use SAML2 relaystate as additional MOA session binding feature

2 files changed, 17 insertions, 6 deletions

diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/AuthenticationServer.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/AuthenticationServer.java
index 4709f8c68..e7abf0f9a 100644
--- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/AuthenticationServer.java
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/AuthenticationServer.java
@@ -1877,6 +1877,7 @@ public class AuthenticationServer implements MOAIDAuthConstants {
             Template template = velocityEngine.getTemplate("/resources/templates/saml2-post-binding-moa.vm");
             VelocityContext context = new VelocityContext();
             context.put("SAMLRequest", PEPSUtil.encodeSAMLToken(authnRequest.getTokenSaml()));
+            context.put("RelayState", moasession.getSessionID());
             context.put("action", destination);
 
             StringWriter writer = new StringWriter();
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/PEPSConnectorServlet.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/PEPSConnectorServlet.java
index 024944c72..25749c8bc 100644
--- a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/PEPSConnectorServlet.java
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/servlet/PEPSConnectorServlet.java
@@ -114,18 +114,28 @@ public class PEPSConnectorServlet extends AuthServlet {
 			//check if https or only http

 			super.checkIfHTTPisAllowed(request.getRequestURL().toString());

 			

-			Logger.debug("Trying to find MOA Session-ID");			

+			Logger.debug("Trying to find MOA Session-ID ...");			

 		    String moaSessionID = request.getParameter(PARAM_SESSIONID);

 	           

 		    // escape parameter strings

 		    moaSessionID= StringEscapeUtils.escapeHtml(moaSessionID);

 			

 			if (StringUtils.isEmpty(moaSessionID)) {

-				//No authentication session has been started before

-				Logger.error("MOA-SessionID was not found, no previous AuthnRequest had been started");

-				Logger.debug("PEPSConnectorURL was: " + request.getRequestURL());

-				throw new AuthenticationException("auth.02", new Object[] { moaSessionID });

-			}

+				//check if SAML2 relaystate includes a MOA sessionID

+				moaSessionID = request.getParameter("RelayState");

+				moaSessionID= StringEscapeUtils.escapeHtml(moaSessionID);

+				

+				if (StringUtils.isEmpty(moaSessionID)) {				

+					//No authentication session has been started before

+					Logger.error("MOA-SessionID was not found, no previous AuthnRequest had been started");

+					Logger.debug("PEPSConnectorURL was: " + request.getRequestURL());

+					throw new AuthenticationException("auth.02", new Object[] { moaSessionID });

+					

+				} else 

+					Logger.trace("MOA SessionID " + moaSessionID + " is found in SAML2 relayState.");

+					

+			} else 

+				Logger.trace("MOA SessionID " + moaSessionID + " is found in http GET parameter.");

 

 	         if (!ParamValidatorUtils.isValidSessionID(moaSessionID))

 	             throw new WrongParametersException("VerifyAuthenticationBlock", PARAM_SESSIONID, "auth.12");