Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

162 lines (134 sloc) 4.907 kb
<?php
/************************************************************************
* CSS and Javascript Combinator 0.5
* Copyright 2006 by Niels Leenheer
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
$cache = true;
$pullfromcache = false;
$cachedir = dirname(__FILE__) . '/cache';
$cssdir = dirname(__FILE__) . '/css';
$jsdir = dirname(__FILE__) . '/js';
// Determine the directory and type we should use
switch ($_GET['type']) {
case 'css':
$base = realpath($cssdir);
break;
case 'javascript':
$base = realpath($jsdir);
break;
default:
header ("HTTP/1.0 503 Not Implemented");
exit;
};
$type = $_GET['type'];
//$elements = explode(',', $_GET['files']);
include($base . '/manifest.php');
// Determine last modification date of the files
$lastmodified = 0;
while (list(,$element) = each($elements)) {
$path = realpath($base . '/' . $element);
if (($type == 'javascript' && substr($path, -3) != '.js') ||
($type == 'css' && substr($path, -4) != '.css')) {
header ("HTTP/1.0 403 Forbidden");
exit;
}
if (substr($path, 0, strlen($base)) != $base || !file_exists($path)) {
header ("HTTP/1.0 404 Not Found");
exit;
}
$lastmodified = max($lastmodified, filemtime($path));
}
// Send Etag hash
$hash = $lastmodified . '-' . md5(implode('', $elements));
header ("Etag: \"" . $hash . "\"");
if (isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) == '"' . $hash . '"')
{
// Return visit and no modifications, so do not send anything
header ("HTTP/1.0 304 Not Modified");
header ('Content-Length: 0');
}
else
{
// First time visit or files were modified
if ($cache)
{
// Determine supported compression method
$gzip = strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip');
$deflate = strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate');
// Determine used compression method
$encoding = $gzip ? 'gzip' : ($deflate ? 'deflate' : 'none');
// Check for buggy versions of Internet Explorer
if (!strstr($_SERVER['HTTP_USER_AGENT'], 'Opera') &&
preg_match('/^Mozilla\/4\.0 \(compatible; MSIE ([0-9]\.[0-9])/i', $_SERVER['HTTP_USER_AGENT'], $matches)) {
$version = floatval($matches[1]);
if ($version < 6)
$encoding = 'none';
if ($version == 6 && !strstr($_SERVER['HTTP_USER_AGENT'], 'EV1'))
$encoding = 'none';
}
// Try the cache first to see if the combined files were already generated
$cachefile = 'cache-' . $hash . '.' . $type . ($encoding != 'none' ? '.' . $encoding : '');
if (file_exists($cachedir . '/' . $cachefile) && $pullfromcache == true) {
if ($fp = fopen($cachedir . '/' . $cachefile, 'rb')) {
if ($encoding != 'none') {
header ("Content-Encoding: " . $encoding);
}
header ("Content-Type: text/" . $type);
header ("Content-Length: " . filesize($cachedir . '/' . $cachefile));
fpassthru($fp);
fclose($fp);
exit;
}
}
}
// Get contents of the files
$contents = '';
reset($elements);
while (list(,$element) = each($elements)) {
$path = realpath($base . '/' . $element);
$contents .= "\n\n" . file_get_contents($path);
}
// Send Content-Type
header ("Content-Type: text/" . $type);
if (isset($encoding) && $encoding != 'none')
{
// Send compressed contents
$contents = gzencode($contents, 9, $gzip ? FORCE_GZIP : FORCE_DEFLATE);
header ("Content-Encoding: " . $encoding);
header ('Content-Length: ' . strlen($contents));
echo $contents;
}
else
{
// Send regular contents
header ('Content-Length: ' . strlen($contents));
echo $contents;
}
// Store cache
if ($cache) {
if ($fp = fopen($cachedir . '/' . $cachefile, 'wb')) {
fwrite($fp, $contents);
fclose($fp);
}
}
}
Jump to Line
Something went wrong with that request. Please try again.