/// <summary> /// Adds <see cref="OpenIdAuthenticationMiddleware{TOptions}"/> to the specified /// <see cref="IApplicationBuilder"/>, which enables OpenID2 authentication capabilities. /// </summary> /// <param name="app">The <see cref="IApplicationBuilder"/>.</param> /// <param name="configuration">The delegate used to configure the OAuth2 options.</param> /// <returns>The <see cref="IApplicationBuilder"/>.</returns> public static IApplicationBuilder UseOpenIdAuthentication( [NotNull] this IApplicationBuilder app, [NotNull] Action<OpenIdAuthenticationOptions> configuration) { if (app == null) { throw new ArgumentNullException(nameof(app)); } if (configuration == null) { throw new ArgumentNullException(nameof(configuration)); } var options = new OpenIdAuthenticationOptions(); configuration(options); return app.UseMiddleware<OpenIdAuthenticationMiddleware<OpenIdAuthenticationOptions>>(Options.Create(options)); }