public IActionResult SignUp(mltSignUpViewModel mltSignUpViewModel)
{
string signPrivateKey = null, agreePrivateKey = null, signPublicKey = null, agreePublicKey = null;
Assets <UserCredAssetData> userAsset = _bigChainDbService.GetUserAssetFromTypeID(AssetType.Doctor, mltSignUpViewModel.CSMLSID);
if (userAsset != null)
{
ModelState.AddModelError("", "A Doctor profile with that MINC already exists");
return(View(mltSignUpViewModel));
}
var passphrase = mltSignUpViewModel.MLTKeyWord;
var password = mltSignUpViewModel.Password;
EncryptionService.getNewBlockchainUser(out signPrivateKey, out signPublicKey, out agreePrivateKey, out agreePublicKey);
var userAssetData = new UserCredAssetData
{
FirstName = mltSignUpViewModel.FirstName,
LastName = mltSignUpViewModel.LastName,
ID = mltSignUpViewModel.CSMLSID,
Email = mltSignUpViewModel.Email,
PrivateKeys = EncryptionService.encryptPrivateKeys(mltSignUpViewModel.CSMLSID, passphrase, signPrivateKey, agreePrivateKey),
DateOfRecord = DateTime.Now,
SignPublicKey = signPublicKey,
AgreePublicKey = agreePublicKey,
FingerprintData = new List <string>(),
};
var userMetadata = new UserCredMetadata
{
hashedPassword = EncryptionService.hashPassword(password)
};
var asset = new AssetSaved <UserCredAssetData>
{
Type = AssetType.MLT,
Data = userAssetData,
RandomId = _random.Next(0, 100000)
};
var metadata = new MetaDataSaved <UserCredMetadata>
{
data = userMetadata
};
_bigChainDbService.SendCreateTransactionToDataBase(asset, metadata, signPrivateKey);
return(RedirectToAction("Login"));
}
public IActionResult Login(MLTLoginViewModel indexViewModel)
{
ViewBag.DoctorName = HttpContext.Session.GetString(Globals.currentUserName);
if (!ModelState.IsValid)
{
return(View(indexViewModel));
}
string signPrivateKey = null, agreePrivateKey = null;
Assets <UserCredAssetData> userAsset = _bigChainDbService.GetUserAssetFromTypeID(AssetType.MLT, indexViewModel.CSMLSID);
if (userAsset == null)
{
ModelState.AddModelError("", "We could not find a matching user");
return(View(indexViewModel));
}
var hashedKeys = userAsset.data.Data.PrivateKeys;
try
{
EncryptionService.getPrivateKeyFromIDKeyword(indexViewModel.CSMLSID, indexViewModel.MLTKeyword, hashedKeys, out signPrivateKey, out agreePrivateKey);
}
catch
{
ModelState.AddModelError("", "Keyword may be incorrect");
return(View(indexViewModel));
}
UserCredMetadata userMetadata = _bigChainDbService.GetMetadataFromAssetPublicKey <UserCredMetadata>(userAsset.id, EncryptionService.getSignPublicKeyStringFromPrivate(signPrivateKey));
var password = indexViewModel.password;
if (EncryptionService.verifyPassword(password, userMetadata.hashedPassword))
{
HttpContext.Session.SetString(Globals.currentDSPriK, signPrivateKey);
HttpContext.Session.SetString(Globals.currentDAPriK, agreePrivateKey);
HttpContext.Session.SetString(Globals.currentUserName, $"{userAsset.data.Data.FirstName} {userAsset.data.Data.LastName}");
HttpContext.Session.SetString(Globals.currentUserID, userAsset.data.Data.ID);
return(RedirectToAction("PatientLookUp"));
}
else
{
ModelState.AddModelError("", "Password or Keyword incorrect.");
return(View(indexViewModel));
}
}
