50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
|
/*
|
||
|
|
GoToSocial
|
||
|
|
Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
|
||
|
|
|
||
|
|
This program is free software: you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU Affero General Public License as published by
|
||
|
|
the Free Software Foundation, either version 3 of the License, or
|
||
|
|
(at your option) any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU Affero General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Affero General Public License
|
||
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
const isValidDomain = require("is-valid-domain");
|
||
|
|
const psl = require("psl");
|
||
|
|
|
||
|
|
function isValidDomainBlock(domain) {
|
||
|
|
return isValidDomain(domain, {
|
||
|
|
/*
|
||
|
|
Wildcard prefix *. can be stripped since it's equivalent to not having it,
|
||
|
|
but wildcard anywhere else in the domain is not handled by the backend so it's invalid.
|
||
|
|
*/
|
||
|
|
wildcard: false,
|
||
|
|
allowUnicode: true
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Still can't think of a better function name for this,
|
||
|
|
but we're checking a domain against the Public Suffix List <https://publicsuffix.org/>
|
||
|
|
to see if we should suggest removing subdomain(s) since they're likely owned/ran by the same party
|
||
|
|
social.example.com -> suggests example.com
|
||
|
|
*/
|
||
|
|
function hasBetterScope(domain) {
|
||
|
|
const lookup = psl.get(domain);
|
||
|
|
if (lookup && lookup != domain) {
|
||
|
|
return lookup;
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = { isValidDomainBlock, hasBetterScope };
|