dnote/pkg/server/token/token.go
2025-10-31 23:41:21 -07:00

56 lines
1.5 KiB
Go

/* Copyright 2025 Dnote Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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
}