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Polyfills for XHR, fetch, and the Brython AJAX interface using epoxy-tls

cyrilsli.github.io/epoxy-tls-polyfill/

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epoxy-tls-polyfill

This package provides polyfills for XHR, fetch, and the Brython AJAX interface using epoxy-tls. It allows making web requests using these APIs without CORS restrictions using a Wisp proxy, which keeps your data encrypted unlike HTTP proxies..

npm     jsDelivr

Demos

  • demo/index.html: A demo of each of the APIs in action.
  • demo/frametest.html: An experiment which loads websites into a same-origin iframe, fetching page content using epoxt-tls.

Contents

This package contains four scripts:

  • javascript.min.js - For XMLHttpRequest and fetch in JavaScript
  • brython.min.js - For the ajax module in Brython
  • javascript-bundled.min.js - Javascript version bundled with epoxy-tls
  • brython-bundled.min.js - Brython version bundled with epoxy-tls

It is strongly recommended to not use the bundled versions unless a single script file is required, as the base64 encoded bundle is around 500KB larger than dynamically loading the epoxy-tls library.

Installation / Usage

The scripts are designed to be included with " tabindex="0" role="button">

If using the Brython versions (brython.min.js or brython-bundled.min.js), place this script after all Brython scripts, for example:

script src="https://cdn.jsdelivr.net/npm/brython@3/brython.min.js">gt;script>gt;

script src="https://cdn.jsdelivr.net/npm/brython@3/brython_stdlib.min.js">gt;script>gt;

script src="https://cdn.jsdelivr.net/npm/epoxy-tls-polyfill@1/dist/brython.min.js">gt;script>gt;

Including both unbundled or both bundled script versions is supported and they will share a single epoxy-tls instance. Mixing bundled and unbundled versions is untested and may lead to unexpected behavior..

Todo

  • Allow configuring the epoxy-tls instance (e.g. proxy URL, the EpoxyClientOptions object)

License

The scripts make extensive usage of AGPL code, so the entire package is licensed under AGPLv3.

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Polyfills for XHR, fetch, and the Brython AJAX interface using epoxy-tls

cyrilsli.github.io/epoxy-tls-polyfill/

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