public static OAuth2TokenInfo CreateFromJson(string json)
{
var jsonObj = JsonConvert.DeserializeObject <Json>(json);
var token = new OAuth2TokenInfo();
token.AccessToken = jsonObj.access_token;
token.ExpiresIn = jsonObj.expires_in;
token.RefreshToken = jsonObj.refresh_token;
token.IdToken = jsonObj.id_token;
return(token);
}
public async Task <OAuth2TokenInfo> GetTokenInfoAsync(OAuth2Credential credential, string redirectUri, string authorizationCode)
{
var queryParams = new Dictionary <string, string>();
queryParams.Add("code", authorizationCode);
queryParams.Add("client_id", credential.ClientId);
queryParams.Add("client_secret", credential.ClientSecret);
queryParams.Add("redirect_uri", redirectUri);
queryParams.Add("grant_type", "authorization_code");
var queryString = _net.GetQueryString(queryParams);
var request = _net.CreateHttp(TokenEndpoint);
request.Method = "POST";
request.Headers[HttpRequestHeader.ContentType] = "application/x-www-form-urlencoded";
request.Headers[HttpRequestHeader.ContentLength] = Encoding.UTF8.GetByteCount(queryString).ToString();
using (var stream = await request.GetRequestStreamAsync().ConfigureAwait(false))
using (var writer = new StreamWriter(stream))
{
await writer.WriteAsync(queryString).ConfigureAwait(false);
}
DateTime issuedTime = DateTime.UtcNow;
using (var response = await request.GetResponseAsync().ConfigureAwait(false))
{
var jsonContent = await _net.GetResponseTextAsync(response).ConfigureAwait(false);
if (response.StatusCode == HttpStatusCode.OK)
{
var tokenInfo = OAuth2TokenInfo.CreateFromJson(jsonContent);
tokenInfo.IssuedTime = issuedTime;
return(tokenInfo);
}
else
{
throw new WebException(jsonContent, WebExceptionStatus.ReceiveFailure);
}
}
}
