1 files changed, 0 insertions, 142 deletions
diff --git a/lib/classes/auth_plugins/StudipAuthLTI.class.php b/lib/classes/auth_plugins/StudipAuthLTI.class.php
deleted file mode 100644
index e8c316f..0000000
--- a/lib/classes/auth_plugins/StudipAuthLTI.class.php
+++ /dev/null
@@ -1,142 +0,0 @@
-<?php
-/*
- * StudipAuthLTI.class.php - Stud.IP authentication against LTI 1.1 consumer
- * Copyright (c) 2018  Elmar Ludwig
- *
- * This program 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 2 of
- * the License, or (at your option) any later version.
- */
-
-class StudipAuthLTI extends StudipAuthSSO
-{
-    public $consumer_keys;
-    public $username;
-    public $domain;
-
-    /**
-     * Validate the username passed to the auth plugin. Note: This implementation
-     * ignores the username parameter and always uses the data passed via the LTI
-     * parameters "lis_person_sourcedid" or "user_id".
-     *
-     * @param   string $username (ignored)
-     *
-     * @return  string  username derived from LTI parameters
-     *
-     * @throws InvalidArgumentException  if no username can be determined
-     */
-    public function verifyUsername($username)
-    {
-        $consumer_key = Request::get('oauth_consumer_key');
-        $username = Request::get('lis_person_sourcedid', Request::get('user_id'));
-        $override = $this->consumer_keys[$consumer_key]['allow_domain_override'];
-        $domain = $this->consumer_keys[$consumer_key]['domain'];
-
-        if (!$username) {
-            throw new InvalidArgumentException('user_id must not be empty');
-        }
-
-        if ($domain === null) {
-            $domain = $consumer_key;
-        }
-
-        if ($override && strpos($username, '@') !== false) {
-            list($username, $domain) = explode('@', $username);
-        }
-
-        if ($domain !== '') {
-            $username .= '@' . $domain;
-            $this->domain = $domain;
-        }
-
-        return $this->username = parent::verifyUsername($username);
-    }
-
-    /**
-     * Check whether this user can be authenticated. Since we trust the user
-     * information sent by the LTI consumer, only the OAuth signature is checked.
-     *
-     * @param   string $username account name
-     * @param   string $password (ignored)
-     *
-     * @return  bool    true if authentication succeeds
-     *
-     * @throws OAuthException2  if the signature verification failed
-     *
-     */
-    public function isAuthenticated($username, $password)
-    {
-        require_once 'vendor/oauth-php/library/OAuthRequestVerifier.php';
-
-        OAuthStore::instance('PDO', [
-            'dsn' => 'mysql:host=' . $GLOBALS['DB_STUDIP_HOST'] . ';dbname=' . $GLOBALS['DB_STUDIP_DATABASE'],
-            'username' => $GLOBALS['DB_STUDIP_USER'],
-            'password' => $GLOBALS['DB_STUDIP_PASSWORD']
-        ]);
-
-        $consumer_key = Request::get('oauth_consumer_key');
-        $consumer_secret = $this->consumer_keys[$consumer_key]['consumer_secret'];
-
-        $oarv = new OAuthRequestVerifier();
-        $oarv->verifySignature($consumer_secret, false, false);
-
-        return parent::isAuthenticated($username, $password);
-    }
-
-    /**
-     * Authenticate this user and handle auto enrollment. If the URL parameter
-     * "sem_id" is set, the user is automatically redircted to the enrollment
-     * action for this course.
-     *
-     * @param   string $username the username to check
-     * @param   string $password the password (ignored)
-     *
-     * @return  mixed   if authentication succeeds: the Stud.IP user, else false
-     *
-     * @throws OAuthException2  if the signature verification failed
-     */
-    public function authenticateUser($username, $password)
-    {
-        $user = parent::authenticateUser($username, $password);
-        $course_id = Request::option('sem_id');
-
-        if ($user && $course_id) {
-            header('Location: ' . URLHelper::getURL('dispatch.php/lti/index/' . $course_id));
-        }
-
-        return $user;
-    }
-
-    /**
-     * Return the current username of the pending authentication request.
-     */
-    public function getUser()
-    {
-        return $this->username;
-    }
-
-    /**
-     * Get the user domains to assign to the current user (if any).
-     *
-     * @return array    array of user domain names
-     */
-    public function getUserDomains()
-    {
-        return $this->domain ? [$this->domain] : null;
-    }
-
-    /**
-     * Callback that can be used in user_data_mapping array. For LTI, this is
-     * equivalent to Request::get(), since all launch data is POST parameters.
-     * @see http://www.imsglobal.org/specs/ltiv1p1/implementation-guide
-     *
-     * @param   string  key (e.g. "lis_person_contact_email_primary")
-     *
-     * @return  string  parameter value (null if not set)
-     */
-    public function getUserData($key)
-    {
-        return Request::get($key);
-    }
-}