51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// Copyright (c) 2022 Proton AG
|
|
//
|
|
// This file is part of Proton Mail Bridge.
|
|
//
|
|
// Proton Mail Bridge is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Proton Mail Bridge 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 General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package algo
|
|
|
|
import "encoding/base64"
|
|
|
|
// B64Encode returns the base64 encoding of the given byte slice.
|
|
func B64Encode(b []byte) []byte {
|
|
enc := make([]byte, base64.StdEncoding.EncodedLen(len(b)))
|
|
|
|
base64.StdEncoding.Encode(enc, b)
|
|
|
|
return enc
|
|
}
|
|
|
|
// B64RawEncode returns the base64 encoding of the given byte slice.
|
|
func B64RawEncode(b []byte) []byte {
|
|
enc := make([]byte, base64.RawURLEncoding.EncodedLen(len(b)))
|
|
|
|
base64.RawURLEncoding.Encode(enc, b)
|
|
|
|
return enc
|
|
}
|
|
|
|
// B64RawDecode returns the bytes represented by the base64 encoding of the given byte slice.
|
|
func B64RawDecode(b []byte) ([]byte, error) {
|
|
dec := make([]byte, base64.RawURLEncoding.DecodedLen(len(b)))
|
|
|
|
n, err := base64.RawURLEncoding.Decode(dec, b)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return dec[:n], nil
|
|
}
|