001 //$HeadURL$
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 package org.deegree.security;
037
038 import java.net.URL;
039 import java.util.Map;
040
041 import javax.servlet.http.HttpServletRequest;
042
043 import org.deegree.framework.log.ILogger;
044 import org.deegree.framework.log.LoggerFactory;
045 import org.deegree.framework.xml.NamespaceContext;
046 import org.deegree.framework.xml.XMLFragment;
047 import org.deegree.framework.xml.XMLTools;
048 import org.deegree.i18n.Messages;
049 import org.deegree.ogcbase.CommonNamespaces;
050 import org.deegree.security.drm.SecurityAccessManager;
051 import org.deegree.security.drm.WrongCredentialsException;
052 import org.deegree.security.drm.model.User;
053 import org.w3c.dom.Document;
054
055 /**
056 *
057 *
058 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
059 * @author last edited by: $Author: poth $
060 *
061 * @version $Revision: 6251 $, $Date: 2007-03-19 16:59:28 +0100 (Mo, 19 Mrz 2007) $
062 */
063 public class WASAuthentication extends AbstractAuthentication {
064
065 private static final ILogger LOG = LoggerFactory.getLogger( WASAuthentication.class );
066
067 private static final NamespaceContext nsContext = CommonNamespaces.getNamespaceContext();
068
069 protected static final String AUTH_PARAM_SESSIONID = "SESSIONID";
070
071 protected static final String INIT_PARAM_WAS = "WAS";
072
073 protected static final String INIT_PARAM_BASEREQUEST = "WAS";
074
075 /**
076 *
077 * @param authenticationName
078 * @param initParams
079 */
080 public WASAuthentication( String authenticationName, Map<String, String> initParams ) {
081 super( authenticationName, initParams );
082 }
083
084 /*
085 * (non-Javadoc)
086 *
087 * @see org.deegree.security.AbstractAuthentication#authenticate(java.util.Map,
088 * javax.servlet.http.HttpServletRequest)
089 */
090 public User authenticate( Map<String, String> params, HttpServletRequest request )
091 throws WrongCredentialsException {
092 String sessionID = params.get( AUTH_PARAM_SESSIONID );
093 User usr = null;
094 if ( sessionID != null ) {
095 String[] user = new String[3];
096 String urlStr = initParams.get( INIT_PARAM_WAS );
097 urlStr = urlStr.replaceFirst( "\\[SESSIONID\\]", sessionID );
098 LOG.logDebug( "request WAS for user information: " + urlStr );
099 Document doc = null;
100 try {
101 URL url = new URL( urlStr );
102 XMLFragment xml = new XMLFragment( url );
103 doc = xml.getRootElement().getOwnerDocument();
104 user[0] = XMLTools.getNodeAsString( doc, "/User/UserName", nsContext, null );
105 user[1] = XMLTools.getNodeAsString( doc, "/User/Password", nsContext, null );
106 } catch ( Exception e ) {
107 LOG.logError( e.getMessage(), e );
108 throw new WrongCredentialsException( Messages.getMessage( "OWSProxyServletFilter.WASACCESS" ) );
109 }
110
111 if ( user[0] != null ) {
112 try {
113 SecurityAccessManager sam = SecurityAccessManager.getInstance();
114 usr = sam.getUserByName( user[0] );
115 usr.authenticate( user[1] );
116 } catch ( Exception e ) {
117 throw new WrongCredentialsException( Messages.getMessage( "OWSPROXY_USER_AUTH_ERROR", user[0] ) );
118 }
119 } else {
120 String msg = "undefined error";
121 try {
122 msg = XMLTools.getNodeAsString( doc, "//ServiceException", nsContext, "general error" );
123 } catch ( Exception e ) {
124 // should never happen
125 }
126 throw new WrongCredentialsException( msg );
127 }
128 }
129
130 return usr;
131 }
132
133
134
135 }