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<?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 the one huge CSS of each theme.
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*
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* @package core
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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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// disable moodle specific debug messages and any errors in output,
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// comment out when debugging or better look into error log!
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define('NO_DEBUG_DISPLAY', true);
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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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require_once("$CFG->dirroot/lib/jslib.php");
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if ($slashargument = min_get_slash_argument()) {
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$slashargument = ltrim($slashargument, '/');
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if (substr_count($slashargument, '/') < 2) {
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header('HTTP/1.0 404 not found');
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die('Slash argument must contain both a revision and a file path');
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}
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// image must be last because it may contain "/"
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list($themename, $rev, $type) = explode('/', $slashargument, 3);
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$themename = min_clean_param($themename, 'SAFEDIR');
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$rev = min_clean_param($rev, 'INT');
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$type = min_clean_param($type, 'SAFEDIR');
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} else {
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$themename = min_optional_param('theme', 'standard', 'SAFEDIR');
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$rev = min_optional_param('rev', -1, 'INT');
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$type = min_optional_param('type', 'head', 'RAW');
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}
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if (!min_is_revision_valid_and_current($rev)) {
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// If the rev is invalid, normalise it to -1 to disable all caching.
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$rev = -1;
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}
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if ($type !== 'head' and $type !== 'footer') {
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header('HTTP/1.0 404 not found');
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die('Theme was not found, sorry.');
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}
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if (file_exists("$CFG->dirroot/theme/$themename/config.php")) {
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// exists
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} else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$themename/config.php")) {
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// exists
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} else {
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header('HTTP/1.0 404 not found');
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die('Theme was not found, sorry.');
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}
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$candidate = "$CFG->localcachedir/theme/$rev/$themename/javascript_$type.js";
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$etag = sha1("$rev/$themename/$type");
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if ($rev > 0 and file_exists($candidate)) {
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if (!empty($_SERVER['HTTP_IF_NONE_MATCH']) || !empty($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
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// we do not actually need to verify the etag value because our files
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// never change in cache because we increment the rev parameter
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js_send_unmodified(filemtime($candidate), $etag);
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}
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js_send_cached($candidate, $etag);
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}
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//=================================================================================
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// ok, now we need to start normal moodle script, we need to load all libs and $DB
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define('ABORT_AFTER_CONFIG_CANCEL', true);
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define('NO_MOODLE_COOKIES', true); // Session not used here
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define('NO_UPGRADE_CHECK', true); // Ignore upgrade check
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require("$CFG->dirroot/lib/setup.php");
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$theme = theme_config::load($themename);
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$themerev = theme_get_revision();
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if ($themerev <= 0 or $rev != $themerev) {
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// Do not send caching headers if they do not request current revision,
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// we do not want to pollute browser caches with outdated JS.
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js_send_uncached($theme->javascript_content($type));
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}
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make_localcache_directory('theme', false);
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js_write_cache_file_content($candidate, core_minify::js_files($theme->javascript_files($type)));
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// Verify nothing failed in cache file creation.
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clearstatcache();
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if (file_exists($candidate)) {
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js_send_cached($candidate, $etag);
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}
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js_send_uncached($theme->javascript_content($type));
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