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+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/conn/ssl/StrictHostnameVerifier.java $
+ * $Revision: 617642 $
+ * $Date: 2008-02-01 12:54:07 -0800 (Fri, 01 Feb 2008) $
+ *
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.conn.ssl;
+
+import javax.net.ssl.SSLException;
+
+/**
+ * The Strict HostnameVerifier works the same way as Sun Java 1.4, Sun
+ * Java 5, Sun Java 6-rc. It's also pretty close to IE6. This
+ * implementation appears to be compliant with RFC 2818 for dealing with
+ * wildcards.
+ * <p/>
+ * The hostname must match either the first CN, or any of the subject-alts.
+ * A wildcard can occur in the CN, and in any of the subject-alts. The
+ * one divergence from IE6 is how we only check the first CN. IE6 allows
+ * a match against any of the CNs present. We decided to follow in
+ * Sun Java 1.4's footsteps and only check the first CN. (If you need
+ * to check all the CN's, feel free to write your own implementation!).
+ * <p/>
+ * A wildcard such as "*.foo.com" matches only subdomains in the same
+ * level, for example "a.foo.com". It does not match deeper subdomains
+ * such as "a.b.foo.com".
+ *
+ * @author Julius Davies
+ */
+public class StrictHostnameVerifier extends AbstractVerifier {
+
+ public final void verify(
+ final String host,
+ final String[] cns,
+ final String[] subjectAlts) throws SSLException {
+ verify(host, cns, subjectAlts, true);
+ }
+
+ @Override
+ public final String toString() {
+ return "STRICT";
+ }
+
+}