1 // GoCheese -- Python private package repository and caching proxy
2 // Copyright (C) 2019-2024 Elena Balakhonova <balakhonova_e@riseup.net>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, version 3 of the License.
8 // This program is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program. If not, see <http://www.gnu.org/licenses/>.
25 type SHA256AuthData []byte
27 func (expectedPasword SHA256AuthData) Auth(password string) bool {
28 hash := sha256.Sum256([]byte(password))
29 return subtle.ConstantTimeCompare(hash[:], []byte(expectedPasword)) == 1
32 func parseSHA256(params string) (Auther, error) {
33 if len(params) != 64 {
34 return nil, fmt.Errorf("sha256 parameters %q have wrong format", params)
36 hash, err := hex.DecodeString(params)
37 return SHA256AuthData(hash), err