/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.authenticator;
import java.security.Principal;
import org.apache.catalina.Session;
import org.apache.catalina.authenticator.Constants;
/**
* A class that represents entries in the cache of authenticated users.
* This is necessary to make it available to
* <code>AuthenticatorBase</code> subclasses that need it in order to perform
* reauthentications when SingleSignOn is in use.
*
* @author B Stansberry, based on work by Craig R. McClanahan
*
*
* @see SingleSignOn
* @see AuthenticatorBase#reauthenticateFromSSO
*/
public class SingleSignOnEntry
{
// ------------------------------------------------------ Instance Fields
protected String authType = null;
protected String password = null;
protected Principal principal = null;
protected Session sessions[] = new Session[0];
protected String username = null;
protected boolean canReauthenticate = false;
// --------------------------------------------------------- Constructors
/**
* Creates a new SingleSignOnEntry
*
* @param principal the <code>Principal</code> returned by the latest
* call to <code>Realm.authenticate</code>.
* @param authType the type of authenticator used (BASIC, CLIENT_CERT,
* DIGEST or FORM)
* @param username the username (if any) used for the authentication
* @param password the password (if any) used for the authentication
*/
public SingleSignOnEntry(Principal principal, String authType,
String username, String password) {
super();
updateCredentials(principal, authType, username, password);
}
public SingleSignOnEntry() {
}
// ------------------------------------------------------- Package Methods
/**
* Adds a <code>Session</code> to the list of those associated with
* this SSO.
*
* @param sso The <code>SingleSignOn</code> valve that is managing
* the SSO session.
* @param session The <code>Session</code> being associated with the SSO.
*/
public synchronized void addSession(SingleSignOn sso, Session session) {
for (int i = 0; i < sessions.length; i++) {
if (session == sessions[i])
return;
}
Session results[] = new Session[sessions.length + 1];
System.arraycopy(sessions, 0, results, 0, sessions.length);
results[sessions.length] = session;
sessions = results;
session.addSessionListener(sso);
}
/**
* Removes the given <code>Session</code> from the list of those
* associated with this SSO.
*
* @param session the <code>Session</code> to remove.
*/
public synchronized void removeSession(Session session) {
Session[] nsessions = new Session[sessions.length - 1];
for (int i = 0, j = 0; i < sessions.length; i++) {
if (session == sessions[i])
continue;
nsessions[j++] = sessions[i];
}
sessions = nsessions;
}
/**
* Returns the <code>Session</code>s associated with this SSO.
*/
public synchronized Session[] findSessions() {
return (this.sessions);
}
/**
* Gets the name of the authentication type originally used to authenticate
* the user associated with the SSO.
*
* @return "BASIC", "CLIENT_CERT", "DIGEST", "FORM" or "NONE"
*/
public String getAuthType() {
return (this.authType);
}
/**
* Gets whether the authentication type associated with the original
* authentication supports reauthentication.
*
* @return <code>true</code> if <code>getAuthType</code> returns
* "BASIC" or "FORM", <code>false</code> otherwise.
*/
public boolean getCanReauthenticate() {
return (this.canReauthenticate);
}
/**
* Gets the password credential (if any) associated with the SSO.
*
* @return the password credential associated with the SSO, or
* <code>null</code> if the original authentication type
* does not involve a password.
*/
public String getPassword() {
return (this.password);
}
/**
* Gets the <code>Principal</code> that has been authenticated by
* the SSO.
*/
public Principal getPrincipal() {
return (this.principal);
}
/**
* Gets the username provided by the user as part of the authentication
* process.
*/
public String getUsername() {
return (this.username);
}
/**
* Updates the SingleSignOnEntry to reflect the latest security
* information associated with the caller.
*
* @param principal the <code>Principal</code> returned by the latest
* call to <code>Realm.authenticate</code>.
* @param authType the type of authenticator used (BASIC, CLIENT_CERT,
* DIGEST or FORM)
* @param username the username (if any) used for the authentication
* @param password the password (if any) used for the authentication
*/
public void updateCredentials(Principal principal, String authType,
String username, String password) {
this.principal = principal;
this.authType = authType;
this.username = username;
this.password = password;
this.canReauthenticate =
(Constants.BASIC_METHOD.equals(authType)
|| Constants.FORM_METHOD.equals(authType));
}
}