app.py

from flask import Flask, request, Response, send_from_directory

import subprocess

app = Flask(__name__, static_folder='static')

@app.route('/')
def serve_index():
    return send_from_directory(app.static_folder, 'index.html')

@app.route('/<path:path>')
def serve_static(path):
    return send_from_directory(app.static_folder, path)

@app.route('/download', methods=['POST'])
def download():
    url = request.form.get('url')
    if not url:
        return Response('Error: URL not provided', status=400)

    try:
        p = subprocess.Popen([
            'node', '/usr/src/app/node_modules/single-file-cli/single-file-node.js',
            '--browser-executable-path', '/usr/bin/chromium-browser',
            url, '--dump-content'
        ], stdout=subprocess.PIPE, stderr=subprocess.PIPE)

        stdout, stderr = p.communicate()

        if p.returncode != 0:
            return Response(f"Error downloading the page: {stderr.decode('utf-8')}", status=500)

        return Response(
            stdout,
            mimetype="text/html",
            headers={
                "Content-Disposition": "attachment; filename=downloaded_page.html"
            }
        )
    except Exception as e:
        return Response(f"Error: {str(e)}", status=500)

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=7860)