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