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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.HashMap;
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import java.util.Map;
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import in.shop2020.serving.services.UserSessionInfo;
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import in.shop2020.serving.services.UserSessionInfo;
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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.HttpSession;
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import javax.servlet.http.HttpSession;
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import org.apache.log4j.Logger;
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import org.apache.log4j.Logger;
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import org.apache.struts2.ServletActionContext;
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import org.apache.struts2.ServletActionContext;
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public class CreateUserInterceptor extends AbstractInterceptor {
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public class CreateUserInterceptor extends AbstractInterceptor {
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	private static final long serialVersionUID = -4125815700236506235L;
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	private static final long serialVersionUID = -4125815700236506235L;
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	private static Logger log = Logger.getLogger(CreateUserInterceptor.class);
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	private static Logger log = Logger.getLogger(CreateUserInterceptor.class);
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	private Map<String, Cookie> cookiesMap = null;
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	private Cookie userCookie = null;
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	private String cookieDomain = "";
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	public void setCookieDomain(String cookieDomain) {
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		this.cookieDomain = cookieDomain;
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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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		log.info("inside create user interceprot");
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		log.info("inside create user interceprot");
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		HttpServletRequest request = ServletActionContext.getRequest();
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		HttpServletRequest request = ServletActionContext.getRequest();
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        HttpSession session = request.getSession(); // Get the existing session or create a new one
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        HttpSession session = request.getSession(); // Get the existing session or create a new one
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        createCookiesMap(request);
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        UserSessionInfo userInfo = null;
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		UserSessionInfo userInfo = (UserSessionInfo) session.getAttribute(UserInterceptor.USER_INFO);
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		Cookie userinfoCookie = cookiesMap.get(UserInterceptor.USER_INFO_COOKIE_NAME);
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        if(userInfo.getUserId() == -1){
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		if(userinfoCookie!=null){
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			userInfo = UserSessionInfo.getUserSessionInfoFromCookieValue(userinfoCookie.getValue());
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		}else{
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        	userInfo = new UserSessionInfo(session.getId());
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        	userInfo = new UserSessionInfo(session.getId());
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			session.setAttribute(UserInterceptor.USER_INFO, userInfo);
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        	request.setAttribute(UserInterceptor.USER_INFO_COOKIE_NAME, userInfo);
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        	createUserCookie(userInfo.getUserId(), true);
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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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	private void createUserCookie(long userId, boolean force) {
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		userCookie = (Cookie) cookiesMap.get(UserInterceptor.USER_ID_COOKIE_NAME);
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		String encryptedUserId = UserInterceptor.desEncrypter.encrypt(userId + "");
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		if(force || userCookie == null || !(encryptedUserId + "").equals(userCookie.getValue())){
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			userCookie = new Cookie(UserInterceptor.USER_ID_COOKIE_NAME, encryptedUserId);
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			userCookie.setMaxAge(UserInterceptor.SECONDS_IN_YEAR); // one year
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			userCookie.setPath("/");
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			if(!cookieDomain.isEmpty()) {
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				userCookie.setDomain(cookieDomain);
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			}
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			log.info("Created new cookie.");
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			cookiesMap.put(UserInterceptor.USER_ID_COOKIE_NAME, userCookie);
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	        HttpServletResponse response = ServletActionContext.getResponse();
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	        response.addCookie(userCookie);
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		}
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	}
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	private void createCookiesMap(HttpServletRequest request) {
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		cookiesMap  = new HashMap<String, Cookie>();
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		Cookie[] cookies = request.getCookies();
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		if(cookies==null)
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			return;
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		for (Cookie cookie : cookies) {
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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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