mirror of
https://github.com/Pathduck/gallery3.git
synced 2026-06-22 17:29:57 -04:00
3080317d6e
1) Create public javascript() and css() functions and turn __call()
into a private function to protect us against having some random
type show up in there. Otherwise anything you put in the 2nd
argument gets emitted in the header which is a security hole.
2) Fix a bug ("$key = $key[0]") which was breaking functionality.
Eliminate the hex check, it's not really necessary in the majority
case and doesn't hurt us in edge cases.
3) Convert some empty() calls to !, no need for a function call there.
4) Add phpDoc.
83 lines
2.5 KiB
PHP
83 lines
2.5 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) 2000-2009 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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/**
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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, $key) {
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// Our data is immutable, so if they already have a copy then it needs no updating.
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if (!empty($_SERVER["HTTP_IF_MODIFIED_SINCE"])) {
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header('HTTP/1.0 304 Not Modified');
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return;
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}
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if (empty($key)) {
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Kohana::show_404();
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}
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// We don't need to save the session for this request
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Session::abort_save();
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$cache = Cache::instance();
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if (strpos($_SERVER["HTTP_ACCEPT_ENCODING"], "gzip") !== false ) {
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$content = $cache->get("{$key}_gz");
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}
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if (!$content) {
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$content = $cache->get($key);
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}
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if (!$content) {
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Kohana::show_404();
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}
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if (strpos($_SERVER["HTTP_ACCEPT_ENCODING"], "gzip") !== false) {
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header("Content-Encoding: gzip");
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header("Cache-Control: public");
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}
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// $type is either 'javascript' or 'css'
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header("Content-Type: text/$type; charset=UTF-8");
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header("Expires: Tue, 19 Jan 2038 00:00:00 GMT");
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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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