org.springframework.security.authorization.method.AuthorizationManagerAfterReactiveMethodInterceptor Maven / Gradle / Ivy
/*
* Copyright 2002-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.authorization.method;
import java.lang.reflect.Method;
import java.util.function.Function;
import org.aopalliance.aop.Advice;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.reactivestreams.Publisher;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.springframework.aop.Pointcut;
import org.springframework.aop.PointcutAdvisor;
import org.springframework.aop.framework.AopInfrastructureBean;
import org.springframework.core.Ordered;
import org.springframework.core.ReactiveAdapter;
import org.springframework.core.ReactiveAdapterRegistry;
import org.springframework.security.access.prepost.PostAuthorize;
import org.springframework.security.authorization.ReactiveAuthorizationManager;
import org.springframework.security.core.Authentication;
import org.springframework.util.Assert;
/**
* A {@link MethodInterceptor} which can determine if an {@link Authentication} has access
* to the returned object from the {@link MethodInvocation} using the configured
* {@link ReactiveAuthorizationManager}.
*
* @author Evgeniy Cheban
* @since 5.8
*/
public final class AuthorizationManagerAfterReactiveMethodInterceptor
implements Ordered, MethodInterceptor, PointcutAdvisor, AopInfrastructureBean {
private final Pointcut pointcut;
private final ReactiveAuthorizationManager authorizationManager;
private int order = AuthorizationInterceptorsOrder.LAST.getOrder();
/**
* Creates an instance for the {@link PostAuthorize} annotation.
* @return the {@link AuthorizationManagerAfterReactiveMethodInterceptor} to use
*/
public static AuthorizationManagerAfterReactiveMethodInterceptor postAuthorize() {
return postAuthorize(new PostAuthorizeReactiveAuthorizationManager());
}
/**
* Creates an instance for the {@link PostAuthorize} annotation.
* @param authorizationManager the {@link ReactiveAuthorizationManager} to use
* @return the {@link AuthorizationManagerAfterReactiveMethodInterceptor} to use
*/
public static AuthorizationManagerAfterReactiveMethodInterceptor postAuthorize(
ReactiveAuthorizationManager authorizationManager) {
AuthorizationManagerAfterReactiveMethodInterceptor interceptor = new AuthorizationManagerAfterReactiveMethodInterceptor(
AuthorizationMethodPointcuts.forAnnotations(PostAuthorize.class), authorizationManager);
interceptor.setOrder(AuthorizationInterceptorsOrder.POST_AUTHORIZE.getOrder());
return interceptor;
}
/**
* Creates an instance.
* @param pointcut the {@link Pointcut} to use
* @param authorizationManager the {@link ReactiveAuthorizationManager} to use
*/
public AuthorizationManagerAfterReactiveMethodInterceptor(Pointcut pointcut,
ReactiveAuthorizationManager authorizationManager) {
Assert.notNull(pointcut, "pointcut cannot be null");
Assert.notNull(authorizationManager, "authorizationManager cannot be null");
this.pointcut = pointcut;
this.authorizationManager = authorizationManager;
}
/**
* Determines if an {@link Authentication} has access to the returned object from the
* {@link MethodInvocation} using the configured {@link ReactiveAuthorizationManager}.
* @param mi the {@link MethodInvocation} to use
* @return the {@link Publisher} from the {@link MethodInvocation} or a
* {@link Publisher} error if access is denied
*/
@Override
public Object invoke(MethodInvocation mi) throws Throwable {
Method method = mi.getMethod();
Class type = method.getReturnType();
Assert
.state(Publisher.class.isAssignableFrom(type),
() -> String.format(
"The returnType %s on %s must return an instance of org.reactivestreams.Publisher "
+ "(for example, a Mono or Flux) in order to support Reactor Context",
type, method));
Mono authentication = ReactiveAuthenticationUtils.getAuthentication();
Function