Enforce HTTPS

Automatically change HTTP URLs to HTTPS, when possible.

Versione datata 10/05/2023. Vedi la nuova versione l'ultima versione.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

You will need to install an extension such as Tampermonkey to install this script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript== 
// @name        Enforce HTTPS
// @namespace   i2p.schimon.enforce-https
// @description Automatically change HTTP URLs to HTTPS, when possible.
// @author      Schimon Jehudah, Adv.
// @homepageURL https://greasyfork.org/en/scripts/465953-enforce-https
// @supportURL  https://greasyfork.org/en/scripts/465953-enforce-https/feedback
// @copyright   2023, Schimon Jehudah (http://schimon.i2p)
// @license     MIT; https://opensource.org/licenses/MIT
// @run-at      document-start
// @include     http://*
// @connect     self
// @grant       GM_xmlhttpRequest
// @grant       GM.xmlHttpRequest
// @icon        data:image/svg+xml;base64,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
// @version     23.03
// ==/UserScript==

/*

## 🔐 Enforce HTTPS
### Redirect to HTTPS page

This userscript checks for obtainability of HTTPS version of a given page and redirects URL with HTTPS protocol.

---

#### Recommended Userscripts

#### 🚫 [no-www](https://openuserjs.org/scripts/sjehuda/no-www)
Correct URL to no-www URL.

---

#### Please visit out counterparts

#### [HTTP to HTTPS](https://add0n.com/http-to-https.html)
Automatically switched to secure HTTP version of webpages if possible.

#### [Smart HTTPS](https://mybrowseraddon.com/smart-https.html)
Smart Change of HTTP addresses to the secure HTTPS.

---

#### <!-- img src="https://raw.githubusercontent.com/KDE/falkon/master/logo.png" height="30" alt="Falkon" title="Download Falkon Browser"/ --> Help enhancing userscript support for <span style='color:MediumPurple'>Falkon web browser</span>
C++ developers, help [Falkon](https://falkon.org/) web browser‬ to bring [better support](https://bugs.kde.org/show_bug.cgi?id=466533) for [GM.xmlHttpRequest](https://sourceforge.net/p/greasemonkey/wiki/GM_xmlhttpRequest/), so we would also enjoy this program.

_Thank you,
Schimon Jehudah, Adv._

*/

// https://github.com/makyen
// https://github.com/greasemonkey/greasemonkey/issues/3160#issuecomment-1456758080
const gmXmlhttpRequest = typeof GM_xmlhttpRequest === 'function' ? GM_xmlhttpRequest : GM.xmlHttpRequest;

if (!location.protocol.startsWith('http:')) return; // exit (else, continue)

var newURL = location.href.replace('http:','https:');

gmXmlhttpRequest({
  method: 'GET',
  url: newURL,
  onprogress: console.log('Checking for https...'),
  onload: function(response) {
    if (response.finalUrl == newURL) {
      location.href = newURL;
    } else {
      console.log('No https access available');
    }
  },
  onerror: function(response) {
    console.log('Error requesting for https')
  }
})

/*
fetch(newURL)
  .then((response) => {
     if (request.reseponseURL == newURL) {
       window.open(newURL,'_self');
     }
  })
*/