public TotpData GetTotpData(IDictionary <string, string> entryFields, Context ctx, bool muteWarnings)
{
TotpData res = new TotpData();
string data;
if (!entryFields.TryGetValue("otp", out data))
{
return(res);
}
string otpUriStart = "otpauth://totp/";
if (!data.StartsWith(otpUriStart))
{
return(res);
}
try
{
Uri myUri = new Uri(data);
var parsedQuery = HttpUtility.ParseQueryString(myUri.Query);
res.TotpSeed = parsedQuery.Get("secret");
res.Length = parsedQuery.Get("digits");
res.Duration = parsedQuery.Get("period");
}
catch (Exception)
{
return(res);
}
res.IsTotpEnry = true;
return(res);
}
public ITotpPluginAdapter TryGetAdapter(PwEntryOutput entry)
{
if (entry == null)
{
return(null);
}
try
{
foreach (ITotpPluginAdapter adapter in _pluginAdapters)
{
TotpData totpData = adapter.GetTotpData(
App.Kp2a.LastOpenedEntry.OutputStrings.ToDictionary(pair => StrUtil.SafeXmlString(pair.Key),
pair => pair.Value.ReadString()), LocaleManager.LocalizedAppContext, false);
if (totpData.IsTotpEntry)
{
return(adapter);
}
}
}
catch (Exception e)
{
Kp2aLog.LogUnexpectedError(e);
}
return(null);
}
/// <summary>
/// Instanciates a new TOTP_Generator.
/// </summary>
/// <param name="initDuration">Duration of generation of each totp, in seconds.</param>
/// <param name="initLength">Length of the generated totp.</param>
/// <param name="initEncoder">The output encoder.</param>
/*public TOTPProvider(int initDuration, int initLength, Func<byte[], int, string> initEncoder)
* {
* this.Duration = initDuration;
* this.Length = initLength;
* this.encoder = initEncoder;
* this.TimeCorrection = TimeSpan.Zero;
* }*/
/// <summary>
/// Instanciates a new TOTP_Generator.
/// </summary>
/// <param name="initSettings">Saved Settings.</param>
public TOTPProvider(TotpData data)
{
this.duration = Convert.ToInt16(data.Duration);
if (data.Encoder == TotpData.EncoderSteam)
{
this.length = 5;
this.encoder = TOTPEncoder.steam;
}
else
{
this.length = Convert.ToInt16(data.Length);
this.encoder = TOTPEncoder.rfc6238;
}
if (data.TimeCorrectionUrl != null)
{
{
this.TimeCorrection = TimeSpan.Zero;
this.timeCorrectionError = false;
}
}
else
{
this.TimeCorrection = TimeSpan.Zero;
}
this.HashAlgorithm = data.HashAlgorithm;
}
//END TWO FACTOR AUTHENTICATION
//TOTP CONFIGURATION/SETUP
public async Task <IActionResult> SetUpTotp(TotpData model)
{
User user = await userManager.GetUserAsync(HttpContext.User);
if (user == null)
{
user = await userManager.FindByIdAsync(HttpContext.Session.GetString("Id"));
}
if (user.TotpConfigured == false)
{
HttpContext.Session.SetString("Id", user.Id);
string randomKey = RandomString(25);
var totpSetupGenerator = new TotpSetupGenerator();
var totpSetup = totpSetupGenerator.Generate("SportsAdministrationApp", user.Name, randomKey, 300, 300);
string qrCodeImageUrl = totpSetup.QrCodeImage;
string manualEntrySetupCode = totpSetup.ManualSetupKey;
user.QrCodeUrl = qrCodeImageUrl;
user.TotpSetupCode = manualEntrySetupCode;
user.randomKey = randomKey;
user.TotpConfigured = true;
}
//to pass data into View
TotpData dta = new TotpData
{
TotpSetupCode = user.TotpSetupCode,
QrCodeUrl = user.QrCodeUrl
};
model.TotpSetupCode = user.TotpSetupCode;
model.QrCodeUrl = user.QrCodeUrl;
await userManager.UpdateAsync(user);
return(View(dta));
}
public TotpData GetTotpData(IDictionary <string, string> entryFields, Context ctx, bool muteWarnings)
{
TotpData res = new TotpData();
string data;
if (!entryFields.TryGetValue("otp", out data))
{
return(res);
}
string otpUriStart = "otpauth://totp/";
if (!data.StartsWith(otpUriStart))
{
return(res);
}
try
{
Uri myUri = new Uri(data);
var parsedQuery = HttpUtility.ParseQueryString(myUri.Query);
res.TotpSeed = parsedQuery.Get("secret");
res.Length = parsedQuery.Get("digits");
res.Duration = parsedQuery.Get("period");
res.Encoder = parsedQuery.Get("encoder");
string algo = parsedQuery.Get("algorithm");
if (algo == "SHA512")
{
res.HashAlgorithm = TotpData.HashSha512;
}
if (algo == "SHA256")
{
res.HashAlgorithm = TotpData.HashSha256;
}
//set defaults according to https://github.com/google/google-authenticator/wiki/Key-Uri-Format
if (res.Length == null)
{
res.Length = "6";
}
if (res.Duration == null)
{
res.Duration = "30";
}
if (res.Encoder == null)
{
res.Encoder = TotpData.EncoderRfc6238;
}
}
catch (Exception e)
{
return(res);
}
res.IsTotpEntry = true;
return(res);
}
public void OnOpenEntry()
{
foreach (ITotpPluginAdapter adapter in _pluginAdapters)
{
TotpData totpData = adapter.GetTotpData(App.Kp2a.GetDb().LastOpenedEntry.OutputStrings.ToDictionary(pair => StrUtil.SafeXmlString(pair.Key), pair => pair.Value.ReadString()), Application.Context, false);
if (totpData.IsTotpEnry)
{
new UpdateTotpTimerTask(Application.Context, adapter).Run();
}
}
}
public ITotpPluginAdapter TryGetAdapter(PwEntryOutput entry)
{
if (entry == null)
{
return(null);
}
foreach (ITotpPluginAdapter adapter in _pluginAdapters)
{
TotpData totpData = adapter.GetTotpData(App.Kp2a.LastOpenedEntry.OutputStrings.ToDictionary(pair => StrUtil.SafeXmlString(pair.Key), pair => pair.Value.ReadString()), Application.Context, false);
if (totpData.IsTotpEnry)
{
return(adapter);
}
}
return(null);
}
public TotpData TryGetTotpData(PwEntryOutput entry)
{
if (entry == null)
{
return(null);
}
foreach (ITotpPluginAdapter adapter in _pluginAdapters)
{
TotpData totpData = adapter.GetTotpData(entry.OutputStrings.ToDictionary(pair => StrUtil.SafeXmlString(pair.Key), pair => pair.Value.ReadString()), LocaleManager.LocalizedAppContext, false);
if (totpData.IsTotpEntry)
{
return(totpData);
}
}
return(null);
}
public TotpData GetData()
{
TotpData res = new TotpData();
string data;
if (!_entryFields.TryGetValue("otp", out data))
{
return res;
}
NameValueCollection parameters = ParseQueryString(data);
if (parameters[KeyParameter] == null)
{
return res;
}
res.TotpSeed = parameters[KeyParameter];
res.Duration = GetIntOrDefault(parameters, StepParameter, 30);
res.Length = GetIntOrDefault(parameters, SizeParameter, 6);
res.IsTotpEnry = true;
return res;
}
public TotpData GetTotpData(IDictionary<string, string> entryFields)
{
TotpData res = new TotpData();
if (SettingsCheck(entryFields) && SeedCheck(entryFields))
{
bool ValidInterval; bool ValidLength; bool ValidUrl;
if (SettingsValidate(entryFields, out ValidInterval, out ValidLength, out ValidUrl))
{
bool NoTimeCorrection = false;
string[] Settings = SettingsGet(entryFields);
res.Duration = Convert.ToInt16(Settings[0]);
res.Length = Convert.ToInt16(Settings[1]);
if (ValidUrl)
{
NoTimeCorrection = true;
/*var CurrentTimeCorrection = TimeCorrections[Settings[2]];
if (CurrentTimeCorrection != null)
{
TotpGenerator.TimeCorrection = CurrentTimeCorrection.TimeCorrection;
}
else
{
TotpGenerator.TimeCorrection = TimeSpan.Zero;
NoTimeCorrection = true;
}*/
}
string InvalidCharacters;
if (SeedValidate(entryFields, out InvalidCharacters))
{
res.IsTotpEnry = true;
res.TotpSeed = SeedGet(entryFields).ExtWithoutSpaces();
}
else
{
ShowWarning("Bad seed!" + InvalidCharacters.ExtWithParenthesis().ExtWithSpaceBefore());
}
if (NoTimeCorrection)
ShowWarning("Warning: TOTP Time correction not implemented!");
}
else
{
ShowWarning("Bad settings!");
}
}
else
{
//no totp entry
}
return res;
}
