app.py

import os
import gradio as gr

# Get tokens from environment
ACCESS_TOKEN = os.environ.get("ACCESS_TOKEN")
read_key = os.environ.get('HF_TOKEN')

# Load external app (returns a component)
demo_app = gr.load("userIdc2024/lipsync-video-generator", token=read_key, src="spaces")

# Token verification function
def verify_token(user_token):
    if user_token == ACCESS_TOKEN:
        return gr.update(visible=True), gr.update(visible=False), ""
    else:
        return gr.update(visible=False), gr.update(visible=True), "❌ Invalid token. Please try again."

# Build main UI
with gr.Blocks() as protected_app:
    gr.Markdown("## 🔐 Enter Access Token to Use the App")

    token_input = gr.Textbox(label="Access Token", type="password")
    verify_btn = gr.Button("Unlock App")
    error_msg = gr.Markdown("", visible=False)

    app_container = gr.Column(visible=False)
    with app_container:
        demo_app.render()  # Safe here since it's gr.load()

    verify_btn.click(
        fn=verify_token,
        inputs=token_input,
        outputs=[app_container, error_msg, error_msg]
    )

# Launch
protected_app.launch()