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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2012 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Combined_Controller extends Controller {
const ALLOW_MAINTENANCE_MODE = true;
const ALLOW_PRIVATE_GALLERY = true;
/**
* Return the combined Javascript bundle associated with the given key.
*/
public function javascript($key) {
return $this->_emit("javascript", $key);
}
/**
* Return the combined CSS bundle associated with the given key.
*/
public function css($key) {
return $this->_emit("css", $key);
}
/**
* Print out a cached entry.
* @param string the combined entry type (either "javascript" or "css")
* @param string the key (typically an md5 sum)
*/
private function _emit($type, $key) {
$input = Input::instance();
// We don't need to save the session for this request
Session::instance()->abort_save();
// Our data is immutable, so if they already have a copy then it needs no updating.
if ($input->server("HTTP_IF_MODIFIED_SINCE")) {
header('HTTP/1.0 304 Not Modified');
header("Expires: Tue, 19 Jan 2038 00:00:00 GMT");
header("Cache-Control: public,max-age=2678400");
header('Pragma: public');
Kohana::close_buffers(false);
return "";
}
if (empty($key)) {
throw new Kohana_404_Exception();
}
$cache = Cache::instance();
$use_gzip = function_exists("gzencode") &&
stripos($input->server("HTTP_ACCEPT_ENCODING"), "gzip") !== false &&
(int) ini_get("zlib.output_compression") === 0;
if ($use_gzip && $content = $cache->get("{$key}_gz")) {
header("Content-Encoding: gzip");
header("Vary: Accept-Encoding");
} else {
// Fall back to non-gzipped if we have to
$content = $cache->get($key);
}
if (empty($content)) {
throw new Kohana_404_Exception();
}
// $type is either 'javascript' or 'css'
if ($type == "javascript") {
header("Content-Type: application/javascript; charset=UTF-8");
} else {
header("Content-Type: text/css; charset=UTF-8");
}
header("Expires: Tue, 19 Jan 2038 00:00:00 GMT");
header("Cache-Control: public,max-age=2678400");
header("Pragma: public");
header("Last-Modified: " . gmdate("D, d M Y H:i:s T", time()));
header("Content-Length: " . strlen($content));
Kohana::close_buffers(false);
print $content;
}
}
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