/// <summary>Gets the URL where the user should be redirect to.</summary>
/// <param name="context">The <see cref="ReturnEndpointContext"/> for the current authentication session.</param>
/// <returns>The URL where the user should be redirect to.</returns>
private static string GetRedirectLocation(ReturnEndpointContext context)
{
var location = context.RedirectUri;
if (context.Identity == null)
{
location =
WebUtilities.AddQueryString(
location,
ImgurAuthenticationDefaults.ErrorParameter,
ImgurAuthenticationDefaults.AccessDeniedErrorMessage);
}
return(location);
}
/// <summary>Adds authentication information to the OWIN context to let the appropriate <see cref="AuthenticationMiddleware{TOptions}"/> authenticate the user.</summary>
/// <param name="context">The <see cref="ReturnEndpointContext"/> for the current authentication session.</param>
private void SignIn(ReturnEndpointContext context)
{
if (context.SignInAsAuthenticationType == null || context.Identity == null)
{
return;
}
var identity = context.Identity;
if (!identity.AuthenticationType.Equals(context.SignInAsAuthenticationType, StringComparison.OrdinalIgnoreCase))
{
identity =
new ClaimsIdentity(
identity.Claims,
context.SignInAsAuthenticationType,
identity.NameClaimType,
identity.RoleClaimType);
}
this.Context.Authentication.SignIn(context.Properties, identity);
}