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<?php
/*
* 请勿使用windows下的记事本修改本文件。推荐使用 notepad++
* 版本v2.5
* 1.500页面优化
* 2.数据请求增加重试,减少请求失败
* 版本v2.4
* 新增加cdn节点检测
* 版本 v2.3
* 1.500页面展示
* 版本 v2.2
* 1.增加mbstring检测
* 2.错误显示
*版本 v2.1
* 1.增加cache检测
* 2.增加显示debug信息限制
*
* 版本 v2.0
* 1.documentUrl 做兼容解决部分用户二级目录报错
* 2.增加debug信息方便为用户定位错误
*
* 版本 v1.1.0
* 升级日志：
* 1、添加自动更新
* 2、修正缓存的BUG
* 3、添加自动清理cache
* 4、实现http code的转发
*
* 版本 v1.0.1
* 升级日志：
* 1、修正第一次无法打开，需要刷新才能打开的BUG
* 2、添加对二级目录的支持
* 3、添加对非index.php文件名的支持。
*
* */
$appId = '******'; // 站点的APPID （请勿修改和泄漏）
$appKey = '*********';// 站点的APP KEY（请勿修改和泄漏）
$proxyVersion = 10; //代理版本
$autoCleanCache = 100; //自动清除缓存数量限制
//===============================================================================
//===============================================================================
//===============================================================================
//================ 请勿修改以下程序 ====================
//===============================================================================
//===============================================================================
//===============================================================================
$host = "http://cms4.dataoke.com"; //域名
@date_default_timezone_set('Asia/Shanghai'); //设置时区
/*
获取用户浏览器操作系统信息
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36
*/
$test_env = strrpos(@$_SERVER['HTTP_USER_AGENT'], 'test') === false ? false : true;
/*
获取传参方式,并转换成大写
$_SERVER["REQUEST_METHOD"] get
*/
$requestMethod = strtoupper(@$_SERVER["REQUEST_METHOD"]);
/*
取得当前路径 $_SERVER["REQUEST_URI"]
*/
$requestUrl = @$_SERVER["REQUEST_URI"];
if ($test_env) {
ini_set("display_errors", "On");
error_reporting(E_ALL | E_STRICT);
}else{
/*
使用ini_set 修改php.ini的值
ini_set("选项","值");
ini_set("display_errors", "Off");//关闭错误提示
*/
@ini_set("display_errors", "Off");
}
// 获取时间
$css_static = @date('Y-m-d');
$html_500=<<<html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="x-dns-prefetch-control" content="on"/>
<meta name="apple-mobile-web-app-capable" content="yes"/>
<meta content="telephone=no" name="format-detection"/>
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no"/>
<link href="https://cmsstatic.dataoke.com/error/error.css?v={$css_static}" rel="stylesheet">
</head>
<body>
<div class="error_main">
<p class="img"></p>
<p class="text">咦？出错啦，请稍后再试～ </p>
<p class="botton">
<a onclick="window.location.reload();" href="javascript:;" class="botton_par">点击刷新</a>
</p>
</div>
</body>
<script src="https://cmsstatic.dataoke.com/error/error.js?v={$css_static}"></script>
</html>
html;
/*
判断是否已经初始化
*/
if ($test_env && isset($_GET['debug']) && $_GET['debug'] == 'php') {
header("Content-type: text/html; charset=utf-8");
echo 'cms 版本：' . $proxyVersion . '<br>';
echo 'php 版本：' . PHP_VERSION . '<br>';
/*
判断是否已经开启 function_exists
给定的函数已经被定义就返回 TRUE
*/
if (function_exists('curl_init')) {
echo 'curl 已经开启 ' . '<br>';
} else {
echo 'curl <span style="color: red">未开启,请先开启curl扩展，否则无法运行,请联系您的空间或者服务器提供商</span>' . '<br>';
}
if (function_exists('mb_substr')) {
echo 'mbstring 已经开启 ' . '<br>';
} else {
echo 'mbstring <span style="color: red">未开启,请先开启mbstring扩展，否则无法运行</span>' . '<br>';
}
$test_dir = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'cache';//文件存放路径
$test_file = $test_dir . '/test.txt';//文件路径+文件名
/*
判断是否存在,不存在则创建
*/
if (!is_dir($test_dir)) {
@mkdir($this->dir);
}
@file_put_contents($test_file, 'test');
if (file_exists($test_file)) {
echo 'cache：有效<br>';
} else {
echo 'cache <span style="color: red">无效</span>' . '<br>';
}
if(function_exists('gethostbyname')){
echo $host.' --CDN 节点 ---'.gethostbyname(str_replace('http://','',$host)).'<br/>';
echo 'www.dataoke.com --CDN 节点 ---'.gethostbyname("www.dataoke.com");
}
exit;
}
$cache = new CacheHelper();
/*
判断是否含有参数clean,,如果有清除缓存
*/
if (isset($_REQUEST['clean'])) {
$cache->clean();
header("Content-type: text/html; charset=utf-8");
echo '已清除缓存';
exit;
}
/*
设置随机数,随机清楚缓存
*/
if (mt_rand(0, $autoCleanCache) == 1) {
$cache->clean();
}
/*
生成key值
*/
$key = md5($requestUrl . CacheHelper::isMobile() . CacheHelper::isIPad() . CacheHelper::isIPhone() . CacheHelper::isMicroMessenger().CacheHelper::isWeibo());
if ($requestMethod == 'GET') {
/*
判断如果不存在用户浏览器操作系统信息
*/
if (!$test_env) {
$cacheData = $cache->Get($key);
if ($cacheData !== false && !empty($cacheData)) {
@header('Dtk-Cache-Check:2');
echo $cacheData;
exit;
}
}
}
/*
$_SERVER["PHP_SELF"]
当前执行脚本的文件名，与 document root 有关
/quan/index.php
$_SERVER["PHP_SELF"] $_SERVER["SCRIPT_NAME"] $_SERVER["DOCUMENT_URI"] 三区别
*/
$documentUrl = @$_SERVER["PHP_SELF"];
if (empty($documentUrl)) {
$documentUrl = @$_SERVER["SCRIPT_NAME"];
}
if (empty($documentUrl)) {
$documentUrl = @$_SERVER["DOCUMENT_URI"];
}
if (empty($documentUrl)) {
$documentUrl = $requestUrl;
$str_pos = strpos($requestUrl, '?');
if ($str_pos !== false) {
$documentUrl = substr($requestUrl, 0, $str_pos);
}
}
/*
页面加载
*/
//实例化
$httpHelper = new HttpHelper($appId, $appKey, $proxyVersion, $documentUrl);
//获取页面
$html = $httpHelper->getHtml($host, $requestUrl, $requestMethod == 'POST' ? @$_POST : array(), $requestMethod);
if ($requestMethod == 'GET' && $httpHelper->httpCode == 200 && !empty($html) && !$test_env) {
$cache_check = !empty($_COOKIE['cache_check']) ? $_COOKIE['cache_check'] : null;
$expire = empty($cache_check) ? 60 : 600;
@header('Dtk-Cache-Check-time:'.$expire);
$cache->Set($key, $html, $expire);
}
if (!empty($html)) {
echo $html;
}else{
$duration = 3600+time();
@setcookie('cache_check', 1, $duration, '/');
echo $html_500;//如果为空输出500错误
}
exit;
class HttpHelper
{
protected $appId;
protected $key;
protected $documentUrl;
protected $proxyVersion;
protected $upgradeUrl = "http://www.dataoke.com/pmc/upgrade.html";
public $httpCode = 200;
public function __construct($appId, $key, $proxyVersion, $documentUrl)
{
$this->appId = $appId;
$this->key = $key;
$this->documentUrl = $documentUrl;
$this->proxyVersion = $proxyVersion;
}
/**
* @param $url
* @param $requestUrl
* @param array $param
* @param string $method
* @param bool $isAjax
* @param string $cookie
* @param string $refer
* @param null $userAgent
* @param bool $checkNewVersion
* @return string
* 获得HTML页面
*/
public function getHtml($url, $requestUrl, $param = array(), $method = 'GET', $isAjax = null, $cookie = NULL, $refer = null, $userAgent = null, $checkNewVersion = true,$re_try = true)
{
$begin_time = @microtime(true);
if (strpos($requestUrl, 'auth') !== false) {
$url .= '/auth';
}
if($requestUrl=='/favicon.ico'){
exit;
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, 1);
empty($refer) && $refer = @$_SERVER['HTTP_REFERER'];
$ua = $userAgent;
empty($ua) && $ua = @$_SERVER['HTTP_USER_AGENT'];
$curl_time = $re_try == true ? 5 : 40;
curl_setopt($ch, CURLOPT_TIMEOUT, $curl_time);
curl_setopt($ch, CURLOPT_USERAGENT, $ua);
curl_setopt($ch, CURLOPT_REFERER, $refer);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$header = array(
'APPID: ' . $this->appId,
'APPKEY: ' . $this->key,
'PROXY-VERSION: ' . $this->proxyVersion,
'CMS-HOST: ' . @$_SERVER["HTTP_HOST"],
'DOCUMENT-URL: ' . $this->documentUrl,
'REQUEST-URL: ' . $requestUrl,
);
//debug
global $test_env;
if ($test_env && isset($_GET['debug']) && $_GET['debug'] == 'header') {
echo 'CMS-HOST: ' . @$_SERVER["HTTP_HOST"] . '<br>';
echo 'DOCUMENT-URL: ' . $this->documentUrl . '<br>';
echo 'REQUEST-URL: ' . $requestUrl . '<br>';
echo 'api-host: ' . $url . '<br>';
exit;
}
$_isAjax = false;
if ($isAjax) {
$_isAjax = true;
}
if (!$_isAjax && $isAjax === null) {
$_isAjax = $this->getIsAjaxRequest();
}
if ($_isAjax) {
$header[] = 'X-Requested-With: XMLHttpRequest';
}
$clientIp = $this->get_real_ip();
if (!empty($clientIp)) {
$header[] = 'CLIENT-IP: ' . $clientIp;
$header[] = 'X-FORWARDED-FOR: ' . $clientIp;
}
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
if (empty($cookie)) {
$cookie = $_COOKIE;
}
if (is_array($cookie)) {
$str = '';
foreach ($cookie as $k => $v) {
$str .= $k . '=' . $v . '; ';
}
$cookie = $str;
}
if (!empty($cookie)) {
curl_setopt($ch, CURLOPT_COOKIE, $cookie);
}
if (strtolower($method) == 'post') {
curl_setopt($ch, CURLOPT_POST, TRUE);
if ($param) {
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($param));
}
curl_setopt($ch, CURLOPT_URL, $url);
} else {
curl_setopt($ch, CURLOPT_HTTPGET, TRUE);
if ($param) {
$urlInfo = parse_url($url);
$q = array();
if (isset($urlInfo['query']) && !empty($urlInfo['query'])) {
parse_str($urlInfo['query'], $q);
}
$q = array_merge($q, $param);
$cUrl = sprintf('%s://%s%s%s%s',
$urlInfo['scheme'],
$urlInfo['host'],
isset($urlInfo['port']) ? ':' . $urlInfo['port'] : '',
isset($urlInfo['path']) ? $urlInfo['path'] : '',
count($q) ? '?' . http_build_query($q) : '');
curl_setopt($ch, CURLOPT_URL, $cUrl);
} else {
curl_setopt($ch, CURLOPT_URL, $url);
}
}
try {
$r = curl_exec($ch);
$headerSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = mb_substr($r, 0, $headerSize);
$r = mb_substr($r, $headerSize);
$this->httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
} catch (Exception $e) {
return $re_try == true ? $this->getHtml($url, $requestUrl, $param, $method, $isAjax, $cookie, $refer, $userAgent, $checkNewVersion, false) : '';
}
unset($ch);
$headers = explode("\r\n", $header);
//debug
if ($test_env && isset($_GET['debug']) && $_GET['debug'] == 'res') {
var_dump($r);
var_dump($this->httpCode);
exit;
}
//debug
if ($test_env && isset($_GET['debug']) && $_GET['debug'] == 'resheader') {
var_dump($headers);
exit;
}
if ($this->httpCode != 200) {
if (function_exists('http_response_code')) {
http_response_code($this->httpCode);
} else {
if ($this->httpCode !== 302) {
$this->setHttpResponseCode($this->httpCode);
}
}
}
$expires = time() + 300;
foreach ($headers as $h) {
$h = trim($h);
if (empty($h) || preg_match('/^(HTTP|Connection|EagleId|Server|X\-Powered\-By|Date|Transfer\-Encoding|Content)/i', $h)) {
continue;
}
if (strpos($h, 'expires:') !== false) {
$temp_arr = explode(':', $h);
if (!empty($temp_arr[1]) && is_numeric(trim($temp_arr[1]))) {
$expires = intval(trim($temp_arr[1]));
}
}
if (strpos($h, 'Cookie') !== false) {
$h = explode(':', $h);
if (!empty($h[1])) {
$h = explode('=', $h[1]);
if (!empty($h[0]) && !empty($h[1])) {
@setcookie(trim($h[0]), trim($h[1]), $expires);
}
}
} else {
@header($h);
}
}
//debug
if ($test_env && isset($_GET['debug']) && $_GET['debug'] == 'res1') {
var_dump($r);
var_dump($headers);
exit;
}
if($re_try===false){
$Dtk_Cache_Check = 1;
}else{
$Dtk_Cache_Check = 0;
}
$end_time = @microtime(true);
try{
@header('Dtk-Cache-Check-'.$Dtk_Cache_Check.':'.($end_time-$begin_time));
}catch (Exception $e){
}
if ($this->httpCode != 0 && $this->httpCode != 500 && $this->httpCode != 200 && $this->httpCode != 302) {
return false;
}
if($this->httpCode==200 && $checkNewVersion){
foreach ($headers as $h) {
if ( preg_match('/pv:\s*(?P<pv>\d+)/i', $h, $regs)) {
$pv = $regs['pv'];
if ($pv > $this->proxyVersion) {
$this->upgrade();
}
}
}
}
return $re_try == true && empty($r) ? $this->getHtml($url, $requestUrl, $param, $method, $isAjax, $cookie, $refer, $userAgent, $checkNewVersion, false) : $r;
}
protected function upgrade()
{
$php = $this->getHtml($this->upgradeUrl, '', array(), 'GET', false, null, null, null, false);
if ($php === false || strlen($php) < 500) {
return;
}
$php = @json_decode($php, true);
if (empty($php['appid']) || empty($php['appkey']) || empty($php['content']) || $php['appid'] !== $this->appId) {
return;
}
$file = @$_SERVER["DOCUMENT_ROOT"] . $this->documentUrl;
if (!defined("DTK_TYPE")) {
@file_put_contents($file, $php['content'], LOCK_EX);
} else {
$file .= 'req.php';
@file_put_contents($file, $php['content'], LOCK_EX);
}
$cache = new CacheHelper();
$cache->clean();
}
function get_real_ip()
{
if (@$_SERVER["HTTP_X_FORWARDED_FOR"]) {
$ip = @$_SERVER["HTTP_X_FORWARDED_FOR"];
} elseif (@$_SERVER["HTTP_CLIENT_IP"]) {
$ip = @$_SERVER["HTTP_CLIENT_IP"];
} elseif (@$_SERVER["REMOTE_ADDR"]) {
$ip = @$_SERVER["REMOTE_ADDR"];
} elseif (getenv("HTTP_X_FORWARDED_FOR")) {
$ip = getenv("HTTP_X_FORWARDED_FOR");
} elseif (getenv("HTTP_CLIENT_IP")) {
$ip = getenv("HTTP_CLIENT_IP");
} elseif (getenv("REMOTE_ADDR")) {
$ip = getenv("REMOTE_ADDR");
} else {
$ip = "";
}
return $ip;
}
public function getIsAjaxRequest()
{
return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] === 'XMLHttpRequest';
}
public function setHttpResponseCode($code)
{
switch ($code) {
case 100:
$text = 'Continue';
break;
case 101:
$text = 'Switching Protocols';
break;
case 200:
$text = 'OK';
break;
case 201:
$text = 'Created';
break;
case 202:
$text = 'Accepted';
break;
case 203:
$text = 'Non-Authoritative Information';
break;
case 204:
$text = 'No Content';
break;
case 205:
$text = 'Reset Content';
break;
case 206:
$text = 'Partial Content';
break;
case 300:
$text = 'Multiple Choices';
break;
case 301:
$text = 'Moved Permanently';
break;
case 302:
$text = 'Moved Temporarily';
break;
case 303:
$text = 'See Other';
break;
case 304:
$text = 'Not Modified';
break;
case 305:
$text = 'Use Proxy';
break;
case 400:
$text = 'Bad Request';
break;
case 401:
$text = 'Unauthorized';
break;
case 402:
$text = 'Payment Required';
break;
case 403:
$text = 'Forbidden';
break;
case 404:
$text = 'Not Found';
break;
case 405:
$text = 'Method Not Allowed';
break;
case 406:
$text = 'Not Acceptable';
break;
case 407:
$text = 'Proxy Authentication Required';
break;
case 408:
$text = 'Request Time-out';
break;
case 409:
$text = 'Conflict';
break;
case 410:
$text = 'Gone';
break;
case 411:
$text = 'Length Required';
break;
case 412:
$text = 'Precondition Failed';
break;
case 413:
$text = 'Request Entity Too Large';
break;
case 414:
$text = 'Request-URI Too Large';
break;
case 415:
$text = 'Unsupported Media Type';
break;
case 500:
$text = 'Internal Server Error';
break;
case 501:
$text = 'Not Implemented';
break;
case 502:
$text = 'Bad Gateway';
break;
case 503:
$text = 'Service Unavailable';
break;
case 504:
$text = 'Gateway Time-out';
break;
case 505:
$text = 'HTTP Version not supported';
break;
default:
$text = '';
break;
}
$protocol = (isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0');
@header($protocol . ' ' . $code . ' ' . $text);
}
}
/*
清除缓存
*/
class CacheHelper
{
protected $dir = '';
public function __construct()
{
$this->dir = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'cache';
if (is_dir($this->dir)) {
return;
}
@mkdir($this->dir);
}
public function Set($key, $value, $expire = 360)
{
$data = array(
'time' => time(),
'expire' => $expire,
'value' => $value
);
@file_put_contents($this->dir . DIRECTORY_SEPARATOR . md5($key) . 'cache', serialize($data));
}
public function Get($key)
{
$file = $this->dir . DIRECTORY_SEPARATOR . md5($key) . 'cache';
if (!file_exists($file)) {
return false;
}
$str = @file_get_contents($file);
if (empty($str)) {
return false;
}
$data = @unserialize($str);
if (!isset($data['time']) || !isset($data['expire']) || !isset($data['value'])) {
return false;
}
if ($data['time'] + $data['expire'] < time()) {
return false;
}
return $data['value'];
}
static function isMobile()
{
$ua = @$_SERVER['HTTP_USER_AGENT'];
return preg_match('/(iphone|android|Windows\sPhone)/i', $ua);
}
public function clean()
{
if (!empty($this->dir) && is_dir($this->dir)) {
@rmdir($this->dir);
}
$files = @scandir($this->dir);
foreach ($files as $file) {
@unlink($this->dir . DIRECTORY_SEPARATOR . $file);
}
}
static function isWeibo()
{
$ua = @$_SERVER['HTTP_USER_AGENT'];
return preg_match('/Weibo/i', $ua);
}
static function isMicroMessenger()
{
$ua = @$_SERVER['HTTP_USER_AGENT'];
return preg_match('/MicroMessenger/i', $ua);
}
static function isIPhone()
{
$ua = @$_SERVER['HTTP_USER_AGENT'];
return preg_match('/iPhone/i', $ua);
}
static function isIPad()
{
$ua = @$_SERVER['HTTP_USER_AGENT'];
return preg_match('/(iPad|)/i', $ua);
}
}
