private ActionResult _doProcessAction(
      HttpServletRequest request, HttpServletResponse response, Portlet portlet) throws Exception {

    HttpServletRequest ownerLayoutRequest = getOwnerLayoutRequestWrapper(request, portlet);

    Layout ownerLayout = (Layout) ownerLayoutRequest.getAttribute(WebKeys.LAYOUT);

    boolean allowAddPortletDefaultResource =
        PortalUtil.isAllowAddPortletDefaultResource(ownerLayoutRequest, portlet);

    if (!allowAddPortletDefaultResource) {
      String url = null;

      LastPath lastPath = (LastPath) request.getAttribute(WebKeys.LAST_PATH);

      if (lastPath != null) {
        StringBundler sb = new StringBundler(3);

        sb.append(PortalUtil.getPortalURL(request));
        sb.append(lastPath.getContextPath());
        sb.append(lastPath.getPath());

        url = sb.toString();
      } else {
        url = String.valueOf(request.getRequestURI());
      }

      _log.error("Reject processAction for " + url + " on " + portlet.getPortletId());

      return ActionResult.EMPTY_ACTION_RESULT;
    }

    Layout layout = (Layout) request.getAttribute(WebKeys.LAYOUT);

    WindowState windowState =
        WindowStateFactory.getWindowState(ParamUtil.getString(request, "p_p_state"));

    if (layout.isTypeControlPanel()
        && ((windowState == null)
            || windowState.equals(WindowState.NORMAL)
            || Validator.isNull(windowState.toString()))) {

      windowState = WindowState.MAXIMIZED;
    }

    PortletMode portletMode =
        PortletModeFactory.getPortletMode(ParamUtil.getString(request, "p_p_mode"));

    PortletPreferencesIds portletPreferencesIds =
        PortletPreferencesFactoryUtil.getPortletPreferencesIds(request, portlet.getPortletId());

    PortletPreferences portletPreferences =
        PortletPreferencesLocalServiceUtil.getPreferences(portletPreferencesIds);

    ServletContext servletContext = (ServletContext) request.getAttribute(WebKeys.CTX);

    InvokerPortlet invokerPortlet = PortletInstanceFactoryUtil.create(portlet, servletContext);

    PortletConfig portletConfig = PortletConfigFactoryUtil.create(portlet, servletContext);
    PortletContext portletContext = portletConfig.getPortletContext();

    String contentType = request.getHeader(HttpHeaders.CONTENT_TYPE);

    if (_log.isDebugEnabled()) {
      _log.debug("Content type " + contentType);
    }

    UploadServletRequest uploadServletRequest = null;

    try {
      if ((contentType != null) && contentType.startsWith(ContentTypes.MULTIPART_FORM_DATA)) {

        PortletConfigImpl invokerPortletConfigImpl =
            (PortletConfigImpl) invokerPortlet.getPortletConfig();

        if (invokerPortlet.isStrutsPortlet()
            || invokerPortletConfigImpl.isCopyRequestParameters()
            || !invokerPortletConfigImpl.isWARFile()) {

          uploadServletRequest = new UploadServletRequestImpl(request);

          request = uploadServletRequest;
        }
      }

      if (PropsValues.AUTH_TOKEN_CHECK_ENABLED && invokerPortlet.isCheckAuthToken()) {

        AuthTokenUtil.check(request);
      }

      ActionRequestImpl actionRequestImpl =
          ActionRequestFactory.create(
              request,
              portlet,
              invokerPortlet,
              portletContext,
              windowState,
              portletMode,
              portletPreferences,
              layout.getPlid());

      User user = PortalUtil.getUser(request);

      ActionResponseImpl actionResponseImpl =
          ActionResponseFactory.create(
              actionRequestImpl,
              response,
              portlet.getPortletId(),
              user,
              layout,
              windowState,
              portletMode);

      actionRequestImpl.defineObjects(portletConfig, actionResponseImpl);

      ServiceContext serviceContext = ServiceContextFactory.getInstance(actionRequestImpl);

      ServiceContextThreadLocal.pushServiceContext(serviceContext);

      PermissionChecker permissionChecker = PermissionThreadLocal.getPermissionChecker();

      ThemeDisplay themeDisplay = (ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY);

      long scopeGroupId = themeDisplay.getScopeGroupId();

      boolean access =
          PortletPermissionUtil.hasAccessPermission(
              permissionChecker, scopeGroupId, ownerLayout, portlet, portletMode);

      if (access) {
        invokerPortlet.processAction(actionRequestImpl, actionResponseImpl);

        actionResponseImpl.transferHeaders(response);
      }

      RenderParametersPool.put(
          request,
          layout.getPlid(),
          portlet.getPortletId(),
          actionResponseImpl.getRenderParameterMap());

      List<Event> events = actionResponseImpl.getEvents();

      String redirectLocation = actionResponseImpl.getRedirectLocation();

      if (Validator.isNull(redirectLocation) && portlet.isActionURLRedirect()) {

        PortletURL portletURL =
            new PortletURLImpl(
                actionRequestImpl,
                actionRequestImpl.getPortletName(),
                layout.getPlid(),
                PortletRequest.RENDER_PHASE);

        Map<String, String[]> renderParameters = actionResponseImpl.getRenderParameterMap();

        for (Map.Entry<String, String[]> entry : renderParameters.entrySet()) {

          String key = entry.getKey();
          String[] value = entry.getValue();

          portletURL.setParameter(key, value);
        }

        redirectLocation = portletURL.toString();
      }

      return new ActionResult(events, redirectLocation);
    } finally {
      if (uploadServletRequest != null) {
        uploadServletRequest.cleanUp();
      }

      ServiceContextThreadLocal.popServiceContext();
    }
  }
  private ActionResult _doProcessAction(
      HttpServletRequest request, HttpServletResponse response, Portlet portlet) throws Exception {

    Layout layout = (Layout) request.getAttribute(WebKeys.LAYOUT);

    WindowState windowState =
        WindowStateFactory.getWindowState(ParamUtil.getString(request, "p_p_state"));

    if (layout.isTypeControlPanel()
        && ((windowState == null)
            || windowState.equals(WindowState.NORMAL)
            || Validator.isNull(windowState.toString()))) {

      windowState = WindowState.MAXIMIZED;
    }

    PortletMode portletMode =
        PortletModeFactory.getPortletMode(ParamUtil.getString(request, "p_p_mode"));

    PortletPreferencesIds portletPreferencesIds =
        PortletPreferencesFactoryUtil.getPortletPreferencesIds(request, portlet.getPortletId());

    PortletPreferences portletPreferences =
        PortletPreferencesLocalServiceUtil.getStrictPreferences(portletPreferencesIds);

    ServletContext servletContext = (ServletContext) request.getAttribute(WebKeys.CTX);

    InvokerPortlet invokerPortlet = PortletInstanceFactoryUtil.create(portlet, servletContext);

    PortletConfig portletConfig = PortletConfigFactoryUtil.create(portlet, servletContext);
    PortletContext portletContext = portletConfig.getPortletContext();

    String contentType = request.getHeader(HttpHeaders.CONTENT_TYPE);

    if (_log.isDebugEnabled()) {
      _log.debug("Content type " + contentType);
    }

    UploadServletRequest uploadServletRequest = null;

    try {
      if ((contentType != null) && contentType.startsWith(ContentTypes.MULTIPART_FORM_DATA)) {

        LiferayPortletConfig liferayPortletConfig =
            (LiferayPortletConfig) invokerPortlet.getPortletConfig();

        if (invokerPortlet.isStrutsPortlet()
            || liferayPortletConfig.isCopyRequestParameters()
            || !liferayPortletConfig.isWARFile()) {

          uploadServletRequest = PortalUtil.getUploadServletRequest(request);

          request = uploadServletRequest;
        }
      }

      ActionRequestImpl actionRequestImpl =
          ActionRequestFactory.create(
              request,
              portlet,
              invokerPortlet,
              portletContext,
              windowState,
              portletMode,
              portletPreferences,
              layout.getPlid());

      User user = PortalUtil.getUser(request);

      ActionResponseImpl actionResponseImpl =
          ActionResponseFactory.create(
              actionRequestImpl,
              response,
              portlet.getPortletId(),
              user,
              layout,
              windowState,
              portletMode);

      actionRequestImpl.defineObjects(portletConfig, actionResponseImpl);

      ServiceContext serviceContext = ServiceContextFactory.getInstance(actionRequestImpl);

      ServiceContextThreadLocal.pushServiceContext(serviceContext);

      invokerPortlet.processAction(actionRequestImpl, actionResponseImpl);

      actionResponseImpl.transferHeaders(response);

      RenderParametersPool.put(
          request,
          layout.getPlid(),
          portlet.getPortletId(),
          actionResponseImpl.getRenderParameterMap());

      List<Event> events = actionResponseImpl.getEvents();

      String redirectLocation = actionResponseImpl.getRedirectLocation();

      if (Validator.isNull(redirectLocation) && portlet.isActionURLRedirect()) {

        PortletURL portletURL =
            new PortletURLImpl(
                actionRequestImpl,
                actionRequestImpl.getPortletName(),
                layout.getPlid(),
                PortletRequest.RENDER_PHASE);

        Map<String, String[]> renderParameters = actionResponseImpl.getRenderParameterMap();

        for (Map.Entry<String, String[]> entry : renderParameters.entrySet()) {

          String key = entry.getKey();
          String[] value = entry.getValue();

          portletURL.setParameter(key, value);
        }

        redirectLocation = portletURL.toString();
      }

      return new ActionResult(events, redirectLocation);
    } finally {
      if (uploadServletRequest != null) {
        uploadServletRequest.cleanUp();
      }

      ServiceContextThreadLocal.popServiceContext();
    }
  }