Source Code Cross Referenced for SecurityActions.java in  » EJB-Server-JBoss-4.2.1 » aspects » org » jboss » aspects » security » 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 » aspects » org.jboss.aspects.security 
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.aspects.security;
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.logging.Logger;
036:        import org.jboss.security.SecurityAssociation;
037:        import org.jboss.security.RunAsIdentity;
038:
039:        /** A collection of privileged actions for this package
040:         * @author Scott.Stark@jboss.org
041:         * @author <a href="mailto:alex@jboss.org">Alexey Loubyansky</a>
042:         * @version $Revison: $
043:         */
044:        class SecurityActions {
045:            private static final Logger log = Logger
046:                    .getLogger(SecurityActions.class);
047:
048:            interface PrincipalInfoAction {
049:                PrincipalInfoAction PRIVILEGED = new PrincipalInfoAction() {
050:                    public void push(final Principal principal,
051:                            final Object credential, final Subject subject) {
052:                        AccessController.doPrivileged(new PrivilegedAction() {
053:                            public Object run() {
054:                                SecurityAssociation.pushSubjectContext(subject,
055:                                        principal, credential);
056:                                return null;
057:                            }
058:                        });
059:                    }
060:
061:                    public void pop() {
062:                        AccessController.doPrivileged(new PrivilegedAction() {
063:                            public Object run() {
064:                                SecurityAssociation.popSubjectContext();
065:                                return null;
066:                            }
067:                        });
068:                    }
069:
070:                    public Principal getPrincipal() {
071:                        return (Principal) AccessController
072:                                .doPrivileged(new PrivilegedAction() {
073:                                    public Object run() {
074:                                        return SecurityAssociation
075:                                                .getPrincipal();
076:                                    }
077:                                });
078:                    }
079:
080:                    public void setPrincipal(final Principal principal) {
081:                        AccessController.doPrivileged(new PrivilegedAction() {
082:                            public Object run() {
083:                                SecurityAssociation.setPrincipal(principal);
084:                                return null;
085:                            }
086:                        });
087:                    }
088:
089:                    public Principal getCallerPrincipal() {
090:                        return (Principal) AccessController
091:                                .doPrivileged(new PrivilegedAction() {
092:                                    public Object run() {
093:                                        return SecurityAssociation
094:                                                .getCallerPrincipal();
095:                                    }
096:                                });
097:                    }
098:
099:                    public Object getCredential() {
100:                        return AccessController
101:                                .doPrivileged(new PrivilegedAction() {
102:                                    public Object run() {
103:                                        return SecurityAssociation
104:                                                .getCredential();
105:                                    }
106:                                });
107:                    }
108:
109:                    public void setCredential(final Object credential) {
110:                        AccessController.doPrivileged(new PrivilegedAction() {
111:                            public Object run() {
112:                                SecurityAssociation.setCredential(credential);
113:                                return null;
114:                            }
115:                        });
116:                    }
117:                };
118:
119:                PrincipalInfoAction NON_PRIVILEGED = new PrincipalInfoAction() {
120:                    public void push(Principal principal, Object credential,
121:                            Subject subject) {
122:                        SecurityAssociation.pushSubjectContext(subject,
123:                                principal, credential);
124:                    }
125:
126:                    public void pop() {
127:                        SecurityAssociation.popSubjectContext();
128:                    }
129:
130:                    public Principal getPrincipal() {
131:                        return SecurityAssociation.getPrincipal();
132:                    }
133:
134:                    public void setPrincipal(Principal principal) {
135:                        SecurityAssociation.setPrincipal(principal);
136:                    }
137:
138:                    public Principal getCallerPrincipal() {
139:                        return SecurityAssociation.getPrincipal();
140:                    }
141:
142:                    public Object getCredential() {
143:                        return SecurityAssociation.getCredential();
144:                    }
145:
146:                    public void setCredential(Object credential) {
147:                        SecurityAssociation.setCredential(credential);
148:                    }
149:                };
150:
151:                void push(Principal principal, Object credential,
152:                        Subject subject);
153:
154:                void pop();
155:
156:                Principal getPrincipal();
157:
158:                void setPrincipal(Principal principal);
159:
160:                Principal getCallerPrincipal();
161:
162:                Object getCredential();
163:
164:                void setCredential(Object credential);
165:            }
166:
167:            interface RunAsIdentityActions {
168:                RunAsIdentityActions PRIVILEGED = new RunAsIdentityActions() {
169:                    private final PrivilegedAction peekAction = new PrivilegedAction() {
170:                        public Object run() {
171:                            return SecurityAssociation.peekRunAsIdentity();
172:                        }
173:                    };
174:
175:                    private final PrivilegedAction popAction = new PrivilegedAction() {
176:                        public Object run() {
177:                            return SecurityAssociation.popRunAsIdentity();
178:                        }
179:                    };
180:
181:                    public RunAsIdentity peek() {
182:                        return (RunAsIdentity) AccessController
183:                                .doPrivileged(peekAction);
184:                    }
185:
186:                    public void push(final RunAsIdentity id) {
187:                        AccessController.doPrivileged(new PrivilegedAction() {
188:                            public Object run() {
189:                                SecurityAssociation.pushRunAsIdentity(id);
190:                                return null;
191:                            }
192:                        });
193:                    }
194:
195:                    public RunAsIdentity pop() {
196:                        return (RunAsIdentity) AccessController
197:                                .doPrivileged(popAction);
198:                    }
199:                };
200:
201:                RunAsIdentityActions NON_PRIVILEGED = new RunAsIdentityActions() {
202:                    public RunAsIdentity peek() {
203:                        return SecurityAssociation.peekRunAsIdentity();
204:                    }
205:
206:                    public void push(RunAsIdentity id) {
207:                        SecurityAssociation.pushRunAsIdentity(id);
208:                    }
209:
210:                    public RunAsIdentity pop() {
211:                        return SecurityAssociation.popRunAsIdentity();
212:                    }
213:                };
214:
215:                RunAsIdentity peek();
216:
217:                void push(RunAsIdentity id);
218:
219:                RunAsIdentity pop();
220:            }
221:
222:            interface ContextInfoActions {
223:                static final String EX_KEY = "org.jboss.security.exception";
224:                ContextInfoActions PRIVILEGED = new ContextInfoActions() {
225:                    private final PrivilegedAction exAction = new PrivilegedAction() {
226:                        public Object run() {
227:                            return SecurityAssociation.getContextInfo(EX_KEY);
228:                        }
229:                    };
230:
231:                    public Exception getContextException() {
232:                        return (Exception) AccessController
233:                                .doPrivileged(exAction);
234:                    }
235:                };
236:
237:                ContextInfoActions NON_PRIVILEGED = new ContextInfoActions() {
238:                    public Exception getContextException() {
239:                        return (Exception) SecurityAssociation
240:                                .getContextInfo(EX_KEY);
241:                    }
242:                };
243:
244:                Exception getContextException();
245:            }
246:
247:            interface PolicyContextActions {
248:                /** The JACC PolicyContext key for the current Subject */
249:                static final String SUBJECT_CONTEXT_KEY = "javax.security.auth.Subject.container";
250:                PolicyContextActions PRIVILEGED = new PolicyContextActions() {
251:                    private final PrivilegedExceptionAction exAction = new PrivilegedExceptionAction() {
252:                        public Object run() throws Exception {
253:                            return (Subject) PolicyContext
254:                                    .getContext(SUBJECT_CONTEXT_KEY);
255:                        }
256:                    };
257:
258:                    public Subject getContextSubject()
259:                            throws PolicyContextException {
260:                        try {
261:                            return (Subject) AccessController
262:                                    .doPrivileged(exAction);
263:                        } catch (PrivilegedActionException e) {
264:                            Exception ex = e.getException();
265:                            if (ex instanceof  PolicyContextException)
266:                                throw (PolicyContextException) ex;
267:                            else
268:                                throw new UndeclaredThrowableException(ex);
269:                        }
270:                    }
271:                };
272:
273:                PolicyContextActions NON_PRIVILEGED = new PolicyContextActions() {
274:                    public Subject getContextSubject()
275:                            throws PolicyContextException {
276:                        return (Subject) PolicyContext
277:                                .getContext(SUBJECT_CONTEXT_KEY);
278:                    }
279:                };
280:
281:                Subject getContextSubject() throws PolicyContextException;
282:            }
283:
284:            static ClassLoader getContextClassLoader() {
285:                return TCLAction.UTIL.getContextClassLoader();
286:            }
287:
288:            static void setContextClassLoader(ClassLoader loader) {
289:                TCLAction.UTIL.setContextClassLoader(loader);
290:            }
291:
292:            static Principal getCallerPrincipal() {
293:                if (System.getSecurityManager() == null) {
294:                    return PrincipalInfoAction.NON_PRIVILEGED
295:                            .getCallerPrincipal();
296:                } else {
297:                    return PrincipalInfoAction.PRIVILEGED.getCallerPrincipal();
298:                }
299:            }
300:
301:            static Principal getPrincipal() {
302:                if (System.getSecurityManager() == null) {
303:                    return PrincipalInfoAction.NON_PRIVILEGED.getPrincipal();
304:                } else {
305:                    return PrincipalInfoAction.PRIVILEGED.getPrincipal();
306:                }
307:            }
308:
309:            static void setPrincipal(Principal principal) {
310:                if (System.getSecurityManager() == null) {
311:                    PrincipalInfoAction.NON_PRIVILEGED.setPrincipal(principal);
312:                } else {
313:                    PrincipalInfoAction.PRIVILEGED.setPrincipal(principal);
314:                }
315:            }
316:
317:            static Object getCredential() {
318:                if (System.getSecurityManager() == null) {
319:                    return PrincipalInfoAction.NON_PRIVILEGED.getCredential();
320:                } else {
321:                    return PrincipalInfoAction.PRIVILEGED.getCredential();
322:                }
323:            }
324:
325:            static void setCredential(Object credential) {
326:                if (System.getSecurityManager() == null) {
327:                    PrincipalInfoAction.NON_PRIVILEGED
328:                            .setCredential(credential);
329:                } else {
330:                    PrincipalInfoAction.PRIVILEGED.setCredential(credential);
331:                }
332:            }
333:
334:            static void pushSubjectContext(Principal principal,
335:                    Object credential, Subject subject) {
336:                if (System.getSecurityManager() == null) {
337:                    PrincipalInfoAction.NON_PRIVILEGED.push(principal,
338:                            credential, subject);
339:                } else {
340:                    PrincipalInfoAction.PRIVILEGED.push(principal, credential,
341:                            subject);
342:                }
343:            }
344:
345:            static void popSubjectContext() {
346:                if (System.getSecurityManager() == null) {
347:                    PrincipalInfoAction.NON_PRIVILEGED.pop();
348:                } else {
349:                    PrincipalInfoAction.PRIVILEGED.pop();
350:                }
351:            }
352:
353:            static RunAsIdentity peekRunAsIdentity() {
354:                if (System.getSecurityManager() == null) {
355:                    return RunAsIdentityActions.NON_PRIVILEGED.peek();
356:                } else {
357:                    return RunAsIdentityActions.PRIVILEGED.peek();
358:                }
359:            }
360:
361:            static void pushRunAsIdentity(RunAsIdentity principal) {
362:                if (System.getSecurityManager() == null) {
363:                    RunAsIdentityActions.NON_PRIVILEGED.push(principal);
364:                } else {
365:                    RunAsIdentityActions.PRIVILEGED.push(principal);
366:                }
367:            }
368:
369:            static RunAsIdentity popRunAsIdentity() {
370:                if (System.getSecurityManager() == null) {
371:                    return RunAsIdentityActions.NON_PRIVILEGED.pop();
372:                } else {
373:                    return RunAsIdentityActions.PRIVILEGED.pop();
374:                }
375:            }
376:
377:            static Exception getContextException() {
378:                if (System.getSecurityManager() == null) {
379:                    return ContextInfoActions.NON_PRIVILEGED
380:                            .getContextException();
381:                } else {
382:                    return ContextInfoActions.PRIVILEGED.getContextException();
383:                }
384:            }
385:
386:            static Subject getContextSubject() throws PolicyContextException {
387:                if (System.getSecurityManager() == null) {
388:                    return PolicyContextActions.NON_PRIVILEGED
389:                            .getContextSubject();
390:                } else {
391:                    return PolicyContextActions.PRIVILEGED.getContextSubject();
392:                }
393:            }
394:
395:            interface TCLAction {
396:                class UTIL {
397:                    static TCLAction getTCLAction() {
398:                        return System.getSecurityManager() == null ? NON_PRIVILEGED
399:                                : PRIVILEGED;
400:                    }
401:
402:                    static ClassLoader getContextClassLoader() {
403:                        return getTCLAction().getContextClassLoader();
404:                    }
405:
406:                    static ClassLoader getContextClassLoader(Thread thread) {
407:                        return getTCLAction().getContextClassLoader(thread);
408:                    }
409:
410:                    static void setContextClassLoader(ClassLoader cl) {
411:                        getTCLAction().setContextClassLoader(cl);
412:                    }
413:
414:                    static void setContextClassLoader(Thread thread,
415:                            ClassLoader cl) {
416:                        getTCLAction().setContextClassLoader(thread, cl);
417:                    }
418:                }
419:
420:                TCLAction NON_PRIVILEGED = new TCLAction() {
421:                    public ClassLoader getContextClassLoader() {
422:                        return Thread.currentThread().getContextClassLoader();
423:                    }
424:
425:                    public ClassLoader getContextClassLoader(Thread thread) {
426:                        return thread.getContextClassLoader();
427:                    }
428:
429:                    public void setContextClassLoader(ClassLoader cl) {
430:                        Thread.currentThread().setContextClassLoader(cl);
431:                    }
432:
433:                    public void setContextClassLoader(Thread thread,
434:                            ClassLoader cl) {
435:                        thread.setContextClassLoader(cl);
436:                    }
437:                };
438:
439:                TCLAction PRIVILEGED = new TCLAction() {
440:                    private final PrivilegedAction getTCLPrivilegedAction = new PrivilegedAction() {
441:                        public Object run() {
442:                            return Thread.currentThread()
443:                                    .getContextClassLoader();
444:                        }
445:                    };
446:
447:                    public ClassLoader getContextClassLoader() {
448:                        return (ClassLoader) AccessController
449:                                .doPrivileged(getTCLPrivilegedAction);
450:                    }
451:
452:                    public ClassLoader getContextClassLoader(final Thread thread) {
453:                        return (ClassLoader) AccessController
454:                                .doPrivileged(new PrivilegedAction() {
455:                                    public Object run() {
456:                                        return thread.getContextClassLoader();
457:                                    }
458:                                });
459:                    }
460:
461:                    public void setContextClassLoader(final ClassLoader cl) {
462:                        AccessController.doPrivileged(new PrivilegedAction() {
463:                            public Object run() {
464:                                Thread.currentThread()
465:                                        .setContextClassLoader(cl);
466:                                return null;
467:                            }
468:                        });
469:                    }
470:
471:                    public void setContextClassLoader(final Thread thread,
472:                            final ClassLoader cl) {
473:                        AccessController.doPrivileged(new PrivilegedAction() {
474:                            public Object run() {
475:                                thread.setContextClassLoader(cl);
476:                                return null;
477:                            }
478:                        });
479:                    }
480:                };
481:
482:                ClassLoader getContextClassLoader();
483:
484:                ClassLoader getContextClassLoader(Thread thread);
485:
486:                void setContextClassLoader(ClassLoader cl);
487:
488:                void setContextClassLoader(Thread thread, ClassLoader cl);
489:            }
490:        }
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