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Micro Distribution of the Payara Project for IBM JDK
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2016 Oracle and/or its affiliates. All rights reserved.
*
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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*
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*
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
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* holder.
*
*
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* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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
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* Unless required by applicable law or agreed to in writing, software
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// Portions Copyright [2016] [Payara Foundation and/or its affiliates]
package org.apache.catalina.authenticator;
import org.apache.catalina.*;
import org.apache.catalina.Logger;
import org.apache.catalina.valves.ValveBase;
import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.security.Principal;
import java.text.MessageFormat;
import java.util.HashMap;
import java.util.Map;
import java.util.ResourceBundle;
import java.util.logging.Level;
/**
* A Valve that supports a "single sign on" user experience,
* where the security identity of a user who successfully authenticates to one
* web application is propagated to other web applications in the same
* security domain. For successful use, the following requirements must
* be met:
*
* - This Valve must be configured on the Container that represents a
* virtual host (typically an implementation of
Host).
* - The
Realm that contains the shared user and role
* information must be configured on the same Container (or a higher
* one), and not overridden at the web application level.
* - The web applications themselves must use one of the standard
* Authenticators found in the
*
org.apache.catalina.authenticator package.
*
*
* @author Craig R. McClanahan
* @version $Revision: 1.7 $ $Date: 2007/05/05 05:31:53 $
*/
public class SingleSignOn
extends ValveBase
/** CR 6411114 (Lifecycle implementation moved to ValveBase)
implements Lifecycle, SessionListener {
*/
// START CR 6411114
implements SessionListener {
// END CR 6411114
// ----------------------------------------------------- Static Variables
private static final java.util.logging.Logger log = LogFacade.getLogger();
private static final ResourceBundle rb = log.getResourceBundle();
/**
* Descriptive information about this Valve implementation.
*/
protected static final String info =
"org.apache.catalina.authenticator.SingleSignOn";
// ----------------------------------------------------- Instance Variables
/**
* The cache of SingleSignOnEntry instances for authenticated Principals,
* keyed by the cookie value that is used to select them.
*/
protected Map cache = new HashMap();
/**
* The lifecycle event support for this component.
*/
/** CR 6411114 (Lifecycle implementation moved to ValveBase)
protected LifecycleSupport lifecycle = new LifecycleSupport(this);
*/
/**
* Component started flag.
*/
/** CR 6411114 (Lifecycle implementation moved to ValveBase)
protected boolean started = false;
*/
// ------------------------------------------------------------- Properties
/**
* Return the debugging detail level.
*/
public int getDebug() {
return (this.debug);
}
/**
* Set the debugging detail level.
*
* @param debug The new debugging detail level
*/
public void setDebug(int debug) {
this.debug = debug;
}
// ------------------------------------------------------ Lifecycle Methods
/**
* Add a lifecycle event listener to this component.
*
* @param listener The listener to add
*/
/** CR 6411114 (Lifecycle implementation moved to ValveBase)
public void addLifecycleListener(LifecycleListener listener) {
lifecycle.addLifecycleListener(listener);
}
*/
/**
* Get the lifecycle listeners associated with this lifecycle. If this
* Lifecycle has no listeners registered, a zero-length array is returned.
*/
/** CR 6411114 (Lifecycle implementation moved to ValveBase)
public LifecycleListener[] findLifecycleListeners() {
return lifecycle.findLifecycleListeners();
}
*/
/**
* Remove a lifecycle event listener from this component.
*
* @param listener The listener to remove
*/
/** CR 6411114 (Lifecycle implementation moved to ValveBase)
public void removeLifecycleListener(LifecycleListener listener) {
lifecycle.removeLifecycleListener(listener);
}
*/
/**
* Prepare for the beginning of active use of the public methods of this
* component. This method should be called after configure(),
* and before any of the public methods of the component are utilized.
*
* @exception LifecycleException if this component detects a fatal error
* that prevents this component from being used
*/
public void start() throws LifecycleException {
// START CR 6411114
if (started) // Ignore multiple starts
return;
super.start();
// END CR 6411114
if (debug >= 1)
log(rb.getString(LogFacade.START_COMPONENT_INFO));
}
/**
* Gracefully terminate the active use of the public methods of this
* component. This method should be the last one called on a given
* instance of this component.
*
* @exception LifecycleException if this component detects a fatal error
* that needs to be reported
*/
public void stop() throws LifecycleException {
// START CR 6411114
if (!started) // Ignore stop if not started
return;
// END CR 6411114
if (debug >= 1)
log(rb.getString(LogFacade.STOP_COMPONENT_INFO));
// START CR 6411114
super.stop();
// END CR 6411114
}
// ------------------------------------------------ SessionListener Methods
/**
* Acknowledge the occurrence of the specified event.
*
* @param event SessionEvent that has occurred
*/
public void sessionEvent(SessionEvent event) {
// We only care about session destroyed events
if (!Session.SESSION_DESTROYED_EVENT.equals(event.getType()))
return;
// Look up the single session id associated with this session (if any)
Session session = event.getSession();
if (debug >= 1) {
String msg = MessageFormat.format(rb.getString(LogFacade.PROCESS_SESSION_DESTROYED_INFO), session);
log(msg);
}
String ssoId = session.getSsoId();
if (ssoId == null) {
return;
}
deregister(ssoId, session);
}
// ---------------------------------------------------------- Valve Methods
/**
* Return descriptive information about this Valve implementation.
*/
public String getInfo() {
return (info);
}
/**
* Perform single-sign-on support processing for this request.
*
* @param request The servlet request we are processing
* @param response The servlet response we are creating
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet error occurs
*/
public int invoke(Request request, Response response)
throws IOException, ServletException {
// If this is not an HTTP request and response, just pass them on
/* GlassFish 6386229
if (!(request instanceof HttpRequest) ||
!(response instanceof HttpResponse)) {
return INVOKE_NEXT;
}
*/
HttpServletRequest hreq =
(HttpServletRequest) request.getRequest();
HttpServletResponse hres =
(HttpServletResponse) response.getResponse();
request.removeNote(Constants.REQ_SSOID_NOTE);
request.removeNote(Constants.REQ_SSO_VERSION_NOTE);
// Has a valid user already been authenticated?
if (debug >= 1) {
String msg = MessageFormat.format(rb.getString(LogFacade.PROCESS_REQUEST_INFO), hreq.getRequestURI());
log(msg);
}
if (hreq.getUserPrincipal() != null) {
if (debug >= 1) {
String msg = MessageFormat.format(rb.getString(LogFacade.PRINCIPAL_BEEN_AUTHENTICATED_INFO),
hreq.getUserPrincipal());
log(msg);
}
return END_PIPELINE;
}
// Check for the single sign on cookie
if (debug >= 1)
log(rb.getString(LogFacade.CHECK_SSO_COOKIE_INFO));
Cookie cookie = null;
Cookie versionCookie = null;
Cookie cookies[] = hreq.getCookies();
if (cookies == null)
cookies = new Cookie[0];
for (int i = 0; i < cookies.length; i++) {
if (Constants.SINGLE_SIGN_ON_COOKIE.equals(cookies[i].getName())) {
cookie = cookies[i];
} else if (Constants.SINGLE_SIGN_ON_VERSION_COOKIE.equals(cookies[i].getName())) {
versionCookie = cookies[i];
}
if (cookie != null && versionCookie != null) {
break;
}
}
if (cookie == null) {
if (debug >= 1)
log(rb.getString(LogFacade.SSO_COOKIE_NOT_PRESENT_INFO));
return INVOKE_NEXT;
}
// Look up the cached Principal associated with this cookie value
if (debug >= 1) {
String msg = MessageFormat.format(rb.getString(LogFacade.CHECK_CACHED_PRINCIPAL_INFO), cookie.getValue());
log(msg);
}
long version = 0;
if (isVersioningSupported() && versionCookie != null) {
version = Long.parseLong(versionCookie.getValue());
}
SingleSignOnEntry entry = lookup(cookie.getValue(), version);
if (entry != null) {
if (debug >= 1) {
String msg = MessageFormat.format(rb.getString(LogFacade.FOUND_CACHED_PRINCIPAL_AUTH_TYPE_INFO),
new Object[] {entry.getPrincipal().getName(), entry.getAuthType()});
log(msg);
}
request.setNote(Constants.REQ_SSOID_NOTE, cookie.getValue());
if (isVersioningSupported()) {
long ver = entry.incrementAndGetVersion();
request.setNote(Constants.REQ_SSO_VERSION_NOTE,
Long.valueOf(ver));
}
((HttpRequest) request).setAuthType(entry.getAuthType());
((HttpRequest) request).setUserPrincipal(entry.getPrincipal());
} else {
if (debug >= 1)
log(rb.getString(LogFacade.NO_CACHED_PRINCIPAL_FOUND_INFO));
cookie.setMaxAge(0);
hres.addCookie(cookie);
}
// Invoke the next Valve in our pipeline
return INVOKE_NEXT;
}
// --------------------------------------------------------- Public Methods
/**
* Return a String rendering of this object.
*/
public String toString() {
StringBuilder sb = new StringBuilder("SingleSignOn[");
if (container == null )
sb.append("Container is null");
else
sb.append(container.getName());
sb.append("]");
return (sb.toString());
}
// -------------------------------------------------------- Package Methods
/**
* Associate the specified single sign on identifier with the
* specified Session.
*
* @param ssoId Single sign on identifier
* @param ssoVersion Single sign on version
* @param session Session to be associated
*/
public void associate(String ssoId, long ssoVersion, Session session) {
if (!started) {
return;
}
if (debug >= 1)
log(rb.getString(LogFacade.ASSOCIATE_SSO_WITH_SESSION_INFO));
SingleSignOnEntry sso = lookup(ssoId, ssoVersion);
if (sso != null) {
session.setSsoId(ssoId);
session.setSsoVersion(ssoVersion);
sso.addSession(this, session);
}
}
/**
* Deregister the specified session. If it is the last session,
* then also get rid of the single sign on identifier
*
* @param ssoId Single sign on identifier
* @param session Session to be deregistered
*/
protected void deregister(String ssoId, Session session) {
SingleSignOnEntry sso = lookup(ssoId);
if ( sso == null )
return;
session.setSsoId(null);
session.setSsoVersion(0L);
sso.removeSession( session );
// see if we are the last session, if so blow away ssoId
if (sso.isEmpty()) {
synchronized (cache) {
cache.remove(ssoId);
}
}
}
/**
* Register the specified Principal as being associated with the specified
* value for the single sign on identifier.
*
* @param ssoId Single sign on identifier to register
* @param principal Associated user principal that is identified
* @param authType Authentication type used to authenticate this
* user principal
* @param username Username used to authenticate this user
* @param password Password used to authenticate this user
*/
protected void register(String ssoId, Principal principal, String authType,
String username, char[] password, String realmName) {
if (debug >= 1) {
String msg = MessageFormat.format(rb.getString(LogFacade.REGISTERING_SSO_INFO),
new Object[] {ssoId, principal.getName(), authType});
log(msg);
}
synchronized (cache) {
cache.put(ssoId, new SingleSignOnEntry(ssoId, 0L, principal, authType,
username, realmName));
}
}
// ------------------------------------------------------ Protected Methods
/**
* Log a message on the Logger associated with our Container (if any).
*
* @param message Message to be logged
*/
protected void log(String message) {
Logger logger = container.getLogger();
if (logger != null) {
logger.log(this.toString() + ": " + message);
} else {
if (log.isLoggable(Level.INFO)) {
log.log(Level.INFO, this.toString() + ": " + message);
}
}
}
/**
* Log a message on the Logger associated with our Container (if any).
*
* @param message Message to be logged
* @param t Associated exception
*/
protected void log(String message, Throwable t) {
Logger logger = container.getLogger();
if (logger != null) {
logger.log(this.toString() + ": " + message, t,
Logger.WARNING);
} else {
log.log(Level.WARNING,
this.toString() + ": " + message, t);
}
}
/**
* Look up and return the cached SingleSignOn entry associated with this
* sso id value, if there is one; otherwise return null.
*
* @param ssoId Single sign on identifier to look up
*/
protected SingleSignOnEntry lookup(String ssoId) {
synchronized (cache) {
return cache.get(ssoId);
}
}
/**
* Look up and return the cached SingleSignOn entry associated with this
* sso id value, if there is one; otherwise return null.
*
* @param ssoId Single sign on identifier to look up
* @param ssoVersion Single sign on version to look up
*/
protected SingleSignOnEntry lookup(String ssoId, long ssoVersion) {
return lookup(ssoId);
}
/**
* Return a boolean to indicate whether the sso id version is
* supported or not.
*/
public boolean isVersioningSupported() {
return false;
}
}
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