diff options
Diffstat (limited to 'id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/AuthResponseBuilder.java')
| -rw-r--r-- | id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/AuthResponseBuilder.java | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/AuthResponseBuilder.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/AuthResponseBuilder.java new file mode 100644 index 000000000..4ef09184d --- /dev/null +++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/builder/AuthResponseBuilder.java @@ -0,0 +1,152 @@ +/* + * 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.pvp2x.builder; + +import java.util.ArrayList; +import java.util.Date; +import java.util.List; + +import org.joda.time.DateTime; +import org.opensaml.Configuration; +import org.opensaml.common.xml.SAMLConstants; +import org.opensaml.saml2.core.Assertion; +import org.opensaml.saml2.core.EncryptedAssertion; +import org.opensaml.saml2.core.Issuer; +import org.opensaml.saml2.core.NameID; +import org.opensaml.saml2.core.RequestAbstractType; +import org.opensaml.saml2.core.Response; +import org.opensaml.saml2.encryption.Encrypter; +import org.opensaml.saml2.encryption.Encrypter.KeyPlacement; +import org.opensaml.saml2.metadata.SPSSODescriptor; +import org.opensaml.security.MetadataCredentialResolver; +import org.opensaml.security.MetadataCriteria; +import org.opensaml.xml.encryption.EncryptionException; +import org.opensaml.xml.encryption.EncryptionParameters; +import org.opensaml.xml.encryption.KeyEncryptionParameters; +import org.opensaml.xml.security.CriteriaSet; +import org.opensaml.xml.security.SecurityException; +import org.opensaml.xml.security.credential.UsageType; +import org.opensaml.xml.security.criteria.EntityIDCriteria; +import org.opensaml.xml.security.criteria.UsageCriteria; +import org.opensaml.xml.security.keyinfo.KeyInfoGeneratorFactory; +import org.opensaml.xml.security.x509.X509Credential; + +import at.gv.egovernment.moa.id.config.ConfigurationException; +import at.gv.egovernment.moa.id.config.auth.AuthConfigurationProvider; +import at.gv.egovernment.moa.id.protocols.pvp2x.PVPConstants; +import at.gv.egovernment.moa.id.protocols.pvp2x.config.PVPConfiguration; +import at.gv.egovernment.moa.id.protocols.pvp2x.exceptions.InvalidAssertionEncryptionException; +import at.gv.egovernment.moa.id.protocols.pvp2x.metadata.MOAMetadataProvider; +import at.gv.egovernment.moa.id.protocols.pvp2x.utils.SAML2Utils; +import at.gv.egovernment.moa.logging.Logger; + +/** + * @author tlenz + * + */ +public class AuthResponseBuilder { + + public static Response buildResponse(RequestAbstractType req, DateTime date, Assertion assertion) throws InvalidAssertionEncryptionException, ConfigurationException { + Response authResponse = SAML2Utils.createSAMLObject(Response.class); + + Issuer nissuer = SAML2Utils.createSAMLObject(Issuer.class); + + //change to entity value from entity name to IDP EntityID (URL) + nissuer.setValue(PVPConfiguration.getInstance().getIDPPublicPath()); + nissuer.setFormat(NameID.ENTITY); + authResponse.setIssuer(nissuer); + authResponse.setInResponseTo(req.getID()); + + //set responseID + String remoteSessionID = SAML2Utils.getSecureIdentifier(); + authResponse.setID(remoteSessionID); + + + //SAML2 response required IssueInstant + authResponse.setIssueInstant(date); + + authResponse.setStatus(SAML2Utils.getSuccessStatus()); + + //check, if metadata includes an encryption key + MetadataCredentialResolver mdCredResolver = + new MetadataCredentialResolver(MOAMetadataProvider.getInstance()); + + CriteriaSet criteriaSet = new CriteriaSet(); + criteriaSet.add( new EntityIDCriteria(req.getIssuer().getValue()) ); + criteriaSet.add( new MetadataCriteria(SPSSODescriptor.DEFAULT_ELEMENT_NAME, SAMLConstants.SAML20P_NS) ); + criteriaSet.add( new UsageCriteria(UsageType.ENCRYPTION) ); + + X509Credential encryptionCredentials = null; + try { + encryptionCredentials = (X509Credential) mdCredResolver.resolveSingle(criteriaSet); + + } catch (SecurityException e2) { + Logger.warn("Can not extract the Assertion Encryption-Key from metadata", e2); + throw new InvalidAssertionEncryptionException(); + + } + + boolean isEncryptionActive = AuthConfigurationProvider.getInstance().isPVP2AssertionEncryptionActive(); + if (encryptionCredentials != null && isEncryptionActive) { + //encrypt SAML2 assertion + + try { + + EncryptionParameters dataEncParams = new EncryptionParameters(); + dataEncParams.setAlgorithm(PVPConstants.DEFAULT_SYM_ENCRYPTION_METHODE); + + List<KeyEncryptionParameters> keyEncParamList = new ArrayList<KeyEncryptionParameters>(); + KeyEncryptionParameters keyEncParam = new KeyEncryptionParameters(); + + keyEncParam.setEncryptionCredential(encryptionCredentials); + keyEncParam.setAlgorithm(PVPConstants.DEFAULT_ASYM_ENCRYPTION_METHODE); + KeyInfoGeneratorFactory kigf = Configuration.getGlobalSecurityConfiguration() + .getKeyInfoGeneratorManager().getDefaultManager() + .getFactory(encryptionCredentials); + keyEncParam.setKeyInfoGenerator(kigf.newInstance()); + keyEncParamList.add(keyEncParam); + + Encrypter samlEncrypter = new Encrypter(dataEncParams, keyEncParamList); + //samlEncrypter.setKeyPlacement(KeyPlacement.INLINE); + samlEncrypter.setKeyPlacement(KeyPlacement.PEER); + + EncryptedAssertion encryptAssertion = null; + + encryptAssertion = samlEncrypter.encrypt(assertion); + + authResponse.getEncryptedAssertions().add(encryptAssertion); + + } catch (EncryptionException e1) { + Logger.warn("Can not encrypt the PVP2 assertion", e1); + throw new InvalidAssertionEncryptionException(); + + } + + } else { + authResponse.getAssertions().add(assertion); + + } + + return authResponse; + } +} |