Provide configs from client code

Author: ArtyomVancyan

main.py

@@ -1,5 +1,7 @@
 import json
+import os
 
+from dotenv import load_dotenv
 from fastapi import FastAPI, Request, APIRouter
 from fastapi.responses import HTMLResponse
 from fastapi.templating import Jinja2Templates
@@ -10,6 +12,7 @@
 from fastapi_oauth2.middleware import OAuth2Middleware
 from fastapi_oauth2.router import router as oauth2_router
 
+load_dotenv()
 router = APIRouter()
 templates = Jinja2Templates(directory="templates")
 
@@ -25,12 +28,15 @@ async def root(request: Request):
 app.include_router(oauth2_router)
 app.add_middleware(OAuth2Middleware, config={
     "allow_http": True,
+    "jwt_secret": os.getenv("JWT_SECRET"),
+    "jwt_expires": os.getenv("JWT_EXPIRES"),
+    "jwt_algorithm": os.getenv("JWT_ALGORITHM"),
     "clients": [
         OAuth2Client(
             backend=GithubOAuth2,
-            client_id="eccd08d6736b7999a32a",
-            client_secret="642999c1c5f2b3df8b877afdc78252ef5b594d31",
-            redirect_uri="http://127.0.0.1:8000/",
+            client_id=os.getenv("OAUTH2_CLIENT_ID"),
+            client_secret=os.getenv("OAUTH2_CLIENT_SECRET"),
+            # redirect_uri="http://127.0.0.1:8000/",
             scope=["user:email"],
         ),
     ]

src/fastapi_oauth2/config.py

@@ -1,20 +1,8 @@
 import os
 from typing import List
 
-from dotenv import load_dotenv
-
 from .client import OAuth2Client
 
-load_dotenv()
-
-OAUTH2_CLIENT_ID = os.getenv("OAUTH2_CLIENT_ID")
-OAUTH2_CLIENT_SECRET = os.getenv("OAUTH2_CLIENT_SECRET")
-OAUTH2_CALLBACK_URL = os.getenv("OAUTH2_CALLBACK_URL")
-
-JWT_SECRET = os.getenv("JWT_SECRET")
-JWT_ALGORITHM = os.getenv("JWT_ALGORITHM")
-JWT_EXPIRES = int(os.getenv("JWT_EXPIRES", "15"))
-
 
 class OAuth2Config:
     allow_http: bool
@@ -32,8 +20,10 @@ def __init__(
             jwt_algorithm: str = "HS256",
             clients: List[OAuth2Client] = None,
     ):
+        if allow_http:
+            os.environ["OAUTHLIB_INSECURE_TRANSPORT"] = "1"
         self.allow_http = allow_http
         self.jwt_secret = jwt_secret
-        self.jwt_expires = jwt_expires
+        self.jwt_expires = int(jwt_expires)
         self.jwt_algorithm = jwt_algorithm
         self.clients = clients or []