How to redirect to login page in ABP?

Question

1. I download the .NET Core sample from ASP.NET Boilerplate website,
2. change the DB connection string, update DB,
3. run Web Api, show the Swagger successfully,
4. add a Home/Index View, change Home/Index action to return the View, not Swagger,
5. run again, show home page successfully,
6. then add a Home.Account Controller and Home.Account View, login page.
7. Add AbpMvcAuthentication attribute on Home/Index, what I want is when access Home, redirect to login page.

When I go to the Home, it shows an empty page, not Home, nor login page. It seems authenticate failed, but did not redirect to login page.

My question is: how to let AbpMvcAuthentication know which page to redirect when authenticate failed?

Answer 1

There is no login page for the *.Web.Host project, where the redirect to Swagger is.

You should change your Startup Project to *.Web.Mvc instead:

If you just want to login, consider using Swagger authentication helpers from the browser console:

abp.swagger.login();

---

To answer your question, you can re-enable authentication redirect by reverting commit 92b6270:

// What it was (and what you want)
services.AddAuthentication()
    .AddJwtBearer(options =>

// What it is
services.AddAuthentication(options =>
{
    options.DefaultAuthenticateScheme = "JwtBearer";
    options.DefaultChallengeScheme = "JwtBearer";
}).AddJwtBearer("JwtBearer", options =>

Startup.cs:

app.UseAuthentication();

app.UseJwtTokenMiddleware(); // Add this back

app.UseAbpRequestLocalization();

To be clear, this redirects to a blank page since there is no login page for the *.Web.Host project.

This is the opposite of the expected behaviour in ABP 401 response from API instead of redirect.

Also, you can configure login path for redirect:

You can configure that in Startup.cs:

IdentityRegistrar.Register(services);
AuthConfigurer.Configure(services, _appConfiguration);

// Add this line:
services.ConfigureApplicationCookie(options => options.LoginPath = "/Admin/Login");

Related docs: https://learn.microsoft.com/en-us/aspnet/core/migration/1x-to-2x/identity-2x