<?php
//setup
$cache = 1; //1 - OK, 0 - OFF
$url = $_SERVER['QUERY_STRING'];
if (empty($url)) $url = $_SERVER['REDIRECT_QUERY_STRING'];
if ($url == '')
{
    header('HTTP/1.0 404 Not Found');
    die();
}
$mustdel = substr($url, -6) === "&del=1";
if ($mustdel) $url = substr($url, 0, strlen($mustdel) - 7);
$db = new SQLite3('data.db');
$statement = $db->prepare('SELECT real_url FROM proxy_image where my_url = :my_url');
$statement->bindValue(':my_url', "/" . $url);
$result = $statement->execute();
$row = $result->fetchArray();
if ($row == false)
{
    header('HTTP/1.0 404 Not Found');
    die();
}

$url = $row['real_url'];
if ($url == '')
{
    header('HTTP/1.0 404 Not Found');
    die();
}

$mimeType = 'image/jpeg';
if (strstr($url, '.png') != false) $mimeType = 'image/png';
if (strstr($url, '.gif') != false) $mimeType = 'image/gif';

$cachefile = 'images/' . md5($url);
//if(!file_exists($cachefile))
//{
$curl = curl_init($url);
@curl_setopt($curl, CURLOPT_TIMEOUT, 2);
@curl_setopt($curl, CURLOPT_REFERER, $url);
@curl_setopt($curl, CURLOPT_HEADER, 0);
@curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
@curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
@curl_setopt($curl, CURLOPT_BINARYTRANSFER, 1);
@curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
@curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 0);
@curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
@curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
@curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)");
if ($cache) curl_setopt($curl, CURLOPT_FILE, fopen($cachefile, "wb"));
$resp = curl_exec($curl);
//echo var_dump($resp); exit;
curl_close($curl);
//echo $url; exit;
//echo var_dump(getimagesize($url)); exit;
header("Content-Type: $mimeType");

if ($cache)
{
    uniq_image($resp, $mimeType, $cachefile); //uncomment to mirror&rotate
    if (file_exists($cachefile)) unlink($cachefile);


}

function uniq_image($cachefile, $mimeType, $url)
{

    if ($cachefile == false || !@is_array(getimagesize($url)))
    {
        //      echo "no-image"; exit;
        $cachefile = imagecreatetruecolor(600, 600);
        $width = $height = 600;
        $source = $cachefile;
    }
    else
    {
        list($width, $height) = getimagesize($url);
        $source = imagecreatefromstring(file_get_contents($url));
    }

    $newwidth = 600;
    $newheight = 600;

    // Load
    $thumb = imagecreatetruecolor($newwidth, $newheight);
    //
    // Resize
    imagecopyresized($thumb, $source, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);

    $img = $thumb;
    //mirror
    imageflip($img, 1); //1 = IMG_FLIP_HORIZONTAL
    $stamp = imagecreatefrompng('mask.png');

    imagecopy($img, $stamp, 0, 0, 0, 0, 600, 600);

    //save
    switch ($mimeType)
    {
        case 'image/png':
            imagepng($img);
        break;
        case 'image/gif':
            imagegif($img);
        break;
        default:
            imagejpeg($img);
        break;
    }

    //close
    imagedestroy($img);
}
?>