User guide

Developing Java Applications
7-9
continue;
}
finally {
Arrays.fill(password,' ');
Arrays.fill(tmp,' ');
}
}
return false;
}
public void authorize(){
System.out.println("\n" + "*** Credential Information ***");
// get privateCredential Set
// Obtaining user information
Set credentials = subject.getPrivateCredentials();
// display credential information
Iterator iterator = credentials.iterator();
while (iterator.hasNext()) {
Object credential = iterator.next();
// this credential identify login user
if (credential instanceof ISAuthorizationCredential){
ISAuthorizationCredential isCredential =
(ISAuthorizationCredential) credential;
System.out.println("AuthorizationCredential=" +
isCredential.getEncryptedCredential());
System.out.println("Dn=" + isCredential.getDN());
System.out.println("Uid=" + isCredential.getUID());
Set roles = isCredential.getRoles();
if (roles != null) {
Iterator ite = roles.iterator();
while(ite.hasNext()){
System.out.println("Role=" + ite.next());
}
}
System.out.println("ClientAddress=" +
isCredential.getClientAddress());
System.out.println("AuthMethod=" +
isCredential.getAuthMethod());
System.out.println("AuthTime=" + isCredential.getAuthTime());
System.out.println("Expiration=" +
isCredential.getExpiration());
}
}
System.out.println("\n" + "*** Principals Information ***");
// display principal information
// Obtaining user information
Set principals = subject.getPrincipals();
iterator = principals.iterator();
while (iterator.hasNext()) {
Principal principal = (Principal)iterator.next();
System.out.println("Principal=" + principal.getName());
}
System.out.println("\n" + "*** Execute PrivilegedAction ***");
// Privileged operation execute by the attested authority.
// Executing authorization
PrivilegedAction myAction = new ISSsoAction();
subject.doAs(subject, myAction);
}