Source Code Cross Referenced for SecurityActions.java in  » EJB-Server-JBoss-4.2.1 » server » org » jboss » ejb » plugins » 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 » server » org.jboss.ejb.plugins 
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.ejb.plugins;
023:
024:        import java.security.PrivilegedAction;
025:        import java.security.PrivilegedExceptionAction;
026:        import java.security.Principal;
027:        import java.security.AccessController;
028:        import java.security.PrivilegedActionException;
029:        import java.lang.reflect.UndeclaredThrowableException;
030:
031:        import javax.security.auth.Subject;
032:        import javax.security.jacc.PolicyContext;
033:        import javax.security.jacc.PolicyContextException;
034:
035:        import org.jboss.security.SecurityAssociation;
036:        import org.jboss.security.RunAsIdentity;
037:
038:        /** A collection of privileged actions for this package
039:         * @author Scott.Stark@jboss.org
040:         * @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
041:         * @author Anil.Saldhana@jboss.org
042:         * @version $Revison: $
043:         */
044:        class SecurityActions {
045:            interface PrincipalInfoAction {
046:                PrincipalInfoAction PRIVILEGED = new PrincipalInfoAction() {
047:                    public void push(final Principal principal,
048:                            final Object credential, final Subject subject) {
049:                        AccessController.doPrivileged(new PrivilegedAction() {
050:                            public Object run() {
051:                                SecurityAssociation.pushSubjectContext(subject,
052:                                        principal, credential);
053:                                return null;
054:                            }
055:                        });
056:                    }
057:
058:                    public void dup() {
059:                        AccessController.doPrivileged(new PrivilegedAction() {
060:                            public Object run() {
061:                                SecurityAssociation.dupSubjectContext();
062:                                return null;
063:                            }
064:                        });
065:                    }
066:
067:                    public void pop() {
068:                        AccessController.doPrivileged(new PrivilegedAction() {
069:                            public Object run() {
070:                                SecurityAssociation.popSubjectContext();
071:                                return null;
072:                            }
073:                        });
074:                    }
075:                };
076:
077:                PrincipalInfoAction NON_PRIVILEGED = new PrincipalInfoAction() {
078:                    public void push(Principal principal, Object credential,
079:                            Subject subject) {
080:                        SecurityAssociation.pushSubjectContext(subject,
081:                                principal, credential);
082:                    }
083:
084:                    public void dup() {
085:                        SecurityAssociation.dupSubjectContext();
086:                    }
087:
088:                    public void pop() {
089:                        SecurityAssociation.popSubjectContext();
090:                    }
091:                };
092:
093:                void push(Principal principal, Object credential,
094:                        Subject subject);
095:
096:                void dup();
097:
098:                void pop();
099:            }
100:
101:            interface RunAsIdentityActions {
102:                RunAsIdentityActions PRIVILEGED = new RunAsIdentityActions() {
103:                    private final PrivilegedAction peekAction = new PrivilegedAction() {
104:                        public Object run() {
105:                            return SecurityAssociation.peekRunAsIdentity();
106:                        }
107:                    };
108:
109:                    private final PrivilegedAction popAction = new PrivilegedAction() {
110:                        public Object run() {
111:                            return SecurityAssociation.popRunAsIdentity();
112:                        }
113:                    };
114:
115:                    public RunAsIdentity peek() {
116:                        return (RunAsIdentity) AccessController
117:                                .doPrivileged(peekAction);
118:                    }
119:
120:                    public RunAsIdentity peek(final int depth) {
121:                        return (RunAsIdentity) AccessController
122:                                .doPrivileged(new PrivilegedAction() {
123:
124:                                    public Object run() {
125:                                        return SecurityAssociation
126:                                                .peekRunAsIdentity(depth);
127:                                    }
128:                                });
129:                    }
130:
131:                    public void push(final RunAsIdentity id) {
132:                        AccessController.doPrivileged(new PrivilegedAction() {
133:                            public Object run() {
134:                                SecurityAssociation.pushRunAsIdentity(id);
135:                                return null;
136:                            }
137:                        });
138:                    }
139:
140:                    public RunAsIdentity pop() {
141:                        return (RunAsIdentity) AccessController
142:                                .doPrivileged(popAction);
143:                    }
144:                };
145:
146:                RunAsIdentityActions NON_PRIVILEGED = new RunAsIdentityActions() {
147:                    public RunAsIdentity peek() {
148:                        return SecurityAssociation.peekRunAsIdentity();
149:                    }
150:
151:                    public RunAsIdentity peek(int depth) {
152:                        return SecurityAssociation.peekRunAsIdentity(depth);
153:                    }
154:
155:                    public void push(RunAsIdentity id) {
156:                        SecurityAssociation.pushRunAsIdentity(id);
157:                    }
158:
159:                    public RunAsIdentity pop() {
160:                        return SecurityAssociation.popRunAsIdentity();
161:                    }
162:                };
163:
164:                RunAsIdentity peek();
165:
166:                RunAsIdentity peek(int depth);
167:
168:                void push(RunAsIdentity id);
169:
170:                RunAsIdentity pop();
171:            }
172:
173:            interface ContextInfoActions {
174:                static final String EX_KEY = "org.jboss.security.exception";
175:                ContextInfoActions PRIVILEGED = new ContextInfoActions() {
176:                    private final PrivilegedAction exAction = new PrivilegedAction() {
177:                        public Object run() {
178:                            return SecurityAssociation.getContextInfo(EX_KEY);
179:                        }
180:                    };
181:
182:                    public Exception getContextException() {
183:                        return (Exception) AccessController
184:                                .doPrivileged(exAction);
185:                    }
186:                };
187:
188:                ContextInfoActions NON_PRIVILEGED = new ContextInfoActions() {
189:                    public Exception getContextException() {
190:                        return (Exception) SecurityAssociation
191:                                .getContextInfo(EX_KEY);
192:                    }
193:                };
194:
195:                Exception getContextException();
196:            }
197:
198:            interface PolicyContextActions {
199:                /** The JACC PolicyContext key for the current Subject */
200:                static final String SUBJECT_CONTEXT_KEY = "javax.security.auth.Subject.container";
201:                PolicyContextActions PRIVILEGED = new PolicyContextActions() {
202:                    private final PrivilegedExceptionAction exAction = new PrivilegedExceptionAction() {
203:                        public Object run() throws Exception {
204:                            return (Subject) PolicyContext
205:                                    .getContext(SUBJECT_CONTEXT_KEY);
206:                        }
207:                    };
208:
209:                    public Subject getContextSubject()
210:                            throws PolicyContextException {
211:                        try {
212:                            return (Subject) AccessController
213:                                    .doPrivileged(exAction);
214:                        } catch (PrivilegedActionException e) {
215:                            Exception ex = e.getException();
216:                            if (ex instanceof  PolicyContextException)
217:                                throw (PolicyContextException) ex;
218:                            else
219:                                throw new UndeclaredThrowableException(ex);
220:                        }
221:                    }
222:                };
223:
224:                PolicyContextActions NON_PRIVILEGED = new PolicyContextActions() {
225:                    public Subject getContextSubject()
226:                            throws PolicyContextException {
227:                        return (Subject) PolicyContext
228:                                .getContext(SUBJECT_CONTEXT_KEY);
229:                    }
230:                };
231:
232:                Subject getContextSubject() throws PolicyContextException;
233:            }
234:
235:            static ClassLoader getContextClassLoader() {
236:                return TCLAction.UTIL.getContextClassLoader();
237:            }
238:
239:            static void setContextClassLoader(ClassLoader loader) {
240:                TCLAction.UTIL.setContextClassLoader(loader);
241:            }
242:
243:            static void pushSubjectContext(Principal principal,
244:                    Object credential, Subject subject) {
245:                if (System.getSecurityManager() == null) {
246:                    PrincipalInfoAction.NON_PRIVILEGED.push(principal,
247:                            credential, subject);
248:                } else {
249:                    PrincipalInfoAction.PRIVILEGED.push(principal, credential,
250:                            subject);
251:                }
252:            }
253:
254:            static void dupSubjectContext() {
255:                if (System.getSecurityManager() == null) {
256:                    PrincipalInfoAction.NON_PRIVILEGED.dup();
257:                } else {
258:                    PrincipalInfoAction.PRIVILEGED.dup();
259:                }
260:            }
261:
262:            static void popSubjectContext() {
263:                if (System.getSecurityManager() == null) {
264:                    PrincipalInfoAction.NON_PRIVILEGED.pop();
265:                } else {
266:                    PrincipalInfoAction.PRIVILEGED.pop();
267:                }
268:            }
269:
270:            static RunAsIdentity peekRunAsIdentity() {
271:                if (System.getSecurityManager() == null) {
272:                    return RunAsIdentityActions.NON_PRIVILEGED.peek();
273:                } else {
274:                    return RunAsIdentityActions.PRIVILEGED.peek();
275:                }
276:            }
277:
278:            static RunAsIdentity peekRunAsIdentity(int depth) {
279:                if (System.getSecurityManager() == null) {
280:                    return RunAsIdentityActions.NON_PRIVILEGED.peek(depth);
281:                } else {
282:                    return RunAsIdentityActions.PRIVILEGED.peek(depth);
283:                }
284:            }
285:
286:            static void pushRunAsIdentity(RunAsIdentity principal) {
287:                if (System.getSecurityManager() == null) {
288:                    RunAsIdentityActions.NON_PRIVILEGED.push(principal);
289:                } else {
290:                    RunAsIdentityActions.PRIVILEGED.push(principal);
291:                }
292:            }
293:
294:            static RunAsIdentity popRunAsIdentity() {
295:                if (System.getSecurityManager() == null) {
296:                    return RunAsIdentityActions.NON_PRIVILEGED.pop();
297:                } else {
298:                    return RunAsIdentityActions.PRIVILEGED.pop();
299:                }
300:            }
301:
302:            static Exception getContextException() {
303:                if (System.getSecurityManager() == null) {
304:                    return ContextInfoActions.NON_PRIVILEGED
305:                            .getContextException();
306:                } else {
307:                    return ContextInfoActions.PRIVILEGED.getContextException();
308:                }
309:            }
310:
311:            static Subject getContextSubject() throws PolicyContextException {
312:                if (System.getSecurityManager() == null) {
313:                    return PolicyContextActions.NON_PRIVILEGED
314:                            .getContextSubject();
315:                } else {
316:                    return PolicyContextActions.PRIVILEGED.getContextSubject();
317:                }
318:            }
319:
320:            interface TCLAction {
321:                class UTIL {
322:                    static TCLAction getTCLAction() {
323:                        return System.getSecurityManager() == null ? NON_PRIVILEGED
324:                                : PRIVILEGED;
325:                    }
326:
327:                    static ClassLoader getContextClassLoader() {
328:                        return getTCLAction().getContextClassLoader();
329:                    }
330:
331:                    static ClassLoader getContextClassLoader(Thread thread) {
332:                        return getTCLAction().getContextClassLoader(thread);
333:                    }
334:
335:                    static void setContextClassLoader(ClassLoader cl) {
336:                        getTCLAction().setContextClassLoader(cl);
337:                    }
338:
339:                    static void setContextClassLoader(Thread thread,
340:                            ClassLoader cl) {
341:                        getTCLAction().setContextClassLoader(thread, cl);
342:                    }
343:                }
344:
345:                TCLAction NON_PRIVILEGED = new TCLAction() {
346:                    public ClassLoader getContextClassLoader() {
347:                        return Thread.currentThread().getContextClassLoader();
348:                    }
349:
350:                    public ClassLoader getContextClassLoader(Thread thread) {
351:                        return thread.getContextClassLoader();
352:                    }
353:
354:                    public void setContextClassLoader(ClassLoader cl) {
355:                        Thread.currentThread().setContextClassLoader(cl);
356:                    }
357:
358:                    public void setContextClassLoader(Thread thread,
359:                            ClassLoader cl) {
360:                        thread.setContextClassLoader(cl);
361:                    }
362:                };
363:
364:                TCLAction PRIVILEGED = new TCLAction() {
365:                    private final PrivilegedAction getTCLPrivilegedAction = new PrivilegedAction() {
366:                        public Object run() {
367:                            return Thread.currentThread()
368:                                    .getContextClassLoader();
369:                        }
370:                    };
371:
372:                    public ClassLoader getContextClassLoader() {
373:                        return (ClassLoader) AccessController
374:                                .doPrivileged(getTCLPrivilegedAction);
375:                    }
376:
377:                    public ClassLoader getContextClassLoader(final Thread thread) {
378:                        return (ClassLoader) AccessController
379:                                .doPrivileged(new PrivilegedAction() {
380:                                    public Object run() {
381:                                        return thread.getContextClassLoader();
382:                                    }
383:                                });
384:                    }
385:
386:                    public void setContextClassLoader(final ClassLoader cl) {
387:                        AccessController.doPrivileged(new PrivilegedAction() {
388:                            public Object run() {
389:                                Thread.currentThread()
390:                                        .setContextClassLoader(cl);
391:                                return null;
392:                            }
393:                        });
394:                    }
395:
396:                    public void setContextClassLoader(final Thread thread,
397:                            final ClassLoader cl) {
398:                        AccessController.doPrivileged(new PrivilegedAction() {
399:                            public Object run() {
400:                                thread.setContextClassLoader(cl);
401:                                return null;
402:                            }
403:                        });
404:                    }
405:                };
406:
407:                ClassLoader getContextClassLoader();
408:
409:                ClassLoader getContextClassLoader(Thread thread);
410:
411:                void setContextClassLoader(ClassLoader cl);
412:
413:                void setContextClassLoader(Thread thread, ClassLoader cl);
414:            }
415:        }
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