org.springframework.security.web.server.authorization.HttpStatusServerAccessDeniedHandler Maven / Gradle / Ivy
/*
* Copyright 2002-2017 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.web.server.authorization;
import java.nio.charset.Charset;
import reactor.core.publisher.Mono;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.core.io.buffer.DataBufferFactory;
import org.springframework.core.io.buffer.DataBufferUtils;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.util.Assert;
import org.springframework.web.server.ServerWebExchange;
/**
* Sets the provided HTTP Status when access is denied.
*
* @author Rob Winch
* @since 5.0
*/
public class HttpStatusServerAccessDeniedHandler implements ServerAccessDeniedHandler {
private final HttpStatus httpStatus;
/**
* Creates an instance with the provided status
* @param httpStatus the status to use
*/
public HttpStatusServerAccessDeniedHandler(HttpStatus httpStatus) {
Assert.notNull(httpStatus, "httpStatus cannot be null");
this.httpStatus = httpStatus;
}
@Override
public Mono handle(ServerWebExchange exchange, AccessDeniedException ex) {
return Mono.defer(() -> Mono.just(exchange.getResponse())).flatMap((response) -> {
response.setStatusCode(this.httpStatus);
response.getHeaders().setContentType(MediaType.TEXT_PLAIN);
DataBufferFactory dataBufferFactory = response.bufferFactory();
DataBuffer buffer = dataBufferFactory.wrap(ex.getMessage().getBytes(Charset.defaultCharset()));
return response.writeWith(Mono.just(buffer)).doOnError((error) -> DataBufferUtils.release(buffer));
});
}
}