/// <summary>
/// Authorize facebook user in system.
/// </summary>
/// <param name="loginFacebookViewModel">The login facebook view model.</param>
/// <returns></returns>
public UserInfoViewModel LoginFacebook(LoginFacebookViewModel loginFacebookViewModel)
{
User user = this._unitOfWork.UsersRepository.GetFacebookUser(loginFacebookViewModel.Email);
var salt = GenerateSalt();
if (user == null)
{
user = loginFacebookViewModel;
user.Salt = salt;
user.Password = PasswordHashManager.GetPasswordHash(salt, loginFacebookViewModel.Password);
User addedUser = this._unitOfWork.UsersRepository.Create(user);
this._unitOfWork.SaveChanges();
return(this.InitializeUserInfoViewModel(addedUser));
}
else
{
if (user.FB_Link == null)
{
user.FB_Link = "facebook.com/" + loginFacebookViewModel.FbLink;
this._unitOfWork.UsersRepository.Update(user);
this._unitOfWork.SaveChanges();
return(this.InitializeUserInfoViewModel(user));
}
}
return(this.InitializeUserInfoViewModel(user));
}
public string LogInFacebook([FromBody] LoginFacebookViewModel loginFacebookViewModel)
{
try
{
var userInfo = this._userDomainService.LoginFacebook(loginFacebookViewModel);
var userInfoModel = _userDomainService.GetUserInfoViewModel(userInfo.Login);
return(JsonConvert.SerializeObject(this._getAuthorizationType(userInfoModel),
new JsonSerializerSettings {
Formatting = Formatting.Indented
}));
}
catch (Exception ex)
{
return(this._getAuthorizationTypeError(ex.Message));
}
}
public async Task <JsonResult> Login(LoginFacebookViewModel model, string returnUrl)
{
if (ModelState.IsValid)
{
FacebookClient fb = new FacebookClient(model.FacebookTokenId);
dynamic info = fb.Get("me?fields=id");
//kiem tra user da co hay chua. username chinh la id facebook con password la co san
var user = await UserManager.FindAsync(info.id, _password);
//neu da co
if (user != null)
{
//dang nhap
await SignInAsync(user, model.RememberMe);
//thanh cong thi tra ve ket qua thanh cong cho client
return(Json(new
{
result = "success",
message = GlobalRes.LoginSuccess
}));
}
else
{
//neu chua co thi tra ve ket qua khong co user ton tai cho client
return(Json(new
{
result = "failed",
message = GlobalRes.NoUserExists
}));
}
}
// neu id facebook null
return(Json(new
{
result = "failed",
message = GlobalRes.MessageIdFacebookNull
}));
}
public async Task <IActionResult> LoginFacebook([FromBody] LoginFacebookViewModel model)
{
if (!ModelState.IsValid)
{
await NotifyErrorModelInvalid();
return(await ResponseAsync(model));
}
//Remover log
var serializedData = JsonConvert.SerializeObject(model);
// 1.generate an app access token
var appAccessTokenResponse = await _httpClient.GetStringAsync($"https://graph.facebook.com/oauth/access_token?client_id={Options.IdAppFacebook}&client_secret={Options.SecretKeyAppFacebook}&grant_type=client_credentials");
var appAccessToken = JsonConvert.DeserializeObject <ExternalAuthFacebook>(appAccessTokenResponse);
// 2. validate the user access token
var userAccessTokenValidationResponse = await _httpClient.GetStringAsync($"https://graph.facebook.com/debug_token?input_token={model.AccessToken}&access_token={appAccessToken.AccessToken}");
var userAccessTokenValidation = JsonConvert.DeserializeObject <ExternalAuthFacebookTokenValidation>(userAccessTokenValidationResponse);
//Remover log
var serializedData2 = JsonConvert.SerializeObject(userAccessTokenValidation);
if (!userAccessTokenValidation.Data.IsValid)
{
await NotifyError("LoginFacebook", "Erro ao efetuar login com Facebook.");
return(await ResponseAsync(model));
}
// 3. we've got a valid token so we can request user data from fb
//var userInfoResponse = await Client.GetStringAsync($"https://graph.facebook.com/v2.8/me?fields=id,email,first_name,last_name,name,gender,locale,birthday,picture&access_token={model.AccessToken}");
//var userInfo = JsonConvert.DeserializeObject<FacebookUserData>(userInfoResponse);
var user = await _userManager.FindByEmailAsync(model.Email);
if (user == null)
{
user = new ApplicationUser {
Nome = model.Nome, UserName = model.Email, Email = model.Email, FacebookId = model.FacebookId, PictureUrl = model.PictureUrl
};
var resultCreateUser = await _userManager.CreateAsync(user, "X0a@" + Convert.ToBase64String(Guid.NewGuid().ToByteArray()).Substring(0, 8));
if (!resultCreateUser.Succeeded)
{
await NotifyError("LoginFacebook", "Erro ao efetuar login com Facebook..");
await _userManager.DeleteAsync(user);
return(await ResponseAsync(model));
}
}
user = await _userManager.FindByEmailAsync(model.Email);
if (!await _userManager.IsEmailConfirmedAsync(user))
{
var resultConfirmEmail = await _userManager.ConfirmEmailAsync(user, await _userManager.GenerateEmailConfirmationTokenAsync(user));
if (resultConfirmEmail.Succeeded)
{
LoginViewModel loginViewModel = new LoginViewModel();
loginViewModel.Email = model.Email;
var response = await GenerateToken(loginViewModel);
return(await ResponseAsync(response));
}
else
{
await NotifyError("LoginFacebook", "Erro ao efetuar login com Facebook...");
await _userManager.DeleteAsync(user);
return(await ResponseAsync(model));
}
}
else
{
LoginViewModel loginViewModel = new LoginViewModel();
loginViewModel.Email = model.Email;
var response = await GenerateToken(loginViewModel);
return(await ResponseAsync(response));
}
}
