Facebook にログインして、このリンクを使用してトークンを取得しようとしています: https://www.facebook.com/dialog/oauth?client_id=282892925078054&redirect_uri=https://www.facebook.com/&response_type=token
私のコードは次のようになりますが、上記のリンクをリクエストすると無効なリンクが表示されます。
CookieCollection cookies = new CookieCollection();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://www.facebook.com/login.php?login_attempt=1");
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(cookies);
//Get the response from the server and save the cookies from the first request..
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
cookies = response.Cookies;
string getUrl = "https://www.facebook.com/login.php?login_attempt=1";
string postData = String.Format("email={0}&pass={1}", email, pass);
HttpWebRequest getRequest = (HttpWebRequest)WebRequest.Create(getUrl);
getRequest.CookieContainer = new CookieContainer();
getRequest.CookieContainer.Add(cookies); //recover cookies First request
getRequest.Method = WebRequestMethods.Http.Post;
getRequest.UserAgent = "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2";
getRequest.AllowWriteStreamBuffering = true;
getRequest.ProtocolVersion = HttpVersion.Version11;
getRequest.AllowAutoRedirect = true;
getRequest.ContentType = "application/x-www-form-urlencoded";
byte[] byteArray = Encoding.ASCII.GetBytes(postData);
getRequest.ContentLength = byteArray.Length;
Stream newStream = getRequest.GetRequestStream(); //open connection
newStream.Write(byteArray, 0, byteArray.Length); // Send the data.
newStream.Close();
HttpWebResponse getResponse = (HttpWebResponse)getRequest.GetResponse();
cookies = getResponse.Cookies;
using (StreamReader sr = new StreamReader(getResponse.GetResponseStream()))
{
string sourceCode = sr.ReadToEnd();
}
//Get the token
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create("https://www.facebook.com/dialog/oauth?client_id=282892925078054&redirect_uri=https://www.facebook.com/&response_type=token");
getRequest.CookieContainer = new CookieContainer();
getRequest.CookieContainer.Add(cookies);
webRequest.AllowAutoRedirect = false;
HttpWebResponse rresponse = (HttpWebResponse)webRequest.GetResponse();
if (rresponse.StatusCode == HttpStatusCode.Redirect)
{
Console.WriteLine("redirected to: " + rresponse.GetResponseHeader("Location"));
}
私を助けてください。前もって感謝します。