handling authentication

.gitignore

@@ -0,0 +1 @@
+.env

README.md

@@ -7,6 +7,10 @@ sdk: docker
 pinned: false
 ---
 
+to run locally: chainlit run app.py -w
+
+---
+
 Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
 
 Create a Dockerfile as follows:

app.py

@@ -1,5 +1,22 @@
 import chainlit as cl
+from dotenv import load_dotenv
+from typing import Optional
+import os
 
+@cl.on_chat_start
+async def on_chat_start():
+    load_dotenv()
+    app_user = cl.user_session.get("user")
+    await cl.Message(f"Hello {app_user.username}").send()
+
+@cl.password_auth_callback
+def auth_callback(username: str, password: str) -> Optional[cl.AppUser]:
+    _username=os.environ.get('MY_USERNAME')
+    _password=os.environ.get('MY_PASSWORD')
+    if (username.upper(), password) == (_username, _password):
+        return cl.AppUser(username=_username, role="USER", provider="credentials")
+    else:
+        return None
 
 @cl.on_message
 async def main(message: cl.Message):

requirements.txt

@@ -1,2 +1,4 @@
 chainlit
+load_dotenv
+Optional
 uvicorn