public override async Task <bool> InvokeAsync()
{
if (this.Options.CallbackPath.HasValue && this.Options.CallbackPath == this.Request.Path)
{
var ticket = await this.AuthenticateAsync();
if (ticket == null)
{
this.logger.WriteWarning("Invalid return state, unable to redirect.");
this.Response.StatusCode = 500;
return(true);
}
var context = new CogniStreamerReturnEndpointContext(this.Context, ticket);
context.SignInAsAuthenticationType = this.Options.SignInAsAuthenticationType;
context.RedirectUri = ticket.Properties.RedirectUri;
await this.Options.Provider.ReturnEndpoint(context);
if (context.SignInAsAuthenticationType != null && context.Identity != null)
{
var grantIdentity = context.Identity;
if (!string.Equals(grantIdentity.AuthenticationType, context.SignInAsAuthenticationType, StringComparison.Ordinal))
{
grantIdentity = new ClaimsIdentity(grantIdentity.Claims, context.SignInAsAuthenticationType, grantIdentity.NameClaimType, grantIdentity.RoleClaimType);
}
this.Context.Authentication.SignIn(context.Properties, grantIdentity);
}
if (!context.IsRequestCompleted && context.RedirectUri != null)
{
string redirectUri = context.RedirectUri;
if (context.Identity == null)
{
// Add a redirect hint that sign-in failed in some way
redirectUri = WebUtilities.AddQueryString(redirectUri, "error", "access_denied");
}
this.Response.Redirect(redirectUri);
context.RequestCompleted();
}
return(context.IsRequestCompleted);
}
return(false);
}
