<?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':
		$iswater = $_GET[ "iswater" ];
		/* 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;
}