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1 files changed, 324 insertions, 0 deletions

diff --git a/libjava/classpath/javax/net/ssl/HttpsURLConnection.java b/libjava/classpath/javax/net/ssl/HttpsURLConnection.java
new file mode 100644
index 000000000..c02cb9e7b
--- /dev/null
+++ b/libjava/classpath/javax/net/ssl/HttpsURLConnection.java
@@ -0,0 +1,324 @@
+/* HttpsURLConnection.java -- an HTTPS connection.
+   Copyright (C) 2004, 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.net.ssl;
+
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.security.Principal;
+import java.security.cert.Certificate;
+import java.security.cert.X509Certificate;
+
+/**
+ * A URL connection that connects via the <i>Secure Socket Layer</i>
+ * (<b>SSL</b>) for HTTPS connections.
+ *
+ * <p>This class may be used in the same way as {@link
+ * HttpURLConnection}, and it will transparently negotiate the SSL
+ * connection.
+ *
+ * @author Casey Marshall (rsdio@metastatic.org)
+ */
+public abstract class HttpsURLConnection extends HttpURLConnection
+{
+
+  // Fields.
+  // ------------------------------------------------------------------
+
+  /**
+   * The default verifier.
+   * This is lazily initialized as required.
+   * @see #getDefaultHostnameVerifier
+   */
+  private static HostnameVerifier defaultVerifier;
+
+  /**
+   * The default factory.
+   * This is lazily initialized as required.
+   * @see #getDefaultSSLSocketFactory
+   */
+  private static SSLSocketFactory defaultFactory;
+
+  /**
+   * The hostname verifier used for this connection.
+   */
+  protected HostnameVerifier hostnameVerifier;
+
+  /**
+   * This connection's socket factory.
+   */
+  private SSLSocketFactory factory;
+
+  // Constructor.
+  // ------------------------------------------------------------------
+
+  /**
+   * Creates a new HTTPS URL connection.
+   *
+   * @param url The URL of the connection being established.
+   * @specnote This was marked as throwing IOException in 1.4,
+   * but this was removed in 1.5.
+   */
+  protected HttpsURLConnection(URL url)
+  {
+    super(url);
+  }
+
+  // Class methods.
+  // ------------------------------------------------------------------
+
+  /**
+   * Returns the default hostname verifier used in all new
+   * connections.
+   * If the default verifier has not been set, a new default one will be
+   * provided by this method.
+   *
+   * @return The default hostname verifier.
+   */
+  public static synchronized HostnameVerifier getDefaultHostnameVerifier()
+  {
+    if (defaultVerifier == null)
+      {
+        defaultVerifier = new TrivialHostnameVerifier();
+      }
+    return defaultVerifier;
+  }
+
+  /**
+   * Sets the default hostname verifier to be used in all new
+   * connections.
+   *
+   * @param newDefault The new default hostname verifier.
+   * @throws IllegalArgumentException If <i>newDefault</i> is null.
+   * @throws SecurityException If there is a security manager
+   *   currently installed and the caller does not have the {@link
+   *   SSLPermission} "setHostnameVerifier".
+   */
+  public static void setDefaultHostnameVerifier(HostnameVerifier newDefault)
+  {
+    if (newDefault == null)
+      throw new IllegalArgumentException("default verifier cannot be null");
+    SecurityManager sm = System.getSecurityManager();
+    if (sm != null)
+      sm.checkPermission(new SSLPermission("setHostnameVerifier"));
+    synchronized (HttpsURLConnection.class)
+      {
+        defaultVerifier = newDefault;
+      }
+  }
+
+  /**
+   * Returns the default SSL socket factory used in all new
+   * connections.
+   * If the default SSL socket factory has not been set, a new default one
+   * will be provided by this method.
+   *
+   * @return The default SSL socket factory.
+   */
+  public static synchronized SSLSocketFactory getDefaultSSLSocketFactory()
+  {
+    if (defaultFactory == null)
+      {
+        try
+          {
+            defaultFactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
+          }
+        catch (Throwable t)
+          {
+            t.printStackTrace();
+          }
+      }
+    return defaultFactory;
+  }
+
+  /**
+   * Sets the default SSL socket factory to be used in all new
+   * connections.
+   *
+   * @param newDefault The new socket factory.
+   * @throws IllegalArgumentException If <i>newDefault</i> is null.
+   * @throws SecurityException If there is a security manager
+   *   installed and a call to {@link
+   *   SecurityManager#checkSetFactory()} fails.
+   */
+  public static void setDefaultSSLSocketFactory(SSLSocketFactory newDefault)
+  {
+    if (newDefault == null)
+      throw new IllegalArgumentException("default factory cannot be null");
+    SecurityManager sm = System.getSecurityManager();
+    if (sm != null)
+      sm.checkSetFactory();
+    synchronized (HttpsURLConnection.class)
+      {
+        defaultFactory = newDefault;
+      }
+  }
+
+  // Instance methods.
+  // ------------------------------------------------------------------
+
+  /**
+   * Returns the current hostname verifier for this instance.
+   *
+   * @return The hostname verifier.
+   */
+  public HostnameVerifier getHostnameVerifier()
+  {
+    if (hostnameVerifier == null)
+      {
+        hostnameVerifier = getDefaultHostnameVerifier();
+      }
+    return hostnameVerifier;
+  }
+
+  /**
+   * Sets the hostname verifier for this instance.
+   *
+   * @param hostnameVerifier The new verifier.
+   * @throws IllegalArgumentException If <i>hostnameVerifier</i> is
+   *   null.
+   */
+  public void setHostnameVerifier(HostnameVerifier hostnameVerifier)
+  {
+    if (hostnameVerifier == null)
+      throw new IllegalArgumentException("verifier cannot be null");
+    this.hostnameVerifier = hostnameVerifier;
+  }
+
+  /**
+   * Returns the current SSL socket factory for this instance.
+   *
+   * @return The current SSL socket factory.
+   */
+  public SSLSocketFactory getSSLSocketFactory()
+  {
+    if (factory == null)
+      {
+        factory = getDefaultSSLSocketFactory();
+      }
+    return factory;
+  }
+
+  /**
+   * Sets the SSL socket factory for this instance.
+   *
+   * @param factory The new factory.
+   * @throws IllegalArgumentException If <i>factory</i> is null.
+   */
+  public void setSSLSocketFactory(SSLSocketFactory factory)
+  {
+    if (factory == null)
+      throw new IllegalArgumentException("factory cannot be null");
+    this.factory = factory;
+  }
+
+  /**
+   * Returns the local principal for this connection.
+   *
+   * <p>The default implementation will return the {@link
+   * javax.security.x500.X500Principal} for the end entity certificate
+   * in the local certificate chain if those certificates are of type
+   * {@link java.security.cert.X509Certificate}. Otherwise, this
+   * method returns <code>null</code>.
+   *
+   * @return The local principal.
+   * @since 1.5
+   */
+  public Principal getLocalPrincipal ()
+  {
+    Certificate[] c = getLocalCertificates ();
+    if (c != null && c.length > 0 && (c[0] instanceof X509Certificate))
+      return ((X509Certificate) c[0]).getSubjectX500Principal ();
+    return null;
+  }
+
+  /**
+   * Returns the remote peer's principal for this connection.
+   *
+   * <p>The default implementation will return the {@link
+   * javax.security.x500.X500Principal} for the end entity certificate
+   * in the remote peer's certificate chain if those certificates are
+   * of type {@link java.security.cert.X509Certificate}. Otherwise,
+   * this method returns <code>null</code>.
+   *
+   * @return The remote principal.
+   * @throws SSLPeerUnverifiedException If the remote peer has not
+   * been verified.
+   * @since 1.5
+   */
+  public Principal getPeerPrincipal () throws SSLPeerUnverifiedException
+  {
+    Certificate[] c = getServerCertificates ();
+    if (c != null && c.length > 0 && (c[0] instanceof X509Certificate))
+      return ((X509Certificate) c[0]).getSubjectX500Principal ();
+    return null;
+  }
+
+  // Abstract methods.
+  // -------------------------------------------------------------------
+
+  /**
+   * Returns the cipher name negotiated for this connection.
+   *
+   * @return The cipher name.
+   * @throws IllegalStateException If the connection has not yet been
+   *   established.
+   */
+  public abstract String getCipherSuite();
+
+  /**
+   * Returns the certificates used on the local side in this
+   * connection.
+   *
+   * @return The local certificates.
+   * @throws IllegalStateException If the connection has not yet been
+   *  established.
+   */
+  public abstract Certificate[] getLocalCertificates();
+
+  /**
+   * Returns the certificates sent by the other party.
+   *
+   * @return The peer's certificates.
+   * @throws IllegalStateException If the connection has not yet been
+   *   established.
+   * @throws SSLPeerUnverifiedException If the peer could not be
+   *   verified.
+   */
+  public abstract Certificate[] getServerCertificates() throws SSLPeerUnverifiedException;
+}