From a9434092adc499c7b7bbab100cd09c5ca02e628e Mon Sep 17 00:00:00 2001
From: Valentin Popov <info@valentineus.link>
Date: Mon, 20 Nov 2017 05:49:17 +0400
Subject: Initial commit

---
 auth.php | 128 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 auth.php

(limited to 'auth.php')

diff --git a/auth.php b/auth.php
new file mode 100644
index 0000000..86cf1e4
--- /dev/null
+++ b/auth.php
@@ -0,0 +1,128 @@
+<?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/>.
+
+/**
+ * Authorization by tokens.
+ *
+ * @package   auth_token
+ * @copyright 2017 "Valentin Popov" <info@valentineus.link>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined("MOODLE_INTERNAL") || die();
+
+require_once($CFG->libdir . "/authlib.php");
+
+/**
+ * Plugin user authentication plugin.
+ */
+class auth_plugin_token extends auth_plugin_base {
+    /**
+     * Constructor.
+     */
+    public function __construct() {
+        $this->authtype = "token";
+        $this->config = get_config("auth_token");
+    }
+
+    /**
+     * Old syntax of class constructor. Deprecated in PHP7.
+     *
+     * @deprecated since Moodle 3.1
+     */
+    public function auth_plugin_token() {
+        debugging("Use of class name as constructor is deprecated", DEBUG_DEVELOPER);
+        self::__construct();
+    }
+
+    /**
+     * Returns true if the username and password work or don't exist and false
+     * if the user exists and the password is wrong.
+     *
+     * @param  string $username The username
+     * @param  string $password The password
+     * @return boolean          Authentication success or failure.
+     */
+    public function user_login($username, $password) {
+        global $CFG, $DB;
+
+        if ($user = $DB->get_record("user", array("username" => $username, "mnethostid" => $GFG->mnet_localhost_id))) {
+            return validate_internal_user_password($user, $password);
+        }
+
+        return false;
+    }
+
+    /**
+     * Updates the user's password.
+     * Called when the user password is updated.
+     *
+     * @param  object $user        User table object
+     * @param  string $newpassword Plaintext password
+     * @return boolean             Password updated success or failure.
+     *
+     */
+    public function user_update_password($user, $password) {
+        $user = get_complete_user_data("id", $user->id);
+        return update_internal_user_password($user, $password);
+    }
+
+    /**
+     * Indicates if password hashes should be stored in local moodle database.
+     *
+     * @return boolean
+     */
+    public function prevent_local_passwords() {
+        return false;
+    }
+
+    /**
+     * Returns true if this authentication plugin is 'internal'.
+     *
+     * @return boolean
+     */
+    public function is_internal() {
+        return true;
+    }
+
+    /**
+     * Returns true if this authentication plugin can change the user's
+     * password.
+     *
+     * @return boolean
+     */
+    public function can_change_password() {
+        return false;
+    }
+
+    /**
+     * Returns true if plugin allows resetting of internal password.
+     *
+     * @return boolean
+     */
+    public function can_reset_password() {
+        return false;
+    }
+
+    /**
+     * Returns true if plugin can be manually set.
+     *
+     * @return boolean
+     */
+    public function can_be_manually_set() {
+        return true;
+    }
+}
\ No newline at end of file
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