<?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;
}