fix OAuth authentication

kontor-api/src/apis/version1/login.py

@@ -1,8 +1,9 @@
 from datetime import timedelta
 
-from fastapi import APIRouter, HTTPException, status
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm, OAuth2PasswordBearer, SecurityScopes
 from pydantic import BaseModel
-
+from typing import Annotated
 from src.core.config import settings
 from src.core.log_conf import logger
 from src.core.security import authenticate_user, create_access_token
@@ -39,3 +40,17 @@ def login(request: LoginRequest) -> Token:
         expires_delta=access_token_expires,
     )
     return Token(access_token=access_token, token_type="bearer")
+
+@login_router.post("/token", tags=["login"], summary="Login for access token")
+async def login_for_access_token(
+    form_data: Annotated[OAuth2PasswordRequestForm, Depends()],
+) -> Token:
+    user = authenticate_user(form_data.username, form_data.password)
+    if not user:
+        raise HTTPException(status_code=400, detail="Incorrect username or password")
+    access_token_expires = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+    access_token = create_access_token(
+        data={"sub": user.user_name, "scope": " ".join(form_data.scopes)},
+        expires_delta=access_token_expires,
+    )
+    return Token(access_token=access_token, token_type="bearer")