first commit

include/authenticator.php

@@ -0,0 +1,32 @@
+<?php
+session_start();
+
+
+function isLogged(): bool
+{
+    return isset($_SESSION['user']);
+}
+
+
+function checkLogin(PDO $pdo, $login, $password): bool
+{
+    $stmt = $pdo->prepare('SELECT * FROM utilisateur WHERE login = ?');
+    $stmt->execute([$login]);
+    $user = $stmt->fetch();
+
+
+    if ($user && password_verify($password, $user['password'])) {
+        $_SESSION['user'] = $user['login'];
+        return true;
+    }
+    return false;
+}
+
+
+function requireLogin() {
+    if (!isLogged()) {
+        header('Location: login.php');
+        exit;
+    }
+}
+?>