<?php

/*
 * TinyMCE Image uploader!
 */
mb_internal_encoding("utf-8"); // Internal encoding set to UTF-8, should fix some charset issues.

session_start(); // Start PHP session, so we can handle session-data on all pages.

require_once("include.php");

/* * *************************************************
 * Only these origins are allowed to upload images *
 * ************************************************* */
$accepted_origins = array("http://localhost", "https://localhost", "https://127.0.0.1", "http://127.0.0.1");

/* * *******************************************
 * Change this line to set the upload folder *
 * ******************************************* */
$cwd = getcwd();
$imageFolder = $cwd .'/'. Config::$file_path;

reset($_FILES);
$temp = current($_FILES);
if (is_uploaded_file($temp['tmp_name'])) {
    /* if (isset($_SERVER['HTTP_ORIGIN'])) {
      // same-origin requests won't set an origin. If the origin is set, it must be valid.
      if (in_array($_SERVER['HTTP_ORIGIN'], $accepted_origins)) {
      header('Access-Control-Allow-Origin: ' . $_SERVER['HTTP_ORIGIN']);
      } else {
      header("HTTP/1.1 403 Origin Denied");
      return;
      }
      } */

    if (!User::checkLevel("75")) {
        header("HTTP/1.1 403 Origin Denied");
        return;
    }

    /*
      If your script needs to receive cookies, set images_upload_credentials : true in
      the configuration and enable the following two headers.
     */
    // header('Access-Control-Allow-Credentials: true');
    // header('P3P: CP="There is no P3P policy."');
    // Sanitize input
    if (preg_match("/([^\w\s\d\-_~,;:\[\]\(\).])|([\.]{2,})/", $temp['name'])) {
        header("HTTP/1.1 400 Invalid file name.");
        return;
    }

    // Verify extension
    if (!in_array(strtolower(pathinfo($temp['name'], PATHINFO_EXTENSION)), array("gif", "jpg", "png"))) {
        header("HTTP/1.1 400 Invalid extension.");
        return;
    }

    // Accept upload if there was no origin, or if it is an accepted origin
    $filetowrite = $imageFolder . $temp['name'];
    move_uploaded_file($temp['tmp_name'], $filetowrite);

    // Respond to the successful upload with JSON.
    // Use a location key to specify the path to the saved image resource.
    // { location : '/your/uploaded/image/file'}
    echo json_encode(array('location' => Config::$sys_url.Config::$file_path.$temp['name']));
} else {
    // Notify editor that the upload failed
    header("HTTP/1.1 500 Server Error");
}