author | xuelei |
Mon, 25 Jun 2018 13:41:39 -0700 | |
changeset 50768 | 68fa3d4026ea |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.net.ssl.internal.www.protocol.https; |
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import java.net.URL; |
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import java.net.Proxy; |
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import java.io.IOException; |
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import java.util.Collection; |
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import java.util.List; |
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import java.util.Iterator; |
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import java.security.Principal; |
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import java.security.cert.*; |
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import javax.security.auth.x500.X500Principal; |
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import sun.security.util.HostnameChecker; |
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import sun.security.util.DerValue; |
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import sun.security.x509.X500Name; |
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import sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection; |
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/** |
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* This class was introduced to provide an additional level of |
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* abstraction between javax.net.ssl.HttpURLConnection and |
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* com.sun.net.ssl.HttpURLConnection objects. <p> |
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* |
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* javax.net.ssl.HttpURLConnection is used in the new sun.net version |
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* of protocol implementation (this one) |
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* com.sun.net.ssl.HttpURLConnection is used in the com.sun version. |
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* |
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*/ |
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parents:
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changeset
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@Deprecated(since="9") |
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@SuppressWarnings("deprecation") // HttpsURLConnection is deprecated |
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public class DelegateHttpsURLConnection extends AbstractDelegateHttpsURLConnection { |
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// we need a reference to the HttpsURLConnection to get |
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// the properties set there |
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// we also need it to be public so that it can be referenced |
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// from sun.net.www.protocol.http.HttpURLConnection |
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// this is for ResponseCache.put(URI, URLConnection) |
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// second parameter needs to be cast to javax.net.ssl.HttpsURLConnection |
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// instead of AbstractDelegateHttpsURLConnection |
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public com.sun.net.ssl.HttpsURLConnection httpsURLConnection; |
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DelegateHttpsURLConnection(URL url, |
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sun.net.www.protocol.http.Handler handler, |
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com.sun.net.ssl.HttpsURLConnection httpsURLConnection) |
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throws IOException { |
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this(url, null, handler, httpsURLConnection); |
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} |
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DelegateHttpsURLConnection(URL url, Proxy p, |
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sun.net.www.protocol.http.Handler handler, |
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com.sun.net.ssl.HttpsURLConnection httpsURLConnection) |
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throws IOException { |
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super(url, p, handler); |
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this.httpsURLConnection = httpsURLConnection; |
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} |
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protected javax.net.ssl.SSLSocketFactory getSSLSocketFactory() { |
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return httpsURLConnection.getSSLSocketFactory(); |
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} |
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protected javax.net.ssl.HostnameVerifier getHostnameVerifier() { |
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// note: getHostnameVerifier() never returns null |
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return new VerifierWrapper(httpsURLConnection.getHostnameVerifier()); |
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} |
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/* |
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* Called by layered delegator's finalize() method to handle closing |
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* the underlying object. |
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*/ |
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protected void dispose() throws Throwable { |
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super.finalize(); |
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} |
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} |
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class VerifierWrapper implements javax.net.ssl.HostnameVerifier { |
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@SuppressWarnings("deprecation") |
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private com.sun.net.ssl.HostnameVerifier verifier; |
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@SuppressWarnings("deprecation") |
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VerifierWrapper(com.sun.net.ssl.HostnameVerifier verifier) { |
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this.verifier = verifier; |
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} |
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/* |
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* In com.sun.net.ssl.HostnameVerifier the method is defined |
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* as verify(String urlHostname, String certHostname). |
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* This means we need to extract the hostname from the X.509 certificate |
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* in this wrapper. |
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*/ |
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public boolean verify(String hostname, javax.net.ssl.SSLSession session) { |
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try { |
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Certificate[] serverChain = session.getPeerCertificates(); |
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if ((serverChain == null) || (serverChain.length == 0)) { |
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return false; |
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} |
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if (serverChain[0] instanceof X509Certificate == false) { |
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return false; |
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} |
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X509Certificate serverCert = (X509Certificate)serverChain[0]; |
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String serverName = getServername(serverCert); |
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if (serverName == null) { |
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return false; |
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} |
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return verifier.verify(hostname, serverName); |
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} catch (javax.net.ssl.SSLPeerUnverifiedException e) { |
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return false; |
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} |
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} |
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/* |
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* Extract the name of the SSL server from the certificate. |
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* |
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* Note this code is essentially a subset of the hostname extraction |
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* code in HostnameChecker. |
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*/ |
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private static String getServername(X509Certificate peerCert) { |
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try { |
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// compare to subjectAltNames if dnsName is present |
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Collection<List<?>> subjAltNames = peerCert.getSubjectAlternativeNames(); |
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if (subjAltNames != null) { |
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for (Iterator<List<?>> itr = subjAltNames.iterator(); itr.hasNext(); ) { |
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List<?> next = itr.next(); |
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if (((Integer)next.get(0)).intValue() == 2) { |
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// compare dNSName with host in url |
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String dnsName = ((String)next.get(1)); |
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return dnsName; |
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} |
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} |
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} |
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// else check against common name in the subject field |
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X500Name subject = HostnameChecker.getSubjectX500Name(peerCert); |
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DerValue derValue = subject.findMostSpecificAttribute |
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(X500Name.commonName_oid); |
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if (derValue != null) { |
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try { |
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String name = derValue.getAsString(); |
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return name; |
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} catch (IOException e) { |
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// ignore |
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} |
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} |
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} catch (java.security.cert.CertificateException e) { |
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// ignore |
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} |
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return null; |
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} |
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} |