@Override
protected Event doExecute(final RequestContext context) throws Exception {
final Service service = WebUtils.getService(context);
// No service == plain /login request. Return success indicating transition to the login form
if (service == null) {
return success();
}
final RegisteredService registeredService = this.servicesManager.findServiceBy(service);
if (registeredService == null) {
logger.warn(
"Unauthorized Service Access for Service: [ {} ] - service is not defined in the service registry.",
service.getId());
throw new UnauthorizedServiceException();
} else if (!registeredService.isEnabled()) {
logger.warn(
"Unauthorized Service Access for Service: [ {} ] - service is not enabled in the service registry.",
service.getId());
if (registeredService instanceof RegisteredServiceWithAttributes) {
String disabledServiceUrl =
(String)
RegisteredServiceWithAttributes.class
.cast(registeredService)
.getExtraAttributes()
.get(DISABLED_SERVICE_URL_ATTRIBUTE);
if (disabledServiceUrl != null) {
context.getRequestScope().put(DISABLED_SERVICE_URL_ATTRIBUTE, disabledServiceUrl);
return no();
}
}
throw new UnauthorizedServiceException();
}
return success();
}
@Override
protected Event doExecute(final RequestContext context) throws Exception {
final Service service = WebUtils.getService(context);
final boolean match = this.servicesManager.matchesExistingService(service);
if (match) {
return success();
}
throw new UnauthorizedServiceException(
String.format("Service [%s] is not authorized to use CAS.", service.getId()));
}
/**
* Normalize the path of a service by removing the query string and everything after a semi-colon.
*
* @param service the service to normalize
* @return the normalized path
*/
private static String normalizePath(final Service service) {
String path = service.getId();
path = StringUtils.substringBefore(path, "?");
path = StringUtils.substringBefore(path, ";");
path = StringUtils.substringBefore(path, "#");
return path;
}
@Override
protected Event doExecute(final RequestContext context) throws Exception {
final Service service = WebUtils.getService(context);
if (service == null) {
logger.debug("No service found in the request context, so resuming normally.");
return success();
}
final RegisteredService registeredService = this.servicesManager.findServiceBy(service);
if (registeredService == null) {
logger.warn(
"Unauthorized Service Access for Service: [{}] - service is not defined in the service registry.",
service.getId());
throw new UnauthorizedServiceException();
}
if (!registeredService.isEnabled()) {
logger.warn(
"Unauthorized Service Access for Service: [{}] - service is not enabled in the service registry.",
service.getId());
throw new UnauthorizedServiceException();
}
if (registeredService instanceof RegisteredServiceWithAttributes) {
final RegisteredServiceWithAttributes regSvcWithAttr =
RegisteredServiceWithAttributes.class.cast(registeredService);
final String redirectToUrl =
(String) regSvcWithAttr.getExtraAttributes().get(REDIRECT_TO_URL_ATTRIBUTE);
if (redirectToUrl != null
&& this.redirectionAdvisor.shouldRedirectServiceRequest(
context, regSvcWithAttr, redirectToUrl)) {
logger.info("Redirecting to url [{}] for service [{}]", redirectToUrl, service.getId());
context.getRequestScope().put(REDIRECT_TO_URL_ATTRIBUTE, redirectToUrl);
return yes();
}
}
logger.debug(
"No redirect url is configured, or redirection for service [{}] is not needed",
service.getId());
return success();
}
@Override
protected void prepareResponse(final Response response, final Map<String, Object> model) {
final DateTime issuedAt = response.getIssueInstant();
final Service service = getAssertionFrom(model).getService();
final Authentication authentication = getPrimaryAuthenticationFrom(model);
final String authenticationMethod =
(String)
authentication
.getAttributes()
.get(SamlAuthenticationMetaDataPopulator.ATTRIBUTE_AUTHENTICATION_METHOD);
final AuthenticationStatement authnStatement =
this.samlObjectBuilder.newAuthenticationStatement(
authentication.getAuthenticationDate(),
authenticationMethod,
getPrincipal(model).getId());
final Assertion assertion =
this.samlObjectBuilder.newAssertion(
authnStatement, this.issuer, issuedAt, this.samlObjectBuilder.generateSecureRandomId());
final Conditions conditions =
this.samlObjectBuilder.newConditions(issuedAt, service.getId(), this.issueLength);
assertion.setConditions(conditions);
final Subject subject = this.samlObjectBuilder.newSubject(getPrincipal(model).getId());
final Map<String, Object> attributesToSend = prepareSamlAttributes(model, service);
if (!attributesToSend.isEmpty()) {
assertion
.getAttributeStatements()
.add(
this.samlObjectBuilder.newAttributeStatement(
subject, attributesToSend, VALIDATION_SAML_ATTRIBUTE_NAMESPACE));
}
response.setStatus(this.samlObjectBuilder.newStatus(StatusCode.SUCCESS, null));
response.getAssertions().add(assertion);
}
@Test
public void verifyValidServiceTicketAndPgtUrlMismatch() throws Exception {
final TicketGrantingTicket tId =
getCentralAuthenticationService()
.createTicketGrantingTicket(TestUtils.getCredentialsWithSameUsernameAndPassword());
final Service svc = TestUtils.getService("proxyService");
final ServiceTicket sId =
getCentralAuthenticationService().grantServiceTicket(tId.getId(), svc);
final MockHttpServletRequest request = new MockHttpServletRequest();
request.addParameter("service", svc.getId());
request.addParameter("ticket", sId.getId());
request.addParameter("pgtUrl", "http://www.github.com");
final ModelAndView modelAndView =
this.serviceValidateController.handleRequestInternal(
request, new MockHttpServletResponse());
assertEquals(
ServiceValidateController.DEFAULT_SERVICE_FAILURE_VIEW_NAME, modelAndView.getViewName());
assertNull(modelAndView.getModel().get("pgtIou"));
}
/**
* Ensure that the service is found and enabled in the service registry.
*
* @param registeredService the located entry in the registry
* @param service authenticating service
* @throws UnauthorizedServiceException
*/
private void verifyRegisteredServiceProperties(
final RegisteredService registeredService, final Service service) {
if (registeredService == null) {
final String msg =
String.format(
"ServiceManagement: Unauthorized Service Access. "
+ "Service [%s] is not found in service registry.",
service.getId());
logger.warn(msg);
throw new UnauthorizedServiceException(
UnauthorizedServiceException.CODE_UNAUTHZ_SERVICE, msg);
}
if (!registeredService.getAccessStrategy().isServiceAccessAllowed()) {
final String msg =
String.format(
"ServiceManagement: Unauthorized Service Access. "
+ "Service [%s] is not enabled in service registry.",
service.getId());
logger.warn(msg);
throw new UnauthorizedServiceException(
UnauthorizedServiceException.CODE_UNAUTHZ_SERVICE, msg);
}
}
/**
* Update service and track session.
*
* @param id the id
* @param service the service
* @param onlyTrackMostRecentSession the only track most recent session
*/
protected void updateServiceAndTrackSession(
final String id, final Service service, final boolean onlyTrackMostRecentSession) {
updateState();
final List<Authentication> authentications = getChainedAuthentications();
service.setPrincipal(authentications.get(authentications.size() - 1).getPrincipal());
if (onlyTrackMostRecentSession) {
final String path = normalizePath(service);
final Collection<Service> existingServices = services.values();
// loop on existing services
for (final Service existingService : existingServices) {
final String existingPath = normalizePath(existingService);
// if an existing service has the same normalized path, remove it
// and its service ticket to keep the latest one
if (StringUtils.equals(path, existingPath)) {
existingServices.remove(existingService);
LOGGER.trace("Removed previous tickets for service: {}", existingService);
break;
}
}
}
this.services.put(id, service);
}
@Audit(
action = "SERVICE_TICKET",
actionResolverName = "GRANT_SERVICE_TICKET_RESOLVER",
resourceResolverName = "GRANT_SERVICE_TICKET_RESOURCE_RESOLVER")
@Timed(name = "GRANT_SERVICE_TICKET_TIMER")
@Metered(name = "GRANT_SERVICE_TICKET_METER")
@Counted(name = "GRANT_SERVICE_TICKET_COUNTER", monotonic = true)
@Transactional(readOnly = false)
@Override
public ServiceTicket grantServiceTicket(
final String ticketGrantingTicketId, final Service service, final Credential... credentials)
throws AuthenticationException, TicketException {
final TicketGrantingTicket ticketGrantingTicket =
getTicket(ticketGrantingTicketId, TicketGrantingTicket.class);
final RegisteredService registeredService = this.servicesManager.findServiceBy(service);
verifyRegisteredServiceProperties(registeredService, service);
final Set<Credential> sanitizedCredentials = sanitizeCredentials(credentials);
Authentication currentAuthentication = null;
if (sanitizedCredentials.size() > 0) {
currentAuthentication =
this.authenticationManager.authenticate(
sanitizedCredentials.toArray(new Credential[] {}));
final Authentication original = ticketGrantingTicket.getAuthentication();
if (!currentAuthentication.getPrincipal().equals(original.getPrincipal())) {
throw new MixedPrincipalException(
currentAuthentication, currentAuthentication.getPrincipal(), original.getPrincipal());
}
ticketGrantingTicket.getSupplementalAuthentications().add(currentAuthentication);
}
if (currentAuthentication == null
&& !registeredService.getAccessStrategy().isServiceAccessAllowedForSso()) {
logger.warn("ServiceManagement: Service [{}] is not allowed to use SSO.", service.getId());
throw new UnauthorizedSsoServiceException();
}
final Service proxiedBy = ticketGrantingTicket.getProxiedBy();
if (proxiedBy != null) {
logger.debug(
"TGT is proxied by [{}]. Locating proxy service in registry...", proxiedBy.getId());
final RegisteredService proxyingService = servicesManager.findServiceBy(proxiedBy);
if (proxyingService != null) {
logger.debug("Located proxying service [{}] in the service registry", proxyingService);
if (!proxyingService.getProxyPolicy().isAllowedToProxy()) {
logger.warn(
"Found proxying service {}, but it is not authorized to fulfill the proxy attempt made by {}",
proxyingService.getId(),
service.getId());
throw new UnauthorizedProxyingException(
"Proxying is not allowed for registered service " + registeredService.getId());
}
} else {
logger.warn(
"No proxying service found. Proxy attempt by service [{}] (registered service [{}]) is not allowed.",
service.getId(),
registeredService.getId());
throw new UnauthorizedProxyingException(
"Proxying is not allowed for registered service " + registeredService.getId());
}
} else {
logger.trace("TGT is not proxied by another service");
}
// Perform security policy check by getting the authentication that satisfies the configured
// policy
// This throws if no suitable policy is found
getAuthenticationSatisfiedByPolicy(
ticketGrantingTicket, new ServiceContext(service, registeredService));
final List<Authentication> authentications = ticketGrantingTicket.getChainedAuthentications();
final Principal principal = authentications.get(authentications.size() - 1).getPrincipal();
final Map<String, Object> principalAttrs =
registeredService.getAttributeReleasePolicy().getAttributes(principal);
if (!registeredService
.getAccessStrategy()
.doPrincipalAttributesAllowServiceAccess(principalAttrs)) {
logger.warn(
"ServiceManagement: Cannot grant service ticket because Service [{}] is not authorized for use by [{}].",
service.getId(),
principal);
throw new UnauthorizedServiceForPrincipalException();
}
final String uniqueTicketIdGenKey = service.getClass().getName();
logger.debug("Looking up service ticket id generator for [{}]", uniqueTicketIdGenKey);
UniqueTicketIdGenerator serviceTicketUniqueTicketIdGenerator =
this.uniqueTicketIdGeneratorsForService.get(uniqueTicketIdGenKey);
if (serviceTicketUniqueTicketIdGenerator == null) {
serviceTicketUniqueTicketIdGenerator = this.defaultServiceTicketIdGenerator;
logger.debug(
"Service ticket id generator not found for [{}]. Using the default generator...",
uniqueTicketIdGenKey);
}
final String ticketPrefix =
authentications.size() == 1 ? ServiceTicket.PREFIX : ServiceTicket.PROXY_TICKET_PREFIX;
final String ticketId = serviceTicketUniqueTicketIdGenerator.getNewTicketId(ticketPrefix);
final ServiceTicket serviceTicket =
ticketGrantingTicket.grantServiceTicket(
ticketId, service, this.serviceTicketExpirationPolicy, currentAuthentication != null);
this.serviceTicketRegistry.addTicket(serviceTicket);
logger.info(
"Granted ticket [{}] for service [{}] for user [{}]",
serviceTicket.getId(),
service.getId(),
principal.getId());
return serviceTicket;
}
public boolean matches(final Service service) {
if (servicePattern == null) {
servicePattern = createPattern(serviceId);
}
return service != null && servicePattern.matcher(service.getId()).matches();
}
@Override
protected void renderMergedOutputModel(
final Map model, final HttpServletRequest request, final HttpServletResponse response)
throws Exception {
try {
final Assertion assertion = getAssertionFrom(model);
final Authentication authentication = assertion.getChainedAuthentications().get(0);
final Date currentDate = new Date();
final String authenticationMethod =
(String)
authentication
.getAttributes()
.get(SamlAuthenticationMetaDataPopulator.ATTRIBUTE_AUTHENTICATION_METHOD);
final Service service = assertion.getService();
final SAMLResponse samlResponse =
new SAMLResponse(null, service.getId(), new ArrayList<Object>(), null);
final boolean isRemembered =
(authentication
.getAttributes()
.get(RememberMeCredentials.AUTHENTICATION_ATTRIBUTE_REMEMBER_ME)
== Boolean.TRUE
&& !assertion.isFromNewLogin());
samlResponse.setIssueInstant(currentDate);
// this should be true, but we never enforced it, so we need to check to be safe
if (service instanceof SamlService) {
final SamlService samlService = (SamlService) service;
if (samlService.getRequestID() != null) {
samlResponse.setInResponseTo(samlService.getRequestID());
}
}
final SAMLAssertion samlAssertion = new SAMLAssertion();
samlAssertion.setIssueInstant(currentDate);
samlAssertion.setIssuer(this.issuer);
samlAssertion.setNotBefore(currentDate);
samlAssertion.setNotOnOrAfter(new Date(currentDate.getTime() + this.issueLength));
final SAMLAudienceRestrictionCondition samlAudienceRestrictionCondition =
new SAMLAudienceRestrictionCondition();
samlAudienceRestrictionCondition.addAudience(service.getId());
final SAMLAuthenticationStatement samlAuthenticationStatement =
new SAMLAuthenticationStatement();
samlAuthenticationStatement.setAuthInstant(authentication.getAuthenticatedDate());
samlAuthenticationStatement.setAuthMethod(
authenticationMethod != null
? authenticationMethod
: SAMLAuthenticationStatement.AuthenticationMethod_Unspecified);
samlAuthenticationStatement.setSubject(getSamlSubject(authentication));
if (!authentication.getPrincipal().getAttributes().isEmpty() || isRemembered) {
final SAMLAttributeStatement attributeStatement = new SAMLAttributeStatement();
attributeStatement.setSubject(getSamlSubject(authentication));
samlAssertion.addStatement(attributeStatement);
for (final Entry<String, Object> e :
authentication.getPrincipal().getAttributes().entrySet()) {
final SAMLAttribute attribute = new SAMLAttribute();
attribute.setName(e.getKey());
attribute.setNamespace(NAMESPACE);
if (e.getValue() instanceof Collection<?>) {
final Collection<?> c = (Collection<?>) e.getValue();
if (c.isEmpty()) {
// 100323 bnoordhuis: don't add the attribute, it causes a
// org.opensaml.MalformedException
continue;
}
attribute.setValues(c);
} else {
attribute.addValue(e.getValue());
}
attributeStatement.addAttribute(attribute);
}
if (isRemembered) {
final SAMLAttribute attribute = new SAMLAttribute();
attribute.setName(REMEMBER_ME_ATTRIBUTE_NAME);
attribute.setNamespace(NAMESPACE);
attribute.addValue(true);
attributeStatement.addAttribute(attribute);
}
}
samlAssertion.addStatement(samlAuthenticationStatement);
samlAssertion.addCondition(samlAudienceRestrictionCondition);
samlResponse.addAssertion(samlAssertion);
final String xmlResponse = samlResponse.toString();
response.setContentType("text/xml; charset=" + this.encoding);
response.getWriter().print("<?xml version=\"1.0\" encoding=\"" + this.encoding + "\"?>");
response
.getWriter()
.print(
"<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\"><SOAP-ENV:Header/><SOAP-ENV:Body>");
response.getWriter().print(xmlResponse);
response.getWriter().print("</SOAP-ENV:Body></SOAP-ENV:Envelope>");
response.flushBuffer();
} catch (final Exception e) {
log.error(e.getMessage(), e);
throw e;
}
}
@Audit(
action = "SERVICE_TICKET",
actionResolverName = "GRANT_SERVICE_TICKET_RESOLVER",
resourceResolverName = "GRANT_SERVICE_TICKET_RESOURCE_RESOLVER")
@Profiled(tag = "GRANT_SERVICE_TICKET", logFailuresSeparately = false)
@Transactional(readOnly = false)
@Override
public String grantServiceTicket(
final String ticketGrantingTicketId, final Service service, final Credential... credentials)
throws AuthenticationException, TicketException {
Assert.notNull(ticketGrantingTicketId, "ticketGrantingticketId cannot be null");
Assert.notNull(service, "service cannot be null");
final TicketGrantingTicket ticketGrantingTicket =
this.ticketRegistry.getTicket(ticketGrantingTicketId, TicketGrantingTicket.class);
if (ticketGrantingTicket == null) {
logger.debug(
"TicketGrantingTicket [{}] cannot be found in the ticket registry.",
ticketGrantingTicketId);
throw new InvalidTicketException(ticketGrantingTicketId);
}
synchronized (ticketGrantingTicket) {
if (ticketGrantingTicket.isExpired()) {
this.ticketRegistry.deleteTicket(ticketGrantingTicketId);
logger.debug(
"TicketGrantingTicket[{}] has expired and is now deleted from the ticket registry.",
ticketGrantingTicketId);
throw new InvalidTicketException(ticketGrantingTicketId);
}
}
final RegisteredService registeredService = this.servicesManager.findServiceBy(service);
verifyRegisteredServiceProperties(registeredService, service);
if (!registeredService.isSsoEnabled()
&& credentials == null
&& ticketGrantingTicket.getCountOfUses() > 0) {
logger.warn("ServiceManagement: Service [{}] is not allowed to use SSO.", service.getId());
throw new UnauthorizedSsoServiceException();
}
// CAS-1019
final List<Authentication> authns = ticketGrantingTicket.getChainedAuthentications();
if (authns.size() > 1) {
if (!registeredService.isAllowedToProxy()) {
final String message =
String.format(
"ServiceManagement: Proxy attempt by service [%s] (registered service [%s]) is not allowed.",
service.getId(), registeredService.toString());
logger.warn(message);
throw new UnauthorizedProxyingException(message);
}
}
if (credentials != null) {
final Authentication current = this.authenticationManager.authenticate(credentials);
final Authentication original = ticketGrantingTicket.getAuthentication();
if (!current.getPrincipal().equals(original.getPrincipal())) {
throw new MixedPrincipalException(current, current.getPrincipal(), original.getPrincipal());
}
ticketGrantingTicket.getSupplementalAuthentications().add(current);
}
// Perform security policy check by getting the authentication that satisfies the configured
// policy
// This throws if no suitable policy is found
getAuthenticationSatisfiedByPolicy(
ticketGrantingTicket, new ServiceContext(service, registeredService));
final String uniqueTicketIdGenKey = service.getClass().getName();
if (!this.uniqueTicketIdGeneratorsForService.containsKey(uniqueTicketIdGenKey)) {
logger.warn(
"Cannot create service ticket because the key [{}] for service [{}] is not linked to a ticket id generator",
uniqueTicketIdGenKey,
service.getId());
throw new UnauthorizedSsoServiceException();
}
final UniqueTicketIdGenerator serviceTicketUniqueTicketIdGenerator =
this.uniqueTicketIdGeneratorsForService.get(uniqueTicketIdGenKey);
final String generatedServiceTicketId =
serviceTicketUniqueTicketIdGenerator.getNewTicketId(ServiceTicket.PREFIX);
logger.debug(
"Generated service ticket id [{}] for ticket granting ticket [{}]",
generatedServiceTicketId,
ticketGrantingTicket.getId());
final ServiceTicket serviceTicket =
ticketGrantingTicket.grantServiceTicket(
generatedServiceTicketId,
service,
this.serviceTicketExpirationPolicy,
credentials != null);
this.serviceTicketRegistry.addTicket(serviceTicket);
if (logger.isInfoEnabled()) {
final List<Authentication> authentications =
serviceTicket.getGrantingTicket().getChainedAuthentications();
final String formatString = "Granted %s ticket [%s] for service [%s] for user [%s]";
final String type;
final String principalId =
authentications.get(authentications.size() - 1).getPrincipal().getId();
if (authentications.size() == 1) {
type = "service";
} else {
type = "proxy";
}
logger.info(
String.format(formatString, type, serviceTicket.getId(), service.getId(), principalId));
}
return serviceTicket.getId();
}
public boolean matches(final Service service) {
return service != null
&& PATH_MATCHER.match(this.serviceId.toLowerCase(), service.getId().toLowerCase());
}
