diff options
Diffstat (limited to 'id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/protocols/eidas/EIDASProtocol.java')
| -rw-r--r-- | id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/protocols/eidas/EIDASProtocol.java | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/protocols/eidas/EIDASProtocol.java b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/protocols/eidas/EIDASProtocol.java new file mode 100644 index 000000000..24134f1d9 --- /dev/null +++ b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/protocols/eidas/EIDASProtocol.java @@ -0,0 +1,339 @@ +/******************************************************************************* + * Copyright 2014 Federal Chancellery Austria + * MOA-ID has been developed in a cooperation between BRZ, the Federal + * Chancellery Austria - ICT staff unit, and Graz University of Technology. + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://www.osor.eu/eupl/ + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + *******************************************************************************/ +package at.gv.egovernment.moa.id.protocols.eidas; + +import java.io.IOException; +import java.io.StringWriter; +import java.util.List; + +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.velocity.Template; +import org.apache.velocity.VelocityContext; +import org.apache.velocity.app.VelocityEngine; +import org.opensaml.saml2.core.StatusCode; +import org.opensaml.saml2.metadata.AssertionConsumerService; +import org.springframework.http.MediaType; +import org.springframework.stereotype.Controller; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RequestMethod; + +import at.gv.egovernment.moa.id.advancedlogging.MOAIDEventConstants; +import at.gv.egovernment.moa.id.auth.frontend.velocity.VelocityProvider; +import at.gv.egovernment.moa.id.auth.modules.eidas.Constants; +import at.gv.egovernment.moa.id.auth.modules.eidas.engine.MOAeIDASChainingMetadataProvider; +import at.gv.egovernment.moa.id.auth.modules.eidas.engine.MOAeIDASMetadataProviderDecorator; +import at.gv.egovernment.moa.id.auth.modules.eidas.exceptions.eIDASAuthnRequestProcessingException; +import at.gv.egovernment.moa.id.auth.modules.eidas.exceptions.eIDASAuthnRequestValidationException; +import at.gv.egovernment.moa.id.auth.modules.eidas.exceptions.eIDASException; +import at.gv.egovernment.moa.id.auth.modules.eidas.utils.MOAPersonalAttributeList; +import at.gv.egovernment.moa.id.auth.modules.eidas.utils.SAMLEngineUtils; +import at.gv.egovernment.moa.id.commons.api.IOAAuthParameters; +import at.gv.egovernment.moa.id.commons.api.IRequest; +import at.gv.egovernment.moa.id.commons.api.exceptions.MOAIDException; +import at.gv.egovernment.moa.id.moduls.RequestImpl; +import at.gv.egovernment.moa.id.protocols.AbstractAuthProtocolModulController; +import at.gv.egovernment.moa.logging.Logger; +import at.gv.egovernment.moa.util.MiscUtil; +import eu.eidas.auth.commons.EIDASAuthnRequest; +import eu.eidas.auth.commons.EIDASAuthnResponse; +import eu.eidas.auth.commons.EIDASUtil; +import eu.eidas.auth.engine.EIDASSAMLEngine; +import eu.eidas.auth.engine.metadata.MetadataUtil; +import eu.eidas.engine.exceptions.EIDASSAMLEngineException; + +/** + * eIDAS Protocol Support for outbound authentication and metadata generation + * + * @author tlenz + */ +@Controller +public class EIDASProtocol extends AbstractAuthProtocolModulController { + + public static final String NAME = EIDASProtocol.class.getName(); + public static final String PATH = "eidas"; + + public EIDASProtocol() { + super(); + Logger.debug("Registering servlet " + getClass().getName() + + " with mappings '" + Constants.eIDAS_HTTP_ENDPOINT_METADATA + + "' and '" + Constants.eIDAS_HTTP_ENDPOINT_IDP_COLLEAGUEREQUEST + + "' and '" + Constants.eIDAS_HTTP_ENDPOINT_IDP_POST +"'."); + + } + + public String getName() { + return NAME; + } + + public String getPath() { + return PATH; + } + + //eIDAS metadata end-point + @RequestMapping(value = "/eidas/metadata", method = {RequestMethod.GET}) + public void eIDASMetadataRequest(HttpServletRequest req, HttpServletResponse resp) throws MOAIDException { + + //create pendingRequest object + EIDASData pendingReq = applicationContext.getBean(EIDASData.class); + pendingReq.initialize(req); + pendingReq.setModule(NAME); + pendingReq.setNeedAuthentication(false); + pendingReq.setAuthenticated(false); + + revisionsLogger.logEvent( + pendingReq.getUniqueSessionIdentifier(), + pendingReq.getUniqueTransactionIdentifier(), + MOAIDEventConstants.TRANSACTION_IP, + req.getRemoteAddr()); + + + EidasMetaDataRequest metadataAction = applicationContext.getBean(EidasMetaDataRequest.class); + metadataAction.processRequest(pendingReq, + req, resp, null); + + revisionsLogger.logEvent( + pendingReq.getUniqueSessionIdentifier(), + pendingReq.getUniqueTransactionIdentifier(), + Constants.eIDAS_REVERSIONSLOG_METADATA); + } + + + //PVP2.x IDP POST-Binding end-point + @RequestMapping(value = "/eidas/ColleagueRequest", method = {RequestMethod.POST}) + public void PVPIDPPostRequest(HttpServletRequest req, HttpServletResponse resp) throws MOAIDException, IOException { + + //create pending-request object + EIDASData pendingReq = applicationContext.getBean(EIDASData.class); + pendingReq.initialize(req); + pendingReq.setModule(NAME); + + revisionsLogger.logEvent(MOAIDEventConstants.SESSION_CREATED, pendingReq.getUniqueSessionIdentifier()); + revisionsLogger.logEvent(MOAIDEventConstants.TRANSACTION_CREATED, pendingReq.getUniqueTransactionIdentifier()); + revisionsLogger.logEvent( + pendingReq.getUniqueSessionIdentifier(), + pendingReq.getUniqueTransactionIdentifier(), + MOAIDEventConstants.TRANSACTION_IP, + req.getRemoteAddr()); + + //preProcess eIDAS request + preProcess(req, resp, pendingReq); + + revisionsLogger.logEvent(pendingReq, Constants.eIDAS_REVERSIONSLOG_IDP_AUTHREQUEST); + + //AuthnRequest needs authentication + pendingReq.setNeedAuthentication(true); + + //set protocol action, which should be executed after authentication + pendingReq.setAction(eIDASAuthenticationRequest.class.getName()); + + //switch to session authentication + performAuthentication(req, resp, pendingReq); + } + + /* + First request step - send it to BKU selection for user authentication. After the user credentials + and other info are obtained, in the second step the request will be processed and the user redirected + */ + private void preProcess(HttpServletRequest request, HttpServletResponse response, EIDASData pendingReq) throws MOAIDException { + + Logger.info("received an eIDaS request"); + + //get SAML Response and decode it + String base64SamlToken = request.getParameter("SAMLRequest"); + if (MiscUtil.isEmpty(base64SamlToken)) { + Logger.warn("No eIDAS SAMLRequest found in http request."); + throw new MOAIDException("HTTP request includes no eIDAS SAML-Request element.", null); + } + byte[] decSamlToken = EIDASUtil.decodeSAMLToken(base64SamlToken); + + try { + //get eIDAS SAML-engine + EIDASSAMLEngine engine = SAMLEngineUtils.createSAMLEngine(); + + //validate SAML token + EIDASAuthnRequest samlReq = engine.validateEIDASAuthnRequest(decSamlToken); + + // - memorize remote ip + pendingReq.setRemoteAddress(request.getRemoteAddr()); + + // - memorize relaystate + String relayState = request.getParameter("RelayState"); + pendingReq.setRemoteRelayState(relayState); + + // - memorize country code of target country + pendingReq.setGenericDataToSession( + RequestImpl.eIDAS_GENERIC_REQ_DATA_COUNTRY, samlReq.getCountry()); + + // - memorize requested attributes + pendingReq.setEidasRequestedAttributes(new MOAPersonalAttributeList(samlReq.getPersonalAttributeList())); + + // - memorize whole request + samlReq.setPersonalAttributeList(pendingReq.getEidasRequestedAttributes()); // circumvent non-serializable eidas personal attribute list + pendingReq.setEidasRequest(samlReq); + + //validate destination against metadata + String reqDestination = samlReq.getDestination(); + if (MiscUtil.isNotEmpty(reqDestination)) { + boolean isValid = false; + List<AssertionConsumerService> allowedAssertionConsumerUrl = new MOAeIDASMetadataProviderDecorator(MOAeIDASChainingMetadataProvider.getInstance()) + .getSPSSODescriptor(samlReq.getIssuer()).getAssertionConsumerServices(); + + for (AssertionConsumerService el : allowedAssertionConsumerUrl) { + if (reqDestination.equals(el.getLocation())) + isValid = true; + + } + + if (!isValid) { + Logger.info("eIDAS AuthnRequest contains a not valid 'Destination' attribute"); + throw new eIDASAuthnRequestValidationException("stork.01", + new Object[]{"eIDAS AuthnRequest contains a not valid 'Destination' attribute"}); + } + + } + + + // - memorize OA url + pendingReq.setOAURL(samlReq.getIssuer()); + + // - memorize OA config + IOAAuthParameters oaConfig = authConfig.getOnlineApplicationParameter(pendingReq.getOAURL()); + if (oaConfig == null) + throw new eIDASAuthnRequestProcessingException("eIDAS.08", new Object[]{pendingReq.getOAURL()}); + + pendingReq.setOnlineApplicationConfiguration(oaConfig); + + String spType = samlReq.getSPType(); + if (MiscUtil.isEmpty(spType)) { + Logger.info("Load SPType from metadata ... IS NOT IMPLEMENTED YET!!!"); + //TODO: maybe implement this if required + + } + + Logger.debug("eIDAS request has SPType:" + spType); + + } catch (MOAIDException e) { + Logger.info("eIDAS AuthnRequest preProcessing FAILED. Msg:" + e.getMessage()); + throw e; + + } catch (EIDASSAMLEngineException e) { + Logger.info("eIDAS AuthnRequest preProcessing FAILED. Msg:" + e.getMessage()); + throw new eIDASAuthnRequestProcessingException("eIDAS.06", new Object[]{e.getMessage()}, e); + + } catch(Exception e) { + Logger.warn("eIDAS AuthnRequest preProcessing FAILED. Msg:" + e.getMessage(), e); + throw new eIDASAuthnRequestProcessingException("eIDAS.06", new Object[]{e.getMessage()}, e); + + } + } + + public boolean generateErrorMessage(Throwable e, HttpServletRequest request, HttpServletResponse response, IRequest pendingReq) throws Throwable { + if (pendingReq != null && pendingReq instanceof EIDASData) { + EIDASData eidasReq = (EIDASData) pendingReq; + if (eidasReq.getEidasRequest() == null) { + Logger.info("Can not build eIDAS ErrorResponse. No eIDAS AuthnRequest found."); + return false; + } + + try { + EIDASAuthnResponse eIDASResp = new EIDASAuthnResponse(); + eIDASResp.setIssuer(pendingReq.getAuthURL() + Constants.eIDAS_HTTP_ENDPOINT_METADATA); + + if (e instanceof eIDASException) { + eIDASResp.setStatusCode(((eIDASException) e).getStatusCodeFirstLevel()); + eIDASResp.setSubStatusCode(((eIDASException) e).getStatusCodeSecondLevel()); + eIDASResp.setMessage(e.getMessage()); + + } else if (e instanceof MOAIDException ) { + eIDASResp.setStatusCode(StatusCode.RESPONDER_URI); + eIDASResp.setSubStatusCode(StatusCode.AUTHN_FAILED_URI); + eIDASResp.setMessage(e.getMessage()); + + } else { + eIDASResp.setStatusCode(StatusCode.RESPONDER_URI); + eIDASResp.setSubStatusCode(StatusCode.AUTHN_FAILED_URI); + eIDASResp.setMessage(e.getMessage()); + + } + + + EIDASSAMLEngine engine = SAMLEngineUtils.createSAMLEngine(); + + if(null == eidasReq.getEidasRequest().getAssertionConsumerServiceURL()) { + String assertionConsumerUrl = MetadataUtil.getAssertionUrlFromMetadata( + new MOAeIDASMetadataProviderDecorator(MOAeIDASChainingMetadataProvider.getInstance()), + engine, + eidasReq.getEidasRequest()); + eidasReq.getEidasRequest().setAssertionConsumerServiceURL(assertionConsumerUrl); + + } + //get eIDAS SAML-engine + + eIDASResp = engine.generateEIDASAuthnResponseFail(eidasReq.getEidasRequest(), eIDASResp, + eidasReq.getRemoteAddress(), true); + + String token = EIDASUtil.encodeSAMLToken(eIDASResp.getTokenSaml()); + + VelocityEngine velocityEngine = VelocityProvider.getClassPathVelocityEngine(); + Template template = velocityEngine.getTemplate("/resources/templates/stork2_postbinding_template.html"); + VelocityContext context = new VelocityContext(); + + context.put("RelayState", eidasReq.getRemoteRelayState()); + + context.put("SAMLResponse", token); + Logger.debug("SAMLResponse original: " + token); + + Logger.debug("Putting assertion consumer url as action: " + eidasReq.getEidasRequest().getAssertionConsumerServiceURL()); + context.put("action", eidasReq.getEidasRequest().getAssertionConsumerServiceURL()); + Logger.trace("Starting template merge"); + StringWriter writer = new StringWriter(); + + Logger.trace("Doing template merge"); + template.merge(context, writer); + Logger.trace("Template merge done"); + + Logger.trace("Sending html content : " + new String(writer.getBuffer())); + + response.getOutputStream().write(writer.getBuffer().toString().getBytes("UTF-8")); + response.setContentType(MediaType.TEXT_HTML.getType()); + + return true; + + } catch (Exception e1 ) { + Logger.error("Generate eIDAS Error-Response failed.", e); + + } + + } + + return false; + } + + public boolean validate(HttpServletRequest request, HttpServletResponse response, IRequest pending) { + return false; + } +} + + |