Completed initial login functionality

1 files changed, 41 insertions, 1 deletions

diff --git a/Services/UserService.cs b/Services/UserService.cs
index d2abea3..1a2bd8f 100644
--- a/Services/UserService.cs
+++ b/Services/UserService.cs
@@ -1,9 +1,14 @@
-namespace HyperBooru.Services;
+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 {
@@ -15,7 +20,42 @@ public class UserService : IUserService {
         }
     }
 
+    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));
 }