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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Class for loading/storing issuers from the DB.
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*
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* @package auth_oauth2
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* @copyright 2017 Damyon Wiese
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace auth_oauth2;
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defined('MOODLE_INTERNAL') || die();
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use core\persistent;
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/**
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* Class for loading/storing issuer from the DB
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*
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* @copyright 2017 Damyon Wiese
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class linked_login extends persistent {
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const TABLE = 'auth_oauth2_linked_login';
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/**
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* Return the definition of the properties of this model.
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*
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* @return array
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*/
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protected static function define_properties() {
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return array(
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'issuerid' => array(
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'type' => PARAM_INT
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),
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'userid' => array(
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'type' => PARAM_INT
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),
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'username' => array(
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'type' => PARAM_RAW
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),
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'email' => array(
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'type' => PARAM_RAW
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),
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'confirmtoken' => array(
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'type' => PARAM_RAW
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),
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'confirmtokenexpires' => array(
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'type' => PARAM_INT
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)
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);
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}
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/**
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* Check whether there are any valid linked accounts for this issuer
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* and username combination.
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*
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* @param \core\oauth2\issuer $issuer The issuer
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* @param string $username The username to check
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*/
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public static function has_existing_issuer_match(\core\oauth2\issuer $issuer, $username) {
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global $DB;
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$where = "issuerid = :issuerid
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AND username = :username
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AND (confirmtokenexpires = 0 OR confirmtokenexpires > :maxexpiry)";
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$count = $DB->count_records_select(static::TABLE, $where, [
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'issuerid' => $issuer->get('id'),
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'username' => $username,
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'maxexpiry' => (new \DateTime('NOW'))->getTimestamp(),
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]);
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return $count > 0;
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}
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/**
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* Remove all linked logins that are using issuers that have been deleted.
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*
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* @param int $issuerid The issuer id of the issuer to check, or false to check all (defaults to all)
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* @return boolean
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*/
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public static function delete_orphaned($issuerid = false) {
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global $DB;
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// Delete any linked_login entries with a issuerid
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// which does not exist in the issuer table.
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// In the left join, the issuer id will be null
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// where a match linked_login.issuerid is not found.
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$sql = "DELETE FROM {" . self::TABLE . "}
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WHERE issuerid NOT IN (SELECT id FROM {" . \core\oauth2\issuer::TABLE . "})";
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$params = [];
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if (!empty($issuerid)) {
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$sql .= ' AND issuerid = ?';
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$params['issuerid'] = $issuerid;
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}
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return $DB->execute($sql, $params);
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}
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}
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