304 lines
11 KiB
Java
304 lines
11 KiB
Java
/*
|
|
* Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code 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
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package javax.net.ssl;
|
|
|
|
import java.security.Security;
|
|
import java.security.*;
|
|
|
|
import sun.security.jca.GetInstance;
|
|
|
|
/**
|
|
* This class acts as a factory for trust managers based on a
|
|
* source of trust material. Each trust manager manages a specific
|
|
* type of trust material for use by secure sockets. The trust
|
|
* material is based on a KeyStore and/or provider specific sources.
|
|
*
|
|
* <p> Android provides the following <code>TrustManagerFactory</code> algorithms:
|
|
* <table>
|
|
* <thead>
|
|
* <tr>
|
|
* <th>Algorithm</th>
|
|
* <th>Supported API Levels</th>
|
|
* </tr>
|
|
* </thead>
|
|
* <tbody>
|
|
* <tr>
|
|
* <td>PKIX</td>
|
|
* <td>1+</td>
|
|
* </tr>
|
|
* </tbody>
|
|
* </table>
|
|
*
|
|
* @since 1.4
|
|
* @see TrustManager
|
|
*/
|
|
public class TrustManagerFactory {
|
|
// The provider
|
|
private Provider provider;
|
|
|
|
// The provider implementation (delegate)
|
|
private TrustManagerFactorySpi factorySpi;
|
|
|
|
// The name of the trust management algorithm.
|
|
private String algorithm;
|
|
|
|
/**
|
|
* Obtains the default TrustManagerFactory algorithm name.
|
|
*
|
|
* <p>The default TrustManager can be changed at runtime by setting
|
|
* the value of the {@code ssl.TrustManagerFactory.algorithm}
|
|
* security property to the desired algorithm name.
|
|
*
|
|
* @see java.security.Security security properties
|
|
* @return the default algorithm name as specified by the
|
|
* {@code ssl.TrustManagerFactory.algorithm} security property, or an
|
|
* implementation-specific default if no such property exists.
|
|
*/
|
|
public final static String getDefaultAlgorithm() {
|
|
String type;
|
|
type = AccessController.doPrivileged(new PrivilegedAction<String>() {
|
|
@Override
|
|
public String run() {
|
|
return Security.getProperty(
|
|
"ssl.TrustManagerFactory.algorithm");
|
|
}
|
|
});
|
|
if (type == null) {
|
|
type = "SunX509";
|
|
}
|
|
return type;
|
|
}
|
|
|
|
/**
|
|
* Creates a TrustManagerFactory object.
|
|
*
|
|
* @param factorySpi the delegate
|
|
* @param provider the provider
|
|
* @param algorithm the algorithm
|
|
*/
|
|
protected TrustManagerFactory(TrustManagerFactorySpi factorySpi,
|
|
Provider provider, String algorithm) {
|
|
this.factorySpi = factorySpi;
|
|
this.provider = provider;
|
|
this.algorithm = algorithm;
|
|
}
|
|
|
|
/**
|
|
* Returns the algorithm name of this <code>TrustManagerFactory</code>
|
|
* object.
|
|
*
|
|
* <p>This is the same name that was specified in one of the
|
|
* <code>getInstance</code> calls that created this
|
|
* <code>TrustManagerFactory</code> object.
|
|
*
|
|
* @return the algorithm name of this <code>TrustManagerFactory</code>
|
|
* object
|
|
*/
|
|
public final String getAlgorithm() {
|
|
return this.algorithm;
|
|
}
|
|
|
|
/**
|
|
* Returns a <code>TrustManagerFactory</code> object that acts as a
|
|
* factory for trust managers.
|
|
*
|
|
* <p> This method traverses the list of registered security Providers,
|
|
* starting with the most preferred Provider.
|
|
* A new TrustManagerFactory object encapsulating the
|
|
* TrustManagerFactorySpi implementation from the first
|
|
* Provider that supports the specified algorithm is returned.
|
|
*
|
|
* <p> Note that the list of registered providers may be retrieved via
|
|
* the {@link Security#getProviders() Security.getProviders()} method.
|
|
*
|
|
* @param algorithm the standard name of the requested trust management
|
|
* algorithm. See the <a href=
|
|
* "{@docRoot}/../technotes/guides/security/jsse/JSSERefGuide.html">
|
|
* Java Secure Socket Extension Reference Guide </a>
|
|
* for information about standard algorithm names.
|
|
*
|
|
* @return the new <code>TrustManagerFactory</code> object.
|
|
*
|
|
* @exception NoSuchAlgorithmException if no Provider supports a
|
|
* TrustManagerFactorySpi implementation for the
|
|
* specified algorithm.
|
|
* @exception NullPointerException if algorithm is null.
|
|
*
|
|
* @see java.security.Provider
|
|
*/
|
|
public static final TrustManagerFactory getInstance(String algorithm)
|
|
throws NoSuchAlgorithmException {
|
|
GetInstance.Instance instance = GetInstance.getInstance
|
|
("TrustManagerFactory", TrustManagerFactorySpi.class,
|
|
algorithm);
|
|
return new TrustManagerFactory((TrustManagerFactorySpi)instance.impl,
|
|
instance.provider, algorithm);
|
|
}
|
|
|
|
/**
|
|
* Returns a <code>TrustManagerFactory</code> object that acts as a
|
|
* factory for trust managers.
|
|
*
|
|
* <p> A new KeyManagerFactory object encapsulating the
|
|
* KeyManagerFactorySpi implementation from the specified provider
|
|
* is returned. The specified provider must be registered
|
|
* in the security provider list.
|
|
*
|
|
* <p> Note that the list of registered providers may be retrieved via
|
|
* the {@link Security#getProviders() Security.getProviders()} method.
|
|
*
|
|
* @param algorithm the standard name of the requested trust management
|
|
* algorithm. See the <a href=
|
|
* "{@docRoot}/../technotes/guides/security/jsse/JSSERefGuide.html">
|
|
* Java Secure Socket Extension Reference Guide </a>
|
|
* for information about standard algorithm names.
|
|
*
|
|
* @param provider the name of the provider.
|
|
*
|
|
* @return the new <code>TrustManagerFactory</code> object
|
|
*
|
|
* @throws NoSuchAlgorithmException if a TrustManagerFactorySpi
|
|
* implementation for the specified algorithm is not
|
|
* available from the specified provider.
|
|
*
|
|
* @throws NoSuchProviderException if the specified provider is not
|
|
* registered in the security provider list.
|
|
*
|
|
* @throws IllegalArgumentException if the provider name is null or empty.
|
|
* @throws NullPointerException if algorithm is null.
|
|
*
|
|
* @see java.security.Provider
|
|
*/
|
|
public static final TrustManagerFactory getInstance(String algorithm,
|
|
String provider) throws NoSuchAlgorithmException,
|
|
NoSuchProviderException {
|
|
GetInstance.Instance instance = GetInstance.getInstance
|
|
("TrustManagerFactory", TrustManagerFactorySpi.class,
|
|
algorithm, provider);
|
|
return new TrustManagerFactory((TrustManagerFactorySpi)instance.impl,
|
|
instance.provider, algorithm);
|
|
}
|
|
|
|
/**
|
|
* Returns a <code>TrustManagerFactory</code> object that acts as a
|
|
* factory for trust managers.
|
|
*
|
|
* <p> A new TrustManagerFactory object encapsulating the
|
|
* TrustManagerFactorySpi implementation from the specified Provider
|
|
* object is returned. Note that the specified Provider object
|
|
* does not have to be registered in the provider list.
|
|
*
|
|
* @param algorithm the standard name of the requested trust management
|
|
* algorithm. See the <a href=
|
|
* "{@docRoot}/../technotes/guides/security/jsse/JSSERefGuide.html">
|
|
* Java Secure Socket Extension Reference Guide </a>
|
|
* for information about standard algorithm names.
|
|
*
|
|
* @param provider an instance of the provider.
|
|
*
|
|
* @return the new <code>TrustManagerFactory</code> object.
|
|
*
|
|
* @throws NoSuchAlgorithmException if a TrustManagerFactorySpi
|
|
* implementation for the specified algorithm is not available
|
|
* from the specified Provider object.
|
|
*
|
|
* @throws IllegalArgumentException if the provider is null.
|
|
* @throws NullPointerException if algorithm is null.
|
|
*
|
|
* @see java.security.Provider
|
|
*/
|
|
public static final TrustManagerFactory getInstance(String algorithm,
|
|
Provider provider) throws NoSuchAlgorithmException {
|
|
GetInstance.Instance instance = GetInstance.getInstance
|
|
("TrustManagerFactory", TrustManagerFactorySpi.class,
|
|
algorithm, provider);
|
|
return new TrustManagerFactory((TrustManagerFactorySpi)instance.impl,
|
|
instance.provider, algorithm);
|
|
}
|
|
|
|
/**
|
|
* Returns the provider of this <code>TrustManagerFactory</code> object.
|
|
*
|
|
* @return the provider of this <code>TrustManagerFactory</code> object
|
|
*/
|
|
public final Provider getProvider() {
|
|
return this.provider;
|
|
}
|
|
|
|
|
|
/**
|
|
* Initializes this factory with a source of certificate
|
|
* authorities and related trust material.
|
|
* <P>
|
|
* The provider typically uses a KeyStore as a basis for making
|
|
* trust decisions.
|
|
* <P>
|
|
* For more flexible initialization, please see
|
|
* {@link #init(ManagerFactoryParameters)}.
|
|
*
|
|
* @param ks the key store, or null
|
|
* @throws KeyStoreException if this operation fails
|
|
*/
|
|
public final void init(KeyStore ks) throws KeyStoreException {
|
|
factorySpi.engineInit(ks);
|
|
}
|
|
|
|
|
|
/**
|
|
* Initializes this factory with a source of provider-specific
|
|
* trust material.
|
|
* <P>
|
|
* In some cases, initialization parameters other than a keystore
|
|
* may be needed by a provider. Users of that particular provider
|
|
* are expected to pass an implementation of the appropriate
|
|
* <CODE>ManagerFactoryParameters</CODE> as defined by the
|
|
* provider. The provider can then call the specified methods in
|
|
* the <CODE>ManagerFactoryParameters</CODE> implementation to obtain the
|
|
* needed information.
|
|
*
|
|
* @param spec an implementation of a provider-specific parameter
|
|
* specification
|
|
* @throws InvalidAlgorithmParameterException if an error is
|
|
* encountered
|
|
*/
|
|
public final void init(ManagerFactoryParameters spec) throws
|
|
InvalidAlgorithmParameterException {
|
|
factorySpi.engineInit(spec);
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns one trust manager for each type of trust material.
|
|
*
|
|
* @throws IllegalStateException if the factory is not initialized.
|
|
*
|
|
* @return the trust managers
|
|
*/
|
|
public final TrustManager[] getTrustManagers() {
|
|
return factorySpi.engineGetTrustManagers();
|
|
}
|
|
}
|