위챗 개발, 서버 응답

3625 단어
valid();
}else{
    $wechatObj->responseMsg();
}

class wechatCallbackapiTest
{
    public function valid()
    {
        $echoStr = $_GET["echostr"];
        if($this->checkSignature()){
            header('content-type:text');
            echo $echoStr;
            exit;
        }
    }

    private function checkSignature()
    {
        $signature = $_GET["signature"];
        $timestamp = $_GET["timestamp"];
        $nonce = $_GET["nonce"];

        $token = TOKEN;
        $tmpArr = array($token, $timestamp, $nonce);
        sort($tmpArr, SORT_STRING);
        $tmpStr = implode( $tmpArr );
        $tmpStr = sha1( $tmpStr );

        if( $tmpStr == $signature ){
            return true;
        }else{
            return false;
        }
    }
		public function outNews()
		{
			$a = "2
					
					
					
					<description>
					<picurl/>
					<url/>
					</description></item>
					<item>
					<title/>
					<description>
					<picurl/>
					<url/>
					</description></item>
					</articles>
			";
				$xml = "<xml>
                        <tousername/>
                        <fromusername/>
                        <createtime>%s</createtime>
                        <msgtype/>
                        $a
                        </xml>";
         return $xml;
		}
    public function responseMsg()
    {
        $postStr = $GLOBALS["HTTP_RAW_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();
            $msgType = $postObj->MsgType;
            
            $textTpl = "<xml>
                        <tousername/>
                        <fromusername/>
                        <createtime>%s</createtime>
                        <msgtype/>
                        <content/>
                        <funcflag>0</funcflag>
                        </xml>";
            if($keyword == "?" || $keyword == "?")
            {
            #    $msgType = "text";
                $contentStr = date("Y-m-d H:i:s",time()) . $msgType;
                $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                echo $resultStr;
            }else if ( $keyword == 'news'){
								$tpl = $this->outNews();		            	
								echo sprintf($tpl,$toUsername, $fromUsername,$time);
								
            }
            else
            {
            	#	$msgType = "text";
                $contentStr = date("Y-m-d H:i:s",time())  . $keyword. $msgType;
                $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
                echo $resultStr;
            }
        }else{
            echo "NULL";
            exit;
        }
    }
}
?>
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