/** Runs commands across sessions */
  @Action(value = "/terms/runCmd")
  public String runCmd() {
    Long userId = AuthUtil.getUserId(servletRequest.getSession());
    if (userId != null) {
      try {
        // if id then write to single system output buffer
        if (idList != null && idList.size() > 0) {
          for (Long id : idList) {
            // get servletRequest.getSession() for user
            UserSchSessions userSchSessions = userSchSessionMap.get(userId);
            if (userSchSessions != null) {
              SchSession schSession = userSchSessions.getSchSessionMap().get(id);
              if (keyCode != null) {
                if (keyMap.containsKey(keyCode)) {
                  schSession.getCommander().write(keyMap.get(keyCode));
                }
              } else {
                schSession.getCommander().print(command);
              }
            }
          }
        }
      } catch (Exception ex) {
        ex.printStackTrace();
      }
    } else {
      AuthUtil.deleteAllSession(servletRequest.getSession());
    }

    return null;
  }
  @Action(
      value = "/admin/exitTerms",
      results = {@Result(name = "success", location = "/admin/menu.action", type = "redirect")})
  public String exitTerms() {

    Long userId = AuthUtil.getUserId(servletRequest.getSession());
    // check user map
    if (userSchSessionMap != null && !userSchSessionMap.isEmpty()) {

      // get user servletRequest.getSession()s
      for (Long userKey : userSchSessionMap.keySet()) {
        UserSchSessions userSchSessions = userSchSessionMap.get(userKey);

        // get current time and subtract number of hours set to determine expire time
        Calendar expireTime = Calendar.getInstance();
        expireTime.add(
            Calendar.HOUR,
            (-1
                * Integer.parseInt(
                    AppConfigLkup.getProperty(
                        "timeoutSshAfter")))); // subtract hours to get expire time

        // if current user or session has timed out remove ssh session
        if (userId.equals(userKey) || userSchSessions.getStartTime().before(expireTime.getTime())) {
          Map<Long, SchSession> schSessionMap = userSchSessionMap.get(userKey).getSchSessionMap();

          for (Long sessionKey : schSessionMap.keySet()) {

            SchSession schSession = schSessionMap.get(sessionKey);

            // disconnect ssh session
            schSession.getChannel().disconnect();
            schSession.getSession().disconnect();
            schSession.setChannel(null);
            schSession.setSession(null);
            schSession.setInputToChannel(null);
            schSession.setCommander(null);
            schSession.setOutFromChannel(null);
            schSession = null;
            // remove from map
            schSessionMap.remove(sessionKey);
          }

          // clear and remove session map for user
          schSessionMap.clear();
          userSchSessionMap.remove(userKey);
          SessionOutputUtil.removeUserSession(userKey);
        }
      }
    }

    return SUCCESS;
  }
  /** creates composite terminals if there are errors or authentication issues. */
  @Action(
      value = "/admin/createTerms",
      results = {@Result(name = "success", location = "/admin/secure_shell.jsp")})
  public String createTerms() {

    Long userId = AuthUtil.getUserId(servletRequest.getSession());
    Long sessionId = AuthUtil.getSessionId(servletRequest.getSession());

    if (pendingSystemStatus != null && pendingSystemStatus.getId() != null) {

      // get status
      currentSystemStatus = SystemStatusDB.getSystemStatus(pendingSystemStatus.getId(), userId);
      // if initial status run script
      if (currentSystemStatus != null
          && (HostSystem.INITIAL_STATUS.equals(currentSystemStatus.getStatusCd())
              || HostSystem.AUTH_FAIL_STATUS.equals(currentSystemStatus.getStatusCd())
              || HostSystem.PUBLIC_KEY_FAIL_STATUS.equals(currentSystemStatus.getStatusCd()))) {

        // set current servletRequest.getSession()
        currentSystemStatus =
            SSHUtil.openSSHTermOnSystem(
                passphrase, password, userId, sessionId, currentSystemStatus, userSchSessionMap);
      }
      if (currentSystemStatus != null
          && (HostSystem.AUTH_FAIL_STATUS.equals(currentSystemStatus.getStatusCd())
              || HostSystem.PUBLIC_KEY_FAIL_STATUS.equals(currentSystemStatus.getStatusCd()))) {

        pendingSystemStatus = currentSystemStatus;

      } else {

        pendingSystemStatus = SystemStatusDB.getNextPendingSystem(userId);
        // if success loop through systems until finished or need password
        while (pendingSystemStatus != null
            && currentSystemStatus != null
            && HostSystem.SUCCESS_STATUS.equals(currentSystemStatus.getStatusCd())) {
          currentSystemStatus =
              SSHUtil.openSSHTermOnSystem(
                  passphrase, password, userId, sessionId, pendingSystemStatus, userSchSessionMap);
          pendingSystemStatus = SystemStatusDB.getNextPendingSystem(userId);
        }
      }
    }
    if (SystemStatusDB.getNextPendingSystem(userId) == null) {
      // check user map
      if (userSchSessionMap != null && !userSchSessionMap.isEmpty()) {

        // get user servletRequest.getSession()s
        Map<Long, SchSession> schSessionMap = userSchSessionMap.get(userId).getSchSessionMap();

        for (SchSession schSession : schSessionMap.values()) {
          // add to host system list
          systemList.add(schSession.getHostSystem());
          // run script it exists
          if (script != null && script.getId() != null && script.getId() > 0) {
            script = ScriptDB.getScript(script.getId(), userId);
            BufferedReader reader = new BufferedReader(new StringReader(script.getScript()));
            String line;
            try {
              while ((line = reader.readLine()) != null) {
                schSession.getCommander().println(line);
              }
            } catch (Exception e) {
              e.printStackTrace();
            }
          }
        }
      }
    }

    return SUCCESS;
  }