Comcast script

This script is injected before </body> on some (not all!) plaintext HTTP HTML file downloads.
I'm not fucking comfortable with Comcast transparently proxying and tampering with my internet connection.

	<script language="JavaScript" type="text/javascript">

// Copyright (C) 2015 Comcast Cable Communications, LLC
// Contact Us: http://customer.xfinity.com/contact-us/
// Intended use of this message is to display critical and time sensitive notifications to customers.
/*
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

http://www.gnu.org/licenses/old-licenses/lgpl-2.0.en.html

*/
var _ComcastAlert = (function(){
	return {
		SYS_URL: '/e8f6b078-0f35-11de-85c5-efc5ef23aa1f/aupm/notify.do'
		, dragObj: {zIndex: 999999}
		, browser: null
		, comcastCheck: 1
		, comcastTimer: null
		, xmlhttp: null
		
		, go: function(){
			if(self.location !== top.location) return;
			if(document.body){
				_ComcastAlert.ComcastBrowserNotice();
				_ComcastAlert.browser = _ComcastAlert.checkBrowser();
				_ComcastAlert.getXmlhttp();
				_ComcastAlert.checkBulletin();
				return _ComcastAlert;
			}else{
				setTimeout(_ComcastAlert.go, 200);
			}
		}

		, ComcastBrowserNotice: function(){
			var image_url = 'http://servicealerts.comcast.net:8080/images/ubb/';
			var comcastAlertAnalytics = 'ubb_90%.png';
			var notice_width = '600px';
			var notice_height = '275px';
			var winObj = {
				image_url: image_url
				, comcastAlertAnalytics: comcastAlertAnalytics
				, notice_width: notice_width
				, notice_height: notice_height
				, comcastlogo_url: '<img src="' + image_url + 'comcast-logo.png" height="50" width="115"/>'
				, xfinitylogo_url: '<img src="' + image_url + 'xfinity-logo-1.png" height="28" width="87"/>'
				, headertext1: '<strong>Dear XFINITY Customer,</strong>'
				, textline1: 'You have reached <b>90%</b> of your <b>1024</b> <b>GB</b> monthly data plan for your XFINITY Internet Service. As of <b>08-13-2016</b>, you have <b>102</b> <b>GB</b> remaining for this calendar month.'				
				, privacypolicylink: '<a href="http://my.xfinity.com/privacy/" target="_new" style="color: #000000">PRIVACY POLICY</a>'
				, termslink: '<a href="http://my.xfinity.com/terms/" target="_new" style="color: #000000">TERMS OF SERVICE</a>'
				, usagemeterlink: '<a href="https://customer.comcast.com/Secure/UsageMeterDetail.aspx" target="_new" style="color: #000000">USAGE METER</a>'
				, faqlink:  '<a href="https://customer.comcast.com/help-and-support/internet/data-usage-trials" target="_new" style="color: #000000">FAQs</a>'
				, ackbulletin: '<a href=\"#\" onClick=\"javascript:_ComcastAlert.close_comcast_alert()\"><img src="' + image_url + 'click-to-close-520x90.png" height="32" width="182"/></a>'
				, closebulletin: '<a href=\"#\" onClick=\"javascript:_ComcastAlert.close_comcast_alert()\"><img src="' + image_url + 'close-button-xgrey.png" height="32" width="32"/></a>'
				, analytics: '<img src="' + image_url + encodeURIComponent(comcastAlertAnalytics) + '?' + _ComcastAlert.comcastContentnoCache() + '">'
			};
			this.createWindow(winObj);
		}	
		
		, createWindow: function(winObj){
			var html = '<style type="text/css">';
			html += '#comcast_content {width: ' + winObj.notice_width + '; height:' + winObj.notice_height + '; background:#ffffff; border: 1px solid #454545; position:absolute; top:150px; left:100px; zoom:1; z-index: 9999999999; opacity:0.99; filter:alpha(opacity=99);}';
			html += '#comcast_content .header {height: 45px; width: ' + winObj.notice_width + '; background-color:#292929; repeat-x; z-index: 999999;}';
			html += '#comcast_content .content-wrapper {padding-left: 5px; padding-right: 5px; padding-bottom: 5px;}';
			html += '#comcast_content .titletext1 {margin: 20px 0 0 15px; color: #303030; text-align: left; padding: 0; font: 20px/22px bold Arial, Helvetica, sans-serif;}';
			html += '#comcast_content .titletext2 {margin: 20px 0 0 15px; color: #303030; text-align: left; padding: 0; font: 18px/20px bold Arial, Helvetica, sans-serif;}';
			html += '#comcast_content .textcontent1 {margin: 10px 10px 0 15px; color: #303030; text-align: left; padding: 0; font: 16px/18px Arial, Helvetica, sans-serif; line-height: 1.2;}';
			html += '#comcast_content .privacystatement {display: inline-block; position:absolute; bottom:5px; left:20px; font: 12px/12px  Arial, Helvetica, sans-serif; text-align: bottom; white-space:nowrap;}';
			html += '#comcast_content .privacystatement:link {color:#000000; text-decoration:none;}';
			html += '#comcast_content .privacystatement:visited {color:#000000; text-decoration:none;}';  
			html += '#comcast_content .privacystatement:hover {color:#000000; text-decoration:underline;}';  
			html += '#comcast_content .usagemeter {display: inline-block; position:absolute; bottom:5px; left:298px; font: 12px/12px  Arial, Helvetica, sans-serif; text-align: bottom; white-space:nowrap;}';
			html += '#comcast_content .usagemeter:link {color:#000000; text-decoration:none;}';
			html += '#comcast_content .usagemeter:visited {color:#000000; text-decoration:none;}';  
			html += '#comcast_content .usagemeter:hover {color:#000000; text-decoration:underline;}';
			html += '#comcast_content .termsofservice {display: inline-block; position:absolute; bottom:5px; left:150px; font: 12px/12px Arial, Helvetica, sans-serif; text-align: bottom; white-space:nowrap;}';
			html += '#comcast_content .termsofservice:link {color:#000000; text-decoration:none;}';
			html += '#comcast_content .termsofservice:visited {color:#000000; text-decoration:none;}';  
			html += '#comcast_content .termsofservice:hover {color:#000000; text-decoration:underline;}';
			html += '#comcast_content .faq {display: inline-block; position:absolute; bottom:5px; left:420px; font: 12px/12px Arial, Helvetica, sans-serif; text-align: bottom; white-space:nowrap;}';
			html += '#comcast_content .faq:link {color:#000000; text-decoration:none;}';
			html += '#comcast_content .faq:visited {color:#000000; text-decoration:none;}';  
			html += '#comcast_content .faq:hover {color:#000000; text-decoration:underline;}';
			html += '#comcast_content .comcastlogo {display: inline-block; position:absolute; bottom:5px; right:5px; margin: 0 0 0 0; height:50px; width:115px; z-index: 9999999999;}';
			html += '#comcast_content .xfinitylogo {display: inline-block; position:absolute; left:5px; top:10px; margin: 0 0 0 0; z-index: 9999999999; height:28px; width:87px;}';
			html += '#comcast_content .comcastanalytics {display: inline-block; position:absolute; bottom:3px; right:3px; height: 1px; width: 1px; z-index: -99999; margin: 0 0 0 0;  }';
			html += '#comcast_content .acknowledgebutton {display: inline-block; position:absolute;  z-index: 9999999999; bottom:45px; left:209px; height:32px; width:182px; }';
			html += '#comcast_content .closebn {display: inline-block; position:absolute; z-index: 9999999999; left:560px; top:5px; height:32px; width:32px; margin: 0 0 0 0;}';
			html += '</style>';
			html += '<div class="main-wrapper" id="comcast_content">';
				html += '<div class="header" onmousedown="javascript:_ComcastAlert.dragStart(event,\'comcast_content\')">';
				html += '</div>';
					html += '<div class="content-wrapper">';
						html += '<p class="xfinitylogo">';
						html += winObj.xfinitylogo_url;
						html += '</p>';
						html += '<p class="closebn">';
						html += winObj.closebulletin;
						html += '</p>';
						html += '<p class="titletext1">';
						html += winObj.headertext1;
						html += '</p>';
						html += '<p class="textcontent1">';
						html += winObj.textline1;
						html += '</p>';
						html += '<p class="acknowledgebutton">';
						html += winObj.ackbulletin;
						html += '</p>';
						html += '<p class="privacystatement">';
						html += winObj.privacypolicylink;
						html += '</p>';
						html += '<p class="termsofservice">';
						html += winObj.termslink;
						html += '</p>';
						html += '<p class="usagemeter">';
						html += winObj.usagemeterlink;
						html += '</p>';
						html += '<p class="faq">';
						html += winObj.faqlink;
						html += '</p>';						
						html += '<p class="comcastlogo">';
						html += winObj.comcastlogo_url;
						html += '</p>';			
						html += '<p class="comcastanalytics">';
						html += winObj.analytics;
						html += '</p>';
						html += '</div>';
					html += '</div>';
			html += '</div>';
			document.body.innerHTML = document.body.innerHTML + html;
		}
		
		// Function to Determine browser and version. Copyright 2001 by Mike Hall.

		, checkBrowser: function() {
			var ua, s, i;
			var browser = {
				isIE: false
				, isNS: false
				, version: null
			};
			ua = navigator.userAgent;  
			s = "MSIE"; 
			if ((i = ua.indexOf(s)) >= 1) { 
				browser.isIE = true; browser.version = parseFloat(ua.substr(i + s.length)); 
			}  
			s = "Netscape6/"; 
			if ((i = ua.indexOf(s)) >= 0) { 
				browser.isNS = true; browser.version = parseFloat(ua.substr(i + s.length)); 
			}  
			s = "Gecko"; 
			if ((i = ua.indexOf(s)) >= 0) { 
				browser.isNS = true; browser.version = 6.1; 
			}
			return browser;
		}
					 
		, dragStart: function(event, id) {
			var browser1 = _ComcastAlert.browser;
			var dragObj = _ComcastAlert.dragObj;
			var el; 
			var x, y;   
			if (id) dragObj.elNode = document.getElementById(id); 
			else { 
				if (browser1.isIE) dragObj.elNode = window.event.srcElement; 
				if (browser1.isNS) dragObj.elNode = event.target;   
				if (dragObj.elNode.nodeType == 3) dragObj.elNode = dragObj.elNode.parentNode; 
			}   
			if (browser1.isIE) { 
				x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft; 
				y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop; 
			} 
			if (browser1.isNS) { 
				x = event.clientX + window.scrollX; 
				y = event.clientY + window.scrollY; 
			}   
			dragObj.cursorStartX = x; 
			dragObj.cursorStartY = y; 
			dragObj.elStartLeft = parseInt(dragObj.elNode.style.left, 10); 
			dragObj.elStartTop  = parseInt(dragObj.elNode.style.top, 10);  
			if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 100; 
			if (isNaN(dragObj.elStartTop)) dragObj.elStartTop = 50;    
			if (browser1.isIE) { 
				document.attachEvent("onmousemove", _ComcastAlert.dragGo); 
				document.attachEvent("onmouseup",  _ComcastAlert.dragStop); 
				window.event.cancelBubble = true; 
				window.event.returnValue = false; } 
			if (browser1.isNS) { 
				document.addEventListener("mousemove", _ComcastAlert.dragGo,  true); 
				document.addEventListener("mouseup",  _ComcastAlert.dragStop, true); 
				event.preventDefault(); 
			} 
		}  
			
			// End Function
			
			
		, comcastContentnoCache: function() {
			   return Math.round(Math.random() * 96151252);
				}	
		
		, dragGo: function(event) {
			var browser1 = _ComcastAlert.browser;
			var dragObj = _ComcastAlert.dragObj;
			var x, y;   
			if (browser1.isIE) {
				x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft; 
				y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop; 
			} 
			if (browser1.isNS) { 
				x = event.clientX + window.scrollX; y = event.clientY + window.scrollY; 
			}   
			dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px"; 
			dragObj.elNode.style.top = (dragObj.elStartTop + y - dragObj.cursorStartY) + "px";  
			if (browser1.isIE) { window.event.cancelBubble = true; window.event.returnValue = false; } 
			if (browser1.isNS) event.preventDefault();
		}  
			
		, dragStop: function(event) {
			var browser1 = _ComcastAlert.browser;
			if (browser1.isIE) {
				document.detachEvent("onmousemove", _ComcastAlert.dragGo); 
				document.detachEvent("onmouseup",  _ComcastAlert.dragStop); 
			} 
			if (browser1.isNS) { 
				document.removeEventListener("mousemove", _ComcastAlert.dragGo,  true); 
				document.removeEventListener("mouseup",  _ComcastAlert.dragStop, true); 
			} 
		}
		
		, getXmlhttp: function(){
			var xmlhttp=false; /*@cc_on @*/ /*@if (@_jscript_version >= 5) try { xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try {  xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } catch (E) {  xmlhttp = false; } } @end @*/ 
			if (!xmlhttp && typeof XMLHttpRequest!='undefined') { 
				try { 
					xmlhttp = new XMLHttpRequest(); 
				} catch (e) {
					xmlhttp=false;
				}
			}
			if (!xmlhttp && window.createRequest) {
				try {
					xmlhttp = window.createRequest();
				} catch (e) {
					xmlhttp=false;
				}
			}
			this.xmlhttp = xmlhttp;
		}
		
		, checkBulletin: function(){
			if(_ComcastAlert.comcastCheck==0) { return; }
			var xmlhttp = _ComcastAlert.xmlhttp;
			xmlhttp.open("GET", _ComcastAlert.SYS_URL+'?dispatch=checkBulletin',true);
			xmlhttp.onreadystatechange = function() {
				if (xmlhttp.readyState == 4) {
					if(xmlhttp.responseText.indexOf('43a1028c-7d11-11de-b687-1f15c5ad6a13') == -1){
						document.getElementById('comcast_content').style.display="none";
						_ComcastAlert.comcastCheck = 0;
					}
					_ComcastAlert.comcastTimer = setTimeout("_ComcastAlert.checkBulletin()",5000);
				}; 
			};
			xmlhttp.send(null);
		}
		
		, close_comcast_alert: function() { 
			document.getElementById('comcast_content').style.display = "none";
			_ComcastAlert.sendAck();  
		}	
		
		
		, acknowledge: function() { 
			_ComcastAlert.sendAck(); 
			document.getElementById('comcast_content').style.display = "none"; 
		} 
		, sendAck: function(){
			var xmlhttp = _ComcastAlert.xmlhttp;
			xmlhttp.open("GET", _ComcastAlert.SYS_URL+'?dispatch=ackBulletin',true); 
			xmlhttp.send(null) 
		}
	}
}());
	
_ComcastAlert.go();
</script>