@juliodevelop/auth

Auth toolkit para Next.js com NextAuth v5, middleware de rotas, hooks React, JWT e password hashing.

Instalação

npm install @juliodevelop/auth
# peer deps:
npm install next next-auth react

Requer .npmrc configurado com o registry @juliodevelop. Veja o README raiz.

Sub-exports

@juliodevelop/auth          → config + middleware
@juliodevelop/auth/react    → AuthProvider + hooks
@juliodevelop/auth/jwt      → sign, verify, decode JWT
@juliodevelop/auth/password → hash + verify senha

Uso

Config NextAuth

import { createAuthConfig } from '@juliodevelop/auth'

export const authConfig = createAuthConfig({
  providers: {
    credentials: {
      authorize: async (credentials) => {
        const user = await db.user.findUnique({ where: { email: credentials.email } })
        if (!user) return null
        return { id: user.id, email: user.email, role: user.role }
      },
    },
    google: {
      clientId: process.env.GOOGLE_CLIENT_ID!,
      clientSecret: process.env.GOOGLE_CLIENT_SECRET!,
    },
  },
  pages: { signIn: '/login' },
})

export const { auth, signIn, signOut, handlers } = authConfig

Middleware

import { createAuthMiddleware } from '@juliodevelop/auth'

// Tudo protegido por padrão, exceto publicRoutes
export default createAuthMiddleware({
  publicRoutes: ['/', '/login', '/register'],
  roleRoutes: {
    '/admin(.*)': ['admin'],
    '/seller(.*)': ['admin', 'seller'],
  },
})

Hooks React

import { AuthProvider, useAuth } from '@juliodevelop/auth/react'

// No layout:
<AuthProvider><App /></AuthProvider>

// Em componentes:
const { user, isAuthenticated, hasRole, signOut } = useAuth()

JWT (standalone, sem Next.js)

import { signJwt, verifyJwt, decodeJwt } from '@juliodevelop/auth/jwt'

const token = await signJwt({ userId: '123' }, { secret: 'key', expiresIn: '7d' })
const payload = await verifyJwt(token, 'key')

Password (standalone, sem Next.js)

import { hashPassword, verifyPassword } from '@juliodevelop/auth/password'

const hashed = await hashPassword('senha123')
const isValid = await verifyPassword('senha123', hashed)