Rewrite to Quart web-framework, refactor code.

yellow/auth.py

@@ -0,0 +1,28 @@
+import peewee
+from quart import session, redirect, url_for
+
+from yellow.factory import openid
+from yellow.models import User
+
+
+@openid.after_token()
+async def handle_user_login(resp: dict):
+    access_token = resp["access_token"]
+    openid.verify_token(access_token)
+
+    user = await openid.user_info(access_token)
+    username = user['preferred_username']
+    uid = user['sub']
+
+    try:
+        user = User.select().where(User.id == uid).get()
+    except peewee.DoesNotExist:
+        user = None
+
+    if not user:
+        # create new user if it does not exist yet
+        user = User.create(id=uid, username=username)
+
+    # user is now logged in
+    session['user'] = user.to_json()
+    return redirect(url_for('bp_routes.root'))