public static AuthenticationFormSur From(IAuthenticationForm form)
{
if (form == null)
{
return(null);
}
var formAsclassic = form as AuthenticationFormClassic;
if (formAsclassic != null)
{
return((AuthenticationFormClassicSur)formAsclassic);
}
//return new AuthenticationFormClassicSur()
//{
// AuthenticationMethod = formAsclassic.AuthenticationMethod,
// CryptoProvider = formAsclassic.CryptoProvider,
// Login = formAsclassic.Login,
// HashOfPassword = formAsclassic.HashOfPassword,
// HashAlgotitm = formAsclassic.HashAlgotitm
//};
var formAsSign = form as AuthenticationFormSign;
if (formAsSign != null)
{
return((AuthenticationFormSignSur)formAsSign);
}
//return new AuthenticationFormSignSur()
//{
// AuthenticationMethod = formAsSign.AuthenticationMethod,
// CryptoProvider = formAsSign.CryptoProvider,
// Login = formAsSign.Login,
// Sign = formAsSign.Sign,
// Hash = formAsSign.Hash,
// SignantureAlgoritmName = formAsSign.SignantureAlgoritmName
//};
return(new AuthenticationFormSur()
{
AuthenticationMethod = form.AuthenticationMethod,
CryptoProvider = form.CryptoProvider,
Login = form.Login
});
}
public Presenter(IMainForm v1, IAuthenticationForm v3, IProjectForm v2, IModel s)
{
_mainView = v1;
_projectView = v2;
_storage = s;
_authenticationForm = v3;
_mainView.MainFormInitialized += () => initIssuesIssues();
_mainView.CloseMainView += () => StopThread();
_mainView.ShowProjects += () => ShowProjectsView();
_mainView.NewIssue += () => ShowNewIssueView();
_mainView.showJournals += () => OpenJournalsForm(_mainView.getSelectedIssueID());
_mainView.ApplyFilter += () => SendFilterQuery(_mainView.getFilter());
_mainView.IssueUpdate += () => OpenUpdateIssueView(_mainView.getSelectedIssueID());
_mainView.NewProject += () => ShowNewProjectView();
_projectView.ShowProjects += () => ShowProj();
_projectView.ShowDetailsView += () => OpenProjDetailsForm(_projectView.getSelectedProjID());
_authenticationForm.checkAuthentication += () => checkAuthentication(_authenticationForm.getLogin(), _authenticationForm.getPassword());
_storage.AuthenticationPassed += () => RunMV();
}
//public abstract UserForm GetPublicKey();
/// <exception cref="ArgumentNullException">form == null. -или- resultOfOperation == null.</exception>
public abstract Task <Tuple <UserFormSurrogate, OfflineMessagesConcurent> > AuthenticateUserAsync(
IAuthenticationForm formAuth,
CryptoFactoryBase cryptoFactory, CryptoInfo choosenCrypto, ResultOfOperation resultOfOperation);
//public override UserForm GetPublicKey()
//{
// var formNew = new UserForm();
// if (CryptoProvider == CryptoProvider.CngMicrosoft)
// {
// if (AsymmetricAlgorithm is RSACng)
// {
// var rsa = (RSACng) AsymmetricAlgorithm;
// //var cngKeyBlob = rsa.Key.Export(CngKeyBlobFormat.GenericPublicBlob);
// var key = rsa.ExportParameters(false);
// var cngKeyBlob = Serializer.Serialize(key, false);
// formNew = new UserForm()
// {
// CryptoProvider = CryptoProvider.CngMicrosoft,
// PublicKeyParamsBlob = cngKeyBlob
// };
// }
// }
// return formNew;
//}
///// <exception cref="ArgumentNullException">form == null. -или- resultOfOperation == null.</exception>
//public override UserForm AuthenticateUser(UserForm form, out IEnumerable<byte[]> messages,
// ResultOfOperation resultOfOperation)
//{
// if (form == null)
// throw new ArgumentNullException(nameof(form)) { Source = GetType().AssemblyQualifiedName };
// if (resultOfOperation == null)
// throw new ArgumentNullException(nameof(resultOfOperation)) { Source = GetType().AssemblyQualifiedName };
// messages = new byte[0][];
// var formWasFinded = UsersF.FirstOrDefault((registrationForm => registrationForm.Login.Equals(form.Login)));
// var KeyBlob = formWasFinded.SignPublicKeyBlob;
// if (KeyBlob == null)
// {
// resultOfOperation.ErrorMessage = "Пользователь не зарегистрирован.";
// resultOfOperation.OperationWasFinishedSuccessful = false;
// return null;
// }
// form.SignPublicKeyBlob = KeyBlob;
// if (!form.ValidateSign(false, resultOfOperation))
// return null;
// if (OfflineMessagesF.ContainsKey(form.Login))
// messages = OfflineMessagesF[form.Login].MessagesAsBytes.ToArray();
// return form;
//}
/// <exception cref="ArgumentNullException">form == null. -или- resultOfOperation == null.</exception>
public override async Task <Tuple <UserFormSurrogate, OfflineMessagesConcurent> > AuthenticateUserAsync(IAuthenticationForm formAuth,
CryptoFactoryBase cryptoFactory, CryptoInfo choosenCrypto, ResultOfOperation resultOfOperation)
{
if (formAuth == null)
{
throw new ArgumentNullException(nameof(formAuth))
{
Source = GetType().AssemblyQualifiedName
}
}
;
if (resultOfOperation == null)
{
throw new ArgumentNullException(nameof(resultOfOperation))
{
Source = GetType().AssemblyQualifiedName
}
}
;
//messages = null;
try
{
//var formWasFinded = UsersF.First(registrationForm => registrationForm.Login.Equals(formAuth.Login));
var formWasFinded =
await
UsersF.Users.FirstAsync(registrationForm => registrationForm.Login == formAuth.Login)
.ConfigureAwait(false);
switch (formAuth.AuthenticationMethod)
{
case AuthenticationMethod.Classic:
var formClassicAuth = formAuth as IAuthenticationFormClassic;
if (formClassicAuth == null)
{
throw new InvalidCastException("Преобразование из типа IAuthenticationForm в тип " +
"IAuthenticationFormClassic завершилось с ошибкой.")
{
Source = GetType().AssemblyQualifiedName
}
}
;
var hashAlg = cryptoFactory.CreateHashAlgorithm(choosenCrypto.Provider, formClassicAuth.HashAlgotitm);
var hashOfTruePass = hashAlg.ComputeHash(Encoding.UTF8.GetBytes(formWasFinded.Password));
if (hashOfTruePass.SequenceEqual(formClassicAuth.HashOfPassword))
{
resultOfOperation.OperationWasFinishedSuccessful = true;
}
else
{
resultOfOperation.ErrorMessage = "Правильность пароля под сомнением?";
resultOfOperation.OperationWasFinishedSuccessful = false;
}
break;
case AuthenticationMethod.Sign:
var formSignAuth = formAuth as IAuthenticationFormSign;
if (formSignAuth == null)
{
throw new InvalidCastException("Преобразование из типа IAuthenticationForm в тип " +
"IAuthenticationFormSign завершилось с ошибкой.")
{
Source = GetType().AssemblyQualifiedName
}
}
;
var signAlg = cryptoFactory.CreateSignAlgoritm(formSignAuth.CryptoProvider, formSignAuth.SignantureAlgoritmName);
//var signAlg = cryptoFactory.CreateSignAlgoritm(choosenCrypto.Provider, formSignAuth.SignantureAlgoritmName);
signAlg.Import(formWasFinded.KeyParametrsBlob.Key);
if (signAlg.VerifySign(formSignAuth.Hash, formSignAuth.Sign))
{
resultOfOperation.OperationWasFinishedSuccessful = true;
}
else
{
resultOfOperation.ErrorMessage = "Достоверность цифровой подписи под сомнением?";
resultOfOperation.OperationWasFinishedSuccessful = false;
}
break;
}
OfflineMessagesConcurent messages;
OfflineMessagesF.TryRemove(formWasFinded.Login, out messages);
if (messages == null)
{
messages = new OfflineMessagesConcurent(formWasFinded.Login);
}
return(new Tuple <UserFormSurrogate, OfflineMessagesConcurent>(formWasFinded, messages));
}
catch (InvalidOperationException ex)
{
CreateResultWithError(3, resultOfOperation, formAuth.Login);
return(null);
}
}
