https://github.com/sethmlarson/hstspreload

Chromium HSTS Preload list as a Python package and updated daily.
https://github.com/sethmlarson/hstspreload

chromium hsts http http-client https preload tls

Last synced: 10 months ago
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Chromium HSTS Preload list as a Python package and updated daily.

• Host: GitHub
• URL: https://github.com/sethmlarson/hstspreload
• Owner: sethmlarson
• License: bsd-3-clause
• Created: 2019-07-25T15:40:37.000Z (over 6 years ago)
• Default Branch: main
• Last Pushed: 2025-01-01T00:27:27.000Z (about 1 year ago)
• Last Synced: 2025-04-10T00:17:21.661Z (10 months ago)
• Topics: chromium, hsts, http, http-client, https, preload, tls
• Language: Python
• Homepage: https://hstspreload.org
• Size: 13.1 MB
• Stars: 13
• Watchers: 2
• Forks: 6
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE
  • Security: SECURITY.md

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README

          
# hstspreload

[![Version](https://img.shields.io/pypi/v/hstspreload)](https://pypi.org/project/hstspreload)

[![Downloads](https://pepy.tech/badge/hstspreload)](https://pepy.tech/project/hstspreload)

![CI](https://img.shields.io/github/workflow/status/sethmlarson/hstspreload/CI/master)

Chromium HSTS Preload list as a Python package.

Install via `python -m pip install hstspreload`

See https://hstspreload.org for more information regarding the list itself.

## API

The package provides a single function: `in_hsts_preload()` which takes an

IDNA-encoded host and returns either `True` or `False` regarding whether

that host should be only accessed via HTTPS.

## Changelog

This package is built entirely by an automated script running once a month.

If you need a release sooner of the package please reach out and I'll trigger a release manually.

This script gathers the HSTS Preload list by monitoring

[this file in the Chromium repository](https://chromium.googlesource.com/chromium/src/+/main/net/http/transport_security_state_static.json). Changes to the HSTS Preload list can be seen in the history of that file.

## License

BSD-3