ptut-vhost/build/api/core/AuthSystemDefault.php

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<?php
/**************************
* API AuthSystem *
* 08-12-2016 *
***************************
* Designed & Developed by *
* xdrm-brackets *
***************************
* https://xdrm.io/ *
**************************/
namespace api\core;
use \error\core\Err;
use \error\core\Error;
use \database\core\Repo;
use \database\repo\professor;
class AuthSystemDefault implements AuthSystem{
public function __construct(){
/* (1) Init session variables
---------------------------------------------------------*/
if( !isset($_SESSION['CAS']) || !is_array($_SESSION['CAS']) ) $_SESSION['CAS'] = [];
if( !isset($_SESSION['AUTH']) || !is_array($_SESSION['AUTH']) ) $_SESSION['AUTH'] = [];
/* (2) Check CAS
---------------------------------------------------------*/
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if( (!isset($_SESSION["isLogged"]) || !$_SESSION["isLogged"]) && isset($_SESSION['CAS']['login']) && isset($_SESSION['CAS']['ticket']) ){
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/* (1) If the user is not logged we try to retrive the list of the linked department*/
/** @var professor $prof_repo */
$prof_repo = Repo::getRepo('professor');
/* (2) Get professor with this login */
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$deps = $prof_repo->getLinkedDepartment($_SESSION['CAS']['login']);
if(is_array($deps)){
$_SESSION['CurrentDatabase'] = $deps[0]["dbName"];
$_SESSION['CurrentDepartementId'] = $deps[0]["idDep"];
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Repo::switchDatabase($_SESSION['CurrentDatabase']);
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$by_login = $prof_repo->getByLogin($_SESSION['CAS']['login']);
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/* (3) If found -> store useful information */
if( is_array($by_login) && isset($by_login['idProfesseur']) && isset($by_login['admin']) ){
$_SESSION['CAS']['admin'] = (bool) $by_login['admin'];
$_SESSION['CAS']['id'] = (int) $by_login['idProfesseur'];
$_SESSION["isLogged"] = true;
/* (4) If no login found -> remove CAS auth */
}else
$_SESSION['CAS'] = [];
}else{
$_SESSION['CAS'] = [];
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}
}
/* (3) Process AUTH
---------------------------------------------------------*/
/* (1) cas_admin | cas_user */
if( isset($_SESSION['CAS']['admin']) && is_bool($_SESSION['CAS']['admin']) ){
// by default: cas_user
$_SESSION['AUTH'] = ['cas_user'];
// if admin: cas_admin
if( $_SESSION['CAS']['admin'] === true )
$_SESSION['AUTH'][] = 'cas_admin';
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/* (2) Remove cas in AUTH */
}else{
$_SESSION['AUTH'] = \array_diff($_SESSION['AUTH'], ['cas_user']);
$_SESSION['AUTH'] = \array_diff($_SESSION['AUTH'], ['cas_admin']);
}
/* (2) Other permissions */
// TODO
}
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/** VERIFICATION DES ACCES EN FONCTION DE PERMISSIONS ATTENDUES
*
* @param array $expected Liste des permissions attendues
*
* @return Error Erreur associée à la permission (Success/PermissionError/TokenError/etc)
*
*/
public static function permission(array $expected) : Error{
/* (1) Check format -> if not array of array(s) -> ERROR
---------------------------------------------------------*/
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/* (1) If not array of array(s) -> ERROR */
foreach($expected as $permission_group)
if( !is_array($permission_group) )
return new Error(Err::FormatError);
/* (2) For each OR group
---------------------------------------------------------*/
foreach($expected as $OR_group){
/* (1) By default suppose the group is valid */
// -> an empty group will grant permission to all
$valid_group = true;
/* (2) Check for each AND permission in the group */
foreach($OR_group as $AND_perm){
/* (3) If not in session.auth -> invalidate the permission group */
if( !in_array($AND_perm, $_SESSION['AUTH']) ){
$valid_group = false;
break;
}
}
/* (4) If valid group -> Success */
if( $valid_group )
return new Error(Err::Success);
}
/* (5) If no valid group -> permission error */
return new Error(Err::PermissionError);
}
}
?>