1 files changed, 132 insertions, 0 deletions
diff --git a/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/engine/MOAeIDASMetadataSignatureFilter.java b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/engine/MOAeIDASMetadataSignatureFilter.java
new file mode 100644
index 000000000..c9f3e5bcd
--- /dev/null
+++ b/id/server/modules/moa-id-module-eIDAS/src/main/java/at/gv/egovernment/moa/id/auth/modules/eidas/engine/MOAeIDASMetadataSignatureFilter.java
@@ -0,0 +1,132 @@
+/*
+ * 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.auth.modules.eidas.engine;
+
+import java.io.IOException;
+import java.io.StringWriter;
+
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.TransformerFactoryConfigurationError;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+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 at.gv.egovernment.moa.id.auth.builder.SignatureVerificationUtils;
+import at.gv.egovernment.moa.id.auth.data.VerifyXMLSignatureResponse;
+import at.gv.egovernment.moa.id.auth.exception.BuildException;
+import at.gv.egovernment.moa.id.auth.exception.MOAIDException;
+import at.gv.egovernment.moa.logging.Logger;
+
+/**
+ * @author tlenz
+ *
+ */
+public class MOAeIDASMetadataSignatureFilter implements MetadataFilter {
+
+	private String trustProfileID = null;
+	
+	/**
+	 * 
+	 */
+	public MOAeIDASMetadataSignatureFilter(String trustProfileID) {
+		this.trustProfileID = trustProfileID;
+		
+	}
+	
+	
+	/* (non-Javadoc)
+	 * @see org.opensaml.saml2.metadata.provider.MetadataFilter#doFilter(org.opensaml.xml.XMLObject)
+	 */
+	@Override
+	public void doFilter(XMLObject metadata) throws FilterException {
+		if (metadata instanceof EntityDescriptor) {
+			if (((EntityDescriptor) metadata).isSigned()) {				
+				EntityDescriptor entityDes = (EntityDescriptor) metadata;
+				//check signature;
+				try {
+					Transformer transformer = TransformerFactory.newInstance()
+							.newTransformer();	
+					StringWriter sw = new StringWriter();
+					StreamResult sr = new StreamResult(sw);
+					DOMSource source = new DOMSource(metadata.getDOM());
+					transformer.transform(source, sr);
+					sw.close();
+					String metadataXML = sw.toString();
+					
+					SignatureVerificationUtils sigVerify = 
+							new SignatureVerificationUtils();
+					VerifyXMLSignatureResponse result = sigVerify.verify(
+							metadataXML.getBytes(), trustProfileID);
+					
+					//check signature-verification result
+					if (result.getSignatureCheckCode() != 0) {
+						Logger.warn("eIDAS Metadata signature-verification FAILED!"
+								+ " Metadata: " + entityDes.getEntityID()
+								+ " StatusCode:" + result.getSignatureCheckCode());
+						throw new FilterException("eIDAS Metadata signature-verification FAILED!"
+								+ " Metadata: " + entityDes.getEntityID()
+								+ " StatusCode:" + result.getSignatureCheckCode());
+						
+					}
+					
+					if (result.getCertificateCheckCode() != 0) {
+						Logger.warn("eIDAS Metadata certificate-verification FAILED!"
+								+ " Metadata: " + entityDes.getEntityID()
+								+ " StatusCode:" + result.getCertificateCheckCode());
+						throw new FilterException("eIDAS Metadata certificate-verification FAILED!"
+								+ " Metadata: " + entityDes.getEntityID()
+								+ " StatusCode:" + result.getCertificateCheckCode());
+						
+					}
+					
+				
+				} catch (MOAIDException | TransformerFactoryConfigurationError | TransformerException | IOException e) {
+					Logger.error("eIDAS Metadata verification has an interal error.", e);
+					throw new FilterException("eIDAS Metadata verification has an interal error."
+							+ " Message:" + e.getMessage());
+					
+				}
+				
+				
+			} else {
+				Logger.warn("eIDAS Metadata root-element MUST be signed.");
+				throw new FilterException("eIDAS Metadata root-element MUST be signed.'");
+				
+			}
+						
+		} else {
+			Logger.warn("eIDAS Metadata root-element is not of type 'EntityDescriptor'");
+			throw new FilterException("eIDAS Metadata root-element is not of type 'EntityDescriptor'");
+			
+		}
+		
+	}
+
+}