001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/enterprise/control/RequestUser.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstr. 19
030 53115 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042
043 ---------------------------------------------------------------------------*/
044
045 // $Id: RequestUser.java 9338 2007-12-27 12:31:31Z apoth $
046 package org.deegree.enterprise.control;
047
048 // JDK 1.3
049 import java.lang.reflect.InvocationTargetException;
050 import java.lang.reflect.Method;
051 import java.util.Properties;
052
053 import javax.servlet.http.HttpServletRequest;
054
055
056 /**
057 * Encapsulates all client information.<P>
058 *
059 * @author <a href="mailto:friebe@gmx.net">Torsten Friebe</a>
060 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
061 *
062 * @version $Revision: 9338 $ $Date: 2007-12-27 13:31:31 +0100 (Do, 27 Dez 2007) $
063 */
064 class RequestUser {
065 private Properties userData;
066
067 /**
068 * Creates an empty object.
069 */
070 protected RequestUser() {
071 this.userData = new Properties();
072 }
073
074 /**
075 * Creates a request user object with client information retrieved out
076 * of the request object.
077 *
078 * @param request the request object containing user and client data
079 */
080 public RequestUser( HttpServletRequest request ) {
081 this.userData = new Properties();
082 this.parseRequest( request );
083 }
084
085 /**
086 * Remote user
087 */
088 public String getRemoteUser() {
089 return this.userData.getProperty( "RemoteUser" );
090 }
091
092 /**
093 * Remote address
094 */
095 public String getRemoteAddr() {
096 return this.userData.getProperty( "RemoteAddr" );
097 }
098
099 /**
100 * Remote host
101 */
102 public String getRemoteHost() {
103 return this.userData.getProperty( "RemoteHost" );
104 }
105
106 /**
107 * Authorization scheme
108 */
109 public String getAuthType() {
110 return this.userData.getProperty( "AuthType" );
111 }
112
113 /**
114 * Authenticated user
115 */
116 public String getUserPrincipal() {
117 Object _obj = userData.get( "UserPrincipal" );
118
119 if ( _obj instanceof java.security.Principal ) {
120 java.security.Principal _principal = (java.security.Principal)_obj;
121 return _principal.getName();
122 } else if ( _obj instanceof String ) {
123 return (String)_obj;
124 }
125
126 return _obj.toString();
127 }
128
129 /**
130 * Parse request object for user specific attributes.
131 */
132 protected void parseRequest( HttpServletRequest request ) {
133 try {
134 this.userData.setProperty( "RemoteUser",
135 (String)getRequestValue( request, "getRemoteUser",
136 "[unknown]" ) );
137
138 this.userData.setProperty( "RemoteAddr",
139 (String)getRequestValue( request, "getRemoteAddr",
140 "[unknown]" ) );
141
142 this.userData.setProperty( "RemoteHost",
143 (String)getRequestValue( request, "getRemoteHost",
144 "[unknown]" ) );
145
146 this.userData.setProperty( "AuthType",
147 (String)getRequestValue( request, "getAuthType", "[unknown]" ) );
148
149 this.userData.put( "UserPrincipal",
150 getRequestValue( request, "getUserPrincipal", "[unknown]" ) );
151 } catch ( Exception ex ) {
152 ex.printStackTrace();
153 }
154 }
155
156 /**
157 *
158 *
159 * @param request
160 * @param methodName
161 * @param defaultValue
162 *
163 * @return
164 *
165 * @throws NoSuchMethodException
166 * @throws InvocationTargetException
167 * @throws IllegalAccessException
168 */
169 protected Object getRequestValue( HttpServletRequest request, String methodName,
170 Object defaultValue ) throws NoSuchMethodException,
171 InvocationTargetException,
172 IllegalAccessException {
173 if ( ( request != null ) && ( methodName != null ) && !methodName.equals( "" ) ) {
174 // System.err.println( "looking for :" + methodName );
175 // use refection for method
176 Method _objmethod = request.getClass().getMethod( methodName, new Class[]{});
177
178 // System.err.println( "got :" + _objmethod.getName() );
179 // get the result of the method invocation
180 Object _result = _objmethod.invoke( request, new Object[] {} );
181
182 // System.err.println( "returns :" + _result );
183 if ( _result != null ) {
184 return _result;
185 }
186 return defaultValue;
187 }
188
189 return null;
190 }
191 }