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Segurança Quarkus

Melhores práticas de segurança para Quarkus: autenticação, autorização, JWT/OIDC, RBAC, validação de entrada, CSRF, gerenciamento de segredos e segurança de dependências. Use ao revisar autenticação/autorização Quarkus, JWT ou OIDC, RBAC, validação ou segredos.

O que é Segurança Quarkus?

Este skill fornece um conjunto abrangente de diretrizes e exemplos de código para garantir a segurança de aplicações Quarkus. Ele cobre tópicos essenciais como autenticação via JWT e OIDC, autorização baseada em papéis (RBAC) com @RolesAllowed e SecurityIdentity, validação de entrada com Bean Validation e validadores customizados, prevenção de SQL injection, hashing de senhas com BCrypt, configuração de CORS, gerenciamento de segredos com variáveis de ambiente e HashiCorp Vault, limitação de taxa, headers de segurança e logging de auditoria. O skill é ideal para desenvolvedores que precisam revisar ou implementar segurança em endpoints e recursos Quarkus, garantindo que as melhores práticas sejam seguidas e que vulnerabilidades comuns sejam evitadas. Ele também inclui dicas sobre varredura de dependências para CVEs e testes de segurança.

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Documentação

Revisão de Segurança Quarkus

Melhores práticas para proteger aplicações Quarkus com autenticação, autorização e validação de entrada.

Quando Ativar

  • Adicionar autenticação (JWT, OIDC, Basic Auth)
  • Implementar autorização com @RolesAllowed ou SecurityIdentity
  • Validar entrada do usuário (Bean Validation, validadores customizados)
  • Configurar CORS ou cabeçalhos de segurança
  • Gerenciar segredos (Vault, variáveis de ambiente, fontes de configuração)
  • Adicionar limitação de taxa ou proteção contra força bruta
  • Escanear dependências por CVEs
  • Trabalhar com MicroProfile JWT ou SmallRye JWT

Autenticação

Autenticação JWT

// Recurso protegido com JWT
@Path("/api/protected")
@Authenticated
public class ProtectedResource {

  @Inject
  JsonWebToken jwt;

  @Inject
  SecurityIdentity securityIdentity;

  @GET
  public Response getData() {
    String username = jwt.getName();
    Set<String> roles = jwt.getGroups();
    return Response.ok(Map.of(
        "username", username,
        "roles", roles,
        "principal", securityIdentity.getPrincipal().getName()
    )).build();
  }
}

Configuração (application.properties):

mp.jwt.verify.publickey.location=publicKey.pem
mp.jwt.verify.issuer=https://auth.example.com

# OIDC
quarkus.oidc.auth-server-url=https://auth.example.com/realms/myrealm
quarkus.oidc.client-id=backend-service
quarkus.oidc.credentials.secret=${OIDC_SECRET}

Filtro de Autenticação Customizado

@Provider
@Priority(Priorities.AUTHENTICATION)
public class CustomAuthFilter implements ContainerRequestFilter {

  @Inject
  SecurityIdentity identity;

  @Override
  public void filter(ContainerRequestContext requestContext) {
    String authHeader = requestContext.getHeaderString(HttpHeaders.AUTHORIZATION);

    // Rejeitar imediatamente se o cabeçalho estiver ausente ou malformado
    if (authHeader == null || !authHeader.startsWith("Bearer ")) {
      requestContext.abortWith(Response.status(Response.Status.UNAUTHORIZED).build());
      return;
    }

    String token = authHeader.substring(7);
    if (!validateToken(token)) {
      requestContext.abortWith(Response.status(Response.Status.UNAUTHORIZED).build());
    }
  }

  private boolean validateToken(String token) {
    // Lógica de validação do token
    return true;
  }
}

Autorização

Controle de Acesso Baseado em Papéis

@Path("/api/admin")
@RolesAllowed("ADMIN")
public class AdminResource {

  @GET
  @Path("/users")
  public List<UserDto> listUsers() {
    return userService.findAll();
  }

  @DELETE
  @Path("/users/{id}")
  @RolesAllowed({"ADMIN", "SUPER_ADMIN"})
  public Response deleteUser(@PathParam("id") Long id) {
    userService.delete(id);
    return Response.noContent().build();
  }
}

@Path("/api/users")
public class UserResource {

  @Inject
  SecurityIdentity securityIdentity;

  @GET
  @Path("/{id}")
  @RolesAllowed("USER")
  public Response getUser(@PathParam("id") Long id) {
    // Verificar propriedade
    if (!securityIdentity.hasRole("ADMIN") &&
        !isOwner(id, securityIdentity.getPrincipal().getName())) {
      return Response.status(Response.Status.FORBIDDEN).build();
    }
    return Response.ok(userService.findById(id)).build();
  }

  private boolean isOwner(Long userId, String username) {
    return userService.isOwner(userId, username);
  }
}

Segurança Programática

@ApplicationScoped
public class SecurityService {

  @Inject
  SecurityIdentity securityIdentity;

  public boolean canAccessResource(Long resourceId) {
    if (securityIdentity.isAnonymous()) {
      return false;
    }

    if (securityIdentity.hasRole("ADMIN")) {
      return true;
    }

    String userId = securityIdentity.getPrincipal().getName();
    return resourceRepository.isOwner(resourceId, userId);
  }
}

Validação de Entrada

Bean Validation

// RUIM: Sem validação
@POST
public Response createUser(UserDto dto) {
  return Response.ok(userService.create(dto)).build();
}

// BOM: DTO validado
public record CreateUserDto(
    @NotBlank @Size(max = 100) String name,
    @NotBlank @Email String email,
    @NotNull @Min(18) @Max(150) Integer age,
    @Pattern(regexp = "^\\+?[1-9]\\d{1,14}$") String phone
) {}

@POST
@Path("/users")
public Response createUser(@Valid CreateUserDto dto) {
  User user = userService.create(dto);
  return Response.status(Response.Status.CREATED).entity(user).build();
}

Validadores Customizados

@Target({ElementType.FIELD, ElementType.PARAMETER})
@Retention(RetentionPolicy.RUNTIME)
@Constraint(validatedBy = UsernameValidator.class)
public @interface ValidUsername {
  String message() default "Formato de nome de usuário inválido";
  Class<?>[] groups() default {};
  Class<? extends Payload>[] payload() default {};
}

public class UsernameValidator implements ConstraintValidator<ValidUsername, String> {
  @Override
  public boolean isValid(String value, ConstraintValidatorContext context) {
    if (value == null) return false;
    return value.matches("^[a-zA-Z0-9_-]{3,20}$");
  }
}

// Uso
public record CreateUserDto(
    @ValidUsername String username,
    @NotBlank @Email String email
) {}

Prevenção de SQL Injection

Panache Active Record (Seguro por Padrão)

// BOM: Consultas parametrizadas com Panache
List<User> users = User.list("email = ?1 and active = ?2", email, true);

Optional<User> user = User.find("username", username).firstResultOptional();

// BOM: Parâmetros nomeados
List<User> users = User.list("email = :email and age > :minAge",
    Parameters.with("email", email).and("minAge", 18));

Consultas Nativas (Use Parâmetros)

// RUIM: Concatenação de strings
@Query(value = "SELECT * FROM users WHERE name = '" + name + "'", nativeQuery = true)

// BOM: Consulta nativa parametrizada
@Entity
public class User extends PanacheEntity {
  public static List<User> findByEmailNative(String email) {
    return getEntityManager()
        .createNativeQuery("SELECT * FROM users WHERE email = :email", User.class)
        .setParameter("email", email)
        .getResultList();
  }
}

Hash de Senhas

@ApplicationScoped
public class PasswordService {

  public String hash(String plainPassword) {
    return BcryptUtil.bcryptHash(plainPassword);
  }

  public boolean verify(String plainPassword, String hashedPassword) {
    return BcryptUtil.matches(plainPassword, hashedPassword);
  }
}

// No serviço
@ApplicationScoped
public class UserService {
  @Inject
  PasswordService passwordService;

  @Transactional
  public User register(CreateUserDto dto) {
    String hashedPassword = passwordService.hash(dto.password());
    User user = new User();
    user.email = dto.email();
    user.password = hashedPassword;
    user.persist();
    return user;
  }

  public boolean authenticate(String email, String password) {
    return User.find("email", email)
        .firstResultOptional()
        .map(u -> passwordService.verify(password, u.password))
        .orElse(false);
  }
}

Configuração CORS

# application.properties
quarkus.http.cors=true
quarkus.http.cors.origins=https://app.example.com,https://admin.example.com
quarkus.http.cors.methods=GET,POST,PUT,DELETE
quarkus.http.cors.headers=accept,authorization,content-type,x-requested-with
quarkus.http.cors.exposed-headers=Content-Disposition
quarkus.http.cors.access-control-max-age=24H
quarkus.http.cors.access-control-allow-credentials=true

Gerenciamento de Segredos

# application.properties - NENHUM SEGREDO AQUI

# Use variáveis de ambiente
quarkus.datasource.username=${DB_USER}
quarkus.datasource.password=${DB_PASSWORD}
quarkus.oidc.credentials.secret=${OIDC_CLIENT_SECRET}

# Ou use Vault
quarkus.vault.url=https://vault.example.com
quarkus.vault.authentication.kubernetes.role=my-role

Integração com HashiCorp Vault

@ApplicationScoped
public class SecretService {

  @ConfigProperty(name = "api-key")
  String apiKey; // Obtido do Vault

  public String getSecret(String key) {
    return ConfigProvider.getConfig().getValue(key, String.class);
  }
}

Limitação de Taxa

Nota de Segurança: Nunca use X-Forwarded-For diretamente — clientes podem falsificá-lo. Use o endereço remoto real da requisição do servlet, ou uma identidade autenticada (chave de API, assunto JWT) quando disponível.

@ApplicationScoped
public class RateLimitFilter implements ContainerRequestFilter {
  private final Map<String, RateLimiter> limiters = new ConcurrentHashMap<>();

  @Inject
  HttpServletRequest servletRequest;

  @Override
  public void filter(ContainerRequestContext requestContext) {
    String clientId = getClientIdentifier();
    RateLimiter limiter = limiters.computeIfAbsent(clientId,
        k -> RateLimiter.create(100.0)); // 100 requisições por segundo

    if (!limiter.tryAcquire()) {
      requestContext.abortWith(
          Response.status(429)
              .entity(Map.of("error", "Muitas requisições"))
              .build()
      );
    }
  }

  private String getClientIdentifier() {
    // Use o endereço remoto fornecido pelo container (não X-Forwarded-For).
    // Se estiver atrás de um proxy confiável, configure quarkus.http.proxy.proxy-address-forwarding=true
    // para que getRemoteAddr() retorne o IP real do cliente.
    return servletRequest.getRemoteAddr();
  }
}

Cabeçalhos de Segurança

@Provider
public class SecurityHeadersFilter implements ContainerResponseFilter {

  @Override
  public void filter(ContainerRequestContext request, ContainerResponseContext response) {
    MultivaluedMap<String, Object> headers = response.getHeaders();

    // Prevenir clickjacking
    headers.putSingle("X-Frame-Options", "DENY");

    // Proteção XSS
    headers.putSingle("X-Content-Type-Options", "nosniff");
    headers.putSingle("X-XSS-Protection", "1; mode=block");

    // HSTS
    headers.putSingle("Strict-Transport-Security", "max-age=31536000; includeSubDomains");

    // CSP — evite 'unsafe-inline' para script-src, pois anula a proteção XSS;
    // use nonces ou hashes. 'unsafe-inline' para style-src é aceitável
    // quando frameworks CSS exigem, mas prefira nonces quando possível.
    headers.putSingle("Content-Security-Policy",
        "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'");
  }
}

Log de Auditoria

@ApplicationScoped
public class AuditService {
  private static final Logger LOG = Logger.getLogger(AuditService.class);

  @Inject
  SecurityIdentity securityIdentity;

  public void logAccess(String resource, String action) {
    String user = securityIdentity.isAnonymous()
        ? "anonymous"
        : securityIdentity.getPrincipal().getName();

    LOG.infof("AUDIT: user=%s action=%s resource=%s timestamp=%s",
        user, action, resource, Instant.now());
  }
}

// Uso no recurso
@Path("/api/sensitive")
public class SensitiveResource {
  @Inject
  AuditService auditService;

  @GET
  @RolesAllowed("ADMIN")
  public Response getData() {
    auditService.logAccess("sensitive-data", "READ");
    return Response.ok(data).build();
  }
}

Varredura de Segurança de Dependências

# Maven
mvn org.owasp:dependency-check-maven:check

# Gradle
./gradlew dependencyCheckAnalyze

# Verificar extensões Quarkus
quarkus extension list --installable

Melhores Práticas

  • Sempre use HTTPS em produção
  • Habilite JWT ou OIDC para autenticação sem estado
  • Use @RolesAllowed para autorização declarativa
  • Valide toda entrada com Bean Validation
  • Faça hash de senhas com BCrypt (nunca texto simples)
  • Armazene segredos em Vault ou variáveis de ambiente
  • Use consultas parametrizadas para prevenir SQL injection
  • Adicione cabeçalhos de segurança a todas as respostas
  • Implemente limitação de taxa para endpoints públicos
  • Audite operações sensíveis
  • Mantenha dependências atualizadas e escaneie por CVEs
  • Use SecurityIdentity para verificações programáticas
  • Defina políticas CORS apropriadas
  • Teste caminhos de autenticação e autorização

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

accessibility

Design, implement, and audit inclusive digital products using WCAG 2.2 Level AA. Use when building or auditing UI that must meet WCAG 2.2 Level AA, or when reviewing a change for keyboard, contrast, or screen-reader support.

affaan-m/content-engine

Create platform-native content systems for X, LinkedIn, TikTok, YouTube, newsletters, and repurposed multi-platform campaigns. Use when the user wants social posts, threads, scripts, content calendars, or one source asset adapted cleanly across platforms.

affaan-m/ECC

Multi-platform content distribution across X, LinkedIn, Threads, and Bluesky. Adapts content per platform using content-engine patterns. Never posts identical content cross-platform. Use when the user wants to distribute content across social platforms.

affaan-m/fal-ai-media

Unified media generation via fal.ai MCP — image, video, and audio. Covers text-to-image (Nano Banana), text/image-to-video (Seedance, Kling, Veo 3), text-to-speech (CSM-1B), and video-to-audio (ThinkSound). Use when the user wants to generate images, videos, or audio with AI.

affaan-m/manim-video

日本語翻訳:このファイルは manim-video 用の日本語翻訳が必要です

affaan-m/remotion-video-creation

Remotion のベストプラクティス - React で動画を作成する。3D、アニメーション、音声、字幕、チャート、トランジションなどをカバーするドメイン固有の29のルール。

affaan-m/video-editing

AI-assisted video editing workflows for cutting, structuring, and augmenting real footage. Covers the full pipeline from raw capture through FFmpeg, Remotion, ElevenLabs, fal.ai, and final polish in Descript or CapCut. Use when the user wants to edit video, cut footage, create vlogs, or build video content.

agent-architecture-audit

Full-stack diagnostic for agent and LLM applications. Audits the 12-layer agent stack for wrapper regression, memory pollution, tool discipline failures, hidden repair loops, and rendering corruption. Produces severity-ranked findings with code-first fixes. Essential for developers building agent applications, autonomous loops, or any LLM-powered feature. Use when an agent or LLM feature misbehaves and the failing layer is unknown, or before shipping an agent stack.

agent-eval

Head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc.) on custom tasks with pass rate, cost, time, and consistency metrics. Use when choosing between coding agents, or when a change to an agent setup needs measured pass rate, cost, and time rather than an impression.

agent-harness-construction

Design and optimize AI agent action spaces, tool definitions, and observation formatting for higher completion rates. Use when defining or revising an agent

agentic-engineering

Operate as an agentic engineer using eval-first execution, decomposition, and cost-aware model routing. Use when planning or executing engineering work that agents will carry out end to end.

agentic-os

Build persistent multi-agent operating systems on Claude Code. Covers kernel architecture, specialist agents, slash commands, file-based memory, scheduled automation, and state management without external databases. Use when building a persistent multi-agent system on Claude Code with its own memory, commands, and scheduling.

agent-introspection-debugging

Structured self-debugging workflow for AI agent failures using capture, diagnosis, contained recovery, and introspection reports. Use when an agent run fails and you need a reproducible diagnosis instead of a retry.

agent-payment-x402

Add x402 payment execution to AI agents with per-task budgets, spending controls, and non-custodial wallets. Supports Base through agentwallet-sdk and X Layer through OKX Payments / OKX Agent Payments Protocol. Use when an agent must pay for something itself and needs per-task budgets, spending controls, and a non-custodial wallet.

agent-self-evaluation

Use after completing any non-trivial task. The agent self-rates its output on 5 axes — accuracy, completeness, clarity, actionability, conciseness — with concrete evidence per criterion. Produces a structured 1-5 scorecard with specific improvement suggestions.

agent-sort

Build an evidence-backed ECC install plan for a specific repo by sorting skills, commands, rules, hooks, and extras into DAILY vs LIBRARY buckets using parallel repo-aware review passes. Use when ECC should be trimmed to what a project actually needs instead of loading the full bundle.

ai-first-engineering

Engineering operating model for teams where AI agents generate a large share of implementation output. Use when setting team process, review gates, or ownership rules for a codebase largely written by agents.

ai-regression-testing

Regression testing strategies for AI-assisted development. Sandbox-mode API testing without database dependencies, automated bug-check workflows, and patterns to catch AI blind spots where the same model writes and reviews code. Use when adding regression coverage to AI-assisted code, or when the same model both wrote and reviewed a change.

android-clean-architecture

Clean Architecture patterns for Android and Kotlin Multiplatform projects — module structure, dependency rules, UseCases, Repositories, and data layer patterns. Use when structuring modules, layers, or data flow in an Android or KMP project.

angular-developer

Generates Angular code and provides architectural guidance. Trigger when creating projects, components, or services, or for best practices on reactivity (signals, linkedSignal, resource), forms, dependency injection, routing, SSR, accessibility (ARIA), animations, styling (component styles, Tailwind CSS), testing, or CLI tooling.

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