io.fabric8.maven.docker.access.hc.http.HttpClientBuilder Maven / Gradle / Ivy
package io.fabric8.maven.docker.access.hc.http;/*
*
* Copyright 2014 Roland Huss
*
* 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
*
* http://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.
*/
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import javax.net.ssl.SSLContext;
import io.fabric8.maven.docker.access.hc.util.ClientBuilder;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.HttpClientConnectionManager;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.*;
import org.apache.http.impl.conn.BasicHttpClientConnectionManager;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import io.fabric8.maven.docker.access.KeyStoreUtil;
import org.apache.http.ssl.SSLContexts;
/**
* @author roland
* @since 05/06/15
*/
public class HttpClientBuilder implements ClientBuilder {
private final String certPath;
private final int maxConnections;
public HttpClientBuilder(String certPath, int maxConnections) {
this.certPath = certPath;
this.maxConnections = maxConnections;
}
public CloseableHttpClient buildPooledClient() throws IOException {
org.apache.http.impl.client.HttpClientBuilder builder = HttpClients.custom();
HttpClientConnectionManager manager = getPooledConnectionFactory(certPath, maxConnections);
builder.setConnectionManager(manager);
// TODO: For push-redirects working for 301, the redirect strategy should be relaxed (see #351)
// However not sure whether we should do it right now and whether this is correct, since normally
// a 301 should only occur when the image name is invalid (e.g. containing "//" in which case a redirect
// happens to the URL with a single "/")
// builder.setRedirectStrategy(new LaxRedirectStrategy());
// TODO: Tune client if needed (e.g. add pooling factoring .....
// But I think, that's not really required.
return builder.build();
}
public CloseableHttpClient buildBasicClient() throws IOException {
return HttpClients.custom().setConnectionManager(getBasicConnectionFactory(certPath)).build();
}
private static HttpClientConnectionManager getPooledConnectionFactory(String certPath, int maxConnections) throws IOException {
PoolingHttpClientConnectionManager ret = certPath != null ?
new PoolingHttpClientConnectionManager(getSslFactoryRegistry(certPath)) :
new PoolingHttpClientConnectionManager();
ret.setDefaultMaxPerRoute(maxConnections);
ret.setMaxTotal(maxConnections);
return ret;
}
private static HttpClientConnectionManager getBasicConnectionFactory(String certPath) throws IOException {
return certPath != null ?
new BasicHttpClientConnectionManager(getSslFactoryRegistry(certPath)) :
new BasicHttpClientConnectionManager();
}
private static Registry getSslFactoryRegistry(String certPath) throws IOException {
try
{
KeyStore keyStore = KeyStoreUtil.createDockerKeyStore(certPath);
SSLContext sslContext =
SSLContexts.custom()
.useProtocol(SSLConnectionSocketFactory.TLS)
.loadKeyMaterial(keyStore, "docker".toCharArray())
.loadTrustMaterial(keyStore, null)
.build();
String tlsVerify = System.getenv("DOCKER_TLS_VERIFY");
SSLConnectionSocketFactory sslsf =
tlsVerify != null && !tlsVerify.equals("0") && !tlsVerify.equals("false") ?
new SSLConnectionSocketFactory(sslContext) :
new SSLConnectionSocketFactory(sslContext, NoopHostnameVerifier.INSTANCE);
return RegistryBuilder. create().register("https", sslsf).build();
}
catch (GeneralSecurityException e) {
// this isn't ideal but the net effect is the same
throw new IOException(e);
}
}
}