/**
* 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);
}
}
@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;
}
