init: pulseform v2 — Express/Prisma/React/SCSS/R3F stack

backend/src/middlewares/auth.ts

@@ -0,0 +1,31 @@
+import type { Response, NextFunction } from "express";
+import jwt from "jsonwebtoken";
+import type { AppRequest, AuthPayload } from "../types/context.js";
+
+export function requireAuth(req: AppRequest, res: Response, next: NextFunction): void {
+  const token = req.cookies?.token as string | undefined;
+
+  if (!token) {
+    res.status(401).json({ message: "Non authentifié." });
+    return;
+  }
+
+  try {
+    const secret = process.env.JWT_SECRET as string;
+    const payload = jwt.verify(token, secret) as AuthPayload;
+    req.user = payload;
+    next();
+  } catch {
+    res.status(401).json({ message: "Token invalide ou expiré." });
+  }
+}
+
+export function requireRole(...roles: AuthPayload["role"][]) {
+  return (req: AppRequest, res: Response, next: NextFunction): void => {
+    if (!req.user || !roles.includes(req.user.role)) {
+      res.status(403).json({ message: "Accès refusé." });
+      return;
+    }
+    next();
+  };
+}