Metacat

import edu.ucsb.nceas.metacat.service.SessionService;

            	try {

		        	String configurationFileName = servletContext.getInitParameter("oa4mp:client.config.file");

		        	String configurationFilePath = servletContext.getRealPath(configurationFileName);

		        	PortalCertificateManager portalManager = new PortalCertificateManager(configurationFilePath);

		        	logMetacat.debug("Initialized the PortalCertificateManager using config file: " + configurationFilePath);

		        	X509Certificate certificate = portalManager.getCertificate(request);

		        	logMetacat.debug("Retrieved certificate: " + certificate);

			    	PrivateKey key = portalManager.getPrivateKey(request);

			    	logMetacat.debug("Retrieved key: " + key);

			    	if (certificate != null && key != null) {

			        	request.setAttribute("javax.servlet.request.X509Certificate", certificate);

			        	logMetacat.debug("Added certificate to the request: " + certificate.toString());

			    	}

		            // reload session from certificate that we jsut set in request

		            session = CertificateManager.getInstance().getSession(request);

            	} catch (Throwable t) {

            		// don't require configured OAuth4MyProxy

            		logMetacat.error(t.getMessage(), t);

            	}

					// is it not the public session?

					if (!SessionService.getInstance().getPublicSession().getUserName().equals(sessionData.getUserName())) {

						session = new Session();

						String userName = sessionData.getUserName();

						String[] groupNames = sessionData.getGroupNames();

						Subject userSubject = new Subject();

						userSubject.setValue(userName);

						session.setSubject(userSubject);

						SubjectInfo subjectInfo = new SubjectInfo();

						Person person = new Person();

						person.setSubject(userSubject);

						if (groupNames != null && groupNames.length > 0) {

							for (String groupName: groupNames) {

								Group group = new Group();

								group.setGroupName(groupName);

								Subject groupSubject = new Subject();

								groupSubject.setValue(groupName);

								group.setSubject(groupSubject);

								subjectInfo.addGroup(group);

								person.addIsMemberOf(groupSubject);

							}

						subjectInfo.addPerson(person);

						session.setSubjectInfo(subjectInfo);