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/*
* @(#)CallbackHandlerImpl.java 1.4 06/28/07
*/
package com.sun.messaging.jmq.jmsserver.auth.jaas;
import java.util.Properties;
import java.io.IOException;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.LanguageCallback;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.TextInputCallback;
import javax.security.auth.callback.TextOutputCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import com.sun.messaging.jmq.util.log.Logger;
import com.sun.messaging.jmq.jmsserver.Globals;
import com.sun.messaging.jmq.jmsserver.auth.AccessController;
import com.sun.messaging.jmq.jmsserver.resources.BrokerResources;
/**
*/
public class CallbackHandlerImpl implements CallbackHandler {
private static boolean DEBUG = false;
private BrokerResources rb = Globals.getBrokerResources();
private transient Logger logger = Globals.getLogger();
private Properties authProps = null;
private String userName = null;
private String password = null;
/**
* not used as default handler
*/
private CallbackHandlerImpl() { }
public CallbackHandlerImpl(Properties authProps, String userName, String password) {
this.authProps = authProps;
this.userName = userName;
this.password = password;
}
protected synchronized void destroy() {
authProps = null;
userName = null;
password = null;
}
/**
* Handles the specified set of callbacks.
*
* @param callbacks An array of Callback objects provided by an
* underlying security service which contains the
* information requested to be retrieved or displayed.
* @throws IOException If an input or output error occurs
* @throws UnsupportedCallbackException If the implementation of this
* method does not support one or more of the Callbacks specified
* in the callbacks parameter.
*/
public synchronized void handle(Callback[] callbacks) throws IOException,
UnsupportedCallbackException {
for (int i = 0; i < callbacks.length; i++) {
if (callbacks[i] instanceof LanguageCallback) {
LanguageCallback cb = (LanguageCallback)callbacks[i];
if (DEBUG) {
logger.log(logger.INFO, "JAAS CallbackHander handle LanguageCallback -"+
" returning " + rb.getLocale());
}
cb.setLocale(rb.getLocale());
continue;
}
if (callbacks[i] instanceof NameCallback) {
if (userName == null) {
String emsg = Globals.getBrokerResources().getKString(
BrokerResources.X_JAAS_CALLBACK_HANDLER_NOT_INITIALIZED,
"NameCallback");
logger.log(logger.ERROR, emsg);
throw new UnsupportedCallbackException(callbacks[i], emsg);
}
NameCallback cb = (NameCallback)callbacks[i];
if (DEBUG) {
logger.log(logger.INFO, "JAAS CallbackHander handle NameCallback prompt: "+
((NameCallback)callbacks[i]).getPrompt()+ " - returning " +userName);
}
cb.setName(userName);
continue;
}
if (callbacks[i] instanceof PasswordCallback) {
if (password == null) {
String emsg = Globals.getBrokerResources().getKString(
BrokerResources.X_JAAS_CALLBACK_HANDLER_NOT_INITIALIZED,
"PasswordCallback");
logger.log(logger.ERROR, emsg);
throw new UnsupportedCallbackException(callbacks[i], emsg);
}
PasswordCallback cb = (PasswordCallback)callbacks[i];
if (DEBUG) {
logger.log(logger.INFO,
"JAAS CallbackHander handle PasswordCallback ["+cb.getClass().getName()+"] prompt:"+cb.getPrompt());
}
cb.setPassword(password.toCharArray());
continue;
}
if (callbacks[i] instanceof TextInputCallback) {
if (authProps == null) {
String emsg = Globals.getBrokerResources().getKString(
BrokerResources.X_JAAS_CALLBACK_HANDLER_NOT_INITIALIZED,
"TextInputCallback");
logger.log(logger.ERROR, emsg);
throw new UnsupportedCallbackException(callbacks[i], emsg);
}
TextInputCallback cb = (TextInputCallback)callbacks[i];
String text = null;
if (cb.getPrompt().equals(AccessController.PROP_AUTHENTICATION_TYPE)) {
text = (String)authProps.getProperty(AccessController.PROP_AUTHENTICATION_TYPE);
} else if (cb.getPrompt().equals(AccessController.PROP_ACCESSCONTROL_TYPE)) {
text = (String)authProps.getProperty(AccessController.PROP_ACCESSCONTROL_TYPE);
} else if (cb.getPrompt().equals(AccessController.PROP_CLIENTIP)) {
text = (String)authProps.getProperty(AccessController.PROP_CLIENTIP);
} else if (cb.getPrompt().equals(AccessController.PROP_SERVICE_NAME)) {
text = (String)authProps.getProperty(AccessController.PROP_SERVICE_NAME);
} else if (cb.getPrompt().equals(AccessController.PROP_SERVICE_TYPE)) {
text = (String)authProps.getProperty(AccessController.PROP_SERVICE_TYPE);
} else {
String emsg = Globals.getBrokerResources().getKString(
BrokerResources.W_JAAS_UNSUPPORTED_TEXTINPUTCALLBACK,
cb.getClass().getName(), cb.getPrompt());
logger.log(logger.WARNING, emsg);
throw new UnsupportedCallbackException(callbacks[i], emsg);
}
if (DEBUG) {
logger.log(logger.INFO, "JAAS CallbackHander handle TextInputCallback prompt: "+
((TextInputCallback)callbacks[i]).getPrompt()+ " - returning " +text);
}
cb.setText(text);
continue;
}
if (callbacks[i] instanceof TextOutputCallback) {
int level = logger.OFF;
TextOutputCallback cb = (TextOutputCallback) callbacks[i];
switch (cb.getMessageType()) {
case TextOutputCallback.INFORMATION:
level = logger.INFO;
break;
case TextOutputCallback.WARNING:
level = logger.WARNING;
break;
case TextOutputCallback.ERROR:
level = logger.ERROR;
break;
default:
String emsg = Globals.getBrokerResources().getKString(
BrokerResources.W_JAAS_UNSUPPORTED_TEXTOUTPUTCALLBACK,
cb.getClass().getName(), Integer.valueOf(cb.getMessageType()));
logger.log(logger.WARNING, emsg);
throw new UnsupportedCallbackException(callbacks[i], emsg);
}
logger.log(level, cb.getClass().getName()+": "+ cb.getMessage());
continue;
}
String emsg = Globals.getBrokerResources().getKString(
BrokerResources.W_JAAS_UNSUPPORTED_CALLBACK,
callbacks[i].getClass().getName());
throw new UnsupportedCallbackException(callbacks[i], emsg);
} //for
}
}
