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/*
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";
import { get } from "psl";
/**
* Check the input string to ensure it's a valid
* domain that doesn't include a wildcard ("*").
* @param domain
* @returns
*/
export function isValidDomainPermission(domain: string): boolean {
return isValidDomain(domain, {
wildcard: false,
allowUnicode: true
});
}
/**
* Checks 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.
* Eg., "social.example.com" suggests "example.com".
* @param domain
* @returns
*/
export function hasBetterScope(domain: string): string | undefined {
const lookup = get(domain);
if (lookup && lookup != domain) {
return lookup;
}
}
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