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@jvddavid/authenticator

v1.0.0

Published

Biblioteca para geração e verificação de códigos TOTP (Google Authenticator, Microsoft Authenticator, etc.) em Node.js.

Readme

@jvddavid/authenticator

Biblioteca para geração e verificação de códigos TOTP (Google Authenticator, Microsoft Authenticator, etc.) em Node.js.

Instalação

pnpm add @jvddavid/authenticator

Uso Básico

import {
  generateGoogleAuthKey,
  generateGoogleAuthToken,
  verifyGoogleAuthToken,
  generateTotpUri,
} from '@jvddavid/authenticator'

// Gerar uma chave secreta formatada para Google Authenticator
const secret = generateGoogleAuthKey()
console.log('Chave:', secret)

// Gerar um token TOTP (válido por 30 segundos)
const token = generateGoogleAuthToken(secret)
console.log('Token:', token)

// Verificar se o token é válido
const result = verifyGoogleAuthToken(secret, token)
if (result) {
  console.log('Token válido!')
} else {
  console.log('Token inválido!')
}

// Gerar URI para cadastro em apps autenticadores
const uri = generateTotpUri(secret, '[email protected]', 'MinhaApp')
console.log('URI:', uri)

API

generateGoogleAuthKey()

Gera uma chave secreta base32 formatada para uso em apps autenticadores.

generateGoogleAuthToken(secret: string): string

Gera um token TOTP de 6 dígitos usando a chave informada.

verifyGoogleAuthToken(secret: string, token: string): VerifyResult | null

Verifica se o token informado é válido para a chave. Retorna um objeto com informações ou null se inválido.

generateTotpUri(secret: string, accountName?: string, issuer?: string, algo?: string, digits?: number, period?: number): string

Gera uma URI no padrão otpauth para cadastro em apps autenticadores.

Testes

Execute os testes com:

pnpm test

Licença

MIT