Source Code Cross Referenced for NtServer.java in  » Groupware » LibreSource » org » esupportail » cas » server » handlers » nt » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Groupware » LibreSource » org.esupportail.cas.server.handlers.nt 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.esupportail.cas.server.handlers.nt;
002:
003:        import org.dom4j.Element;
004:        import org.esupportail.cas.server.util.RedundantHandler;
005:        import org.esupportail.cas.server.util.Server;
006:        import org.esupportail.cas.server.util.log.Log;
007:
008:        /**
009:         * This class implements a NIS (Network Information Service) server.
010:         *
011:         * @author Pascal Aubry <pascal.aubry at univ-rennes1.fr>
012:         */
013:        public final class NtServer extends Server {
014:
015:            /**
016:             * The server hostname or IP address.
017:             */
018:            private String host;
019:
020:            /**
021:             * Constructor.
022:             *
023:             * @param handlerDebug debugging mode of the handler
024:             * @param handler      the handler the server will be used by
025:             * @param serverElement the XML element that declares the server 
026:             * @throws Exception Exception
027:             */
028:            public NtServer(final Boolean handlerDebug,
029:                    final RedundantHandler handler, final Element serverElement)
030:                    throws Exception {
031:                super (handlerDebug, handler, serverElement);
032:                traceBegin();
033:
034:                host = getServerSubElementContent(serverElement, "host", true/*needed*/);
035:                trace("host = " + host);
036:
037:                Log
038:                        .warn("NtHandler is not implemented in this version; users will never be authenticted this way.");
039:
040:                traceEnd();
041:            }
042:
043:            /**
044:             * Try to authenticate a user (by searching into a NT domain).
045:             *
046:             * @param username the user's name
047:             * @param password the user's password
048:             *
049:             * @return Server.AUTHENTICATE_SUCCESS, Server.AUTHENTICATE_NOAUTH
050:             * or Server.AUTHENTICATE_FAILURE.
051:             */
052:            public int authenticate(final String username, final String password) {
053:                traceBegin();
054:                // TODO add Todd's code
055:                NtHandler handler = (NtHandler) getHandler();
056:
057:                // remove this later:
058:                traceEnd("AUTHENTICATE_FAILURE");
059:                return AUTHENTICATE_FAILURE;
060:
061:                // Todd, all the rest is the NIS authentication, maybe you can use it as a frame
062:                //
063:                //		String url = "nis://" + _host + "/" + handler.getDomain();
064:                //		String map = handler.getMap();
065:                //		
066:                //		try {
067:                //			trace("Connecting to the NIS domain...");
068:                //			Hashtable hashtable = new Hashtable(5, 0.75f);
069:                //			hashtable.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.nis.NISCtxFactory");
070:                //			hashtable.put(Context.PROVIDER_URL, url);
071:                //			hashtable.put(Context.SECURITY_AUTHENTICATION, "simple");
072:                //			InitialContext context = new InitialDirContext(hashtable);
073:                //			
074:                //			trace("Retrieving the information corresponding to the user...");
075:                //			String nisEntry = context.lookup("system/" + map + "/" + username).toString();
076:                //			
077:                //			// we've got all needed information, close the context
078:                //			context.close();
079:                //			
080:                //			trace("Username found, checking password (" + handler.getEncryption() + ")...");
081:                //			// extracting the encrypted password
082:                //			String[] nisFields = nisEntry.split(":");
083:                //			String nisEncryptedPassword = nisFields[1];
084:                //			
085:                //			// compare the passwords
086:                //			boolean match = Crypt.match(handler.getEncryption(),password, nisEncryptedPassword);
087:                //			
088:                //			if (Crypt.match(handler.getEncryption(),password, nisEncryptedPassword)) {
089:                //				trace("Password matches.");
090:                //				traceEnd("AUTHENTICATE_SUCCESS");
091:                //				return AUTHENTICATE_SUCCESS;
092:                //			} else {
093:                //				trace("Password does not match.");
094:                //				traceEnd("AUTHENTICATE_NOAUTH");
095:                //				return AUTHENTICATE_NOAUTH;
096:                //			}
097:                //		} catch (javax.naming.NoInitialContextException e) {
098:                //			warn(e.toString());
099:                //			warn("JNDI nis provider (nis.jar) is probably not installed");
100:                //			traceEnd("AUTHENTICATE_FAILURE");
101:                //			return AUTHENTICATE_FAILURE;
102:                //		} catch (javax.naming.ConfigurationException e) {
103:                //			warn("Bad NIS configuration: " + e.getMessage());
104:                //			traceEnd("AUTHENTICATE_FAILURE");
105:                //			return AUTHENTICATE_FAILURE;
106:                //		} catch (javax.naming.CommunicationException e) {
107:                //			warn("NIS server not responding.");
108:                //			traceEnd("AUTHENTICATE_FAILURE");
109:                //			return AUTHENTICATE_FAILURE;
110:                //		} catch (javax.naming.CannotProceedException e) {
111:                //			warn("Can not proceed: " + e.getMessage());
112:                //			traceEnd("AUTHENTICATE_NOAUTH");
113:                //			return AUTHENTICATE_NOAUTH;
114:                //		} catch (javax.naming.NameNotFoundException e) {
115:                //			trace("Username not found: " + e.getMessage());
116:                //			traceEnd("AUTHENTICATE_NOAUTH");
117:                //			return AUTHENTICATE_NOAUTH;
118:                //		} catch (Exception e) {
119:                //			warn("Failure: " + e.toString());
120:                //			traceEnd("AUTHENTICATE_FAILURE");
121:                //			return AUTHENTICATE_FAILURE;
122:                //		}
123:            }
124:
125:        }
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