diff options
Diffstat (limited to 'id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/verification/metadata/MetadataSignatureFilter.java')
-rw-r--r-- | id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/verification/metadata/MetadataSignatureFilter.java | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/verification/metadata/MetadataSignatureFilter.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/verification/metadata/MetadataSignatureFilter.java new file mode 100644 index 000000000..0405fa114 --- /dev/null +++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/verification/metadata/MetadataSignatureFilter.java @@ -0,0 +1,162 @@ +/******************************************************************************* + * 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.verification.metadata; + +import iaik.x509.X509Certificate; + +import java.security.cert.CertificateException; +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +import org.opensaml.saml2.metadata.EntitiesDescriptor; +import org.opensaml.saml2.metadata.EntityDescriptor; +import org.opensaml.saml2.metadata.provider.FilterException; +import org.opensaml.saml2.metadata.provider.MetadataFilter; +import org.opensaml.xml.XMLObject; +import org.opensaml.xml.security.x509.BasicX509Credential; + +import at.gv.egovernment.moa.id.auth.exception.MOAIDException; +import at.gv.egovernment.moa.id.commons.db.ConfigurationDBUtils; +import at.gv.egovernment.moa.id.protocols.pvp2x.exceptions.NoCredentialsException; +import at.gv.egovernment.moa.id.protocols.pvp2x.verification.EntityVerifier; +import at.gv.egovernment.moa.logging.Logger; + +public class MetadataSignatureFilter implements MetadataFilter { + + private String metadataURL; + private BasicX509Credential savedCredential; + + public MetadataSignatureFilter(String url, byte[] certificate) + throws CertificateException { + this.metadataURL = url; + X509Certificate cert = new X509Certificate(certificate); + savedCredential = new BasicX509Credential(); + savedCredential.setEntityCertificate(cert); + } + + public void processEntityDescriptorr(EntityDescriptor desc) throws MOAIDException { + +// String entityID = desc.getEntityID(); + + EntityVerifier.verify(desc); + } + + public void processEntitiesDescriptor(EntitiesDescriptor desc) throws MOAIDException { + Iterator<EntitiesDescriptor> entID = desc.getEntitiesDescriptors().iterator(); + + if(desc.getSignature() != null) { + EntityVerifier.verify(desc, this.savedCredential); + } + + while(entID.hasNext()) { + processEntitiesDescriptor(entID.next()); + } + + Iterator<EntityDescriptor> entIT = desc.getEntityDescriptors().iterator(); + + List<EntityDescriptor> verifiedEntIT = new ArrayList<EntityDescriptor>(); + + //check every Entity + + while(entIT.hasNext()) { + + EntityDescriptor entity = entIT.next(); + + String entityID = entity.getEntityID(); + + //CHECK if Entity also match MetaData signature. + /*This check is necessary to prepend declaration of counterfeit OA metadata!!*/ + byte[] entityCert = EntityVerifier.fetchSavedCredential(entityID); + + if (entityCert != null) { + + X509Certificate cert; + try { + cert = new X509Certificate(entityCert); + BasicX509Credential entityCrendential = new BasicX509Credential(); + entityCrendential.setEntityCertificate(cert); + + EntityVerifier.verify(desc, entityCrendential); + + //add entity to verified entity-list + verifiedEntIT.add(entity); + + } catch (Exception e) { + + //remove entity of signature can not be verified. + Logger.info("Entity " + entityID + " is removed from metadata " + + desc.getName() + ". Entity verification error: " + e.getMessage()); +// throw new MOAIDException("The App", null, e); + } + + } else { + //remove entity if it is not registrated as OA + Logger.info("Entity " + entityID + " is removed from metadata " + + desc.getName() + ". Entity is not registrated or no certificate is found!"); +// throw new NoCredentialsException("NO Certificate found for OA " + entityID); + } + + //TODO: insert to support signed Entity-Elements + //processEntityDescriptorr(entIT.next()); + } + + //set only verified entity elements + desc.getEntityDescriptors().clear(); + desc.getEntityDescriptors().addAll(verifiedEntIT); + } + + public void doFilter(XMLObject metadata) throws FilterException { + try { + if (metadata instanceof EntitiesDescriptor) { + EntitiesDescriptor entitiesDescriptor = (EntitiesDescriptor) metadata; + if(entitiesDescriptor.getSignature() == null) { + throw new MOAIDException("Root element of metadata file has to be signed", null); + } + processEntitiesDescriptor(entitiesDescriptor); + + + if (entitiesDescriptor.getEntityDescriptors().size() == 0) { + throw new MOAIDException("No valid entity in metadata " + + entitiesDescriptor.getName() + ". Metadata is not loaded.", null); + } + + + } else if (metadata instanceof EntityDescriptor) { + EntityDescriptor entityDescriptor = (EntityDescriptor) metadata; + processEntityDescriptorr(entityDescriptor); + + } else { + throw new MOAIDException("Invalid Metadata file Root element is no EntitiesDescriptor", null); + } + + ConfigurationDBUtils.closeSession(); + + Logger.info("Metadata signature policy check done OK"); + } catch (MOAIDException e) { + Logger.warn("Metadata signature policy check FAILED.", e); + throw new FilterException(e); + } + } + +} |