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package in.shop2020.serving.interceptors;
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package in.shop2020.serving.interceptors;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Map;
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import in.shop2020.model.v1.user.Affiliate;
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import in.shop2020.model.v1.user.Affiliate;
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import in.shop2020.model.v1.user.Tracker;
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import in.shop2020.model.v1.user.Tracker;
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import in.shop2020.serving.utils.DesEncrypter;
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import in.shop2020.thrift.clients.UserContextServiceClient;
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import in.shop2020.thrift.clients.UserContextServiceClient;
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import javax.servlet.http.Cookie;
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import javax.servlet.http.Cookie;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpServletResponse;
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import com.opensymphony.xwork2.ActionInvocation;
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import com.opensymphony.xwork2.ActionInvocation;
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import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
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import com.opensymphony.xwork2.interceptor.AbstractInterceptor;
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public class TrackingInterceptor extends AbstractInterceptor {
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public class TrackingInterceptor extends AbstractInterceptor {
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	/**
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	 *
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	 */
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	private static final long serialVersionUID = 1L;
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	private static final long serialVersionUID = 1L;
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	private static Logger log = Logger.getLogger(TrackingInterceptor.class);
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	private static Logger log = Logger.getLogger(TrackingInterceptor.class);
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	private static final int SECONDS_IN_TWO_MONTHS = 60*60*24*60;
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	private static final int SECONDS_IN_TWO_MONTHS = 60*60*24*60;
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	private static final int SECONDS_IN_YEAR = 60*60*24*365;
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	public static final String TRACKER = "tracker";
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	public static final String TRACKER = "tracker";
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	public static final String AFF_COOKIE = "uafc";
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	public static final String AFF_COOKIE = "uafc";
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	public static final String SRC_COOKIE = "usrcc";
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	private String cookieDomain = "";
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	private String cookieDomain = "";
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	private Cookie trackerCookie = null;
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	private Cookie trackerCookie = null;
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	private Cookie affCookie = null;
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	private Cookie affCookie = null;
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	private Cookie firstSourceCookie = null;
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    private Map<String, Cookie> cookiesMap = null;
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    private Map<String, Cookie> cookiesMap = null;
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    public void setCookieDomain(String cookieDomain) {
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    public void setCookieDomain(String cookieDomain) {
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        this.cookieDomain = cookieDomain;
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        this.cookieDomain = cookieDomain;
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    }
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    }
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    /**
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     * Logic to update trakcer.
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     *
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     * 1. AFFILIATE: If there is valid afid parameter passed and is different than the
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     *    afid of current tracker, create new tracker with new afid.
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     * 2. REFERER FROM SEARCH ENGINE SAHOLIC IN QUERY: Create a direct traffic tracker
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     *    if there is no tracker assigned yet.
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     * 3. REFERER FROM SEARCH ENGINE NO SAHOLIC IN QUERY: Create a tracker
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     */
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	@Override
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    @Override
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	public String intercept(ActionInvocation invocation) throws Exception {
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	public String intercept(ActionInvocation invocation) throws Exception {
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		HttpServletRequest request = ServletActionContext.getRequest();
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		HttpServletRequest request = ServletActionContext.getRequest();
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		String affId = request.getParameter("afid");
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		String affId = request.getParameter("afid");
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		createCookiesMap(request);
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		cleanTrackerCookie(request);
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		cleanTrackerCookie();
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		updateFirstSourceCookie();
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		if(affId != null && !affId.isEmpty()) {
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		if(affId != null && !affId.isEmpty()) {
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		    createCookiesMap(request);
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		    updateAffCookie(affId);
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		    updateAffCookie(affId);
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		}
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		}
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        return invocation.invoke();
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        return invocation.invoke();
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	}
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	}
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    /**
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     * Check afid, referer
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     *
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     */
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    private void updateFirstSourceCookie() {
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        firstSourceCookie = (Cookie) cookiesMap.get(SRC_COOKIE);
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        if (firstSourceCookie != null) {
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            return;
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        }
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        HttpServletRequest request = ServletActionContext.getRequest();
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        String src = "";
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        String referer = request.getHeader("referer");
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        if (referer == null || referer.isEmpty() || referer.contains("saholic") || referer.contains("shop2020")) {
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            src = "DIRECT : " + "(" + request.getRequestURL() + ")" ;
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        }
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        else if (referer.contains("google.co")) {
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            src = "ORGANIC : " + "(" + referer + ")";
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        }
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        else {
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            src = referer;
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        }
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        DesEncrypter des = new DesEncrypter("Saholic");
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        String sourceCookieVal = des.encrypt(src);
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        firstSourceCookie = new Cookie(SRC_COOKIE, sourceCookieVal);
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        firstSourceCookie.setMaxAge(SECONDS_IN_YEAR);
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        firstSourceCookie.setPath("/");
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        if (!cookieDomain.isEmpty()) {
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            firstSourceCookie.setDomain(cookieDomain);
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        }
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        cookiesMap.put(SRC_COOKIE, firstSourceCookie);
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        HttpServletResponse response = ServletActionContext.getResponse();
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        response.addCookie(firstSourceCookie);
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    }
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    private void createCookiesMap(HttpServletRequest request) {
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    private void createCookiesMap(HttpServletRequest request) {
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        cookiesMap  = new HashMap<String, Cookie>();
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        cookiesMap  = new HashMap<String, Cookie>();
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        Cookie[] cookies = request.getCookies();
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        Cookie[] cookies = request.getCookies();
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        // This check is necessary for the first request when no cookies are
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        // This check is necessary for the first request when no cookies are
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        // sent.
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        // sent.
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        for (Cookie cookie : cookies) {
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        for (Cookie cookie : cookies) {
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            cookiesMap.put(cookie.getName(), cookie);
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            cookiesMap.put(cookie.getName(), cookie);
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        }
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        }
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    }
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    }
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    private void cleanTrackerCookie(HttpServletRequest request) {
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    private void cleanTrackerCookie() {
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        createCookiesMap(request);
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        trackerCookie = (Cookie) cookiesMap.get(TRACKER);
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        trackerCookie = (Cookie) cookiesMap.get(TRACKER);
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        affCookie = (Cookie) cookiesMap.get(AFF_COOKIE);
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        affCookie = (Cookie) cookiesMap.get(AFF_COOKIE);
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        if (trackerCookie != null) {
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        if (trackerCookie != null) {
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            if (affCookie == null) {
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            if (affCookie == null) {