/// <summary>
/// Perform all kind of migrations between different KeePassOTP versions
/// </summary>
/// <param name="db"></param>
/// <returns>true if something was migrated, false if nothing was done</returns>
private static bool CheckAndMigrate(PwDatabase db, OTP_Migrations omFlags)
{
const string Migration_EntryDB = "KeePassOTP.MigrationStatus";
const string Migration_OTPDB = "KeePassOTPDB.MigrationStatus";
string sMigrationStatus = string.Empty;
bool bMigrated = false;
//Get DB to work on
OTPDAO.OTPHandler_DB h = GetOTPHandler(db);
if (h != null)
{
sMigrationStatus = Migration_OTPDB;
}
else
{
sMigrationStatus = Migration_EntryDB;
}
OTP_Migrations omStatusOld = OTP_Migrations.None;
if (!OTP_Migrations.TryParse(db.CustomData.Get(sMigrationStatus), out omStatusOld))
{
omStatusOld = OTP_Migrations.None;
}
OTP_Migrations omStatusNew = omStatusOld;
if (MigrationRequired(OTP_Migrations.Entry2CustomData, omFlags, omStatusOld))
{
if (!db.UseDBForOTPSeeds() || !db.CustomData.Exists(OTPDAO.OTPHandler_DB.DBNAME))
{
PwEntry pe = OTPHandler_DB.GetOTPDBEntry(db);
if (pe != null)
{
bMigrated = true;
OTPDAO.MigrateToCustomdata(db, pe);
}
}
omStatusNew |= OTP_Migrations.Entry2CustomData;
}
if (MigrationRequired(OTP_Migrations.KeePassOTP2OtpAuth, omFlags, omStatusOld))
{
int r = CheckOTPDataMigration(db);
bMigrated |= r > 0;
if (r >= 0)
{
omStatusNew |= OTP_Migrations.KeePassOTP2OtpAuth;
}
}
if (MigrationRequired(OTP_Migrations.SanitizeSeed, omFlags, omStatusOld))
{
int r = SanitizeSeeds(db);
bMigrated |= r > 0;
if (r >= 0)
{
omStatusNew |= OTP_Migrations.SanitizeSeed;
}
}
if (MigrationRequired(OTP_Migrations.OTPAuthFormatCorrection, omFlags, omStatusOld))
{
int r = OTPAuthFormatCorrection(db);
bMigrated |= r > 0;
if (r >= 0)
{
omStatusNew |= OTP_Migrations.OTPAuthFormatCorrection;
}
}
if ((omStatusNew != omStatusOld) || bMigrated)
{
db.CustomData.Set(sMigrationStatus, omStatusNew.ToString());
db.SettingsChanged = DateTime.UtcNow;
db.Modified = true;
Program.MainForm.UpdateUI(false, null, false, null, false, null, Program.MainForm.ActiveDatabase == db);
}
return(bMigrated);
}