private int getAllowed(AccessControl ac, Set<String> users) {
switch (ac.get_type()) {
case OTHER:
return ac.get_access();
case USER:
if (users.contains(ac.get_name())) {
return ac.get_access();
}
return 0;
default:
return 0;
}
}
private void fixACLsForUser(List<AccessControl> acls, String user, int mask) {
boolean foundUserACL = false;
for (AccessControl control : acls) {
if (control.get_type() == AccessControlType.USER && control.get_name().equals(user)) {
int currentAccess = control.get_access();
if ((currentAccess & mask) != mask) {
control.set_access(currentAccess | mask);
}
foundUserACL = true;
break;
}
}
if (!foundUserACL) {
AccessControl userACL = new AccessControl();
userACL.set_type(AccessControlType.USER);
userACL.set_name(user);
userACL.set_access(mask);
acls.add(userACL);
}
}
public static void validateSettableACLs(String key, List<AccessControl> acls)
throws AuthorizationException {
Set<String> aclUsers = new HashSet<>();
List<String> duplicateUsers = new ArrayList<>();
for (AccessControl acl : acls) {
String aclUser = acl.get_name();
if (!StringUtils.isEmpty(aclUser) && !aclUsers.add(aclUser)) {
LOG.error("'{}' user can't appear more than once in the ACLs", aclUser);
duplicateUsers.add(aclUser);
}
}
if (duplicateUsers.size() > 0) {
String errorMessage =
"user "
+ Arrays.toString(duplicateUsers.toArray())
+ " can't appear more than once in the ACLs for key ["
+ key
+ "].";
throw new AuthorizationException(errorMessage);
}
}
public static String accessControlToString(AccessControl ac) {
StringBuilder ret = new StringBuilder();
switch (ac.get_type()) {
case OTHER:
ret.append("o");
break;
case USER:
ret.append("u");
break;
default:
throw new IllegalArgumentException(
"Don't know what a type of " + ac.get_type() + " means ");
}
ret.append(":");
if (ac.is_set_name()) {
ret.append(ac.get_name());
}
ret.append(":");
ret.append(accessToString(ac.get_access()));
return ret.toString();
}