MDL-21189 yui2/3 combo loader implemented - yay! admin settings in the next commit; yui libs stored in more standard locations

2025-08-05 00:46:50 +02:00 · 2009-12-25 22:37:04 +00:00 · 2009-12-25 22:37:04 +00:00 · aa42314ded
commit aa42314ded
parent 60f2c8666a
842 changed files with 137 additions and 12 deletions
--- a/theme/yui_combo.php
+++ b/theme/yui_combo.php
@ -1 +1,112 @@
 <?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle 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 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * This file is responsible for serving of yui images
+ *
+ * @package   moodlecore
+ * @copyright 2009 Petr Skoda (skodak)  {@link http://skodak.org}
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+// we need just the values from config.php and minlib.php
+define('ABORT_AFTER_CONFIG', true);
+require('../config.php'); // this stops immediately at the beginning of lib/setup.php
+
+// get special url parameters
+if (!$parts = combo_params()) {
+    combo_not_found();
+}
+
+// find out what we are serving - only one type per request
+$content = '';
+if (substr($parts, -3) === '.js') {
+    $mimetype = 'application/x-javascript';
+} else if (substr($parts, -4) === '.css') {
+    $mimetype = 'text/css';
+} else {
+    combo_not_found();
+}
+
+$parts = explode('&', $parts);
+
+foreach ($parts as $part) {
+    $part = min_clean_param($part, 'SAFEPATH');
+    $bits = explode('/', $part);
+    if (count($bits) < 2) {
+        combo_not_found();
+    }
+    $version = $bits[0];
+    if ($version != $CFG->yui3version and $version != $CFG->yui2version) {
+        combo_not_found();
+    }
+    $contentfile = "$CFG->libdir/yui/$part";
+    if (!file_exists($contentfile) or !is_file($contentfile)) {
+        combo_not_found();
+    }
+    $filecontent = file_get_contents($contentfile);
+
+    if ($mimetype === 'text/css') {
+        // search for all images in yui2 CSS and serve them through the yui_image.php script
+        $filecontent = preg_replace('/([a-z-]+)\.(png|gif)/', 'yui_image.php?file='.$version.'/$1.$2', $filecontent);
+    }
+
+    $content .= $filecontent;
+}
+
+
+combo_send_cached($content, $mimetype);
+
+
+
+function combo_send_cached($content, $mimetype) {
+    $lifetime = 60*60*24*300; // 300 days === forever
+
+    header('Content-Disposition: inline; filename="combo"');
+    header('Last-Modified: '. gmdate('D, d M Y H:i:s', time()) .' GMT');
+    header('Expires: '. gmdate('D, d M Y H:i:s', time() + $lifetime) .' GMT');
+    header('Pragma: ');
+    header('Accept-Ranges: none');
+    header('Content-Type: '.$mimetype);
+    header('Content-Length: '.strlen($content));
+
+    while (@ob_end_flush()); //flush the buffers - save memory and disable sid rewrite
+    echo $content;
+    die;
+}
+
+function combo_not_found() {
+    header('HTTP/1.0 404 not found');
+    die('Combo resource not found, sorry.');
+}
+
+function combo_params() {
+    if (!empty($_SERVER['REQUEST_URI'])) {
+        $parts = explode('?', $_SERVER['REQUEST_URI']);
+        if (count($parts) != 2) {
+            return '';
+        }
+        return $parts[1];
+
+    } else if (!empty($_SERVER['QUERY_STRING'])) {
+        return $_SERVER['QUERY_STRING'];
+
+    } else {
+        return '';
+    }
+}