mirror of
https://github.com/moodle/moodle.git
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137 lines
3.7 KiB
PHP
137 lines
3.7 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: NNTP Authentication
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* Authenticates against an NNTP server.
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*
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* @package auth_nntp
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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($CFG->libdir.'/authlib.php');
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/**
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* NNTP authentication plugin.
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*/
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class auth_plugin_nntp extends auth_plugin_base {
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/**
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* Constructor.
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*/
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function auth_plugin_nntp() {
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$this->authtype = 'nntp';
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$this->config = get_config('auth/nntp');
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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
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* @param string $password The password
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* @return bool Authentication success or failure.
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*/
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function user_login ($username, $password) {
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if (! function_exists('imap_open')) {
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print_error('auth_nntpnotinstalled','auth_nntp');
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exit;
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}
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global $CFG;
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// try each multiple host
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$hosts = explode(';', $this->config->host);
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foreach ($hosts as $host) {
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$host = '{' . trim($host) . ':' . $this->config->port . '/nntp}';
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error_reporting(0);
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$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;
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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 false;
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}
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/**
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* Prints a form for configuring this authentication plugin.
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*
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* This function is called from admin/auth.php, and outputs a full page with
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* a form for configuring this plugin.
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*
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* @param array $page An object containing all the data for this page.
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*/
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function config_form($config, $err, $user_fields) {
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include "config.html";
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}
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/**
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* Processes and stores configuration data for this authentication plugin.
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*/
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function process_config($config) {
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// set to defaults if undefined
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if (!isset ($config->host)) {
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$config->host = '127.0.0.1';
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}
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if (!isset ($config->port)) {
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$config->port = '119';
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}
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if (!isset($config->changepasswordurl)) {
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$config->changepasswordurl = '';
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}
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// save settings
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set_config('host', $config->host, 'auth/nntp');
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set_config('port', $config->port, 'auth/nntp');
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set_config('changepasswordurl', $config->changepasswordurl, 'auth/nntp');
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return true;
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}
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}
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