Files
b2bcall/apps/api/src/common/guards/auth.guard.ts
B2BCall Bootstrap a2898fa566 feat: add authentication and RBAC
- packages/database: schema Prisma (users/sessions/roles/permissions/
  user_roles/role_permissions/audit_logs/password_reset_tokens), migration
  inicial e seed (permissoes+perfis+bootstrap super_admin com senha
  aleatoria em FIRST_LOGIN.txt). Decisao de ORM (Prisma) documentada em
  docs/ARCHITECTURE.md
- packages/shared: catalogo de permissoes (fonte unica usada por seed e API)
- apps/api: NestJS 11 + Fastify
  - autenticacao: Argon2id, access JWT + refresh token opaco com rotacao,
    cookies HttpOnly/SameSite=Lax, change/forgot/reset password
  - rate limiting progressivo de login via Redis (bloqueio crescente por IP)
  - RBAC reforcado no backend (PermissionsGuard), protecao contra
    auto-elevacao de privilegio
  - auditoria (audit_logs) nas acoes sensiveis, com redacao de segredos
  - health checks reais (postgres+redis), swagger desabilitavel, logs
    estruturados JSON com request_id de correlacao, filtro global de
    excecoes sem vazar erro cru
- infrastructure/docker/api.Dockerfile: build multi-stage do monorepo pnpm
- docker-compose.yml: servico api na rede interna, sem porta publicada

Testado via containers reais: login, /me, refresh, change-password,
rate limit (7 tentativas -> 429), RBAC (nega/permite), bloqueio de
auto-elevacao (403), audit log populado, health checks, lint e testes
unitarios passando.
2026-08-27 12:23:02 -03:00

68 lines
1.9 KiB
TypeScript

import {
CanActivate,
ExecutionContext,
Injectable,
UnauthorizedException,
} from '@nestjs/common';
import { Reflector } from '@nestjs/core';
import { JwtService } from '@nestjs/jwt';
import type { FastifyRequest } from 'fastify';
import { IS_PUBLIC_KEY } from '../decorators/public.decorator';
export interface AuthenticatedUser {
id: string;
email: string;
permissions: string[];
}
type RequestWithUser = FastifyRequest & { user?: AuthenticatedUser };
// Extrai o access token do cookie HttpOnly (fluxo normal do frontend) ou do
// header Authorization (útil para clients/scripts/testes).
function extractToken(request: FastifyRequest): string | null {
const cookieToken = request.cookies?.['access_token'];
if (cookieToken) return cookieToken;
const authHeader = request.headers.authorization;
if (authHeader?.startsWith('Bearer '))
return authHeader.slice('Bearer '.length);
return null;
}
@Injectable()
export class AuthGuard implements CanActivate {
constructor(
private readonly jwtService: JwtService,
private readonly reflector: Reflector,
) {}
async canActivate(context: ExecutionContext): Promise<boolean> {
const isPublic = this.reflector.getAllAndOverride<boolean>(IS_PUBLIC_KEY, [
context.getHandler(),
context.getClass(),
]);
if (isPublic) return true;
const request = context.switchToHttp().getRequest<RequestWithUser>();
const token = extractToken(request);
if (!token) throw new UnauthorizedException('Token de acesso ausente');
try {
const payload = await this.jwtService.verifyAsync<{
sub: string;
email: string;
permissions: string[];
}>(token);
request.user = {
id: payload.sub,
email: payload.email,
permissions: payload.permissions,
} satisfies AuthenticatedUser;
return true;
} catch {
throw new UnauthorizedException('Token de acesso inválido ou expirado');
}
}
}