public LinkedInAccessToken GetLinkedInAccessToken(string username)
{
try
{
return(_linkedInAccessTokenRepository.GetSingle(d => d.UserName == username, d => d.Account));
}
catch (Exception)
{
return(null);
}
}
public IHttpActionResult ExternalLoginCallback(string code, string state)
{
string ProviderName = OpenAuth.GetProviderNameFromCurrentRequest();
string username = "";
string returnURI = "";
// For future user when we integrate with other oauth2 applications
if (ProviderName == null || ProviderName == "")
{
var nvs = Request.GetQueryNameValuePairs();
string stateParam = nvs.LastOrDefault(d => d.Key == "state").Value;
if (state != null)
{
// We need some variables from our state parameter.
NameValueCollection provideritem = HttpUtility.ParseQueryString(stateParam);
if (provideritem["__provider__"] != null)
{
ProviderName = provideritem["__provider__"];
}
if (provideritem["username"] != null)
{
username = provideritem["username"];
// Check to make sure username exists in database.
if (!_accountRepository.Exists(d => d.UserName == username))
{
return(Unauthorized());
}
}
// No username was provided.
else
{
return(Unauthorized());
}
if (provideritem["returnURI"] != null)
{
returnURI = provideritem["returnURI"];
}
}
else
{
return(BadRequest());
}
}
else
{
var nvs = Request.GetQueryNameValuePairs();
string stateParam = nvs.LastOrDefault(d => d.Key == "state").Value;
if (state != null)
{
// We need some variables from our state parameter.
NameValueCollection provideritem = HttpUtility.ParseQueryString(stateParam);
if (provideritem["username"] != null)
{
username = provideritem["username"];
// Check to make sure username exists in database.
if (!_accountRepository.Exists(d => d.UserName == username))
{
return(Unauthorized());
}
}
// No username was provided.
else
{
return(Unauthorized());
}
if (provideritem["returnURI"] != null)
{
returnURI = provideritem["returnURI"];
}
}
else
{
return(BadRequest());
}
}
// Rewrite the request to include the requested headers and info for exchanging
// the authorization code for a LinkedIn access token
LinkedInOAuth2Client.RewriteRequest();
// Now that the request has been rewritten, make the call and include the same callback uri provided earlier
var authResult = OpenAuth.VerifyAuthentication(_externalCallBack);
// For future user when we integrate with other oauth2 applications
string providerDisplayName = OpenAuth.GetProviderDisplayName(ProviderName);
//If the verification process failed
if (!authResult.IsSuccessful)
{
return(Unauthorized());
}
else
{
//Get provider user details
string providerUserId = authResult.ProviderUserId;
string providerUserName = authResult.UserName;
string firstName = null;
string lastName = null;
string accessToken = null;
string email = null;
if (email == null && authResult.ExtraData.ContainsKey("email-address"))
{
email = authResult.ExtraData["email-address"];
}
if (firstName == null && authResult.ExtraData.ContainsKey("first-name"))
{
firstName = authResult.ExtraData["first-name"];
}
if (lastName == null && authResult.ExtraData.ContainsKey("last-name"))
{
lastName = authResult.ExtraData["last-name"];
}
if (accessToken == null && authResult.ExtraData.ContainsKey("accesstoken"))
{
accessToken = authResult.ExtraData["accesstoken"];
}
var userInfo = new List <object>();
userInfo.Add(new
{
ProviderDisplayName = providerDisplayName,
ProviderUserId = providerUserId,
FirstName = firstName,
LastName = lastName,
Email = email,
AccessToken = accessToken
});
try
{
// If the given user already has a LinkedIn access token
if (_linkedInAccessTokenRepository.Exists(d => d.UserName == username, d => d.Account))
{
LinkedInAccessToken token = _linkedInAccessTokenRepository.GetSingle(d => d.UserName == username, d => d.Account);
token.Expired = false;
token.TokenCreation = DateTime.UtcNow;
token.Value = accessToken;
_linkedInAccessTokenRepository.Update(token);
}
else
{
LinkedInAccessToken token = new LinkedInAccessToken()
{
UserName = username,
TokenCreation = DateTime.UtcNow,
Value = accessToken
};
_linkedInAccessTokenRepository.Insert(token);
}
} catch (Exception)
{
return(InternalServerError());
}
if (returnURI != "null")
{
// Try the given redirectUri
try
{
return(Redirect(returnURI + "?linkedin=success"));
}
// If it fails, go with the default
catch (Exception)
{
return(Redirect("http://localhost:8080/Home?linkedin=success"));
}
}
return(Redirect("http://localhost:8080/Home?linkedin=success"));
}
}
