95 lines
3.0 KiB
PHP
95 lines
3.0 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2011 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class Combined_Controller extends Controller {
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const ALLOW_MAINTENANCE_MODE = true;
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const ALLOW_PRIVATE_GALLERY = true;
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/**
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* Return the combined Javascript bundle associated with the given key.
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*/
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public function javascript($key) {
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return $this->_emit("javascript", $key);
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}
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/**
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* Return the combined CSS bundle associated with the given key.
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*/
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public function css($key) {
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return $this->_emit("css", $key);
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}
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/**
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* Print out a cached entry.
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* @param string the combined entry type (either "javascript" or "css")
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* @param string the key (typically an md5 sum)
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*/
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private function _emit($type, $key) {
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$input = Input::instance();
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// We don't need to save the session for this request
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Session::instance()->abort_save();
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// Our data is immutable, so if they already have a copy then it needs no updating.
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if ($input->server("HTTP_IF_MODIFIED_SINCE")) {
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header('HTTP/1.0 304 Not Modified');
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header("Expires: Tue, 19 Jan 2038 00:00:00 GMT");
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header("Cache-Control: max-age=2678400");
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header('Pragma: public');
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Kohana::close_buffers(false);
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return "";
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}
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if (empty($key)) {
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throw new Kohana_404_Exception();
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}
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$cache = Cache::instance();
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$use_gzip = function_exists("gzencode") &&
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stripos($input->server("HTTP_ACCEPT_ENCODING"), "gzip") !== false &&
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(int) ini_get("zlib.output_compression") === 0;
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if ($use_gzip && $content = $cache->get("{$key}_gz")) {
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header("Content-Encoding: gzip");
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} else {
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// Fall back to non-gzipped if we have to
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$content = $cache->get($key);
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}
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if (empty($content)) {
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throw new Kohana_404_Exception();
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}
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// $type is either 'javascript' or 'css'
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if ($type == "javascript") {
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header("Content-Type: application/javascript; charset=UTF-8");
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} else {
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header("Content-Type: text/css; charset=UTF-8");
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}
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header("Expires: Tue, 19 Jan 2038 00:00:00 GMT");
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header("Cache-Control: max-age=2678400");
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header('Pragma: public');
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header("Last-Modified: " . gmdate("D, d M Y H:i:s T", time()));
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Kohana::close_buffers(false);
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print $content;
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}
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}
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