/**
* Updates the user's Shibboleth session with authentication information. If no session exists a
* new one will be created.
*
* @param loginContext current login context
* @param authenticationSubject subject created from the authentication method
* @param authenticationMethod the method used to authenticate the subject
* @param authenticationInstant the time of authentication
* @param httpRequest current HTTP request
* @param httpResponse current HTTP response
*/
protected void updateUserSession(
LoginContext loginContext,
Subject authenticationSubject,
String authenticationMethod,
DateTime authenticationInstant,
HttpServletRequest httpRequest,
HttpServletResponse httpResponse) {
Principal authenticationPrincipal = authenticationSubject.getPrincipals().iterator().next();
LOG.debug("Updating session information for principal {}", authenticationPrincipal.getName());
Session idpSession = (Session) httpRequest.getAttribute(Session.HTTP_SESSION_BINDING_ATTRIBUTE);
if (idpSession == null) {
LOG.debug("Creating shibboleth session for principal {}", authenticationPrincipal.getName());
idpSession = (Session) sessionManager.createSession();
loginContext.setSessionID(idpSession.getSessionID());
addSessionCookie(httpRequest, httpResponse, idpSession);
}
// Merge the information in the current session subject with the information from the
// login handler subject
idpSession.setSubject(mergeSubjects(idpSession.getSubject(), authenticationSubject));
// Check if an existing authentication method with no updated timestamp was used (i.e. SSO
// occurred);
// if not record the new information
AuthenticationMethodInformation authnMethodInfo =
idpSession.getAuthenticationMethods().get(authenticationMethod);
if (authnMethodInfo == null || authenticationInstant != null) {
LOG.debug(
"Recording authentication and service information in Shibboleth session for principal: {}",
authenticationPrincipal.getName());
LoginHandler loginHandler =
handlerManager.getLoginHandlers().get(loginContext.getAttemptedAuthnMethod());
DateTime authnInstant = authenticationInstant;
if (authnInstant == null) {
authnInstant = new DateTime();
}
authnMethodInfo =
new AuthenticationMethodInformationImpl(
idpSession.getSubject(),
authenticationPrincipal,
authenticationMethod,
authnInstant,
loginHandler.getAuthenticationDuration());
}
loginContext.setAuthenticationMethodInformation(authnMethodInfo);
idpSession
.getAuthenticationMethods()
.put(authnMethodInfo.getAuthenticationMethod(), authnMethodInfo);
sessionManager.indexSession(idpSession, idpSession.getPrincipalName());
ServiceInformation serviceInfo =
new ServiceInformationImpl(
loginContext.getRelyingPartyId(), new DateTime(), authnMethodInfo);
idpSession.getServicesInformation().put(serviceInfo.getEntityID(), serviceInfo);
}
/**
* Begins the authentication process. Determines if forced re-authentication is required or if an
* existing, active, authentication method is sufficient. Also determines, when authentication is
* required, which handler to use depending on whether passive authentication is required.
*
* @param loginContext current login context
* @param httpRequest current HTTP request
* @param httpResponse current HTTP response
*/
protected void startUserAuthentication(
LoginContext loginContext, HttpServletRequest httpRequest, HttpServletResponse httpResponse) {
LOG.debug("Beginning user authentication process.");
try {
Session idpSession =
(Session) httpRequest.getAttribute(Session.HTTP_SESSION_BINDING_ATTRIBUTE);
if (idpSession != null) {
LOG.debug("Existing IdP session available for principal {}", idpSession.getPrincipalName());
}
Map<String, LoginHandler> possibleLoginHandlers =
determinePossibleLoginHandlers(idpSession, loginContext);
// Filter out possible candidate login handlers by forced and passive authentication
// requirements
if (loginContext.isForceAuthRequired()) {
filterByForceAuthentication(idpSession, loginContext, possibleLoginHandlers);
}
if (loginContext.isPassiveAuthRequired()) {
filterByPassiveAuthentication(idpSession, loginContext, possibleLoginHandlers);
}
LoginHandler loginHandler =
selectLoginHandler(possibleLoginHandlers, loginContext, idpSession);
loginContext.setAuthenticationAttempted();
loginContext.setAuthenticationEngineURL(HttpHelper.getRequestUriWithoutContext(httpRequest));
// Send the request to the login handler
HttpServletHelper.bindLoginContext(
loginContext, storageService, getServletContext(), httpRequest, httpResponse);
loginHandler.login(httpRequest, httpResponse);
} catch (AuthenticationException e) {
loginContext.setAuthenticationFailure(e);
returnToProfileHandler(httpRequest, httpResponse);
}
}
