Source Code Cross Referenced for SRPCacheInterceptor.java in  » EJB-Server-JBoss-4.2.1 » testsuite » org » jboss » test » security » interceptors » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » testsuite » org.jboss.test.security.interceptors 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * JBoss, Home of Professional Open Source.
003:         * Copyright 2006, Red Hat Middleware LLC, and individual contributors
004:         * as indicated by the @author tags. See the copyright.txt file in the
005:         * distribution for a full listing of individual contributors.
006:         *
007:         * This is free software; you can redistribute it and/or modify it
008:         * under the terms of the GNU Lesser General Public License as
009:         * published by the Free Software Foundation; either version 2.1 of
010:         * the License, or (at your option) any later version.
011:         *
012:         * This software is distributed in the hope that it will be useful,
013:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
014:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015:         * Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public
018:         * License along with this software; if not, write to the Free
019:         * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
021:         */
022:        package org.jboss.test.security.interceptors;
023:
024:        import java.security.Principal;
025:        import java.util.Arrays;
026:        import javax.naming.InitialContext;
027:        import javax.management.MBeanInfo;
028:
029:        import org.jboss.mx.interceptor.AbstractInterceptor;
030:        import org.jboss.mx.server.MBeanInvoker;
031:        import org.jboss.mx.server.Invocation;
032:        import org.jboss.logging.Logger;
033:        import org.jboss.security.srp.SRPSessionKey;
034:        import org.jboss.security.srp.SRPServerSession;
035:        import org.jboss.security.srp.jaas.SRPPrincipal;
036:        import org.jboss.util.CachePolicy;
037:
038:        /** An interceptor that validates that the calling context has a valid SRP session
039:         *
040:         * @author Scott.Stark@jboss.org
041:         * @version $Revision: 57211 $
042:         */
043:        public class SRPCacheInterceptor extends AbstractInterceptor {
044:            private static Logger log = Logger
045:                    .getLogger(SRPCacheInterceptor.class);
046:            private String cacheJndiName;
047:
048:            public SRPCacheInterceptor() {
049:                super ("SRPCacheInterceptor");
050:            }
051:
052:            public void setAuthenticationCacheJndiName(String cacheJndiName) {
053:                this .cacheJndiName = cacheJndiName;
054:            }
055:
056:            // Interceptor overrides -----------------------------------------
057:            public Object invoke(Invocation invocation) throws Throwable {
058:                String opName = invocation.getName();
059:                log.info("invoke, opName=" + opName);
060:                if (opName == null || opName.equals("testSession") == false) {
061:                    Object value = invocation.nextInterceptor().invoke(
062:                            invocation);
063:                    return value;
064:                }
065:
066:                Object[] args = invocation.getArgs();
067:                Principal userPrincipal = (Principal) args[0];
068:                String username = userPrincipal.getName();
069:                byte[] clientChallenge = (byte[]) args[1];
070:
071:                try {
072:                    InitialContext iniCtx = new InitialContext();
073:                    CachePolicy cache = (CachePolicy) iniCtx
074:                            .lookup(cacheJndiName);
075:                    SRPSessionKey key;
076:                    if (userPrincipal instanceof  SRPPrincipal) {
077:                        SRPPrincipal srpPrincpal = (SRPPrincipal) userPrincipal;
078:                        key = new SRPSessionKey(username, srpPrincpal
079:                                .getSessionID());
080:                    } else {
081:                        key = new SRPSessionKey(username);
082:                    }
083:                    Object cacheCredential = cache.get(key);
084:                    if (cacheCredential == null) {
085:                        throw new SecurityException(
086:                                "No SRP session found for: " + key);
087:                    }
088:                    log.debug("Found SRP cache credential: " + cacheCredential);
089:                    /** The cache object should be the SRPServerSession object used in the
090:                     authentication of the client.
091:                     */
092:                    if (cacheCredential instanceof  SRPServerSession) {
093:                        SRPServerSession session = (SRPServerSession) cacheCredential;
094:                        byte[] challenge = session.getClientResponse();
095:                        boolean isValid = Arrays.equals(challenge,
096:                                clientChallenge);
097:                        if (isValid == false)
098:                            throw new SecurityException(
099:                                    "Failed to validate SRP session key for: "
100:                                            + key);
101:                    } else {
102:                        throw new SecurityException(
103:                                "Unknown type of cache credential: "
104:                                        + cacheCredential.getClass());
105:                    }
106:                    log.debug("Validated SRP cache credential for: " + key);
107:                } catch (Exception e) {
108:                    log.error("Invocation failed", e);
109:                    throw e;
110:                }
111:
112:                Object value = invocation.nextInterceptor().invoke(invocation);
113:                return value;
114:            }
115:        }
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