001: /**
002: * JOnAS: Java(TM) Open Application Server
003: * Copyright (C) 1999-2004 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: * Initial developer: Florent BENOIT
022: * --------------------------------------------------------------------------
023: * $Id: PolicyProvider.java 5102 2004-07-08 13:59:02Z benoitf $
024: * --------------------------------------------------------------------------
025: */package org.objectweb.jonas.security;
026:
027: import org.objectweb.jonas_lib.security.jacc.JPolicy;
028:
029: import org.objectweb.jonas.common.Log;
030:
031: import org.objectweb.util.monolog.api.BasicLevel;
032: import org.objectweb.util.monolog.api.Logger;
033:
034: /**
035: * Helper class for initializing the JACC provider
036: * @author Florent Benoit
037: */
038: public class PolicyProvider {
039:
040: /**
041: * Only internal constructor, as it is an utility class
042: */
043: private PolicyProvider() {
044:
045: }
046:
047: /**
048: * Logger which is used
049: */
050: private static Logger logger = null;
051:
052: /**
053: * Init the JACC configuration
054: * Defines in JACC Section 2
055: * @throws SecurityException if JACC policy provider can not be set
056: */
057: public static void init() throws SecurityException {
058:
059: if (logger == null) {
060: logger = Log.getLogger(Log.JONAS_SECURITY_PREFIX);
061: }
062:
063: // Check if we have to use an existing policy provider
064: // Section 2.7
065:
066: String javaPolicy = System
067: .getProperty("javax.security.jacc.policy.provider");
068:
069: if (javaPolicy != null) {
070: try {
071: java.security.Policy
072: .setPolicy((java.security.Policy) Class
073: .forName(javaPolicy).newInstance());
074: } catch (ClassNotFoundException cnfe) {
075: // problem with property value of classpath
076: throw new SecurityException(cnfe.getMessage());
077: } catch (IllegalAccessException iae) {
078: // problem with policy class definition
079: throw new SecurityException(iae.getMessage());
080: } catch (InstantiationException ie) {
081: // problem with policy instantiation
082: throw new SecurityException(ie.getMessage());
083: } catch (ClassCastException cce) {
084: // Not instance of java.security.policy
085: throw new SecurityException(cce.getMessage());
086: }
087: logger.log(BasicLevel.INFO, "Using policy provider '"
088: + javaPolicy + "'");
089: }
090:
091: // Defines the JOnAS JACC provider if no provider is already defined
092: // Section 2.3
093: String jaccFactoryProvider = System
094: .getProperty("javax.security.jacc.PolicyConfigurationFactory.provider");
095: if (jaccFactoryProvider == null) {
096: logger
097: .log(BasicLevel.INFO,
098: "Using JOnAS PolicyConfigurationFactory provider and JOnAS Policy provider");
099: System
100: .setProperty(
101: "javax.security.jacc.PolicyConfigurationFactory.provider",
102: "org.objectweb.jonas_lib.security.jacc.PolicyConfigurationFactoryWrapper");
103: // Add the JOnAS delegating policy provider
104: java.security.Policy.setPolicy(JPolicy.getInstance());
105: } else {
106: logger.log(BasicLevel.INFO, "Using factory '"
107: + jaccFactoryProvider
108: + "' as PolicyConfigurationFactory provider");
109: }
110:
111: // TODO : Register Context Handler
112:
113: }
114:
115: }
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