PHP CURL 模拟登录 SINA 微博

最近工作上有一个需求, 需要获取 http://weibo.com/at/weibo 的数据, 就是 @我自己 的数据, 没有接口, 只能通过抓页面. 下面贴下部分代码 来自: http://summerbluet.com/704

/**
 * 用于模拟新浪微博登录! by CJ ( http://www.summerbluet.com )
 */

/** 定义项目路径 */
define('PROJECT_ROOT_PATH' , dirname(__FILE__));
define('COOKIE_PATH' , PROJECT_ROOT_PATH );

// 通用时间戳
define('TIMESTAMP', time());

// 出现问题的时候可以开启, 调试用的, 会在当前文件夹下面创建 LOG 文件
define('DEBUG', false);

/** 用来做模拟登录的新浪帐号 */
$username = "";
$password = "";

/* Fire Up */
$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;
	}

	/**
	 * CURL请求
	 * @param String $url 请求地址
	 * @param Array $data 请求数据
	 */
	function curlRequest($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;
	}

	/**  @desc CURL 模拟新浪登录 */
	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(v1.3.19)', $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 );
		}
	}

}