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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/>.
/**
* Class for loading/storing issuers from the DB.
*
* @package auth_oauth2
* @copyright 2017 Damyon Wiese
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace auth_oauth2;
defined('MOODLE_INTERNAL') || die();
use core\persistent;
/**
* Class for loading/storing issuer from the DB
*
* @copyright 2017 Damyon Wiese
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class linked_login extends persistent {
const TABLE = 'auth_oauth2_linked_login';
/**
* Return the definition of the properties of this model.
*
* @return array
*/
protected static function define_properties() {
return array(
'issuerid' => array(
'type' => PARAM_INT
),
'userid' => array(
'type' => PARAM_INT
),
'username' => array(
'type' => PARAM_RAW
),
'email' => array(
'type' => PARAM_RAW
),
'confirmtoken' => array(
'type' => PARAM_RAW
),
'confirmtokenexpires' => array(
'type' => PARAM_INT
)
);
}
/**
* Check whether there are any valid linked accounts for this issuer
* and username combination.
*
* @param \core\oauth2\issuer $issuer The issuer
* @param string $username The username to check
*/
public static function has_existing_issuer_match(\core\oauth2\issuer $issuer, $username) {
global $DB;
$where = "issuerid = :issuerid
AND username = :username
AND (confirmtokenexpires = 0 OR confirmtokenexpires > :maxexpiry)";
$count = $DB->count_records_select(static::TABLE, $where, [
'issuerid' => $issuer->get('id'),
'username' => $username,
'maxexpiry' => (new \DateTime('NOW'))->getTimestamp(),
]);
return $count > 0;
}
/**
* Remove all linked logins that are using issuers that have been deleted.
*
* @param int $issuerid The issuer id of the issuer to check, or false to check all (defaults to all)
* @return boolean
*/
public static function delete_orphaned($issuerid = false) {
global $DB;
// Delete any linked_login entries with a issuerid
// which does not exist in the issuer table.
// In the left join, the issuer id will be null
// where a match linked_login.issuerid is not found.
$sql = "DELETE FROM {" . self::TABLE . "}
WHERE issuerid NOT IN (SELECT id FROM {" . \core\oauth2\issuer::TABLE . "})";
$params = [];
if (!empty($issuerid)) {
$sql .= ' AND issuerid = ?';
$params['issuerid'] = $issuerid;
}
return $DB->execute($sql, $params);
}
}