Security/Services/AuthService.cs

@@ -86,4 +86,14 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
             RefreshToken = GenerateRefreshToken()
         };
     }
+
+    public async Task LogoutAsync(string fingerprint, CancellationToken cancellation = default)
+    {
+        var authTokenStruct = await cache.GetAsync<AuthToken>(GetAuthCacheKey(fingerprint), cancellation);
+        if (authTokenStruct == null) return;
+
+        await RevokeAccessToken(authTokenStruct.AccessToken);
+
+        await cache.RemoveAsync(fingerprint, cancellation);
+    }
 }