<?php
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define("TOKEN", "qihang");
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$wechatObj = new wechatCallbackapiTest();
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if (isset($_GET['echostr'])) {
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$wechatObj->valid();
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}else{
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$wechatObj->responseMsg();
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}
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class wechatCallbackapiTest
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{
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public function valid()
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{
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$echoStr = $_GET["echostr"];
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//$echoStr = $_GET["echostr"];
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if($this->checkSignature()){
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echo $echoStr;
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exit;
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}
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}
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private function checkSignature()
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{
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// you must define TOKEN by yourself
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if (!defined("TOKEN")) {
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throw new Exception('TOKEN is not defined!');
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}
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$signature = $_GET["signature"];
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$timestamp = $_GET["timestamp"];
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$nonce = $_GET["nonce"];
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$token = TOKEN;
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$tmpArr = array($token, $timestamp, $nonce);
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// use SORT_STRING rule
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sort($tmpArr, SORT_STRING);
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$tmpStr = implode( $tmpArr );
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$tmpStr = sha1( $tmpStr );
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if( $tmpStr == $signature ){
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return true;
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}else{
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return false;
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}
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}
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/*private function checkSignature()
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{
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$signature = $_GET["signature"];
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$timestamp = $_GET["timestamp"];
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$nonce = $_GET["nonce"];
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$token = TOKEN;
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$tmpArr = array($token, $timestamp, $nonce);
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sort($tmpArr);
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$tmpStr = implode( $tmpArr );
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$tmpStr = sha1( $tmpStr );
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if( $tmpStr == $signature ){
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return true;
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}else{
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return false;
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}
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}*/
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public function responseMsg()
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{
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$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
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if (!empty($postStr)){
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$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
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/*$fromUsername = $postObj->FromUserName;
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$toUsername = $postObj->ToUserName;
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$keyword = trim($postObj->Content);
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$time = time();
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$textTpl = "<xml>
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<ToUserName><![CDATA[%s]]></ToUserName>
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<FromUserName><![CDATA[%s]]></FromUserName>
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<CreateTime>%s</CreateTime>
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<MsgType><![CDATA[%s]]></MsgType>
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<Content><![CDATA[%s]]></Content>
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<FuncFlag>0</FuncFlag>
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</xml>";*/
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$RX_TYPE = trim($postObj->MsgType);
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switch ($RX_TYPE)
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{
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case "text":
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$resultStr = $this->receiveText($postObj);
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break;
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case "event":
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$resultStr = $this->receiveEvent($postObj);
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break;
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default:
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$resultStr = "unknow msg type: ".$RX_TYPE;
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break;
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}
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echo $resultStr;
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}else{
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echo "";
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exit;
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}
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}
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private function receiveText($object)
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{
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$fromUsername = $object->FromUserName;
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$toUsername = $object->ToUserName;
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$keyword = strtolower(trim($object->Content));
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$time = time();
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require_once 'responseNews.func.inc.php';
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switch($keyword){
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default:
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$contentStr = "欢迎关注启航双语幼儿园";
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$resultStr = _response_text($object,$contentStr);
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break;
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}
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return $resultStr;
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}
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//事件类别
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private function receiveEvent($object)
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{
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$fromUsername = $object->FromUserName;
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$toUsername = $object->ToUserName;
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$keyword = trim($object->Content);
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$time = time();
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$textTpl = "<xml>
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<ToUserName><![CDATA[%s]]></ToUserName>
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<FromUserName><![CDATA[%s]]></FromUserName>
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<CreateTime>%s</CreateTime>
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<MsgType><![CDATA[%s]]></MsgType>
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<Content><![CDATA[%s]]></Content>
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<FuncFlag>0</FuncFlag>
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</xml>";
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switch ($object->Event)
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{
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case "subscribe"://关注事件，回复关注欢迎语
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require_once 'responseNews.func.inc.php';
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$contentStr = "欢迎关注启航双语幼儿园";
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$resultStr = _response_text($object,$contentStr);
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break;
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}
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return $resultStr;
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}
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}
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?>
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