private async void Browser_Navigated(object sender, WebBrowserNavigatedEventArgs e)
{
try
{
int index = e.Url.PathAndQuery.IndexOf("code=");
if (index >= 0)
{
var token = e.Url.PathAndQuery.Substring(index + "code=".Length);
index = token.IndexOf("&");
if (index >= 0)
{
token = token.Substring(0, index);
}
var resourceId = (m_credential.SelectedServer != null) ? m_credential.SelectedServer.ResourceId : null;
Browser.Visible = false;
m_token = await m_client.RequestTokenWithAuthenticationCodeAsync(m_credential, resourceId, token);
DialogResult = DialogResult.OK;
}
}
catch (Exception exception)
{
ShowError(exception);
}
}
private async Task <OAuth2AccessToken> RequestTokenAsync(Uri url, Dictionary <string, string> fields)
{
HttpClient client = new HttpClient();
client.BaseAddress = url;
client.DefaultRequestHeaders.Accept.Clear();
var content = new System.Net.Http.FormUrlEncodedContent(fields);
HttpResponseMessage response = await client.PostAsync("", content);
if (!response.IsSuccessStatusCode)
{
throw new HttpRequestException(response.ReasonPhrase);
}
OAuth2AccessToken token = new OAuth2AccessToken();
var strm = await response.Content.ReadAsStreamAsync();
var reader = new JsonTextReader(new System.IO.StreamReader(strm));
while (reader.Read())
{
if (reader.TokenType == JsonToken.PropertyName)
{
string name = (string)reader.Value;
reader.Read();
switch (name)
{
case "error":
{
throw new HttpRequestException((string)reader.Value);
}
case "resource":
{
token.ResourceId = (string)reader.Value;
break;
}
case "scope":
{
token.Scope = (string)reader.Value;
break;
}
case "refresh_token":
{
token.RefreshToken = (string)reader.Value;
break;
}
case "expires_on":
{
long seconds = 0;
if (Int64.TryParse((string)reader.Value, out seconds))
{
token.ExpiresOn = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc).AddSeconds(seconds);
}
break;
}
case "access_token":
{
token.AccessToken = (string)reader.Value;
break;
}
}
}
}
return(token);
}
