce']),

                    'encoding' => 'UTF-8',

                    'url' => 'http://weibo.com/ajaxlogin.php?framelogin=1&callback=parent.sinaSSOController.feedBackUrlCallBack',

                    'returntype' => 'META');

    

            $loginData = $this->curlRequest('http://login.sina.com.cn/sso/login.php?client=ssologin.js(v1.3.16)', $postArr);

            

            $this->debug('debug_2_Certification_raw', $loginData);

                

            // Step 3 : SSOLoginState

            if ($loginData) {

    

                $matchs = $loginResultArr  =array();

                preg_match('/replace\(\'(.*?)\'\)/', $loginData, $matchs);

                

                $this->debug('debug_3_Certification_result', $matchs[1]); 

                

                $loginResult = $this->curlRequest( $matchs[1] );

                preg_match('/feedBackUrlCallBack\((.*?)\)/', $loginResult, $loginResultArr);

                

                $userInfo = json_decode($loginResultArr[1],true);

                

                $this->debug('debug_4_UserInfo', $loginResultArr[1]); 

            } else {

                exit('Login sina fail.');

            }

        } else {

            exit('Server tickit fail');

        }

    }

    /**  测试登录情况, 调用参考 */

    function showTestPage( $url ) {

        $file_holder = $this->curlRequest( $url );

        // 如果未登录情况, 登录后再尝试

        $isLogin = strpos( $file_holder, 'class="user_name"');

        if ( !$isLogin ){

            unset($file_holder);

            $this->doSinaLogin();

            $file_holder = $this->curlRequest( $url );

        }

        return $file_holder ;

    }   

    /**  调试 */

    function debug( $file_name, $data ) {

        if ( DEBUG ) {

            file_put_contents( $file_name.'.txt', $data );

        }

    }

}