PetriePanel/WebAPI/Startup.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Claims;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.Cookies;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OpenApi.Models;
using WebAPI.Auth;
using WebAPI.Data;

namespace WebAPI
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
            AppSettings.Init(configuration);
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddControllers();
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo {Title = "Petrie Panel Web API", Version = "v1"});
                c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme()
                {
                    Description = "JWT Token",
                    Name = "Authorization",
                    In = ParameterLocation.Header,
                    Type = SecuritySchemeType.Http,
                    Scheme = "Bearer"
                });
                c.AddSecurityRequirement(new OpenApiSecurityRequirement()
                {
                    {
                        new OpenApiSecurityScheme
                        {
                            Reference = new OpenApiReference
                            {
                                Type = ReferenceType.SecurityScheme,
                                Id = "Bearer"
                            },
                            Scheme = "oauth2",
                            Name = "Bearer",
                            In = ParameterLocation.Header,

                        },
                        new List<string>()
                    }
                });
            });
            services.AddDbContext<AppDbContext>(options => options.UseNpgsql(Configuration.GetConnectionString("DefaultConnection")));
            services.AddScoped<PterodactylService>();
            services.AddScoped<OIDCService>();
            services.AddScoped<CustomAuthorizationFilter>();
            services.AddAuthentication(opt =>
            {
                opt.DefaultScheme = OIDCTokenAuthenticationDefaults.DefaultScheme;
            })
                .AddScheme<OIDCTokenAuthenticationOptions, OIDCTokenAuthenticationHandler>(
                OIDCTokenAuthenticationDefaults.DefaultScheme,
                opt =>
                {
                    opt.OIDCClientId = AppSettings.OIDCClientId;
                    opt.OIDCClientSecret = AppSettings.OIDCClientSecret;
                    opt.OIDCIntrospectionEndpoint = AppSettings.OIDCIntrospectionEndpoint;
                });
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseSwagger();
                app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "WebAPI v1"));
            }

            app.UseHttpsRedirection();

            app.UseRouting();

            app.UseAuthentication();
            app.UseAuthorization();

            app.UseEndpoints(endpoints => { endpoints.MapControllers(); });
        }
    }
}