示例#1
0
 boolean checkPermission(Permission permission, BundlePermissions bundlePermissions) {
   // check permissions by location
   PermissionInfoCollection locationCollection;
   SecurityTable curCondAdminTable;
   PermissionInfoCollection curPermAdminDefaults;
   // save off the current state of the world while holding the lock
   synchronized (lock) {
     // get location the hard way to avoid permission check
     Bundle bundle = bundlePermissions.getBundle();
     locationCollection =
         bundle instanceof AbstractBundle
             ? permAdminTable.getCollection(
                 ((AbstractBundle) bundle).getBundleData().getLocation())
             : null;
     curCondAdminTable = condAdminTable;
     curPermAdminDefaults = permAdminDefaults;
   }
   if (locationCollection != null) return locationCollection.implies(permission);
   // if conditional admin table is empty the fall back to defaults
   if (curCondAdminTable.isEmpty())
     return curPermAdminDefaults != null
         ? curPermAdminDefaults.implies(permission)
         : DEFAULT_DEFAULT.implies(permission);
   // check the condition table
   int result = curCondAdminTable.evaluate(bundlePermissions, permission);
   if ((result & SecurityTable.GRANTED) != 0) return true;
   if ((result & SecurityTable.DENIED) != 0) return false;
   if ((result & SecurityTable.POSTPONED) != 0) return true;
   return false;
 }
示例#2
0
 static {
   AllPermission allPerm = new AllPermission();
   DEFAULT_DEFAULT = allPerm.newPermissionCollection();
   if (DEFAULT_DEFAULT != null) DEFAULT_DEFAULT.add(allPerm);
 }