Initial SeConectai briefing system

auth.ts

@@ -0,0 +1,101 @@
+import NextAuth from "next-auth";
+import Credentials from "next-auth/providers/credentials";
+import argon2 from "argon2";
+import { z } from "zod";
+import { db } from "@/lib/db";
+import { checkRateLimit } from "@/lib/rate-limit";
+
+const credentialsSchema = z.object({
+  email: z.string().trim().email().toLowerCase(),
+  senha: z.string().min(1)
+});
+
+export const { handlers, auth, signIn, signOut } = NextAuth({
+  session: {
+    strategy: "jwt"
+  },
+  pages: {
+    signIn: "/login"
+  },
+  providers: [
+    Credentials({
+      credentials: {
+        email: { label: "E-mail", type: "email" },
+        senha: { label: "Senha", type: "password" }
+      },
+      async authorize(credentials, request) {
+        const parsed = credentialsSchema.safeParse(credentials);
+
+        if (!parsed.success) {
+          return null;
+        }
+
+        const forwardedFor = request.headers.get("x-forwarded-for");
+        const ip = forwardedFor?.split(",")[0]?.trim() ?? "local";
+        const limit = checkRateLimit(`login:${ip}:${parsed.data.email}`);
+
+        if (!limit.allowed) {
+          return null;
+        }
+
+        const user = await db.user.findUnique({
+          where: { email: parsed.data.email },
+          select: {
+            id: true,
+            email: true,
+            senhaHash: true,
+            papel: true
+          }
+        });
+
+        if (!user) {
+          return null;
+        }
+
+        const validPassword = await argon2.verify(user.senhaHash, parsed.data.senha);
+
+        if (!validPassword) {
+          return null;
+        }
+
+        return {
+          id: user.id,
+          email: user.email,
+          papel: user.papel
+        };
+      }
+    })
+  ],
+  callbacks: {
+    async jwt({ token, user }) {
+      if (user) {
+        token.userId = user.id;
+        token.papel = user.papel;
+      }
+
+      return token;
+    },
+    async session({ session, token }) {
+      if (session.user) {
+        session.user.id = token.userId;
+        session.user.papel = token.papel;
+      }
+
+      return session;
+    }
+  },
+  cookies: {
+    sessionToken: {
+      name:
+        process.env.NODE_ENV === "production"
+          ? "__Secure-authjs.session-token"
+          : "authjs.session-token",
+      options: {
+        httpOnly: true,
+        sameSite: "lax",
+        path: "/",
+        secure: process.env.NODE_ENV === "production"
+      }
+    }
+  }
+});