Your IP : 192.168.165.1
<?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 contains functions used by the admin pages
*
* @since Moodle 2.1
* @package admin
* @copyright 2011 Andrew Davis
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Return a list of page types
* @param string $pagetype current page type
* @param stdClass $parentcontext Block's parent context
* @param stdClass $currentcontext Current context of block
*/
function admin_page_type_list($pagetype, $parentcontext, $currentcontext) {
$array = array(
'admin-*' => get_string('page-admin-x', 'pagetype'),
$pagetype => get_string('page-admin-current', 'pagetype')
);
return $array;
}
/**
* File serving.
*
* @param stdClass $course The course object.
* @param stdClass $cm The cm object.
* @param context $context The context object.
* @param string $filearea The file area.
* @param array $args List of arguments.
* @param bool $forcedownload Whether or not to force the download of the file.
* @param array $options Array of options.
* @return void|false
*/
function core_admin_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = array()) {
global $CFG;
if (in_array($filearea, ['logo', 'logocompact'])) {
$size = array_shift($args); // The path hides the size.
$itemid = clean_param(array_shift($args), PARAM_INT);
$filename = clean_param(array_shift($args), PARAM_FILE);
$themerev = theme_get_revision();
if ($themerev <= 0) {
// Normalise to 0 as -1 doesn't place well with paths.
$themerev = 0;
}
// Extract the requested width and height.
$maxwidth = 0;
$maxheight = 0;
if (preg_match('/^\d+x\d+$/', $size)) {
list($maxwidth, $maxheight) = explode('x', $size);
$maxwidth = clean_param($maxwidth, PARAM_INT);
$maxheight = clean_param($maxheight, PARAM_INT);
}
$lifetime = 0;
if ($itemid > 0 && $themerev == $itemid) {
// The itemid is $CFG->themerev, when 0 or less no caching. Also no caching when they don't match.
$lifetime = DAYSECS * 60;
}
// Anyone, including guests and non-logged in users, can view the logos.
$options = ['cacheability' => 'public'];
// Check if we've got a cached file to return. When lifetime is 0 then we don't want to cached one.
$candidate = $CFG->localcachedir . "/core_admin/$themerev/$filearea/{$maxwidth}x{$maxheight}/$filename";
if (file_exists($candidate) && $lifetime > 0) {
send_file($candidate, $filename, $lifetime, 0, false, false, '', false, $options);
}
// Find the original file.
$fs = get_file_storage();
$filepath = "/{$context->id}/core_admin/{$filearea}/0/{$filename}";
if (!$file = $fs->get_file_by_hash(sha1($filepath))) {
send_file_not_found();
}
// No need for resizing, but if the file should be cached we save it so we can serve it fast next time.
if (empty($maxwidth) && empty($maxheight)) {
if ($lifetime) {
file_safe_save_content($file->get_content(), $candidate);
}
send_stored_file($file, $lifetime, 0, false, $options);
}
// Proceed with the resizing.
$filedata = $file->resize_image($maxwidth, $maxheight);
if (!$filedata) {
send_file_not_found();
}
// If we don't want to cached the file, serve now and quit.
if (!$lifetime) {
send_content_uncached($filedata, $filename);
}
// Save, serve and quit.
file_safe_save_content($filedata, $candidate);
send_file($candidate, $filename, $lifetime, 0, false, false, '', false, $options);
}
send_file_not_found();
}