diff options
Diffstat (limited to 'modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/EidasProxyServiceController.java')
-rw-r--r-- | modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/EidasProxyServiceController.java | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/EidasProxyServiceController.java b/modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/EidasProxyServiceController.java new file mode 100644 index 00000000..26cc51ee --- /dev/null +++ b/modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/EidasProxyServiceController.java @@ -0,0 +1,464 @@ +package at.asitplus.eidas.specific.modules.msproxyservice.protocol; + +import java.io.IOException; +import java.text.MessageFormat; +import java.util.Collection; +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; +import java.util.Objects; +import java.util.UUID; +import java.util.stream.Collectors; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.commons.lang.StringEscapeUtils; +import org.apache.commons.lang3.StringUtils; +import org.opensaml.saml.saml2.core.NameIDType; +import org.opensaml.saml.saml2.core.StatusCode; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Controller; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RequestMethod; + +import com.google.common.collect.ImmutableSortedSet; +import com.google.common.collect.Streams; + +import at.asitplus.eidas.specific.core.MsEidasNodeConstants; +import at.asitplus.eidas.specific.core.config.ServiceProviderConfiguration; +import at.asitplus.eidas.specific.modules.core.eidas.EidasConstants; +import at.asitplus.eidas.specific.modules.msproxyservice.MsProxyServiceConstants; +import at.asitplus.eidas.specific.modules.msproxyservice.exception.EidasProxyServiceException; +import at.asitplus.eidas.specific.modules.msproxyservice.service.ProxyEidasAttributeRegistry; +import at.asitplus.eidas.specific.modules.msproxyservice.utils.EidasProxyServiceUtils; +import at.gv.egiz.components.eventlog.api.EventConstants; +import at.gv.egiz.eaaf.core.api.IRequest; +import at.gv.egiz.eaaf.core.api.data.EaafConfigConstants; +import at.gv.egiz.eaaf.core.api.data.EaafConstants; +import at.gv.egiz.eaaf.core.api.data.ExtendedPvpAttributeDefinitions.SpMandateModes; +import at.gv.egiz.eaaf.core.api.idp.IModulInfo; +import at.gv.egiz.eaaf.core.api.idp.ISpConfiguration; +import at.gv.egiz.eaaf.core.exceptions.EaafException; +import at.gv.egiz.eaaf.core.exceptions.GuiBuildException; +import at.gv.egiz.eaaf.core.impl.idp.controller.AbstractController; +import at.gv.egiz.eaaf.core.impl.utils.KeyValueUtils; +import eu.eidas.auth.commons.EIDASSubStatusCode; +import eu.eidas.auth.commons.EidasParameterKeys; +import eu.eidas.auth.commons.light.ILightRequest; +import eu.eidas.auth.commons.light.impl.LightResponse; +import eu.eidas.auth.commons.light.impl.LightResponse.Builder; +import eu.eidas.auth.commons.light.impl.ResponseStatus; +import eu.eidas.specificcommunication.SpecificCommunicationDefinitionBeanNames; +import eu.eidas.specificcommunication.exception.SpecificCommunicationException; +import eu.eidas.specificcommunication.protocol.SpecificCommunicationService; +import lombok.extern.slf4j.Slf4j; + +/** + * End-point implementation for authentication requests from eIDAS Proxy-Service + * to MS-specific eIDAS Proxy-Service. + * + * @author tlenz + * + */ +@Slf4j +@Controller +public class EidasProxyServiceController extends AbstractController implements IModulInfo { + + private static final String ERROR_01 = "eidas.proxyservice.01"; + private static final String ERROR_02 = "eidas.proxyservice.02"; + private static final String ERROR_03 = "eidas.proxyservice.03"; + private static final String ERROR_04 = "eidas.proxyservice.04"; + private static final String ERROR_05 = "eidas.proxyservice.05"; + private static final String ERROR_07 = "eidas.proxyservice.07"; + private static final String ERROR_08 = "eidas.proxyservice.08"; + private static final String ERROR_09 = "eidas.proxyservice.09"; + private static final String ERROR_10 = "eidas.proxyservice.10"; + private static final String ERROR_11 = "eidas.proxyservice.11"; + + public static final String PROTOCOL_ID = "eidasProxy"; + + @Autowired ProxyEidasAttributeRegistry attrRegistry; + @Autowired ProxyServiceAuthenticationAction responseAction; + + /** + * End-point that receives authentication requests from eIDAS Node. + * + * @param httpReq Http request + * @param httpResp Http response + * @throws IOException In case of general error + * @throws EaafException In case of a validation or processing error + */ + @RequestMapping(value = { + MsProxyServiceConstants.EIDAS_HTTP_ENDPOINT_IDP_POST, + MsProxyServiceConstants.EIDAS_HTTP_ENDPOINT_IDP_REDIRECT + }, + method = { RequestMethod.POST, RequestMethod.GET }) + public void receiveEidasAuthnRequest(HttpServletRequest httpReq, HttpServletResponse httpResp) + throws IOException, + EaafException { + log.trace("Receive request on eidas proxy-service end-points"); + ProxyServicePendingRequest pendingReq = null; + try { + // get token from Request + final String tokenBase64 = httpReq.getParameter(EidasParameterKeys.TOKEN.toString()); + if (StringUtils.isEmpty(tokenBase64)) { + log.warn("NO eIDAS message token found."); + throw new EidasProxyServiceException(ERROR_02, null); + + } + log.trace("Receive eIDAS-node token: {}. Searching authentication request from eIDAS Proxy-Service ...", + tokenBase64); + + // read authentication request from shared cache + final SpecificCommunicationService specificProxyCommunicationService = + (SpecificCommunicationService) applicationContext.getBean( + SpecificCommunicationDefinitionBeanNames.SPECIFIC_PROXYSERVICE_COMMUNICATION_SERVICE + .toString()); + final ILightRequest eidasRequest = specificProxyCommunicationService.getAndRemoveRequest( + tokenBase64, + ImmutableSortedSet.copyOf(attrRegistry.getCoreRegistry().getCoreAttributeRegistry().getAttributes())); + if (eidasRequest == null) { + log.info("Find no eIDAS Authn. Request with stated token."); + throw new EidasProxyServiceException(ERROR_11, null); + + } + + log.debug("Received eIDAS auth. request from: {}, Initializing authentication environment ... ", + eidasRequest.getSpCountryCode() != null ? eidasRequest.getSpCountryCode() : "'missing SP-country'"); + log.trace("Received eIDAS requst: {}", eidasRequest); + + // create pendingRequest object + pendingReq = applicationContext.getBean(ProxyServicePendingRequest.class); + pendingReq.initialize(httpReq, authConfig); + pendingReq.setModule(getName()); + + // log 'transaction created' event + revisionsLogger.logEvent(EventConstants.TRANSACTION_CREATED, + pendingReq.getUniqueTransactionIdentifier()); + revisionsLogger.logEvent(pendingReq.getUniqueSessionIdentifier(), + pendingReq.getUniqueTransactionIdentifier(), EventConstants.TRANSACTION_IP, + httpReq.getRemoteAddr()); + + // validate eIDAS Authn. request and set into pending-request + validateEidasAuthnRequest(eidasRequest); + pendingReq.setEidasRequest(eidasRequest); + + // generate Service-Provider configuration from eIDAS request + final ISpConfiguration spConfig = generateSpConfigurationFromEidasRequest(eidasRequest); + + // validate eIDAS Authn. request by using eIDAS Connector specifc parameters + validateEidasAuthnRequest(spConfig, eidasRequest); + + // populate pendingRequest with parameters + pendingReq.setOnlineApplicationConfiguration(spConfig); + pendingReq.setSpEntityId(spConfig.getUniqueIdentifier()); + pendingReq.setPassiv(false); + pendingReq.setForce(true); + + // AuthnRequest needs authentication + pendingReq.setNeedAuthentication(true); + + // set protocol action, which should be executed after authentication + pendingReq.setAction(ProxyServiceAuthenticationAction.class.getName()); + + // switch to session authentication + protAuthService.performAuthentication(httpReq, httpResp, pendingReq); + + } catch (final EidasProxyServiceException e) { + throw e; + + } catch (final SpecificCommunicationException e) { + log.error("Can not read eIDAS Authn request from shared cache. Reason: {}", e.getMessage()); + throw new EidasProxyServiceException(ERROR_03, new Object[] { e.getMessage() }, e); + + } catch (final Throwable e) { + // write revision log entries + if (pendingReq != null) { + revisionsLogger.logEvent(pendingReq, EventConstants.TRANSACTION_ERROR, + pendingReq.getUniqueTransactionIdentifier()); + } + + throw new EidasProxyServiceException(ERROR_01, new Object[] { e.getMessage() }, e); + } + + } + + @Override + public boolean generateErrorMessage(Throwable e, HttpServletRequest httpReq, HttpServletResponse httpResp, + IRequest pendingReq) throws Throwable { + if (pendingReq instanceof ProxyServicePendingRequest) { + try { + ILightRequest eidasReq = ((ProxyServicePendingRequest) pendingReq).getEidasRequest(); + + //build eIDAS response + Builder lightRespBuilder = LightResponse.builder(); + lightRespBuilder.id(UUID.randomUUID().toString()); + lightRespBuilder.inResponseToId(eidasReq.getId()); + lightRespBuilder.relayState(eidasReq.getRelayState()); + lightRespBuilder.issuer(authConfig.getBasicConfiguration( + MsProxyServiceConstants.CONIG_PROPS_EIDAS_PROXY_NODE_ENTITYID)); + lightRespBuilder.subject(UUID.randomUUID().toString()); + lightRespBuilder.subjectNameIdFormat(NameIDType.TRANSIENT); + lightRespBuilder.status(ResponseStatus.builder() + .statusCode(StatusCode.RESPONDER) + .subStatusCode(EIDASSubStatusCode.AUTHN_FAILED_URI.getValue()) + .statusMessage(StringEscapeUtils.escapeXml(e.getLocalizedMessage())) + .build()); + + // forward to eIDAS Proxy-Service + responseAction.forwardToEidasProxy(pendingReq, httpReq, httpResp, lightRespBuilder.build()); + + return true; + + } catch (ServletException | IOException | GuiBuildException e1) { + log.warn("Forward error to eIDAS Proxy-Service FAILED. Handle error localy ... ", e1); + + } + + } else { + log.error("eIDAS Proxy-Service authentication requires PendingRequest of Type: {}", + ProxyServicePendingRequest.class.getName()); + + } + + return false; + + } + + @Override + public String getName() { + return EidasProxyServiceController.class.getName(); + + } + + @Override + public String getAuthProtocolIdentifier() { + return PROTOCOL_ID; + + } + + @Override + public boolean validate(HttpServletRequest request, HttpServletResponse response, IRequest pending) { + return true; + + } + + /** + * Generic validation of incoming eIDAS request. + * + * @param eidasRequest Incoming eIDAS authentication request + * @throws EidasProxyServiceException In case of a validation error + */ + private void validateEidasAuthnRequest(ILightRequest eidasRequest) throws EidasProxyServiceException { + if (StringUtils.isEmpty(eidasRequest.getIssuer())) { + throw new EidasProxyServiceException(ERROR_05, null); + + } + + // TODO: validate some other stuff + + } + + /** + * eIDAS Connector specific validation of incoming eIDAS request. + * + * @param eidasRequest Incoming eIDAS authentication request + * @param spConfig eIDAS Connector configuration + * @throws EidasProxyServiceException In case of a validation error + */ + private void validateEidasAuthnRequest(ISpConfiguration spConfig, ILightRequest eidasRequest) + throws EidasProxyServiceException { + // check if natural-person and legal-person attributes requested in parallel + if (spConfig.isConfigurationValue(MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_VALIDATION_ATTR_MDS, true) + && EidasProxyServiceUtils.isLegalPersonRequested(eidasRequest) + && EidasProxyServiceUtils.isNaturalPersonRequested(eidasRequest)) { + throw new EidasProxyServiceException(ERROR_08, null); + + } + + // TODO: validate some other stuff + + } + + /** + * Generate a dummy Service-Provider configuration for processing. + * + * @param eidasRequest Incoming eIDAS authentication request + * @return Service-Provider configuration that can be used for authentication + * @throws EidasProxyServiceException In case of a configuration error + */ + private ISpConfiguration generateSpConfigurationFromEidasRequest(ILightRequest eidasRequest) + throws EidasProxyServiceException { + try { + + Map<String, String> connectorConfigMap = extractRawConnectorConfiguration(eidasRequest); + + // check if country-code is available + String spCountry = connectorConfigMap.get(MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_COUNTRYCODE); + if (StringUtils.isEmpty(spCountry)) { + throw new EidasProxyServiceException(ERROR_07, null); + + } + + // build FriendyName from CountryCode and SPType + connectorConfigMap.put(MsEidasNodeConstants.PROP_CONFIG_SP_FRIENDLYNAME, + MessageFormat.format(MsProxyServiceConstants.TEMPLATE_SP_UNIQUE_ID, + spCountry, eidasRequest.getSpType())); + + // build Service-Provider configuration object + final ServiceProviderConfiguration spConfig = new ServiceProviderConfiguration(connectorConfigMap, authConfig); + + // build bPK target from Country-Code + final String ccCountry = authConfig.getBasicConfiguration(EidasConstants.CONIG_PROPS_EIDAS_NODE_COUNTRYCODE, + EidasConstants.DEFAULT_MS_NODE_COUNTRY_CODE); + spConfig.setBpkTargetIdentifier( + EaafConstants.URN_PREFIX_EIDAS + ccCountry + "+" + spCountry); + + // set required LoA from eIDAS request + spConfig.setRequiredLoA( + eidasRequest.getLevelsOfAssurance().stream().map(el -> el.getValue()).collect(Collectors.toList())); + + // build mandate profiles for this specific request + buildMandateProfileConfiguration(spConfig, eidasRequest); + + // map eIDAS attributes to national attributes + buildNationalRequestedAttributes(spConfig, eidasRequest); + + return spConfig; + + } catch (EidasProxyServiceException e) { + throw e; + + } catch (final EaafException e) { + throw new EidasProxyServiceException(ERROR_04, new Object[] { e.getMessage() }, e); + + } + } + + + private void buildNationalRequestedAttributes( + ServiceProviderConfiguration spConfig, ILightRequest eidasRequest) { + boolean mandatesEnabled = !SpMandateModes.NONE.equals(spConfig.getMandateMode()); + spConfig.setRequestedAttributes( + Streams.concat( + eidasRequest.getRequestedAttributes().getAttributeMap().keySet().stream() + .map(el -> attrRegistry.getIdaAttributesForEidasAttribute( + el.getNameUri().toString(), mandatesEnabled)) + .flatMap(Collection::stream) + .filter(Objects::nonNull), + attrRegistry.getAlwaysRequestedAttributes(mandatesEnabled)) + .collect(Collectors.toSet())); + log.debug("Inject #{} attributes to request from IDA system", spConfig.getRequestedAttributes().size()); + + } + + private Map<String, String> extractRawConnectorConfiguration(ILightRequest eidasRequest) { + Map<String, String> allConnectorConfigs = authConfig.getBasicConfigurationWithPrefix( + MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_PREFIX); + if (log.isTraceEnabled()) { + log.trace("Full-connector configuration:"); + allConnectorConfigs.entrySet().stream().forEach( + el -> log.trace("Key: {} -> Value: {}", el.getKey(), el.getValue())); + + } + + Map<String, String> connectorConfig = allConnectorConfigs.entrySet().stream() + .filter(el -> el.getKey().endsWith(MsEidasNodeConstants.PROP_CONFIG_SP_UNIQUEIDENTIFIER) + && el.getValue().equals(eidasRequest.getIssuer())) + .findFirst() + .map(el -> KeyValueUtils.getSubSetWithPrefix(allConnectorConfigs, + KeyValueUtils.getParentKey(el.getKey()) + KeyValueUtils.KEY_DELIMITER)) + .orElse(new HashMap<>()); + + + if (connectorConfig.isEmpty()) { + log.debug("No specific configuration for eIDAS Connector: {} Using default configuration ... ", + eidasRequest.getIssuer()); + + // set EntityId of the requesting eIDAS Connector + connectorConfig.put(EaafConfigConstants.SERVICE_UNIQUEIDENTIFIER, eidasRequest.getIssuer()); + + // set country-code from eIDAS request + connectorConfig.put(MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_COUNTRYCODE, + eidasRequest.getSpCountryCode()); + + // set default mandate configuration + connectorConfig.put(MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_MANDATES_ENABLED, + String.valueOf(authConfig.getBasicConfigurationBoolean( + MsProxyServiceConstants.CONIG_PROPS_EIDAS_PROXY_MANDATES_ENABLED, false))); + connectorConfig.put(MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_MANDATES_PROFILE_NATURAL, + authConfig.getBasicConfiguration( + MsProxyServiceConstants.CONIG_PROPS_EIDAS_PROXY_MANDATES_PROFILE_DEFAULT_NATURAL)); + connectorConfig.put(MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_MANDATES_PROFILE_LEGAL, + authConfig.getBasicConfiguration( + MsProxyServiceConstants.CONIG_PROPS_EIDAS_PROXY_MANDATES_PROFILE_DEFAULT_LEGAL)); + + } else { + log.debug("Find specific configuration for eIDAS Connector: {}", eidasRequest.getIssuer()); + + } + + return connectorConfig; + + } + + + private void buildMandateProfileConfiguration(ServiceProviderConfiguration spConfig, ILightRequest eidasRequest) + throws EidasProxyServiceException { + // check if mandates are enabled + if (spConfig.isConfigurationValue(MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_MANDATES_ENABLED, false)) { + injectMandateInfosIntoSpConfig(spConfig, eidasRequest); + + } else { + if (EidasProxyServiceUtils.isLegalPersonRequested(eidasRequest)) { + throw new EidasProxyServiceException(ERROR_09, null); + + } + + spConfig.setMandateProfiles(Collections.emptyList()); + spConfig.setMandateMode(SpMandateModes.NONE); + + } + + } + + private void injectMandateInfosIntoSpConfig(ServiceProviderConfiguration spConfig, + ILightRequest eidasRequest) throws EidasProxyServiceException { + log.trace("eIDAS Proxy-Service allows mandates for Connector: {}. Selecting profiles ... ", + spConfig.getUniqueIdentifier()); + + //check if legal person is requested + if (EidasProxyServiceUtils.isLegalPersonRequested(eidasRequest)) { + spConfig.setMandateProfiles(KeyValueUtils.getListOfCsvValues( + spConfig.getConfigurationValue(MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_MANDATES_PROFILE_LEGAL))); + spConfig.setMandateMode(SpMandateModes.LEGAL_FORCE); + + if (spConfig.getMandateProfiles().isEmpty()) { + throw new EidasProxyServiceException(ERROR_10, null); + + } + + } else if (EidasProxyServiceUtils.isNaturalPersonRequested(eidasRequest)) { + spConfig.setMandateProfiles(KeyValueUtils.getListOfCsvValues( + spConfig.getConfigurationValue(MsProxyServiceConstants.CONIG_PROPS_CONNECTOR_MANDATES_PROFILE_NATURAL))); + + spConfig.setMandateMode(SpMandateModes.NATURAL); + + } + + + if (spConfig.getMandateProfiles().isEmpty()) { + log.debug("No mandate-profiles for issure: {}. Set mandate-mode to 'none'", + spConfig.getUniqueIdentifier()); + spConfig.setMandateMode(SpMandateModes.NONE); + + } else { + log.debug("Set mandate-profiles: {} to request from issuer: {}", + spConfig.getMandateProfiles(), spConfig.getUniqueIdentifier()); + + } + + } +} |