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using Microsoft.AspNetCore.Cryptography.KeyDerivation;
using Microsoft.EntityFrameworkCore;
namespace HyperBooru.Services;
public interface IUserService {
public bool ShowNsfw { get; set; }
public event EventHandler<bool> ShowNsfwChanged;
public User User { get; }
}
public class UserService : IUserService {
public bool ShowNsfw {
get => showNsfw;
set {
showNsfw = value;
ShowNsfwChanged?.Invoke(this, value);
}
}
public User User {
get {
if(user is not null)
return user;
using var db = dbFactory.CreateDbContext();
int id = int.Parse(httpContextAccessor
.HttpContext!.User.Claims
.First(c => c.Type == "ObjectId")
.Value);
return user = db.Users.Find(id)!;
}
}
public event EventHandler<bool> ShowNsfwChanged;
private bool showNsfw = false;
private User? user;
private IDbContextFactory<HBContext> dbFactory;
private IHttpContextAccessor httpContextAccessor;
public UserService(
IDbContextFactory<HBContext> dbFactory,
IHttpContextAccessor httpContextAccessor) {
this.dbFactory = dbFactory;
this.httpContextAccessor = httpContextAccessor;
}
public static string HashPassword(string password) =>
Convert.ToBase64String(
KeyDerivation.Pbkdf2(
password,
Array.Empty<byte>(),
KeyDerivationPrf.HMACSHA512,
100_000,
512 / 8));
}
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