You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.6 KiB
86 lines
2.6 KiB
<?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/>.
|
|
|
|
/**
|
|
* X-Sendfile support
|
|
*
|
|
* @package core_files
|
|
* @copyright 2012 Petr Skoda {@link http://skodak.org}
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
|
|
//NOTE: do not verify MOODLE_INTERNAL here, this is used from themes too
|
|
|
|
/**
|
|
* Serve file using X-Sendfile header, this needs special server module
|
|
* or configuration. Please make sure that all headers are already sent
|
|
* and the all access control checks passed.
|
|
*
|
|
* @param string $filepath
|
|
* @return bool success
|
|
*/
|
|
function xsendfile($filepath) {
|
|
global $CFG;
|
|
|
|
if (empty($CFG->xsendfile)) {
|
|
return false;
|
|
}
|
|
|
|
if (!file_exists($filepath)) {
|
|
return false;
|
|
}
|
|
|
|
if (headers_sent()) {
|
|
return false;
|
|
}
|
|
|
|
$filepath = realpath($filepath);
|
|
|
|
$aliased = false;
|
|
if (!empty($CFG->xsendfilealiases) and is_array($CFG->xsendfilealiases)) {
|
|
foreach ($CFG->xsendfilealiases as $alias=>$dir) {
|
|
$dir = realpath($dir);
|
|
if ($dir === false) {
|
|
continue;
|
|
}
|
|
if (substr($dir, -1) !== DIRECTORY_SEPARATOR) {
|
|
// add trailing dir separator
|
|
$dir .= DIRECTORY_SEPARATOR;
|
|
}
|
|
if (strpos($filepath, $dir) === 0) {
|
|
$filepath = $alias.substr($filepath, strlen($dir));
|
|
$aliased = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($CFG->xsendfile === 'X-LIGHTTPD-send-file') {
|
|
// http://redmine.lighttpd.net/projects/lighttpd/wiki/X-LIGHTTPD-send-file says 1.4 it does not support byteserving
|
|
header('Accept-Ranges: none');
|
|
|
|
} else if ($CFG->xsendfile === 'X-Accel-Redirect') {
|
|
// http://wiki.nginx.org/XSendfile
|
|
// Nginx requires paths relative to aliases, you need to specify them in config.php
|
|
if (!$aliased) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
header("$CFG->xsendfile: $filepath");
|
|
|
|
return true;
|
|
}
|
|
|