Initial import.
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370
src/zall/Zallery.java
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370
src/zall/Zallery.java
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package zall;
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.servlet.RequestDispatcher;
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import javax.servlet.ServletConfig;
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import javax.servlet.ServletException;
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import javax.servlet.http.Cookie;
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import javax.servlet.http.HttpServlet;
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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 zall.bean.Folder;
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import zall.bean.Image;
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import zall.bean.Media;
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import zall.bean.User;
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import zall.util.Email;
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import zall.util.facebook.FBUser;
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import zall.util.facebook.FacebookConnect;
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import zall.util.msg.UserMessage;
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import zall.util.msg.UserMessage.MessageType;
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import zutil.db.DBConnection;
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import zutil.db.bean.DBBean;
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import zutil.log.LogUtil;
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public class Zallery extends HttpServlet{
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private static Logger logger = LogUtil.getLogger();
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private static final long serialVersionUID = 1L;
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public static String WEBSITE_NAME = "Example.com";
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public static String WEBSITE_URL = "http://example.com";
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public static String THEME = "";
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public static String ROOT_PATH = "";
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public static String DATA_PATH = "";
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/**
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* Config Options:
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* <br>- WEBSITE_NAME
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* <br>- WEBSITE_URL
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* <br>- SMTP_HOST
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* <br>- DATA_PATH
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* <br>- THEME
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* <br>- FB_APPID
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* <br>- FB_APPSEC
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*/
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public void init(ServletConfig config) throws ServletException {
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super.init(config);
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ROOT_PATH = config.getServletContext().getRealPath("/");
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if( config.getInitParameter("WEBSITE_NAME") != null )
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WEBSITE_NAME = config.getInitParameter("WEBSITE_NAME");
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if( config.getInitParameter("WEBSITE_URL") != null ){
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WEBSITE_URL = config.getInitParameter("WEBSITE_URL");
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if( WEBSITE_URL.charAt(WEBSITE_URL.length()-1) != '/')
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WEBSITE_URL += "/";
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}
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if( config.getInitParameter("SMTP_HOST") != null )
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Email.setServer( config.getInitParameter("SMTP_HOST") );
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if( config.getInitParameter("DATA_PATH") != null )
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DATA_PATH = config.getInitParameter("DATA_PATH");
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else
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throw new ServletException("Missing DATA_PATH parameter!");
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if( config.getInitParameter("THEME") != null )
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THEME = config.getInitParameter("THEME");
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if( config.getInitParameter("FB_APPID") != null &&
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config.getInitParameter("FB_APPID") != null)
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FacebookConnect.setApplicationID(
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config.getInitParameter("FB_APPID"),
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config.getInitParameter("FB_APPSEC"));
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LogUtil.setLevel("zall", Level.FINEST);
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//LogUtil.setLevel("zutil", Level.FINEST);
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}
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public void destroy(){
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DBBean.cancelGBC();
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}
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public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException{
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DBConnection db = null;
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try{
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doGet(request, response, db = getDB());
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} finally{
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if(db != null) db.close();
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}
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}
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public void doGet(HttpServletRequest request, HttpServletResponse response, DBConnection db) throws ServletException{
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try{
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response.setContentType("text/html");
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HttpSession session = request.getSession();
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String page = new File(request.getRequestURI()).getName();
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request.setAttribute("page", page);
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User user = (User) session.getAttribute("user");
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FacebookConnect fbc = (FacebookConnect) session.getAttribute("facebook");
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if( fbc == null )
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fbc = FacebookConnect.getConnection( request.getCookies() );
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String action = request.getParameter("action");
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if( action == null ) action = "";
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UserMessage msgs = UserMessage.getUserMessage(session);
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// Take care of facebook open graph
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if( request.getHeader("User-Agent").startsWith("facebookexternalhit/1.1") && page.startsWith("media") ){
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PrintWriter out = response.getWriter();
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out.print("<HTML><HEAD>"+
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"<!-- Facebook OpenGraph -->"+
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"<meta property='og:title' content='"+WEBSITE_NAME+"'/>"+
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"<meta property='og:type' content='album'/>"+
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"<meta property='fb:app_id' content='"+FacebookConnect.getAplicationId()+"'/>"+
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"<meta property='og:url' content='"+WEBSITE_URL+"media?type="+request.getParameter("type")+"&id="+request.getParameter("id")+"'/>"+
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"<meta property='og:image' content='"+WEBSITE_URL+"content?type="+request.getParameter("type")+"&id="+request.getParameter("id")+"&size=small'/>"+
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"<meta property='og:site_name' content='"+WEBSITE_NAME+"'/>"+
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"</HEAD></HTML>");
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return;
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}
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// Verify email address
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if( action.equalsIgnoreCase("verfemail") ){
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User verfuser = User.load(db, Long.parseLong(request.getParameter("id")));
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if( verfuser.verifyEmail(request.getParameter("hash")) ){
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ZalleryAjax.sendEmailNewUserToAdmin(verfuser, db);
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verfuser.save(db);
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msgs.add(MessageType.INFO, "Your email has been successfully verified.");
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msgs.add(MessageType.WARNING, "The account is waiting account activation by an admin.");
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}
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else
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msgs.add(MessageType.ERROR, "Email verification failed!");
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}
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// auth with facebook
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if( user == null ){
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if( fbc != null ){
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FBUser fb_user = fbc.getUser();
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user = User.loadByFacebook(request, response, db, fb_user.getUID() );
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// New user?
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if( user == null ){
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logger.info("Creating new user from Facebook login.");
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user = new User();
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user.setFacebookUid( fb_user.getUID() );
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user.setName( fb_user.getName() );
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user.setEmail( "" );
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user.registerOnHost(request, response, db, false );
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ZalleryAjax.sendEmailNewUserToAdmin(user, db);
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msgs.add(MessageType.INFO, "Your account has successfully been created. The account is waiting account activation by an admin.");
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}
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logger.info("Used Facebook to auth User: \""+user.getName()+"\".");
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user.registerOnHost(request, response, db, false );
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session.setAttribute("user", user);
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session.setAttribute("facebook", fbc);
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user.save(db);
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//if( page.startsWith("login") )
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response.sendRedirect( "gallery" );
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//else
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// response.sendRedirect( page );
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return;
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}
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}
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// auth with cookie
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if( user == null ){
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user = User.loadByCookie(request, db, getCookieValue(request.getCookies(), "sessionHash") );
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if(user != null){
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logger.info("Used cookies to auth User: \""+user.getName()+"\".");
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session.setAttribute("user", user);
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}
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}
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if( user == null && ( !page.startsWith("register") && !page.startsWith("login") )){
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//response.sendRedirect("login?redirect=\""+getUrl(request)+"\"");
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response.sendRedirect("login");
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return;
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}
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// validate user or Logout
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if( user != null && ( !user.valid(request) || page.startsWith("logout") )){
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logger.info("Logging Out User: \""+user.getName()+"\".");
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session.invalidate();
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session = request.getSession( true );
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msgs.setSession( session );
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if( fbc != null ) fbc.logout( response );
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user.logout( response );
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if( !user.isEmailVerified() )
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msgs.add(MessageType.ERROR, "Your email has not been verified!");
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else if( !user.isEnabled() )
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msgs.add(MessageType.ERROR, "Your account is disabled! Please contact the website administrator.");
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else
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msgs.add(MessageType.WARNING, "Your have been logged out.");
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user = null;
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response.sendRedirect("login");
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return;
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}
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//**********************************************************
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String include_jsp = null;
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if( user != null ){
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logger.finest("Valid user: \""+user.getName()+"\"");
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// Register facebook on user
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if( user.getFacebookUid() == null && fbc != null){
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FBUser fb_user = fbc.getUser();
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user.setFacebookUid( fb_user.getUID() );
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msgs.add(MessageType.INFO, "Facebook connected to your account.");
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}
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// Import JSP pages
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if(page.startsWith("media")){
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try{
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if( request.getParameter("id") == null && request.getParameter("type") == null){
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msgs.add(MessageType.ERROR, "Missing parameters!");
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return;
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}
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int id = Integer.parseInt( request.getParameter("id") );
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Media media = Media.load(db, request.getParameter("type"), id);
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request.setAttribute("media", media);
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include_jsp = "media.jsp";
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}catch(NumberFormatException e){ logger.log(Level.FINE, "", e); }
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}
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else if(page.startsWith("login")){
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include_jsp = "login.jsp";
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}
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else if(page.startsWith("profile")){
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if( request.getParameter("id") != null ){
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User profile_user = User.load(db, Long.parseLong( request.getParameter("id") ));
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if( user.canEdit( profile_user )){
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request.setAttribute("profile_user", profile_user);
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include_jsp = "profile.jsp";
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}else{
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msgs.add(MessageType.ERROR, "You do not have permission to edit this user.");
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}
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}else{
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request.setAttribute("profile_user", user);
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include_jsp = "profile.jsp";
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}
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}
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else if(page.startsWith("users")){
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List<User> users = User.load(db);
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request.setAttribute("users", users);
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include_jsp = "users.jsp";
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}
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else if(page.startsWith("upload")){
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List<Folder> dirList = Folder.load(db, user);
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request.setAttribute("folders", dirList);
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include_jsp = "upload.jsp";
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}
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else if( page.startsWith("slideshow") ){
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Image image = Image.load(db, Integer.parseInt( request.getParameter("id") ));
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request.setAttribute("image", image );
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List<Image> list = Image.loadFolder(db, image.getFolder());
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request.setAttribute("image", image);
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request.setAttribute("images", list);
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include_jsp = "slideshow.jsp";
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}
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else { // if(page.startsWith("gallery"))
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Folder folder = null;
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if(request.getParameter("folder") != null && !request.getParameter("folder").equalsIgnoreCase("null"))
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folder = Folder.load(db, Long.parseLong(request.getParameter("folder")) );
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else{
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folder = Folder.loadRoot(db);
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// Setup new root folder
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if( folder == null ){
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folder = Folder.genRoot();
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folder.save(db);
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}
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}
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List<Media> list = Media.load(db, folder);
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List<Folder> subFolders = Folder.loadSubFolders(db, folder.getId());
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//session.setAttribute("user", user);
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request.setAttribute("folder", folder);
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request.setAttribute("subfolders", subFolders);
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request.setAttribute("media", list);
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include_jsp = "gallery.jsp";
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}
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}
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else if(page.startsWith("register")){
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include_jsp = "register.jsp";
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}
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else if(page.startsWith("login")){
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include_jsp = "login.jsp";
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}
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else{
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//response.sendRedirect("login?redirect=\""+getUrl(request)+"\"");
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response.sendRedirect("login");
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return;
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}
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include("header.jsp", request, response);
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if( include_jsp != null )
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include(include_jsp, request, response);
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include("footer.jsp", request, response);
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} catch (Exception e) {
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logger.severe(e.getMessage());
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System.out.flush();
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throw new ServletException(e);
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} finally{
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if(db != null) db.close();
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}
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}
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public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException{
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try {
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include("ajax", request, response);
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// RequestDispatcher include header read only workaround
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HttpSession session = request.getSession();
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User user = (User) session.getAttribute("user");
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if( user != null ){
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Cookie c = new Cookie("sessionHash", user.getSessionHash() );
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c.setMaxAge(5*24*60*60); // 5 days
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response.addCookie( c );
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}
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// Do the output
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doGet(request, response);
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} catch (Exception e) {
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logger.severe(e.getMessage());
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throw new ServletException(e);
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}
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}
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public static DBConnection getDB() throws ServletException{
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try {
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return new DBConnection("jdbc/mysql");
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} catch (Exception e) {
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throw new ServletException(e);
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}
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}
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protected void include(String url, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
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RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(THEME+"/"+url);
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if (dispatcher != null)
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dispatcher.include(request, response);
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}
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public static String getCookieValue(Cookie[] cookies, String name) {
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if( cookies == null )
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return null;
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for(Cookie cookie : cookies) {
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if ( name.equals(cookie.getName()) )
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return cookie.getValue();
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}
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return null;
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}
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public static String getWebsiteName() {
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return WEBSITE_NAME;
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}
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public static String getWebsiteURL() {
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return WEBSITE_URL;
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}
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// /mywebapp/servlet/MyServlet/a/b;c=123?d=789
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public static String getUrl(HttpServletRequest req) {
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String reqUri = req.getRequestURI().toString();
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String queryString = req.getQueryString(); // d=789
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if (queryString != null) {
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reqUri += "?"+queryString;
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}
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return reqUri;
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}
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}
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