Example #1
1
  public static void showSession(HttpServletRequest req, PrintStream out) {

    // res.setContentType("text/html");

    // Get the current session object, create one if necessary
    HttpSession session = req.getSession();

    out.println("Session id: " + session.getId());
    out.println(" session.isNew(): " + session.isNew());
    out.println(" session.getMaxInactiveInterval(): " + session.getMaxInactiveInterval() + " secs");
    out.println(
        " session.getCreationTime(): "
            + session.getCreationTime()
            + " ("
            + new Date(session.getCreationTime())
            + ")");
    out.println(
        " session.getLastAccessedTime(): "
            + session.getLastAccessedTime()
            + " ("
            + new Date(session.getLastAccessedTime())
            + ")");
    out.println(" req.isRequestedSessionIdFromCookie: " + req.isRequestedSessionIdFromCookie());
    out.println(" req.isRequestedSessionIdFromURL: " + req.isRequestedSessionIdFromURL());
    out.println(" req.isRequestedSessionIdValid: " + req.isRequestedSessionIdValid());

    out.println("Saved session Attributes:");
    Enumeration atts = session.getAttributeNames();
    while (atts.hasMoreElements()) {
      String name = (String) atts.nextElement();
      out.println(" " + name + ": " + session.getAttribute(name) + "<BR>");
    }
  }
Example #2
0
  public static void showSession(HttpServletRequest req, HttpServletResponse res, PrintStream out) {

    // res.setContentType("text/html");

    // Get the current session object, create one if necessary
    HttpSession session = req.getSession();

    // Increment the hit count for this page. The value is saved
    // in this client's session under the name "snoop.count".
    Integer count = (Integer) session.getAttribute("snoop.count");
    if (count == null) {
      count = 1;
    } else count = count + 1;
    session.setAttribute("snoop.count", count);

    out.println(HtmlWriter.getInstance().getHtmlDoctypeAndOpenTag());
    out.println("<HEAD><TITLE>SessionSnoop</TITLE></HEAD>");
    out.println("<BODY><H1>Session Snoop</H1>");

    // Display the hit count for this page
    out.println(
        "You've visited this page " + count + ((!(count.intValue() != 1)) ? " time." : " times."));

    out.println("<P>");

    out.println("<H3>Here is your saved session data:</H3>");
    Enumeration atts = session.getAttributeNames();
    while (atts.hasMoreElements()) {
      String name = (String) atts.nextElement();
      out.println(name + ": " + session.getAttribute(name) + "<BR>");
    }

    out.println("<H3>Here are some vital stats on your session:</H3>");
    out.println("Session id: " + session.getId() + " <I>(keep it secret)</I><BR>");
    out.println("New session: " + session.isNew() + "<BR>");
    out.println("Timeout: " + session.getMaxInactiveInterval());
    out.println("<I>(" + session.getMaxInactiveInterval() / 60 + " minutes)</I><BR>");
    out.println("Creation time: " + session.getCreationTime());
    out.println("<I>(" + new Date(session.getCreationTime()) + ")</I><BR>");
    out.println("Last access time: " + session.getLastAccessedTime());
    out.println("<I>(" + new Date(session.getLastAccessedTime()) + ")</I><BR>");

    out.println(
        "Requested session ID from cookie: " + req.isRequestedSessionIdFromCookie() + "<BR>");
    out.println("Requested session ID from URL: " + req.isRequestedSessionIdFromURL() + "<BR>");
    out.println("Requested session ID valid: " + req.isRequestedSessionIdValid() + "<BR>");

    out.println("<H3>Test URL Rewriting</H3>");
    out.println("Click <A HREF=\"" + res.encodeURL(req.getRequestURI()) + "\">here</A>");
    out.println("to test that session tracking works via URL");
    out.println("rewriting even when cookies aren't supported.");

    out.println("</BODY></HTML>");
  }
Example #3
0
  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    response.setContentType("text/html");
    PrintWriter out = response.getWriter();
    String title = "Session Tracking Example";
    HttpSession session = request.getSession(true);
    String heading;

    Integer accessCount = (Integer) session.getAttribute("accessCount");

    if (accessCount == null) {
      accessCount = new Integer(0);
      heading = "Welcome, Newcomer";
    } else {
      heading = "Welcome Back";
      accessCount = new Integer(accessCount.intValue() + 1);
    }

    session.setAttribute("accessCount", accessCount);
    out.println(
        "<BODY BGCOLOR=\"#FDF5E6\">\n"
            + "<H1 ALIGN=\"CENTER\">"
            + heading
            + "</H1>\n"
            + "<H2>Information on Your Session:</H2>\n"
            + "<TABLE BORDER=1 ALIGN=\"CENTER\">\n"
            + "<TR BGCOLOR=\"#FFAD00\">\n"
            + "  <TH>Info Type<TH>Value\n"
            + "<TR>\n"
            + "  <TD>ID\n"
            + "  <TD>"
            + session.getId()
            + "\n"
            + "<TR>\n"
            + "  <TD>Creation Time\n"
            + "  <TD>"
            + new Date(session.getCreationTime())
            + "\n"
            + "<TR>\n"
            + "  <TD>Time of Last Access\n"
            + "  <TD>"
            + new Date(session.getLastAccessedTime())
            + "\n"
            + "<TR>\n"
            + "  <TD>Number of Previous Accesses\n"
            + "  <TD>"
            + accessCount
            + "\n"
            + "</TR>"
            + "</TABLE>\n");

    // the following two statements show how to retrieve parameters in
    // the request.  The URL format is something like:
    // http://localhost:8080/project2/servlet/ShowSession?myname=Chen%20Li
    String myname = request.getParameter("myname");
    if (myname != null) out.println("Hey " + myname + "<br><br>");

    out.println("</BODY></HTML>");
  }
Example #4
0
  public void getEnv(VariableTable vt) {
    Enumeration e = null;
    HttpServletRequest request = (HttpServletRequest) (pageContext.getRequest());
    HttpSession session = request.getSession(false);

    String db_charset = "gb2312";
    String url_charset = null;

    vt.remove("SESSION.LOGINID");
    vt.remove("SESSION.LOGINNAME");
    vt.remove("SESSION.LOGINROLE");

    if (vt.exists("WEBCHART.DB_CHARSET")) {
      db_charset = vt.getString("WEBCHART.DB_CHARSET");
    }

    if (vt.exists("WEBCHART.URL_CHARSET")) {
      url_charset = vt.getString("WEBCHART.URL_CHARSET");
    }

    if (session != null) {
      e = session.getAttributeNames();
      while (e.hasMoreElements()) {
        String name = (String) e.nextElement();
        Object value = session.getAttribute(name);
        vt.add(name, java.sql.Types.VARCHAR);
        if (value != null) vt.setValue(name, value.toString());
      }
      vt.add("SESSION.ID", java.sql.Types.VARCHAR);
      vt.setValue("SESSION.ID", session.getId());
      vt.add("SESSION.CREATE", java.sql.Types.VARCHAR);
      vt.setValue(
          "SESSION.CREATE",
          DBOperation.toString(
              new java.util.Date(session.getCreationTime()), "yyyy-MM-dd HH:mm:ss"));
      vt.add("SESSION.ACCESS", java.sql.Types.VARCHAR);
      vt.setValue(
          "SESSION.ACCESS",
          DBOperation.toString(
              new java.util.Date(session.getLastAccessedTime()), "yyyy-MM-dd HH:mm:ss"));
    }
    e = request.getParameterNames();
    while (e.hasMoreElements()) {
      String name = (String) e.nextElement();
      String value = request.getParameter(name);
      ;
      String par_values[] = request.getParameterValues(name);
      name = name.toUpperCase();
      if (name.equalsIgnoreCase("WEBCHART.SECURITY")
          || name.equalsIgnoreCase("WEBCHART.DEFAULTACCESS")
          || name.equalsIgnoreCase("WEBCHART.ALLOW")
          || name.equalsIgnoreCase("WEBCHART.DENY")
          || name.equalsIgnoreCase("WEBCHART.IPSECURITY")
          || name.equalsIgnoreCase("WEBCHART.IPACCESS")
          || name.equalsIgnoreCase("WEBCHART.IPALLOW")
          || name.equalsIgnoreCase("WEBCHART.IPDENY")
          || name.equalsIgnoreCase("WEBCHART.XSLDOC")
          || name.equalsIgnoreCase("WEBCHART.IMAGEONLY")
          || name.equalsIgnoreCase("WEBCHART.XMLDATA")
          || name.equalsIgnoreCase("WEBCHART.LOGSQL")
          || name.equalsIgnoreCase("WEBCHART.DATATYPE")
          || name.equalsIgnoreCase("WEBCHART.URLS")
          || name.equalsIgnoreCase("WEBCHART.TOPURLS")
          || name.equalsIgnoreCase("WEBCHART.TOPCURR")
          || name.equalsIgnoreCase("WEBCHART.LEFTURLS")
          || name.equalsIgnoreCase("WEBCHART.LEFTCURR")
          || name.equalsIgnoreCase("WEBCHART.INPUTS")
          || name.equalsIgnoreCase("WEBCHART.CACHE")
          || name.equalsIgnoreCase("WEBCHART.DATA")
          || name.equalsIgnoreCase("WEBCHART.CSS")
          || name.equalsIgnoreCase("WEBCHART.RELOAD")
          || name.equalsIgnoreCase("WEBCHART.EXPIRE")
          || name.equalsIgnoreCase("WEBCHART.DMLKEY")
          || name.equalsIgnoreCase("WEBCHART.ENGINE")
          || name.equalsIgnoreCase("WEBCHART.EXCELURL")
          || name.equalsIgnoreCase("WEBCHART.DBID")
          || name.equalsIgnoreCase("WEBCHART.DBIDSEED")
          || name.equalsIgnoreCase("WEBCHART.SECUREFIELDS")
          || name.equalsIgnoreCase("WEBCHART.KEEP_CACHE_IMAGE")
          || name.equalsIgnoreCase("WEBCHART.KEEP_CACHE_TIME")
          || name.startsWith("WEBCHART.SECUREMEMO")
          || name.startsWith("WEBCHART.QUERY_")
          || name.startsWith("WEBCHART.HEADHTML_")
          || name.startsWith("WEBCHART.DATAHTML_")
          || name.startsWith("WEBCHART.VARLIST_")
          || name.startsWith("WEBCHART.FORALL_")
          || name.startsWith("WEBCHART.XMLDATA_")
          || name.startsWith("WEBCHART.TABLE_")
          || name.startsWith("WEBCHART.COLUMN_")
          || name.startsWith("SESSION.")) continue;
      if (name.startsWith("WEBCHART.") && !name.equals("WEBCHART.DOCTYPE")) continue;
      vt.add(name, java.sql.Types.VARCHAR);

      if (par_values != null && par_values.length > 1) {
        StringBuffer temp = new StringBuffer();
        for (int i = 0; i < par_values.length; i++) {
          if (par_values[i] != null && par_values[i].trim().length() > 0) {
            if (temp.length() > 0) {
              temp.append(",");
            }
            temp.append(par_values[i]);
          }
        }
        value = temp.toString();
      }
      if (url_charset != null) {
        try {
          value = new String(value.getBytes(url_charset), db_charset);
        } catch (java.io.UnsupportedEncodingException uee) {
        }
        ;
      }
      vt.setValue(name, value);
    }
    vt.add("REQUEST.REMOTEADDR", java.sql.Types.VARCHAR);
    vt.setValue("REQUEST.REMOTEADDR", getClientIPAddr());
    vt.add("REQUEST.REMOTEHOST", java.sql.Types.VARCHAR);
    vt.setValue("REQUEST.REMOTEHOST", request.getRemoteAddr());
    vt.add("REQUEST.REFERER", java.sql.Types.VARCHAR);
    vt.setValue("REQUEST.REFERER", request.getHeader("Referer"));
    vt.add("REQUEST.QUERYSTRING", java.sql.Types.VARCHAR);
    vt.setValue("REQUEST.QUERYSTRING", request.getQueryString());
  }