shopping-assistant-api/ShoppingAssistantApi.Infrastructure/InfrastructureExtentions/JwtTokenAuthenticationExtention.cs

using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.IdentityModel.Tokens;
using System.Text;

namespace ShoppingAssistantApi.Infrastructure.InfrastructureExtentions;

public static class JwtTokenAuthenticationExtention
{
    public static IServiceCollection AddJWTTokenAuthentication(this IServiceCollection services,
                                                     IConfiguration configuration)
    {
        services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
        .AddJwtBearer(options =>
        {
            options.TokenValidationParameters = new TokenValidationParameters
            {
                ValidateIssuer = configuration.GetValue<bool>("JsonWebTokenKeys:ValidateIssuer"),
                ValidateAudience = configuration.GetValue<bool>("JsonWebTokenKeys:ValidateAudience"),
                ValidateLifetime = configuration.GetValue<bool>("JsonWebTokenKeys:ValidateLifetime"),
                ValidateIssuerSigningKey = configuration.GetValue<bool>("JsonWebTokenKeys:ValidateIssuerSigningKey"),
                ValidIssuer = configuration.GetValue<string>("JsonWebTokenKeys:ValidIssuer"),
                ValidAudience = configuration.GetValue<string>("JsonWebTokenKeys:ValidAudience"),
                IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(configuration.GetValue<string>("JsonWebTokenKeys:IssuerSigningKey"))),
                ClockSkew = TimeSpan.Zero
            };
        });

        return services;
    }
}