update PVP Single LogOut request/response signature validation

2 files changed, 254 insertions, 0 deletions

diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/validation/AbstractRequestSignedSecurityPolicyRule.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/validation/AbstractRequestSignedSecurityPolicyRule.java
new file mode 100644
index 000000000..31e960d59
--- /dev/null
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/validation/AbstractRequestSignedSecurityPolicyRule.java
@@ -0,0 +1,184 @@
+/*
+ * 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.validation;
+
+import javax.xml.namespace.QName;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.validation.Schema;
+import javax.xml.validation.Validator;
+
+import org.opensaml.common.SignableSAMLObject;
+import org.opensaml.common.xml.SAMLConstants;
+import org.opensaml.common.xml.SAMLSchemaBuilder;
+import org.opensaml.security.MetadataCriteria;
+import org.opensaml.security.SAMLSignatureProfileValidator;
+import org.opensaml.ws.message.MessageContext;
+import org.opensaml.ws.security.SecurityPolicyException;
+import org.opensaml.ws.security.SecurityPolicyRule;
+import org.opensaml.xml.XMLObject;
+import org.opensaml.xml.security.CriteriaSet;
+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.signature.SignatureTrustEngine;
+import org.opensaml.xml.validation.ValidationException;
+import org.w3c.dom.Element;
+import org.xml.sax.SAXException;
+
+import at.gv.egovernment.moa.id.protocols.pvp2x.exceptions.SchemaValidationException;
+import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.util.MiscUtil;
+
+/**
+ * @author tlenz
+ *
+ */
+public abstract class AbstractRequestSignedSecurityPolicyRule implements SecurityPolicyRule {
+
+	private SignatureTrustEngine trustEngine = null;
+	private QName peerEntityRole = null;
+	/**
+	 * @param peerEntityRole 
+	 * 
+	 */
+	public AbstractRequestSignedSecurityPolicyRule(SignatureTrustEngine trustEngine, QName peerEntityRole) {
+		this.trustEngine = trustEngine;
+		this.peerEntityRole = peerEntityRole;
+		
+	}
+	
+	
+	/**
+	 * Reload the PVP metadata for a given entity
+	 * 
+	 * @param entityID for which the metadata should be refreshed.
+	 * @return true if the refresh was successful, otherwise false
+	 */
+	protected abstract boolean refreshMetadataProvider(String entityID);
+	
+	
+	protected abstract SignableSAMLObject getSignedSAMLObject(XMLObject inboundData);
+	
+	/* (non-Javadoc)
+	 * @see org.opensaml.ws.security.SecurityPolicyRule#evaluate(org.opensaml.ws.message.MessageContext)
+	 */
+	@Override
+	public void evaluate(MessageContext context) throws SecurityPolicyException {
+		try {
+			verifySignature(context);
+			
+		} catch (SecurityPolicyException e) {
+			if (MiscUtil.isEmpty(context.getInboundMessageIssuer())) {
+				throw e;
+			
+			}			
+			Logger.debug("PVP2X message validation FAILED. Relead metadata for entityID: " + context.getInboundMessageIssuer());
+			if (!refreshMetadataProvider(context.getInboundMessageIssuer()))
+				throw e;
+			
+			else {
+				Logger.trace("PVP2X metadata reload finished. Check validate message again.");					
+				verifySignature(context);
+										
+			}
+			Logger.trace("Second PVP2X message validation finished");
+			
+		}
+
+		
+	}
+
+	private void verifySignature(MessageContext context) throws SecurityPolicyException {
+		SignableSAMLObject samlObj = getSignedSAMLObject(context.getInboundMessage());			
+		if (samlObj != null && samlObj.getSignature() != null) {
+						
+			SAMLSignatureProfileValidator profileValidator = new SAMLSignatureProfileValidator();
+			try {
+				profileValidator.validate(samlObj.getSignature());		    
+				performSchemaValidation(samlObj.getDOM());
+		    
+			} catch (ValidationException e) {
+				Logger.warn("Signature is not conform to SAML signature profile", e);
+				throw new SecurityPolicyException("Signature is not conform to SAML signature profile");
+		    
+			} catch (SchemaValidationException e) {
+				Logger.warn("Signature is not conform to SAML signature profile", e);
+				throw new SecurityPolicyException("Signature is not conform to SAML signature profile");
+			
+			}
+			
+			
+			
+			CriteriaSet criteriaSet = new CriteriaSet();
+			criteriaSet.add( new EntityIDCriteria(context.getInboundMessageIssuer()) );
+			criteriaSet.add( new MetadataCriteria(peerEntityRole, SAMLConstants.SAML20P_NS) );
+			criteriaSet.add( new UsageCriteria(UsageType.SIGNING) );
+						
+			try {
+				if (!trustEngine.validate(samlObj.getSignature(), criteriaSet)) {
+					throw new SecurityPolicyException("Signature validation FAILED.");
+					
+				}
+			} catch (org.opensaml.xml.security.SecurityException e) {
+				Logger.warn("PVP2x message signature validation FAILED.", e);
+				throw new SecurityPolicyException("Signature validation FAILED.");
+				
+			}
+			
+		} else {
+			throw new SecurityPolicyException("Request is not signed.");
+			
+		}
+	}
+	
+	private void performSchemaValidation(Element source) throws SchemaValidationException {
+			
+		String err = null;
+		try {
+			Schema test = SAMLSchemaBuilder.getSAML11Schema();
+			Validator val = test.newValidator();		
+			val.validate(new DOMSource(source));
+			Logger.debug("Schema validation check done OK");
+			return;
+			
+		} catch (SAXException e) {
+			err = e.getMessage();
+			if (Logger.isDebugEnabled() || Logger.isTraceEnabled())
+				Logger.warn("Schema validation FAILED with exception:", e);
+			else
+				Logger.warn("Schema validation FAILED with message: "+ e.getMessage());
+							
+		} catch (Exception e) {
+			err = e.getMessage();
+			if (Logger.isDebugEnabled() || Logger.isTraceEnabled())
+				Logger.warn("Schema validation FAILED with exception:", e);
+			else
+				Logger.warn("Schema validation FAILED with message: "+ e.getMessage());
+						
+		}
+			
+		throw new SchemaValidationException("pvp2.22", new Object[]{err});
+			
+	}
+
+}
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/validation/MOAPVPSignedRequestPolicyRule.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/validation/MOAPVPSignedRequestPolicyRule.java
new file mode 100644
index 000000000..932f3b818
--- /dev/null
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/pvp2x/validation/MOAPVPSignedRequestPolicyRule.java
@@ -0,0 +1,70 @@
+/*
+ * 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.validation;
+
+import javax.xml.namespace.QName;
+
+import org.opensaml.common.SignableSAMLObject;
+import org.opensaml.xml.XMLObject;
+import org.opensaml.xml.signature.SignatureTrustEngine;
+
+import at.gv.egovernment.moa.id.protocols.pvp2x.metadata.MOAMetadataProvider;
+
+/**
+ * @author tlenz
+ *
+ */
+public class MOAPVPSignedRequestPolicyRule extends
+		AbstractRequestSignedSecurityPolicyRule {
+
+	/**
+	 * @param trustEngine
+	 * @param peerEntityRole
+	 */
+	public MOAPVPSignedRequestPolicyRule(SignatureTrustEngine trustEngine,
+			QName peerEntityRole) {
+		super(trustEngine, peerEntityRole);
+	}
+
+	/* (non-Javadoc)
+	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.validation.AbstractRequestSignedSecurityPolicyRule#refreshMetadataProvider(java.lang.String)
+	 */
+	@Override
+	protected boolean refreshMetadataProvider(String entityID) {
+		return MOAMetadataProvider.getInstance().refreshMetadataProvider(entityID);
+		
+	}
+
+	/* (non-Javadoc)
+	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.validation.AbstractRequestSignedSecurityPolicyRule#getSignedSAMLObject(org.opensaml.xml.XMLObject)
+	 */
+	@Override
+	protected SignableSAMLObject getSignedSAMLObject(XMLObject inboundData) {
+		if (inboundData instanceof SignableSAMLObject)
+			return (SignableSAMLObject) inboundData;
+		
+		else
+			return null;
+	}
+
+}