quarkus-security
Buenas prácticas de seguridad en Quarkus para autenticación, autorización, JWT/OIDC, RBAC, validación de entrada, CSRF, gestión de secretos y seguridad de dependencias.
What this skill does
# Revisión de Seguridad Quarkus
Buenas prácticas para asegurar aplicaciones Quarkus con autenticación, autorización y validación de entrada.
## Cuándo Activar
- Agregar autenticación (JWT, OIDC, Basic Auth)
- Implementar autorización con @RolesAllowed o SecurityIdentity
- Validar entrada de usuario (Bean Validation, validadores personalizados)
- Configurar CORS o cabeceras de seguridad
- Gestionar secretos (Vault, variables de entorno, fuentes de configuración)
- Agregar limitación de velocidad o protección contra fuerza bruta
- Escanear dependencias por CVEs
- Trabajar con MicroProfile JWT o SmallRye JWT
## Autenticación
### Autenticación JWT
```java
// Recurso protegido con 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();
}
}
```
Configuración (application.properties):
```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 Autenticación Personalizado
```java
@Provider
@Priority(Priorities.AUTHENTICATION)
public class CustomAuthFilter implements ContainerRequestFilter {
@Inject
SecurityIdentity identity;
@Override
public void filter(ContainerRequestContext requestContext) {
String authHeader = requestContext.getHeaderString(HttpHeaders.AUTHORIZATION);
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) {
return true;
}
}
```
## Autorización
### Control de Acceso Basado en Roles
```java
@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) {
if (!securityIdentity.hasRole("ADMIN") &&
!isOwner(id, securityIdentity.getPrincipal().getName())) {
return Response.status(Response.Status.FORBIDDEN).build();
}
return Response.ok(userService.findById(id)).build();
}
}
```
### Seguridad Programática
```java
@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);
}
}
```
## Validación de Entrada
### Bean Validation
```java
// MAL: Sin validación
@POST
public Response createUser(UserDto dto) {
return Response.ok(userService.create(dto)).build();
}
// BIEN: 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 Personalizados
```java
@Target({ElementType.FIELD, ElementType.PARAMETER})
@Retention(RetentionPolicy.RUNTIME)
@Constraint(validatedBy = UsernameValidator.class)
public @interface ValidUsername {
String message() default "Formato de nombre de usuario 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}$");
}
}
```
## Prevención de Inyección SQL
### Panache Active Record (Seguro por Defecto)
```java
// BIEN: Consultas parametrizadas con Panache
List<User> users = User.list("email = ?1 and active = ?2", email, true);
Optional<User> user = User.find("username", username).firstResultOptional();
// BIEN: Parámetros nombrados
List<User> users = User.list("email = :email and age > :minAge",
Parameters.with("email", email).and("minAge", 18));
```
### Consultas Nativas (Usar Parámetros)
```java
// MAL: Concatenación de cadenas
@Query(value = "SELECT * FROM users WHERE name = '" + name + "'", nativeQuery = true)
// BIEN: Consulta nativa parametrizada
@Entity
public class User extends PanacheEntity {
public static List<User> findByEmailNative(String email) {
return getEntityManager()
.createNativeQuery("SELECT * FROM users WHERE email = :email", User.class)
.setParameter("email", email)
.getResultList();
}
}
```
## Hash de Contraseñas
```java
@ApplicationScoped
public class PasswordService {
public String hash(String plainPassword) {
return BcryptUtil.bcryptHash(plainPassword);
}
public boolean verify(String plainPassword, String hashedPassword) {
return BcryptUtil.matches(plainPassword, hashedPassword);
}
}
```
## Configuración de CORS
```properties
# application.properties
quarkus.http.cors=true
quarkus.http.cors.origins=https://app.example.com,https://admin.example.com
quarkus.http.cors.methods=GET,POST,PUT,DELETE
quarkus.http.cors.headers=accept,authorization,content-type,x-requested-with
quarkus.http.cors.access-control-allow-credentials=true
```
## Gestión de Secretos
```properties
# application.properties - SIN SECRETOS AQUÍ
# Usar variables de entorno
quarkus.datasource.username=${DB_USER}
quarkus.datasource.password=${DB_PASSWORD}
quarkus.oidc.credentials.secret=${OIDC_CLIENT_SECRET}
# O usar Vault
quarkus.vault.url=https://vault.example.com
quarkus.vault.authentication.kubernetes.role=my-role
```
## Limitación de Velocidad
**Nota de Seguridad**: Nunca usar `X-Forwarded-For` directamente — los clientes pueden falsificarlo.
Usar la dirección remota real de la solicitud servlet, o una identidad autenticada
(clave API, subject del JWT) cuando esté disponible.
```java
@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 solicitudes por segundo
if (!limiter.tryAcquire()) {
requestContext.abortWith(
Response.status(429)
.entity(Map.of("error", "Demasiadas solicitudes"))
.build()
);
}
}
private String getClientIdentifier() {
// Usar la dirección remota provista por el contenedor (no X-Forwarded-For).
// Si está detrás de un proxy confiable, configurar
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