implement configuration tool single logout

1 files changed, 159 insertions, 0 deletions

diff --git a/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/servlets/SLOBackChannelServlet.java b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/servlets/SLOBackChannelServlet.java
new file mode 100644
index 000000000..4b23089c4
--- /dev/null
+++ b/id/ConfigWebTool/src/main/java/at/gv/egovernment/moa/id/configuration/auth/pvp2/servlets/SLOBackChannelServlet.java
@@ -0,0 +1,159 @@
+/*
+ * 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.configuration.auth.pvp2.servlets;
+
+import java.io.IOException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.util.List;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.opensaml.common.SAMLObject;
+import org.opensaml.common.binding.BasicSAMLMessageContext;
+import org.opensaml.saml2.binding.encoding.HTTPSOAP11Encoder;
+import org.opensaml.saml2.core.LogoutRequest;
+import org.opensaml.saml2.core.LogoutResponse;
+import org.opensaml.ws.message.decoder.MessageDecodingException;
+import org.opensaml.ws.message.encoder.MessageEncodingException;
+import org.opensaml.ws.soap.soap11.Envelope;
+import org.opensaml.ws.soap.soap11.decoder.http.HTTPSOAP11Decoder;
+import org.opensaml.ws.transport.http.HttpServletRequestAdapter;
+import org.opensaml.ws.transport.http.HttpServletResponseAdapter;
+import org.opensaml.xml.XMLObject;
+import org.opensaml.xml.parse.BasicParserPool;
+import org.opensaml.xml.security.SecurityException;
+import org.opensaml.xml.security.x509.KeyStoreX509CredentialAdapter;
+import org.opensaml.xml.security.x509.X509Credential;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.gv.egovernment.moa.id.configuration.exception.ConfigurationException;
+
+/**
+ * @author tlenz
+ *
+ */
+public class SLOBackChannelServlet extends SLOBasicServlet {
+
+	private static final long serialVersionUID = 1481623547633064922L;
+	private static final Logger log = LoggerFactory
+			.getLogger(SLOBackChannelServlet.class);
+	
+	/**
+	 * @throws ConfigurationException
+	 */
+	public SLOBackChannelServlet() throws ConfigurationException {
+		super();
+	}
+
+
+	protected void doPost(HttpServletRequest request,
+			HttpServletResponse response) throws ServletException, IOException {
+		
+		try {
+			HTTPSOAP11Decoder soapDecoder = new HTTPSOAP11Decoder(new BasicParserPool());
+			BasicSAMLMessageContext<SAMLObject, ?, ?> messageContext = 
+					new BasicSAMLMessageContext<SAMLObject, SAMLObject, SAMLObject>();
+			messageContext
+			.setInboundMessageTransport(new HttpServletRequestAdapter(
+						request));
+			
+			soapDecoder.decode(messageContext);
+		
+			Envelope inboundMessage = (Envelope) messageContext
+					.getInboundMessage();
+			
+			if (inboundMessage.getBody() != null) {		
+				List<XMLObject> xmlElemList = inboundMessage.getBody().getUnknownXMLObjects();
+			
+				LogoutResponse sloResp;
+				if (!xmlElemList.isEmpty() && xmlElemList.get(0) instanceof LogoutRequest) {
+					LogoutRequest sloReq = (LogoutRequest) xmlElemList.get(0);
+					sloResp = processLogOutRequest(sloReq, request);
+					
+					KeyStore keyStore = getConfig().getPVP2KeyStore();
+					X509Credential authcredential = new KeyStoreX509CredentialAdapter(
+							keyStore, 
+							getConfig().getPVP2KeystoreAuthRequestKeyAlias(), 
+							getConfig().getPVP2KeystoreAuthRequestKeyPassword().toCharArray());
+					
+					HTTPSOAP11Encoder encoder = new HTTPSOAP11Encoder();
+					HttpServletResponseAdapter responseAdapter = new HttpServletResponseAdapter(
+							response, true);
+					BasicSAMLMessageContext<SAMLObject, SAMLObject, SAMLObject> context = new BasicSAMLMessageContext<SAMLObject, SAMLObject, SAMLObject>();
+					context.setOutboundSAMLMessageSigningCredential(authcredential);
+					context.setOutboundSAMLMessage(sloResp);
+					context.setOutboundMessageTransport(responseAdapter);
+					
+					encoder.encode(context);
+												
+				} else {
+					log.warn("Received request ist not of type LogOutRequest");
+					response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
+					
+				}
+			}
+		
+		} catch (MessageDecodingException e) {
+			log.error("SLO message processing FAILED." , e);
+			response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
+			
+		} catch (SecurityException e) {
+			log.error("SLO message processing FAILED." , e);
+			response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
+			
+		} catch (NoSuchAlgorithmException e) {
+			log.error("SLO message processing FAILED." , e);
+			response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
+			
+		} catch (CertificateException e) {
+			log.error("SLO message processing FAILED." , e);
+			response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
+			
+		} catch (KeyStoreException e) {
+			log.error("SLO message processing FAILED." , e);
+			response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
+			
+		} catch (ConfigurationException e) {
+			log.error("SLO message processing FAILED." , e);
+			response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
+			
+		} catch (MessageEncodingException e) {
+			log.error("SLO message processing FAILED." , e);
+			response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
+			
+		}		
+	}
+	
+	protected void doGet(HttpServletRequest request,
+			HttpServletResponse response) throws ServletException, IOException {		
+		response.setStatus(HttpServletResponse.SC_NOT_FOUND);
+				
+	}
+	
+}