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Adds a button to archive the page on Archive.today for specific websites
// ==UserScript==
// @name Unpaywall Button
// @license MIT
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Adds a button to archive the page on Archive.today for specific websites
// @author Your Name
// @include *://cnn.com/*
// @include *://*.cnn.com/*
// @include *://bbc.com/*
// @include *://*.bbc.com/*
// @include *://nytimes.com/*
// @include *://*.nytimes.com/*
// @include *://foxnews.com/*
// @include *://*.foxnews.com/*
// @include *://huffpost.com/*
// @include *://*.huffpost.com/*
// @include *://reuters.com/*
// @include *://*.reuters.com/*
// @include *://bloomberg.com/*
// @include *://*.bloomberg.com/*
// @include *://theguardian.com/*
// @include *://*.theguardian.com/*
// @include *://forbes.com/*
// @include *://*.forbes.com/*
// @include *://usatoday.com/*
// @include *://*.usatoday.com/*
// @include *://npr.org/*
// @include *://*.npr.org/*
// @include *://washingtonpost.com/*
// @include *://*.washingtonpost.com/*
// @include *://aljazeera.com/*
// @include *://*.aljazeera.com/*
// @include *://abcnews.go.com/*
// @include *://*.abcnews.go.com/*
// @include *://cbsnews.com/*
// @include *://*.cbsnews.com/*
// @include *://nbcnews.com/*
// @include *://*.nbcnews.com/*
// @include *://news.yahoo.com/*
// @include *://*.news.yahoo.com/*
// @include *://latimes.com/*
// @include *://*.latimes.com/*
// @include *://politico.com/*
// @include *://*.politico.com/*
// @include *://wsj.com/*
// @include *://*.wsj.com/*
// @include *://thehill.com/*
// @include *://*.thehill.com/*
// @include *://vox.com/*
// @include *://*.vox.com/*
// @include *://buzzfeednews.com/*
// @include *://*.buzzfeednews.com/*
// @include *://time.com/*
// @include *://*.time.com/*
// @include *://cnbc.com/*
// @include *://*.cnbc.com/*
// @include *://businessinsider.com/*
// @include *://*.businessinsider.com/*
// @include *://axios.com/*
// @include *://*.axios.com/*
// @include *://slate.com/*
// @include *://*.slate.com/*
// @include *://newyorker.com/*
// @include *://*.newyorker.com/*
// @include *://vanityfair.com/*
// @include *://*.vanityfair.com/*
// @include *://nationalreview.com/*
// @include *://*.nationalreview.com/*
// @include *://dailywire.com/*
// @include *://*.dailywire.com/*
// @include *://drudgereport.com/*
// @include *://*.drudgereport.com/*
// @include *://breitbart.com/*
// @include *://*.breitbart.com/*
// @include *://theatlantic.com/*
// @include *://*.theatlantic.com/*
// @include *://newyorkpost.com/*
// @include *://*.newyorkpost.com/*
// @include *://independent.co.uk/*
// @include *://*.independent.co.uk/*
// @include *://telegraph.co.uk/*
// @include *://*.telegraph.co.uk/*
// @include *://dailymail.co.uk/*
// @include *://*.dailymail.co.uk/*
// @include *://express.co.uk/*
// @include *://*.express.co.uk/*
// @include *://mirror.co.uk/*
// @include *://*.mirror.co.uk/*
// @include *://thesun.co.uk/*
// @include *://*.thesun.co.uk/*
// @include *://metro.co.uk/*
// @include *://*.metro.co.uk/*
// @include *://sky.com/*
// @include *://*.sky.com/*
// @include *://euronews.com/*
// @include *://*.euronews.com/*
// @include *://rt.com/*
// @include *://*.rt.com/*
// @include *://france24.com/*
// @include *://*.france24.com/*
// @include *://dw.com/*
// @include *://*.dw.com/*
// @include *://ctvnews.ca/*
// @include *://*.ctvnews.ca/*
// @include *://globalnews.ca/*
// @include *://*.globalnews.ca/*
// @include *://cbc.ca/*
// @include *://*.cbc.ca/*
// @grant GM.xmlHttpRequest
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
const hostnames = [
'archive.is',
'archive.ph',
'archive.today',
'archive.fp',
'archive.li',
'archive.md',
'archive.vn'
];
function sleep(t) {
return new Promise(resolve => setTimeout(resolve, t));
}
function checkAvailability(hostname) {
return new Promise(function(resolve, reject) {
const onResponse = function(response) {
if ((response.status >= 200 && response.status <= 400) || response.status === 429) {
resolve(response);
} else {
reject(new Error('HOST_UNAVAILABLE'));
}
};
GM.xmlHttpRequest({
url: `https://${hostname}/`,
method: 'GET',
headers: {
Range: 'bytes=0-63'
},
onload: onResponse,
onerror: onResponse
});
});
}
async function archivePage(url) {
let workingHostname = null;
for (const hostname of hostnames) {
try {
await checkAvailability(hostname);
workingHostname = hostname;
break;
} catch (err) {
if (err && 'message' in err && err.message === 'HOST_UNAVAILABLE') {
console.debug(`${hostname} is NOT available`);
} else {
throw err;
}
}
}
if (workingHostname) {
document.location.href = `https://${workingHostname}/?run=1&url=${encodeURIComponent(url)}`;
} else {
alert('All Archive.today domains seem to be down.');
}
}
function createButton() {
const button = document.createElement('button');
button.innerText = 'Unpaywall';
button.style.position = 'fixed';
button.style.bottom = '10px';
button.style.right = '10px';
button.style.backgroundColor = 'rgba(0, 0, 0, 0.5)';
button.style.color = 'white';
button.style.border = 'none';
button.style.borderRadius = '5px';
button.style.padding = '10px';
button.style.cursor = 'pointer';
button.style.zIndex = '10000';
button.style.opacity = '0.8';
button.addEventListener('click', () => archivePage(window.location.href));
document.body.appendChild(button);
}
function main() {
console.log('Unpaywall script running');
createButton();
}
main();
})();