MDL-25589 removing extra align value
[moodle.git] / theme / yui_combo.php
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60f2c866 1<?php
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2
3// This file is part of Moodle - http://moodle.org/
4//
5// Moodle is free software: you can redistribute it and/or modify
6// it under the terms of the GNU General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// Moodle is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
17
18/**
19 * This file is responsible for serving of yui images
20 *
21 * @package moodlecore
22 * @copyright 2009 Petr Skoda (skodak) {@link http://skodak.org}
23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
24 */
25
26
27// we need just the values from config.php and minlib.php
28define('ABORT_AFTER_CONFIG', true);
29require('../config.php'); // this stops immediately at the beginning of lib/setup.php
30
31// get special url parameters
32if (!$parts = combo_params()) {
33 combo_not_found();
34}
35
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36$parts = trim($parts, '&');
37
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38// find out what we are serving - only one type per request
39$content = '';
40if (substr($parts, -3) === '.js') {
a6338a13 41 $mimetype = 'application/javascript';
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42} else if (substr($parts, -4) === '.css') {
43 $mimetype = 'text/css';
44} else {
45 combo_not_found();
46}
47
48$parts = explode('&', $parts);
77387297 49$cache = true;
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50
51foreach ($parts as $part) {
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52 if (empty($part)) {
53 continue;
54 }
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55 $part = min_clean_param($part, 'SAFEPATH');
56 $bits = explode('/', $part);
57 if (count($bits) < 2) {
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58 $content .= "\n// Wrong combo resource $part!\n";
59 continue;
aa42314d 60 }
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61 //debug($bits);
62 $version = array_shift($bits);
63 if ($version == 'moodle') {
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64 //TODO: this is a ugly hack because we should not load any libs here!
65 define('MOODLE_INTERNAL', true);
3b17690c 66 require_once($CFG->libdir.'/moodlelib.php');
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67 $revision = (int)array_shift($bits);
68 if ($revision === -1) {
69 // Revision -1 says please don't cache the JS
70 $cache = false;
71 }
2b722f87 72 $frankenstyle = array_shift($bits);
3b17690c 73 $filename = array_pop($bits);
2b722f87 74 $dir = get_component_directory($frankenstyle);
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75 if ($mimetype == 'text/css') {
76 $bits[] = 'assets';
77 $bits[] = 'skins';
78 $bits[] = 'sam';
79 }
80 $contentfile = $dir.'/yui/'.join('/', $bits).'/'.$filename;
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81 } else {
82 if ($version != $CFG->yui3version and $version != $CFG->yui2version and $version != 'gallery') {
83 $content .= "\n// Wrong yui version $part!\n";
84 continue;
85 }
86 $contentfile = "$CFG->libdir/yui/$part";
aa42314d 87 }
aa42314d 88 if (!file_exists($contentfile) or !is_file($contentfile)) {
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89 $content .= "\n// Combo resource $part not found!\n";
90 continue;
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91 }
92 $filecontent = file_get_contents($contentfile);
93
94 if ($mimetype === 'text/css') {
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95 if ($version == 'moodle') {
96 $filecontent = preg_replace('/([a-z_-]+)\.(png|gif)/', 'yui_image.php?file='.$version.'/'.$frankenstyle.'/'.array_shift($bits).'/$1.$2', $filecontent);
97 } else if ($version == 'gallery') {
2a102b90 98 // search for all images in gallery module CSS and serve them through the yui_image.php script
2b722f87 99 $filecontent = preg_replace('/([a-z_-]+)\.(png|gif)/', 'yui_image.php?file='.$version.'/'.$bits[0].'/'.$bits[1].'/$1.$2', $filecontent);
2a102b90 100 } else {
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101 // First we need to remove relative paths to images. These are used by YUI modules to make use of global assets.
102 // I've added this as a separate regex so it can be easily removed once
103 // YUI standardise there CSS methods
104 $filecontent = preg_replace('#(\.\./\.\./\.\./\.\./assets/skins/sam/)?([a-z_-]+)\.(png|gif)#', '$2.$3', $filecontent);
105
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106 // search for all images in yui2 CSS and serve them through the yui_image.php script
107 $filecontent = preg_replace('/([a-z_-]+)\.(png|gif)/', 'yui_image.php?file='.$version.'/$1.$2', $filecontent);
108 }
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109 }
110
111 $content .= $filecontent;
112}
113
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114if ($cache) {
115 combo_send_cached($content, $mimetype);
116} else {
117 combo_send_uncached($content, $mimetype);
118}
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119
120
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121/**
122 * Send the JavaScript cached
123 * @param string $content
124 * @param string $mimetype
125 */
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126function combo_send_cached($content, $mimetype) {
127 $lifetime = 60*60*24*300; // 300 days === forever
128
129 header('Content-Disposition: inline; filename="combo"');
130 header('Last-Modified: '. gmdate('D, d M Y H:i:s', time()) .' GMT');
131 header('Expires: '. gmdate('D, d M Y H:i:s', time() + $lifetime) .' GMT');
132 header('Pragma: ');
945f19f7 133 header('Cache-Control: max-age=315360000');
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134 header('Accept-Ranges: none');
135 header('Content-Type: '.$mimetype);
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136 if (!min_enable_zlib_compression()) {
137 header('Content-Length: '.strlen($content));
138 }
aa42314d 139
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140 echo $content;
141 die;
142}
143
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144/**
145 * Send the JavaScript uncached
146 * @param string $content
147 * @param string $mimetype
148 */
149function combo_send_uncached($content, $mimetype) {
150 header('Content-Disposition: inline; filename="combo"');
151 header('Last-Modified: '. gmdate('D, d M Y H:i:s', time()) .' GMT');
152 header('Expires: '. gmdate('D, d M Y H:i:s', time() + 2) .' GMT');
153 header('Pragma: ');
154 header('Accept-Ranges: none');
155 header('Content-Type: '.$mimetype);
156 if (!min_enable_zlib_compression()) {
157 header('Content-Length: '.strlen($content));
158 }
159
160 echo $content;
161 die;
162}
163
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164function combo_not_found() {
165 header('HTTP/1.0 404 not found');
166 die('Combo resource not found, sorry.');
167}
168
169function combo_params() {
170 if (!empty($_SERVER['REQUEST_URI'])) {
171 $parts = explode('?', $_SERVER['REQUEST_URI']);
172 if (count($parts) != 2) {
173 return '';
174 }
175 return $parts[1];
176
177 } else if (!empty($_SERVER['QUERY_STRING'])) {
178 return $_SERVER['QUERY_STRING'];
179
180 } else {
181 return '';
182 }
183}