From ff233e3f169b6104273e9659b7b093857f2d87b3 Mon Sep 17 00:00:00 2001
From: Paolo <bison@technikum-wien.at>
Date: Mon, 25 Sep 2017 17:16:52 +0200
Subject: [PATCH] Added AuthLib

---
 application/libraries/AuthLib.php | 190 ++++++++++++++++++++++++++++++
 1 file changed, 190 insertions(+)
 create mode 100644 application/libraries/AuthLib.php

diff --git a/application/libraries/AuthLib.php b/application/libraries/AuthLib.php
new file mode 100644
index 000000000..80351cd45
--- /dev/null
+++ b/application/libraries/AuthLib.php
@@ -0,0 +1,190 @@
+<?php
+/**
+ * FH-Complete
+ *
+ * @package	FHC-Helper
+ * @author	FHC-Team
+ * @copyright	Copyright (c) 2016 fhcomplete.org
+ * @license	GPLv3
+ * @link	https://fhcomplete.org
+ * @since	Version 1.0.0
+ * @filesource
+ */
+
+/**
+ * FHC-Auth Helpers
+ *
+ * @package		FH-Complete
+ * @subpackage	Helpers
+ * @category	Helpers
+ * @author		FHC-Team
+ * @link		http://fhcomplete.org/user_guide/helpers/fhcauth_helper.html
+ */
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+require_once FHCPATH.'include/authentication.class.php';
+
+class AuthLib extends authentication
+{
+	/**
+	 * Construct
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+
+		// Gets CI instance
+		$this->ci =& get_instance();
+
+		// Loads helper message to manage returning messages
+		$this->ci->load->helper('Message');
+	}
+
+	/**
+	 * Checks the authentication of an addon
+	 * returns TRUE if valid, otherwise FALSE
+	 */
+	public function basicAuthentication($username, $password)
+	{
+		return $this->checkpassword($username, $password);
+	}
+
+	/**
+	 * Checks if the given username and password of a final user are valid
+	 */
+	public function CheckUserAuthByUsernamePassword($username, $password, $keys = false)
+	{
+		$result = error(false);
+
+		if (isset($username) && isset($password))
+		{
+			if ($this->checkpassword($username, $password) === true)
+			{
+				if ($keys === true)
+				{
+					$result = $this->_getFinalUserBasicDataByUID($username);
+				}
+				else
+				{
+					$result = success(true);
+				}
+			}
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Checks if the given code of a final user is valid
+	 */
+	public function CheckUserAuthByCode($code)
+	{
+		$result = error(false);
+
+		// Load model PersonModel
+		$this->ci->load->model('person/person_model', 'PersonModel');
+
+		$person = $this->ci->PersonModel->loadWhere(array('zugangscode' => $code));
+
+		if (hasData($person))
+		{
+			$result = $this->_getFinalUserBasicDataByPersonID($person->retval[0]->person_id);
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Checks if the given code and email of a final user are valid
+	 */
+	public function CheckUserAuthByCodeEmail($code, $email)
+	{
+		$result = error(false);
+
+		// Load model PersonModel
+		$this->ci->load->model('person/person_model', 'PersonModel');
+
+		$person = $this->ci->PersonModel->getPersonKontaktByZugangscode($code, $email);
+
+		if (hasData($person))
+		{
+			$result = $this->_getFinalUserBasicDataByPersonID($person->retval[0]->person_id);
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Returns all the keys with which is possible to obtain personal data about a final user
+	 * using the given username (uid)
+	 */
+	private function _getFinalUserBasicDataByUID($uid)
+	{
+		$finalUserBasicDataByUID = null;
+
+		// Load model BenutzerModel
+		$this->ci->load->model('person/Benutzer_model', 'BenutzerModel');
+
+		$benutzer = $this->ci->BenutzerModel->load($uid);
+
+		if (hasData($benutzer))
+		{
+			$finalUserBasicDataByUID = $this->_getFinalUserBasicDataByPersonID($benutzer->retval[0]->person_id, $uid);
+		}
+
+		return $finalUserBasicDataByUID;
+	}
+
+	/**
+	 * Returns all the keys with which is possible to obtain personal data about a final user
+	 * using the given person_id. The uid is optional
+	 */
+	private function _getFinalUserBasicDataByPersonID($person_id, $uid = null)
+	{
+		$finalUserBasicDataByPersonID = new stdClass(); // returned object
+
+		// Store the person_id and eventually all the uids and prestudent_ids related to this final user
+		$finalUserBasicDataByPersonID->person_id = $person_id;
+		$finalUserBasicDataByPersonID->uids = array();
+		$finalUserBasicDataByPersonID->prestudent_ids = array();
+
+		// If the UID has not been given as a parameter
+		if ($uid != null)
+		{
+			$finalUserBasicDataByPersonID->uid[0] = $uid;
+		}
+		else
+		{
+			// Load model BenutzerModel
+			$this->ci->load->model('person/Benutzer_model', 'BenutzerModel');
+
+			// Loads all the benutzer whith that person_id
+			$benutzer = $this->ci->BenutzerModel->loadWhere(array('person_id' => $person_id));
+
+			if (hasData($benutzer)) // store all the uids
+			{
+				foreach ($benutzer->retval as $rownum => $rowdata)
+				{
+					$finalUserBasicDataByPersonID->uids[$rownum] = $rowdata->uid;
+				}
+			}
+		}
+
+		// Load model PrestudentModel
+		$this->ci->load->model('crm/Prestudent_model', 'PrestudentModel');
+
+		// Loads all the prestudent whith that person_id
+		$prestudent = $this->ci->PrestudentModel->loadWhere(array('person_id' => $person_id));
+
+		if (hasData($prestudent)) // store all the prestudent_ids
+		{
+			foreach ($prestudent->retval as $rownum => $rowdata)
+			{
+				$finalUserBasicDataByPersonID->prestudent_ids[$rownum] = $rowdata->prestudent_id;
+			}
+		}
+
+		return success($finalUserBasicDataByPersonID);
+	}
+}