A factory class which creates an SSLContext that naively accepts all certificates without verification.

May 3, 2015 ยท View on GitHub

/*

  • 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.

    • 

  • 

    // 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);
    

    • 

  • 


    • 

  • 

  • 

    @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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    •