org.springframework.security.web.reactive.result.method.annotation.CurrentSecurityContextArgumentResolver Maven / Gradle / Ivy
/*
* Copyright 2002-2019 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.
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package org.springframework.security.web.reactive.result.method.annotation;
import java.lang.annotation.Annotation;
import org.reactivestreams.Publisher;
import reactor.core.publisher.Mono;
import org.springframework.core.MethodParameter;
import org.springframework.core.ReactiveAdapter;
import org.springframework.core.ReactiveAdapterRegistry;
import org.springframework.core.ResolvableType;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.expression.BeanResolver;
import org.springframework.expression.Expression;
import org.springframework.expression.ExpressionParser;
import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.expression.spel.support.StandardEvaluationContext;
import org.springframework.security.core.annotation.CurrentSecurityContext;
import org.springframework.security.core.context.ReactiveSecurityContextHolder;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
import org.springframework.web.reactive.BindingContext;
import org.springframework.web.reactive.result.method.HandlerMethodArgumentResolverSupport;
import org.springframework.web.server.ServerWebExchange;
/**
* Resolves the {@link SecurityContext}
*
* @author Dan Zheng
* @since 5.2
*/
public class CurrentSecurityContextArgumentResolver extends HandlerMethodArgumentResolverSupport {
private ExpressionParser parser = new SpelExpressionParser();
private BeanResolver beanResolver;
public CurrentSecurityContextArgumentResolver(ReactiveAdapterRegistry adapterRegistry) {
super(adapterRegistry);
}
/**
* Sets the {@link BeanResolver} to be used on the expressions
* @param beanResolver the {@link BeanResolver} to use
*/
public void setBeanResolver(BeanResolver beanResolver) {
Assert.notNull(beanResolver, "beanResolver cannot be null");
this.beanResolver = beanResolver;
}
@Override
public boolean supportsParameter(MethodParameter parameter) {
return isMonoSecurityContext(parameter)
|| findMethodAnnotation(CurrentSecurityContext.class, parameter) != null;
}
private boolean isMonoSecurityContext(MethodParameter parameter) {
boolean isParameterPublisher = Publisher.class.isAssignableFrom(parameter.getParameterType());
if (isParameterPublisher) {
ResolvableType resolvableType = ResolvableType.forMethodParameter(parameter);
Class genericType = resolvableType.resolveGeneric(0);
if (genericType == null) {
return false;
}
return SecurityContext.class.isAssignableFrom(genericType);
}
return false;
}
@Override
public Mono