Add basic FastAPI auth and React login gate

backend/app/routes/auth.py

@@ -0,0 +1,14 @@
+from datetime import timedelta
+from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi.security import OAuth2PasswordRequestForm
+from app.auth import ACCESS_TOKEN_EXPIRE_MINUTES, Token, authenticate_user, create_access_token, get_current_active_user
+router = APIRouter(prefix='/auth', tags=['auth'])
+@router.post('/token', response_model=Token)
+async def login(form_data: OAuth2PasswordRequestForm = Depends()):
+    user = authenticate_user(form_data.username, form_data.password)
+    if not user: raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail='Incorrect username or password')
+    access_token = create_access_token({'sub': user.username, 'role': user.role}, timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES))
+    return Token(access_token=access_token)
+@router.get('/me')
+async def me(current_user=Depends(get_current_active_user)):
+    return {'username': current_user.username, 'role': current_user.role, 'disabled': current_user.disabled}