<?php
defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * Class Ueditor文件管理类
 */
class Ueditor extends MY_Controller
{
    function __construct()
    {
        parent::__construct();
    }

    /**
     *Ueditor 文件管理（上传图片、附件、涂鸦、文件等）
     */
    public function index()
    {
        $CONFIG = json_decode(preg_replace("/\/\*[\s\S]+?\*\//", "", file_get_contents(APPPATH.DIRECTORY_SEPARATOR."config".DIRECTORY_SEPARATOR."config.json")), true);
        $action = $this->input->get("action", true);
        switch ($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(APPPATH.DIRECTORY_SEPARATOR."libraries".DIRECTORY_SEPARATOR."action_upload.php");
                break;

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

            /* 抓取远程文件 */
            case 'catchimage':
                $result = include(APPPATH.DIRECTORY_SEPARATOR."libraries".DIRECTORY_SEPARATOR."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;
        }
    }
}