Android Open Source - itude-mobile-android-util Easy X509 Trust Manager

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * (C) Copyright Itude Mobile B.V., The Netherlands
 * /* w  w w  .ja v  a2  s  . c  o m*/
 * 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.
 */
package com.itude.mobile.android.util.https;

import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;

/**
 * EasyX509TrustManager unlike default {@link X509TrustManager} accepts self-signed certificates. 
 */
public class EasyX509TrustManager implements X509TrustManager
{

  private X509TrustManager standardTrustManager = null;

  /**
   * Constructor for EasyX509TrustManager.
   */
  public EasyX509TrustManager(KeyStore keystore) throws NoSuchAlgorithmException, KeyStoreException
  {
    super();
    TrustManagerFactory factory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
    factory.init(keystore);
    TrustManager[] trustmanagers = factory.getTrustManagers();
    if (trustmanagers.length == 0)
    {
      throw new NoSuchAlgorithmException("no trust manager found");
    }
    this.standardTrustManager = (X509TrustManager) trustmanagers[0];
  }

  /**
   * @see javax.net.ssl.X509TrustManager#checkClientTrusted(X509Certificate[],String authType)
   */
  @Override
  public void checkClientTrusted(X509Certificate[] certificates, String authType) throws CertificateException
  {
    standardTrustManager.checkClientTrusted(certificates, authType);
  }

  /**
   * @see javax.net.ssl.X509TrustManager#checkServerTrusted(X509Certificate[],String authType)
   */
  @Override
  public void checkServerTrusted(X509Certificate[] certificates, String authType) throws CertificateException
  {
    if ((certificates != null) && (certificates.length == 1))
    {
      certificates[0].checkValidity();
    }
    else
    {
      standardTrustManager.checkServerTrusted(certificates, authType);
    }
  }

  /**
   * @see javax.net.ssl.X509TrustManager#getAcceptedIssuers()
   */
  @Override
  public X509Certificate[] getAcceptedIssuers()
  {
    return this.standardTrustManager.getAcceptedIssuers();
  }

}

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