mirror of
https://github.com/moodle/moodle.git
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123 lines
3.5 KiB
PHP
123 lines
3.5 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle 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 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This file is responsible for serving of yui images
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*
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* @package moodlecore
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* @copyright 2009 Petr Skoda (skodak) {@link http://skodak.org}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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// we need just the values from config.php and minlib.php
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define('ABORT_AFTER_CONFIG', true);
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require('../config.php'); // this stops immediately at the beginning of lib/setup.php
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// get special url parameters
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if (!$parts = combo_params()) {
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combo_not_found();
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}
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$parts = trim($parts, '&');
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// find out what we are serving - only one type per request
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$content = '';
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if (substr($parts, -3) === '.js') {
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$mimetype = 'application/x-javascript';
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} else if (substr($parts, -4) === '.css') {
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$mimetype = 'text/css';
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} else {
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combo_not_found();
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}
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$parts = explode('&', $parts);
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foreach ($parts as $part) {
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if (empty($part)) {
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continue;
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}
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$part = min_clean_param($part, 'SAFEPATH');
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$bits = explode('/', $part);
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if (count($bits) < 2) {
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$content .= "\n// Wrong combo resource $part!\n";
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continue;
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}
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$version = $bits[0];
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if ($version != $CFG->yui3version and $version != $CFG->yui2version) {
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$content .= "\n// Wrong yui version $part!\n";
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continue;
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}
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$contentfile = "$CFG->libdir/yui/$part";
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if (!file_exists($contentfile) or !is_file($contentfile)) {
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$content .= "\n// Combo resource $part not found!\n";
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continue;
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}
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$filecontent = file_get_contents($contentfile);
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if ($mimetype === 'text/css') {
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// search for all images in yui2 CSS and serve them through the yui_image.php script
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$filecontent = preg_replace('/([a-z-]+)\.(png|gif)/', 'yui_image.php?file='.$version.'/$1.$2', $filecontent);
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}
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$content .= $filecontent;
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}
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combo_send_cached($content, $mimetype);
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function combo_send_cached($content, $mimetype) {
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$lifetime = 60*60*24*300; // 300 days === forever
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header('Content-Disposition: inline; filename="combo"');
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header('Last-Modified: '. gmdate('D, d M Y H:i:s', time()) .' GMT');
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header('Expires: '. gmdate('D, d M Y H:i:s', time() + $lifetime) .' GMT');
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header('Pragma: ');
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header('Cache-Control: max-age=315360000');
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header('Accept-Ranges: none');
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header('Content-Type: '.$mimetype);
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if (!min_enable_zlib_compression()) {
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header('Content-Length: '.strlen($content));
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}
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echo $content;
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die;
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}
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function combo_not_found() {
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header('HTTP/1.0 404 not found');
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die('Combo resource not found, sorry.');
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}
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function combo_params() {
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if (!empty($_SERVER['REQUEST_URI'])) {
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$parts = explode('?', $_SERVER['REQUEST_URI']);
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if (count($parts) != 2) {
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return '';
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}
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return $parts[1];
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} else if (!empty($_SERVER['QUERY_STRING'])) {
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return $_SERVER['QUERY_STRING'];
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} else {
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return '';
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}
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}
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