001/* 002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nelson Silva <nelson.silva@inevo.pt> 018 */ 019 020package org.nuxeo.ecm.platform.auth.saml.web; 021 022import org.apache.commons.logging.Log; 023import org.apache.commons.logging.LogFactory; 024import org.nuxeo.ecm.platform.auth.saml.SAMLConfiguration; 025import org.nuxeo.ecm.platform.ui.web.auth.NuxeoAuthenticationFilter; 026import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper; 027import org.opensaml.saml2.metadata.EntityDescriptor; 028import org.opensaml.xml.Configuration; 029import org.opensaml.xml.io.Marshaller; 030import org.opensaml.xml.io.MarshallingException; 031import org.opensaml.xml.util.XMLHelper; 032import org.w3c.dom.Element; 033 034import javax.servlet.http.HttpServlet; 035import javax.servlet.http.HttpServletRequest; 036import javax.servlet.http.HttpServletResponse; 037import java.io.IOException; 038 039/** 040 * Servlet that returns local SP metadata for configuring IdPs. 041 * 042 * @since 6.0 043 */ 044public class MetadataServlet extends HttpServlet { 045 046 protected static final Log log = LogFactory.getLog(MetadataServlet.class); 047 048 @Override 049 public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { 050 051 String baseURL = VirtualHostHelper.getBaseURL(request); 052 baseURL += (baseURL.endsWith("/") ? "" : "/") + NuxeoAuthenticationFilter.DEFAULT_START_PAGE; 053 054 EntityDescriptor descriptor = SAMLConfiguration.getEntityDescriptor(baseURL); 055 056 try { 057 Marshaller marshaller = Configuration.getMarshallerFactory().getMarshaller(descriptor); 058 if (marshaller == null) { 059 log.error("Unable to marshall message, no marshaller registered for message object: " 060 + descriptor.getElementQName()); 061 } 062 Element dom = marshaller.marshall(descriptor); 063 XMLHelper.writeNode(dom, response.getWriter()); 064 } catch (MarshallingException e) { 065 log.error("Unable to write metadata."); 066 } 067 } 068}