spring security BearerPayloadExchangeConverter 源码
spring security BearerPayloadExchangeConverter 代码
文件路径：/rsocket/src/main/java/org/springframework/security/rsocket/authentication/BearerPayloadExchangeConverter.java
/*
* Copyright 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.
*/
package org.springframework.security.rsocket.authentication;
import java.nio.charset.StandardCharsets;
import io.netty.buffer.ByteBuf;
import io.rsocket.metadata.CompositeMetadata;
import reactor.core.publisher.Mono;
import org.springframework.security.core.Authentication;
import org.springframework.security.oauth2.server.resource.BearerTokenAuthenticationToken;
import org.springframework.security.rsocket.api.PayloadExchange;
import org.springframework.security.rsocket.metadata.BearerTokenMetadata;
/**
* Converts from the {@link PayloadExchange} to a {@link BearerTokenAuthenticationToken}
* by extracting {@link BearerTokenMetadata#BEARER_AUTHENTICATION_MIME_TYPE} from the
* metadata.
*
* @author Rob Winch
* @since 5.2
*/
public class BearerPayloadExchangeConverter implements PayloadExchangeAuthenticationConverter {
private static final String BEARER_MIME_TYPE_VALUE = BearerTokenMetadata.BEARER_AUTHENTICATION_MIME_TYPE.toString();
@Override
public Mono<Authentication> convert(PayloadExchange exchange) {
ByteBuf metadata = exchange.getPayload().metadata();
CompositeMetadata compositeMetadata = new CompositeMetadata(metadata, false);
for (CompositeMetadata.Entry entry : compositeMetadata) {
if (BEARER_MIME_TYPE_VALUE.equals(entry.getMimeType())) {
ByteBuf content = entry.getContent();
String token = content.toString(StandardCharsets.UTF_8);
return Mono.just(new BearerTokenAuthenticationToken(token));
}
}
return Mono.empty();
}
}
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