Source Code Cross Referenced for Standard.java in  » J2EE » JOnAS-4.8.6 » org » objectweb » jonas » security » realm » web » catalina55 » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » JOnAS 4.8.6 » org.objectweb.jonas.security.realm.web.catalina55 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * JOnAS: Java(TM) Open Application Server
003:         * Copyright (C) 2004 Bull S.A.
004:         * Contact: jonas-team@objectweb.org
005:         *
006:         * This library is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU Lesser General Public
008:         * License as published by the Free Software Foundation; either
009:         * version 2.1 of the License, or any later version.
010:         *
011:         * This library is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         * Lesser General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU Lesser General Public
017:         * License along with this library; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
019:         * USA
020:         *
021:         * --------------------------------------------------------------------------
022:         * $Id: Standard.java 6661 2005-04-28 08:43:27Z benoitf $
023:         * --------------------------------------------------------------------------
024:         */package org.objectweb.jonas.security.realm.web.catalina55;
025:
026:        import java.security.Principal;
027:        import java.security.cert.X509Certificate;
028:        import java.util.ArrayList;
029:
030:        import org.apache.catalina.LifecycleException;
031:        import org.apache.catalina.realm.GenericPrincipal;
032:        import org.apache.catalina.realm.RealmBase;
033:
034:        import org.objectweb.jonas.common.Log;
035:        import org.objectweb.jonas.security.SecurityService;
036:        import org.objectweb.jonas.security.realm.factory.JResource;
037:        import org.objectweb.jonas.security.realm.factory.JResourceException;
038:        import org.objectweb.jonas.security.realm.principals.User;
039:        import org.objectweb.jonas.service.ServiceManager;
040:
041:        import org.objectweb.security.context.SecurityContext;
042:        import org.objectweb.security.context.SecurityCurrent;
043:
044:        import org.objectweb.util.monolog.api.BasicLevel;
045:        import org.objectweb.util.monolog.api.Logger;
046:
047:        /**
048:         * <p>
049:         * Implementation of a Realm. (by a wrapper) Use any JOnAS realm by specifying
050:         * the resource name
051:         *
052:         * @author Florent Benoit
053:         */
054:        public class Standard extends RealmBase {
055:
056:            /**
057:             * Descriptive information about this Realm implementation.
058:             */
059:            private static final String NAME = "JRealmCatalina50";
060:
061:            /**
062:             * Descriptive information about this Realm implementation.
063:             */
064:            private static final String INFO = "org.objectweb.jonas.security.realm.JRealmCatalina50/1.0";
065:
066:            /**
067:             * The logger used in JOnAS
068:             */
069:            private static Logger logger = null;
070:
071:            /**
072:             * The resource we will use to authenticate users and identify associated
073:             * roles.
074:             */
075:            private JResource jResource = null;
076:
077:            /**
078:             * The name of the resource
079:             */
080:            private String resourceName = null;
081:
082:            /**
083:             * Reference to the JOnAS security service
084:             */
085:            private SecurityService securityService = null;
086:
087:            /**
088:             * Return descriptive information about this Realm implementation and the
089:             * corresponding version number, in the format
090:             * <code>&lt;description&gt;/&lt;version&gt;</code>.
091:             *
092:             * @return the info.
093:             */
094:            public String getInfo() {
095:                return INFO;
096:            }
097:
098:            /**
099:             * Return the resource name we will be using.
100:             *
101:             * @return the resource name.
102:             */
103:            public String getResourceName() {
104:                return resourceName;
105:            }
106:
107:            /**
108:             * Set the resource name we will be using.
109:             *
110:             * @param resourceName The new resource name
111:             */
112:            public void setResourceName(String resourceName) {
113:                this .resourceName = resourceName;
114:
115:            }
116:
117:            /**
118:             * Return the Principal associated with the specified username and
119:             * credentials, if there is one; otherwise return <code>null</code>.
120:             *
121:             * @param username Username of the Principal to look up
122:             * @param credentials Password or other credentials to use in authenticating
123:             *        this username
124:             * @return the principal associated
125:             */
126:            public Principal authenticate(String username, String credentials) {
127:
128:                // No authentication can be made with a null username
129:                if (username == null) {
130:                    if (logger.isLoggable(BasicLevel.DEBUG)) {
131:                        logger.log(BasicLevel.DEBUG,
132:                                "No username so no authentication");
133:                    }
134:                    return null;
135:                }
136:
137:                // Does a user with this username exist?
138:                User user = null;
139:                try {
140:                    user = jResource.findUser(username);
141:                } catch (Exception jre) {
142:                    // could not retrieve user
143:                    logger.log(BasicLevel.ERROR, "Can not find the user : "
144:                            + jre.getMessage());
145:                    return null;
146:                }
147:
148:                // User was not found
149:                if (user == null) {
150:                    if (logger.isLoggable(BasicLevel.DEBUG)) {
151:                        logger.log(BasicLevel.DEBUG, "User " + username
152:                                + " not found.");
153:                    }
154:                    return null;
155:                }
156:
157:                boolean validated = jResource.isValidUser(user, credentials);
158:                if (!validated) {
159:                    logger.log(BasicLevel.ERROR, "The password for the user "
160:                            + username + " is not valid");
161:                    return null;
162:                }
163:
164:                ArrayList combinedRoles = null;
165:                try {
166:                    combinedRoles = jResource.getArrayListCombinedRoles(user);
167:                } catch (JResourceException jre) {
168:                    logger.log(BasicLevel.ERROR, jre.getMessage());
169:                    return null;
170:                }
171:
172:                GenericPrincipal principal = new GenericPrincipal(this , user
173:                        .getName(), user.getPassword(), combinedRoles);
174:                SecurityContext ctx = new SecurityContext(principal.getName(),
175:                        combinedRoles);
176:                SecurityCurrent current = SecurityCurrent.getCurrent();
177:                current.setSecurityContext(ctx);
178:
179:                return principal;
180:            }
181:
182:            /**
183:             * Return the Principal associated with the specified chain of X509 client
184:             * certificates. If there is none, return <code>null</code>.
185:             *
186:             * @param cert Array of client certificates, with the first one in the array
187:             *        being the certificate of the client itself.
188:             * @return the associated Principal
189:             */
190:            public Principal authenticate(X509Certificate[] cert) {
191:                String dn = cert[0].getSubjectDN().getName();
192:                return authenticate(dn, "tomcat");
193:            }
194:
195:            /**
196:             * Return a short name for this Realm implementation.
197:             *
198:             * @return the name
199:             */
200:            protected String getName() {
201:                return NAME;
202:            }
203:
204:            /**
205:             * Return the password associated with the given principal's user name.
206:             *
207:             * @param username the given principal's user name.
208:             * @return the password associated.
209:             */
210:            protected String getPassword(String username) {
211:                return null;
212:            }
213:
214:            /**
215:             * Return the Principal associated with the given user name.
216:             *
217:             * @param username the given principal's user name.
218:             * @return the Principal associated
219:             */
220:            protected Principal getPrincipal(String username) {
221:                return null;
222:            }
223:
224:            /**
225:             * Prepare for active use of the public methods of this Component.
226:             *
227:             * @exception LifecycleException if this component detects a fatal error
228:             *            that prevents it from being started
229:             */
230:            public synchronized void start() throws LifecycleException {
231:
232:                if (logger == null) {
233:                    logger = Log.getLogger(Log.JONAS_SECURITY_PREFIX);
234:                }
235:
236:                // Get the Security Service
237:                try {
238:                    securityService = (SecurityService) ServiceManager
239:                            .getInstance().getSecurityService();
240:                } catch (Exception e) {
241:                    // Can't retrieve Security service
242:                    throw new LifecycleException(
243:                            "can't retrieve Security service");
244:                }
245:
246:                // Get the resource from the security service
247:                jResource = securityService.getJResource(resourceName);
248:                if (jResource == null) {
249:                    throw new LifecycleException("Can't retrieve resource '"
250:                            + resourceName + "' from the security service");
251:                }
252:
253:                // Perform normal superclass initialization
254:                super .start();
255:
256:            }
257:
258:            /**
259:             * Gracefully shut down active use of the public methods of this Component.
260:             *
261:             * @exception LifecycleException if this component detects a fatal error
262:             *            that needs to be reported
263:             */
264:            public synchronized void stop() throws LifecycleException {
265:                // Perform normal superclass finalization
266:                super .stop();
267:
268:                // Release reference to our resource
269:                jResource = null;
270:            }
271:
272:            /**
273:             * Log a message on the Logger associated with our Container (if any)
274:             *
275:             * @param message Message to be logged
276:             */
277:            protected void log(String message) {
278:                if (logger.isLoggable(BasicLevel.DEBUG)) {
279:                    logger.log(BasicLevel.DEBUG, message);
280:                }
281:            }
282:
283:        }
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