微信消息体加密php版

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互联网集市收集整理的这篇技术教程文章主要介绍了微信消息体加密php版，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含2877字，纯文字阅读大概需要5分钟。

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responseMsg();class wechatCallbackapiTest{	public function valid()    {        $echoStr = $_GET["echostr"];        //valid signature , option        if($this->checkSignature()){        	echo $echoStr;        	exit;        }    }    public function responseMsg()    {		include_once "wxBizMsgCrypt.php";$encodingAesKey = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFG";$token = TOKEN;$timestamp = $_GET["timestamp"];$nonce = $_GET["nonce"];$appId = "wx47224801062443cc";$msg_sign = $_GET["msg_signature"];//解密$pc = new WXBizMsgCrypt($token, $encodingAesKey, $appId);		//get post data, May be due to the different environments		$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];		$msg = '';$errCode = $pc->decryptMsg($msg_sign, $timeStamp, $nonce, $postStr, $msg);if ($errCode == 0) {	$postStr=$msg;	if (!empty($postStr)){                /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,                   the best way is to check the validity of xml by yourself */                libxml_disable_entity_loader(true);              	$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);                $fromUsername = $postObj->FromUserName;                $toUsername = $postObj->ToUserName;                $keyword = trim($postObj->Content);                $time = time();                $textTpl = "																					%s																					0							";             				if(!empty( $keyword ))                {              		$msgType = "text";                	$contentStr = "Welcome to wechat world!";                	$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);					//加密					$encryptMsg = '';$errCode = $pc->encryptMsg($resultStr, $timeStamp, $nonce, $encryptMsg);							if ($errCode == 0) {								echo $encryptMsg ;							} else {								print($errCode . "\n");							}				                }else{                	echo "Input something...";                }        }else {        	echo "";        	exit;        }		} else {	print($errCode . "\n");}		      	//extract post data		    }			private function checkSignature()	{        // you must define TOKEN by yourself        if (!defined("TOKEN")) {            throw new Exception('TOKEN is not defined!');        }                $signature = $_GET["signature"];        $timestamp = $_GET["timestamp"];        $nonce = $_GET["nonce"];        				$token = TOKEN;		$tmpArr = array($token, $timestamp, $nonce);        // use SORT_STRING rule		sort($tmpArr, SORT_STRING);		$tmpStr = implode( $tmpArr );		$tmpStr = sha1( $tmpStr );				if( $tmpStr == $signature ){			return true;		}else{			return false;		}	}}?>

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