*

* Part of the InfoGlue Content Management Platform (www.infoglue.org)

*

* ===============================================================================

*

*  Copyright (C)

*

* This program is free software; you can redistribute it and/or modify it under

* the terms of the GNU General Public License version 2, as published by the

* Free Software Foundation. See the file LICENSE.html for more information.

*

* This program is distributed in the hope that it will be useful, but WITHOUT

* ANY WARRANTY, including the implied warranty of MERCHANTABILITY or FITNESS

* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License along with

* this program; if not, write to the Free Software Foundation, Inc. / 59 Temple

* Place, Suite 330 / Boston, MA 02111-1307 / USA.

*

* ===============================================================================

*/

* This is the main delivery action. Gets called when the user clicks on a link that goes inside the site.

*

* @author Mattias Bogeblad

*/

  private static final long serialVersionUID = 1L;

    public final static Logger logger = Logger.getLogger(ViewPageAction.class.getName());

  private static final SimpleDateFormat HTTP_DATE_FORMAT = new SimpleDateFormat( "EEE, dd MMM yyyy HH:mm:ss z", Locale.ENGLISH );

  //These are the standard parameters which uniquely defines which page to show.

  private Integer siteNodeId = null;

  private Integer contentId  = null;

  private Integer languageId = null;

  private Integer repositoryId = null;

 

  private boolean showSimple = false;

 

  //This parameter are set if you want to access a certain repository startpage

  private String repositoryName = null;

 

  //A cached nodeDeliveryController

  protected NodeDeliveryController nodeDeliveryController          = null;

  protected IntegrationDeliveryController integrationDeliveryController   = null;

  protected TemplateController templateController             = null;

   

  private static final boolean USE_LANGUAGE_FALLBACK              = true;

  private static final boolean DO_NOT_USE_LANGUAGE_FALLBACK       = false;

 

  //The browserbean

  private BrowserBean browserBean = null;

  private Principal principal = null;

   

  //A possibility to set the referer address

  private String referer = null;

  private boolean isRecacheCall = false;

 

  //For statistics only and debug

  public static long contentVersionTime = 0;

  public static long serviceBindingTime = 0;

  public static long contentAttributeTime = 0;

  public static long boundContentTime = 0;

  public static long inheritedServiceBindingTime = 0;

  public static long selectMatchingEntitiesTime = 0;

  public static long isValidTime = 0;

  public static long qualifyersTime = 0;

  public static long sortQualifyersTime = 0;

  public static long commitTime = 0;

  public static long rollbackTime = 0;

  public static long closeTime = 0;

  public static long lastRequestProcessingTime = 0;

  private static Thread lastThread = null;

  private static boolean memoryWarningSent = false;

 

  private static Random random = new Random();

 

  /**

   * The constructor for this action - contains nothing right now.

   */

   

    public ViewPageAction()

    {

    }

   

    /**

     * This method is the application entry-point. The parameters has been set through the setters

     * and now we just have to render the appropriate output.

     */

        

    public String doExecute() throws Exception

    {

      Timer pageTimer = new Timer();

     

        if(isRecacheCall)

        {

          //logger.warn("ThreadId:" + Thread.currentThread().getName());

            Thread.currentThread().setPriority(Thread.MIN_PRIORITY);

        }

                           

        //TODO - Can this be removed perhaps

        while(CmsPropertyHandler.getActuallyBlockOnBlockRequests() && RequestAnalyser.getRequestAnalyser().getBlockRequests())

        {

          //logger.info("Queing up requests as cache eviction are taking place..");

          Thread.sleep(10);

        }

       

        try

        {

          Integer maxActiveRequests = new Integer(CmsPropertyHandler.getMaxActiveRequests());

          Integer maxRequestTime = new Integer(CmsPropertyHandler.getMaxRequestTime());

          //logger.info("maxActiveRequests:" + maxActiveRequests + "-" + maxRequestTime);

        while(CmsPropertyHandler.getUseHighLoadLimiter().equalsIgnoreCase("true") && RequestAnalyser.getRequestAnalyser().getNumberOfActiveRequests() > maxActiveRequests.intValue() && (lastRequestProcessingTime > maxRequestTime.intValue() || maxRequestTime.intValue() < 1))

        {

            if(logger.isInfoEnabled())

              logger.info("Queing up...:" + RequestAnalyser.getRequestAnalyser().getNumberOfActiveRequests() + "(" + RequestAnalyser.getRequestAnalyser().getNumberOfCurrentRequests() + ") - " + lastRequestProcessingTime);

           

              int sleepTime = random.nextInt(300);

              //logger.info("Queing up...:" + RequestAnalyser.getRequestAnalyser().getNumberOfActiveRequests() + "(" + RequestAnalyser.getRequestAnalyser().getNumberOfCurrentRequests() + ") - " + lastRequestProcessingTime + " for " + sleepTime + " ms");

             

            Thread.sleep(sleepTime);

        }

        }

        catch(Exception e)

        {

          logger.error("You have faulty settings in either maxActiveRequests or maxRequestTime - fix this as it affects performance:" + e.getMessage(), e);

        }

       

        if(logger.isInfoEnabled())

        {

          logger.info("************************************************");

        logger.info("* ViewPageAction was called....                *");

        logger.info("************************************************");

        }

       

        HttpServletRequest request = getRequest();

        ThreadMonitor tk = null;

      if(!CmsPropertyHandler.getOperatingMode().equals("3"))

        tk = new ThreadMonitor(new Long(CmsPropertyHandler.getDeliverRequestTimeout()).longValue(), request, "Page view took to long!", true);

      else

      {

        if(!CmsPropertyHandler.getKillLiveRequestWhichTimedout())

          tk = new ThreadMonitor(new Long(CmsPropertyHandler.getLiveDeliverRequestTimeout()).longValue(), request, "Page view seems to take to long!", false);

        else

          tk = new ThreadMonitor(new Long(CmsPropertyHandler.getLiveDeliverRequestTimeout()).longValue(), request, "Page view took to long!", true);

      }

     

      RequestAnalyser.getRequestAnalyser().incNumberOfCurrentRequests(tk);

      long start       = System.currentTimeMillis();

      long elapsedTime   = 0;

      float startTotalMemory   = ((float)Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory());

           

      DatabaseWrapper dbWrapper = new DatabaseWrapper(CastorDatabaseService.getDatabase());

     

    beginTransaction(dbWrapper.getDatabase());

       try

    {

      validateAndModifyInputParameters(dbWrapper.getDatabase());

        this.nodeDeliveryController      = NodeDeliveryController.getNodeDeliveryController(this.siteNodeId, this.languageId, this.contentId);

      this.integrationDeliveryController  = IntegrationDeliveryController.getIntegrationDeliveryController(this.siteNodeId, this.languageId, this.contentId);

             

        boolean isUserRedirected = false;

      Integer protectedSiteNodeVersionId = this.nodeDeliveryController.getProtectedSiteNodeVersionIdForPageCache(dbWrapper.getDatabase(), siteNodeId);

      logger.info("protectedSiteNodeVersionId:" + protectedSiteNodeVersionId);

      Integer forceProtocolChangeSetting = this.nodeDeliveryController.getForceProtocolChangeSettingForPageCache(dbWrapper.getDatabase(), siteNodeId);

      //System.out.println("forceProtocolChangeSetting:" + forceProtocolChangeSetting);

     

      if(logger.isInfoEnabled())

        logger.info("protectedSiteNodeVersionId:" + protectedSiteNodeVersionId);

     

      String protectWorking = CmsPropertyHandler.getProtectDeliverWorking();

      String protectPreview = CmsPropertyHandler.getProtectDeliverPreview();

      boolean protectDeliver = false;

      if(protectWorking.equals("true") && CmsPropertyHandler.getOperatingMode().equals("0"))

        protectDeliver = true;

      else if(protectPreview.equals("true") && CmsPropertyHandler.getOperatingMode().equals("2"))

        protectDeliver = true;

      isUserRedirected = handleAccessBasedProtocolRedirect(protectedSiteNodeVersionId, this.repositoryId, forceProtocolChangeSetting, dbWrapper.getDatabase());

      if(!isUserRedirected)

      {

        if(getRequest().getParameter("authenticateUser") != null && getRequest().getParameter("authenticateUser").equals("true"))

        {

          isUserRedirected = authenticateUser(dbWrapper.getDatabase());

        }

      }

      if(!isUserRedirected)

      {

        if(logger.isInfoEnabled())

          logger.info("RemoteAddress:" + getRequest().getRemoteAddr());

       

        if(CmsPropertyHandler.getAllowInternalCallsBasedOnIP())

        {

          if(getRequest().getRemoteAddr().equals("127.0.0.1") || getRequest().getRemoteAddr().equals("192.168.0.1") || getRequest().getRemoteAddr().equals("0:0:0:0:0:0:0:1%0"))

            protectDeliver = false;

        }

       

        boolean isAnonymousAuthorized = true;

        logger.info("protectedSiteNodeVersionId:" +protectedSiteNodeVersionId);

        if(protectedSiteNodeVersionId != null)

        {

          SiteNodeVersionVO siteNodeVersionVO = SiteNodeVersionController.getController().getSiteNodeVersionVOWithId(protectedSiteNodeVersionId, dbWrapper.getDatabase());

          if(siteNodeVersionVO.getIsProtected().intValue() == SiteNodeVersionVO.YES_WITH_INHERIT_FALLBACK.intValue())

            isAnonymousAuthorized = AccessRightController.getController().getIsPrincipalAuthorized(dbWrapper.getDatabase(), (InfoGluePrincipal)this.getAnonymousPrincipal(), "SiteNodeVersion.Read", protectedSiteNodeVersionId.toString(), false);

          else

            isAnonymousAuthorized = AccessRightController.getController().getIsPrincipalAuthorized(dbWrapper.getDatabase(), (InfoGluePrincipal)this.getAnonymousPrincipal(), "SiteNodeVersion.Read", protectedSiteNodeVersionId.toString());

        }

        logger.info("isAnonymousAuthorized:" + isAnonymousAuthorized);

        logger.info("URI:" + getOriginalFullURL());

        if((protectedSiteNodeVersionId != null && !isAnonymousAuthorized) || protectDeliver || getOriginalFullURL().indexOf("ticket=") > -1)

        {

          logger.info("Plain login routine which among others looks for ticket....");

          if(logger.isInfoEnabled())

          {

            logger.info("protectedSiteNodeVersionId:" + protectedSiteNodeVersionId);

            logger.info("protectDeliver:" + protectDeliver);

          }

          isUserRedirected = handleExtranetLogic(dbWrapper.getDatabase(), this.repositoryId, protectedSiteNodeVersionId, protectDeliver, false);

        }

        else

        {

          String forceIdentityCheck = RepositoryDeliveryController.getRepositoryDeliveryController().getExtraPropertyValue(this.repositoryId, "forceIdentityCheck");

          if(logger.isInfoEnabled())

            logger.info("forceIdentityCheck:" + forceIdentityCheck);

          if(this.principal == null || CmsPropertyHandler.getAnonymousUser().equalsIgnoreCase(this.principal.getName()))

          {

            if(CmsPropertyHandler.getForceIdentityCheck().equalsIgnoreCase("true") || (forceIdentityCheck != null && forceIdentityCheck.equalsIgnoreCase("true")))

            {

              boolean isForcedIdentityCheckDisabled = this.nodeDeliveryController.getIsForcedIdentityCheckDisabled(dbWrapper.getDatabase(), this.siteNodeId);

              if(!isForcedIdentityCheckDisabled && getHttpSession().getAttribute("ssoChecked") == null && (getRequest().getParameter("skipSSOCheck") == null || !getRequest().getParameter("skipSSOCheck").equals("true")))

              {

                Timer t = new Timer();

                logger.info("Let's check for IP:s and user agents to skip redirect for...");

                String userAgentsRegexp = CmsPropertyHandler.getUserAgentsSkippingSSOCheck();

                String ipAddressesRegexp = CmsPropertyHandler.getIpNumbersSkippingSSOCheck();

               

                logger.info("userAgentsRegexp:" + userAgentsRegexp);

                if(userAgentsRegexp != null && !userAgentsRegexp.equals("") && getBrowserBean() != null && getBrowserBean().getUseragent() != null)

                {

                  if(getBrowserBean().getUseragent().matches(userAgentsRegexp))

                    {

                    logger.info("Skipping SSO check for this useragent: " + getBrowserBean().getUseragent());

                    isForcedIdentityCheckDisabled = true;

                    }

                }

               

                logger.info("isForcedIdentityCheckDisabled:" + isForcedIdentityCheckDisabled);

                if(!isForcedIdentityCheckDisabled)

                {

                  logger.info("ipAddressesRegexp:" + ipAddressesRegexp);

                  if(ipAddressesRegexp != null && !ipAddressesRegexp.equals("") && getRequest().getRemoteAddr() != null)

                  {

                    logger.info("IP:" + getRequest().getRemoteAddr());

                    if(getRequest().getRemoteAddr().matches(ipAddressesRegexp))

                      {

                      logger.info("Skipping SSO check for this ip address: " + getRequest().getRemoteAddr());

                      isForcedIdentityCheckDisabled = true;

                      }

                  }

                }

                if(logger.isInfoEnabled())

                  logger.info("Checking ip and useragent took: " + t.getElapsedTime());

              }

              if(logger.isInfoEnabled())

              {

                logger.info("isForcedIdentityCheckDisabled:" + isForcedIdentityCheckDisabled);

                logger.info("isForcedIdentityCheckDisabled:" + isForcedIdentityCheckDisabled);

                logger.info("getHttpSession().getAttribute(ssoChecked):" + getHttpSession().getAttribute("ssoChecked"));

                logger.info("getRequest().getParameter(skipSSOCheck):" + getRequest().getParameter("skipSSOCheck"));

              }

              if(!isForcedIdentityCheckDisabled && getHttpSession().getAttribute("ssoChecked") == null && (getRequest().getParameter("skipSSOCheck") == null || !getRequest().getParameter("skipSSOCheck").equals("true")))

              {

                isUserRedirected = handleExtranetLogic(dbWrapper.getDatabase(), true);

                logger.info("isUserRedirected:" + isUserRedirected);

              }

              else if(!isForcedIdentityCheckDisabled && getRequest().getParameter("skipSSOCheck") != null && getRequest().getParameter("skipSSOCheck").equals("true"))

              {

                getHttpSession().setAttribute("ssoChecked", "true");

              }

            }

          }

        }

      }

           

      logger.info("isUserRedirected:" + isUserRedirected);

      logger.info("principal:" + this.principal);

      if(!isUserRedirected)

        isUserRedirected = rewriteUrl();

     

      String pageKey = this.nodeDeliveryController.getPageCacheKey(dbWrapper.getDatabase(), this.getHttpSession(), getRequest(), this.siteNodeId, this.languageId, this.contentId, browserBean.getUseragent(), this.getRequest().getQueryString(), "");

        if(logger.isInfoEnabled())

          logger.info("pageKey:" + pageKey);

        templateController = getTemplateController(dbWrapper, getSiteNodeId(), getLanguageId(), getContentId(), getRequest(), (InfoGluePrincipal)this.principal, false);

      if(logger.isInfoEnabled())

        logger.info("handled extranet users: " + isUserRedirected);

 

      // ----

      // -- portlet

      // ----

     

      // -- check if the portal is active

          String portalEnabled = CmsPropertyHandler.getEnablePortal();

          boolean portalActive = ((portalEnabled != null) && portalEnabled.equals("true"));

     

          if (portalActive && !isRecacheCall)

          {

            if(logger.isInfoEnabled())

              logger.info("---> Checking for portlet action");

             

            PortalService service = new PortalService();

              //TODO: catch PortalException?

              boolean actionExecuted = service.service(getRequest(), getResponse());

             

              // -- if an action was executed return NONE as a redirect is issued

              if (actionExecuted)

              {

                if(logger.isInfoEnabled())

                  logger.info("---> PortletAction was executed, returning NONE as a redirect has been issued");

                  isUserRedirected = true;

                  return NONE;

              }

          }

 

          if(logger.isInfoEnabled())

            logger.info("handled portal action: " + isUserRedirected);

         

      if(!isUserRedirected)

      { 

        if(logger.isInfoEnabled())

          logger.info("this.templateController.getPrincipal():" + templateController.getPrincipal());

       

        DeliveryContext deliveryContext = DeliveryContext.getDeliveryContext(true);

        deliveryContext.setRepositoryName(this.repositoryName);

        deliveryContext.setSiteNodeId(this.siteNodeId);

        deliveryContext.setContentId(this.contentId);

        deliveryContext.setLanguageId(this.languageId);

        deliveryContext.setPageKey(pageKey);

        //deliveryContext.setSession(this.getSession());

        //deliveryContext.setInfoGlueAbstractAction(this);

        deliveryContext.setHttpServletRequest(this.getRequest());

        deliveryContext.setHttpServletResponse(this.getResponse());

        deliveryContext.setUseFullUrl(Boolean.parseBoolean(CmsPropertyHandler.getUseDNSNameInURI()));

        boolean enableIfModifiedHeaders = CmsPropertyHandler.getEnableIfModifiedHeaders();

       

        boolean skipRender = false;

        PageDeliveryMetaDataVO pdmd = null;

        if (enableIfModifiedHeaders) {

          try

          {

            boolean isIfModifiedLogic = getIsIfModifiedLogicValid(deliveryContext, templateController.getPrincipal(), true);

            logger.info("enableIfModifiedHeaders state is:" + enableIfModifiedHeaders);

            if(isIfModifiedLogic)

            {

              String ifModifiedSince = this.getRequest().getHeader("If-Modified-Since");

              logger.info("ifModifiedSince:" + ifModifiedSince);

              //System.out.println("pageKey:" + pageKey);

              if(ifModifiedSince != null && !ifModifiedSince.equals(""))

              {

                pdmd = PageDeliveryMetaDataController.getController().getPageDeliveryMetaDataVO(dbWrapper.getDatabase(), this.siteNodeId, this.languageId, this.contentId);

                logger.info("pdmd A:" + (pdmd == null ? "null" : pdmd.getId()));

                if(pdmd != null && pdmd.getLastModifiedDateTime() != null)

                {

                  logger.info("pdmd getLastModifiedTimeout:" + pdmd.getLastModifiedTimeout());

                  logger.info("System.currentTimeMillis:" + System.currentTimeMillis());

                  long diff = System.currentTimeMillis() - (pdmd.getLastModifiedTimeout() != null ? pdmd.getLastModifiedTimeout().getTime() : 0);

                  logger.info("diff:" + diff);

                  if(diff < 0 || pdmd.getLastModifiedTimeout() == null)

                  {

                    Date ifModifiedSinceDate = HTTP_DATE_FORMAT.parse( ifModifiedSince );

                    logger.info("pdmd B:" + pdmd.getId() + ":" + pdmd.getLastModifiedDateTime());

                    logger.info("*************\nCompares:" + pdmd.getLastModifiedDateTime() + "=" + ifModifiedSinceDate);

                    logger.info("pdmd.getLastModifiedTimeout():" + pdmd.getLastModifiedTimeout());

                    if(ifModifiedSinceDate.getTime() >= pdmd.getLastModifiedDateTime().getTime() - 1000)

                    {

                      logger.info("Returning NOT_MODIFIED");

                      this.getResponse().setStatus( HttpServletResponse.SC_NOT_MODIFIED );

                      pageTimer.printElapsedTime("Delivered NOT MODIFIED IN", 50);

                      skipRender = true;

                      return NONE;

                    }

                  }

                }

              }

            }

          }

          catch (Exception e)

          {

            e.printStackTrace();

          }

        }

       

        logger.info("skipRender:" + skipRender);

        if(!skipRender)

        {

          SiteNodeTypeDefinitionVO siteNodeTypeDefinitionVO = getSiteNodeTypeDefinition(this.siteNodeId, dbWrapper.getDatabase());

             

          try

            {

                String invokerClassName = siteNodeTypeDefinitionVO.getInvokerClassName();

                PageInvoker pageInvoker = (PageInvoker)Class.forName(invokerClassName).newInstance();

                pageInvoker.setParameters(dbWrapper, this.getRequest(), this.getResponse(), templateController, deliveryContext);

                pageInvoker.deliverPage();

 

                boolean isCachedResponse = deliveryContext.getIsCachedResponse();

                logger.info("isCachedResponse:" + isCachedResponse);

               

            boolean isIfModifiedLogic = getIsIfModifiedLogicValid(deliveryContext, templateController.getPrincipal(), false);

            logger.info("isIfModifiedLogic 2:" + isIfModifiedLogic);

            logger.info("deliveryContext.getLastModifiedDateTime():" + deliveryContext.getLastModifiedDateTime());

           

            /*Fetching meta info data*/

            if(isCachedResponse && pdmd == null && isIfModifiedLogic && enableIfModifiedHeaders) {

              logger.info("enableIfModifiedHeaders state is:" + enableIfModifiedHeaders);

              pdmd = PageDeliveryMetaDataController.getController().getPageDeliveryMetaDataVO(dbWrapper.getDatabase(), this.siteNodeId, this.languageId, this.contentId);

            }

           

            if(pdmd != null)

              logger.info("pdmd():" + pdmd.getLastModifiedDateTime());

            if(isIfModifiedLogic && (!isCachedResponse || pdmd == null/* || deliveryContext.getLastModifiedDateTime().after(pdmd.getLastModifiedDateTime())*/))

            {

              Timer t2 = new Timer();

              logger.info("We should register the last modified date now. Add it to the thread which registers it: " + deliveryContext.getLastModifiedDateTime() + ":" + deliveryContext.hashCode());

              try

              {

                PageDeliveryMetaDataVO pageDeliveryMetaDataVO = new PageDeliveryMetaDataVO();

                List<String> entities = deliveryContext.getAllUsedEntitiesAsSet();

               

                List<String> allUsedEntitiesFilteredCopy = new ArrayList<String>();

                for(String s : entities)

                {

                  if(s.startsWith("content_") && s.indexOf("_", 8) == -1)

                  {

                    allUsedEntitiesFilteredCopy.add(s.replaceAll("content_", "c_"));

                    //allUsedEntitiesFilteredCopy.add(s); //getPooledString(s.hashCode()));

                    //System.out.println("Added: " + s);

                  }