"""A temporary screen without external scripts, secrets or network calls.""" import os from http.server import BaseHTTPRequestHandler, HTTPServer from urllib.parse import urlsplit port = int(os.environ.get("ESF_PORT", "4100")) base_path = os.environ.get("ESF_BASE_PATH", "").rstrip("/") if not 4100 <= port <= 4999: raise ValueError("Unsupported web port.") page = b'Private scratchpad

Your temporary scratchpad

This example sends no network requests. Text disappears when this session closes.

Notes' class Handler(BaseHTTPRequestHandler): def do_GET(self): if urlsplit(self.path).path not in ("/", base_path, base_path + "/"): self.send_error(404) return self.send_response(200) self.send_header("Content-Type", "text/html; charset=utf-8") self.send_header("Cache-Control", "no-store") self.send_header("Content-Security-Policy", "default-src 'none'; form-action 'none'; base-uri 'none'") self.send_header("X-Content-Type-Options", "nosniff") self.end_headers() self.wfile.write(page) def log_message(self, *args): pass # Do not record requests or user data. HTTPServer(("0.0.0.0", port), Handler).serve_forever()