gistfile1.txt

#!/usr/bin/env python3

from http.server import SimpleHTTPRequestHandler, HTTPServer

class CustomHTTPRequestHandler(SimpleHTTPRequestHandler):
    def do_GET(self):
        if self.path.startswith("/v2/"):
            self.send_response(401)
            self.send_header('Date', 'Tue, 18 Jul 2023 15:43:13 GMT')
            self.send_header('Server', 'Nexus/3.52.0-01 (OSS)')
            self.send_header('X-Content-Type-Options', 'nosniff')
            self.send_header('Content-Security-Policy', 'sandbox allow-forms allow-modals allow-popups allow-presentation allow-scripts allow-top-navigation')
            self.send_header('X-XSS-Protection', '1; mode=block')
            self.send_header('Docker-Distribution-Api-Version', 'registry/2.0')
            self.send_header('Content-Type', 'application/json')
            self.send_header('Content-Length', '113')
            self.send_header('WWW-Authenticate', 'BASIC realm="Sonatype Nexus Repository Manager"')
            self.end_headers()
            self.wfile.write(b'{"error": "Unauthorized"}') # A simple JSON response
        else:
            super().do_GET()

if __name__ == "__main__":
    PORT = 8000
    httpd = HTTPServer(('0.0.0.0', PORT), CustomHTTPRequestHandler)
    print(f"Serving on port {PORT}...")
    httpd.serve_forever()