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package org.apereo.cas.oidc.web.flow; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apereo.cas.CentralAuthenticationService; |
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import org.apereo.cas.authentication.Authentication; |
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import org.apereo.cas.authentication.AuthenticationException; |
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import org.apereo.cas.authentication.AuthenticationServiceSelectionPlan; |
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import org.apereo.cas.authentication.AuthenticationSystemSupport; |
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import org.apereo.cas.authentication.MultifactorAuthenticationUtils; |
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import org.apereo.cas.services.MultifactorAuthenticationProvider; |
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import org.apereo.cas.services.MultifactorAuthenticationProviderSelector; |
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import org.apereo.cas.services.RegisteredService; |
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import org.apereo.cas.services.ServicesManager; |
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import org.apereo.cas.support.oauth.OAuth20Constants; |
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import org.apereo.cas.ticket.registry.TicketRegistrySupport; |
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import org.apereo.cas.util.CollectionUtils; |
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import org.apereo.cas.web.flow.authentication.BaseMultifactorAuthenticationProviderEventResolver; |
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import org.apereo.cas.web.support.WebUtils; |
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import org.jasig.cas.client.util.URIBuilder; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.springframework.web.util.CookieGenerator; |
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import org.springframework.webflow.execution.Event; |
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import org.springframework.webflow.execution.RequestContext; |
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import javax.servlet.http.HttpServletRequest; |
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import java.util.Collection; |
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import java.util.Map; |
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import java.util.Optional; |
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import java.util.Set; |
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/** |
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* This is {@link OidcAuthenticationContextWebflowEventEventResolver}. |
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* |
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* @author Misagh Moayyed |
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* @since 5.0.0 |
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*/ |
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public class OidcAuthenticationContextWebflowEventEventResolver extends BaseMultifactorAuthenticationProviderEventResolver { |
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private static final Logger LOGGER = LoggerFactory.getLogger(OidcAuthenticationContextWebflowEventEventResolver.class); |
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public OidcAuthenticationContextWebflowEventEventResolver(final AuthenticationSystemSupport authenticationSystemSupport, |
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final CentralAuthenticationService centralAuthenticationService, |
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final ServicesManager servicesManager, |
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final TicketRegistrySupport ticketRegistrySupport, |
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final CookieGenerator warnCookieGenerator, |
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final AuthenticationServiceSelectionPlan authenticationSelectionStrategies, |
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final MultifactorAuthenticationProviderSelector selector) { |
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super(authenticationSystemSupport, centralAuthenticationService, servicesManager, |
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ticketRegistrySupport, warnCookieGenerator, |
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authenticationSelectionStrategies, selector); |
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} |
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@Override |
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public Set<Event> resolveInternal(final RequestContext context) { |
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final RegisteredService service = resolveRegisteredServiceInRequestContext(context); |
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final Authentication authentication = WebUtils.getAuthentication(context); |
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final HttpServletRequest request = WebUtils.getHttpServletRequestFromExternalWebflowContext(context); |
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if (service == null || authentication == null) { |
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LOGGER.debug("No service or authentication is available to determine event for principal"); |
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return null; |
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} |
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String acr = request.getParameter(OAuth20Constants.ACR_VALUES); |
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if (StringUtils.isBlank(acr)) { |
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final URIBuilder builderContext = new URIBuilder(StringUtils.trimToEmpty(context.getFlowExecutionUrl())); |
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final Optional<URIBuilder.BasicNameValuePair> parameter = builderContext.getQueryParams() |
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.stream().filter(p -> p.getName().equals(OAuth20Constants.ACR_VALUES)) |
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.findFirst(); |
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if (parameter.isPresent()) { |
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acr = parameter.get().getValue(); |
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} |
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} |
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if (StringUtils.isBlank(acr)) { |
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LOGGER.debug("No ACR provided in the authentication request"); |
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return null; |
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} |
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final Set<String> values = org.springframework.util.StringUtils.commaDelimitedListToSet(acr); |
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if (values.isEmpty()) { |
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LOGGER.debug("No ACR provided in the authentication request"); |
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return null; |
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} |
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final Map<String, MultifactorAuthenticationProvider> providerMap = |
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MultifactorAuthenticationUtils.getAvailableMultifactorAuthenticationProviders(this.applicationContext); |
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if (providerMap == null || providerMap.isEmpty()) { |
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LOGGER.error("No multifactor authentication providers are available in the application context to handle [{}]", values); |
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throw new AuthenticationException(); |
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} |
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final Collection<MultifactorAuthenticationProvider> flattenedProviders = flattenProviders(providerMap.values()); |
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final Optional<MultifactorAuthenticationProvider> provider = flattenedProviders |
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.stream() |
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.filter(v -> values.contains(v.getId())) |
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.findAny(); |
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if (provider.isPresent()) { |
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return CollectionUtils.wrapSet(new Event(this, provider.get().getId())); |
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} |
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LOGGER.warn("The requested authentication class [{}] cannot be satisfied by any of the MFA providers available", values); |
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throw new AuthenticationException(); |
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} |
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} |
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apereo /
cas
