Initial revision
From-SVN: r102074
This commit is contained in:
Tom Tromey
@@ -0,0 +1,267 @@
|
||||
/* SSLContext.java -- an SSL protocol context.
|
||||
Copyright (C) 2004 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 gnu.java.security.Engine;
|
||||
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
import java.security.KeyManagementException;
|
||||
import java.security.NoSuchAlgorithmException;
|
||||
import java.security.NoSuchProviderException;
|
||||
import java.security.Provider;
|
||||
import java.security.SecureRandom;
|
||||
import java.security.Security;
|
||||
|
||||
/**
|
||||
* A "meta-factory" for protocol-specific socket and server socket
|
||||
* factories. This class serves as a clearinghouse for socket
|
||||
* factories and cached session contexts for a particular protocol,
|
||||
* such as SSLv3.
|
||||
*
|
||||
* @author Casey Marshall (rsdio@metastatic.org)
|
||||
*/
|
||||
public class SSLContext
|
||||
{
|
||||
// Constants and fields.
|
||||
// ------------------------------------------------------------------
|
||||
|
||||
/** Service name for SSL contexts. */
|
||||
private static final String SSL_CONTEXT = "SSLContext";
|
||||
|
||||
/** The underlying engine. */
|
||||
private final SSLContextSpi ctxSpi;
|
||||
|
||||
/** The provider of the engine class. */
|
||||
private final Provider provider;
|
||||
|
||||
/** The protocal name. */
|
||||
private final String protocol;
|
||||
|
||||
// Constructor.
|
||||
// ------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Create a new SSL context.
|
||||
*
|
||||
* @param ctxSpi The context engine.
|
||||
* @param provider The provider of the implementation.
|
||||
* @param protocol The name of the SSL protocol.
|
||||
*/
|
||||
protected SSLContext(SSLContextSpi ctxSpi, Provider provider,
|
||||
String protocol)
|
||||
{
|
||||
this.ctxSpi = ctxSpi;
|
||||
this.provider = provider;
|
||||
this.protocol = protocol;
|
||||
}
|
||||
|
||||
// Class methods.
|
||||
// ------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Get an instance of a context for the specified protocol from the
|
||||
* first provider that implements it.
|
||||
*
|
||||
* @param protocol The name of the protocol to get a context for.
|
||||
* @return The new context.
|
||||
* @throws NoSuchAlgorithm If no provider implements the given
|
||||
* protocol.
|
||||
*/
|
||||
public static final SSLContext getInstance(String protocol)
|
||||
throws NoSuchAlgorithmException
|
||||
{
|
||||
Provider[] provs = Security.getProviders();
|
||||
for (int i = 0; i < provs.length; i++)
|
||||
{
|
||||
try
|
||||
{
|
||||
return getInstance(protocol, provs[i]);
|
||||
}
|
||||
catch (NoSuchAlgorithmException ignore)
|
||||
{
|
||||
}
|
||||
}
|
||||
throw new NoSuchAlgorithmException(protocol);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an instance of a context for the specified protocol from the
|
||||
* named provider.
|
||||
*
|
||||
* @param protocol The name of the protocol to get a context for.
|
||||
* @param provider The name of the provider to get the
|
||||
* implementation from.
|
||||
* @return The new context.
|
||||
* @throws NoSuchAlgorithmException If the provider does not
|
||||
* implement the given protocol.
|
||||
* @throws NoSuchProviderException If the named provider does not
|
||||
* exist.
|
||||
* @throws IllegalArgumentException If <i>provider</i> is null.
|
||||
*/
|
||||
public static final SSLContext getInstance(String protocol,
|
||||
String provider)
|
||||
throws NoSuchAlgorithmException, NoSuchProviderException
|
||||
{
|
||||
if (provider == null)
|
||||
{
|
||||
throw new IllegalArgumentException("null provider");
|
||||
}
|
||||
Provider p = Security.getProvider(provider);
|
||||
if (p == null)
|
||||
{
|
||||
throw new NoSuchProviderException(provider);
|
||||
}
|
||||
return getInstance(protocol, p);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an instance of a context for the specified protocol from the
|
||||
* specified provider.
|
||||
*
|
||||
* @param protocol The name of the protocol to get a context for.
|
||||
* @param provider The name of the provider to get the
|
||||
* implementation from.
|
||||
* @return The new context.
|
||||
* @throws NoSuchAlgorithmException If the provider does not
|
||||
* implement the given protocol.
|
||||
* @throws IllegalArgumentException If <i>provider</i> is null.
|
||||
*/
|
||||
public static final SSLContext getInstance(String protocol,
|
||||
Provider provider)
|
||||
throws NoSuchAlgorithmException
|
||||
{
|
||||
try
|
||||
{
|
||||
return new SSLContext((SSLContextSpi)
|
||||
Engine.getInstance(SSL_CONTEXT, protocol, provider),
|
||||
provider, protocol);
|
||||
}
|
||||
catch (InvocationTargetException ite)
|
||||
{
|
||||
NoSuchAlgorithmException nsae = new NoSuchAlgorithmException(protocol);
|
||||
throw (NoSuchAlgorithmException) nsae.initCause(ite);
|
||||
}
|
||||
catch (ClassCastException cce)
|
||||
{
|
||||
NoSuchAlgorithmException nsae = new NoSuchAlgorithmException(protocol);
|
||||
throw (NoSuchAlgorithmException) nsae.initCause(cce);
|
||||
}
|
||||
}
|
||||
|
||||
// Instance methods.
|
||||
// -----------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Returns the set of SSL contexts available for client connections.
|
||||
*
|
||||
* @return The set of SSL contexts available for client connections.
|
||||
*/
|
||||
public final SSLSessionContext getClientSessionContext()
|
||||
{
|
||||
return ctxSpi.engineGetClientSessionContext();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the protocol name of this context.
|
||||
*
|
||||
* @return The protocol name of this context.
|
||||
*/
|
||||
public final String getProtocol()
|
||||
{
|
||||
return protocol;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the provider of this implementation.
|
||||
*
|
||||
* @return The provider of this implementation.
|
||||
*/
|
||||
public final Provider getProvider()
|
||||
{
|
||||
return provider;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the set of SSL contexts available for server connections.
|
||||
*
|
||||
* @return The set of SSL contexts available for server connections.
|
||||
*/
|
||||
public final SSLSessionContext getServerSessionContext()
|
||||
{
|
||||
return ctxSpi.engineGetServerSessionContext();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the factory for server SSL sockets.
|
||||
*
|
||||
* @return The factory for server SSL sockets.
|
||||
*/
|
||||
public final SSLServerSocketFactory getServerSocketFactory()
|
||||
{
|
||||
return ctxSpi.engineGetServerSocketFactory();
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the factory for client SSL sockets.
|
||||
*
|
||||
* @return The factory for client SSL sockets.
|
||||
*/
|
||||
public final SSLSocketFactory getSocketFactory()
|
||||
{
|
||||
return ctxSpi.engineGetSocketFactory();
|
||||
}
|
||||
|
||||
/**
|
||||
* Initializes this context and prepares it for producing socket
|
||||
* factories. All of the parameters are optional; default values are
|
||||
* used if left unspecified.
|
||||
*
|
||||
* @param keyManagers The set of key managers to use.
|
||||
* @param trustManagers The set of trust managers to use.
|
||||
* @param random A source of random bits to use.
|
||||
* @throws KeyManagementException If initialization fails.
|
||||
*/
|
||||
public final void init(KeyManager[] keyManagers,
|
||||
TrustManager[] trustManagers,
|
||||
SecureRandom random)
|
||||
throws KeyManagementException
|
||||
{
|
||||
ctxSpi.engineInit(keyManagers, trustManagers, random);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user