微博粉丝平台开发全攻略_PHP教程

<?php
 /**
 * Weibo 粉丝接口
 * @author caigen.li
 * @email it@exynoz.com
 * @date 2014-5-13  
 * 文档参考 
 * 1. http://open.weibo.com/wiki/%E5%BE%AE%E4%BF%A1%E5%BC%80%E5%8F%91%E8%80%85%E8%BF%81%E7%A7%BB%E6%8C%87%E5%8D%97
 * 2. http://open.weibo.com/wiki/%E6%B6%88%E6%81%AF%E6%8E%A8%E9%80%81%E6%9C%8D%E5%8A%A1#.E6.B6.88.E6.81.AF.E6.8E.A8.E9.80.81.E6.9C.8D.E5.8A.A1.E6.A6.82.E8.BF.B0
 */
 
// APPKEY
define("TOKEN", "XXXXXXXXXXXXXXXXX"); 
// APPSECRET
define("SECRET","XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
// access_token,验证url成功后在开发者页面显示
define("ACTOKEN","XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");

$wechatObj = new weiboChatApi();
$wechatObj->valid();

class weiboChatApi
{
	public function valid()
    {
        $echoStr = $_GET["echostr"]; 

        //valid signature , option
        if($this->checkSignature()){
        	echo $echoStr;
        	exit;
        }
    }

    public function responseMsg()
    {
		//get post data, May be due to the different environments
		$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];

      	//extract post data
		if (!empty($postStr)){
                
              	$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
                $fromUsername = $postObj->FromUserName;
                $toUsername = $postObj->ToUserName;
                $keyword = trim($postObj->Content);
                $time = time();
                $textTpl = "<xml>
							<ToUserName><![CDATA[%s]]></ToUserName>
							<FromUserName><![CDATA[%s]]></FromUserName>
							<CreateTime>%s</CreateTime>
							<MsgType><![CDATA[%s]]></MsgType>
							<Content><![CDATA[%s]]></Content>
							<FuncFlag>0</FuncFlag>
							</xml>";             
				if(!empty( $keyword ))
                {
              		$msgType = "text";
                	$contentStr = "Welcome to weibo world!";
                	$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                	echo $resultStr;
                }else{
                	echo "Input something...";
                }

        }else {
        	echo "";
        	exit;
        }
    }
		
	private function checkSignature()
	{
        $signature = $_GET["signature"];
        $timestamp = $_GET["timestamp"];
        $nonce = $_GET["nonce"];	
        		
		$token = SECRET; // 与微信不同,用APP_SECRET验证
		$tmpArr = array($token, $timestamp, $nonce);
		sort($tmpArr, SORT_STRING);
		$tmpStr = implode( $tmpArr );
		$tmpStr = sha1( $tmpStr );
		
		if( $tmpStr == $signature ){
			return true;
		}else{
			return false;
		}
	}
}

?>