/// <summary>
/// アクセストークンを更新します。
/// </summary>
/// <param name="account">対象のアカウント</param>
public static async Task<bool> RefreshAccessToken(UserAccountEntity account)
{
var dic = new Dictionary<String, String>();
dic["grant_type"] = "refresh_token";
dic["client_id"] = Constants.CONSUMER_KEY;
dic["client_secret"] = Constants.CONSUMER_SECRET;
dic["refresh_token"] = account.GetRefreshToken();
account.SetAccessToken("updating", null);
account.SetRefreshTime(1000);
var theAuthClient = new HttpClient();
HttpContent header = new FormUrlEncodedContent(dic);
HttpResponseMessage response;
try
{
response = await theAuthClient.PostAsync(EndPoints.OAUTH_TOKEN, header);
}
catch (WebException)
{
return false;
}
if (response.StatusCode != HttpStatusCode.OK) return false;
string responseContent = await response.Content.ReadAsStringAsync();
JObject o = JObject.Parse(responseContent);
account.SetAccessToken((String) o["access_token"], (String) o["refresh_token"]);
account.SetRefreshTime(long.Parse((String) o["expires_in"]));
CroudiaAuthEntity authEntity = CroudiaAuthEntity.Parse(responseContent);
AppSettings["refreshToken"] = authEntity.RefreshToken;
AppSettings["accessToken"] = authEntity.AccessToken;
AppSettings.Save();
return true;
}