/**
 * {@inheritDoc}
 * Destroy a TicketGrantingTicket and perform back channel logout. This has the effect of invalidating any
 * Ticket that was derived from the TicketGrantingTicket being destroyed. May throw an
 * {@link IllegalArgumentException} if the TicketGrantingTicket ID is null.
 *
 * @param ticketGrantingTicketId the id of the ticket we want to destroy
 * @return the logout requests.
 */
@Audit(
        action = "TICKET_GRANTING_TICKET_DESTROYED",
        actionResolverName = "DESTROY_TICKET_GRANTING_TICKET_RESOLVER",
        resourceResolverName = "DESTROY_TICKET_GRANTING_TICKET_RESOURCE_RESOLVER")
@Timed(name = "DESTROY_TICKET_GRANTING_TICKET_TIMER")
@Metered(name = "DESTROY_TICKET_GRANTING_TICKET_METER")
@Counted(name = "DESTROY_TICKET_GRANTING_TICKET_COUNTER", monotonic = true)
@Override
public List<LogoutRequest> destroyTicketGrantingTicket(@NotNull final String ticketGrantingTicketId) {
    try {
        logger.debug("Removing ticket [{}] from registry...", ticketGrantingTicketId);
        final TicketGrantingTicket ticket = getTicket(ticketGrantingTicketId, TicketGrantingTicket.class);
        logger.debug("Ticket found. Processing logout requests and then deleting the ticket...");
        final List<LogoutRequest> logoutRequests = logoutManager.performLogout(ticket);
        this.ticketRegistry.deleteTicket(ticketGrantingTicketId);

        doPublishEvent(new CasTicketGrantingTicketDestroyedEvent(this, ticket));

        return logoutRequests;
    } catch (final InvalidTicketException e) {
        logger.debug("TicketGrantingTicket [{}] cannot be found in the ticket registry.", ticketGrantingTicketId);
    }
    return Collections.emptyList();
}
 

@Audit(
        action = "TICKET_GRANTING_TICKET",
        actionResolverName = "CREATE_TICKET_GRANTING_TICKET_RESOLVER",
        resourceResolverName = "CREATE_TICKET_GRANTING_TICKET_RESOURCE_RESOLVER")
@Timed(name = "CREATE_TICKET_GRANTING_TICKET_TIMER")
@Metered(name = "CREATE_TICKET_GRANTING_TICKET_METER")
@Counted(name = "CREATE_TICKET_GRANTING_TICKET_COUNTER", monotonic = true)
@Override
public TicketGrantingTicket createTicketGrantingTicket(final AuthenticationContext context)
        throws AuthenticationException, AbstractTicketException {

    final Authentication authentication = context.getAuthentication();
    final TicketGrantingTicketFactory factory = this.ticketFactory.get(TicketGrantingTicket.class);
    final TicketGrantingTicket ticketGrantingTicket = factory.create(authentication);

    this.ticketRegistry.addTicket(ticketGrantingTicket);

    doPublishEvent(new CasTicketGrantingTicketCreatedEvent(this, ticketGrantingTicket));

    return ticketGrantingTicket;
}
 

/**
 * {@inheritDoc}
 * Destroy a TicketGrantingTicket and perform back channel logout. This has the effect of invalidating any
 * Ticket that was derived from the TicketGrantingTicket being destroyed. May throw an
 * {@link IllegalArgumentException} if the TicketGrantingTicket ID is null.
 *
 * @param ticketGrantingTicketId the id of the ticket we want to destroy
 * @return the logout requests.
 */
@Audit(
        action="TICKET_GRANTING_TICKET_DESTROYED",
        actionResolverName="DESTROY_TICKET_GRANTING_TICKET_RESOLVER",
        resourceResolverName="DESTROY_TICKET_GRANTING_TICKET_RESOURCE_RESOLVER")
@Timed(name = "DESTROY_TICKET_GRANTING_TICKET_TIMER")
@Metered(name="DESTROY_TICKET_GRANTING_TICKET_METER")
@Counted(name="DESTROY_TICKET_GRANTING_TICKET_COUNTER", monotonic=true)
@Override
public List<LogoutRequest> destroyTicketGrantingTicket(@NotNull final String ticketGrantingTicketId) {
    try {
        logger.debug("Removing ticket [{}] from registry...", ticketGrantingTicketId);
        final TicketGrantingTicket ticket = getTicket(ticketGrantingTicketId, TicketGrantingTicket.class);
        logger.debug("Ticket found. Processing logout requests and then deleting the ticket...");
        final List<LogoutRequest> logoutRequests = logoutManager.performLogout(ticket);
        this.ticketRegistry.deleteTicket(ticketGrantingTicketId);
        return logoutRequests;
    } catch (final InvalidTicketException e) {
        logger.debug("TicketGrantingTicket [{}] cannot be found in the ticket registry.", ticketGrantingTicketId);
    }
    return Collections.emptyList();
}
 

@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)
@Override
public ServiceTicket grantServiceTicket(final String ticketGrantingTicketId,
    final Service service) throws TicketException {
    try {
        return this.grantServiceTicket(ticketGrantingTicketId, service, (Credential[]) null);
    } catch (final AuthenticationException e) {
        throw new IllegalStateException("Unexpected authentication exception", e);
    }
}
 

/**
 * {@inheritDoc}
 */
@Timed(name = "GET_TICKET_TIMER")
@Metered(name = "GET_TICKET_METER")
@Counted(name="GET_TICKET_COUNTER", monotonic=true)
@Override
public <T extends Ticket> T getTicket(final String ticketId, final Class<? extends Ticket> clazz)
        throws InvalidTicketException {
    Assert.notNull(ticketId, "ticketId cannot be null");
    final Ticket ticket = this.ticketRegistry.getTicket(ticketId, clazz);

    if (ticket == null) {
        logger.debug("Ticket [{}] by type [{}] cannot be found in the ticket registry.", ticketId, clazz.getSimpleName());
        throw new InvalidTicketException(ticketId);
    }

    if (ticket instanceof TicketGrantingTicket) {
        synchronized (ticket) {
            if (ticket.isExpired()) {
                this.ticketRegistry.deleteTicket(ticketId);
                logger.debug("Ticket [{}] has expired and is now deleted from the ticket registry.", ticketId);
                throw new InvalidTicketException(ticketId);
            }
        }
    }
    return (T) ticket;
}
 

@Override
@Audit(
        action="TICKET_GRANTING_TICKET",
        actionResolverName="CREATE_TICKET_GRANTING_TICKET_RESOLVER",
        resourceResolverName="CREATE_TICKET_GRANTING_TICKET_RESOURCE_RESOLVER")
@Timed(name = "CREATE_TICKET_GRANTING_TICKET_TIMER")
@Metered(name = "CREATE_TICKET_GRANTING_TICKET_METER")
@Counted(name="CREATE_TICKET_GRANTING_TICKET_COUNTER", monotonic=true)
public TicketGrantingTicket createTicketGrantingTicket(final Credential... credentials) throws TicketException {
    final MultiFactorCredentials mfaCredentials = (MultiFactorCredentials) credentials[0];
    final Authentication authentication = mfaCredentials.getAuthentication();

    if (authentication == null) {
        throw new TicketCreationException(new RuntimeException("Authentication cannot be null"));
    }
    final TicketGrantingTicket ticketGrantingTicket = new TicketGrantingTicketImpl(
            this.ticketGrantingTicketUniqueTicketIdGenerator.getNewTicketId(TicketGrantingTicket.PREFIX),
            authentication,
            this.ticketGrantingTicketExpirationPolicy);

    this.ticketRegistry.addTicket(ticketGrantingTicket);
    return ticketGrantingTicket;
}
 

private void registerMetrics(Class<?> bean, Executable executable) {
    MetricResolver.Of<Counted> counted = resolver.counted(bean, executable);
    if (counted.isPresent())
        registry.counter(counted.metricName());

    MetricResolver.Of<ExceptionMetered> exceptionMetered = resolver.exceptionMetered(bean, executable);
    if (exceptionMetered.isPresent())
        registry.meter(exceptionMetered.metricName());

    MetricResolver.Of<Metered> metered = resolver.metered(bean, executable);
    if (metered.isPresent())
        registry.meter(metered.metricName());

    MetricResolver.Of<Timed> timed = resolver.timed(bean, executable);
    if (timed.isPresent()) {
        extension.<BiFunction<String, Class<? extends Metric>, Optional<Reservoir>>>getParameter(ReservoirFunction)
            .flatMap(function -> function.apply(timed.metricName(), Timer.class))
            .map(reservoir -> registry.timer(timed.metricName(), () -> new Timer(reservoir)))
            .orElseGet(() -> registry.timer(timed.metricName()));
    }
}
 

private String metricName(Annotation annotation) {
    if (CachedGauge.class.isInstance(annotation))
        return ((CachedGauge) annotation).name();
    else if (Counted.class.isInstance(annotation))
        return ((Counted) annotation).name();
    else if (ExceptionMetered.class.isInstance(annotation))
        return ((ExceptionMetered) annotation).name();
    else if (Gauge.class.isInstance(annotation))
        return ((Gauge) annotation).name();
    else if (Metered.class.isInstance(annotation))
        return ((Metered) annotation).name();
    else if (Timed.class.isInstance(annotation))
        return ((Timed) annotation).name();
    else
        throw new IllegalArgumentException("Unsupported Metrics forMethod [" + annotation.getClass().getName() + "]");
}
 

private boolean isMetricAbsolute(Annotation annotation) {
    if (extension.<Boolean>getParameter(UseAbsoluteName).orElse(false))
        return true;

    if (CachedGauge.class.isInstance(annotation))
        return ((CachedGauge) annotation).absolute();
    else if (Counted.class.isInstance(annotation))
        return ((Counted) annotation).absolute();
    else if (ExceptionMetered.class.isInstance(annotation))
        return ((ExceptionMetered) annotation).absolute();
    else if (Gauge.class.isInstance(annotation))
        return ((Gauge) annotation).absolute();
    else if (Metered.class.isInstance(annotation))
        return ((Metered) annotation).absolute();
    else if (Timed.class.isInstance(annotation))
        return ((Timed) annotation).absolute();
    else
        throw new IllegalArgumentException("Unsupported Metrics forMethod [" + annotation.getClass().getName() + "]");
}
 

@Audit(
        action = "PROXY_GRANTING_TICKET",
        actionResolverName = "CREATE_PROXY_GRANTING_TICKET_RESOLVER",
        resourceResolverName = "CREATE_PROXY_GRANTING_TICKET_RESOURCE_RESOLVER")
@Timed(name = "CREATE_PROXY_GRANTING_TICKET_TIMER")
@Metered(name = "CREATE_PROXY_GRANTING_TICKET_METER")
@Counted(name = "CREATE_PROXY_GRANTING_TICKET_COUNTER", monotonic = true)
@Override
public ProxyGrantingTicket createProxyGrantingTicket(final String serviceTicketId, final AuthenticationContext context)
        throws AuthenticationException, AbstractTicketException {

    final ServiceTicket serviceTicket = this.ticketRegistry.getTicket(serviceTicketId, ServiceTicket.class);

    if (serviceTicket == null || serviceTicket.isExpired()) {
        logger.debug("ServiceTicket [{}] has expired or cannot be found in the ticket registry", serviceTicketId);
        throw new InvalidTicketException(serviceTicketId);
    }

    final RegisteredService registeredService = this.servicesManager
            .findServiceBy(serviceTicket.getService());

    verifyRegisteredServiceProperties(registeredService, serviceTicket.getService());

    if (!registeredService.getProxyPolicy().isAllowedToProxy()) {
        logger.warn("ServiceManagement: Service [{}] attempted to proxy, but is not allowed.", serviceTicket.getService().getId());
        throw new UnauthorizedProxyingException();
    }

    final Authentication authentication = context.getAuthentication();
    final ProxyGrantingTicketFactory factory = this.ticketFactory.get(ProxyGrantingTicket.class);
    final ProxyGrantingTicket proxyGrantingTicket = factory.create(serviceTicket, authentication);

    logger.debug("Generated proxy granting ticket [{}] based off of [{}]", proxyGrantingTicket, serviceTicketId);
    this.ticketRegistry.addTicket(proxyGrantingTicket);

    doPublishEvent(new CasProxyGrantingTicketCreatedEvent(this, proxyGrantingTicket));

    return proxyGrantingTicket;

}
 

/**
 * {@inheritDoc}
 */
@Override
@Audit(
    action="AUTHENTICATION",
    actionResolverName="AUTHENTICATION_RESOLVER",
    resourceResolverName="AUTHENTICATION_RESOURCE_RESOLVER")
@Timed(name="AUTHENTICATE")
@Metered(name="AUTHENTICATE")
@Counted(name="AUTHENTICATE", monotonic=true)
public final Authentication authenticate(final Credential... credentials) throws AuthenticationException {

    final AuthenticationBuilder builder = authenticateInternal(credentials);
    final Authentication authentication = builder.build();
    final Principal principal = authentication.getPrincipal();
    if (principal  instanceof NullPrincipal) {
        throw new UnresolvedPrincipalException(authentication);
    }

    for (final HandlerResult result : authentication.getSuccesses().values()) {
        builder.addAttribute(AUTHENTICATION_METHOD_ATTRIBUTE, result.getHandlerName());
    }

    logger.info("Authenticated {} with credentials {}.", principal, Arrays.asList(credentials));
    logger.debug("Attribute map for {}: {}", principal.getId(), principal.getAttributes());

    for (final AuthenticationMetaDataPopulator populator : this.authenticationMetaDataPopulators) {
        for (final Credential credential : credentials) {
            if (populator.supports(credential)) {
                populator.populateAttributes(builder, credential);
            }
        }
    }

    return builder.build();
}
 

@Audit(
    action="PROXY_GRANTING_TICKET",
    actionResolverName="GRANT_PROXY_GRANTING_TICKET_RESOLVER",
    resourceResolverName="GRANT_PROXY_GRANTING_TICKET_RESOURCE_RESOLVER")
@Timed(name="GRANT_PROXY_GRANTING_TICKET_TIMER")
@Metered(name="GRANT_PROXY_GRANTING_TICKET_METER")
@Counted(name="GRANT_PROXY_GRANTING_TICKET_COUNTER", monotonic=true)
@Override
public TicketGrantingTicket delegateTicketGrantingTicket(final String serviceTicketId, final Credential... credentials)
        throws AuthenticationException, TicketException {

    final ServiceTicket serviceTicket =  this.serviceTicketRegistry.getTicket(serviceTicketId, ServiceTicket.class);

    if (serviceTicket == null || serviceTicket.isExpired()) {
        logger.debug("ServiceTicket [{}] has expired or cannot be found in the ticket registry", serviceTicketId);
        throw new InvalidTicketException(serviceTicketId);
    }

    final RegisteredService registeredService = this.servicesManager
            .findServiceBy(serviceTicket.getService());

    verifyRegisteredServiceProperties(registeredService, serviceTicket.getService());
    
    if (!registeredService.getProxyPolicy().isAllowedToProxy()) {
        logger.warn("ServiceManagement: Service [{}] attempted to proxy, but is not allowed.", serviceTicket.getService().getId());
        throw new UnauthorizedProxyingException();
    }

    final Authentication authentication = this.authenticationManager.authenticate(credentials);

    final String pgtId = this.ticketGrantingTicketUniqueTicketIdGenerator.getNewTicketId(
            TicketGrantingTicket.PROXY_GRANTING_TICKET_PREFIX);
    final TicketGrantingTicket proxyGrantingTicket = serviceTicket.grantTicketGrantingTicket(pgtId,
                                authentication, this.ticketGrantingTicketExpirationPolicy);

    logger.debug("Generated proxy granting ticket [{}] based off of [{}]", proxyGrantingTicket, serviceTicketId);
    this.ticketRegistry.addTicket(proxyGrantingTicket);

    return proxyGrantingTicket;
}
 

@Audit(
    action="TICKET_GRANTING_TICKET",
    actionResolverName="CREATE_TICKET_GRANTING_TICKET_RESOLVER",
    resourceResolverName="CREATE_TICKET_GRANTING_TICKET_RESOURCE_RESOLVER")
@Timed(name = "CREATE_TICKET_GRANTING_TICKET_TIMER")
@Metered(name = "CREATE_TICKET_GRANTING_TICKET_METER")
@Counted(name="CREATE_TICKET_GRANTING_TICKET_COUNTER", monotonic=true)
@Override
public TicketGrantingTicket createTicketGrantingTicket(final Credential... credentials)
        throws AuthenticationException, TicketException {

    final Set<Credential> sanitizedCredentials = sanitizeCredentials(credentials);
    if (sanitizedCredentials.size() > 0) {
        final Authentication authentication = this.authenticationManager.authenticate(credentials);

        final TicketGrantingTicket ticketGrantingTicket = new TicketGrantingTicketImpl(
                this.ticketGrantingTicketUniqueTicketIdGenerator
                        .getNewTicketId(TicketGrantingTicket.PREFIX),
                authentication, this.ticketGrantingTicketExpirationPolicy);

        this.ticketRegistry.addTicket(ticketGrantingTicket);
        return ticketGrantingTicket;
    }
    final String msg = "No credentials were specified in the request for creating a new ticket-granting ticket";
    logger.warn(msg);
    throw new TicketCreationException(new IllegalArgumentException(msg));
}
 

/**
 * {@inheritDoc}
 */
@Timed(name = "GET_TICKETS_TIMER")
@Metered(name = "GET_TICKETS_METER")
@Counted(name="GET_TICKETS_COUNTER", monotonic=true)
@Override
public Collection<Ticket> getTickets(final Predicate predicate) {
    final Collection<Ticket> c = new HashSet<>(this.ticketRegistry.getTickets());
    final Iterator<Ticket> it = c.iterator();
    while (it.hasNext()) {
        if (!predicate.evaluate(it.next())) {
            it.remove();
        }
    }
    return c;
}
 

/**
 * Gets the status of the Cassandra process.
 * @return A CassandraStatus object containing the status of the
 * Cassandra process.
 */
@GET
@Counted
@Path("/status")
public CassandraStatus getStatus() {

    return getDaemon().getStatus();
}
 

/**
 * Gets the configuration of the Cassandra daemon.
 * @return A CassandraConfig object containing the configuration of the
 * Cassandra daemon.
 */
@GET
@Counted
@Path("/configuration")
public CassandraConfig getConfig() {

    return getDaemon().getTask().getConfig();
}
 

@Timed(name = "GET_TICKET_TIMER")
@Metered(name = "GET_TICKET_METER")
@Counted(name="GET_TICKET_COUNTER", monotonic=true)
@Override
public <T extends Ticket> T getTicket(final String ticketId, final Class<? extends Ticket> clazz)
        throws InvalidTicketException {
    return delegate.getTicket(ticketId, clazz);

}
 

@Timed(name = "GET_TICKETS_TIMER")
@Metered(name = "GET_TICKETS_METER")
@Counted(name="GET_TICKETS_COUNTER", monotonic=true)
@Override
public Collection<Ticket> getTickets(final Predicate predicate) {
    return this.delegate.getTickets(predicate);
}
 

@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)
@Override
public ServiceTicket grantServiceTicket(final String ticketGrantingTicketId,
                                        final Service service) throws TicketException {
    return this.delegate.grantServiceTicket(ticketGrantingTicketId, 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)
@Override
public ServiceTicket grantServiceTicket(
        final String ticketGrantingTicketId,
        final Service service, final Credential... credentials)
        throws org.jasig.cas.authentication.AuthenticationException, TicketException {
    return this.delegate.grantServiceTicket(ticketGrantingTicketId, service, credentials);
}
 

@Audit(
        action="SERVICE_TICKET_VALIDATE",
        actionResolverName="VALIDATE_SERVICE_TICKET_RESOLVER",
        resourceResolverName="VALIDATE_SERVICE_TICKET_RESOURCE_RESOLVER")
@Timed(name="VALIDATE_SERVICE_TICKET_TIMER")
@Metered(name="VALIDATE_SERVICE_TICKET_METER")
@Counted(name="VALIDATE_SERVICE_TICKET_COUNTER", monotonic=true)
@Override
public Assertion validateServiceTicket(final String serviceTicketId, final Service service) throws TicketException {
    return this.delegate.validateServiceTicket(serviceTicketId, service);
}
 

@Audit(
        action="TICKET_GRANTING_TICKET_DESTROYED",
        actionResolverName="DESTROY_TICKET_GRANTING_TICKET_RESOLVER",
        resourceResolverName="DESTROY_TICKET_GRANTING_TICKET_RESOURCE_RESOLVER")
@Timed(name = "DESTROY_TICKET_GRANTING_TICKET_TIMER")
@Metered(name="DESTROY_TICKET_GRANTING_TICKET_METER")
@Counted(name="DESTROY_TICKET_GRANTING_TICKET_COUNTER", monotonic=true)
@Override
public List<LogoutRequest> destroyTicketGrantingTicket(@NotNull final String ticketGrantingTicketId) {
    return this.delegate.destroyTicketGrantingTicket(ticketGrantingTicketId);
}
 

@Audit(
        action="PROXY_GRANTING_TICKET",
        actionResolverName="GRANT_PROXY_GRANTING_TICKET_RESOLVER",
        resourceResolverName="GRANT_PROXY_GRANTING_TICKET_RESOURCE_RESOLVER")
@Timed(name="GRANT_PROXY_GRANTING_TICKET_TIMER")
@Metered(name="GRANT_PROXY_GRANTING_TICKET_METER")
@Counted(name="GRANT_PROXY_GRANTING_TICKET_COUNTER", monotonic=true)
@Override
public TicketGrantingTicket delegateTicketGrantingTicket(final String serviceTicketId, final Credential... credentials)
        throws org.jasig.cas.authentication.AuthenticationException, TicketException {
    return this.delegate.delegateTicketGrantingTicket(serviceTicketId, credentials);
}
 

@Counted(name = "counter", monotonic = true)
@ExceptionMetered(name = "exception")
@Gauge(name = "gauge")
@Metered(name = "meter")
@Timed(name = "timer")
public String metricsMethod() {
    return "value";
}
 

@Counted(name = "monotonicCountedMethod", absolute = true, monotonic = true)
public T monotonicCountedMethod(Callable<T> callable) {
    try {
        return callable.call();
    } catch (Exception cause) {
        throw new RuntimeException(cause);
    }
}
 

@Counted(name = "countedMethod", absolute = true)
public T countedMethod(Callable<T> callable) {
    try {
        return callable.call();
    } catch (Exception cause) {
        throw new RuntimeException(cause);
    }
}
 

private Object countedCallable(InvocationContext context, Executable executable) throws Exception {
    MetricResolver.Of<Counted> counted = resolver.counted(bean.getBeanClass(), executable);
    Counter counter = (Counter) registry.getMetrics().get(counted.metricName());
    if (counter == null)
        throw new IllegalStateException("No counter with name [" + counted.metricName() + "] found in registry [" + registry + "]");

    counter.inc();
    try {
        return context.proceed();
    } finally {
        if (!counted.metricAnnotation().monotonic())
            counter.dec();
    }
}
 

@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)
@Override
public ServiceTicket grantServiceTicket(
        final String ticketGrantingTicketId,
        final Service service, final AuthenticationContext context)
        throws AuthenticationException, AbstractTicketException {

    logger.debug("Attempting to get ticket id {} to create service ticket", ticketGrantingTicketId);
    final TicketGrantingTicket ticketGrantingTicket = getTicket(ticketGrantingTicketId, TicketGrantingTicket.class);
    final RegisteredService registeredService = this.servicesManager.findServiceBy(service);

    verifyRegisteredServiceProperties(registeredService, service);
    evaluatePossibilityOfMixedPrincipals(context, ticketGrantingTicket);

    if (ticketGrantingTicket.getCountOfUses() > 0 && !registeredService.getAccessStrategy().isServiceAccessAllowedForSso()) {
        logger.warn("Service [{}] is not allowed to use SSO.", service.getId());
        throw new UnauthorizedSsoServiceException();
    }

    evaluateProxiedServiceIfNeeded(service, ticketGrantingTicket, registeredService);

    // Perform security policy check by getting the authentication that satisfies the configured policy
    // This throws if no suitable policy is found
    logger.debug("Checking for authentication policy satisfaction...");
    getAuthenticationSatisfiedByPolicy(ticketGrantingTicket.getRoot(), new ServiceContext(service, registeredService));

    final List<Authentication> authentications = ticketGrantingTicket.getChainedAuthentications();
    final Principal principal = authentications.get(authentications.size() - 1).getPrincipal();

    logger.debug("Located principal {} for service ticket creation", principal);

    final RegisteredServiceAttributeReleasePolicy releasePolicy = registeredService.getAttributeReleasePolicy();
    final Map<String, Object> principalAttrs;
    if (releasePolicy != null) {
        principalAttrs = releasePolicy.getAttributes(principal);
    } else {
        principalAttrs = new HashMap<>();
    }

    if (!registeredService.getAccessStrategy().doPrincipalAttributesAllowServiceAccess(principal.getId(), principalAttrs)) {
        logger.warn("Cannot grant service ticket because Service [{}] is not authorized for use by [{}].",
                service.getId(), principal);
        throw new UnauthorizedServiceForPrincipalException();
    }

    final ServiceTicketFactory factory = this.ticketFactory.get(ServiceTicket.class);
    final ServiceTicket serviceTicket = factory.create(ticketGrantingTicket, service,
            context != null && context.isCredentialProvided());
    logger.info("Granted ticket [{}] for service [{}] and principal [{}]",
            serviceTicket.getId(), service.getId(), principal.getId());

    this.ticketRegistry.addTicket(serviceTicket);
    logger.debug("Added service ticket {} to ticket registry", serviceTicket.getId());


    doPublishEvent(new CasServiceTicketGrantedEvent(this, ticketGrantingTicket, serviceTicket));

    return serviceTicket;
}
 

@Audit(
        action = "PROXY_TICKET",
        actionResolverName = "GRANT_PROXY_TICKET_RESOLVER",
        resourceResolverName = "GRANT_PROXY_TICKET_RESOURCE_RESOLVER")
@Timed(name = "GRANT_PROXY_TICKET_TIMER")
@Metered(name = "GRANT_PROXY_TICKET_METER")
@Counted(name = "GRANT_PROXY_TICKET_COUNTER", monotonic = true)
@Override
public ProxyTicket grantProxyTicket(final String proxyGrantingTicket, final Service service)
        throws AbstractTicketException {

    final ProxyGrantingTicket proxyGrantingTicketObject = getTicket(proxyGrantingTicket, ProxyGrantingTicket.class);
    final RegisteredService registeredService = this.servicesManager.findServiceBy(service);

    verifyRegisteredServiceProperties(registeredService, service);

    if (!registeredService.getAccessStrategy().isServiceAccessAllowedForSso()) {
        logger.warn("Service [{}] is not allowed to use SSO.", service.getId());
        throw new UnauthorizedSsoServiceException();
    }

    evaluateProxiedServiceIfNeeded(service, proxyGrantingTicketObject, registeredService);

    // Perform security policy check by getting the authentication that satisfies the configured policy
    // This throws if no suitable policy is found
    getAuthenticationSatisfiedByPolicy(proxyGrantingTicketObject.getRoot(), new ServiceContext(service, registeredService));

    final List<Authentication> authentications = proxyGrantingTicketObject.getChainedAuthentications();
    final Principal principal = authentications.get(authentications.size() - 1).getPrincipal();

    final RegisteredServiceAttributeReleasePolicy releasePolicy = registeredService.getAttributeReleasePolicy();
    final Map<String, Object> principalAttrs;
    if (releasePolicy != null) {
        principalAttrs = releasePolicy.getAttributes(principal);
    } else {
        principalAttrs = new HashMap<>();
    }

    if (!registeredService.getAccessStrategy().doPrincipalAttributesAllowServiceAccess(principal.getId(), principalAttrs)) {
        logger.warn("Cannot grant proxy ticket because Service [{}] is not authorized for use by [{}].",
                service.getId(), principal);
        throw new UnauthorizedServiceForPrincipalException();
    }

    final ProxyTicketFactory factory = this.ticketFactory.get(ProxyTicket.class);
    final ProxyTicket proxyTicket = factory.create(proxyGrantingTicketObject, service);
    this.ticketRegistry.addTicket(proxyTicket);

    logger.info("Granted ticket [{}] for service [{}] for user [{}]",
            proxyTicket.getId(), service.getId(), principal.getId());

    doPublishEvent(new CasProxyTicketGrantedEvent(this, proxyGrantingTicketObject, proxyTicket));
    return proxyTicket;
}
 

@Audit(
        action = "SERVICE_TICKET_VALIDATE",
        actionResolverName = "VALIDATE_SERVICE_TICKET_RESOLVER",
        resourceResolverName = "VALIDATE_SERVICE_TICKET_RESOURCE_RESOLVER")
@Timed(name = "VALIDATE_SERVICE_TICKET_TIMER")
@Metered(name = "VALIDATE_SERVICE_TICKET_METER")
@Counted(name = "VALIDATE_SERVICE_TICKET_COUNTER", monotonic = true)
@Override
public Assertion validateServiceTicket(final String serviceTicketId, final Service service) throws AbstractTicketException {
    final RegisteredService registeredService = this.servicesManager.findServiceBy(service);
    verifyRegisteredServiceProperties(registeredService, service);

    final ServiceTicket serviceTicket = this.ticketRegistry.getTicket(serviceTicketId, ServiceTicket.class);

    if (serviceTicket == null) {
        logger.info("Service ticket [{}] does not exist.", serviceTicketId);
        throw new InvalidTicketException(serviceTicketId);
    }

    try {
        synchronized (serviceTicket) {
            if (serviceTicket.isExpired()) {
                logger.info("ServiceTicket [{}] has expired.", serviceTicketId);
                throw new InvalidTicketException(serviceTicketId);
            }

            if (!serviceTicket.isValidFor(service)) {
                logger.error("Service ticket [{}] with service [{}] does not match supplied service [{}]",
                        serviceTicketId, serviceTicket.getService().getId(), service);
                throw new UnrecognizableServiceForServiceTicketValidationException(serviceTicket.getService());
            }
        }

        final TicketGrantingTicket root = serviceTicket.getGrantingTicket().getRoot();
        final Authentication authentication = getAuthenticationSatisfiedByPolicy(
                root, new ServiceContext(serviceTicket.getService(), registeredService));
        final Principal principal = authentication.getPrincipal();

        final RegisteredServiceAttributeReleasePolicy attributePolicy = registeredService.getAttributeReleasePolicy();
        logger.debug("Attribute policy [{}] is associated with service [{}]", attributePolicy, registeredService);

        @SuppressWarnings("unchecked")
        final Map<String, Object> attributesToRelease = attributePolicy != null
                ? attributePolicy.getAttributes(principal) : Collections.EMPTY_MAP;

        final String principalId = registeredService.getUsernameAttributeProvider().resolveUsername(principal, service);
        final Principal modifiedPrincipal = this.principalFactory.createPrincipal(principalId, attributesToRelease);
        final AuthenticationBuilder builder = DefaultAuthenticationBuilder.newInstance(authentication);
        builder.setPrincipal(modifiedPrincipal);

        final Assertion assertion = new ImmutableAssertion(
                builder.build(),
                serviceTicket.getGrantingTicket().getChainedAuthentications(),
                serviceTicket.getService(),
                serviceTicket.isFromNewLogin());

        doPublishEvent(new CasServiceTicketValidatedEvent(this, serviceTicket, assertion));

        return assertion;

    } finally {
        if (serviceTicket.isExpired()) {
            this.ticketRegistry.deleteTicket(serviceTicketId);
        }
    }
}