private string CheckForAuthCode()
{
WebClient client = new WebClient();
NameValueCollection form = new NameValueCollection();
form.Add("client_id", App.ClientId);
form.Add("client_secret", App.ClientSecret);
form.Add("code", deviceCode);
form.Add("grant_type", "http://oauth.net/grant_type/device/1.0");
client.Headers.Add(HttpRequestHeader.ContentType, "application/x-www-form-urlencoded");
Dictionary <string, string> tokenData = new Dictionary <string, string>();
byte[] responseBytes = client.UploadValues(" https://accounts.google.com/o/oauth2/token", "POST", form);
string data = Encoding.ASCII.GetString(responseBytes);
tokenData = MainWindow.DeserializeJson(data);
if (tokenData.ContainsKey("error"))
{
if (tokenData["error"] == "authorization_pending")
{
return(string.Empty);
}
if (tokenData["error"] == "slow_down")
{
timer.Interval = timer.Interval + 1000;
return(string.Empty);
}
}
else
{
mainWindow.GetTokenFromResponse(tokenData);
if (this.Dispatcher.CheckAccess())
{
this.Close();
}
else
{
this.Dispatcher.Invoke(DispatcherPriority.Normal, new ThreadStart(this.Close));
}
}
return(string.Empty);
}
private void StartAuthProcess()
{
string scope = "https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/plus.me";
try
{
WebClient client = new WebClient();
NameValueCollection form = new NameValueCollection();
form.Add("client_id", App.ClientId);
form.Add("scope", scope);
client.Headers.Add(HttpRequestHeader.ContentType, "application/x-www-form-urlencoded");
Dictionary <string, string> tokenData = new Dictionary <string, string>();
byte[] responseBytes = client.UploadValues("https://accounts.google.com/o/oauth2/device/code", "POST", form);
string data = Encoding.ASCII.GetString(responseBytes);
/* Response format
* {
* "device_code" : "4/WKNrvQ52UMnvPjvcr3mUZ-uCG1Gg",
* "user_code" : "iiirrjga",
* "verification_url" : "http://www.google.com/device",
* "expires_in" : 1800,
* "interval" : 5
* }
*/
tokenData = MainWindow.DeserializeJson(data);
link.Text = tokenData["verification_url"];
code.Text = tokenData["user_code"];
deviceCode = tokenData["device_code"];
timer.Interval = int.Parse(tokenData["interval"]) * 1000;
}
catch (Exception ex)
{
var stream = ((System.Net.WebException)(ex)).Response.GetResponseStream();
byte[] buffer = new byte[stream.Length];
stream.Read(buffer, 0, (int)stream.Length);
string response = Encoding.UTF8.GetString(buffer);
MessageBox.Show("Unable to obtain device code: " + response);
}
}
