github.com/e154/smart-home@v0.17.2-0.20240311175135-e530a6e5cd45/system/initial/local_migrations/m_encryptor.go (about)

     1  // This file is part of the Smart Home
     2  // Program complex distribution https://github.com/e154/smart-home
     3  // Copyright (C) 2023, Filippov Alex
     4  //
     5  // This library is free software: you can redistribute it and/or
     6  // modify it under the terms of the GNU Lesser General Public
     7  // License as published by the Free Software Foundation; either
     8  // version 3 of the License, or (at your option) any later version.
     9  //
    10  // This library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13  // Library General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public
    16  // License along with this library.  If not, see
    17  // <https://www.gnu.org/licenses/>.
    18  
    19  package local_migrations
    20  
    21  import (
    22  	"context"
    23  	"encoding/hex"
    24  
    25  	"github.com/e154/smart-home/adaptors"
    26  	"github.com/e154/smart-home/common/encryptor"
    27  	. "github.com/e154/smart-home/system/initial/assertions"
    28  )
    29  
    30  type MigrationEncryptor struct {
    31  	adaptors *adaptors.Adaptors
    32  }
    33  
    34  func NewMigrationEncryptor(adaptors *adaptors.Adaptors) *MigrationEncryptor {
    35  	return &MigrationEncryptor{
    36  		adaptors: adaptors,
    37  	}
    38  }
    39  
    40  func (n *MigrationEncryptor) Up(ctx context.Context, adaptors *adaptors.Adaptors) error {
    41  	if adaptors != nil {
    42  		n.adaptors = adaptors
    43  	}
    44  
    45  	err := AddVariableIfNotExist(n.adaptors, ctx, "encryptor", hex.EncodeToString(encryptor.GenKey()))
    46  	So(err, ShouldBeNil)
    47  
    48  	return nil
    49  }