private async Task <bool> InvokeReplyPathAsync()
{
if (!Options.CallbackPath.HasValue || !(Options.CallbackPath == Request.Path))
{
return(false);
}
var ticket = await AuthenticateAsync();
if (ticket == null)
{
_logger.WriteWarning("Invalid return state, unable to redirect.");
Response.StatusCode = 500;
return(true);
}
var context = new FacebookReturnEndpointContext(Context, ticket)
{
SignInAsAuthenticationType = Options.SignInAsAuthenticationType,
RedirectUri = ticket.Properties.RedirectUri
};
await Options.Provider.ReturnEndpoint(context);
if (context.SignInAsAuthenticationType != null && context.Identity != null)
{
var claimsIdentity = context.Identity;
if (!string.Equals(claimsIdentity.AuthenticationType, context.SignInAsAuthenticationType, StringComparison.Ordinal))
{
claimsIdentity = new ClaimsIdentity(claimsIdentity.Claims, context.SignInAsAuthenticationType, claimsIdentity.NameClaimType, claimsIdentity.RoleClaimType);
}
Context.Authentication.SignIn(context.Properties, claimsIdentity);
}
if (context.IsRequestCompleted || context.RedirectUri == null)
{
return(context.IsRequestCompleted);
}
var str = context.RedirectUri;
if (context.Identity == null)
{
str = WebUtilities.AddQueryString(str, "error", "access_denied");
}
Response.Redirect(str);
context.RequestCompleted();
return(context.IsRequestCompleted);
}
public override Task ReturnEndpoint(FacebookReturnEndpointContext context)
{
return(base.ReturnEndpoint(context));
}
public Task ReturnEndpoint(FacebookReturnEndpointContext context)
{
return(Task.FromResult <object>(null));
}
