public OnshapeOAuth(String baseUri, String clientId, String clientSecret, Action <string> logMethod = null)
{
IsLogging = logMethod != null;
logWriter = logMethod;
this.baseUri = baseUri;
this.clientId = clientId;
this.clientSecret = clientSecret;
oLocker = new object();
AuthCode = "";
AccessToken = "";
RefreshToken = "";
Status = OnshapeOAuthStatus.Initialized;
}
private void DoAuthentication()
{
Status = OnshapeOAuthStatus.IsAuthenticating;
Process pWeb = new Process();
pWeb.StartInfo.FileName = AuthPath;
pWeb.StartInfo.WindowStyle = ProcessWindowStyle.Normal;
pWeb.Start();
AddLogEntry("Browser opened...");
Listen();
pWeb.Close();
GetTokens();
if (Status != OnshapeOAuthStatus.Error)
{
Status = OnshapeOAuthStatus.Authenticated;
AddLogEntry("Authentication completed...");
}
}
//After getting callback request token
private void GetTokens()
{
try
{
string strResponse;
AddLogEntry("Sending request for tokens...");
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;
WebRequest wrRequest = WebRequest.Create(String.Format(TOKEN_URI_TEMPLATE, baseUri));
wrRequest.Method = "POST";
wrRequest.ContentType = "application/x-www-form-urlencoded";
StreamWriter swPost = new StreamWriter(wrRequest.GetRequestStream());
swPost.Write(FormAuthReq);
swPost.Flush();
swPost.Close();
AddLogEntry("Request sent...waiting for response...");
WebResponse wrResponse = wrRequest.GetResponse();
AddLogEntry("Processing response...");
StreamReader srResponse = new StreamReader(wrResponse.GetResponseStream());
strResponse = srResponse.ReadToEnd();
srResponse.Close();
JavaScriptSerializer jss = new JavaScriptSerializer();
JSONTokenResponse jtrResponse = (JSONTokenResponse)jss.Deserialize <JSONTokenResponse>(strResponse);
AccessToken = jtrResponse.access_token;
RefreshToken = jtrResponse.refresh_token;
AddLogEntry("Access Token: " + AccessToken);
AddLogEntry("Refresh Token: " + RefreshToken);
}
catch (Exception e)
{
Status = OnshapeOAuthStatus.Error;
AddLogEntry("Error occured in GetTokens: " + e.ToString());
}
}
//Listener for callback
private void Listen()
{
try
{
AddLogEntry("Starting listener...");
HttpListener hlListener = new HttpListener();
hlListener.Prefixes.Add(SERVER_URI + "/");
hlListener.Start();
AddLogEntry("Listener started...");
HttpListenerContext hlcContext = hlListener.GetContext();
AddLogEntry("Listener received request...sending response...");
HttpListenerRequest hlrqRequest = hlcContext.Request;
HttpListenerResponse hlrpResponse = hlcContext.Response;
string strResponse = "<HTML><HEAD><TITLE>Authentication Successful</TITLE></HEAD><BODY>Please close the window.</BODY></HTML>";//This is what people will see after authenticating
byte[] bBuffer = System.Text.Encoding.UTF8.GetBytes(strResponse);
// Get a response stream and write the response to it.
hlrpResponse.ContentLength64 = bBuffer.Length;
System.IO.Stream smOutput = hlrpResponse.OutputStream;
smOutput.Write(bBuffer, 0, bBuffer.Length);
AddLogEntry("Response sent...");
// You must close the output stream.
smOutput.Close();
hlListener.Stop();
AddLogEntry("Listener closed...");
AuthCode = hlrqRequest.QueryString["code"];
AddLogEntry("Authentication code: " + AuthCode);
}
catch (Exception e)
{
AddLogEntry("Error occured in Listen: " + e.ToString());
Status = OnshapeOAuthStatus.Error;
}
}
