1 files changed, 79 insertions, 0 deletions
diff --git a/eidas_modules/authmodule-eIDAS-v2/src/main/java/at/asitplus/eidas/specific/modules/authmodule_eIDASv2/handler/DEeIDPostProcessor.java b/eidas_modules/authmodule-eIDAS-v2/src/main/java/at/asitplus/eidas/specific/modules/authmodule_eIDASv2/handler/DEeIDPostProcessor.java
new file mode 100644
index 00000000..90562f86
--- /dev/null
+++ b/eidas_modules/authmodule-eIDAS-v2/src/main/java/at/asitplus/eidas/specific/modules/authmodule_eIDASv2/handler/DEeIDPostProcessor.java
@@ -0,0 +1,79 @@
+package at.asitplus.eidas.specific.modules.authmodule_eIDASv2.handler;
+
+import java.util.Base64;
+
+import org.apache.commons.codec.DecoderException;
+import org.apache.commons.codec.binary.Hex;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.asitplus.eidas.specific.modules.authmodule_eIDASv2.Constants;
+import at.asitplus.eidas.specific.modules.authmodule_eIDASv2.exception.eIDASAttributeException;
+import at.asitplus.eidas.specific.modules.authmodule_eIDASv2.exception.eIDPostProcessingException;
+import at.asitplus.eidas.specific.modules.authmodule_eIDASv2.utils.eIDASResponseUtils;
+import at.gv.egiz.eaaf.core.impl.data.Trible;
+
+public class DEeIDPostProcessor extends AbstracteIDPostProcessor {
+	private static final Logger log = LoggerFactory.getLogger(DEeIDPostProcessor.class);	
+	private static final String canHandleCC = "DE";
+	
+	private int priority = 1;
+	
+	@Override
+	public int getPriority() {
+		return priority;
+	}
+
+	@Override
+	public boolean canHandle(String countryCode) {		
+		return countryCode != null && countryCode.equalsIgnoreCase(canHandleCC);
+		
+	}
+
+	
+	public void setPriority(int priority) {
+		this.priority = priority;
+	}
+
+	@Override
+	public String getName() {
+		return "DE-PostProcessor";
+		
+	}
+	
+	@Override
+	protected String processPseudonym(Object eIdentifierObj) throws eIDPostProcessingException, eIDASAttributeException {
+		if (eIdentifierObj == null || !(eIdentifierObj instanceof String))
+	        	throw new eIDASAttributeException(Constants.eIDAS_ATTR_PERSONALIDENTIFIER);
+		 
+		Trible<String, String, String> eIdentifier = 
+					eIDASResponseUtils.parseEidasPersonalIdentifier((String)eIdentifierObj);
+				
+		log.trace(getName() + " starts processing of attribute: " + Constants.eIDAS_ATTR_PERSONALIDENTIFIER);
+		String result = convertDEIdentifier(eIdentifier.getThird());
+		log.debug(getName() + " finished processing of attribute: " + Constants.eIDAS_ATTR_PERSONALIDENTIFIER);
+		
+		return result; 
+		
+		
+	}
+	
+	private String convertDEIdentifier(String hexEncodedDEIdentifier) throws eIDPostProcessingException
+	{
+		if(hexEncodedDEIdentifier.length() != 64)
+			throw new eIDPostProcessingException("ernb.03", new Object[] {"Input has wrong length, expected 64 chars"});
+
+		byte[] data;
+		try {			
+			data = Hex.decodeHex(hexEncodedDEIdentifier);
+			
+		} catch (DecoderException e) {
+			throw new eIDPostProcessingException("ernb.03", null, e);
+			
+		}
+		
+		byte[] encoded = Base64.getEncoder().encode(data);
+		return new String(encoded);
+	}
+
+}