Add backend structure with Docker support and initial configuration files

Signed-off-by: Dmitrii <computer@yawaflua.tech> Took 4 hours 25 minutes
2026-06-28 08:20:33 +03:00
parent 7862597f45
commit eee0d44c92
46 changed files with 3141 additions and 125 deletions
@@ -0,0 +1,64 @@
+using System.Security.Claims;
+using System.Text.Encodings.Web;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
+using SpMega.Backend.Persistent.Database;
+
+namespace SpMega.Backend.Authetication;
+
+public class JwtAuthHandler(
+    IOptionsMonitor<JwtAuthenticationSchemeOptions> options,
+    ILoggerFactory logger,
+    UrlEncoder encoder,
+    AppDbContext dbContext) : AuthenticationHandler<JwtAuthenticationSchemeOptions>(options, logger, encoder)
+{
+
+    protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
+    {
+        if (!Request.Headers.ContainsKey("Authorization") || !Request.Headers.Authorization.ToString().StartsWith("Bearer "))
+            return AuthenticateResult.NoResult();
+
+        var token = Request.Headers.Authorization.ToString().Replace("Bearer ", "");
+
+        if (string.IsNullOrEmpty(token))
+        {
+            return AuthenticateResult.Fail("Invalid authorization header format");
+        }
+
+        try
+        {
+            var user = await dbContext.Users.FirstOrDefaultAsync(k => k.Token == token);
+
+            if (user == null)
+            {
+                return AuthenticateResult.Fail("Invalid or expired token");
+            }
+
+            var claims = new List<Claim>
+            {
+                new(ClaimTypes.NameIdentifier, user.Id.ToString()),
+                new(ClaimTypes.Name, user.Username),
+                new("UserId", user.Id.ToString()),
+                new("Token", token),
+                new(ClaimTypes.Role, "default")
+            };
+
+            var claimsIdentity = new ClaimsIdentity(claims, Scheme.Name);
+            var claimsPrincipal = new ClaimsPrincipal(claimsIdentity);
+
+            Context.Items["User"] = user;
+            Context.Items["@me"] = user;
+            Context.Items["user"] = user;
+
+            var ticket = new AuthenticationTicket(claimsPrincipal, Scheme.Name);
+
+            return AuthenticateResult.Success(ticket);
+        }
+        catch (Exception ex)
+        {
+            Logger.LogError(ex, "Error during JWT authentication");
+            return AuthenticateResult.Fail("Authentication error occurred");
+        }
+    }
+}