sid/index.php

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<?php session_start();
$LOGIN_postAreSet = isset($_POST['username']) && isset($_POST['password']); // variables POST existent
$LOGIN_postStrings = $LOGIN_postAreSet && is_string($_POST['username']) && is_string($_POST['password']); // sont toutes 2 des strings
$LOGIN_postNotEmpty = $LOGIN_postStrings && strlen($_POST['username']) > 1 && strlen($_POST['password']) > 1; // d'au moins 2 caractères
// $_SESSION['username'] = null;
// si on a soumis le formulaire
if( $LOGIN_postNotEmpty ){
$userlist = file_get_contents('src/userlist.json');
$userlistObj = json_decode($userlist);
if( $userlistObj != null ){ // si format non corrompu
if( isset($userlistObj->{$_POST['username']}) ) // si non d'utilisateur connu
if( $userlistObj->{$_POST['username']}->password == $_POST['password'] ) // si mot de passe ok
$_SESSION['username'] = $_POST['username'];
}
}
if( !(isset($_SESSION['username']) && is_string($_SESSION['username']) && strlen($_SESSION['username']) > 1) )
$_SESSION['username'] = null;
?>
<!DOCTYPE html>
<html>
<head>
<title>Système d'Information du Département</title>
<!-- Informations de la page -->
<meta charset='utf-8'>
<meta name='author' content='Aurélien CLERAC; Cédric ELOUNDOU; Guillaume FAUVET; Adrien MARQUES {xdrm}'>
<meta name='desctiption' content="Système d'Information du Département Informatique" >
<!-- Dépendences CSS -->
<link type='text/css' rel='stylesheet' href='css/layout.css' /> <!-- Positionnement global des pages -->
<link type='text/css' rel='stylesheet' href='css/header.css' /> <!-- Gestion du header -->
<link type='text/css' rel='stylesheet' href='css/container.css'/> <!-- Gestion du container -->
<link type='text/css' rel='stylesheet' href='css/menu.css' /> <!-- Gestion du menu -->
<link type='text/css' rel='stylesheet' href='css/global.css' /> <!-- Style global -->
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<link href='https://fonts.googleapis.com/css?family=Open+Sans' rel='stylesheet' type='text/css'>
<!-- Dépendences Javascript -->
<script type='text/javascript' src='js/shortcut.js' ></script> <!-- Gestion des raccourcis clavier -->
</head>
<body><!-- CORPS DE LA PAGE -->
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<!-- HEADER DE LA PAGE -->
<div id='HEADER'>
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<div id='icon' style='width:100px; height:100%; background: blue;'></div>
<!-- MENU DE LA PAGE -->
<nav id='MENU'>
<a href='home.php' >Accueil </a>
<a href='groups.php' >Groupes </a>
<a href='ue.php' >Suivi </a>
<a href='modules.php' >Modules </a>
<a href='marks.php' >Notes </a>
<a href='settings.php'>Paramètres </a>
</nav>
<?php
if( isset($_SESSION['username']) && strlen($_SESSION['username']) > 1 )
echo "<a class='colored'>".$_SESSION['username']."</a>";
else
echo "<a class='active'>Authentification</a>";
?>
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</div>
<?php
if( $LOGIN_postAreSet && $_SESSION['username'] == null ){ // si on a soumis un formulaire (mais sans succès)
echo "<div id='AUTH_FILTER' class='active'></div>";
echo "<form id='AUTH' action='' method='POST'>";
echo "<label>Connection</label>";
echo "<input type='text' name='username' placeholder='Username' value='".$_POST['username']."'>";
echo "<input type='password' name='password' placeholder='Password' value='".$_POST['password']."'>";
echo "<span class='errorbox'>&nbsp Identifiants incorrects.</span>";
echo "<input type='submit' value='Connection'>";
echo "</form>";
}else{ // si chargement normal de la page
echo "<div id='AUTH_FILTER'></div>";
echo "<form id='AUTH' action='' method='POST'>";
echo "<label>Connection</label>";
echo "<input type='text' name='username' placeholder='Username'>";
echo "<input type='password' name='password' placeholder='Password'>";
echo "<span class='errorbox'>&nbsp</span>";
echo "<input type='submit' value='Connection'>";
echo "</form>";
}
?>
<!-- CONTENEUR DE LA PAGE -->
<div id='CONTAINER'></div>
<!-- MESSAGE BOX DE LA PAGE -->
<div id='MSGBOX' class=''>Hey! Your password is not the right one.</div>
<!-- Dépendences Javascript après chargement des éléments -->
<script type='text/javascript' src='js/actionScript.js'></script>
</body>
</html>