Convert backend to regular directory

backend/src/middlewares/auth.middleware.js

@@ -0,0 +1,44 @@
+const jwt = require("jsonwebtoken");
+const prisma = require("../config/prisma");
+
+const authMiddleware = async (req, res, next) => {
+  try {
+    const authHeader = req.headers.authorization;
+
+    if (!authHeader || !authHeader.startsWith("Bearer ")) {
+      return res.status(401).json({
+        message: "Token manquant ou invalide.",
+      });
+    }
+
+    const token = authHeader.split(" ")[1];
+
+    const decoded = jwt.verify(token, process.env.JWT_SECRET);
+
+    const user = await prisma.user.findUnique({
+      where: { id: decoded.id },
+      select: {
+        id: true,
+        firstname: true,
+        lastname: true,
+        email: true,
+        role: true,
+      },
+    });
+
+    if (!user) {
+      return res.status(401).json({
+        message: "Utilisateur introuvable.",
+      });
+    }
+
+    req.user = user;
+    next();
+  } catch (error) {
+    return res.status(401).json({
+      message: "Token invalide ou expiré.",
+    });
+  }
+};
+
+module.exports = authMiddleware;

backend/src/middlewares/role.middleware.js

@@ -0,0 +1,13 @@
+const roleMiddleware = (...allowedRoles) => {
+  return (req, res, next) => {
+    if (!req.user || !allowedRoles.includes(req.user.role)) {
+      return res.status(403).json({
+        message: "Accès refusé.",
+      });
+    }
+
+    next();
+  };
+};
+
+module.exports = roleMiddleware;

backend/src/middlewares/validate.middleware.js

@@ -0,0 +1,17 @@
+const validate = (schema) => {
+  return (req, res, next) => {
+    const result = schema.safeParse(req.body);
+
+    if (!result.success) {
+      return res.status(400).json({
+        message: "Données invalides",
+        errors: result.error.flatten().fieldErrors,
+      });
+    }
+
+    req.body = result.data;
+    next();
+  };
+};
+
+module.exports = validate;