ptut-vhost/build/api/module/casController.php

243 lines
6.6 KiB
PHP

<?php
/**
* Created by PhpStorm.
* User: lucas
* Date: 27/02/18
* Time: 16:19
*/
namespace api\module;
use database\core\Repo;
use database\repo\professor;
use database\repo\meta;
use error\core\Error;
use error\core\Err;
class casController{
/* (1) Authentication callback
*
* @popup_mode<boolean> Whether to manage the popup
* @GET[ticket]<String> CAS callback @ticket
*
* @return headers|body<array> The download content
*
---------------------------------------------------------*/
public static function get($args){
$popup_mode = false;
extract($args);
// login: https://sso.univ-pau.fr/cas/login?service=http://ptut.com:8080/api/v/1.0/cas
// Communicate over popups
// ----------------------------
// window.pop = { closed: false };
//
// window.cas_callback = function(cas_login){
//
// setTimeout( function(){
//
// if( window.pop.closed )
// console.log('CAS login (null means error): '+cas_login);
//
// }, 1);
//
// };
// Launch PopUp
// window.pop = window.open('https://sso.univ-pau.fr/cas/login?service=http://ptut.com:8080/api/v/1.0/cas', '_blank', 'location=no,height=1024,width=1024,scrollbars=yes,status=no');
/* (0) Initialize
---------------------------------------------------------*/
/* (1) Global DOWNLOAD data */
$headers = ['Content-Type' => 'text/html; charset=UTF-8' ];
/* (2) If @popup_mode */
if( $popup_mode !== 0 ){
$body_start = "Veuillez patienter...<br>Vous allez être redirigés<script type='text/javascript'>( typeof window.opener.cas_callback === 'function' ) && window.opener.cas_callback(";
$body_end = "); window.close();</script>";
/* (3) Else -> redirection */
}else{
$homepage = ($_SERVER['SERVER_NAME'] == 'ptut.com' ) ? 'http' : 'https';
$homepage .= '://'.$_SERVER['HTTP_HOST'].'/home';
$body_start = "Veuillez patienter...<br>Vous allez être redirigés<script type='text/javascript'>console.log(";
$body_end = "); document.location = '$homepage'; </script>";
}
/* (4) Reset SESSION */
$_SESSION['CAS'] = [];
/* (1) Check if already connected
---------------------------------------------------------*/
/* (1) If already -> return @cas_login */
if( in_array('cas_user', $_SESSION['AUTH']) ){
return [
'headers' => $headers,
'body' => $body_start."'".$_SESSION['CAS']['login']."'".$body_end
];
}
/* (2) Fail if no ticket */
if( !isset($_GET['ticket']) || !is_string($_GET['ticket']) || strlen($_GET['ticket']) < 1 )
return [ 'headers' => $headers, 'body' => $body_start.'-1'.$body_end ];
/* (2) Check ticket (validate)
---------------------------------------------------------*/
/* (1) Build useful variables */
$service = ($_SERVER['SERVER_NAME'] == 'ptut.com' ) ? 'http' : 'https';
$service .= '://'.$_SERVER['HTTP_HOST'].'/api/v/1.0/cas/'.$popup_mode;
$ticket = urlencode($_GET['ticket']);
$validate_url = "https://sso.univ-pau.fr/cas/serviceValidate?ticket=$ticket&service=$service";
/* (2) Configure & Prepare CURL */
$ch = \curl_init();
\curl_setopt($ch, CURLOPT_URL, $validate_url);
\curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
/* (3) Execute CURL & Close it */
$output = \curl_exec($ch);
\curl_close($ch);
/* (4) Fail if not validated */
if( strpos($output, 'user') === false )
return [ 'headers' => $headers, 'body' => $body_start.'-2'.$body_end ];
/* (5) Extract cas_login */
$cas_login = trim(strip_tags($output));
/* (6) Check empty */
if( strlen($cas_login) < 1 )
return [ 'headers' => $headers, 'body' => $body_start.'-2'.$body_end ];
/* (3) Meta database: check if @cas_login referenced
---------------------------------------------------------*/
/** @var professor $prof_repo */
$prof_repo = Repo::getRepo('professor');
/** @var meta $meta_repo */
$meta_repo = Repo::getRepo('meta');
/* (1) Get the list of linked departments for this @cas_login */
$departments = $meta_repo->get_prof_departments($cas_login);
/* (2) Failure: if no department for @cas_login */
if( count($departments) === 0 )
return [ 'headers' => $headers, 'body' => $body_start.'-3'.$body_end ];
/* (3) Set departments data */
$_SESSION['AvailableDepartments'] = $departments;
/* (4) Choose first department by default */
$_SESSION['CurrentDatabase'] = $departments[0]['dbName'];
$_SESSION['CurrentDepartmentId'] = $departments[0]['idDep'];
/* (5) Use this department's database */
Repo::switchDatabase($_SESSION['CurrentDatabase']);
/* (4) Fetch @cas_login professor data
---------------------------------------------------------*/
/* (1) Try to fetch professor */
$by_login = $prof_repo->getByLogin($cas_login);
/* (2) If not found -> reset SESSION */
if( !is_array($by_login) || !isset($by_login['idProfesseur']) || !isset($by_login['admin']) )
return [ 'headers' => $headers, 'body' => $body_start.'-4'.$body_end ];
/* (5) Store data in session
---------------------------------------------------------*/
/* (1) Security */
\session_regenerate_id();
/* (2) Store CAS user data in SESSION */
$_SESSION['CAS'] = [
'login' => $cas_login,
'ticket' => $ticket,
'id' => (int) $by_login['idProfesseur'],
'admin' => (bool) $by_login['admin']
];
/* (3) Success CAS login */
return [
'headers' => $headers,
'body' => $body_start."'".$_SESSION['CAS']['login']."'".$body_end
];
}
/* (2) Logout from CAS server
*
* @return logged_out<bool> Whether you have been logged out
*
---------------------------------------------------------*/
public function put(){
/* (1) Call logout script
---------------------------------------------------------*/
/* (1) Build useful variables */
$logout_url = "https://sso.univ-pau.fr/cas/logout";
/* (2) Configure & Prepare CURL */
$ch = \curl_init();
\curl_setopt($ch, CURLOPT_URL, $logout_url);
\curl_setopt($ch, CURLOPT_FOLLOWLOCATION, false);
\curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
/* (3) Execute CURL & Close it */
$output = \curl_exec($ch);
\curl_close($ch);
/* (4) Error if no output */
if( strlen($output) < 1 )
return ['logged_out' => false, 'redirect_url' => $logout_url];
/* (4) Destroy session */
\session_destroy();
/* (5) Return if logged out */
return ['logged_out' => true, 'redirect_url' => $logout_url];
}
/* (3) Logout (not from CAS server)
*
* @return logged_out<bool> Whether you have been logged out
*
---------------------------------------------------------*/
public function delete(){
\session_destroy();
/* (3) Return if logged out */
return ['logged_out' => true];
}
}