private static void HandleTokenResponse(HttpContext context, OAuthToken token, OAuthError error)
{
Dictionary<string, string> cookieValues = new Dictionary<string, string>();
HttpCookie cookie = context.Request.Cookies[wlCookie];
HttpCookie newCookie = new HttpCookie(wlCookie);
newCookie.Path = "/";
newCookie.Domain = context.Request.Headers["Host"];
if (cookie != null && cookie.Values != null)
{
foreach (string key in cookie.Values.AllKeys)
{
newCookie[key] = cookie[key];
}
}
if (token != null)
{
JsonWebToken userInfo = ReadUserInfoFromAuthToken(token);
// The userInfo contains identifiable information about the user.
// You may add some logic here.
newCookie[OAuthConstants.AccessToken] = HttpUtility.UrlEncode(token.AccessToken);
newCookie[OAuthConstants.AuthenticationToken] = HttpUtility.UrlEncode(token.AuthenticationToken);
newCookie[OAuthConstants.Scope] = HttpUtility.UrlPathEncode(token.Scope);
newCookie[OAuthConstants.ExpiresIn] = HttpUtility.UrlEncode(token.ExpiresIn);
if (!string.IsNullOrEmpty(token.RefreshToken))
{
SaveRefreshToken(token.RefreshToken);
}
}
if (error != null)
{
newCookie[OAuthConstants.Error] = HttpUtility.UrlEncode(error.Code);
newCookie[OAuthConstants.ErrorDescription] = HttpUtility.UrlPathEncode(error.Description);
}
context.Response.Cookies.Add(newCookie);
}
protected void Page_Load(object sender, EventArgs e)
{
HttpContext context = HttpContext.Current;
if (!string.IsNullOrEmpty(Request.QueryString[OAuthConstants.AccessToken]))
{
// There is a token available already. It should be the token flow. Ignore it.
return;
}
string verifier = Request.QueryString[OAuthConstants.Code];
OAuthToken token;
OAuthError error;
if (!string.IsNullOrEmpty(verifier))
{
RequestAccessTokenByVerifier(verifier, out token, out error);
HandleTokenResponse(context, token, error);
return;
}
string refreshToken = ReadRefreshToken();
if (!string.IsNullOrEmpty(refreshToken))
{
RequestAccessTokenByRefreshToken(refreshToken, out token, out error);
HandleTokenResponse(context, token, error);
return;
}
string errorCode = Request.QueryString[OAuthConstants.Error];
string errorDesc = Request.QueryString[OAuthConstants.ErrorDescription];
if (!string.IsNullOrEmpty(errorCode))
{
error = new OAuthError(errorCode, errorDesc);
HandleTokenResponse(context, null, error);
}
}
private static void HandleTokenResponse(HttpContext context, OAuthToken token, OAuthError error)
{
Dictionary<string, string> cookieValues = new Dictionary<string, string>();
HttpCookie cookie = context.Request.Cookies[wlCookie];
HttpCookie newCookie = new HttpCookie(wlCookie);
newCookie.Path = "/";
newCookie.Domain = context.Request.Headers["Host"];
if (cookie != null && cookie.Values != null)
{
foreach (string key in cookie.Values.AllKeys)
{
newCookie[key] = cookie[key];
}
}
if (token != null)
{
newCookie[OAuthConstants.AccessToken] = HttpUtility.UrlEncode(token.AccessToken);
newCookie[OAuthConstants.Scope] = HttpUtility.UrlPathEncode(token.Scope);
newCookie[OAuthConstants.ExpiresIn] = HttpUtility.UrlEncode(token.ExpiresIn);
if (!string.IsNullOrEmpty(token.RefreshToken))
{
SaveRefreshToken(token.RefreshToken);
}
}
if (error != null)
{
newCookie[OAuthConstants.Error] = HttpUtility.UrlEncode(error.Code);
newCookie[OAuthConstants.ErrorDescription] = HttpUtility.UrlPathEncode(error.Description);
}
context.Response.Cookies.Add(newCookie);
}
private static void RequestAccessTokenByVerifier(string verifier, out OAuthToken token, out OAuthError error)
{
string content = String.Format("client_id={0}&redirect_uri={1}&client_secret={2}&code={3}&grant_type=authorization_code",
HttpUtility.UrlEncode(clientId),
HttpUtility.UrlEncode(callback),
HttpUtility.UrlEncode(clientSecret),
HttpUtility.UrlEncode(verifier));
RequestAccessToken(content, out token, out error);
}
private static void RequestAccessToken(string postContent, out OAuthToken token, out OAuthError error)
{
token = null;
error = null;
HttpWebRequest request = WebRequest.Create(oauthUrl) as HttpWebRequest;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
try
{
using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
{
writer.Write(postContent);
}
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
if (response != null)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(OAuthToken));
token = serializer.ReadObject(response.GetResponseStream()) as OAuthToken;
if (token != null)
{
return;
}
}
}
catch (WebException e)
{
HttpWebResponse response = e.Response as HttpWebResponse;
if (response != null)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(OAuthError));
error = serializer.ReadObject(response.GetResponseStream()) as OAuthError;
}
}
catch (IOException)
{
}
if (error == null)
{
error = new OAuthError("request_failed", "Failed to retrieve user access token.");
}
}
private static void RequestAccessTokenByRefreshToken(string refreshToken, out OAuthToken token, out OAuthError error)
{
string content = String.Format("client_id={0}&redirect_uri={1}&client_secret={2}&refresh_token={3}&grant_type=refresh_token",
HttpUtility.UrlEncode(clientId),
HttpUtility.UrlEncode(callback),
HttpUtility.UrlEncode(clientSecret),
HttpUtility.UrlEncode(refreshToken));
RequestAccessToken(content, out token, out error);
}
private static void RequestAccessTokenByRefreshToken(string refreshToken, out OAuthToken token, out OAuthError error)
{
string content = String.Format("client_id={0}&redirect_uri={1}&client_secret={2}&refresh_token={3}&grant_type=refresh_token",
HttpUtility.UrlEncode(clientId),
HttpUtility.UrlEncode(callback),
HttpUtility.UrlEncode(clientSecret),
HttpUtility.UrlEncode(refreshToken));
RequestAccessToken(content, out token, out error);
}
private static void RequestAccessTokenByVerifier(string verifier, out OAuthToken token, out OAuthError error)
{
string content = String.Format("client_id={0}&redirect_uri={1}&client_secret={2}&code={3}&grant_type=authorization_code",
HttpUtility.UrlEncode(clientId),
HttpUtility.UrlEncode(callback),
HttpUtility.UrlEncode(clientSecret),
HttpUtility.UrlEncode(verifier));
RequestAccessToken(content, out token, out error);
}
private static void RequestAccessToken(string postContent, out OAuthToken token, out OAuthError error)
{
token = null;
error = null;
HttpWebRequest request = WebRequest.Create(oauthUrl) as HttpWebRequest;
request.Method = "POST";
try
{
using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
{
writer.Write(postContent);
}
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
if (response != null)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(OAuthToken));
token = serializer.ReadObject(response.GetResponseStream()) as OAuthToken;
if (token != null)
{
return;
}
}
}
catch (WebException e)
{
HttpWebResponse response = e.Response as HttpWebResponse;
if (response != null)
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(OAuthError));
error = serializer.ReadObject(response.GetResponseStream()) as OAuthError;
}
}
catch (IOException)
{
}
if (error == null)
{
error = new OAuthError("request_failed", "Failed to retrieve user access token.");
}
}
private static void HandleTokenResponse(HttpContext context, OAuthToken token, OAuthError error)
{
Dictionary <string, string> cookieValues = new Dictionary <string, string>();
HttpCookie cookie = context.Request.Cookies[wlCookie];
HttpCookie newCookie = new HttpCookie(wlCookie);
newCookie.Path = "/";
newCookie.Domain = context.Request.Headers["Host"];
if (cookie != null && cookie.Values != null)
{
foreach (string key in cookie.Values.AllKeys)
{
newCookie[key] = cookie[key];
}
}
if (token != null)
{
newCookie[OAuthConstants.AccessToken] = HttpUtility.UrlEncode(token.AccessToken);
newCookie[OAuthConstants.Scope] = HttpUtility.UrlPathEncode(token.Scope);
newCookie[OAuthConstants.ExpiresIn] = HttpUtility.UrlEncode(token.ExpiresIn);
if (!string.IsNullOrEmpty(token.RefreshToken))
{
SaveRefreshToken(token.RefreshToken);
}
}
if (error != null)
{
newCookie[OAuthConstants.Error] = HttpUtility.UrlEncode(error.Code);
newCookie[OAuthConstants.ErrorDescription] = HttpUtility.UrlPathEncode(error.Description);
}
context.Response.Cookies.Add(newCookie);
}
private static void HandleTokenResponse(HttpContext context, OAuthToken token, OAuthError error)
{
Dictionary <string, string> cookieValues = new Dictionary <string, string>();
HttpCookie cookie = context.Request.Cookies[wlCookie];
HttpCookie newCookie = new HttpCookie(wlCookie);
newCookie.Path = "/";
newCookie.Domain = context.Request.Headers["Host"];
if (cookie != null && cookie.Values != null)
{
foreach (string key in cookie.Values.AllKeys)
{
newCookie[key] = cookie[key];
}
}
if (token != null)
{
JsonWebToken userInfo = ReadUserInfoFromAuthToken(token);
// The userInfo contains identifiable information about the user.
// You may add some logic here.
newCookie[OAuthConstants.AccessToken] = HttpUtility.UrlEncode(token.AccessToken);
newCookie[OAuthConstants.AuthenticationToken] = HttpUtility.UrlEncode(token.AuthenticationToken);
newCookie[OAuthConstants.Scope] = HttpUtility.UrlPathEncode(token.Scope);
newCookie[OAuthConstants.ExpiresIn] = HttpUtility.UrlEncode(token.ExpiresIn);
if (!string.IsNullOrEmpty(token.RefreshToken))
{
SaveRefreshToken(token.RefreshToken);
}
}
if (error != null)
{
newCookie[OAuthConstants.Error] = HttpUtility.UrlEncode(error.Code);
newCookie[OAuthConstants.ErrorDescription] = HttpUtility.UrlPathEncode(error.Description);
}
context.Response.Cookies.Add(newCookie);
}
private void HandleTokenResponse(HttpContext context, OAuthToken token, OAuthError error)
{
NameValueCollection nvc = new NameValueCollection();
if (token != null)
{
nvc[OAuthConstants.AccessToken] = HttpUtility.UrlEncode(token.AccessToken);
nvc[OAuthConstants.Scope] = HttpUtility.UrlPathEncode(token.Scope);
nvc[OAuthConstants.ExpiresIn] = HttpUtility.UrlEncode(token.ExpiresIn);
if (!string.IsNullOrEmpty(token.RefreshToken))
{
SaveRefreshToken(token.RefreshToken);
}
}
if (error != null)
{
nvc[OAuthConstants.Error] = HttpUtility.UrlEncode(error.Code);
nvc[OAuthConstants.ErrorDescription] = HttpUtility.UrlPathEncode(error.Description);
}
StringBuilder sb = new StringBuilder();
sb.Append(clientId);
sb.Append('?');
bool hasAppeneded = false;
foreach (string key in nvc.AllKeys)
{
if (hasAppeneded)
{
sb.Append('&');
}
else
{
hasAppeneded = true;
}
sb.Append(key);
sb.Append('=');
sb.Append(nvc[key]);
}
this.Response.Redirect(sb.ToString());
}
