Fix OAuth

classquiz/oauth/github.py

@@ -4,19 +4,19 @@
 
 
 import uuid
+from datetime import datetime
 
 import asyncpg
 import authlib.integrations.base_client
-from fastapi import APIRouter, Request, HTTPException, Response
+from fastapi import APIRouter, HTTPException, Request, Response
+from fastapi.responses import RedirectResponse
+from pydantic import BaseModel
 
 from classquiz.auth import check_token
 from classquiz.config import settings
-from fastapi.responses import RedirectResponse
 from classquiz.db.models import User, UserAuthTypes
-from pydantic import BaseModel
 from classquiz.helpers.avatar import gzipped_user_avatar
 from classquiz.oauth.authenticate_user import log_user_in, rememberme_check
-from datetime import datetime
 from classquiz.oauth.init_oauth import init_oauth
 
 settings = settings()
@@ -76,15 +76,21 @@ class GitHubOauthResponse(BaseModel):
 @router.get("/login")
 async def github_login(req: Request):
     if settings.github_client_id is None or settings.github_client_secret is None:
-        raise HTTPException(status_code=501, detail="GitHub-Login isn't available on this server")
+        raise HTTPException(
+            status_code=501, detail="GitHub-Login isn't available on this server"
+        )
     oauth = init_oauth()
-    return await oauth.github.authorize_redirect(req, f"{settings.root_address}/api/v1/users/oauth/github/auth")
+    return await oauth.github.authorize_redirect(
+        req, f"{settings.root_address}/api/v1/users/oauth/github/auth"
+    )
 
 
 @router.get("/auth")
 async def auth(request: Request, response: Response):
     if settings.github_client_id is None or settings.github_client_secret is None:
-        raise HTTPException(status_code=501, detail="GitHub-Login isn't available on this server")
+        raise HTTPException(
+            status_code=501, detail="GitHub-Login isn't available on this server"
+        )
     access_token = request.cookies.get("access_token")
     rememberme_token = request.cookies.get("rememberme_token")
     if access_token is not None:
@@ -95,7 +101,9 @@ async def auth(request: Request, response: Response):
         except HTTPException:
             pass
     if rememberme_token is not None:
-        return await rememberme_check(rememberme_token=rememberme_token, response=response)
+        return await rememberme_check(
+            rememberme_token=rememberme_token, response=response
+        )
     oauth = init_oauth()
     try:
         token = await oauth.github.authorize_access_token(request)
@@ -107,25 +115,26 @@ async def auth(request: Request, response: Response):
     if user_data.email is None:
         return RedirectResponse("/account/oauth-error?error=email")
         # REGISTER USER
-    try:
-        await User.objects.create(
-            id=uuid.uuid4(),
-            email=user_data.email,
-            username=user_data.login,
-            verified=True,
-            auth_type=UserAuthTypes.GITHUB,
-            avatar=gzipped_user_avatar(),
-        )
-    except asyncpg.exceptions.UniqueViolationError:
-        raise HTTPException(status_code=400, detail="User already exists.")
-    except Exception as e:
-        raise HTTPException(status_code=500, detail=str(e))
     user = await User.objects.get_or_none(
         email=user_data.email,
         username=user_data.login,
         auth_type=UserAuthTypes.GITHUB,
         verified=True,
     )
+    if user is None:
+        try:
+            user = await User.objects.create(
+                id=uuid.uuid4(),
+                email=user_data.email,
+                username=user_data.login,
+                verified=True,
+                auth_type=UserAuthTypes.GITHUB,
+                avatar=gzipped_user_avatar(),
+            )
+        except asyncpg.exceptions.UniqueViolationError:
+            raise HTTPException(status_code=400, detail="User already exists.")
+        except Exception as e:
+            raise HTTPException(status_code=500, detail=str(e))
 
     await log_user_in(user=user, request=request, response=response)
     response.headers.append("Location", "/account/login")