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package de.torui.coflsky.websocket;
/*
* Copyright (C) 2015 Neo Visionaries Inc.
*
* 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.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Provider;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
/**
* A factory class which creates an {@link SSLContext} that
* naively accepts all certificates without verification.
*
* <pre>
* // Create an SSL context that naively accepts all certificates.
* SSLContext context = NaiveSSLContext.getInstance("TLS");
*
* // Create a socket factory from the SSL context.
* SSLSocketFactory factory = context.getSocketFactory();
*
* // Create a socket from the socket factory.
* SSLSocket socket = factory.createSocket("www.example.com", 443);
* </pre>
*
* @author Takahiko Kawasaki
*/
public class NaiveSSLContext
{
private NaiveSSLContext()
{
}
/**
* Get an SSLContext that implements the specified secure
* socket protocol and naively accepts all certificates
* without verification.
*/
public static SSLContext getInstance(String protocol) throws NoSuchAlgorithmException
{
return init(SSLContext.getInstance(protocol));
}
/**
* Get an SSLContext that implements the specified secure
* socket protocol and naively accepts all certificates
* without verification.
*/
public static SSLContext getInstance(String protocol, Provider provider) throws NoSuchAlgorithmException
{
return init(SSLContext.getInstance(protocol, provider));
}
/**
* Get an SSLContext that implements the specified secure
* socket protocol and naively accepts all certificates
* without verification.
*/
public static SSLContext getInstance(String protocol, String provider) throws NoSuchAlgorithmException, NoSuchProviderException
{
return init(SSLContext.getInstance(protocol, provider));
}
/**
* Set NaiveTrustManager to the given context.
*/
private static SSLContext init(SSLContext context)
{
try
{
// Set NaiveTrustManager.
context.init(null, new TrustManager[] { new NaiveTrustManager() }, null);
}
catch (KeyManagementException e)
{
throw new RuntimeException("Failed to initialize an SSLContext.", e);
}
return context;
}
/**
* A {@link TrustManager} which trusts all certificates naively.
*/
private static class NaiveTrustManager implements X509TrustManager
{
@Override
public X509Certificate[] getAcceptedIssuers()
{
return null;
}
public void checkClientTrusted(X509Certificate[] certs, String authType)
{
}
public void checkServerTrusted(X509Certificate[] certs, String authType)
{
}
}
}
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