User:DarkMatterMan4500/ip-ext-info.js

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// <nowiki>
// @ts-check
// Extended info on IPs - gives a popup with their range, ASN, and ISP
// Parts cribbed from [[User:Krinkle/Scripts/CVNSimpleOverlay_wiki.js]] and [[MediaWiki:Gadget-markblocked.js]]

const ipExt_ICON = 'https://upload.wikimedia.org/wikipedia/commons/thumb/3/35/Gnome-fs-web.svg/20px-Gnome-fs-web.svg.png';

/**
 * Get all userlinks on the page
 *
 * @param {JQuery} $content page contents
 * @return {Map} list of unique users on the page and their corresponding links
 */
function ipExt_getIPs($content) {
	const userLinks = new Map();

	// Get all aliases for user: (taken from markblocked)
	const userNS = [];
	for ( const ns in mw.config.get( 'wgNamespaceIds' ) ) {
		if ( mw.config.get( 'wgNamespaceIds' )[ns] === 2 ) {
			userNS.push( mw.util.escapeRegExp(ns.replace( /_/g, ' ' )) + ':' );
		}
	}

	// RegExp for all titles that are User:
	const userTitleRX = new RegExp( '^(' + userNS.join( '|' ) + '|' + 'Special:Contributions' + '\\/)+([^\\/#]+)$', 'i' );
	const articleRX = new RegExp( mw.config.get( 'wgArticlePath' ).replace('$1', '') + '([^#]+)' );
	$('a', $content).each(function () {
		if (!$(this).attr('href')) {
			// Ignore if the <a> doesn't have a href
			return;
		}
		const articleTitleReMatch = articleRX.exec($(this).attr('href').toString());
		if (!articleTitleReMatch) {
			return;
		}
		const pgTitle = decodeURIComponent( articleTitleReMatch[1] ).replace( /_/g, ' ' );
		const userTitleReMatch = userTitleRX.exec(pgTitle);
		if (!userTitleReMatch) {
			return;
		}
		const username = userTitleReMatch[2];
		if (mw.util.isIPAddress(username, true)) {
			if (!userLinks.get(username)) {
				userLinks.set(username, []);
			}
			userLinks.get(username).push($(this));
		}
	});
	return userLinks;
}

/**
 * Get the WHOIS summary for an IP
 *
 * @param {string} ip IP address to check
 *
 * @return {Promise<string>} Summary of interesting parts of the IP's WHOIS
 */
async function ipExt_whois(ip) {
	const whoisResult = await fetch(`https://whois.toolforge.org/w/${ip}/lookup/json`);
	const whoisJson = await whoisResult.json(); // Why is json() async?
	let providers = '';
	whoisJson.nets.forEach((net) => {
		providers += net.name + ' ';
	});
	return `${ip}:\n  ASN: ${whoisJson.asn}\n  ASN range: ${whoisJson.asn_cidr}\n  ASN country: ${whoisJson.asn_country_code}\n  ISP: ${providers}`;
}

// On window load, get all the IPs on the page and WHOIS them asynchronously
$.when( $.ready, mw.loader.using( 'mediawiki.util' ) ).then( function () {
	mw.hook('wikipage.content').add(function ($content) {
		const ipsOnPage = ipExt_getIPs($content);
		ipsOnPage.forEach(async (val, ip, _) => {
			const whoisText = await ipExt_whois(ip);
			val.forEach(($link) => {
				$link.after(`<a href="https://whois.toolforge.org/w/${ip}/lookup"><img src="${ipExt_ICON}" alt="" title="${mw.html.escape(whoisText)}" /></a>`);	
			});
		});
	});
});