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NoneNoneNone// ===============================================
// AdBlock detector
//
// Attempts to detect the presence of Ad Blocker software
// and notify listener of its existence.
// Copyright (c) 2015 IAB
//
// The MIT License (MIT)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// ===============================================
/**
* @name window.adblockDetector
*
* IAB Adblock detector.
* Usage: window.adblockDetector.init(options);
*
* Options object settings
*
* @prop debug: boolean
* Flag to indicate additional debug output should be printed to console
*
* @prop found: @function
* Callback function to fire if adblock is detected
*
* @prop notfound: @function
* Callback function to fire if adblock is not detected.
* NOTE: this function may fire multiple times and give false negative
* responses during a test until adblock is successfully detected.
*
* @prop complete: @function
* Callback function to fire once a round of testing is complete.
* The test result (boolean) is included as a parameter to callback
*
* example: window.adblockDetector.init(
{
found: function(){ ...},
notFound: function(){...}
}
);
*
*
*/
"use strict";
(function(win) {
var version = '1.0';
var ofs = 'offset',
cl = 'client';
var noop = function() {};
var testedOnce = false;
var testExecuting = false;
var isOldIEevents = (win.addEventListener === undefined);
/**
* Options set with default options initialized
*
*/
var _options = {
loopDelay: 50,
maxLoop: 5,
debug: true,
found: noop, // function to fire when adblock detected
notfound: noop, // function to fire if adblock not detected after testing
complete: noop // function to fire after testing completes, passing result as parameter
}
function parseAsJson(data) {
var result, fnData;
try {
result = JSON.parse(data);
} catch (ex) {
try {
fnData = new Function("return " + data);
result = fnData();
} catch (ex) {
log('Failed secondary JSON parse', true);
}
}
return result;
}
/**
* Ajax helper object to download external scripts.
* Initialize object with an options object
* Ex:
{
url : 'http://example.org/url_to_download',
method: 'POST|GET',
success: callback_function,
fail: callback_function
}
*/
var AjaxHelper = function(opts) {
var xhr = new XMLHttpRequest();
this.success = opts.success || noop;
this.fail = opts.fail || noop;
var me = this;
var method = opts.method || 'get';
/**
* Abort the request
*/
this.abort = function() {
try {
xhr.abort();
} catch (ex) {}
}
function stateChange(vals) {
if (xhr.readyState == 4) {
if (xhr.status == 200) {
me.success(xhr.response);
} else {
// failed
me.fail(xhr.status);
}
}
}
xhr.onreadystatechange = stateChange;
function start() {
xhr.open(method, opts.url, true);
xhr.send();
}
start();
}
/**
* Object tracking the various block lists
*/
var BlockListTracker = function() {
var me = this;
var externalBlocklistData = {};
/**
* Add a new external URL to track
*/
this.addUrl = function(url) {
externalBlocklistData[url] = {
url: url,
state: 'pending',
format: null,
data: null,
result: null
}
return externalBlocklistData[url];
}
/**
* Loads a block list definition
*/
this.setResult = function(urlKey, state, data) {
var obj = externalBlocklistData[urlKey];
if (obj == null) {
obj = this.addUrl(urlKey);
}
obj.state = state;
if (data == null) {
obj.result = null;
return;
}
if (typeof data === 'string') {
try {
data = parseAsJson(data);
obj.format = 'json';
} catch (ex) {
obj.format = 'easylist';
// parseEasyList(data);
}
}
obj.data = data;
return obj;
}
}
var listeners = []; // event response listeners
var baitNode = null;
var quickBait = {
cssClass: 'pub_300x250 pub_300x250m pub_728x90 text-ad textAd text_ad text_ads text-ads text-ad-links'
};
var baitTriggers = {
nullProps: [ofs + 'Parent'],
zeroProps: []
};
baitTriggers.zeroProps = [
ofs + 'Height', ofs + 'Left', ofs + 'Top', ofs + 'Width', ofs +
'Height',
cl + 'Height', cl + 'Width'
];
// result object
var exeResult = {
quick: null,
remote: null
};
var findResult = null; // result of test for ad blocker
var timerIds = {
test: 0,
download: 0
};
function isFunc(fn) {
return typeof(fn) == 'function';
}
/**
* Make a DOM element
*/
function makeEl(tag, attributes) {
var k, v, el, attr = attributes;
var d = document;
el = d.createElement(tag);
if (attr) {
for (k in attr) {
if (attr.hasOwnProperty(k)) {
el.setAttribute(k, attr[k]);
}
}
}
return el;
}
function attachEventListener(dom, eventName, handler) {
if (isOldIEevents) {
dom.attachEvent('on' + eventName, handler);
} else {
dom.addEventListener(eventName, handler, false);
}
}
function log(message, isError) {
if (!_options.debug && !isError) {
return;
}
if (win.console && win.console.log) {
if (isError) {
console.error('[ABD] ' + message);
} else {
console.log('[ABD] ' + message);
}
}
}
var ajaxDownloads = [];
/**
* Load and execute the URL inside a closure function
*/
function loadExecuteUrl(url) {
var ajax, result;
blockLists.addUrl(url);
// setup call for remote list
ajax = new AjaxHelper({
url: url,
success: function(data) {
log('downloaded file ' + url); // todo - parse and store until use
result = blockLists.setResult(url,
'success', data);
try {
var intervalId = 0,
retryCount = 0;
var tryExecuteTest = function(listData) {
if (!testExecuting) {
beginTest(listData, true);
return true;
}
return false;
}
if (findResult == true) {
return;
}
if (tryExecuteTest(result.data)) {
return;
} else {
log('Pause before test execution');
intervalId = setInterval(function() {
if (tryExecuteTest(
result.data) ||
retryCount++ > 5) {
clearInterval(
intervalId);
}
}, 250);
}
} catch (ex) {
log(ex.message + ' url: ' + url, true);
}
},
fail: function(status) {
log(status, true);
blockLists.setResult(url, 'error', null);
}
});
ajaxDownloads.push(ajax);
}
/**
* Fetch the external lists and initiate the tests
*/
function fetchRemoteLists() {
var i, url;
var opts = _options;
for (i = 0; i
