dnote/pkg/cli/context/operations.go
Sung Won Cho 23a511dbe0
Improve package structure (#207)
* Improve package structure

* Set up travis
2019-06-25 19:20:19 +10:00

48 lines
1.4 KiB
Go

/* Copyright (C) 2019 Monomax Software Pty Ltd
*
* This file is part of Dnote CLI.
*
* Dnote CLI 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.
*
* Dnote CLI 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 Dnote CLI. If not, see <https://www.gnu.org/licenses/>.
*/
package context
import (
"encoding/base64"
"github.com/dnote/dnote/pkg/cli/consts"
"github.com/dnote/dnote/pkg/cli/database"
"github.com/pkg/errors"
)
// GetCipherKey retrieves the cipher key and decode the base64 into bytes.
func (ctx DnoteCtx) GetCipherKey() ([]byte, error) {
tx, err := ctx.DB.Begin()
if err != nil {
return nil, errors.Wrap(err, "beginning transaction")
}
var cipherKeyB64 string
err = database.GetSystem(tx, consts.SystemCipherKey, &cipherKeyB64)
if err != nil {
return []byte{}, errors.Wrap(err, "getting enc key")
}
cipherKey, err := base64.StdEncoding.DecodeString(cipherKeyB64)
if err != nil {
return nil, errors.Wrap(err, "decoding cipherKey from base64")
}
return cipherKey, nil
}