spring-graphql ReactiveSecurityDataFetcherExceptionResolver 源码
spring-graphql ReactiveSecurityDataFetcherExceptionResolver 代码
文件路径：/spring-graphql/src/main/java/org/springframework/graphql/execution/ReactiveSecurityDataFetcherExceptionResolver.java
/*
* 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.graphql.execution;
import java.util.Collections;
import java.util.List;
import graphql.GraphQLError;
import graphql.schema.DataFetchingEnvironment;
import reactor.core.publisher.Mono;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.authentication.AuthenticationTrustResolver;
import org.springframework.security.authentication.AuthenticationTrustResolverImpl;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.context.ReactiveSecurityContextHolder;
/**
* Reactive
* {@link org.springframework.graphql.execution.DataFetcherExceptionResolver}
* for Spring Security exceptions. For use in applications with a reactive
* transport (e.g. WebFlux HTTP endpoint).
*
* @author Rob Winch
* @author Rossen Stoyanchev
* @since 1.0.0
*/
public class ReactiveSecurityDataFetcherExceptionResolver implements DataFetcherExceptionResolver {
private AuthenticationTrustResolver trustResolver = new AuthenticationTrustResolverImpl();
/**
* Set the resolver to use to check if an authentication is anonymous that
* in turn determines whether {@code AccessDeniedException} is classified
* as "unauthorized" or "forbidden".
* @param trustResolver the resolver to use
*/
public void setAuthenticationTrustResolver(AuthenticationTrustResolver trustResolver) {
this.trustResolver = trustResolver;
}
@Override
public Mono<List<GraphQLError>> resolveException(Throwable ex, DataFetchingEnvironment environment) {
if (ex instanceof AuthenticationException) {
GraphQLError error = SecurityExceptionResolverUtils.resolveUnauthorized(environment);
return Mono.just(Collections.singletonList(error));
}
if (ex instanceof AccessDeniedException) {
return ReactiveSecurityContextHolder.getContext()
.map(context -> Collections.singletonList(
SecurityExceptionResolverUtils.resolveAccessDenied(environment, this.trustResolver, context)))
.switchIfEmpty(Mono.fromCallable(() -> Collections.singletonList(
SecurityExceptionResolverUtils.resolveUnauthorized(environment))));
}
return Mono.empty();
}
}
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