Files
alfresco-community-repo/source/java/org/alfresco/web/app/servlet/AuthenticationHelper.java
Alan Davis 6f411d0d27 Merged 5.2.N (5.2.1) to HEAD (5.2)
130406 jvonka: REPO-1062 / MNT-16176: allow existing users to use SSO external auth via Sharewhen repo is read-only
   - re-implement the fix (note: we do not allow auto-creation of missing users)


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@132128 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2016-11-03 13:03:27 +00:00

778 lines
33 KiB
Java

/*
* #%L
* Alfresco Repository WAR Community
* %%
* Copyright (C) 2005 - 2016 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.web.app.servlet;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import javax.faces.context.FacesContext;
import javax.servlet.ServletContext;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.SessionUser;
import org.alfresco.repo.management.subsystems.ActivateableBean;
import org.alfresco.repo.security.authentication.AuthenticationComponent;
import org.alfresco.repo.security.authentication.AuthenticationException;
import org.alfresco.repo.security.authentication.AuthenticationUtil;
import org.alfresco.repo.security.authentication.external.RemoteUserMapper;
import org.alfresco.repo.security.permissions.AccessDeniedException;
import org.alfresco.repo.transaction.RetryingTransactionHelper;
import org.alfresco.repo.webdav.auth.AuthenticationDriver;
import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.security.AuthenticationService;
import org.alfresco.service.cmr.security.AuthorityService;
import org.alfresco.service.cmr.security.PersonService;
import org.alfresco.web.app.Application;
import org.alfresco.web.app.portlet.AlfrescoFacesPortlet;
import org.alfresco.web.bean.LoginBean;
import org.alfresco.web.bean.repository.User;
import org.alfresco.web.bean.users.UserPreferencesBean;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.extensions.surf.util.Base64;
import org.springframework.extensions.surf.util.I18NUtil;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;
/**
* Helper to authenticate the current user using available Ticket information.
* <p>
* User information is looked up in the Session. If found the ticket is retrieved and validated.
* If the ticket is invalid then a redirect is performed to the login page.
* <p>
* If no User info is found then a search will be made for a previous username stored in a Cookie
* value. If the username if found then a redirect to the Login page will occur. If no username
* is found then Guest access login will be attempted by the system. Guest access can be forced
* with the appropriate method call.
*
* @author Kevin Roast
*/
public final class AuthenticationHelper
{
/** session variables */
public static final String AUTHENTICATION_USER = AuthenticationDriver.AUTHENTICATION_USER;
public static final String SESSION_USERNAME = "_alfLastUser";
public static final String SESSION_INVALIDATED = "_alfSessionInvalid";
/** JSF bean IDs */
public static final String LOGIN_BEAN = "LoginBean";
/** public service bean IDs **/
private static final String AUTHENTICATION_SERVICE = "AuthenticationService";
private static final String AUTHENTICATION_COMPONENT = "AuthenticationComponent";
private static final String REMOTE_USER_MAPPER = "RemoteUserMapper";
private static final String UNPROTECTED_AUTH_SERVICE = "authenticationService";
private static final String PERSON_SERVICE = "personService";
private static final String AUTHORITY_SERVICE = "AuthorityService";
/** cookie names */
private static final String COOKIE_ALFUSER = "alfUser0";
private static Log logger = LogFactory.getLog(AuthenticationHelper.class);
/**
* Does all the stuff you need to do after successfully authenticating/validating a user ticket to set up the request
* thread. A useful utility method for an authentication filter.
*
* @param sc
* the servlet context
* @param req
* the request
* @param res
* the response
*/
public static void setupThread(ServletContext sc, HttpServletRequest req, HttpServletResponse res, boolean useInterfaceLanguage)
{
if (logger.isDebugEnabled())
logger.debug("Setting up the request thread.");
// setup faces context
FacesContext fc = Application.inPortalServer() ? AlfrescoFacesPortlet.getFacesContext(req) : FacesHelper.getFacesContext(req, res, sc);
// Set the current locale and language (overriding the one already decoded from the Accept-Language header
if (WebApplicationContextUtils.getRequiredWebApplicationContext(sc).containsBean(Application.BEAN_CONFIG_SERVICE))
{
I18NUtil.setLocale(Application.getLanguage(req.getSession(), Application.getClientConfig(fc).isLanguageSelect() && useInterfaceLanguage));
}
else
{
Application.getLanguage(req.getSession(), false);
}
if (logger.isDebugEnabled())
logger.debug("The general locale is : " + I18NUtil.getLocale());
// Programatically retrieve the UserPreferencesBean from JSF
UserPreferencesBean userPreferencesBean = (UserPreferencesBean) FacesHelper.getManagedBean(fc, "UserPreferencesBean");
if (logger.isDebugEnabled())
logger.debug("The UserPreferencesBean is : " + userPreferencesBean);
if (userPreferencesBean != null)
{
String contentFilterLanguageStr = userPreferencesBean.getContentFilterLanguage();
if (contentFilterLanguageStr != null)
{
// Set the locale for the method interceptor for MLText properties
I18NUtil.setContentLocale(I18NUtil.parseLocale(contentFilterLanguageStr));
}
else
{
// Nothing has been selected, so remove the content filter
I18NUtil.setContentLocale(null);
}
if (logger.isDebugEnabled())
logger.debug("The content locale is : " + I18NUtil.getContentLocale());
}
}
/**
* Helper to authenticate the current user using session based Ticket information.
* <p>
* User information is looked up in the Session. If found the ticket is retrieved and validated.
* If no User info is found or the ticket is invalid then a redirect is performed to the login page.
*
* @param forceGuest True to force a Guest login attempt
*
* @return AuthenticationStatus result.
*/
public static AuthenticationStatus authenticate(
ServletContext sc, HttpServletRequest req, HttpServletResponse res, boolean forceGuest)
throws IOException
{
return authenticate(sc, req, res, forceGuest, true);
}
/**
* Helper to authenticate the current user using session based Ticket information.
* <p>
* User information is looked up in the Session. If found the ticket is retrieved and validated.
* If no User info is found or the ticket is invalid then a redirect is performed to the login page.
*
* @param forceGuest True to force a Guest login attempt
* @param allowGuest True to allow the Guest user if no user object represent
*
* @return AuthenticationStatus result.
*/
public static AuthenticationStatus authenticate(
ServletContext sc, HttpServletRequest req, HttpServletResponse res, boolean forceGuest, boolean allowGuest)
throws IOException
{
if (logger.isDebugEnabled())
logger.debug("Authenticating the current user using session based Ticket information.");
// retrieve the User object
User user = getUser(sc, req, res);
HttpSession session = req.getSession();
// get the login bean if we're not in the portal
LoginBean loginBean = null;
if (Application.inPortalServer() == false)
{
if (logger.isDebugEnabled())
logger.debug("We're not in the portal, getting the login bean.");
loginBean = (LoginBean)session.getAttribute(LOGIN_BEAN);
}
// setup the authentication context
WebApplicationContext wc = WebApplicationContextUtils.getRequiredWebApplicationContext(sc);
AuthenticationService auth = (AuthenticationService)wc.getBean(AUTHENTICATION_SERVICE);
if (logger.isDebugEnabled())
logger.debug("Force guest is: " + forceGuest);
if (user == null || forceGuest)
{
if (logger.isDebugEnabled())
logger.debug("The user is null.");
// Check for the session invalidated flag - this is set by the Logout action in the LoginBean
// it signals a forced Logout and means we should not immediately attempt a relogin as Guest.
// The attribute is removed from the session by the login.jsp page after the Cookie containing
// the last stored username string is cleared.
if (session.getAttribute(AuthenticationHelper.SESSION_INVALIDATED) == null)
{
if (logger.isDebugEnabled())
logger.debug("The session is not invalidated.");
Cookie authCookie = getAuthCookie(req);
if (allowGuest == true && (authCookie == null || forceGuest))
{
if (logger.isDebugEnabled())
logger.debug("No previous authentication or forced Guest - attempt Guest access.");
try
{
auth.authenticateAsGuest();
// if we get here then Guest access was allowed and successful
setUser(sc, req, AuthenticationUtil.getGuestUserName(), auth.getCurrentTicket(), false);
// Set up the thread context
setupThread(sc, req, res, true);
// remove the session invalidated flag
session.removeAttribute(AuthenticationHelper.SESSION_INVALIDATED);
if (logger.isDebugEnabled())
logger.debug("Successfully authenticated as guest.");
// it is the responsibilty of the caller to handle the Guest return status
return AuthenticationStatus.Guest;
}
catch (AuthenticationException guestError)
{
if (logger.isDebugEnabled())
logger.debug("An AuthenticationException occurred, expected if Guest access not allowed - continue to login page as usual", guestError);
}
catch (AccessDeniedException accessError)
{
// Guest is unable to access either properties on Person
AuthenticationService unprotAuthService = (AuthenticationService)wc.getBean(UNPROTECTED_AUTH_SERVICE);
unprotAuthService.invalidateTicket(unprotAuthService.getCurrentTicket());
unprotAuthService.clearCurrentSecurityContext();
logger.warn("Unable to login as Guest: ", accessError);
}
catch (Throwable e)
{
// Some other kind of serious failure to report
AuthenticationService unprotAuthService = (AuthenticationService)wc.getBean(UNPROTECTED_AUTH_SERVICE);
unprotAuthService.invalidateTicket(unprotAuthService.getCurrentTicket());
unprotAuthService.clearCurrentSecurityContext();
throw new AlfrescoRuntimeException("Failed to authenticate as Guest user.", e);
}
}
}
if (logger.isDebugEnabled())
logger.debug("Session invalidated - return to login screen.");
return AuthenticationStatus.Failure;
}
else
{
if (logger.isDebugEnabled())
logger.debug("The user is: " + user.getUserName());
// set last authentication username cookie value
String loginName;
if (loginBean != null && (loginName = loginBean.getUsernameInternal()) != null)
{
if (logger.isDebugEnabled())
logger.debug("Set last authentication username cookie value");
setUsernameCookie(req, res, loginName);
}
// Set up the thread context
setupThread(sc, req, res, true);
return AuthenticationStatus.Success;
}
}
/**
* Helper to authenticate the current user using the supplied Ticket value.
*
* @return true if authentication successful, false otherwise.
*/
public static AuthenticationStatus authenticate(
ServletContext context, HttpServletRequest httpRequest, HttpServletResponse httpResponse, String ticket)
throws IOException
{
if (logger.isDebugEnabled())
logger.debug("Authenticate the current user using the supplied Ticket value.");
// setup the authentication context
WebApplicationContext wc = WebApplicationContextUtils.getRequiredWebApplicationContext(context);
AuthenticationService auth = (AuthenticationService)wc.getBean(AUTHENTICATION_SERVICE);
HttpSession session = httpRequest.getSession();
try
{
// If we already have a cached user, make sure it is for the right ticket
SessionUser user = (SessionUser)session.getAttribute(AuthenticationHelper.AUTHENTICATION_USER);
if (user != null && !user.getTicket().equals(ticket))
{
if (logger.isDebugEnabled())
logger.debug("Found a previously-cached user with the wrong identity.");
session.removeAttribute(AUTHENTICATION_USER);
if (!Application.inPortalServer())
{
if (logger.isDebugEnabled())
logger.debug("The server is not running in a portal, invalidating session.");
session.invalidate();
session = httpRequest.getSession();
}
user = null;
}
// Validate the ticket and associate it with the session
auth.validate(ticket);
if (user == null)
{
if (logger.isDebugEnabled())
logger.debug("Ticket is valid; caching a new user in the session.");
setUser(context, httpRequest, auth.getCurrentUserName(), ticket, false);
}
else if (logger.isDebugEnabled())
logger.debug("Ticket is valid; retaining cached user in session.");
}
catch (AuthenticationException authErr)
{
if (logger.isDebugEnabled())
logger.debug("An AuthenticationException occured: ", authErr);
session.removeAttribute(AUTHENTICATION_USER);
if (!Application.inPortalServer())
{
if (logger.isDebugEnabled())
logger.debug("The server is not running in a portal, invalidating session.");
session.invalidate();
}
return AuthenticationStatus.Failure;
}
catch (Throwable e)
{
if (logger.isDebugEnabled())
logger.debug("Authentication failed due to unexpected error", e);
// Some other kind of serious failure
AuthenticationService unprotAuthService = (AuthenticationService)wc.getBean(UNPROTECTED_AUTH_SERVICE);
unprotAuthService.invalidateTicket(unprotAuthService.getCurrentTicket());
unprotAuthService.clearCurrentSecurityContext();
return AuthenticationStatus.Failure;
}
// As we are authenticating via a ticket, establish the session locale using request headers rather than web client preferences
setupThread(context, httpRequest, httpResponse, false);
return AuthenticationStatus.Success;
}
/**
* Creates an object for an authenticated user and stores it in the session.
*
* @param context
* the servlet context
* @param req
* the request
* @param currentUsername
* the current user name
* @param ticket
* a validated ticket
* @param externalAuth
* was this user authenticated externally?
* @return the user object
*/
public static User setUser(ServletContext context, HttpServletRequest req, String currentUsername,
String ticket, boolean externalAuth)
{
if (logger.isDebugEnabled())
logger.debug("Creating an object for " + currentUsername + " and storing it in the session");
WebApplicationContext wc = WebApplicationContextUtils.getRequiredWebApplicationContext(context);
User user = createUser(wc, currentUsername, ticket);
// store the User object in the Session - the authentication servlet will then proceed
HttpSession session = req.getSession(true);
session.setAttribute(AuthenticationHelper.AUTHENTICATION_USER, user);
setExternalAuth(session, externalAuth);
return user;
}
/**
* Sets or clears the external authentication flag on the session
*
* @param session
* the session
* @param externalAuth
* was the user authenticated externally?
*/
private static void setExternalAuth(HttpSession session, boolean externalAuth)
{
if (logger.isDebugEnabled())
logger.debug("Settings the external authentication flag on the session to " + externalAuth);
if (externalAuth)
{
session.setAttribute(LoginBean.LOGIN_EXTERNAL_AUTH, Boolean.TRUE);
}
else
{
session.removeAttribute(LoginBean.LOGIN_EXTERNAL_AUTH);
}
}
/**
* Creates an object for an authentication user.
*
* @param wc
* the web application context
* @param currentUsername
* the current user name
* @param ticket
* a validated ticket
* @return the user object
*/
private static User createUser(final WebApplicationContext wc, final String currentUsername, final String ticket)
{
if (logger.isDebugEnabled())
logger.debug("Creating an object for " + currentUsername + " with ticket: " + ticket);
final ServiceRegistry services = (ServiceRegistry) wc.getBean(ServiceRegistry.SERVICE_REGISTRY);
// If the repository is read only, we have to settle for a read only transaction. Auto user creation
// will not be possible.
boolean readOnly = services.getTransactionService().isReadOnly();
return services.getTransactionService().getRetryingTransactionHelper().doInTransaction(
new RetryingTransactionHelper.RetryingTransactionCallback<User>()
{
public User execute() throws Throwable
{
NodeService nodeService = services.getNodeService();
PersonService personService = (PersonService) wc.getBean(PERSON_SERVICE);
NodeRef personRef = personService.getPerson(currentUsername);
User user = new User(currentUsername, ticket, personRef);
NodeRef homeRef = (NodeRef) nodeService.getProperty(personRef, ContentModel.PROP_HOMEFOLDER);
if (homeRef==null || !nodeService.exists(homeRef))
{
throw new AuthenticationException("Home folder is missing for user " + currentUsername);
}
user.setHomeSpaceId(homeRef.getId());
return user;
}
}, readOnly, false);
}
/**
* For no previous authentication or forced Guest - attempt Guest access
*
* @param ctx
* WebApplicationContext
* @param auth
* AuthenticationService
*/
public static User portalGuestAuthenticate(WebApplicationContext ctx, AuthenticationService auth)
{
if (logger.isDebugEnabled())
logger.debug("Authenticating the current user as Guest in a portal.");
try
{
auth.authenticateAsGuest();
return createUser(ctx, AuthenticationUtil.getGuestUserName(), auth.getCurrentTicket());
}
catch (AuthenticationException guestError)
{
if (logger.isDebugEnabled())
logger.debug("An AuthenticationException occurred, expected if Guest access not allowed - continue to login page as usual", guestError);
}
catch (AccessDeniedException accessError)
{
// Guest is unable to access either properties on Person
AuthenticationService unprotAuthService = (AuthenticationService) ctx.getBean(UNPROTECTED_AUTH_SERVICE);
unprotAuthService.invalidateTicket(unprotAuthService.getCurrentTicket());
unprotAuthService.clearCurrentSecurityContext();
logger.warn("Unable to login as Guest: " + accessError.getMessage());
}
catch (Throwable e)
{
if (logger.isDebugEnabled())
logger.debug("Unexpected error authenticating as Guest in a portal.", e);
// Some other kind of serious failure to report
AuthenticationService unprotAuthService = (AuthenticationService) ctx.getBean(UNPROTECTED_AUTH_SERVICE);
unprotAuthService.invalidateTicket(unprotAuthService.getCurrentTicket());
unprotAuthService.clearCurrentSecurityContext();
throw new AlfrescoRuntimeException("Failed to authenticate as Guest user.", e);
}
return null;
}
/**
* Uses the remote user mapper, if one is configured, to extract a user ID from the request
*
* @param sc
* the servlet context
* @param httpRequest
* The HTTP request
* @return the user ID if a user has been externally authenticated or <code>null</code> otherwise.
*/
public static String getRemoteUser(final ServletContext sc, final HttpServletRequest httpRequest)
{
String userId = null;
// If the remote user mapper is configured, we may be able to map in an externally authenticated user
RemoteUserMapper remoteUserMapper = getRemoteUserMapper(sc);
if (remoteUserMapper != null)
{
userId = remoteUserMapper.getRemoteUser(httpRequest);
}
if (logger.isDebugEnabled())
{
if (userId == null)
{
logger.debug("No external user ID in request.");
}
else
{
logger.debug("Extracted external user ID from request: " + userId);
}
}
return userId;
}
/**
* Gets the remote user mapper if one is configured and active (i.e. external authentication is in use).
* @param sc
* the servlet context
* @return the remote user mapper if one is configured and active; otherwise <code>null</code>
*/
public static RemoteUserMapper getRemoteUserMapper(final ServletContext sc)
{
final WebApplicationContext wc = WebApplicationContextUtils.getRequiredWebApplicationContext(sc);
RemoteUserMapper remoteUserMapper = (RemoteUserMapper) wc.getBean(REMOTE_USER_MAPPER);
if (remoteUserMapper != null && !(remoteUserMapper instanceof ActivateableBean) || ((ActivateableBean) remoteUserMapper).isActive())
{
if (logger.isDebugEnabled())
{
logger.debug("Remote user mapper configured and active.");
}
return remoteUserMapper;
}
if (logger.isDebugEnabled())
{
logger.debug("No active remote user mapper.");
}
return null;
}
/**
* Attempts to retrieve the User object stored in the current session.
*
* @param sc
* the servlet context
* @param httpRequest
* The HTTP request
* @param httpResponse
* The HTTP response
* @return The User object representing the current user or null if it could not be found
*/
public static User getUser(final ServletContext sc, final HttpServletRequest httpRequest, HttpServletResponse httpResponse)
{
// If the remote user mapper is configured, we may be able to map in an externally authenticated user
String userId = getRemoteUser(sc, httpRequest);
final WebApplicationContext wc = WebApplicationContextUtils.getRequiredWebApplicationContext(sc);
HttpSession session = httpRequest.getSession();
User user = null;
// examine the appropriate session to try and find the User object
SessionUser sessionUser = Application.getCurrentUser(session);
// Make sure the ticket is valid, the person exists, and the cached user is of the right type (WebDAV users have
// been known to leak in but shouldn't now)
if (sessionUser != null)
{
if (logger.isDebugEnabled())
logger.debug("SessionUser is: " + sessionUser.getUserName());
AuthenticationService auth = (AuthenticationService) wc.getBean(AUTHENTICATION_SERVICE);
try
{
auth.validate(sessionUser.getTicket());
if (sessionUser instanceof User)
{
user = (User)sessionUser;
setExternalAuth(session, userId != null);
}
else
{
user = setUser(sc, httpRequest, sessionUser.getUserName(), sessionUser.getTicket(), userId != null);
}
}
catch (AuthenticationException authErr)
{
if (logger.isDebugEnabled())
logger.debug("An authentication error occured while setting the session user", authErr);
session.removeAttribute(AUTHENTICATION_USER);
if (!Application.inPortalServer())
{
if (logger.isDebugEnabled())
logger.debug("Invalidating the session.");
session.invalidate();
}
}
}
// If the remote user mapper is configured, we may be able to map in an externally authenticated user
if (userId != null)
{
AuthorityService authorityService = (AuthorityService) wc.getBean(AUTHORITY_SERVICE);
// We have a previously-cached user with the wrong identity - replace them
if (user != null && !authorityService.isGuestAuthority(user.getUserName()) && !user.getUserName().equals(userId))
{
if (logger.isDebugEnabled())
logger.debug("We have a previously-cached user with the wrong identity - replace them");
session.removeAttribute(AUTHENTICATION_USER);
if (!Application.inPortalServer())
{
if (logger.isDebugEnabled())
logger.debug("Invalidating session.");
session.invalidate();
}
user = null;
}
if (user == null)
{
if (logger.isDebugEnabled())
logger.debug("There are no previously-cached users.");
// If we have been authenticated by other means, just propagate through the user identity
AuthenticationComponent authenticationComponent = (AuthenticationComponent) wc
.getBean(AUTHENTICATION_COMPONENT);
try
{
if (logger.isDebugEnabled())
logger.debug("We have been authenticated by other means, authenticating the user: " + userId);
authenticationComponent.setCurrentUser(userId);
AuthenticationService authenticationService = (AuthenticationService) wc.getBean(AUTHENTICATION_SERVICE);
user = setUser(sc, httpRequest, userId, authenticationService.getCurrentTicket(), true);
}
catch (AuthenticationException authErr)
{
if (logger.isDebugEnabled())
logger.debug("An authentication error occured while setting the session user" , authErr);
// Allow for an invalid external user ID to be indicated
session.removeAttribute(AUTHENTICATION_USER);
if (!Application.inPortalServer())
{
if (logger.isDebugEnabled())
logger.debug("Invalidating the session.");
session.invalidate();
}
}
}
}
return user;
}
/**
* Setup the Alfresco auth cookie value.
*
* @param httpRequest
* @param httpResponse
* @param username
*/
public static void setUsernameCookie(HttpServletRequest httpRequest, HttpServletResponse httpResponse, String username)
{
if (logger.isDebugEnabled())
logger.debug("Setting up the Alfresco auth cookie for " + username);
Cookie authCookie = getAuthCookie(httpRequest);
// Let's Base 64 encode the username so it is a legal cookie value
String encodedUsername;
try
{
encodedUsername = Base64.encodeBytes(username.getBytes("UTF-8"));
if (logger.isDebugEnabled())
logger.debug("Base 64 encode the username: " + encodedUsername);
}
catch (UnsupportedEncodingException e)
{
throw new RuntimeException(e);
}
if (authCookie == null)
{
if (logger.isDebugEnabled())
logger.debug("No Alfresco auth cookie wa found, creating new one.");
authCookie = new Cookie(COOKIE_ALFUSER, encodedUsername);
}
else
{
if (logger.isDebugEnabled())
logger.debug("Updating the previous Alfresco auth cookie value.");
authCookie.setValue(encodedUsername);
}
authCookie.setPath(httpRequest.getContextPath());
// TODO: make this configurable - currently 7 days (value in seconds)
authCookie.setMaxAge(60*60*24*7);
httpResponse.addCookie(authCookie);
}
/**
* Helper to return the Alfresco auth cookie. The cookie saves the last used username value.
*
* @param httpRequest
*
* @return Cookie if found or null if not present
*/
public static Cookie getAuthCookie(HttpServletRequest httpRequest)
{
if (logger.isDebugEnabled())
logger.debug("Searching for Alfresco auth cookie.");
Cookie authCookie = null;
Cookie[] cookies = httpRequest.getCookies();
if (cookies != null)
{
if (logger.isDebugEnabled())
logger.debug("Cookies present.");
for (int i=0; i<cookies.length; i++)
{
if (COOKIE_ALFUSER.equals(cookies[i].getName()))
{
// found cookie
if (logger.isDebugEnabled())
logger.debug("Found Alfresco auth cookie: " + cookies[i].toString());
authCookie = cookies[i];
break;
}
}
}
return authCookie;
}
/**
* Gets the decoded auth cookie value.
*
* @param authCookie
* the auth cookie
* @return the auth cookie value
*/
public static String getAuthCookieValue(Cookie authCookie)
{
String authCookieValue = authCookie.getValue();
if (logger.isDebugEnabled())
logger.debug("Decoding auth cookie: " + authCookieValue);
if (authCookieValue == null)
{
return null;
}
try
{
String decodedAuthCoockieValue = new String(Base64.decode(authCookieValue), "UTF-8");
if (logger.isDebugEnabled())
logger.debug("The auth cookie is: " + decodedAuthCoockieValue);
return decodedAuthCoockieValue;
}
catch (UnsupportedEncodingException e)
{
throw new RuntimeException(e);
}
}
}