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<?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/>.
/**
* Local plugin "staticpage" - Library
*
* @package local_staticpage
* @copyright 2013 Alexander Bias, Ulm University <alexander.bias@uni-ulm.de>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
// defined('MOODLE_INTERNAL') || die(); - Must not be called because this script is called from outside moodle
define('STATICPAGE_TITLE_H1', 1);
define('STATICPAGE_TITLE_HEAD', 2);
define('STATICPAGE_FORCELOGIN_YES', 1);
define('STATICPAGE_FORCELOGIN_NO', 2);
define('STATICPAGE_FORCELOGIN_GLOBAL', 3);
define('STATICPAGE_PROCESSFILTERS_YES', 1);
define('STATICPAGE_PROCESSFILTERS_NO', 2);
define('STATICPAGE_CLEANHTML_YES', 1);
define('STATICPAGE_CLEANHTML_NO', 2);
/**
* Check if static page is available and downloadable on given URL
*
* @param string $url Static page URL
* @return bool
*/
function local_staticpage_check_availability($url) {
// Prepare cURL request
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_NOBODY, true);
if (!ini_get('open_basedir') && !ini_get('safe_mode')) {
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
}
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // We need that to prevent false errors with self-signed certificates on webserver.
// Run cURL request
$ret = curl_exec($ch);
$ret = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
// Return true if static page was available (HTTP 200)
if ($ret == 200) {
return true;
}
// Return false in all other cases
else {
return false;
}
}