public void ConfigureAuth()

in WebPortal/App_Start/Startup.Auth.cs [36:76]
36 lines of code
1 McCabe index (conditional complexity)

        public void ConfigureAuth(IAppBuilder app)
        {
            ApplicationDbContext db = new ApplicationDbContext();
            app.SetDefaultSignInAsAuthenticationType(CookieAuthenticationDefaults.AuthenticationType);
            app.UseCookieAuthentication(new CookieAuthenticationOptions());

            app.UseWindowsAzureActiveDirectoryBearerAuthentication(new WindowsAzureActiveDirectoryBearerAuthenticationOptions
            {
                Tenant = domain,
                AuthenticationType = "OAuth2Bearer",
                TokenValidationParameters = new TokenValidationParameters
                {
                    ValidAudience = graphResourceId,
                    ValidateIssuer = false,
                }
            });

            app.UseOpenIdConnectAuthentication(new OpenIdConnectAuthenticationOptions
            {
                ClientId = clientId,
                Authority = Authority,
                PostLogoutRedirectUri = postLogoutRedirectUri,
                RedirectUri = redirectURI,

                Notifications = new OpenIdConnectAuthenticationNotifications()
                {
                    // If there is a code in the OpenID Connect response, redeem it for an access token and refresh token, and store those away.
                    AuthorizationCodeReceived = (context) =>
                    {
                        var code = context.Code;
                        ClientCredential credential = new ClientCredential(clientId, appKey);
                        string signedInUserID = context.AuthenticationTicket.Identity.FindFirst(ClaimTypes.NameIdentifier).Value;
                        Microsoft.IdentityModel.Clients.ActiveDirectory.AuthenticationContext authContext = new Microsoft.IdentityModel.Clients.ActiveDirectory.AuthenticationContext(Authority, new ADALTokenCache(signedInUserID));
                        AuthenticationResult result = authContext.AcquireTokenByAuthorizationCode(
                        code, new Uri(HttpContext.Current.Request.Url.GetLeftPart(UriPartial.Path)), credential, graphResourceId);

                        return Task.FromResult(0);
                    }
                }
            });
        }