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//
// ========================================================================
// Copyright (c) 1995-2015 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.jaas.spi;
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Map;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import org.eclipse.jetty.util.Loader;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
/* ---------------------------------------------------- */
/** JDBCLoginModule
* <p>JAAS LoginModule to retrieve user information from
* a database and authenticate the user.
*
* <p><h4>Notes</h4>
* <p>This version uses plain old JDBC connections NOT
* Datasources.
*
* <p><h4>Usage</h4>
* <pre>
* </pre>
*
* @version 1.0 Tue Apr 15 2003
*/
public class JDBCLoginModule extends AbstractDatabaseLoginModule
{
private static final Logger LOG = Log.getLogger(JDBCLoginModule.class);
private String dbDriver;
private String dbUrl;
private String dbUserName;
private String dbPassword;
/**
* Get a connection from the DriverManager
* @see AbstractDatabaseLoginModule#getConnection()
* @return the connection for this datasource
* @throws Exception
*/
public Connection getConnection ()
throws Exception
{
if (!((dbDriver != null)
&&
(dbUrl != null)))
throw new IllegalStateException ("Database connection information not configured");
if(LOG.isDebugEnabled())LOG.debug("Connecting using dbDriver="+dbDriver+"+ dbUserName="+dbUserName+", dbPassword="+dbUrl);
return DriverManager.getConnection (dbUrl,
dbUserName,
dbPassword);
}
/* ------------------------------------------------ */
/** Init LoginModule.
* Called once by JAAS after new instance created.
* @param subject
* @param callbackHandler
* @param sharedState
* @param options
*/
public void initialize(Subject subject,
CallbackHandler callbackHandler,
Map<String,?> sharedState,
Map<String,?> options)
{
try
{
super.initialize(subject, callbackHandler, sharedState, options);
//get the jdbc username/password, jdbc url out of the options
dbDriver = (String)options.get("dbDriver");
dbUrl = (String)options.get("dbUrl");
dbUserName = (String)options.get("dbUserName");
dbPassword = (String)options.get("dbPassword");
if (dbUserName == null)
dbUserName = "";
if (dbPassword == null)
dbPassword = "";
if (dbDriver != null)
Loader.loadClass(this.getClass(), dbDriver).newInstance();
}
catch (ClassNotFoundException e)
{
throw new IllegalStateException (e.toString());
}
catch (InstantiationException e)
{
throw new IllegalStateException (e.toString());
}
catch (IllegalAccessException e)
{
throw new IllegalStateException (e.toString());
}
}
}
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