/// <summary>
/// Fetches access/refresh tokens from the provider and sends them to the data
/// storage service to be saved for subsequent requests.
/// </summary>
/// <param name="requestBody">Key-value attributes to be sent with the request.</param>
/// <returns>The response from the provider.</returns>
private HttpResponseMessage FetchTokens(Dictionary <string, string> requestBody)
{
using (HttpClient client = new HttpClient())
{
// Build token endpoint URL.
string url = new Uri(new Uri(_appSettings.Value.AuthBaseUri), "token").ToString();
var clientId = _appSettings.Value.AuthClientId;
var clientSecret = _appSettings.Value.AuthClientSecret;
// Set request headers.
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/x-www-form-urlencoded"));
client.DefaultRequestHeaders.TryAddWithoutValidation(
"Authorization", "Basic " + Base64Encode(_appSettings.Value.AuthClientId + ":" + _appSettings.Value.AuthClientSecret));
// Fetch tokens from auth server.
HttpResponseMessage response = client.PostAsync(url, new FormUrlEncodedContent(requestBody)).Result;
// Save the access/refresh tokens in the Session.
_dataStorageService.SetTokensFromResponse(response);
return(response);
}
}
