diff options
Diffstat (limited to 'modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/ProxyServiceAuthenticationAction.java')
-rw-r--r-- | modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/ProxyServiceAuthenticationAction.java | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/ProxyServiceAuthenticationAction.java b/modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/ProxyServiceAuthenticationAction.java new file mode 100644 index 00000000..bf1c5e5f --- /dev/null +++ b/modules/eidas_proxy-sevice/src/main/java/at/asitplus/eidas/specific/modules/msproxyservice/protocol/ProxyServiceAuthenticationAction.java @@ -0,0 +1,351 @@ +package at.asitplus.eidas.specific.modules.msproxyservice.protocol; + +import java.io.IOException; +import java.util.Optional; +import java.util.UUID; + +import javax.annotation.PostConstruct; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.commons.lang3.StringUtils; +import org.opensaml.saml.saml2.core.NameIDType; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.context.ApplicationContext; +import org.springframework.core.io.ResourceLoader; +import org.springframework.web.util.UriComponentsBuilder; + +import at.asitplus.eidas.specific.core.gui.StaticGuiBuilderConfiguration; +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.eaaf.core.api.IRequest; +import at.gv.egiz.eaaf.core.api.data.PvpAttributeDefinitions; +import at.gv.egiz.eaaf.core.api.gui.ISpringMvcGuiFormBuilder; +import at.gv.egiz.eaaf.core.api.idp.IAction; +import at.gv.egiz.eaaf.core.api.idp.IAuthData; +import at.gv.egiz.eaaf.core.api.idp.IConfiguration; +import at.gv.egiz.eaaf.core.api.idp.IEidAuthData; +import at.gv.egiz.eaaf.core.api.idp.slo.SloInformationInterface; +import at.gv.egiz.eaaf.core.exceptions.EaafConfigurationException; +import at.gv.egiz.eaaf.core.exceptions.EaafException; +import at.gv.egiz.eaaf.core.exceptions.GuiBuildException; +import at.gv.egiz.eaaf.core.impl.data.SloInformationImpl; +import eu.eidas.auth.commons.EidasParameterKeys; +import eu.eidas.auth.commons.attribute.AttributeDefinition; +import eu.eidas.auth.commons.attribute.ImmutableAttributeMap; +import eu.eidas.auth.commons.light.ILightRequest; +import eu.eidas.auth.commons.light.ILightResponse; +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.auth.commons.tx.BinaryLightToken; +import eu.eidas.specificcommunication.BinaryLightTokenHelper; +import eu.eidas.specificcommunication.SpecificCommunicationDefinitionBeanNames; +import eu.eidas.specificcommunication.exception.SpecificCommunicationException; +import eu.eidas.specificcommunication.protocol.SpecificCommunicationService; +import lombok.extern.slf4j.Slf4j; + +/** + * Result action of a successfully performed eIDAS Proxy-Service authentication. + * + * @author tlenz + * + */ +@Slf4j +public class ProxyServiceAuthenticationAction implements IAction { + + private static final String PROXYSERVICE_AUTH_ACTION_NAME = "MS-specific eIDAS-Proxy action"; + + @Autowired + ApplicationContext context; + @Autowired + IConfiguration basicConfig; + @Autowired + ResourceLoader resourceLoader; + @Autowired + ISpringMvcGuiFormBuilder guiBuilder; + @Autowired + ProxyEidasAttributeRegistry attrRegistry; + + @Override + public SloInformationInterface processRequest(IRequest pendingReq, HttpServletRequest httpReq, + HttpServletResponse httpResp, IAuthData authData) throws EaafException { + if (pendingReq instanceof ProxyServicePendingRequest) { + try { + final ILightRequest eidasReq = ((ProxyServicePendingRequest) pendingReq).getEidasRequest(); + + // build eIDAS response + final Builder lightRespBuilder = LightResponse.builder(); + lightRespBuilder.id(UUID.randomUUID().toString()); + lightRespBuilder.inResponseToId(eidasReq.getId()); + lightRespBuilder.relayState(eidasReq.getRelayState()); + + lightRespBuilder.status(ResponseStatus.builder() + .statusCode(EidasConstants.SUCCESS_URI) + .build()); + + // TODO: check if we can use transient subjectNameIds + lightRespBuilder.subject(UUID.randomUUID().toString()); + lightRespBuilder.subjectNameIdFormat(NameIDType.TRANSIENT); + + // TODO: + lightRespBuilder.issuer(basicConfig.getBasicConfiguration( + MsProxyServiceConstants.CONIG_PROPS_EIDAS_PROXY_NODE_ENTITYID)); + lightRespBuilder.levelOfAssurance(authData.getEidasQaaLevel()); + lightRespBuilder.attributes(buildAttributesFromAuthData(authData, eidasReq)); + + // set SLO response object of EAAF framework + final SloInformationImpl sloInformation = new SloInformationImpl(); + sloInformation.setProtocolType(pendingReq.requestedModule()); + sloInformation + .setSpEntityID(pendingReq.getServiceProviderConfiguration().getUniqueIdentifier()); + + // forward to eIDAS Proxy-Service + forwardToEidasProxy(pendingReq, httpReq, httpResp, lightRespBuilder.build()); + + return sloInformation; + + } catch (ServletException | IOException | GuiBuildException e) { + throw new EidasProxyServiceException("eidas.proxyservice.06", null, e); + + } + + } else { + log.error("eIDAS Proxy-Service authentication requires PendingRequest of Type: {}", + ProxyServicePendingRequest.class.getName()); + throw new EaafException("eidas.proxyservice.99"); + + } + } + + @Override + public boolean needAuthentication(IRequest req, HttpServletRequest httpReq, HttpServletResponse httpResp) { + return true; + + } + + @Override + public String getDefaultActionName() { + return PROXYSERVICE_AUTH_ACTION_NAME; + + } + + /** + * Forward eIDAS Light response to eIDAS node. + * + * @param pendingReq Current pending request. + * @param httpReq Current HTTP request + * @param httpResp Current HTTP response + * @param lightResponse eIDAS LightResponse + * @throws EaafConfigurationException In case of a configuration error + * @throws IOException In case of a general error + * @throws GuiBuildException In case of a GUI rendering error, if http + * POST binding is used + * @throws ServletException In case of a general error + */ + public void forwardToEidasProxy(IRequest pendingReq, HttpServletRequest httpReq, + HttpServletResponse httpResp, LightResponse lightResponse) throws EaafConfigurationException, + IOException, + GuiBuildException, ServletException { + + // put request into shared cache + final BinaryLightToken token = putResponseInCommunicationCache(lightResponse); + final String tokenBase64 = BinaryLightTokenHelper.encodeBinaryLightTokenBase64(token); + + // select forward URL regarding the selected environment + final String forwardUrl = basicConfig.getBasicConfiguration( + MsProxyServiceConstants.CONIG_PROPS_EIDAS_PROXY_NODE_FORWARD_URL); + + if (StringUtils.isEmpty(forwardUrl)) { + log.warn("NO ForwardURL defined in configuration. Can NOT forward to eIDAS node! Process stops"); + throw new EaafConfigurationException("config.08", + new Object[] { MsProxyServiceConstants.CONIG_PROPS_EIDAS_PROXY_NODE_FORWARD_URL }); + + } + log.debug("ForwardURL: " + forwardUrl + " selected to forward eIDAS request"); + + if (basicConfig.getBasicConfiguration( + EidasConstants.CONIG_PROPS_EIDAS_NODE_FORWARD_METHOD, + EidasConstants.FORWARD_METHOD_GET).equals(EidasConstants.FORWARD_METHOD_GET)) { + + log.debug("Use http-redirect for eIDAS node forwarding ... "); + // send redirect + final UriComponentsBuilder redirectUrl = UriComponentsBuilder.fromHttpUrl(forwardUrl); + redirectUrl.queryParam(EidasParameterKeys.TOKEN.toString(), tokenBase64); + httpResp.sendRedirect(redirectUrl.build().encode().toString()); + + } else { + log.debug("Use http-post for eIDAS node forwarding ... "); + final StaticGuiBuilderConfiguration config = new StaticGuiBuilderConfiguration( + basicConfig, + pendingReq, + EidasConstants.TEMPLATE_POST_FORWARD_NAME, + null, + resourceLoader); + + config.putCustomParameter(null, EidasConstants.TEMPLATE_POST_FORWARD_ENDPOINT, forwardUrl); + config.putCustomParameter(null, EidasConstants.TEMPLATE_POST_FORWARD_TOKEN_NAME, + EidasParameterKeys.TOKEN.toString()); + config.putCustomParameter(null, EidasConstants.TEMPLATE_POST_FORWARD_TOKEN_VALUE, + tokenBase64); + + guiBuilder.build(httpReq, httpResp, config, "Forward to eIDASNode form"); + + } + } + + @PostConstruct + private void checkConfiguration() { + // TODO: validate configuration on start-up + + } + + private ImmutableAttributeMap buildAttributesFromAuthData(IAuthData authData, + ILightRequest eidasReq) { + final IEidAuthData eidAuthData = (IEidAuthData) authData; + final ImmutableAttributeMap.Builder attributeMap = ImmutableAttributeMap.builder(); + + // inject all requested attributres + injectRequestedAttributes(attributeMap, eidasReq, eidAuthData); + + if (eidAuthData.isUseMandate()) { + log.debug("Building eIDAS Proxy-Service response with mandate ... "); + injectMdsRepesentativeInformation(attributeMap, eidAuthData, eidasReq.getRequestedAttributes()); + + // work-around that injects nat. person subject to bypass validation on eIDAS + // Node + injectJurPersonWorkaroundIfRequired(attributeMap, eidasReq, authData); + + } + + return attributeMap.build(); + + } + + private void injectRequestedAttributes(ImmutableAttributeMap.Builder attributeMap, ILightRequest eidasReq, + IEidAuthData eidAuthData) { + eidasReq.getRequestedAttributes().getAttributeMap().keySet().stream() + .forEach(el -> injectEidasAttribute(attributeMap, eidAuthData, + el.getNameUri().toString(), eidAuthData.isUseMandate())); + + } + + private void injectMdsRepesentativeInformation( + ImmutableAttributeMap.Builder attributeMap, IEidAuthData eidAuthData, + ImmutableAttributeMap requestedAttributes) { + attrRegistry.getRepresentativeAttributesToAddByDefault() + .filter(el -> requestedAttributes.getAttributeValuesByNameUri(el) == null) + .forEach(el -> injectEidasAttribute(attributeMap, eidAuthData, el, true)); + + } + + private void injectEidasAttribute(ImmutableAttributeMap.Builder attributeMap, IEidAuthData eidAuthData, + String eidasAttrName, boolean mandatesUsed) { + final Optional<String> releatedIdaAttribute = + attrRegistry.mapEidasAttributeToSpecificIdaAttribute(eidasAttrName, mandatesUsed); + if (releatedIdaAttribute.isPresent()) { + log.trace("Mapping IDA attribute: {} to eIDAS attribute: {}", releatedIdaAttribute.get(), + eidasAttrName); + final String idaAttrValue = eidAuthData.getGenericData(releatedIdaAttribute.get(), String.class); + if (StringUtils.isNotEmpty(idaAttrValue)) { + log.debug("Build eIDAS attribute: {} from IDA attribute: {}", eidasAttrName, releatedIdaAttribute + .get()); + attributeMap.put( + attrRegistry.getCoreRegistry().getCoreAttributeRegistry().getByName(eidasAttrName), + idaAttrValue); + + } else { + log.info("No IDA attribute: {}, eIDAS attribute: {} will be ignored", releatedIdaAttribute.get(), + eidasAttrName); + + } + + } else { + log.warn("Can not build eIDAS attribute: {}, because there is not corresponding IDA attribute defined", + eidasAttrName); + + } + } + + private BinaryLightToken putResponseInCommunicationCache(ILightResponse lightResponse) + throws ServletException { + final BinaryLightToken binaryLightToken; + try { + final SpecificCommunicationService springManagedSpecificConnectorCommunicationService = + (SpecificCommunicationService) context.getBean( + SpecificCommunicationDefinitionBeanNames.SPECIFIC_PROXYSERVICE_COMMUNICATION_SERVICE + .toString()); + + binaryLightToken = springManagedSpecificConnectorCommunicationService.putResponse(lightResponse); + + } catch (final SpecificCommunicationException e) { + log.error("Unable to process specific request"); + throw new ServletException(e); + + } + + return binaryLightToken; + } + + /** + * Work-around to inject representative information as nat. person subject to + * bypass eIDAS Node validation. + * + * <p> + * <b>Injection will only be done if this work-around is enabled by + * configuration, the mandator is a legal person, and both legal and natural + * person subject's is requested.</b> + * </p> + * + * @param attributeMap Attribute set for eIDAS response + * @param eidasReq Incoming eIDAS request + * @param authData Authentication data + */ + private void injectJurPersonWorkaroundIfRequired( + ImmutableAttributeMap.Builder attributeMap, ILightRequest eidasReq, IAuthData authData) { + if (isLegalPersonWorkaroundActive() && isLegalPersonMandateAvailable(authData) + && EidasProxyServiceUtils.isNaturalPersonRequested(eidasReq) + && EidasProxyServiceUtils.isLegalPersonRequested(eidasReq)) { + log.debug( + "Injecting representative information as nat. person subject to bypass eIDAS Node validation"); + + final AttributeDefinition<?> attrDefPersonalId = + attrRegistry.getCoreRegistry().getCoreAttributeRegistry().getByFriendlyName( + EidasConstants.eIDAS_ATTR_PERSONALIDENTIFIER).first(); + final AttributeDefinition<?> attrDefFamilyName = + attrRegistry.getCoreRegistry().getCoreAttributeRegistry().getByFriendlyName( + EidasConstants.eIDAS_ATTR_CURRENTFAMILYNAME).first(); + final AttributeDefinition<?> attrDefGivenName = + attrRegistry.getCoreRegistry().getCoreAttributeRegistry().getByFriendlyName( + EidasConstants.eIDAS_ATTR_CURRENTGIVENNAME).first(); + final AttributeDefinition<?> attrDefDateOfBirth = + attrRegistry.getCoreRegistry().getCoreAttributeRegistry().getByFriendlyName( + EidasConstants.eIDAS_ATTR_DATEOFBIRTH).first(); + + attributeMap.put(attrDefPersonalId, authData.getGenericData(PvpAttributeDefinitions.BPK_NAME, + String.class)); + attributeMap.put(attrDefFamilyName, authData.getFamilyName()); + attributeMap.put(attrDefGivenName, authData.getGivenName()); + attributeMap.put(attrDefDateOfBirth, authData.getDateOfBirth()); + + } + } + + private boolean isLegalPersonWorkaroundActive() { + return basicConfig.getBasicConfigurationBoolean( + MsProxyServiceConstants.CONIG_PROPS_EIDAS_PROXY_WORKAROUND_MANDATES_LEGAL_PERSON, + false); + + } + + private boolean isLegalPersonMandateAvailable(IAuthData authData) { + return StringUtils.isNoneEmpty(authData.getGenericData( + PvpAttributeDefinitions.MANDATE_LEG_PER_SOURCE_PIN_NAME, String.class)); + + } + +} |