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This JSP can be included in CQ5 page components to integrate with Google Analytics for browsers that do not allow JavaScript. This code is modified from what Google provides (https://developers.google.com/analytics/devguides/collection/other/mobileWebsites) so that it can be used with Apache Sling. This script hasn't been tested with all Google …
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<%@ page language="java" | |
import="java.io.ByteArrayOutputStream, | |
java.io.IOException, | |
java.io.OutputStream, | |
java.io.UnsupportedEncodingException, | |
java.math.BigInteger, | |
java.net.HttpURLConnection, | |
java.net.URLConnection, | |
java.net.URL, | |
java.net.URLEncoder, | |
java.net.URLDecoder, | |
java.security.MessageDigest, | |
java.security.NoSuchAlgorithmException, | |
javax.servlet.http.Cookie, | |
java.util.regex.Pattern, | |
java.util.regex.Matcher, | |
java.util.UUID" %><%! | |
private static final String GA_ACCOUNT = "MO-12345678-1"; // Google Analytics ID, with UA changed to MO. | |
// Tracker version. | |
private static final String version = "4.4sj"; | |
private static final String COOKIE_NAME = "__utmmobile"; | |
// The path the cookie will be available to, edit this to use a different | |
// cookie path. | |
private static final String COOKIE_PATH = "/"; | |
// Two years in seconds. | |
private static final int COOKIE_USER_PERSISTENCE = 63072000; | |
// A string is empty in our terms, if it is null, empty or a dash. | |
private static boolean isEmpty(String in) { | |
return in == null || "-".equals(in) || "".equals(in); | |
} | |
// The last octect of the IP address is removed to anonymize the user. | |
private static String getIP(String remoteAddress) { | |
if (isEmpty(remoteAddress)) { | |
return ""; | |
} | |
// Capture the first three octects of the IP address and replace the forth | |
// with 0, e.g. 124.455.3.123 becomes 124.455.3.0 | |
String regex = "^([^.]+\\.[^.]+\\.[^.]+\\.).*"; | |
Pattern getFirstBitOfIPAddress = Pattern.compile(regex); | |
Matcher m = getFirstBitOfIPAddress.matcher(remoteAddress); | |
if (m.matches()) { | |
return m.group(1) + "0"; | |
} | |
else { | |
return ""; | |
} | |
} | |
// Generate a visitor id for this hit. | |
// If there is a visitor id in the cookie, use that, otherwise | |
// use the guid if we have one, otherwise use a random number. | |
private static String getVisitorId(String guid, String account, String userAgent, Cookie cookie) | |
throws NoSuchAlgorithmException, UnsupportedEncodingException { | |
// If there is a value in the cookie, don't change it. | |
if (cookie != null && cookie.getValue() != null) { | |
return cookie.getValue(); | |
} | |
String message; | |
if (!isEmpty(guid)) { | |
// Create the visitor id using the guid. | |
message = guid + account; | |
} | |
else { | |
// otherwise this is a new user, create a new random id. | |
message = userAgent + getRandomNumber() + UUID.randomUUID().toString(); | |
} | |
MessageDigest m = MessageDigest.getInstance("MD5"); | |
m.update(message.getBytes("UTF-8"), 0, message.length()); | |
byte[] sum = m.digest(); | |
BigInteger messageAsNumber = new BigInteger(1, sum); | |
String md5String = messageAsNumber.toString(16); | |
// Pad to make sure id is 32 characters long. | |
while (md5String.length() < 32) { | |
md5String = "0" + md5String; | |
} | |
return "0x" + md5String.substring(0, 16); | |
} | |
// Get a random number string. | |
private static String getRandomNumber() { | |
return Integer.toString((int) (Math.random() * 0x7fffffff)); | |
} | |
// Track a page view, updates all the cookies and campaign tracker, | |
// makes a request to Google Analytics via a gif | |
private String trackPageView(HttpServletRequest request, HttpServletResponse response) | |
throws Exception { | |
String timeStamp = Long.toString(System.currentTimeMillis() / 1000); | |
String domainName = request.getServerName(); | |
if (isEmpty(domainName)) { | |
domainName = ""; | |
} | |
// Get the referrer from the utmr parameter, this is the referrer to the | |
// page that contains the tracking pixel, not the referrer for tracking | |
// pixel. | |
String documentReferer = request.getParameter("utmr"); | |
if (isEmpty(documentReferer)) { | |
documentReferer = "-"; | |
} | |
else { | |
documentReferer = URLDecoder.decode(documentReferer, "UTF-8"); | |
} | |
String documentPath = ""; | |
String query = request.getQueryString(); | |
String path = request.getRequestURI(); | |
if (path != null) { | |
if (query != null) { | |
path += "?" + query; | |
} | |
documentPath = URLEncoder.encode(path, "UTF-8"); | |
} | |
if (isEmpty(documentPath)) { | |
documentPath = ""; | |
} | |
else { | |
documentPath = URLDecoder.decode(documentPath, "UTF-8"); | |
} | |
String account = GA_ACCOUNT; | |
String userAgent = request.getHeader("User-Agent"); | |
if (isEmpty(userAgent)) { | |
userAgent = ""; | |
} | |
// Try and get visitor cookie from the request. | |
Cookie[] cookies = request.getCookies(); | |
Cookie cookie = null; | |
if (cookies != null) { | |
for(int i = 0; i < cookies.length; i++) { | |
if (cookies[i].getName().equals(COOKIE_NAME)) { | |
cookie = cookies[i]; | |
} | |
} | |
} | |
String guidHeader = request.getHeader("X-DCMGUID"); | |
if (isEmpty(guidHeader)) { | |
guidHeader = request.getHeader("X-UP-SUBNO"); | |
} | |
if (isEmpty(guidHeader)) { | |
guidHeader = request.getHeader("X-JPHONE-UID"); | |
} | |
if (isEmpty(guidHeader)) { | |
guidHeader = request.getHeader("X-EM-UID"); | |
} | |
String visitorId = getVisitorId(guidHeader, account, userAgent, cookie); | |
// Always try and add the cookie to the response. | |
Cookie newCookie = new Cookie(COOKIE_NAME, visitorId); | |
newCookie.setMaxAge(COOKIE_USER_PERSISTENCE); | |
newCookie.setPath(COOKIE_PATH); | |
response.addCookie(newCookie); | |
String utmGifLocation = "http://www.google-analytics.com/__utm.gif"; | |
// Construct the gif hit url. | |
String utmUrl = utmGifLocation + "?" + | |
"utmwv=" + version + | |
"&utmn=" + getRandomNumber() + | |
"&utmhn=" + URLEncoder.encode(domainName, "UTF-8") + | |
"&utmr=" + URLEncoder.encode(documentReferer, "UTF-8") + | |
"&utmp=" + URLEncoder.encode(documentPath, "UTF-8") + | |
"&utmac=" + account + | |
"&utmcc=__utma%3D999.999.999.999.999.1%3B" + | |
"&utmvid=" + visitorId + | |
"&utmip=" + getIP(request.getRemoteAddr()); | |
return utmUrl; | |
}%> | |
<noscript> | |
<img src="<%= trackPageView(request, response) %>" /> | |
</noscript> |
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