feat: bot WhatsApp Business API — Palmas360 inicial

2026-06-04 13:35:23 -05:00
commit 202a263e25
18 changed files with 2100 additions and 0 deletions
@@ -0,0 +1,75 @@
+<?php
+declare(strict_types=1);
+
+class SessionAuth
+{
+    public static function start(): void
+    {
+        if (session_status() === PHP_SESSION_NONE) {
+            session_set_cookie_params([
+                'lifetime' => 0,
+                'path'     => '/',
+                'secure'   => isset($_SERVER['HTTPS']),
+                'httponly' => true,
+                'samesite' => 'Lax',
+            ]);
+            session_start();
+        }
+    }
+
+    /** Redirige a /login si no hay sesión activa. */
+    public static function require(): void
+    {
+        self::start();
+        if (empty($_SESSION['user_id'])) {
+            header('Location: /login');
+            exit;
+        }
+    }
+
+    public static function login(array $user): void
+    {
+        self::start();
+        session_regenerate_id(true);
+        $_SESSION['user_id'] = $user['id'];
+        $_SESSION['user']    = [
+            'id'    => $user['id'],
+            'name'  => $user['name'],
+            'email' => $user['email'],
+        ];
+    }
+
+    public static function logout(): void
+    {
+        self::start();
+        $_SESSION = [];
+        if (ini_get('session.use_cookies')) {
+            $p = session_get_cookie_params();
+            setcookie(session_name(), '', time() - 42000, $p['path'], $p['domain'], $p['secure'], $p['httponly']);
+        }
+        session_destroy();
+    }
+
+    public static function user(): array
+    {
+        return $_SESSION['user'] ?? [];
+    }
+
+    public static function csrfToken(): string
+    {
+        self::start();
+        if (empty($_SESSION['csrf_token'])) {
+            $_SESSION['csrf_token'] = bin2hex(random_bytes(32));
+        }
+        return $_SESSION['csrf_token'];
+    }
+
+    public static function validateCsrf(): void
+    {
+        $token = $_POST['_token'] ?? '';
+        if (!isset($_SESSION['csrf_token']) || !hash_equals($_SESSION['csrf_token'], $token)) {
+            http_response_code(403);
+            exit('Token CSRF inválido.');
+        }
+    }
+}