package org.apereo.cas.web.flow.resolver.impl.mfa;
import org.apache.commons.lang3.StringUtils;
import org.apereo.cas.CentralAuthenticationService;
import org.apereo.cas.authentication.Authentication;
import org.apereo.cas.authentication.AuthenticationServiceSelectionPlan;
import org.apereo.cas.authentication.AuthenticationSystemSupport;
import org.apereo.cas.authentication.principal.Principal;
import org.apereo.cas.services.MultifactorAuthenticationProvider;
import org.apereo.cas.services.MultifactorAuthenticationProviderSelector;
import org.apereo.cas.services.RegisteredService;
import org.apereo.cas.services.RegisteredServiceMultifactorPolicy;
import org.apereo.cas.services.ServicesManager;
import org.apereo.cas.ticket.registry.TicketRegistrySupport;
import org.apereo.cas.web.flow.authentication.BaseMultifactorAuthenticationProviderEventResolver;
import org.apereo.cas.web.support.WebUtils;
import org.apereo.inspektr.audit.annotation.Audit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.util.CookieGenerator;
import org.springframework.webflow.execution.Event;
import org.springframework.webflow.execution.RequestContext;
import java.util.Collection;
import java.util.Set;
import java.util.regex.Pattern;
/**
* This is {@link RegisteredServicePrincipalAttributeMultifactorAuthenticationPolicyEventResolver}
* that attempts to locate the given principal attribute in the service authentication policy
* and match it against the pattern provided in the same policy.
*
* @author Misagh Moayyed
* @since 5.0.0
*/
public class RegisteredServicePrincipalAttributeMultifactorAuthenticationPolicyEventResolver extends BaseMultifactorAuthenticationProviderEventResolver {
private static final Logger LOGGER = LoggerFactory.getLogger(RegisteredServicePrincipalAttributeMultifactorAuthenticationPolicyEventResolver.class);
public RegisteredServicePrincipalAttributeMultifactorAuthenticationPolicyEventResolver(
final AuthenticationSystemSupport authenticationSystemSupport,
final CentralAuthenticationService centralAuthenticationService,
final ServicesManager servicesManager,
final TicketRegistrySupport ticketRegistrySupport,
final CookieGenerator warnCookieGenerator,
final AuthenticationServiceSelectionPlan authenticationSelectionStrategies,
final MultifactorAuthenticationProviderSelector selector) {
super(authenticationSystemSupport, centralAuthenticationService, servicesManager, ticketRegistrySupport, warnCookieGenerator,
authenticationSelectionStrategies, selector);
}
@Override
public Set<Event> resolveInternal(final RequestContext context) {
final RegisteredService service = resolveRegisteredServiceInRequestContext(context);
final Authentication authentication = WebUtils.getAuthentication(context);
final RegisteredServiceMultifactorPolicy policy = service != null ? service.getMultifactorPolicy() : null;
if (policy == null || service.getMultifactorPolicy().getMultifactorAuthenticationProviders().isEmpty()) {
LOGGER.debug("Authentication policy is absent or does not contain any multifactor authentication providers");
return null;
}
if (StringUtils.isBlank(policy.getPrincipalAttributeNameTrigger())
|| StringUtils.isBlank(policy.getPrincipalAttributeValueToMatch())) {
LOGGER.debug("Authentication policy does not define a principal attribute and/or value to trigger multifactor authentication");
return null;
}
final Principal principal = authentication.getPrincipal();
final Collection<MultifactorAuthenticationProvider> providers = flattenProviders(getAuthenticationProviderForService(service));
return resolveEventViaPrincipalAttribute(principal,
org.springframework.util.StringUtils.commaDelimitedListToSet(policy.getPrincipalAttributeNameTrigger()),
service, context, providers, Pattern.compile(policy.getPrincipalAttributeValueToMatch()).asPredicate());
}
@Audit(action = "AUTHENTICATION_EVENT", actionResolverName = "AUTHENTICATION_EVENT_ACTION_RESOLVER",
resourceResolverName = "AUTHENTICATION_EVENT_RESOURCE_RESOLVER")
@Override
public Event resolveSingle(final RequestContext context) {
return super.resolveSingle(context);
}
}