<?php
//header('Access-Control-Allow-Origin: http://www.baidu.com'); //设置http://www.baidu.com允许跨域访问
//header('Access-Control-Allow-Headers: X-Requested-With,X_Requested_With'); //设置允许的跨域header
date_default_timezone_set("Asia/chongqing");
error_reporting(E_ERROR);
header("Content-Type: text/html; charset=utf-8");

$CONFIG = json_decode(preg_replace("/\/\*[\s\S]+?\*\//", "", file_get_contents("config.json")), true);
$action = $_GET['action'];

switch ($action) {
 case 'config':
 $result = json_encode($CONFIG);
 break;

 /* 上传图片 */
 case 'uploadimage':
 /* 上传涂鸦 */
 case 'uploadscrawl':
 /* 上传视频 */
 case 'uploadvideo':
 /* 上传文件 */
 case 'uploadfile':
 $result = include("action_upload.php");
 break;

 /* 列出图片 */
 case 'listimage':
 $result = include("action_list.php");
 break;
 /* 列出文件 */
 case 'listfile':
 $result = include("action_list.php");
 break;

 /* 抓取远程文件 */
 case 'catchimage':
 $result = include("action_crawler.php");
 break;

 default:
 $result = json_encode(array(
 'state'=> '请求地址出错'
 ));
 break;
}

/* 输出结果 */
if (isset($_GET["callback"])) {
 if (preg_match("/^[\w_]+$/", $_GET["callback"])) {
 echo htmlspecialchars($_GET["callback"]) . '(' . $result . ')';
 } else {
 echo json_encode(array(
 'state'=> 'callback参数不合法'
 ));
 }
} else {
 echo $result;
}