// get the currently executing user: Subject currentUser = SecurityUtils.getSubject();
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// Do some stuff with a Session (no need for a Web or EJB container!!!) Session session = currentUser.getSession(); session.setAttribute("someKey", "aValue"); String value = (String) session.getAttribute("someKey"); if (value.equals("aValue")) { log.info("Retrieved the correct value! [" + value + "]");
}
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// let's login the current user so we can check against roles and permissions: if (!currentUser.isAuthenticated()) { UsernamePasswordToken token = newUsernamePasswordToken("lonestarr", "vespa"); token.setRememberMe(true); try { currentUser.login(token); } catch (UnknownAccountException uae) { log.info("There is no user with username of " + token.getPrincipal()); } catch (IncorrectCredentialsException ice) { log.info("Password for account " + token.getPrincipal() + " was incorrect!"); } catch (LockedAccountException lae) { log.info("The account for username " + token.getPrincipal() + " is locked. " + "Please contact your administrator to unlock it.");
}
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// ... catch more exceptions here (maybe custom ones specific to your application? catch (AuthenticationException ae) { //unexpected condition? error?
}
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//say who they are: //print their identifying principal (in this case, a username): log.info("User [" + currentUser.getPrincipal() + "] logged in successfully.");
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//test a role: if (currentUser.hasRole("schwartz")) { log.info("May the Schwartz be with you!"); } else { log.info("Hello, mere mortal.");
}
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//test a typed permission (not instance-level) if (currentUser.isPermitted("lightsaber:wield")) { log.info("You may use a lightsaber ring. Use it wisely."); log.info("Sorry, lightsaber rings are for schwartz masters only.");
}
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//a (very powerful) Instance Level permission: if (currentUser.isPermitted("winnebago:drive:eagle5")) { log.info("You are permitted to 'drive' the winnebago with license plate (id) 'eagle5'. " + "Here are the keys - have fun!"); log.info("Sorry, you aren't allowed to drive the 'eagle5' winnebago!");