public static DataLineDto GetDataLineDto(this string line)
{
var fragments = line.Split(FragmentSeparator);
var lineDto = new DataLineDto();
foreach (var fragment in fragments)
{
var fragmentDto = new FragmentDto();
if (decimal.TryParse(fragment, out decimal decimalFragment))
{
fragmentDto.Type = NumberObjectType;
}
else
{
fragmentDto.Type = WordObjectType;
}
fragmentDto.Value = fragment;
lineDto.Fragments.Add(fragmentDto);
}
return(lineDto);
}
public async Task <FragmentDto> GetKey([FromRoute] string user, [FromRoute] string pub, [FromBody] IEnumerable <string> alphas)
{
var sharekey = (await GetAuth(user).ShareKeyAsync(alphas.Select(itm => TResponseRj.Parse(itm)))).ToString();
var dto = new FragmentDto
{
CvkFragment = Cryptide.Instance.Encrypt(sharekey, pub.DecodeBase64Url()),
CvkPublic = _manager.GetAccount(user).pub
};
return(dto);
}
public TideResponse Login(AuthenticationModel model)
{
try {
var usernameHash = model.Username.ConvertToUint64();
// Fetch the item from the cache, otherwise get it from the blockchain
if (!_memoryCache.GetCacheObject(CacheKeys.Fragment, out Fragment fragment, usernameHash))
{
fragment = GetTableRow <Fragment>(_settings.Account, _settings.FragmentsTable, usernameHash);
if (fragment != null)
{
_memoryCache.SetCacheObject(CacheKeys.Fragment, fragment);
}
}
if (fragment == null)
{
_logger.LogMsg("Invalid user gathering fragment", model);
return(new TideResponse(false, null, "That fragment does not exist"));
}
// Process the request. Gather correct fragment if the password checks out, otherwise return junk data
// Alternatively reject it if too many requests have been made
var(success, result, minutes) = ProcessRequest(model, fragment);
if (result == null)
{
_logger.LogMsg("TideUser hit throttle", model);
return(new TideResponse(false, null, $"Too many requests. Try again in: {minutes} minutes."));
}
// Convert to a transfer object
var dto = new FragmentDto(fragment)
{
CvkFragment = Cryptide.Instance.Encrypt(result, model.PublicKey)
};
_logger.LogMsg(success ? "Correct Fragment retrieved" : "Junk fragment retrieved", model);
return(new TideResponse(true, new { vendorFragment = dto }, null));
}
catch (Exception e) {
_logger.LogMsg("Error gathering fragment", model, e);
return(new TideResponse(false, null, "Unable to gather fragment"));
}
}
public async Task <IActionResult> GetSi([FromRoute] string user, [FromRoute] string beta, [FromRoute] string pub, [FromBody] IEnumerable <string> alphas)
{
/*
* var (result, minutes) = _throttler.SlowDown(RemoteIp);
* if (result)
* {
* _logger.LogInformation($"TideUser {user} hit throttle", RemoteIp);
* return BadRequest(new TideResponse(false, null, $"Too many requests. Try again in: {minutes} minutes."));
* }
* //*/
var shareSi = (await GetAuth(user).FinishMtA(beta.DecodeBase64Url(), alphas.Select(itm => TResponseAlpha.Parse(itm)))).ToString();
var dto = new FragmentDto
{
CvkFragment = Cryptide.Instance.Encrypt(shareSi, pub.DecodeBase64Url()),
CvkPublic = _manager.GetAccount(user).pub
};
_logger.LogInformation($"fragment sent to the user: {user}", RemoteIp);
return(Ok(new TideResponse(true, new { vendorFragment = dto }, null)));
}
public TideResponse Login(AuthenticationModel model)
{
try {
// Fetch the item from the cache, otherwise get it from the blockchain
var fragment = _repo.GetShare(model.Username.ConvertToUint64());
if (fragment == null)
{
_logger.LogMsg("Invalid user gathering fragment", model);
return(new TideResponse(false, null, "That fragment does not exist"));
}
// Process the request. Gather correct fragment if the password checks out, otherwise return junk data
// Alternatively reject it if too many requests have been made
var(result, minutes) = Throttle(model.Ip);
if (result)
{
_logger.LogMsg("TideUser hit throttle", model);
return(new TideResponse(false, null, $"Too many requests. Try again in: {minutes} minutes."));
}
var validationResult = ValidationManager.ValidatePass(model.PasswordHash, AesCrypto.Decrypt(fragment.PasswordHash, _settings.Password), AesCrypto.Decrypt(fragment.CvkFragment, _settings.Password), _settings.Key).Result;
// Convert to a transfer object
var dto = new FragmentDto(fragment)
{
CvkFragment = Cryptide.Instance.Encrypt(validationResult.Result, model.PublicKey)
};
_logger.LogMsg(validationResult.Success ? "Correct Fragment retrieved" : "Junk fragment retrieved", model);
return(new TideResponse(true, new { vendorFragment = dto }, null));
}
catch (Exception e) {
_logger.LogMsg("Error gathering fragment", model, e);
return(new TideResponse(false, null, "Unable to gather fragment"));
}
}
