// ==UserScript== // @name Blocco funzioni JavaScript // @description Script in grado di bloccare le funzioni JavaScript generalmente utilizzate per esporre finestre popup indesiderate // @author Autore versione originale: http://jakub-g.github.com // @version 0.2 // @grant GM_getValue // @grant GM_setValue // @include * // @exclude http*://*.youtube.com/* // @exclude http*://*.google.com/* // @exclude http*://*.google.it/* // @exclude http*://*.ilsoftware.it/* // @exclude http*://*.zedo.com/* // @exclude http*://*.doubleclick.net/* // @exclude http*://*.facebook.com/* // @exclude http*://*.twitter.com/* // ==/UserScript== (function() { // ============================== CONFIG ================================= var bDisplayMessageOnPopupBlocked = true; var bDisplayOpenPopupLink = true; var bDisplayWhiteListThisDomainLink = true; var LOG_ID = "ultimate_popup_blocker"; // HTML ID in the page // ============================ FUNCTIONS ================================ var global = unsafeWindow; // reference to page's "window" through GreaseMonkey /* * Helper to create a button with inner text @text executing onclick @clickCallback, * appended as a child of @logDiv */ var putButton = function (logDiv, text, clickCallback, inlineStyle) { var button = document.createElement("button"); button.innerHTML = text; button.style.cssText = "text-decoration:none; color:black; cursor:pointer;\ margin: 0 5px; font: 8pt microsoft sans serif; padding: 1px 3px;\ background-color:rgb(212,208,200); border-width:2px; border-style:outset;\ border-color:#eee #555 #555 #eee; color:black;" + inlineStyle; logDiv.appendChild(button); button.addEventListener("click", clickCallback); }; /* * Helper to create a button (child of @logDiv) which onclick whitelists @domain * in internal Firefox storage. */ var putWhitelistButton = function (logDiv, domain) { putButton(logDiv, domain, function(){ GM_setValue("whitelisted_" + domain, true); }); }; /* * Helper to create a text node with @text and append to @logDiv */ var putText = function (logDiv, text) { var node = document.createTextNode(text); logDiv.appendChild(node); }; /* * Return logger div, or create it ad-hoc. */ var getLogDiv = function () { var logDiv = document.getElementById(LOG_ID); if(!logDiv){ logDiv = document.createElement("div"); logDiv.setAttribute("id", LOG_ID); logDiv.style.cssText="position:fixed; top:0; left:0; width:100%;\ padding:5px 5px 5px 29px; font: 8pt microsoft sans serif;\ background-color: linen; color:black; border:1px solid black;\ "; document.body.appendChild(logDiv); } return logDiv; }; /* * Get array of domains for which it would make sense to whitelist them. * Sample valid outputs: * // localhost -> ['localhost'] * // youtube.com -> ['youtube.com'] * // www.youtube.com -> ['youtube.com', 'www.youtube.com'] * // a.b.c.d -> ['c.d', 'b.c.d', 'a.b.c.d'] */ var getDomainsArray = function(documentDomain){ // e.g. domain = www.google.com, topDomain = google.com var d1 = documentDomain; var domainsArr = []; var lastDot1 = d1.lastIndexOf('.'); if(lastDot1 != -1){ var lastDot2 = d1.lastIndexOf('.', lastDot1-1); if(lastDot2 != -1 && lastDot2 != lastDot1) { var d2 = d1.substr(lastDot2 + 1); domainsArr.push(d2); var lastDot3 = d1.lastIndexOf('.', lastDot2-1); if(lastDot3 != -1 && lastDot3 != lastDot2) { var d3 = d1.substr(lastDot3 + 1); domainsArr.push(d3); } } } domainsArr.push(d1); return domainsArr; }; /* * Checks if domain we're currently browsing has been whitelisted by the user * to display popups. */ var isCurrentDomainWhiteListed = function() { var domains = getDomainsArray(document.domain); var whitelisted = domains.some(function(d){ return GM_getValue("whitelisted_" + d); }); // if any 'd' in 'domains' was whitelisted, we return true return whitelisted; }; /* * "window.open()" returns Window which might be then used by the originator page * to focus the popup (annoying splash popup) or blur it to retain focus in the original page * (pay-by-impressions popup, I don't need it to actually see it). * We need to return the fake window to not encounter JS runtime error when the popup originator * page wants to call focus() or blur(). */ var FakeWindow = { blur: function() {return false;}, focus: function() {return false;} }; /* * Storing a reference to real "window.open" method in case we wanted * to actually open a blocked popup */ var realWindowOpen = global.open; /* * This function will be called each time a script wants to open a new window, * if the blocker is activated. * We handle the blocking & messaging logic here. */ var fakeWindowOpen = function(url){ if(!bDisplayMessageOnPopupBlocked){ return FakeWindow; } var logDiv = getLogDiv(); logMessage(logDiv, url); if(bDisplayOpenPopupLink){ displayOpenPopupLink(logDiv, arguments); } if(bDisplayWhiteListThisDomainLink) { displayWhiteListThisDomainLink(logDiv); } displayCloseButton(logDiv); return FakeWindow; // see the doc of FakeWindow }; var logMessage = function (logDiv, url) { global.upb_counter = (global.upb_counter || 0); url = (url[0] == '/') ? document.domain + url : url; var msg = ["UPB ha bloccato ", ++global.upb_counter, ", ", url, ""].join(""); logDiv.innerHTML = msg; console.log(msg); logDiv.style.display = "block"; }; var displayOpenPopupLink = function (logDiv, realArguments){ if (logDiv.innerHTML.indexOf("object")==-1) putButton (logDiv, "apri popup", function(){realWindowOpen.apply(null, realArguments);}); }; var displayWhiteListThisDomainLink = function(logDiv) { var domainsArr = getDomainsArray(document.domain); putText(logDiv, ' inserisci in whitelist: '); // using 'innerHTML += ' breaks event listeners strangely putWhitelistButton(logDiv, domainsArr[0]); if(domainsArr[1]){ putWhitelistButton(logDiv, domainsArr[1]); } if(domainsArr[2]){ putWhitelistButton(logDiv, domainsArr[2]); } }; var displayCloseButton = function(logDiv) { putButton (logDiv, "x", function(){ logDiv.style.display = 'none'; }, 'background-color: #a00; color:white; margin:0 32px 0 0; float:right'); }; /* * Override browser's "window.open" with our own implementation. */ var activateBlocker = function() { global.onload = fakeWindowOpen; global.open = fakeWindowOpen; global.onunload = fakeWindowOpen; global.alert = fakeWindowOpen; global.confirm = fakeWindowOpen; global.prompt = fakeWindowOpen; }; // ============================ LET'S RUN IT ================================ var disabled = isCurrentDomainWhiteListed(); if(disabled){ console.log('[UPB] dominio presente nella white list. UPB disattivato.'); }else{ activateBlocker(); } })();