public static APISettings Load()
{
APISettings apiSettings = new APISettings();
try
{
var path = HttpContext.Current.Server.MapPath("~/App_Data/ApiSettings.txt");
if (!System.IO.File.Exists(path))
{
var file = System.IO.File.Create(path);
file.Dispose();
}
using (StreamReader reader = new StreamReader(path))
{
var jsonSettings = reader.ReadToEnd().Trim();
if (!String.IsNullOrEmpty(jsonSettings))
{
apiSettings = JsonConvert.DeserializeObject <APISettings>(jsonSettings);
}
}
}
catch (Exception ex)
{
//throw ex;
}
return(apiSettings);
}
private void AccessToken(APISettings apiSettings = null)
{
_client.DefaultRequestHeaders.Clear();
_client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, "token");
request.Content = new FormUrlEncodedContent(new List <KeyValuePair <string, string> >()
{
new KeyValuePair <string, string>("grant_type", "client_credentials"),
new KeyValuePair <string, string>("client_id", apiSettings.ClientId),
new KeyValuePair <string, string>("client_secret", apiSettings.ClientSecret)
});
var responseTask = _client.SendAsync(request);
while (!responseTask.IsCompleted)
{
}
var result = responseTask.Result;
if (result.IsSuccessStatusCode)
{
var access_token = JsonConvert.DeserializeObject <dynamic>(result.Content.ReadAsStringAsync().Result);
apiSettings.Access_Token = access_token["access_token"];
apiSettings.Refresh_Token = access_token["refresh_token"];
apiSettings.ExpireAccessToken = DateTime.Parse(access_token[".expires"].ToString());
apiSettings.SaveSettings();
}
}
private void RefreshToken(APISettings apiSettings)
{
_client.DefaultRequestHeaders.Clear();
_client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, "token");
request.Content = new FormUrlEncodedContent(new List <KeyValuePair <string, string> >()
{
new KeyValuePair <string, string>("grant_type", "refresh_token"),
new KeyValuePair <string, string>("refresh_token", apiSettings.Refresh_Token)
});
_client.SendAsync(request)
.ContinueWith(responseTask =>
{
if (responseTask.IsCompleted)
{
var result = responseTask.Result;
if (result.IsSuccessStatusCode)
{
var access_token = JsonConvert.DeserializeObject <dynamic>(result.Content.ReadAsStringAsync().Result);
apiSettings.Access_Token = access_token["access_token"];
apiSettings.ExpireAccessToken = DateTime.Parse(access_token[".expires"].ToString());
apiSettings.SaveSettings();
}
else if (result.StatusCode == System.Net.HttpStatusCode.BadRequest)
{
AccessToken(apiSettings);
}
}
});
_client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", apiSettings.Access_Token);
}