001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/enterprise/control/RequestUser.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036
037 // $Id: RequestUser.java 18195 2009-06-18 15:55:39Z mschneider $
038 package org.deegree.enterprise.control;
039
040 // JDK 1.3
041 import java.lang.reflect.InvocationTargetException;
042 import java.lang.reflect.Method;
043 import java.util.Properties;
044
045 import javax.servlet.http.HttpServletRequest;
046
047 /**
048 * Encapsulates all client information.
049 * <P>
050 *
051 * @author <a href="mailto:friebe@gmx.net">Torsten Friebe</a>
052 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
053 *
054 * @version $Revision: 18195 $ $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
055 */
056 class RequestUser {
057 private Properties userData;
058
059 /**
060 * Creates an empty object.
061 */
062 protected RequestUser() {
063 this.userData = new Properties();
064 }
065
066 /**
067 * Creates a request user object with client information retrieved out of the request object.
068 *
069 * @param request
070 * the request object containing user and client data
071 */
072 public RequestUser( HttpServletRequest request ) {
073 this.userData = new Properties();
074 this.parseRequest( request );
075 }
076
077 /**
078 *
079 * @return Remote user
080 */
081 public String getRemoteUser() {
082 return this.userData.getProperty( "RemoteUser" );
083 }
084
085 /**
086 * @return Remote address
087 */
088 public String getRemoteAddr() {
089 return this.userData.getProperty( "RemoteAddr" );
090 }
091
092 /**
093 * @return Remote host
094 */
095 public String getRemoteHost() {
096 return this.userData.getProperty( "RemoteHost" );
097 }
098
099 /**
100 * @return Authorization scheme
101 */
102 public String getAuthType() {
103 return this.userData.getProperty( "AuthType" );
104 }
105
106 /**
107 * @return the user principal
108 */
109 public String getUserPrincipal() {
110 Object _obj = userData.get( "UserPrincipal" );
111
112 if ( _obj instanceof java.security.Principal ) {
113 java.security.Principal _principal = (java.security.Principal) _obj;
114 return _principal.getName();
115 } else if ( _obj instanceof String ) {
116 return (String) _obj;
117 }
118
119 return _obj.toString();
120 }
121
122 /**
123 * Parse request object for user specific attributes.
124 *
125 * @param request
126 * to parse
127 */
128 protected void parseRequest( HttpServletRequest request ) {
129 try {
130 this.userData.setProperty( "RemoteUser", (String) getRequestValue( request, "getRemoteUser", "[unknown]" ) );
131
132 this.userData.setProperty( "RemoteAddr", (String) getRequestValue( request, "getRemoteAddr", "[unknown]" ) );
133
134 this.userData.setProperty( "RemoteHost", (String) getRequestValue( request, "getRemoteHost", "[unknown]" ) );
135
136 this.userData.setProperty( "AuthType", (String) getRequestValue( request, "getAuthType", "[unknown]" ) );
137
138 this.userData.put( "UserPrincipal", getRequestValue( request, "getUserPrincipal", "[unknown]" ) );
139 } catch ( Exception ex ) {
140 ex.printStackTrace();
141 }
142 }
143
144 /**
145 *
146 *
147 * @param request
148 * @param methodName
149 * @param defaultValue
150 *
151 * @return the value of a request or if the request is null, the methodName is null or empty, <code>null</code>
152 * will be returned.
153 *
154 * @throws NoSuchMethodException
155 * @throws InvocationTargetException
156 * @throws IllegalAccessException
157 */
158 protected Object getRequestValue( HttpServletRequest request, String methodName, Object defaultValue )
159 throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
160 if ( ( request != null ) && ( methodName != null ) && !methodName.equals( "" ) ) {
161 // System.err.println( "looking for :" + methodName );
162 // use refection for method
163 Method _objmethod = request.getClass().getMethod( methodName, new Class[] {} );
164
165 // System.err.println( "got :" + _objmethod.getName() );
166 // get the result of the method invocation
167 Object _result = _objmethod.invoke( request, new Object[] {} );
168
169 // System.err.println( "returns :" + _result );
170 if ( _result != null ) {
171 return _result;
172 }
173 return defaultValue;
174 }
175
176 return null;
177 }
178 }