49 lines
1.2 KiB
TypeScript
49 lines
1.2 KiB
TypeScript
/*
|
|
GoToSocial
|
|
Copyright (C) GoToSocial Authors admin@gotosocial.org
|
|
SPDX-License-Identifier: AGPL-3.0-or-later
|
|
|
|
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/>.
|
|
*/
|
|
|
|
import isValidDomain from "is-valid-domain";
|
|
|
|
/**
|
|
* Validate the "domain" field of a form.
|
|
* @param domain
|
|
* @returns
|
|
*/
|
|
export function formDomainValidator(domain: string): string {
|
|
if (domain.length === 0) {
|
|
return "";
|
|
}
|
|
|
|
if (domain[domain.length-1] === ".") {
|
|
return "invalid domain";
|
|
}
|
|
|
|
const valid = isValidDomain(domain, {
|
|
subdomain: true,
|
|
wildcard: false,
|
|
allowUnicode: true,
|
|
topLevel: false,
|
|
});
|
|
|
|
if (valid) {
|
|
return "";
|
|
}
|
|
|
|
return "invalid domain";
|
|
}
|