diff -r 000000000000 -r 7f95f8617b0b vendor/assetic/src/Assetic/Asset/HttpAsset.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/assetic/src/Assetic/Asset/HttpAsset.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,76 @@
+<?php
+
+/*
+ * This file is part of the Assetic package, an OpenSky project.
+ *
+ * (c) 2010-2011 OpenSky Project Inc
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Assetic\Asset;
+
+use Assetic\Filter\FilterInterface;
+
+/**
+ * Represents an asset loaded via an HTTP request.
+ *
+ * @author Kris Wallsmith <kris.wallsmith@gmail.com>
+ */
+class HttpAsset extends BaseAsset
+{
+    private $sourceUrl;
+    private $ignoreErrors;
+
+    /**
+     * Constructor.
+     *
+     * @param string $sourceUrl The source URL
+     * @param array  $filters   An array of filters
+     *
+     * @throws InvalidArgumentException If the first argument is not an URL
+     */
+    public function __construct($sourceUrl, $filters = array(), $ignoreErrors = false)
+    {
+        if (0 === strpos($sourceUrl, '//')) {
+            $sourceUrl = 'http:'.$sourceUrl;
+        } elseif (false === strpos($sourceUrl, '://')) {
+            throw new \InvalidArgumentException(sprintf('"%s" is not a valid URL.', $sourceUrl));
+        }
+
+        $this->sourceUrl = $sourceUrl;
+        $this->ignoreErrors = $ignoreErrors;
+
+        list($scheme, $url) = explode('://', $sourceUrl, 2);
+        list($host, $path) = explode('/', $url, 2);
+
+        parent::__construct($filters, $scheme.'://'.$host, $path);
+    }
+
+    public function load(FilterInterface $additionalFilter = null)
+    {
+        if (false === $content = @file_get_contents($this->sourceUrl)) {
+            if ($this->ignoreErrors) {
+                return;
+            } else {
+                throw new \RuntimeException(sprintf('Unable to load asset from URL "%s"', $this->sourceUrl));
+            }
+        }
+
+        $this->doLoad($content, $additionalFilter);
+    }
+
+    public function getLastModified()
+    {
+        if (false !== @file_get_contents($this->sourceUrl, false, stream_context_create(array('http' => array('method' => 'HEAD'))))) {
+            foreach ($http_response_header as $header) {
+                if (0 === stripos($header, 'Last-Modified: ')) {
+                    list(, $mtime) = explode(':', $header, 2);
+
+                    return strtotime(trim($mtime));
+                }
+            }
+        }
+    }
+}