public async Task <bool> InvokeReturnPathAsync()
{
var model = await HandleAuthenticateOnceAsync();
if (model == null)
{
Logger.LogWarning("Invalid return state, unable to redirect.");
Response.StatusCode = 500;
return(true);
}
var context = new TwitterReturnEndpointContext(Context, model)
{
SignInScheme = Options.SignInScheme,
RedirectUri = model.Properties.RedirectUri
};
model.Properties.RedirectUri = null;
await Options.Notifications.ReturnEndpoint(context);
if (context.SignInScheme != null && context.Principal != null)
{
await Context.Authentication.SignInAsync(context.SignInScheme, context.Principal, context.Properties);
}
if (!context.IsRequestCompleted && context.RedirectUri != null)
{
if (context.Principal == null)
{
// add a redirect hint that sign-in failed in some way
context.RedirectUri = QueryHelpers.AddQueryString(context.RedirectUri, "error", "access_denied");
}
Response.Redirect(context.RedirectUri);
context.RequestCompleted();
}
return(context.IsRequestCompleted);
}
/// <summary>
/// Invoked prior to the <see cref="System.Security.Claims.ClaimsIdentity"/> being saved in a local cookie and the browser being redirected to the originally requested URL.
/// </summary>
/// <param name="context"></param>
/// <returns>A <see cref="Task"/> representing the completed operation.</returns>
public virtual Task ReturnEndpoint(TwitterReturnEndpointContext context)
{
return OnReturnEndpoint(context);
}
/// <summary>
/// Invoked prior to the <see cref="System.Security.Claims.ClaimsIdentity"/> being saved in a local cookie and the browser being redirected to the originally requested URL.
/// </summary>
/// <param name="context"></param>
/// <returns>A <see cref="Task"/> representing the completed operation.</returns>
public virtual Task ReturnEndpoint(TwitterReturnEndpointContext context)
{
return(OnReturnEndpoint(context));
}