mirror of
https://github.com/moodle/moodle.git
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147 lines
4.0 KiB
PHP
147 lines
4.0 KiB
PHP
<?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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* Authentication Plugin: IMAP Authentication
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* Authenticates against an IMAP server.
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*
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* @package auth_imap
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* @author Martin Dougiamas
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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*/
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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->libdir.'/authlib.php');
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/**
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* IMAP authentication plugin.
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*/
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class auth_plugin_imap extends auth_plugin_base {
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/**
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* Constructor.
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*/
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public function __construct() {
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$this->authtype = 'imap';
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$this->config = get_config('auth_imap');
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}
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/**
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* Old syntax of class constructor. Deprecated in PHP7.
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*
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* @deprecated since Moodle 3.1
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*/
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public function auth_plugin_imap() {
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debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
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self::__construct();
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}
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/**
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* Returns true if the username and password work and false if they are
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* wrong or don't exist.
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*
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* @param string $username The username (with system magic quotes)
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* @param string $password The password (with system magic quotes)
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* @return bool Authentication success or failure.
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*/
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function user_login ($username, $password) {
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if (! function_exists('imap_open')) {
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print_error('auth_imapnotinstalled','mnet');
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return false;
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}
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global $CFG;
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$hosts = explode(';', $this->config->host); // Could be multiple hosts
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foreach ($hosts as $host) { // Try each host in turn
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$host = trim($host);
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switch ($this->config->type) {
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case 'imapssl':
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$host = '{'.$host.":{$this->config->port}/imap/ssl}";
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break;
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case 'imapcert':
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$host = '{'.$host.":{$this->config->port}/imap/ssl/novalidate-cert}";
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break;
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case 'imaptls':
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$host = '{'.$host.":{$this->config->port}/imap/tls}";
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break;
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case 'imapnosslcert':
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$host = '{'.$host.":{$this->config->port}/imap/novalidate-cert}";
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break;
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default:
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$host = '{'.$host.":{$this->config->port}/imap}";
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}
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error_reporting(0);
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$connection = imap_open($host, $username, $password, OP_HALFOPEN);
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error_reporting($CFG->debug);
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if ($connection) {
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imap_close($connection);
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return true;
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}
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}
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return false; // No match
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}
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function prevent_local_passwords() {
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return true;
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}
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/**
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* Returns true if this authentication plugin is 'internal'.
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*
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* @return bool
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*/
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function is_internal() {
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return false;
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}
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/**
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* Returns true if this authentication plugin can change the user's
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* password.
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*
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* @return bool
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*/
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function can_change_password() {
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return !empty($this->config->changepasswordurl);
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}
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/**
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* Returns the URL for changing the user's pw, or empty if the default can
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* be used.
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*
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* @return moodle_url
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*/
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function change_password_url() {
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if (!empty($this->config->changepasswordurl)) {
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return new moodle_url($this->config->changepasswordurl);
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} else {
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return null;
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}
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}
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}
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