wappalyzer/drivers/firefox/content/js/content.js

"use strict";

(function() {
	var lastEnv = null;

	addEventListener('DOMContentLoaded', function() {
		removeEventListener('DOMContentLoaded', onLoad, false);

		onLoad();
	}, false);

	function onLoad() {
		if ( content.document.contentType != 'text/html' ) { return; }

		content.document.documentElement.addEventListener('load', function() {
			var env = Object.keys(content.wrappedJSObject);

			if ( env.join() !== lastEnv ) {
				lastEnv = env.join();

				sendAsyncMessage('wappalyzer', { env: Object.keys(content.wrappedJSObject) });
			}

			removeEventListener('load', onLoad, true);
		}, true);

		// HTML
		var html = content.document.documentElement.outerHTML;

		// Comments outside HTML
		//if ( content.document.lastChild.nodeType === 8 ) {
			//content.alert(content.document.lastChild.nodeValue);
		//}

		if ( html.length > 50000 ) {
			html = html.substring(0, 25000) + html.substring(html.length - 25000, html.length);
		}

		sendAsyncMessage('wappalyzer', {
			hostname: content.location.hostname,
			html:     html,
			url:      content.location.href,
			env: 	  Object.keys(content.wrappedJSObject)
		});
	}
})();