chore: Add Streamlit app with Auth0 integration

app.py

@@ -0,0 +1,60 @@
+"""https://chatgpt.com/share/131b6bdf-373e-4b85-83ae-212ce368e42c"""
+
+import streamlit as st
+from auth0.v3.authentication import GetToken, Users
+import os
+
+# Auth0 Configuration
+DOMAIN = os.getenv("AUTH0_DOMAIN")
+CLIENT_ID = os.getenv("AUTH0_CLIENT_ID")
+CLIENT_SECRET = os.getenv("AUTH0_CLIENT_SECRET")
+API_IDENTIFIER = os.getenv("API_IDENTIFIER")
+REDIRECT_URI = "https://hardware-auth-example.hf.space/callback"
+
+
+# Function to handle Auth0 login
+def login():
+    login_url = (
+        f"https://{DOMAIN}/authorize?response_type=code&client_id={CLIENT_ID}"
+        f"&redirect_uri={REDIRECT_URI}&scope=openid%20profile%20email&audience={API_IDENTIFIER}"
+    )
+    st.markdown(f"[Login]({login_url})", unsafe_allow_html=True)
+
+
+# Function to get tokens using auth code
+def get_token(auth_code):
+    get_token = GetToken(DOMAIN)
+    return get_token.authorization_code(
+        CLIENT_ID, CLIENT_SECRET, auth_code, REDIRECT_URI
+    )
+
+
+# Function to get user info using the access token
+def get_user_info(access_token):
+    users = Users(DOMAIN)
+    return users.userinfo(access_token)
+
+
+# Streamlit App
+st.title("Streamlit App with Auth0 for HiveMQ")
+
+if "auth_code" not in st.session_state:
+    st.session_state.auth_code = None
+
+if st.session_state.auth_code:
+    token_info = get_token(st.session_state.auth_code)
+    access_token = token_info["access_token"]
+
+    user_info = get_user_info(access_token)
+    if user_info["email_verified"]:
+        st.write("Access Token for HiveMQ:", access_token)
+    else:
+        st.error("Please verify your email address to receive the token.")
+else:
+    if st.button("Login"):
+        login()
+
+# To handle the callback
+query_params = st.experimental_get_query_params()
+if "code" in query_params:
+    st.session_state.auth_code = query_params["code"][0]

requirements.txt

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+streamlit
+auth0-python
+requests