async Task oAuthLogin(UserModel user)
{
//Authenticate against ADFS and NW Gateway
oAuthLogin oauthlogin = new oAuthLogin();
user.Username = user.Username + "@jkintranet.com";
String access_token = await oauthlogin.LoginUserAsync(user);
if ((access_token != "" && access_token != Constants._userNotExistInNWGateway) && access_token != Constants._gatewayUrlError)
{
//Store Username and Password in global Area
Constants._user = user;
//Store Username and Password in local shared preference
Settings.Username = user.Username;
Settings.Password = user.Password;
//Retrieving Hotel Code
try
{
await hotelInformationAndLogin();
}
catch (Exception)
{
await DisplayAlert(Constants._headerConnectionLost, Constants._networkerror, Constants._buttonOkay);
}
}
else if (access_token == Constants._gatewayUrlError)
{
await DisplayAlert(Constants._headerConnectionLost, Constants._gatewayUrlError, Constants._buttonOkay);
}
else
{
if (access_token == Constants._userNotExistInNWGateway)
{
await DisplayAlert(Constants._headerMessage, Constants._userNotExistInNWGateway, Constants._buttonClose);
}
else
{
await DisplayAlert(Constants._headerWrongCredentials, Constants._incorrectlogincredentials, Constants._buttonClose);
LoginEntryUsername.Text = "";
LoginEntryPassword.Text = "";
LoginEntryUsername.Focus();
}
}
stopLoading();
}
public async Task <string> GetODataService(string url, string postBody)
{
string xcsrf_token = "";
string cookie_value = "";
try
{
//Refresh Token if expires
if (Convert.ToDateTime(Settings.ExpiresTime) <= DateTime.Now)
{
//Authenticate against ADFS and NW Gateway
oAuthLogin oauthlogin = new oAuthLogin();
String access_token = await oauthlogin.LoginUserAsync(Constants._user);
if (access_token == "" && access_token == Constants._userNotExistInNWGateway)
{
userLogout.logout();
}
}
CookieContainer cookies = new CookieContainer();
HttpClientHandler handler = new HttpClientHandler();
handler.CookieContainer = cookies;
using (var client = new HttpClient(handler))
{
//Get X-CSRF-TOKEN
client.BaseAddress = new Uri(Constants._gatewayURL + url);
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", Constants._access_token);
client.DefaultRequestHeaders.Add("x-csrf-token", "fetch");
//GET data
HttpResponseMessage response = await client.GetAsync(Constants._gatewayURL + url);
xcsrf_token = response.Headers.GetValues("X-CSRF-Token").FirstOrDefault();
Uri uri = new Uri(Constants._gatewayURL + url);
IEnumerable <Cookie> responseCookies = cookies.GetCookies(uri).Cast <Cookie>();
foreach (Cookie cookie in responseCookies)
{
if (Constants._cookie == cookie.Name)
{
cookie_value = cookie.Value;
}
}
}
if (xcsrf_token != "" && cookie_value != "")
{
//Post Method
Uri baseUri = new Uri(Constants._gatewayURL + url);
HttpClientHandler clientHandler = new HttpClientHandler();
//Set Cookie in Post
clientHandler.CookieContainer.Add(baseUri, new Cookie(Constants._cookie, cookie_value));
using (var client_post = new HttpClient(clientHandler))
{
client_post.BaseAddress = new Uri(Constants._gatewayURL + url);
client_post.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", Constants._access_token);
client_post.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
//Set Token in Post
client_post.DefaultRequestHeaders.Add("X-CSRF-Token", xcsrf_token);
new APILogger().Logger($"Access Token :{Constants._access_token} ***** X-CSRF-Token :{xcsrf_token}");
//Post json content
var response = client_post.PostAsync(Constants._gatewayURL + url, new StringContent(postBody, Encoding.UTF8, "application/json")).Result;
if (response.IsSuccessStatusCode)
{
var perRes = response.Content.ReadAsStringAsync();
return(perRes.Result);
}
else
{
var perRes2 = response.Content.ReadAsStringAsync();
return(perRes2.Result);
}
}
}
else
{
new APILogger().Logger($"Post Method Error ***** Token or cookie is not available");
return("Token or cookie is not available");
}
}
catch (Exception e)
{
new APILogger().Logger($"Post Method Exception :{e.StackTrace} ***** Post Method Exception Msg :{e.Message}");
return("Error");
}
}
