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ASP.NET Core provides several authorization strategies that can be incorporated through configuration. Here are some steps for configuring various authorization strategies in ASP.NET Core:

  1. Add the required packages for the authorization strategy to the project using NuGet.

  2. Configure the authentication middleware to use the desired authentication provider. This can be done in the Startup.cs file using the ConfigureServices method:

    services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme) .AddJwtBearer(options => { options.ValidateIssuer = true; options.ValidateAudience = true; options.ValidateLifetime = true; options.ValidateIssuerSigningKey = true; options.IssuerSigningKey = new SymmetricSecurityKey(Encoding.ASCII.GetBytes(Configuration["Jwt:SecretKey"])); });

  3. Add the authorization middleware to the pipeline:

    app.UseAuthorization();

  4. Configure the authorization policy in the Startup.cs file using the ConfigureServices method. This can be done as follows:

    services.AddAuthorization(options => { options.AddPolicy("RequireAdminRole", policy => { policy.RequireRole("admin"); }); });

  5. Apply the authorization policy to a controller or action using the Authorize attribute. For example:

    [Authorize(Policy = "RequireAdminRole")] public IActionResult AdminAction() { return View(); }

By following these steps, you can configure various authorization strategies in ASP.NET Core, such as JWT bearer authentication, role-based authorization, and policy-based authorization.