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/*
* ClientContainerCallbackHandler.java
*
* Created on September 14, 2004, 12:20 PM
*/
package com.sun.enterprise.security.jmac.callback;
import com.sun.enterprise.security.SecurityServicesUtil;
import java.io.IOException;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.ChoiceCallback;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.auth.message.callback.CallerPrincipalCallback;
import javax.security.auth.message.callback.CertStoreCallback;
import javax.security.auth.message.callback.GroupPrincipalCallback;
import javax.security.auth.message.callback.PasswordValidationCallback;
import javax.security.auth.message.callback.PrivateKeyCallback;
import javax.security.auth.message.callback.SecretKeyCallback;
import javax.security.auth.message.callback.TrustStoreCallback;
import com.sun.enterprise.security.UsernamePasswordStore;
/**
* Appclient side Callback Handler for WSS.
* @author Harpreet Singh
* @author Shing Wai Chan
*/
final class ClientContainerCallbackHandler
extends BaseContainerCallbackHandler {
private static final String LOGIN_NAME = "j2eelogin.name";
private static final String LOGIN_PASSWORD = "j2eelogin.password";
ClientContainerCallbackHandler() {
}
//TODO:V3 trying to read system properties here
protected void handleSupportedCallbacks(Callback[] callbacks)
throws IOException, UnsupportedCallbackException {
// this variable is set to true if we have used the older jaas
// mechanisms to process the callbacks - and we will not need
// to process further as the inside loop, just takes care
// of processing all callbacks
boolean processedSomeAppclientCallbacks = false;
int i=0;
while (i < callbacks.length) {
if (!processedSomeAppclientCallbacks) {
if ((callbacks[i] instanceof NameCallback) ||
(callbacks[i] instanceof PasswordCallback) ||
(callbacks[i] instanceof ChoiceCallback)) {
String loginName = UsernamePasswordStore.getUsername();
char[] password = UsernamePasswordStore.getPassword();
boolean doSet = false;
if (loginName == null) {
loginName = System.getProperty(LOGIN_NAME);
doSet = true;
}
if (password == null) {
password = System.getProperty(LOGIN_PASSWORD).toCharArray();
doSet = true;
}
if (doSet) {
UsernamePasswordStore.set(loginName, password);
}
//TODO: V3 CallbackHandler callbackHandler = AppContainer.getCallbackHandler();
CallbackHandler callbackHandler = SecurityServicesUtil.getInstance().getCallbackHandler();
if(loginName != null && password != null){
// username/password set already
for (Callback callback : callbacks) {
if (callback instanceof NameCallback) {
NameCallback nc = (NameCallback) callback;
nc.setName(loginName);
} else if (callback instanceof PasswordCallback) {
PasswordCallback pc = (PasswordCallback) callback;
pc.setPassword(password);
}
}
} else{
// once this is called all callbacks will be handled by
// callbackHandler and then we dont have to check for
// NameCallback PasswordCallback and ChoiceCallback
// again.
// Let control flow to the callback processors
callbackHandler.handle(callbacks);
}
processedSomeAppclientCallbacks = true;
break;
}
}
processCallback(callbacks[i]);
i++;
}
}
protected boolean isSupportedCallback(Callback callback)
{
boolean supported = false;
if (callback instanceof NameCallback ||
callback instanceof PasswordCallback ||
callback instanceof ChoiceCallback ||
callback instanceof CallerPrincipalCallback ||
callback instanceof GroupPrincipalCallback ||
callback instanceof CertStoreCallback ||
callback instanceof PasswordValidationCallback ||
callback instanceof SecretKeyCallback ||
callback instanceof PrivateKeyCallback ||
callback instanceof TrustStoreCallback) {
supported = true;
}
return supported;
}
}