dnote/pkg/server/token/token.go
2025-10-04 00:25:12 -07:00

59 lines
1.6 KiB
Go

/* Copyright (C) 2019, 2020, 2021, 2022, 2023, 2024, 2025 Dnote contributors
*
* This file is part of Dnote.
*
* Dnote 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.
*
* Dnote 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 Dnote. If not, see <https://www.gnu.org/licenses/>.
*/
package token
import (
"crypto/rand"
"encoding/base64"
"github.com/dnote/dnote/pkg/server/database"
"gorm.io/gorm"
"github.com/pkg/errors"
)
// generateRandom generates random bits of given length
func generateRandom(bits int) (string, error) {
b := make([]byte, bits)
_, err := rand.Read(b)
if err != nil {
return "", errors.Wrap(err, "reading random bytes")
}
return base64.URLEncoding.EncodeToString(b), nil
}
// Create generates a new token in the database
func Create(db *gorm.DB, userID int, kind string) (database.Token, error) {
val, err := generateRandom(16)
if err != nil {
return database.Token{}, errors.Wrap(err, "generating random bytes")
}
token := database.Token{
UserID: userID,
Value: val,
Type: kind,
}
if err := db.Save(&token).Error; err != nil {
return database.Token{}, errors.Wrap(err, "creating a token for unsubscribing")
}
return token, nil
}