/**
* bug 15810: blocked admins should not be able to block/unblock
* others, and probably shouldn't be able to unblock themselves
* either.
* @param $user User|Int|String
* @param $performer User user doing the request
* @return Bool|String true or error message key
*/
public static function checkUnblockSelf($user, User $performer)
{
if (is_int($user)) {
$user = User::newFromId($user);
} elseif (is_string($user)) {
$user = User::newFromName($user);
}
if ($performer->isBlocked()) {
if ($user instanceof User && $user->getId() == $performer->getId()) {
# User is trying to unblock themselves
if ($performer->isAllowed('unblockself')) {
return true;
# User blocked themselves and is now trying to reverse it
} elseif ($performer->blockedBy() === $performer->getName()) {
return true;
} else {
return 'ipbnounblockself';
}
} else {
# User is trying to block/unblock someone else
return 'ipbblocked';
}
} else {
return true;
}
}
