Example #1
0
    protected void Page_Load(object sender, EventArgs e)
    {
        DebugHelper.SetContext("GetFile");

        // Load the site name
        LoadSiteName();

        // Check the site
        if (CurrentSiteName == "")
        {
            throw new Exception("[GetFile.aspx]: Site not running.");
        }

        // Validate the culture
        PreferredCultureOnDemand culture = new PreferredCultureOnDemand();

        URLRewriter.ValidateCulture(CurrentSiteName, culture, null);

        // Set campaign
        if (IsLiveSite)
        {
            // Store campaign name if present
            string campaign = AnalyticsHelper.CurrentCampaign(CurrentSiteName);
            if (!String.IsNullOrEmpty(campaign))
            {
                PageInfo pi = CMSContext.CurrentPageInfo;

                // Log campaign
                if ((pi != null) && AnalyticsHelper.IsLoggingEnabled(CurrentSiteName, pi.NodeAliasPath) && AnalyticsHelper.SetCampaign(campaign, CurrentSiteName, pi.NodeAliasPath))
                {
                    CMSContext.Campaign = campaign;
                }
            }
        }

        int cacheMinutes = CacheMinutes;

        // Try to get data from cache
        using (CachedSection <CMSOutputFile> cs = new CachedSection <CMSOutputFile>(ref outputFile, cacheMinutes, true, null, "getfile", CurrentSiteName, CacheHelper.BaseCacheKey, Request.QueryString))
        {
            if (cs.LoadData)
            {
                // Store current value and temporarly disable caching
                bool cached = cs.Cached;
                cs.Cached = false;

                // Process the file
                ProcessAttachment();

                // Restore cache settings - data were loaded
                cs.Cached = cached;

                if (cs.Cached)
                {
                    // Do not cache if too big file which would be stored in memory
                    if ((outputFile != null) &&
                        (outputFile.Attachment != null) &&
                        !CacheHelper.CacheImageAllowed(CurrentSiteName, outputFile.Attachment.AttachmentSize) &&
                        !AttachmentManager.StoreFilesInFileSystem(CurrentSiteName))
                    {
                        cacheMinutes = largeFilesCacheMinutes;
                    }

                    if (cacheMinutes > 0)
                    {
                        // Prepare the cache dependency
                        CacheDependency cd = null;
                        if (outputFile != null)
                        {
                            string[] dependencies = new string[] {
                                "node|" + CurrentSiteName.ToLower() + "|" + outputFile.AliasPath.ToLower(),
                                ""
                            };

                            // Do not cache if too big file which would be stored in memory
                            if (outputFile.Attachment != null)
                            {
                                if (!CacheHelper.CacheImageAllowed(CurrentSiteName, outputFile.Attachment.AttachmentSize) && !AttachmentManager.StoreFilesInFileSystem(CurrentSiteName))
                                {
                                    cacheMinutes = largeFilesCacheMinutes;
                                }

                                dependencies[1] = "attachment|" + outputFile.Attachment.AttachmentGUID.ToString().ToLower();
                            }

                            cd = CacheHelper.GetCacheDependency(dependencies);
                        }

                        if (cd == null)
                        {
                            // Set default dependency
                            if (guid != Guid.Empty)
                            {
                                // By attachment GUID
                                cd = CacheHelper.GetCacheDependency(new string[] { "attachment|" + guid.ToString().ToLower() });
                            }
                            else if (nodeGuid != Guid.Empty)
                            {
                                // By node GUID
                                cd = CacheHelper.GetCacheDependency(new string[] { "nodeguid|" + CurrentSiteName.ToLower() + "|" + nodeGuid.ToString().ToLower() });
                            }
                            else if (aliasPath != null)
                            {
                                // By node alias path
                                cd = CacheHelper.GetCacheDependency(new string[] { "node|" + CurrentSiteName.ToLower() + "|" + aliasPath.ToLower() });
                            }
                        }

                        cs.CacheDependency = cd;
                    }

                    // Cache the data
                    cs.CacheMinutes = cacheMinutes;
                    cs.Data         = outputFile;
                }
            }
        }

        // Do not cache images in the browser if cache is not allowed
        if (LatestVersion)
        {
            useClientCache = false;
        }

        // Send the data
        SendFile(outputFile);

        DebugHelper.ReleaseContext();
    }
Example #2
0
    protected void Page_Load(object sender, EventArgs e)
    {
        DebugHelper.SetContext("GetFile");

        // Load the site name
        LoadSiteName();

        // Check the site
        if (CurrentSiteName == "")
        {
            throw new Exception("[GetFile.aspx]: Site not running.");
        }

        // Validate the culture
        PreferredCultureOnDemand culture = new PreferredCultureOnDemand();
        URLRewriter.ValidateCulture(CurrentSiteName, culture, null);

        // Set campaign
        if (IsLiveSite)
        {
            // Store campaign name if present
            string campaign = AnalyticsHelper.CurrentCampaign(CurrentSiteName);
            if (!String.IsNullOrEmpty(campaign))
            {
                PageInfo pi = CMSContext.CurrentPageInfo;

                // Log campaign
                if ((pi != null) && AnalyticsHelper.IsLoggingEnabled(CurrentSiteName, pi.NodeAliasPath) && AnalyticsHelper.SetCampaign(campaign, CurrentSiteName, pi.NodeAliasPath))
                {
                    CMSContext.Campaign = campaign;
                }
            }
        }

        int cacheMinutes = CacheMinutes;

        // Try to get data from cache
        using (CachedSection<CMSOutputFile> cs = new CachedSection<CMSOutputFile>(ref outputFile, cacheMinutes, true, null, "getfile", CurrentSiteName, CacheHelper.BaseCacheKey, Request.QueryString))
        {
            if (cs.LoadData)
            {
                // Store current value and temporarly disable caching
                bool cached = cs.Cached;
                cs.Cached = false;

                // Process the file
                ProcessAttachment();

                // Restore cache settings - data were loaded
                cs.Cached = cached;

                if (cs.Cached)
                {
                    // Do not cache if too big file which would be stored in memory
                    if ((outputFile != null) &&
                        (outputFile.Attachment != null) &&
                        !CacheHelper.CacheImageAllowed(CurrentSiteName, outputFile.Attachment.AttachmentSize) &&
                        !AttachmentManager.StoreFilesInFileSystem(CurrentSiteName))
                    {
                        cacheMinutes = largeFilesCacheMinutes;
                    }

                    if (cacheMinutes > 0)
                    {
                        // Prepare the cache dependency
                        CacheDependency cd = null;
                        if (outputFile != null)
                        {
                            string[] dependencies = new string[] {
                            "node|" + CurrentSiteName.ToLower() + "|" + outputFile.AliasPath.ToLower(),
                            ""
                        };

                            // Do not cache if too big file which would be stored in memory
                            if (outputFile.Attachment != null)
                            {
                                if (!CacheHelper.CacheImageAllowed(CurrentSiteName, outputFile.Attachment.AttachmentSize) && !AttachmentManager.StoreFilesInFileSystem(CurrentSiteName))
                                {
                                    cacheMinutes = largeFilesCacheMinutes;
                                }

                                dependencies[1] = "attachment|" + outputFile.Attachment.AttachmentGUID.ToString().ToLower();
                            }

                            cd = CacheHelper.GetCacheDependency(dependencies);
                        }

                        if (cd == null)
                        {
                            // Set default dependency
                            if (guid != Guid.Empty)
                            {
                                // By attachment GUID
                                cd = CacheHelper.GetCacheDependency(new string[] { "attachment|" + guid.ToString().ToLower() });
                            }
                            else if (nodeGuid != Guid.Empty)
                            {
                                // By node GUID
                                cd = CacheHelper.GetCacheDependency(new string[] { "nodeguid|" + CurrentSiteName.ToLower() + "|" + nodeGuid.ToString().ToLower() });
                            }
                            else if (aliasPath != null)
                            {
                                // By node alias path
                                cd = CacheHelper.GetCacheDependency(new string[] { "node|" + CurrentSiteName.ToLower() + "|" + aliasPath.ToLower() });
                            }
                        }

                        cs.CacheDependency = cd;
                    }

                    // Cache the data
                    cs.CacheMinutes = cacheMinutes;
                    cs.Data = outputFile;
                }
            }
        }

        // Do not cache images in the browser if cache is not allowed
        if (LatestVersion)
        {
            useClientCache = false;
        }

        // Send the data
        SendFile(outputFile);

        DebugHelper.ReleaseContext();
    }