EasyX509TrustManager.java

package net.reichholf.dreamdroid.helpers;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.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;

/**
 * @author olamy
 * @version $Id: EasyX509TrustManager.java 765355 2009-04-15 20:59:07Z evenisse
 *          $
 * @since 1.2.3
 */
public class EasyX509TrustManager implements X509TrustManager {

	private X509TrustManager mStandardTrustManager = 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.mStandardTrustManager = (X509TrustManager) trustmanagers[0];
	}

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

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

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

}