ShareX receiver

<?php
define('KEYWORD', 'yoursecretwordhere');
define('BASE_URL', 'http://some.site/folder/');

// Assumption: some.site/folder (the fs directory) is owned by the httpd user (usually www-data)
// Assumption: This script is two subfolders below externally visible folder of pictures
//    Example: some.site/folder/secret/location/script.php

/* Detailed setup instructions:
-0-223323-ed-aegis </var/www> cd /web/www/
-0-223326-ed-aegis </web/www> mkdir uplaoder.ocv.me
-0-223330-ed-aegis </web/www> cd uplaoder.ocv.me/
-0-223331-ed-aegis </web/www/uplaoder.ocv.me> wget http://pastebin.com/raw.php?i=9bPXt7Xh
-0-223334-ed-aegis </web/www/uplaoder.ocv.me> mv raw.php\?i\=9bPXt7Xh  index.php
-1-223408-ed-aegis </web/www/uplaoder.ocv.me> mkdir secret1
-0-223411-ed-aegis </web/www/uplaoder.ocv.me> mkdir secret1/secret2
-0-223412-ed-aegis </web/www/uplaoder.ocv.me> mv index.php secret1/secret2/
-0-223421-ed-aegis </web/www/uplaoder.ocv.me> echo no > index.html
-0-223423-ed-aegis </web/www/uplaoder.ocv.me> cd secret1/secret2/
-0-223813-ed-aegis </web/www/uplaoder.ocv.me/secret1/secret2> nano index.php
# define('BASE_URL', 'http://uplaoder.ocv.me/');
-0-224254-ed-aegis </web/www/uplaoder.ocv.me/secret1/secret2> su
-0-224254-root-aegis </web/www/uplaoder.ocv.me/secret1/secret2>  chown nobody.nobody /web/www/uplaoder.ocv.me
*/

http://uplaoder.ocv.me/ShareX_-_Destination_settings_-_CUsersedDocume_2014-07-26_00-56-40.png

header('Cache-Control: no-cache, must-revalidate');
header('Expires: Wed, 09 Sep 2009 09:09:09 GMT');

if (isset($_FILES[KEYWORD]))
{
        if ($_FILES[KEYWORD]['error'] == UPLOAD_ERR_OK)
        {
                // ok
        }
        else die('fup error');
}
else die('nofup');

$file = $_FILES[KEYWORD];
$name = $file['name'];
$name = ltrim($name, "./\\ \t\r\n");
preg_match(
        '/(\.png|\.jpg|\.jpeg|\.gif|\.bmp)$/i',
        $name, $matches);
if (count($matches) == 0) die("nope");

$updir = '../../';
$upfile = $updir . basename($file['name']);
if (move_uploaded_file($file['tmp_name'], $upfile))
{
        echo BASE_URL.$name;
}