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<?php

session_start();

// Dépendances

require "vendor/autoload.php";

// Récupération des variables d'environnement

$dotenv = Dotenv\Dotenv::createImmutable($_SERVER['DOCUMENT_ROOT']);

$dotenv->load();

$hostname = $_ENV['BDD_HOST'];

$dbname = $_ENV['BDD_NAME'];

$username = $_ENV['BDD_LOGIN'];

$password = $_ENV['BDD_PASSWD'];

// Connexion bdd

try {

$bdd = new PDO("mysql:host=$hostname;dbname=$dbname", $username, $password);

$bdd->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

} catch (PDOException $e) {

echo 'Connection failed: ' . $e->getMessage();

exit();

}

$id_etu_sent = $_GET["num_etu"] ?? 1;

$id_etu_sent = empty($id_etu_sent) ? exit("Please provide a valid student ID.") : $id_etu_sent;

$force_login = isset($_GET["login"]) ? $_GET["login"] : false;

// Force next semester if date > february

$semestre = date("m") > 2 ? 0 : 1;

$num_etu = "SELECT promo, enabled FROM data_etu where id_etu = $id_etu_sent";

$data_etu = $bdd->query($num_etu);

$data_etu = $data_etu->fetch();

if ($data_etu) {

// If the student allowed NoteUniv to display his marks

if ($data_etu['enabled']) {

// Set cookie semester

if ($data_etu['promo'] === 'MMI1') {

setcookie('semestre', 's' . 1 * 2 - $semestre, strtotime('+360 days'));

setcookie('promo', 'MMI', strtotime('+360 days'));

} else if ($data_etu['promo'] === 'MMI2') {

setcookie('semestre', 's' . 2 * 2 - $semestre, strtotime('+360 days'));

setcookie('promo', 'MMI', strtotime('+360 days'));

} else {

setcookie('semestre', $data_etu['promo'], strtotime('+360 days'));

setcookie('promo', $data_etu['promo'], strtotime('+360 days'));

}

echo $id_etu_sent . ' authorized';

if ($force_login == true) {

$_SESSION['id_etu'] = $id_etu_sent;

header('Location: last.php');

}

// Else return an error

} else {

echo $id_etu_sent . ' disabled';

}

}