<?php 
include (dirname(__FILE__) . '/../lib/gallery.php');
$gallery = new FlickrGallery();	
$gallery->authenticate("write");
if (!$gallery->checkAuthenticatedUser())
{
  $gallery->error("You do not have permission to replace photos for this account");
}

$id = $_REQUEST['id'];
if (!empty($id))
{
  $size = $_FILES['file']['size'];
  $filename = $_FILES['file']['tmp_name'];

  if (!empty($filename) && is_uploaded_file($filename) && $size > 0)
  {
    $id = $gallery->replacePhoto($filename, $id);
  }
}

header('Location: http://' . $_SERVER['HTTP_HOST'] . dirname($_SERVER['PHP_SELF']) 
  . '/index.php');
 ?>