public ActionResult AuthenticateCallback(AuthenticateCallBackInputModel inputModel)
{
#region Input Model Validation
if (!ModelState.IsValid)
{
throw new ArgumentException(
"Some binding errors occured. This means at least one Request value (eg. form post or querystring parameter) provided is invalid. Generally, we need a ProviderName as a string.");
}
if (string.IsNullOrEmpty(inputModel.ProviderKey))
{
throw new ArgumentException(
"ProviderKey value missing. You need to supply a valid provider key so we know where to redirect the user Eg. providerkey=google.");
}
#endregion
var previousRedirectUrl = string.IsNullOrEmpty(_cache[SessionKeyRedirectToProviderUrl])
? "N.A."
: _cache[SessionKeyRedirectToProviderUrl];
TraceSource.TraceInformation("Previous Redirect Url: " + previousRedirectUrl);
#region Deserialize Tokens, etc.
// Retrieve any (previously) serialized access token stuff. (eg. public/private keys and state).
// TODO: Check if this is an access token or an auth token thingy-thing.
TraceSource.TraceVerbose("Retrieving (local serializaed) AccessToken, State and RedirectToUrl.");
var state = _cache[SessionKeyState];
var redirectToUrl = _cache[SessionKeyReturnToUrl];
#endregion
// Lets now start to setup the view model.
var model = new AuthenticateCallbackData();
#region Retrieve the User Information
try
{
// Which provider did we just authenticate with?
var provider = GetAuthenticationProvider(inputModel.ProviderKey);
model.ProviderName = provider.Name;
// Where do we return to, after we've authenticated?
var callbackUri = GenerateCallbackUri(provider.Name, _configurationOptions?.BasePath);
// Grab the user information.
model.AuthenticatedClient = provider.AuthenticateClient(Request.QueryString, state, callbackUri);
}
catch (Exception exception)
{
TraceSource.TraceError(exception.Message);
model.Exception = exception;
}
#endregion
// Do we have an optional redirect resource? Usually a previous referer?
if (redirectToUrl != null)
{
TraceSource.TraceVerbose("Found redirectToUrl: " + redirectToUrl);
model.ReturnUrl = redirectToUrl;
}
// Finally! We can hand over the logic to the consumer to do whatever they want.
TraceSource.TraceVerbose("About to execute your custom callback provider logic.");
return _callbackProvider.Process(HttpContext, model);
}
public ActionResult AuthenticateCallback(AuthenticateCallBackInputModel inputModel)
{
#region Input Model Validation
if (!ModelState.IsValid)
{
throw new ArgumentException(
"Some binding errors occured. This means at least one Request value (eg. form post or querystring parameter) provided is invalid. Generally, we need a ProviderName as a string.");
}
if (string.IsNullOrEmpty(inputModel.ProviderKey))
{
throw new ArgumentException(
"ProviderKey value missing. You need to supply a valid provider key so we know where to redirect the user Eg. providerkey=google.");
}
#endregion
var previousRedirectUrl = string.IsNullOrEmpty((string)Session[SessionKeyRedirectToProviderUrl])
? "N.A."
: (string)Session[SessionKeyRedirectToProviderUrl];
TraceSource.TraceInformation("Previous Redirect Url: " + previousRedirectUrl);
#region Deserialize Tokens, etc.
// Retrieve any (previously) serialized access token stuff. (eg. public/private keys and state).
// TODO: Check if this is an access token or an auth token thingy-thing.
TraceSource.TraceVerbose("Retrieving (local serializaed) AccessToken, State and RedirectToUrl.");
var state = Session[SessionKeyState] as string;
var redirectToUrl = Session[SessionKeyReturnToUrl] as string;
#endregion
// Lets now start to setup the view model.
var model = new AuthenticateCallbackData();
#region Retrieve the User Information
try
{
// Which provider did we just authenticate with?
var provider = GetAuthenticationProvider(inputModel.ProviderKey);
// Where do we return to, after we've authenticated?
var callbackUri = GenerateCallbackUri(provider.Name);
// Grab the user information.
model.AuthenticatedClient = provider.AuthenticateClient(Request.QueryString, state, callbackUri);
}
catch (Exception exception)
{
TraceSource.TraceError(exception.Message);
model.Exception = exception;
}
#endregion
// Do we have an optional redirect resource? Usually a previous referer?
if (redirectToUrl != null)
{
TraceSource.TraceVerbose("Found redirectToUrl: " + redirectToUrl);
model.ReturnUrl = redirectToUrl;
}
// Finally! We can hand over the logic to the consumer to do whatever they want.
TraceSource.TraceVerbose("About to execute your custom callback provider logic.");
return(_callbackProvider.Process(HttpContext, model));
}