001/* 002 * (C) Copyright 2010 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 * Nuxeo - initial API and implementation 018 */ 019 020package org.nuxeo.ecm.platform.shibboleth.service; 021 022import static org.apache.commons.lang.StringUtils.isNotEmpty; 023import static org.nuxeo.ecm.platform.ui.web.auth.NXAuthConstants.REDIRECT_URL; 024 025import java.io.UnsupportedEncodingException; 026import java.util.HashMap; 027import java.util.Map; 028 029import javax.servlet.http.HttpServletRequest; 030 031import com.google.common.collect.BiMap; 032import com.google.common.collect.HashBiMap; 033import org.nuxeo.common.utils.URIUtils; 034import org.nuxeo.ecm.platform.web.common.vh.VirtualHostHelper; 035import org.nuxeo.runtime.model.ComponentInstance; 036import org.nuxeo.runtime.model.DefaultComponent; 037 038public class ShibbolethAuthenticationServiceImpl extends DefaultComponent implements ShibbolethAuthenticationService { 039 040 public static final String CONFIG_EP = "config"; 041 042 protected ShibbolethAuthenticationConfig config; 043 044 @Override 045 public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 046 if (CONFIG_EP.equals(extensionPoint)) { 047 config = (ShibbolethAuthenticationConfig) contribution; 048 } 049 } 050 051 public ShibbolethAuthenticationConfig getConfig() { 052 return config; 053 } 054 055 @Override 056 public String getLoginURL(String redirectURL) { 057 if (config == null || config.getLoginURL() == null) { 058 return null; 059 } 060 061 Map<String, String> urlParameters = new HashMap<String, String>(1); 062 urlParameters.put(config.getLoginRedirectURLParameter(), redirectURL); 063 return URIUtils.addParametersToURIQuery(config.getLoginURL(), urlParameters); 064 } 065 066 @Override 067 public String getLogoutURL(String redirectURL) { 068 if (config == null || config.getLogoutURL() == null) { 069 return null; 070 } 071 072 Map<String, String> urlParameters = new HashMap<String, String>(1); 073 urlParameters.put(config.getLogoutRedirectURLParameter(), redirectURL); 074 return URIUtils.addParametersToURIQuery(config.getLogoutURL(), urlParameters); 075 } 076 077 @Override 078 public String getLoginURL(HttpServletRequest request) { 079 String redirectUrl = VirtualHostHelper.getRedirectUrl(request); 080 request.getSession().setAttribute(REDIRECT_URL, redirectUrl); 081 return getLoginURL(redirectUrl); 082 } 083 084 @Override 085 public String getLogoutURL(HttpServletRequest request) { 086 return getLogoutURL((String) request.getSession().getAttribute(REDIRECT_URL)); 087 } 088 089 @Override 090 public String getUserID(HttpServletRequest httpRequest) { 091 String idpUrl = httpRequest.getHeader(config.getIdpHeader()); 092 String uidHeader = config.getUidHeaders().get(idpUrl); 093 if (uidHeader == null || readHeader(httpRequest, uidHeader) == null 094 || readHeader(httpRequest, uidHeader).isEmpty()) { 095 uidHeader = config.getDefaultUidHeader(); 096 } 097 return readHeader(httpRequest, uidHeader); 098 } 099 100 @Override 101 public Map<String, Object> getUserMetadata(String userIdField, HttpServletRequest httpRequest) { 102 Map<String, Object> fieldMap = new HashMap<String, Object>(config.fieldMapping.size()); 103 for (String key : config.getFieldMapping().keySet()) { 104 fieldMap.put(config.getFieldMapping().get(key), readHeader(httpRequest, key)); 105 } 106 // Force userIdField to shibb userId value in case of the IdP do 107 // not use the same mapping as the default's one. 108 fieldMap.put(userIdField, getUserID(httpRequest)); 109 return fieldMap; 110 } 111 112 @Override 113 public BiMap<String, String> getUserMetadata() { 114 BiMap<String, String> biMap = HashBiMap.create(); 115 biMap.putAll(config.getFieldMapping()); 116 return biMap; 117 } 118 119 protected String readHeader(HttpServletRequest request, String key) { 120 String value = request.getHeader(key); 121 if (isNotEmpty(value) && isNotEmpty(config.getHeaderEncoding())) { 122 try { 123 value = new String(value.getBytes("ISO-8859-1"), config.getHeaderEncoding()); 124 } catch (UnsupportedEncodingException ignored) { 125 // Nothing 126 } 127 } 128 return value; 129 } 130}