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/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Code Technology Studio
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package org.dromara.jpom.ssh;
import com.github.dockerjava.transport.DockerHttpClient;
import com.jcraft.jsch.Session;
import lombok.extern.slf4j.Slf4j;
import org.apache.hc.client5.http.classic.methods.HttpUriRequestBase;
import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
import org.apache.hc.client5.http.impl.classic.CloseableHttpResponse;
import org.apache.hc.client5.http.impl.classic.HttpClients;
import org.apache.hc.client5.http.impl.io.ManagedHttpClientConnectionFactory;
import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager;
import org.apache.hc.client5.http.socket.ConnectionSocketFactory;
import org.apache.hc.client5.http.socket.PlainConnectionSocketFactory;
import org.apache.hc.core5.http.*;
import org.apache.hc.core5.http.config.Registry;
import org.apache.hc.core5.http.config.RegistryBuilder;
import org.apache.hc.core5.http.impl.DefaultContentLengthStrategy;
import org.apache.hc.core5.http.impl.io.EmptyInputStream;
import org.apache.hc.core5.http.io.entity.InputStreamEntity;
import org.apache.hc.core5.http.protocol.BasicHttpContext;
import org.apache.hc.core5.http.protocol.HttpContext;
import org.apache.hc.core5.net.URIAuthority;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
import java.net.URI;
import java.util.List;
import java.util.Map;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* https://github.com/docker-java/docker-java
*
* @author docker-java-transport-httpclient5
*/
@Slf4j
public final class JschDockerHttpClient implements DockerHttpClient {
private final Session session;
private final CloseableHttpClient httpClient;
private final HttpHost host;
public JschDockerHttpClient(URI dockerHostUri, Supplier sessionSupplier) {
this.session = sessionSupplier.get();
Registry socketFactoryRegistry = createConnectionSocketFactoryRegistry(session);
//
if ("ssh".equals(dockerHostUri.getScheme())) {
host = new HttpHost(dockerHostUri.getScheme(), dockerHostUri.getHost(), 2375);
} else {
host = HttpHost.create(dockerHostUri);
}
httpClient = HttpClients.custom()
.setRequestExecutor(new HijackingHttpRequestExecutor(null))
.setConnectionManager(new PoolingHttpClientConnectionManager(
socketFactoryRegistry,
new ManagedHttpClientConnectionFactory(
null,
null,
null,
null,
message -> {
Header transferEncodingHeader = message.getFirstHeader(HttpHeaders.TRANSFER_ENCODING);
if (transferEncodingHeader != null) {
if ("identity".equalsIgnoreCase(transferEncodingHeader.getValue())) {
return ContentLengthStrategy.UNDEFINED;
}
}
return DefaultContentLengthStrategy.INSTANCE.determineLength(message);
},
null
)
))
.build();
}
@Override
public Response execute(Request request) {
HttpContext context = new BasicHttpContext();
HttpUriRequestBase httpUriRequest = new HttpUriRequestBase(request.method(), URI.create(request.path()));
httpUriRequest.setScheme(host.getSchemeName());
httpUriRequest.setAuthority(new URIAuthority(host.getHostName(), host.getPort()));
request.headers().forEach(httpUriRequest::addHeader);
InputStream body = request.body();
if (body != null) {
httpUriRequest.setEntity(new InputStreamEntity(body, null));
}
if (request.hijackedInput() != null) {
context.setAttribute(HijackingHttpRequestExecutor.HIJACKED_INPUT_ATTRIBUTE, request.hijackedInput());
httpUriRequest.setHeader("Upgrade", "tcp");
httpUriRequest.setHeader("Connection", "Upgrade");
}
try {
CloseableHttpResponse response = httpClient.execute(host, httpUriRequest, context);
return new ApacheResponse(httpUriRequest, response);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void close() throws IOException {
try {
session.disconnect();
} catch (Exception e) {
log.debug("session error", e);
}
httpClient.close();
}
@Slf4j
static class ApacheResponse implements Response {
private final HttpUriRequestBase request;
private final CloseableHttpResponse response;
ApacheResponse(HttpUriRequestBase httpUriRequest, CloseableHttpResponse response) {
this.request = httpUriRequest;
this.response = response;
}
@Override
public int getStatusCode() {
return response.getCode();
}
@Override
public Map> getHeaders() {
return Stream.of(response.getHeaders()).collect(Collectors.groupingBy(
NameValuePair::getName,
Collectors.mapping(NameValuePair::getValue, Collectors.toList())
));
}
@Override
public String getHeader(String name) {
Header firstHeader = response.getFirstHeader(name);
return firstHeader != null ? firstHeader.getValue() : null;
}
@Override
public InputStream getBody() {
try {
return response.getEntity() != null
? response.getEntity().getContent()
: EmptyInputStream.INSTANCE;
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void close() {
try {
request.abort();
} catch (Exception e) {
log.debug("Failed to abort the request", e);
}
try {
response.close();
} catch (ConnectionClosedException e) {
log.trace("Failed to close the response", e);
} catch (Exception e) {
log.debug("Failed to close the response", e);
}
}
}
private Registry createConnectionSocketFactoryRegistry(Session session) {
RegistryBuilder socketFactoryRegistryBuilder = RegistryBuilder.create();
return socketFactoryRegistryBuilder
.register("ssh", new PlainConnectionSocketFactory() {
@Override
public Socket createSocket(HttpContext context) throws IOException {
return new JschSocket(session);
}
})
.build();
}
}
