face.php

<?php

/*
Title:      Minecraft Avatar
URL:        http://github.com/jamiebicknell/Minecraft-Avatar
Author:     Jamie Bicknell
Twitter:    @jamiebicknell
*/

$size = isset($_GET['s']) ? max(8, min(250, $_GET['s'])) : 48;
$user = isset($_GET['u']) ? $_GET['u'] : '';
$view = isset($_GET['v']) ? substr($_GET['v'], 0, 1) : 'f';
$view = in_array($view, array('f', 'l', 'r', 'b')) ? $view : 'f';

function get_skin($user)
{
    // Default Steve Skin: http://assets.mojang.com/SkinTemplates/steve.png
    $output = 'iVBORw0KGgoAAAANSUhEUgAAAEAAAABACAYAAACqaXHeAAAFDUlEQVR42u2a20sUURzH97G0LKMotPuWbVpslj1olJ';
    $output .= 'XdjCgyisowsSjzgrB0gSKyC5UF1ZNQWEEQSBQ9dHsIe+zJ/+nXfM/sb/rN4ZwZ96LOrnPgyxzP/M7Z+X7OZc96JpE';
    $output .= 'ISfWrFhK0YcU8knlozeJKunE4HahEqSc2nF6zSEkCgGCyb+82enyqybtCZQWAzdfVVFgBJJNJn1BWFgC49/VpwGVl';
    $output .= 'D0CaxQiA5HSYEwBM5sMAdKTqygcAG9+8coHKY/XXAZhUNgDYuBSPjJL/GkzVVhAEU5tqK5XZ7cnFtHWtq/TahdSw2';
    $output .= 'l0HUisr1UKIWJQBAMehDuqiDdzndsP2EZECAG1ZXaWMwOCODdXqysLf++uXUGv9MhUHIByDOijjdiSAoH3ErANQD7';
    $output .= '3C7TXXuGOsFj1d4YH4OTJAEy8y9Hd0mCaeZ5z8dfp88zw1bVyiYhCLOg1ZeAqC0ybaDttHRGME1DhDeVWV26u17lR';
    $output .= 'APr2+mj7dvULfHw2q65fhQRrLXKDfIxkau3ZMCTGIRR3URR5toU38HbaPiMwUcKfBAkoun09PzrbQ2KWD1JJaqswj';
    $output .= 'deweoR93rirzyCMBCmIQizqoizZkm2H7iOgAcHrMHbbV9KijkUYv7qOn55sdc4fo250e+vUg4329/Xk6QB/6DtOws';
    $output .= '+dHDGJRB3XRBve+XARt+4hIrAF4UAzbnrY0ve07QW8uHfB+0LzqanMM7qVb+3f69LJrD90/1axiEIs6qIs21BTITo';
    $output .= 'ewfcSsA+Bfb2x67OoR1aPPzu2i60fSNHRwCw221Suz0O3jO+jh6V1KyCMGse9721XdN5ePutdsewxS30cwuMjtC86';
    $output .= '0T5JUKpXyKbSByUn7psi5l+juDlZYGh9324GcPKbkycaN3jUSAGxb46IAYPNZzW0AzgiQ5tVnzLUpUDCAbakMQXXr';
    $output .= 'OtX1UMtHn+Q9/X5L4wgl7t37r85OSrx+TYl379SCia9KXjxRpiTjIZTBFOvrV1f8ty2eY/T7XJ81FQAwmA8ASH1ob';
    $output .= '68r5PnBsxA88/xAMh6SpqW4HRnLBrkOA9Xv5wPAZjAUgOkB+SHxgBgR0qSMh0zmZRsmwDJm1gFg2PMDIC8/nAHIMl';
    $output .= 's8x8GgzOsG5WiaqREgYzDvpTwjLDy8NM15LpexDEA3LepjU8Z64my+8PtDCmUyRr+fFwA2J0eAFYA0AxgSgMmYBMZ';
    $output .= 'TwFQnO9RNAEaHOj2DXF5UADmvAToA2ftyxZYA5BqgmZZApDkdAK4mAKo8GzPlr8G8AehzMAyA/i1girUA0HtYB2Ca';
    $output .= 'IkUBEHQ/cBHSvwF0AKZFS5M0ZwMQtEaEAmhtbSUoDADH9ff3++QZ4o0I957e+zYAMt6wHkhzpjkuAcgpwNcpA7AZD';
    $output .= 'LsvpwiuOkBvxygA6Bsvb0HlaeKIF2EbADZpGiGzBsA0gnwQHGOhW2snRpbpPexbAB2Z1oicAMQpTnGKU5ziFKc4xS';
    $output .= 'lOcYpTnOIUpzgVmgo+XC324WfJAdDO/+ceADkCpuMFiFKbApEHkOv7BfzfXt+5gpT8V7rpfYJcDz+jAsB233r6yyB';
    $output .= 'sJ0mlBCDofuBJkel4vOwBFPv8fyYAFPJ+wbSf/88UANNRVy4Awo6+Ig2gkCmgA5DHWjoA+X7AlM//owLANkX0w035';
    $output .= '9od++pvX8fdMAcj3/QJ9iJsAFPQCxHSnQt8vMJ3v2wCYpkhkAOR7vG7q4aCXoMoSgG8hFAuc/grMdAD4B/kHl9da7';
    $output .= 'Ne9AAAAAElFTkSuQmCC';
    $output = base64_decode($output);
    if ($user != '') {
        $ch = curl_init('http://skins.minecraft.net/MinecraftSkins/' . $user . '.png');
        curl_setopt($ch, CURLOPT_HEADER, 1);
        curl_setopt($ch, CURLOPT_NOBODY, 1);
        curl_setopt($ch, CURLOPT_TIMEOUT, 5);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $result = curl_exec($ch);
        $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        if ($status == 301) {
            preg_match('/location:(.*)/i', $result, $matches);
            curl_setopt($ch, CURLOPT_URL, trim($matches[1]));
            curl_setopt($ch, CURLOPT_HEADER, 0);
            curl_setopt($ch, CURLOPT_NOBODY, 0);
            $result = curl_exec($ch);
            $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
            if ($status == 200) {
                $output = $result;
            }
        }
        curl_close($ch);
    }
    return $output;
}

$skin = get_skin($user);

$im = imagecreatefromstring($skin);
$av = imagecreatetruecolor($size, $size);

$x = array('f' => 8, 'l' => 16, 'r' => 0, 'b' => 24);

imagecopyresized($av, $im, 0, 0, $x[$view], 8, $size, $size, 8, 8);         // Face
imagecolortransparent($im, imagecolorat($im, 63, 0));                       // Black Hat Issue
imagecopyresized($av, $im, 0, 0, $x[$view] + 32, 8, $size, $size, 8, 8);    // Accessories

header('Content-type: image/png');
imagepng($av);
imagedestroy($im);
imagedestroy($av);