manageusers.java

java 写的一个新闻发布系统

     * @throws IOException
     * @throws ServletException
     * @throws JahiaException
     */
    private boolean processUserCreate(HttpServletRequest request,
                                   HttpServletResponse response,
                                   HttpSession session)
    throws IOException, ServletException, JahiaException
    {
        // get form values...
        String username = request.getParameter("username").trim();
        if (username.length() == 0) {
            userMessage = "Please specify a user name";
            return false;
        }
        // The following test is really disputable because we should can enter
        // as well accentueted char and any internationalized char.
        else if (!JahiaTools.isAlphaValid(username)) {
            userMessage = "Use only letters, digits or underscores in User Name";
            return false;
        }
        else if (uMgr.userExists(jahiaSite.getID(), username)) {
            userMessage = "User [" + username + "] already exists in this site";
            return false;
        }
        String passwd = request.getParameter("passwd").trim();
        if ("".equals(passwd)) {
            passwd = username + "123";
            JahiaConsole.println(CLASS_NAME+".processUserCreate","ATTENTION !! No password for user " +
                username + ". Create the default one : " + passwd + "\n" +
                "This is not secure !!! Please redefine another password as soon as possible for this user.");
        } else {
            String passwdConfirm = request.getParameter("passwdconfirm").trim();
            if (!passwdConfirm.equals(passwd)) {
                userMessage = "Password confirmation does not match. Please insert coins and try again.";
                return false;
            } else if (passwd.length() < 6) {
                userMessage = "Password should be minimum 6 characters length. Please try again.";
                return false;
            }
        }
        Properties userProps = new Properties();
        userProps.setProperty("firstname", request.getParameter("firstname").trim());
        userProps.setProperty("lastname", request.getParameter("lastname").trim());
        userProps.setProperty("email", request.getParameter("email").trim());
        userProps.setProperty("organization", request.getParameter("organization").trim());

        JahiaUser usr = uMgr.createUser(username, passwd, username + ":" + jahiaSite.getID(), jahiaSite.getID(), userProps);
        if (usr == null) {
            userMessage = "Unable to create user " + username;
            return false;
        } else {
            JahiaSiteUserManagerService siteUserManager =
                ServicesRegistry.getInstance().getJahiaSiteUserManagerService();
            siteUserManager.addMember(jahiaSite.getID(), usr);
            userMessage = "User [" + username + "] successfully created.";
        }

        // Lookup for home page settings and set it.
        if (request.getParameter("setHomePage") != null) {
            Integer homePageIDInt = (Integer)session.getAttribute("homePageID");
            if (homePageIDInt != null) {
                int homePageID = homePageIDInt.intValue();
                JahiaConsole.println(CLASS_NAME+".processUserCreate", "Process Home Page ID : " + homePageID);
                usr.setHomepageID(homePageID);
            }
        }

        _searchResult = null;
        return true;
    }

    /**
     * Display all user properties including home page redirection if exists.
     *
     * @param request
     * @param response
     * @param session
     * @throws IOException
     * @throws ServletException
     * @throws JahiaException
     */
    private void displayUserEdit(HttpServletRequest request,
                                 HttpServletResponse response,
                                 HttpSession session)
    throws IOException, ServletException, JahiaException
    {
        JahiaConsole.println(CLASS_NAME+".displayUserEdit", "Started");
        String userToEdit;
        JahiaUser theUser;
        if (isSuperAdminProp) {
            userToEdit = (String)session.getAttribute(JahiaAdministration.CLASS_NAME + "jahiaLoginUsername");
            theUser = (JahiaUser)uMgr.lookupUser(0, userToEdit);
            // Spaces ensure the compatiblity format from the user_management.jsp select box
            userToEdit = "          " + userToEdit;
            request.setAttribute("isSuperAdminProp", "");
        } else {
            userToEdit = (String)request.getParameter("selectedUsers");
            if (userToEdit == null) { // Get the last user if none was selected.
                userToEdit = (String)session.getAttribute("selectedUsers");
            }
            if (userToEdit == null || "null".equals(userToEdit)) {
                userMessage = "Please select a user in the select box";
                displayUsers(request, response, session);
                return;
            }
            // Consider actual selected user as the last one and store it in session.
            session.setAttribute("selectedUsers", userToEdit);
            theUser = (JahiaUser)uMgr.lookupUser(jahiaSite.getID(), userToEdit.substring(10));
        }
        Properties userProperties = theUser.getProperties();
        request.setAttribute("usernameValue", userToEdit);
        if (request.getParameter("firstname") != null) {
            userProperties.put("firstname", request.getParameter("firstname"));
        }
        if (request.getParameter("lastname") != null) {
            userProperties.put("lastname", request.getParameter("lastname"));
        }
        if (request.getParameter("email") != null) {
            userProperties.put("email", request.getParameter("email"));
        }
        if (request.getParameter("organization") != null) {
            userProperties.put("organization", request.getParameter("organization"));
        }
        request.setAttribute("passwd", "");
        request.setAttribute("passwdconfirm", "");
        request.setAttribute("userProperties", userProperties);

        // Get the home page
        if (session.getAttribute("homePageLabel") == null) {
            int homePageID = theUser.getHomepageID();
            if (homePageID != -1) {
                // FIXME : This exception should arrive when the page is
                // erased. In this case it is the rule of the page remover
                // to ensure that no references to pages exist before
                // removing.
                /** @todo remove this exception catching when a correct page
                   remover were implemented. */
                try {
                    session.setAttribute("homePageLabel", JahiaPageBaseService.
                        getInstance().lookupPageWhitoutTemplates(homePageID).getTitle());
                    session.setAttribute("homePageID", new Integer(homePageID));
                } catch (JahiaException je) {
                    JahiaConsole.printe(CLASS_NAME+".displayUserEdit", je);
                    userMessage = "Jahia encounters a problem with the home page." +
                                  "Was this page removed ?";
                    session.setAttribute("homePageLabel", "Disapeared !");
                }
            } else {
                    session.setAttribute("homePageLabel", "none");
            }
        }
        request.setAttribute("jspSource", JSP_PATH + "/user_management/user_edit.jsp");
        request.setAttribute("directMenu", JSP_PATH + "/direct_menu.jsp");
        session.setAttribute("jahiaDisplayMessage", Jahia.COPYRIGHT);
        session.setAttribute("userMessage", userMessage);
        doRedirect(request, response, session, JSP_PATH + "/admin.jsp");
        userMessage = "";
    }

    /**
     * Process the user edition formular.
     * 1) Check if the user is coming out from Jahia DB
     * 2) Check password validity
     * 3) Set the user properties in DB
     * 4) Set the home page redirection if one is set.
     *
     * @param request
     * @param response
     * @param session
     * @return true if operation successed, false otherwise.
     * @throws IOException
     * @throws ServletException
     * @throws JahiaException
     */
    private boolean processUserEdit(HttpServletRequest request,
                                    HttpServletResponse response,
                                    HttpSession session)
    throws IOException, ServletException, JahiaException
    {
        JahiaConsole.println(CLASS_NAME+".processUserEdit", "Started");
        // get form values...
        String username = request.getParameter("username");
        JahiaUser usr;
        if (isSuperAdminProp) {
            usr = (JahiaUser)uMgr.lookupUser(0, username);
        } else {
            usr = (JahiaUser)uMgr.lookupUser(jahiaSite.getID(), username);
        }
        JahiaConsole.println(CLASS_NAME+".processUserEdit", "Update user : " + usr.getUserKey());
        if (usr.getUserKey().indexOf("{ldap}") != - 1) { // External user. i.e. LDAP
            // LDAP user processing
            // Actualy nothing to do
        } else {
            // jahia_db usr processing
            String passwd = request.getParameter("passwd").trim();
            if (!"".equals(passwd)) {
                String passwdConfirm = request.getParameter("passwdconfirm").trim();
                if (!passwdConfirm.equals(passwd)) {
                    userMessage = "Password confirmation does not match. Please insert coins and try again.";
                    return false;
                } else if (passwd.length() < 6) {
                    userMessage = "Password should be minimum 6 characters length. Please try again.";
                    return false;
                }
            }
            if (!"".equals(passwd) && !usr.setPassword(passwd)) {
                userMessage = "Cannot change password for user [" + username + "]";
                return false;
            }
            usr.setProperty("firstname", request.getParameter("firstname").trim());
            usr.setProperty("lastname", request.getParameter("lastname").trim());
            usr.setProperty("email", request.getParameter("email").trim());
            usr.setProperty("organization", request.getParameter("organization").trim());
        }
        // Lookup for home page settings and set it.
        Integer homePageIDInt = (Integer)session.getAttribute("homePageID");
        if (homePageIDInt != null) {
            int homePageID = homePageIDInt.intValue();
            if (homePageID != -1) {
                JahiaConsole.println(CLASS_NAME+".processUserEdit", "Process Home Page ID : " + homePageID);
                usr.setHomepageID(homePageID);
            } else {
                // Why are attributes such JahiaDBUser.mHOMEPAGE_PROP sudenly private ?
                usr.removeProperty("user_homepage");
            }
        }
        userMessage = "User [" + username + "] successfully updated.";
        return true;
    }

    /**
     * Display confirmation message for removing or not a Jahia user.
     * External user cannot be removed actualy.
     *
     * @param request
     * @param response
     * @param session
     * @throws IOException
     * @throws ServletException
     * @throws JahiaException
     */
    private void displayUserRemove(HttpServletRequest    request,
                                   HttpServletResponse   response,
                                   HttpSession           session)
    throws IOException, ServletException, JahiaException
    {
        JahiaConsole.println(CLASS_NAME+".displayUserRemove", "Started");

        String selectedUsers = request.getParameter("selectedUsers");
        if (selectedUsers == null || "null".equals(selectedUsers)) {
            userMessage = "Please select a user in the select box";
            displayUsers(request, response, session);
        } else {
            JahiaUser theUser = (JahiaUser)uMgr.lookupUser(jahiaSite.getID(), selectedUsers.substring(10));
            // set request attributes...
            request.setAttribute("usernameValue", selectedUsers);
            session.setAttribute("userMessage", userMessage);
            request.setAttribute("jspSource", JSP_PATH + "/user_management/user_remove.jsp");
            request.setAttribute("directMenu", JSP_PATH + "/direct_menu.jsp");
            session.setAttribute("jahiaDisplayMessage", Jahia.COPYRIGHT);
            doRedirect(request, response, session, JSP_PATH + "/admin.jsp");
            userMessage = "";
        }
    }

    /**
     * Process the Jahia user DB removing.
     * CAUTION ! The user "guest" cannot be removed.
     *
     * @param request
     * @param response
     * @param session
     * @throws IOException
     * @throws ServletException
     * @throws JahiaException
     */
    private void processUserRemove(HttpServletRequest    request,
                                   HttpServletResponse   response,
                                   HttpSession           session)
    throws IOException, ServletException, JahiaException
    {
        JahiaConsole.println(CLASS_NAME+".processUserRemove", "Started");

        session.setAttribute("selectedUsers", null);
        String userName = request.getParameter("username");
        if (!userName.equals("guest")) {
            // try to delete the user and memberships...
            try {
                JahiaUser user = uMgr.lookupUser(jahiaSite.getID(), userName);
                JahiaUser currentUser = (JahiaUser)session.getAttribute(ParamBean.SESSION_USER);
                if (!user.getUserKey().equals(currentUser.getUserKey())) {
                    JahiaSiteUserManagerService siteUserManager =
                        ServicesRegistry.getInstance().getJahiaSiteUserManagerService();
                    siteUserManager.removeMember(user);
                    uMgr.deleteUser(user);
                    userMessage = "User " + userName + " successfully removed.";
                } else {
                    userMessage = "Couldn't remove your user.";
                }
            } catch (Exception e) {
                userMessage = "Couldn't remove user " + userName + ".";
            }
        } else {
            userMessage = "Couldn't remove user guest.";
        }
        _searchResult = null;
        displayUsers( request, response, session);
    }

    /**
     * Apply the HomePageTool object displaying a home page tool popup window.
     *
     * @param request
     * @param response
     * @param session
     * @throws Throwable
     */
    private void processHomePage(HttpServletRequest request,
                                 HttpServletResponse response,
                                 HttpSession session)
    throws Throwable
    {
        if (homePageTool == null) {
            homePageTool = new HomePageTool(request, response, session);
        } else {
            homePageTool.requestDispatcher(request, response, session);
        }
    }

}