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repository_callback.php
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repository_callback.php
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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/>.
/**
* Repository instance callback script
*
* @since Moodle 2.0
* @package core
* @subpackage repository
* @copyright 2009 Dongsheng Cai <dongsheng@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(__DIR__ . '/../config.php');
require_once(__DIR__ . '/../lib/filelib.php');
require_once(__DIR__.'/lib.php');
require_login();
/// Parameters
$repo_id = required_param('repo_id', PARAM_INT); // Repository ID
/// Headers to make it not cacheable
header('Cache-Control: no-cache, must-revalidate');
header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
/// Wait as long as it takes for this script to finish
core_php_time_limit::raise();
/// Get repository instance information
$sql = 'SELECT i.name, i.typeid, r.type, i.contextid FROM {repository} r, {repository_instances} i '.
'WHERE i.id=? AND i.typeid=r.id';
$repository = $DB->get_record_sql($sql, array($repo_id), '*', MUST_EXIST);
$type = $repository->type;
if (file_exists($CFG->dirroot.'/repository/'.$type.'/lib.php')) {
require_once($CFG->dirroot.'/repository/'.$type.'/lib.php');
$classname = 'repository_' . $type;
$repo = new $classname($repo_id, $repository->contextid, array('type'=>$type));
} else {
throw new \moodle_exception('invalidplugin', 'repository', $type);
}
// post callback
$repo->callback();
// call opener window to refresh repository
// the callback url should be something like this:
// http://xx.moodle.com/repository/repository_callback.php?repo_id=1&sid=xxx
// sid is the attached auth token from external source
// If Moodle is working on HTTPS mode, then we are not allowed to access
// parent window, in this case, we need to alert user to refresh the repository
// manually.
$strhttpsbug = json_encode(get_string('cannotaccessparentwin', 'repository'));
$strrefreshnonjs = get_string('refreshnonjsfilepicker', 'repository');
$reloadparent = optional_param('reloadparent', false, PARAM_BOOL);
// If this request is coming from a popup, close window and reload parent window.
if ($reloadparent == true) {
$js = <<<EOD
<html>
<head>
<script type="text/javascript">
window.opener.location.reload();
window.close();
</script>
</head>
<body></body>
</html>
EOD;
die($js);
}
$js =<<<EOD
<html>
<head>
<script type="text/javascript">
try {
if (window.opener) {
window.opener.M.core_filepicker.active_filepicker.list();
window.close();
} else {
throw new Error('Whoops!');
}
} catch (e) {
alert({$strhttpsbug});
}
</script>
</head>
<body>
<noscript>
{$strrefreshnonjs}
</noscript>
</body>
</html>
EOD;
die($js);