public static DBNote ToDBNote(this DTONote dto, DBUser user, bool encrypt = false)
{
// ServiceStack's .PopulateWith is for some reasons
// ORDERS of magnitudes slower than manually copying
// TODO evaluate PopulateWith performance / bottleneck
// or other mappers like ValueInjecter
var db = new DBNote();
db.Guid = dto.Guid;
db.Title = dto.Title;
db.Text = dto.Text;
db.Tags = dto.Tags;
// dates
db.ChangeDate = dto.ChangeDate;
db.MetadataChangeDate = dto.MetadataChangeDate;
db.CreateDate = dto.CreateDate;
db.OpenOnStartup = dto.OpenOnStartup;
db.Pinned = dto.Pinned;
db.Username = user.Username;
return(db);
}
protected void SaveDBNote(DBNote db_note)
{
// archive any previously existing note into its own table
// TODO: evaluate how we could re-use the same DBNote table, which will save us
// a select + reinsert operation
if (UseHistory)
{
var old_note = db.FirstOrDefault <DBNote> (n => n.CompoundPrimaryKey == db_note.CompoundPrimaryKey);
if (old_note != null)
{
var archived_note = new DBArchivedNote().PopulateWith(old_note);
// set the last known revision
if (Manifest.NoteRevisions.Keys.Contains(db_note.Guid))
{
archived_note.LastSyncRevision = Manifest.NoteRevisions[db_note.Guid];
}
db.Insert <DBArchivedNote> (archived_note);
}
}
// unforunately, we can't know if that note already exist
// so we delete any previous incarnations of that note and
// re-insert
db.Delete <DBNote> (n => n.CompoundPrimaryKey == db_note.CompoundPrimaryKey);
db.Insert(db_note);
}
public static DBNote ToDBNote(this DTONote dto, DBUser user, bool encrypt = false)
{
// ServiceStack's .PopulateWith is for some reasons
// ORDERS of magnitudes slower than manually copying
// TODO evaluate PopulateWith performance / bottleneck
// or other mappers like ValueInjecter
var db = new DBNote ();
db.Guid = dto.Guid;
db.Title = dto.Title;
db.Text = dto.Text;
db.Tags = dto.Tags;
// dates
db.ChangeDate = dto.ChangeDate;
db.MetadataChangeDate = dto.MetadataChangeDate;
db.CreateDate = dto.CreateDate;
db.OpenOnStartup = dto.OpenOnStartup;
db.Pinned = dto.Pinned;
db.Username = user.Username;
return db;
}
private void EncryptNoteBody(DBNote note)
{
// decrypt the per note key
var plaintext_key = note.EncryptedKey.DecryptWithKey(encryptionMasterKey, User.MasterKeySalt);
note.IsEncypted = true;
note.Text = User.EncryptString(plaintext_key.ToByteArray(), note.Text).ToHexString();
}
private void DecryptNoteBody(DBNote note)
{
if (!note.IsEncypted)
{
return;
}
note.Decrypt(User, encryptionMasterKey);
note.IsEncypted = false;
}
public static DTONote ToDTONote(this DBNote db)
{
var dto = new DTONote();
dto.Guid = db.Guid;
dto.Title = db.Title;
dto.Text = db.Text;
dto.Tags = db.Tags;
// dates
dto.ChangeDate = db.ChangeDate;
dto.MetadataChangeDate = db.MetadataChangeDate;
dto.CreateDate = db.CreateDate;
dto.OpenOnStartup = db.OpenOnStartup;
dto.Pinned = db.Pinned;
return(dto);
}
private string GetEncryptedNoteKey(DBNote note)
{
// re-use the same key when saving a note
string encrypted_per_note_key;
var saved_note = db.FirstOrDefault <DBNote> (n => n.CompoundPrimaryKey == note.CompoundPrimaryKey);
if (saved_note != null)
{
encrypted_per_note_key = saved_note.EncryptedKey;
}
else
{
// new note, generate a new key
var rng = new RNGCryptoServiceProvider();
encrypted_per_note_key = rng.Create256BitLowerCaseHexKey().EncryptWithKey(encryptionMasterKey, User.MasterKeySalt);
}
return(encrypted_per_note_key);
}
