private async Task <LinkedProfile> GetProfileInfo(string accessToken, string logFileName, bool writeLog)
{
LinkedProfile profile = null;
string file = logFileName;
try
{
Uri uri = new Uri("https://api.linkedin.com/v1/people/~?format=json");
using (HttpClient client = new HttpClient())
{
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
var response = await client.GetAsync(uri);
if (response.IsSuccessStatusCode)
{
profile = new LinkedProfile();
string content = await response.Content.ReadAsStringAsync();
profile = Newtonsoft.Json.JsonConvert.DeserializeObject <LinkedProfile>(content);
}
}
}
catch (Exception ex)
{
if (writeLog)
{
System.IO.File.AppendAllText(file, Environment.NewLine + System.DateTime.Now.ToString() + "| Exception during getting linkedin profile " + ex.ToString());
}
}
return(profile);
}
public async Task <ActionResult> AuthCallBack(string code, string state)
{
string rootPath = "";
bool writeLog = false;
if (System.Configuration.ConfigurationManager.AppSettings["DebugLogFile"] != null)
{
if (string.IsNullOrEmpty(System.Configuration.ConfigurationManager.AppSettings["DebugLogFile"].ToString()) == false)
{
rootPath = System.Configuration.ConfigurationManager.AppSettings["DebugLogFile"].ToString();
writeLog = true;
}
}
string file = rootPath + System.DateTime.Now.ToString("yyyyMMddhhmm") + "LNK_AuthCallBack.txt";
_linkedInAuthClient = this._authenticationRepository.GetDbContext().LinkedInAuthClients.Where(_linked => _linked.Active).SingleOrDefault();
if (Session["LinkedInState"] != null)
{
if (writeLog)
{
System.IO.File.AppendAllText(file, System.DateTime.Now.ToString() + " Start Callback Linked Process...");
}
string stateOriginal = Session["LinkedInState"].ToString();
if (stateOriginal == state)
{
LinkedInExternalAccessToken verifiedAccessToken = await VerifyExternalAccessToken(code, file, writeLog);
if (verifiedAccessToken == null)
{
if (writeLog)
{
System.IO.File.AppendAllText(file, Environment.NewLine + System.DateTime.Now.ToString() + " Linked In External Access Token not found");
}
return(Content("Error in validating response. Please close window and try again."));
}
else
{
if (writeLog)
{
System.IO.File.AppendAllText(file, Environment.NewLine + System.DateTime.Now.ToString() + " start to read profile from linkedin...");
}
}
if (verifiedAccessToken != null)
{
LinkedProfile profileInfo = await GetProfileInfo(verifiedAccessToken.access_token, file, writeLog);
if (profileInfo != null)
{
User user = await this._authenticationRepository.FindAsync(new UserLoginInfo("linkedin", profileInfo.id));
bool hasRegistered = user != null;
if (hasRegistered == false)
{
if (writeLog)
{
System.IO.File.AppendAllText(file, System.Environment.NewLine + System.DateTime.Now.ToString() + " local account is NOT FOUND for given linked in provider key...");
}
}
else
{
if (writeLog)
{
System.IO.File.AppendAllText(file, System.Environment.NewLine + System.DateTime.Now.ToString() + " local account FOUND for given linked in provider key...");
}
}
ViewBag.Result = true;
ViewBag.ErrorMessage = "";
ViewBag.haslocalaccount = hasRegistered.ToString();
ViewBag.Id = profileInfo.id;
ViewBag.Token = verifiedAccessToken.access_token;
return(View());
}
}
}
else
{
ViewBag.Result = false;
ViewBag.ErrorMessage = "Invalid state for linkedin response. Please close window and try again to login.";
return(View());
}
}
ViewBag.Result = false;
ViewBag.ErrorMessage = "Error during validating response. Please close window and try again to login.";
return(View());
}
public async Task <IHttpActionResult> ObtainLocalAccessToken(string provider, string externalAccessToken)
{
string path = "";
bool writeLog = false;
if (System.Configuration.ConfigurationManager.AppSettings["DebugLogFile"] != null)
{
if (string.IsNullOrEmpty(System.Configuration.ConfigurationManager.AppSettings["DebugLogFile"].ToString()) == false)
{
path = System.Configuration.ConfigurationManager.AppSettings["DebugLogFile"].ToString();
writeLog = true;
}
}
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " start of ObtainLocalAccessToken");
}
if (string.IsNullOrWhiteSpace(provider) || string.IsNullOrWhiteSpace(externalAccessToken))
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " ObtainLocalAccessToken : Provider or external access token is not sent");
}
return(BadRequest("Provider or external access token is not sent"));
}
string providerId = string.Empty;
if (provider.ToLower() == "google")
{
ParsedExternalAccessToken verifyGoogleAccessToken = await VerifyGoogleExternalAccessToken(externalAccessToken);
if (verifyGoogleAccessToken == null)
{
return(BadRequest("Invalid Provider or External Access Token"));
}
providerId = verifyGoogleAccessToken.user_id;
}
if (provider.ToLower() == "facebook")
{
var fb = new Facebook.FacebookClient();
fb.AccessToken = externalAccessToken;
dynamic me = fb.Get("me?fields=first_name,last_name,id,email");
if (string.IsNullOrEmpty(me.email) == true)
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " ObtainLocalAccessToken : email not setup in Facebook.");
}
return(BadRequest("Email is not setup or registered in Facebook."));
}
providerId = me.id;
}
if (provider.ToLower() == "linkedin")
{
LinkedProfile profileInfo = await GetProfileInfo(externalAccessToken, path, writeLog);
if (profileInfo == null)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + "- 1 obtain access token Linkedin..profile into not found ... ");
return(BadRequest("Invalid Provider or External Access Token"));
}
providerId = profileInfo.id;
}
User user = await this._authenticationRepository.FindAsync(new UserLoginInfo(provider, providerId));
bool hasRegistered = user != null;
if (hasRegistered == false)
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " ObtainLocalAccessToken : External user is not registered..");
}
return(BadRequest("External user is not registered"));
}
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " ObtainLocalAccessToken : start generating local access token..");
}
JObject accessTokenResponse = this.GenerateLocalAccessTokenResponse(user);
return(Ok(accessTokenResponse));
}
public async Task <IHttpActionResult> RegisterExternal(ExternalUserBinding model)
{
string path = "";
bool writeLog = false;
if (System.Configuration.ConfigurationManager.AppSettings["DebugLogFile"] != null)
{
if (string.IsNullOrEmpty(System.Configuration.ConfigurationManager.AppSettings["DebugLogFile"].ToString()) == false)
{
path = System.Configuration.ConfigurationManager.AppSettings["DebugLogFile"].ToString();
writeLog = true;
}
}
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " called..RegisterExternal...");
}
if (ModelState.IsValid == false)
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " modelstate is invalid...");
}
return(BadRequest(ModelState));
}
if (model.Provider.ToLower() == "google")
{
ParsedExternalAccessToken googleVerifiedAccessToken = await VerifyGoogleExternalAccessToken(model.ExternalAccessToken);
if (googleVerifiedAccessToken == null)
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " google provider or external access token is not valid...");
}
return(BadRequest("Invalid Provider or External Access Token"));
}
}
var providerId = string.Empty;
string email = string.Empty;
string firstName = string.Empty;
string lastName = string.Empty;
if (model.Provider.ToLower() == "facebook")
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " provider is facebook checking to get client info...");
}
FacebookClient facebookClient = new FacebookClient(model.ExternalAccessToken);
dynamic facebookUserInfo = facebookClient.Get("/me?fields=email,first_name,last_name,id");
if (String.IsNullOrEmpty(facebookUserInfo.email) == true)
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " email is not configured in fb so not proceed...");
}
return(BadRequest("The user has not configured an email address in Facebook."));
}
providerId = facebookUserInfo.id;
email = facebookUserInfo.email;
firstName = String.IsNullOrEmpty(facebookUserInfo.first_name) ? null : facebookUserInfo.first_name;
lastName = String.IsNullOrEmpty(facebookUserInfo.last_name) ? null : facebookUserInfo.last_name;
}
if (model.Provider.ToLower() == "google")
{
GoogleUserOutputData userData = await GetGoogleUserInfo(model.ExternalAccessToken);
if (userData != null)
{
providerId = userData.id;
email = userData.email;
firstName = userData.given_name;
lastName = userData.family_name;
}
}
if (model.Provider.ToLower() == "linkedin")
{
LinkedProfile profileInfo = await GetProfileInfo(model.ExternalAccessToken, path, writeLog);
if (profileInfo != null)
{
providerId = profileInfo.id;
firstName = profileInfo.firstName;
lastName = profileInfo.lastName;
email = model.UserName;
}
}
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " provider id is.." + providerId + " - " + model.Provider);
}
User user = await this._authenticationRepository.FindAsync(new UserLoginInfo(model.Provider, providerId));
bool hasRegistered = user != null;
JObject accessTokenResponse = null;
if (hasRegistered == true)
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " has registered already...generate local access token...");
}
accessTokenResponse = this.GenerateLocalAccessTokenResponse(user);
return(Ok(accessTokenResponse));
}
IdentityResult result;
ExternalLoginInfo externalLoginInfo = new ExternalLoginInfo()
{
DefaultUserName = email,
Login = new UserLoginInfo(model.Provider, providerId)
};
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " find by email... " + email + " - " + model.Provider);
}
user = this._authenticationRepository.FindUserByUserName(email);
bool hasRegisteredLocally = user != null;
if (hasRegisteredLocally == true)
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " registered locaslly so... adding login ..." + email + "-" + model.Provider);
}
if (model.Provider.ToLower() == "linkedin")
{
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " email already exist error..." + email + "-" + model.Provider);
}
return(BadRequest("User already exist with given email address."));
}
result = await this._authenticationRepository.AddLoginAsync(user.Id, externalLoginInfo.Login);
if (!result.Succeeded)
{
return(this.GetErrorResult(result));
}
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " adding login222222 success 3333 so generating access token LOCAL....." + email);
}
accessTokenResponse = this.GenerateLocalAccessTokenResponse(user);
return(Ok(accessTokenResponse));
}
RegisterExternalUserDTO registerExternalUserDTO = new RegisterExternalUserDTO()
{
Email = email,
FirstName = firstName,
LastName = lastName
};
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " registered new external user..." + email);
}
result = await this._authenticationRepository.RegisterNewExternalUser(registerExternalUserDTO);
if (!result.Succeeded)
{
return(this.GetErrorResult(result));
}
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " registered success so getting user again...by FindUserByUserName-" + email);
}
user = this._authenticationRepository.FindUserByUserName(email);
result = await this._authenticationRepository.AddLoginAsync(user.Id, externalLoginInfo.Login);
if (!result.Succeeded)
{
return(this.GetErrorResult(result));
}
if (writeLog)
{
System.IO.File.AppendAllText(path, Environment.NewLine + System.DateTime.Now.ToString() + " generating..local access token user..." + email);
}
//generate access token response
accessTokenResponse = this.GenerateLocalAccessTokenResponse(email);
/*
* string apiKey = SENDGRID_API_KEY;
* SendGridClient sendGridClient = new SendGridClient(apiKey, "https://api.sendgrid.com");
* EmailAddress emailSender = new EmailAddress("*****@*****.**", "Carlito");
* String subject = "Welcome to Carlito.";
* EmailAddress emailRecipient = new EmailAddress(user.Email);
* Content content = new Content("text/html", "Hello world!");
* SendGridMessage mail = MailHelper.CreateSingleEmail(emailSender, emailRecipient, subject, "", "");
*
* mail.TemplateId = "e69e88c0-facf-4512-9e23-d1214e4765a3";
*
* dynamic response = sendGridClient.SendEmailAsync(mail);
*/
return(Ok(accessTokenResponse));
}
