/
storage.go
58 lines (51 loc) · 1.14 KB
/
storage.go
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package documents
import (
aes "github.com/Bit-Nation/panthalassa/crypto/aes"
keyManager "github.com/Bit-Nation/panthalassa/keyManager"
storm "github.com/asdine/storm"
)
type Document struct {
ID int `storm:"id,increment"`
Title string
MimeType string
Description string
Content []byte `json:"-"`
EncryptedContent aes.CipherText
CreatedAt int64
CID []byte
Signature []byte
TransactionHash string
}
type Storage struct {
db *storm.DB
km *keyManager.KeyManager
}
func (s *Storage) All() ([]*Document, error) {
var docs []*Document
if err := s.db.All(&docs); err != nil {
return nil, err
}
for _, d := range docs {
plainContent, err := s.km.AESDecrypt(d.EncryptedContent)
if err != nil {
return []*Document{}, err
}
d.Content = plainContent
}
return docs, nil
}
func (s *Storage) Save(d *Document) error {
// encrypt content
ct, err := s.km.AESEncrypt(d.Content)
if err != nil {
return err
}
d.EncryptedContent = ct
return s.db.Save(d)
}
func NewStorage(db *storm.DB, km *keyManager.KeyManager) *Storage {
return &Storage{
db: db,
km: km,
}
}