spring security BasicAuthenticationDecoder 源码
spring security BasicAuthenticationDecoder 代码
文件路径：/rsocket/src/main/java/org/springframework/security/rsocket/metadata/BasicAuthenticationDecoder.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.metadata;
import java.util.Map;
import org.reactivestreams.Publisher;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.springframework.core.ResolvableType;
import org.springframework.core.codec.AbstractDecoder;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.util.MimeType;
/**
* Decodes {@link UsernamePasswordMetadata#BASIC_AUTHENTICATION_MIME_TYPE}
*
* @author Rob Winch
* @since 5.2
* @deprecated Basic Authentication did not evolve into a standard. Use Simple
* Authentication instead.
*/
@Deprecated
public class BasicAuthenticationDecoder extends AbstractDecoder<UsernamePasswordMetadata> {
public BasicAuthenticationDecoder() {
super(UsernamePasswordMetadata.BASIC_AUTHENTICATION_MIME_TYPE);
}
@Override
public Flux<UsernamePasswordMetadata> decode(Publisher<DataBuffer> input, ResolvableType elementType,
MimeType mimeType, Map<String, Object> hints) {
return Flux.from(input).map(DataBuffer::asByteBuffer).map((byteBuffer) -> {
byte[] sizeBytes = new byte[4];
byteBuffer.get(sizeBytes);
int usernameSize = 4;
byte[] usernameBytes = new byte[usernameSize];
byteBuffer.get(usernameBytes);
byte[] passwordBytes = new byte[byteBuffer.remaining()];
byteBuffer.get(passwordBytes);
String username = new String(usernameBytes);
String password = new String(passwordBytes);
return new UsernamePasswordMetadata(username, password);
});
}
@Override
public Mono<UsernamePasswordMetadata> decodeToMono(Publisher<DataBuffer> input, ResolvableType elementType,
MimeType mimeType, Map<String, Object> hints) {
return Mono.from(input).map(DataBuffer::asByteBuffer).map((byteBuffer) -> {
int usernameSize = byteBuffer.getInt();
byte[] usernameBytes = new byte[usernameSize];
byteBuffer.get(usernameBytes);
byte[] passwordBytes = new byte[byteBuffer.remaining()];
byteBuffer.get(passwordBytes);
String username = new String(usernameBytes);
String password = new String(passwordBytes);
return new UsernamePasswordMetadata(username, password);
});
}
}
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