--- /dev/null
+<?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/>.
+
+/**
+ * Web service auth plugin, reserves username, prevents normal login.
+ * TODO: add IP restrictions and some other features - MDL-17135
+ *
+ * @package moodlecore
+ * @subpackage webservice
+ * @copyright 2008 Petr Skoda (http://skodak.org)
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+if (!defined('MOODLE_INTERNAL')) {
+ die('Direct access to this script is forbidden.'); /// It must be included from a Moodle page
+}
+
+require_once($CFG->libdir.'/authlib.php');
+
+/**
+ * Web service auth plugin.
+ */
+class auth_plugin_webservice extends auth_plugin_base {
+
+ /**
+ * Constructor.
+ */
+ function auth_plugin_webservice() {
+ $this->authtype = 'webservice';
+ $this->config = get_config('auth/webservice');
+ }
+
+ /**
+ * Returns true if the username and password work and false if they are
+ * wrong or don't exist.
+ *
+ * @param string $username The username (with system magic quotes)
+ * @param string $password The password (with system magic quotes)
+ *
+ * @return bool Authentication success or failure.
+ */
+ function user_login($username, $password) {
+ // normla logins not allowed!
+ return false;
+ }
+
+ /**
+ * Custom auth hook for web services.
+ * @param string $username
+ * @param string $password
+ * @return bool success
+ */
+ function user_login_webservice($username, $password) {
+ global $CFG, $DB;
+ // special web service login
+ if ($user = $DB->get_record('user', array('username'=>$username, 'mnethostid'=>$CFG->mnet_localhost_id))) {
+ return validate_internal_user_password($user, $password);
+ }
+ return false;
+ }
+
+ /**
+ * Updates the user's password.
+ *
+ * called when the user password is updated.
+ *
+ * @param object $user User table object (with system magic quotes)
+ * @param string $newpassword Plaintext password (with system magic quotes)
+ * @return boolean result
+ *
+ */
+ function user_update_password($user, $newpassword) {
+ $user = get_complete_user_data('id', $user->id);
+ return update_internal_user_password($user, $newpassword);
+ }
+
+ /**
+ * Returns true if this authentication plugin is 'internal'.
+ *
+ * @return bool
+ */
+ function is_internal() {
+ return true;
+ }
+
+ /**
+ * Returns true if this authentication plugin can change the user's
+ * password.
+ *
+ * @return bool
+ */
+ function can_change_password() {
+ return false;
+ }
+
+ /**
+ * Returns the URL for changing the user's pw, or empty if the default can
+ * be used.
+ *
+ * @return string
+ */
+ function change_password_url() {
+ return '';
+ }
+
+ /**
+ * Returns true if plugin allows resetting of internal password.
+ *
+ * @return bool
+ */
+ function can_reset_password() {
+ return false;
+ }
+
+ /**
+ * Prints a form for configuring this authentication plugin.
+ *
+ * This function is called from admin/auth.php, and outputs a full page with
+ * a form for configuring this plugin.
+ *
+ * @param array $page An object containing all the data for this page.
+ */
+ function config_form($config, $err, $user_fields) {
+ }
+
+ /**
+ * Processes and stores configuration data for this authentication plugin.
+ */
+ function process_config($config) {
+ return true;
+ }
+
+ /**
+ * Confirm the new user as registered. This should normally not be used,
+ * but it may be necessary if the user auth_method is changed to manual
+ * before the user is confirmed.
+ */
+ function user_confirm($username, $confirmsecret = null) {
+ return AUTH_CONFIRM_ERROR;
+ }
+
+}