1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.net.http; 18 19 import org.apache.harmony.xnet.provider.jsse.TrustManagerImpl; 20 21 import java.security.cert.CertificateException; 22 import java.security.cert.X509Certificate; 23 import java.util.List; 24 25 import javax.net.ssl.X509TrustManager; 26 27 /** 28 * X509TrustManager wrapper exposing Android-added features. 29 * 30 * <p> The checkServerTrusted method allows callers to perform additional 31 * verification of certificate chains after they have been successfully 32 * verified by the platform.</p> 33 */ 34 public class X509TrustManagerExtensions { 35 36 TrustManagerImpl mDelegate; 37 38 /** 39 * Constructs a new X509TrustManagerExtensions wrapper. 40 * 41 * @param tm A {@link X509TrustManager} as returned by TrustManagerFactory.getInstance(); 42 * @throws IllegalArgumentException If tm is an unsupported TrustManager type. 43 */ 44 public X509TrustManagerExtensions(X509TrustManager tm) throws IllegalArgumentException { 45 if (tm instanceof TrustManagerImpl) { 46 mDelegate = (TrustManagerImpl) tm; 47 } else { 48 throw new IllegalArgumentException("tm is not a supported type of X509TrustManager"); 49 } 50 } 51 52 /** 53 * Verifies the given certificate chain. 54 * 55 * <p>See {@link X509TrustManager#checkServerTrusted(X509Certificate[], String)} for a 56 * description of the chain and authType parameters. The final parameter, host, should be the 57 * hostname of the server.</p> 58 * 59 * @throws CertificateException if the chain does not verify correctly. 60 * @return the properly ordered chain used for verification as a list of X509Certificates. 61 */ 62 public List<X509Certificate> checkServerTrusted(X509Certificate[] chain, String authType, 63 String host) throws CertificateException { 64 return mDelegate.checkServerTrusted(chain, authType, host); 65 } 66 } 67