<?php

// 接受并且预处理消息

class getMsg {

public $fromUsername;

public $toUsername;

public $keyWord;

public $msgType;

public $time;

public $picUrl;

public $location_X;

public $location_Y;

public $scale;

public $label;

public $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>";

public $NewsTpl = "<xml>

<ToUserName><![CDATA[%s]]></ToUserName>

<FromUserName><![CDATA[%s]]></FromUserName>

<CreatTime>%s</CreateTime>

<MsgType><![CDATA[%s]]></MsgType>

<Content><![CDATA[]]></Content>

<ArticalCount>%s</ArticalCount>

<Articals>

<item>

<Title><![CDATA[%s]]></Title>

<Deacription><![CDATA[%s]]></Desscription>

<PicUrl><![CDATA[%s]]></PicUrl>

<Url><![CDATA[%s]]></Url>

</Item>

</Articals>

<FuncFlag>bool</FuncFlag>

<xml>";

public function __construct() {

// 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 );

$this->fromUserName = $postObj->FromUserName;

$this->toUserName = $postObj->ToUserName;

$this->msgType = $postObj->MsgType;

$this->time = $postObj->CreateTime;

switch ($postObj->MsgType) {

case text :

$this->keyword = $keyword = trim ( $postObj->Content );

case image :

$this->picUrl = $picUrl = $postObj->PicUrl;

case location :

{

$this->location_X = $postObj->Location_X;

$this->location_Y = $postObj->Location_Y;

$this->scale = $postObj->Scale;

$this->label = $postObj->Label;

}

}

} else {

echo "";

exit ();

}

}

public function saveText() {

}

/**

* 下载远程图片

*

* @param string $url

* 图片的绝对url

* @param string $filepath

* 文件的完整路径（包括目录，不包括后缀名,例如/www/images/test）

* ，此函数会自动根据图片url和http头信息确定图片的后缀名

* @return mixed 下载成功返回一个描述图片信息的数组，下载失败则返回false

*/

public function grabImage($url, $filepath) {

// 服务器返回的头信息

$responseHeaders = array ();

// 原始图片名

$originalfilename = '';

// 图片的后缀名

$ext = '';

$ch = curl_init ( $url );

// 设置curl_exec返回的值包含Http头

curl_setopt ( $ch, CURLOPT_HEADER, 1 );

// 设置curl_exec返回的值包含Http内容

curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );

// 设置抓取跳转（http 301，302）后的页面

curl_setopt ( $ch, CURLOPT_FOLLOWLOCATION, 1 );

// 设置最多的HTTP重定向的数量

curl_setopt ( $ch, CURLOPT_MAXREDIRS, 2 );

// 服务器返回的数据（包括http头信息和内容）

$html = curl_exec ( $ch );

// 获取此次抓取的相关信息

$httpinfo = curl_getinfo ( $ch );

curl_close ( $ch );

if ($html !== false) {

// 分离response的header和body，由于服务器可能使用了302跳转，所以此处需要将字符串分离为 2+跳转次数 个子串

$httpArr = explode ( "\r\n\r\n", $html, 2 + $httpinfo ['redirect_count'] );

// 倒数第二段是服务器最后一次response的http头

$header = $httpArr [count ( $httpArr ) - 2];

// 倒数第一段是服务器最后一次response的内容

$body = $httpArr [count ( $httpArr ) - 1];

$header .= "\r\n";

// 获取最后一次response的header信息

preg_match_all ( '/([a-z0-9-_]+):\s*([^\r\n]+)\r\n/i', $header, $matches );

if (! empty ( $matches ) && count ( $matches ) == 3 && ! empty ( $matches [1] ) && ! empty ( $matches [1] )) {

for($i = 0; $i < count ( $matches [1] ); $i ++) {

if (array_key_exists ( $i, $matches [2] )) {

$responseHeaders [$matches [1] [$i]] = $matches [2] [$i];

}

}

}

// 获取图片后缀名

if (0 < preg_match ( '{(?:[^\/\\\\]+)\.(jpg|jpeg|gif|png|bmp)$}i', $url, $matches )) {

$originalfilename = $matches [0];

$ext = $matches [1];

} else {

if (array_key_exists ( 'Content-Type', $responseHeaders )) {

if (0 < preg_match ( '{image/(\w+)}i', $responseHeaders ['Content-Type'], $extmatches )) {

$ext = $extmatches [1];

}

}

}

// 保存文件

if (! empty ( $ext )) {

$filepath .= ".$ext";

// 如果目录不存在，则先要创建目录

CFiles::createDirectory ( dirname ( $filepath ) );

$local_file = fopen ( $filepath, 'w' );

if (false !== $local_file) {

if (false !== fwrite ( $local_file, $body )) {

fclose ( $local_file );

$sizeinfo = getimagesize ( $filepath );

return array (

'filepath' => realpath ( $filepath ),

'width' => $sizeinfo [0],

'height' => $sizeinfo [1],

'orginalfilename' => $originalfilename,

'filename' => pathinfo ( $filepath, PATHINFO_BASENAME )

);

}

}

}

}

return false;

}

//回复文本消息

public function reText($contentStr) {

$resultStr = sprintf ( $this->$textTpl, $this->$fromUsername, $this->$toUsername, $this->$time, $msgType = "text", $contentStr );

echo $resultStr;

}

//回复图文消息

public function reNews($) {

}

}

?>