mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-14 13:31:03 +00:00
37b4d9d179
Co-authored-by: kim <grufwub@gmail.com> Co-authored-by: kim <89579420+NyaaaWhatsUpDoc@users.noreply.github.com>
44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
// 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/>.
|
|
|
|
package util
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"golang.org/x/net/idna"
|
|
)
|
|
|
|
// Punify converts the given domain to lowercase
|
|
// then to punycode (for international domain names).
|
|
//
|
|
// Returns the resulting domain or an error if the
|
|
// punycode conversion fails.
|
|
func Punify(domain string) (string, error) {
|
|
domain = strings.ToLower(domain)
|
|
return idna.ToASCII(domain)
|
|
}
|
|
|
|
// DePunify converts the given punycode string
|
|
// to its original unicode representation (lowercased).
|
|
// Noop if the domain is (already) not puny.
|
|
//
|
|
// Returns an error if conversion fails.
|
|
func DePunify(domain string) (string, error) {
|
|
out, err := idna.ToUnicode(domain)
|
|
return strings.ToLower(out), err
|
|
}
|