Govor/Govor.API/Program.cs

using System.Text;
using Govor.API.Hubs;
using Govor.API.Services;
using Govor.API.Services.AdminsStuff;
using Govor.API.Services.AdminsStuff.Interfaces;
using Govor.API.Services.Authentication;
using Govor.API.Services.Authentication.Interfaces;
using Govor.Core.Infrastructure.Extensions;
using Govor.Core.Infrastructure.Validators;
using Govor.Core.Models;
using Govor.Core.Repositories.MediasAttachments;
using Govor.Core.Repositories.Messages;
using Govor.Core.Repositories.Users;
using Govor.Data;
using Govor.Data.Repositories;
using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.IdentityModel.Tokens;

var builder = WebApplication.CreateBuilder(args);

var configuration = builder.Configuration;
var services = builder.Services;

builder.Configuration.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true);

builder.Services.AddCors(options =>
{
    options.AddPolicy("AllowFrontend", policy =>
    {
        policy.WithOrigins("http://localhost:3000", "https://localhost:3000")
            .AllowAnyHeader()
            .AllowAnyMethod()
            .AllowCredentials();
    });
});

builder.Services.Configure<JwtOption>(configuration.GetSection(nameof(JwtOption)));

// Add services
builder.Services.AddSignalR();

builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
    .AddJwtBearer(JwtBearerDefaults.AuthenticationScheme, options =>
    {
        options.TokenValidationParameters = new TokenValidationParameters
        {
            ValidateIssuer = false,
            ValidateAudience = false,
            ValidateLifetime = true,
            ValidateIssuerSigningKey = true,
            IssuerSigningKey = new SymmetricSecurityKey(
                Encoding.UTF8.GetBytes(builder.Configuration["JwtOption:SecretKeу"]!))
        };
        options.Events = new JwtBearerEvents
        {
            OnMessageReceived = context =>
            {
                var accessToken = context.Request.Query["access_token"];
                var path = context.HttpContext.Request.Path;
                if (!string.IsNullOrEmpty(accessToken) && path.StartsWithSegments("/api/chats"))
                {
                    context.Token = accessToken;
                }
                return Task.CompletedTask;
            }
        };
    });

builder.Services.AddAuthorization(); 




builder.Services.AddControllers();

builder.Services.AddScoped<IPasswordHasher, PasswordHasher>();
builder.Services.AddScoped<IJwtService, JwtService>();
builder.Services.AddScoped<IAccountService, AuthService>();
builder.Services.AddScoped<IUsersRepository, UsersRepository>();
builder.Services.AddScoped<IObjectValidator<User>, UserValidator>();
builder.Services.AddScoped<IObjectValidator<Message>, MessageValidator>();
builder.Services.AddScoped<IObjectValidator<MediaAttachments>, MediaAttachmentsValidator>();
builder.Services.AddScoped<IMessagesRepository, MessagesRepository>();
builder.Services.AddScoped<IMediaAttachmentsRepository, MediaAttachmentsRepository>();
builder.Services.AddScoped<IUsersAdministration, UsersService>();

builder.Services.AddDbContext<GovorDbContext>(
    options =>
    {
        options.UseNpgsql(builder.Configuration.GetConnectionString(nameof(GovorDbContext)));
    }
);

builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
//builder.Services.AddOpenApi();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
    //app.MapOpenApi();

    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();

app.UseRouting();

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

app.MapControllers();
app.MapHub<ChatsHub>("/api/chats"); 

app.Map("/", () => "Not for browsers");

app.Run();