fastapi_google_authentication_imports.py

from typing import Optional
from datetime import datetime, timedelta

import jwt
from jwt import PyJWTError

from fastapi import Depends, FastAPI, HTTPException
from fastapi.encoders import jsonable_encoder
from fastapi.security.oauth2 import (
    OAuth2,
    OAuthFlowsModel,
    get_authorization_scheme_param,
)
from fastapi.openapi.docs import get_swagger_ui_html
from fastapi.openapi.utils import get_openapi

from starlette.status import HTTP_403_FORBIDDEN
from starlette.responses import RedirectResponse, JSONResponse, HTMLResponse
from starlette.requests import Request

from pydantic import BaseModel

import httplib2
from oauth2client import client
from google.oauth2 import id_token
from google.auth.transport import requests