コード例 #1
0
    protected void Page_Load(object sender, EventArgs e)
    {
        // Get event NodeID from querystring
        int eventNodeId = QueryHelper.GetInteger("eventid", 0);
        int timeZoneId  = QueryHelper.GetInteger("timezoneid", 0);

        if (eventNodeId != 0)
        {
            TreeProvider mTree     = new TreeProvider();
            TreeNode     eventInfo = mTree.SelectSingleNode(eventNodeId);

            if (eventInfo != null && eventInfo.NodeClassName.Equals("cms.bookingevent", StringComparison.InvariantCultureIgnoreCase))
            {
                // Get file content.
                byte[] fileContent = GetContent(eventInfo, timeZoneId);

                if (fileContent != null)
                {
                    // Clear response.
                    CookieHelper.ClearResponseCookies();
                    Response.Clear();

                    // Prepare response.
                    Response.ContentType = "text/calendar";
                    // Disposition type - For files "attachment" is default
                    Response.AddHeader("Content-Disposition", "attachment;filename=Reminder.ics");

                    Response.OutputStream.Write(fileContent, 0, fileContent.Length);

                    //RequestHelper.CompleteRequest();
                    RequestHelper.EndResponse();
                }
            }
        }
    }
コード例 #2
0
ファイル: GetCSS.aspx.cs プロジェクト: SMEWebmaster/Kentico16
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile(CMSOutputResource file)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);

        // Send the file
        if ((file != null) && (file.Data != null))
        {
            // Prepare response
            Response.ContentType = "text/css";

            // Client caching - only on the live site
            if (useClientCache && AllowCache && CacheHelper.CacheImageEnabled(CurrentSiteName) && ETagsMatch(file.Etag, file.LastModified))
            {
                RespondNotModified(file.Etag);
                return;
            }

            if (useClientCache && AllowCache && CacheHelper.CacheImageEnabled(CurrentSiteName))
            {
                SetTimeStamps(file.LastModified);

                Response.Cache.SetETag(file.Etag);
            }

            // Add the file data
            Response.Write(file.Data);
        }

        CompleteRequest();
    }
コード例 #3
0
    protected void Page_Load(object sender, EventArgs e)
    {
        // Check 'ReadData' permission
        if (CurrentUser != null && CurrentUser.IsAuthorizedPerResource("cms.form", "ReadData"))
        {
            // Get file name from querystring
            string fileName = QueryHelper.GetString("filename", String.Empty);
            string siteName = QueryHelper.GetString("sitename", CurrentSiteName);

            if ((ValidationHelper.IsFileName(fileName)) && (siteName != null))
            {
                // Get physical path to the file
                string filePath = FormHelper.GetFilePhysicalPath(siteName, fileName);

                if (File.Exists(filePath))
                {
                    // Clear response
                    CookieHelper.ClearResponseCookies();
                    Response.Clear();

                    // Prepare response
                    string extension = Path.GetExtension(filePath);
                    Response.ContentType = MimeTypeHelper.GetMimetype(extension);

                    // Set the file disposition
                    SetDisposition(fileName, extension);

                    // Get file binary from file system
                    WriteFile(filePath);

                    CompleteRequest();
                }
            }
        }
    }
コード例 #4
0
    /// <summary>
    /// Sends the graph.
    /// </summary>
    /// <param name="mimeType">Response mime type</param>
    /// <param name="graph">Raw data to be sent</param>
    protected void SendGraph(string mimeType, byte[] graph)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        Response.Cache.SetCacheability(HttpCacheability.NoCache);

        // Prepare response
        Response.ContentType = mimeType;
        Response.OutputStream.Write(graph, 0, graph.Length);

        //RequestHelper.CompleteRequest();
        RequestHelper.EndResponse();
    }
コード例 #5
0
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile()
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);

        if (tfi != null)
        {
            // Prepare etag
            string etag = "\"" + tfi.FileID + "\"";

            // Setup the mime type - Fix the special types
            string mimetype  = tfi.FileMimeType;
            string extension = tfi.FileExtension;
            switch (extension.ToLowerCSafe())
            {
            case ".flv":
                mimetype = "video/x-flv";
                break;
            }

            // Prepare response
            Response.ContentType = mimetype;
            SetDisposition(tfi.FileNumber.ToString(), extension);

            // Setup Etag property
            ETag = etag;

            // Set if resumable downloads should be supported
            AcceptRange = !IsExtensionExcludedFromRanges(extension);

            // Add the file data
            tfi.Generalized.EnsureBinaryData();
            WriteBytes(tfi.FileBinary);
        }
        else
        {
            NotFound();
        }

        CompleteRequest();
    }
コード例 #6
0
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile(CMSOutputResource file)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);

        // Send the file
        if ((file != null) && (file.Data != null))
        {
            // Prepare response
            Response.ContentType = "text/css";

            // Client caching - only on the live site
            if (useClientCache && PortalContext.ViewMode.IsLiveSite() && (CacheHelper.CacheImageEnabled(CurrentSiteName)) && ETagsMatch(file.Etag, file.LastModified))
            {
                RespondNotModified(file.Etag, true);
                return;
            }

            if (useClientCache && PortalContext.ViewMode.IsLiveSite() && (CacheHelper.CacheImageEnabled(CurrentSiteName)))
            {
                DateTime expires = DateTime.Now;

                // Send last modified header to allow client caching
                Response.Cache.SetLastModified(file.LastModified);
                Response.Cache.SetCacheability(HttpCacheability.Public);
                if (DocumentBase.AllowClientCache())
                {
                    expires = DateTime.Now.AddMinutes(CacheHelper.CacheImageMinutes(CurrentSiteName));
                }

                Response.Cache.SetExpires(expires);
                Response.Cache.SetETag(file.Etag);
            }

            // Add the file data
            Response.Write(file.Data);
        }

        CompleteRequest();
    }
コード例 #7
0
    /// <summary>
    /// Sends response to client.
    /// </summary>
    /// <param name="message">If not empty then send error response with this message</param>
    private void SendResponse(string message)
    {
        // Clear response
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        // Create response data
        Response.ContentType = "application/x-www-form-urlencoded";

        if (String.IsNullOrEmpty(message))
        {
            Response.Write("<?xml version=\"1.0\" encoding=\"iso-8859-1\"?><response><error>0</error></response>");
        }
        else
        {
            Response.Write("<?xml version=\"1.0\" encoding=\"iso-8859-1\"?><response><error>1</error><message>" + message + "</message></response>");
        }

        // Complete response
        RequestHelper.EndResponse();
    }
コード例 #8
0
    protected void Page_Load(object sender, EventArgs e)
    {
        string hash = QueryHelper.GetString("hash", string.Empty);
        string path = QueryHelper.GetString("path", string.Empty);

        // Validate hash
        if (ValidationHelper.ValidateHash("?path=" + URLHelper.EscapeSpecialCharacters(path), hash, false))
        {
            if (path.StartsWithCSafe("~"))
            {
                path = Server.MapPath(path);
            }

            // Get file content from blob
            BlobInfo bi = new BlobInfo(path);

            // Check if blob exists
            if (BlobInfoProvider.BlobExists(bi))
            {
                // Clear response.
                CookieHelper.ClearResponseCookies();
                Response.Clear();

                // Set the revalidation
                SetRevalidation();

                string   etag         = bi.ETag;
                DateTime lastModified = ValidationHelper.GetDateTime(bi.GetMetadata(ContainerInfoProvider.LAST_WRITE_TIME), DateTimeHelper.ZERO_TIME);

                // Set correct response content type
                SetResponseContentType(path);

                // Client caching - only on the live site
                if (AllowCache && AllowClientCache && ETagsMatch(etag, lastModified))
                {
                    // Set the file time stamps to allow client caching
                    SetTimeStamps(lastModified);

                    RespondNotModified(etag);
                    return;
                }

                Stream stream = BlobInfoProvider.GetBlobContent(bi);
                SetDisposition(Path.GetFileName(path), Path.GetExtension(path));

                // Setup Etag property
                ETag = etag;

                if (AllowCache)
                {
                    // Set the file time stamps to allow client caching
                    SetTimeStamps(lastModified);
                    Response.Cache.SetETag(etag);
                }
                else
                {
                    SetCacheability();
                }

                // Send headers
                Response.Flush();

                Byte[] buffer    = new Byte[StorageHelper.BUFFER_SIZE];
                int    bytesRead = stream.Read(buffer, 0, StorageHelper.BUFFER_SIZE);

                // Copy data from blob stream to cache
                while (bytesRead > 0)
                {
                    // Write the data to the current output stream
                    Response.OutputStream.Write(buffer, 0, bytesRead);

                    // Flush the data to the output
                    Response.Flush();

                    // Read next part of data
                    bytesRead = stream.Read(buffer, 0, StorageHelper.BUFFER_SIZE);
                }

                stream.Close();
                CompleteRequest();
            }
            else
            {
                NotFound();
            }
        }
        else
        {
            URLHelper.Redirect(ResolveUrl("~/CMSMessages/Error.aspx?title=" + ResHelper.GetString("general.badhashtitle") + "&text=" + ResHelper.GetString("general.badhashtext")));
        }
    }
コード例 #9
0
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile(CMSOutputFile file)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        // Set the revalidation
        SetRevalidation();

        // Send the file
        if ((file != null) && file.IsValid)
        {
            // Redirect if the file should be redirected
            if (file.RedirectTo != "")
            {
                // Log hit or activity before redirecting
                LogEvent(file);

                if (StorageHelper.IsExternalStorage)
                {
                    string url = File.GetFileUrl(file.RedirectTo, CurrentSiteName);
                    if (!string.IsNullOrEmpty(url))
                    {
                        URLHelper.Redirect(url, true, CurrentSiteName);
                    }
                }

                URLHelper.Redirect(file.RedirectTo, true, CurrentSiteName);
            }

            // Check authentication if secured file
            if (file.IsSecured)
            {
                URLRewriter.CheckSecured(CurrentSiteName, ViewMode);
            }

            // Prepare etag
            string etag = file.CultureCode.ToLower();
            if (file.Attachment != null)
            {
                etag += "|" + file.Attachment.AttachmentGUID + "|" + file.Attachment.AttachmentLastModified.ToUniversalTime();
            }

            if (file.IsSecured)
            {
                // For secured files, add user name to etag
                etag += "|" + HttpContext.Current.User.Identity.Name;
            }

            // Put etag into ""
            etag = "\"" + etag + "\"";


            // Client caching - only on the live site
            if (useClientCache && AllowCache && AllowClientCache && ETagsMatch(etag, file.LastModified))
            {
                // Set the file time stamps to allow client caching
                SetTimeStamps(file);

                RespondNotModified(etag, !file.IsSecured);
                return;
            }

            // If physical file not present, try to load
            if (file.PhysicalFile == null)
            {
                EnsurePhysicalFile(outputFile);
            }

            // If the output data should be cached, return the output data
            bool cacheOutputData = false;
            if (file.Attachment != null)
            {
                // Cache data if allowed
                if (!LatestVersion && (CacheMinutes > 0))
                {
                    cacheOutputData = CacheHelper.CacheImageAllowed(CurrentSiteName, file.Attachment.AttachmentSize);
                }
            }

            // Ensure the file data if physical file not present
            if (!file.DataLoaded && (file.PhysicalFile == ""))
            {
                byte[] cachedData = GetCachedOutputData();
                if (file.EnsureData(cachedData))
                {
                    if ((cachedData == null) && cacheOutputData)
                    {
                        SaveOutputDataToCache(file.OutputData, GetOutputDataDependency(file.Attachment));
                    }
                }
            }

            // Send the file
            if ((file.OutputData != null) || (file.PhysicalFile != ""))
            {
                // Setup the mime type - Fix the special types
                string mimetype = file.MimeType;
                if (file.Attachment != null)
                {
                    string extension = file.Attachment.AttachmentExtension;
                    switch (extension.ToLower())
                    {
                    case ".flv":
                        mimetype = "video/x-flv";
                        break;
                    }

                    // Prepare response
                    Response.ContentType = mimetype;
                    SetDisposition(file.Attachment.AttachmentName, extension);

                    // Setup Etag property
                    ETag = etag;

                    // Set if resumable downloads should be supported
                    AcceptRange = !IsExtensionExcludedFromRanges(extension);
                }

                if (useClientCache && AllowCache)
                {
                    // Set the file time stamps to allow client caching
                    SetTimeStamps(file);

                    Response.Cache.SetETag(etag);
                }
                else
                {
                    SetCacheability();
                }

                // Log hit or activity
                LogEvent(file);
                // Add the file data
                if ((file.PhysicalFile != "") && (file.OutputData == null))
                {
                    // Stream the file from the file system
                    file.OutputData = WriteFile(file.PhysicalFile, cacheOutputData);
                }
                else
                {
                    // Use output data of the file in memory if present
                    WriteBytes(file.OutputData);
                }
            }
            else
            {
                NotFound();
            }
        }
        else
        {
            NotFound();
        }

        CompleteRequest();
    }
コード例 #10
0
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile(CMSOutputMediaFile file)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        // Set the revalidation
        SetRevalidation();

        // Send the file
        if (file != null)
        {
            #region "Security"

            // Check if user is allowed to see the library file content if required
            bool checkPermissions = SettingsKeyProvider.GetBoolValue(CMSContext.CurrentSiteName + ".CMSCheckMediaFilePermissions");
            if (checkPermissions)
            {
                // Check the library access for the current user and stop file processing if not allowed
                MediaLibraryInfo mli = MediaLibraryInfoProvider.GetMediaLibraryInfo(file.MediaFile.FileLibraryID);
                if (!MediaLibraryInfoProvider.IsUserAuthorizedPerLibrary(mli, "LibraryAccess"))
                {
                    URLHelper.Redirect(URLRewriter.AccessDeniedPageURL(CurrentSiteName));
                    return;
                }
            }

            #endregion

            // Prepare etag
            string etag = "";
            if (file.MediaFile != null)
            {
                etag += file.MediaFile.FileModifiedWhen.ToUniversalTime();
            }

            // Put etag into ""
            etag = String.Format("\"{0}\"", etag);

            // Client caching - only on the live site
            if (useClientCache && AllowCache && AllowClientCache && ETagsMatch(etag, file.LastModified))
            {
                // Set the file time stamps to allow client caching
                SetTimeStamps(file);

                RespondNotModified(etag, true);
                return;
            }

            // If physical file not present, try to load
            EnsurePhysicalFile(outputFile);

            // If the output data should be cached, return the output data
            bool cacheOutputData = false;
            if ((file.MediaFile != null) && (CacheMinutes > 0))
            {
                cacheOutputData = CacheHelper.CacheImageAllowed(CurrentSiteName, (int)file.MediaFile.FileSize);
            }

            // Ensure the file data if physical file not present
            if (!file.DataLoaded && (file.PhysicalFile == ""))
            {
                byte[] cachedData = GetCachedOutputData();
                if (file.EnsureData(cachedData))
                {
                    if ((cachedData == null) && cacheOutputData)
                    {
                        SaveOutputDataToCache(file.OutputData, GetOutputDataDependency(file.MediaFile));
                    }
                }
            }

            // Send the file
            if ((file.OutputData != null) || (file.PhysicalFile != ""))
            {
                // Setup the mime type - Fix the special types
                string mimetype  = file.MimeType;
                string extension = file.FileExtension;
                switch (extension.ToLower())
                {
                case ".flv":
                    mimetype = "video/x-flv";
                    break;
                }

                // Prepare response
                Response.ContentType = mimetype;
                SetDisposition(file.FileName + extension, extension);

                // Setup Etag property
                ETag = etag;

                // Set if resumable downloads should be supported
                AcceptRange = !IsExtensionExcludedFromRanges(extension);

                if (useClientCache && AllowCache)
                {
                    // Set the file time stamps to allow client caching
                    SetTimeStamps(file);

                    Response.Cache.SetETag(etag);
                }

                // Add the file data
                if ((file.PhysicalFile != "") && (file.OutputData == null))
                {
                    // Stream the file from the file system
                    file.OutputData = WriteFile(file.PhysicalFile, cacheOutputData);
                }
                else
                {
                    // Use output data of the file in memory if present
                    WriteBytes(file.OutputData);
                }
            }
            else
            {
                this.NotFound();
            }
        }
        else
        {
            this.NotFound();
        }

        CompleteRequest();
    }
コード例 #11
0
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile(CMSOutputMetaFile file)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        // Set the revalidation
        SetRevalidation();

        // Send the file
        if (file != null)
        {
            // Redirect if the file should be redirected
            if (file.RedirectTo != "")
            {
                URLHelper.RedirectPermanent(file.RedirectTo, CurrentSiteName);
            }

            string etag = GetFileETag(file);

            // Client caching - only on the live site
            if (useClientCache && AllowCache && AllowClientCache && ETagsMatch(etag, file.LastModified))
            {
                // Set correct response content type
                SetResponseContentType(file);

                // Set the file time stamps to allow client caching
                SetTimeStamps(file);

                RespondNotModified(etag, true);
                return;
            }

            // If physical file not present, try to load
            if (file.PhysicalFile == null)
            {
                EnsurePhysicalFile(outputFile);
            }

            // If the output data should be cached, return the output data
            bool cacheOutputData = false;
            if ((CacheMinutes > 0) && (file.MetaFile != null))
            {
                cacheOutputData = CacheHelper.CacheImageAllowed(CurrentSiteName, file.MetaFile.MetaFileSize);
            }

            // Ensure the file data if physical file not present
            if (!file.DataLoaded && (file.PhysicalFile == ""))
            {
                byte[] cachedData = GetCachedOutputData();
                if (file.EnsureData(cachedData))
                {
                    if ((cachedData == null) && cacheOutputData)
                    {
                        SaveOutputDataToCache(file.OutputData, GetOutputDataDependency(file.MetaFile));
                    }
                }
            }

            // Send the file
            if ((file.OutputData != null) || (file.PhysicalFile != ""))
            {
                // Set correct response content type
                SetResponseContentType(file);

                string extension = file.MetaFile.MetaFileExtension;
                SetDisposition(file.MetaFile.MetaFileName, extension);

                // Setup Etag property
                ETag = etag;

                // Set if resumable downloads should be supported
                AcceptRange = !IsExtensionExcludedFromRanges(extension);

                if (useClientCache && AllowCache)
                {
                    // Set the file time stamps to allow client caching
                    SetTimeStamps(file);

                    Response.Cache.SetETag(etag);
                }
                else
                {
                    SetCacheability();
                }

                // Add the file data
                if ((file.PhysicalFile != "") && (file.OutputData == null))
                {
                    if (!File.Exists(file.PhysicalFile))
                    {
                        // File doesn't exist
                        NotFound();
                    }
                    else
                    {
                        // Stream the file from the file system
                        file.OutputData = WriteFile(file.PhysicalFile, cacheOutputData);
                    }
                }
                else
                {
                    // Use output data of the file in memory if present
                    WriteBytes(file.OutputData);
                }
            }
            else
            {
                NotFound();
            }
        }
        else
        {
            NotFound();
        }

        CompleteRequest();
    }
コード例 #12
0
        protected override void ProcessRequestInternal(HttpContextBase context)
        {
            var hash = QueryHelper.GetString("hash", string.Empty);
            var path = QueryHelper.GetString("path", string.Empty);

            // Validate hash
            var settings = new HashSettings
            {
                Redirect = false
            };

            if (!ValidationHelper.ValidateHash("?path=" + URLHelper.EscapeSpecialCharacters(path), hash, settings))
            {
                RequestHelper.Respond403();
            }

            if (path.StartsWithCSafe("~"))
            {
                path = context.Server.MapPath(path);
            }

            var blobPath = AzurePathHelper.GetBlobPath(path);
            var blob     = BlobCollection.Instance.GetOrCreate(blobPath);

            if (!blob.Exists())
            {
                RequestHelper.Respond404();
            }

            CookieHelper.ClearResponseCookies();
            Response.Clear();

            SetRevalidation();

            var eTag         = blob.GetAttribute(a => a.Etag);
            var lastModified = ValidationHelper.GetDateTime(blob.GetAttribute(a => a.LastModified), DateTimeHelper.ZERO_TIME);

            SetResponseContentType(path);

            // Client caching - only on the live site
            if (AllowCache && AllowClientCache && ETagsMatch(eTag, lastModified))
            {
                // Set the file time stamps to allow client caching
                SetTimeStamps(lastModified);

                RespondNotModified(eTag);
                return;
            }

            SetDisposition(Path.GetFileName(path), Path.GetExtension(path));

            // Setup Etag property
            ETag = eTag;

            if (AllowCache)
            {
                // Set the file time stamps to allow client caching
                SetTimeStamps(lastModified);
                Response.Cache.SetETag(eTag);
            }
            else
            {
                SetCacheability();
            }

            WriteFile(path, CacheHelper.CacheImageAllowed(CurrentSiteName, Convert.ToInt32(blob.GetAttribute(a => a.Length))));

            CompleteRequest();
        }
コード例 #13
0
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile(CMSOutputMetaFile file)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        // Set the revalidation
        SetRevalidation();

        // Send the file
        if (file != null)
        {
            // Redirect if the file should be redirected
            if (file.RedirectTo != "")
            {
                URLHelper.Redirect(file.RedirectTo, true, this.CurrentSiteName);
            }

            // Prepare etag
            string etag = null;
            if (file.MetaFile != null)
            {
                etag += file.MetaFile.MetaFileID;
            }

            // Put etag into ""
            etag = "\"" + etag + "\"";

            // Client caching - only on the live site
            if (useClientCache && AllowCache && AllowClientCache && ETagsMatch(etag, file.LastModified))
            {
                // Set the file time stamps to allow client caching
                SetTimeStamps(file);

                RespondNotModified(etag, true);
                return;
            }

            // If physical file not present, try to load
            if (file.PhysicalFile == null)
            {
                EnsurePhysicalFile(outputFile);
            }

            // If the output data should be cached, return the output data
            bool cacheOutputData = false;
            if ((this.CacheMinutes > 0) && (file.MetaFile != null))
            {
                cacheOutputData = CacheHelper.CacheImageAllowed(CurrentSiteName, file.MetaFile.MetaFileSize);
            }

            // Ensure the file data if physical file not present
            if (!file.DataLoaded && (file.PhysicalFile == ""))
            {
                byte[] cachedData = GetCachedOutputData();
                if (file.EnsureData(cachedData))
                {
                    if ((cachedData == null) && cacheOutputData)
                    {
                        SaveOutputDataToCache(file.OutputData, GetOutputDataDependency(file.MetaFile));
                    }
                }
            }

            // Send the file
            if ((file.OutputData != null) || (file.PhysicalFile != ""))
            {
                // Setup the mime type - Fix the special types
                string mimetype  = file.MimeType;
                string extension = file.MetaFile.MetaFileExtension;
                switch (extension.ToLower())
                {
                case ".flv":
                    mimetype = "video/x-flv";
                    break;
                }

                // Prepare response
                Response.ContentType = mimetype;
                SetDisposition(file.MetaFile.MetaFileName, extension);

                // Setup Etag property
                ETag = etag;

                // Set if resumable downloads should be supported
                AcceptRange = !IsExtensionExcludedFromRanges(extension);

                if (useClientCache && AllowCache)
                {
                    // Set the file time stamps to allow client caching
                    SetTimeStamps(file);

                    Response.Cache.SetETag(etag);
                }

                // Add the file data
                if ((file.PhysicalFile != "") && (file.OutputData == null))
                {
                    // Stream the file from the file system
                    file.OutputData = WriteFile(file.PhysicalFile, cacheOutputData);
                }
                else
                {
                    // Use output data of the file in memory if present
                    WriteBytes(file.OutputData);
                }
            }
            else
            {
                NotFound();
            }
        }
        else
        {
            NotFound();
        }

        CompleteRequest();
    }
コード例 #14
0
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile(CMSOutputSharePointFile file)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        SetRevalidation();

        if ((file != null) && file.IsValid)
        {
            // Prepare etag in ""
            string etag = "\"" + file.SharePointFilePath + "\"";

            // Client caching - only on the live site
            if (useClientCache && AllowCache && ETagsMatch(etag, file.LastModified))
            {
                // Set correct response content type
                SetResponseContentType(file);

                SetTimeStamps(file.LastModified);

                RespondNotModified(etag);
                return;
            }

            // If the output data should be cached, return the output data
            bool cacheOutputData = false;
            if (file.OutputData != null)
            {
                cacheOutputData = CacheHelper.CacheImageAllowed(CurrentSiteName, file.OutputData.Length);
            }

            // Ensure the file data
            if (!file.DataLoaded)
            {
                byte[] cachedData = GetCachedOutputData();

                // Ensure data are retrieved from SharePoint
                if (file.EnsureData(cachedData))
                {
                    if ((cachedData == null) && cacheOutputData)
                    {
                        SaveOutputDataToCache(file.OutputData, null);
                    }
                }
            }

            // Send the file
            if (file.OutputData != null)
            {
                byte[] data;

                // Check if the request is for partial data (Range HTTP header)
                long[,] rangePosition = GetRange(file.OutputData.Length, HttpContext.Current);

                // Send all file contens
                if (rangePosition.GetUpperBound(0) == 0)
                {
                    // Set correct response content type
                    SetResponseContentType(file);

                    // get file name without the path
                    string fileName = Path.GetFileName(file.SharePointFilePath);

                    SetDisposition(fileName, file.FileExtension);

                    // Setup Etag property
                    ETag = etag;

                    // Set if resumable downloads should be supported
                    AcceptRange = !IsExtensionExcludedFromRanges(file.FileExtension);

                    if (useClientCache && AllowCache)
                    {
                        SetTimeStamps(file.LastModified);

                        Response.Cache.SetETag(etag);
                    }
                    else
                    {
                        SetCacheability();
                    }

                    data = file.OutputData;
                }
                // Send partial contens
                else
                {
                    data = new byte[file.OutputData.Length - rangePosition[0, ResponseDataSender.RANGE_START]];

                    // Get part of file
                    Array.Copy(file.OutputData, rangePosition[0, ResponseDataSender.RANGE_START], data, 0, data.Length);
                }

                // Use output data of the file in memory if present
                WriteBytes(data);
            }
            else
            {
                NotFound();
            }
        }
        else
        {
            NotFound();
        }

        CompleteRequest();
    }
コード例 #15
0
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile(CMSOutputSharePointFile file)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);

        if ((file != null) && file.IsValid)
        {
            // Prepare etag in ""
            string etag = "\"" + file.SharePointFilePath + "\"";

            // Client caching - only on the live site
            if (useClientCache && AllowCache && CacheHelper.CacheImageEnabled(CurrentSiteName) && ETagsMatch(etag, file.LastModified))
            {
                RespondNotModified(etag, true);
                return;
            }

            // If the output data should be cached, return the output data
            bool cacheOutputData = false;
            if (file.OutputData != null)
            {
                cacheOutputData = CacheHelper.CacheImageAllowed(CurrentSiteName, file.OutputData.Length);
            }

            // Ensure the file data
            if (!file.DataLoaded)
            {
                byte[] cachedData = GetCachedOutputData();

                // Ensure data are retrieved from SharePoint
                if (file.EnsureData(cachedData))
                {
                    if ((cachedData == null) && cacheOutputData)
                    {
                        SaveOutputDataToCache(file.OutputData, null);
                    }
                }
            }

            // Send the file
            if (file.OutputData != null)
            {
                byte[] data = null;

                // Check if the request is for partial data (Range HTTP header)
                long[,] rangePosition = GetRange(file.OutputData.Length, HttpContext.Current);

                // Send all file contens
                if (rangePosition.GetUpperBound(0) == 0)
                {
                    // Setup the mime type - Fix the special types
                    string mimetype = file.MimeType;
                    switch (file.FileExtension.ToLower())
                    {
                    case ".flv":
                        mimetype = "video/x-flv";
                        break;
                    }

                    // Prepare response
                    Response.ContentType = mimetype;

                    // get file name without the path
                    string fileName = Path.GetFileName(file.SharePointFilePath);

                    SetDisposition(fileName, file.FileExtension);

                    // Setup Etag property
                    ETag = etag;

                    // Set if resumable downloads should be supported
                    AcceptRange = !IsExtensionExcludedFromRanges(file.FileExtension);

                    if (useClientCache && AllowCache && (CacheHelper.CacheImageEnabled(CurrentSiteName)))
                    {
                        DateTime expires = DateTime.Now;

                        // Send last modified header to allow client caching
                        Response.Cache.SetLastModified(file.LastModified);

                        Response.Cache.SetCacheability(HttpCacheability.Public);
                        if (DocumentBase.AllowClientCache() && DocumentBase.UseFullClientCache)
                        {
                            expires = DateTime.Now.AddMinutes(CacheHelper.CacheImageMinutes(CurrentSiteName));
                        }


                        Response.Cache.SetExpires(expires);
                        Response.Cache.SetETag(etag);
                    }

                    data = file.OutputData;
                }
                // Send partial contens
                else
                {
                    data = new byte[file.OutputData.Length - rangePosition[0, RANGE_START]];

                    // Get part of file
                    Array.Copy(file.OutputData, rangePosition[0, RANGE_START], data, 0, data.Length);
                }

                // Use output data of the file in memory if present
                WriteBytes(data);
            }
            else
            {
                NotFound();
            }
        }
        else
        {
            NotFound();
        }

        CompleteRequest();
    }
コード例 #16
0
    /// <summary>
    /// Sends the given file within response.
    /// </summary>
    /// <param name="file">File to send</param>
    protected void SendFile(CMSOutputAvatar file)
    {
        // Clear response.
        CookieHelper.ClearResponseCookies();
        Response.Clear();

        // Set the revalidation
        SetRevalidation();

        // Send the file
        if (file != null)
        {
            // Redirect if the file should be redirected
            if (file.RedirectTo != "")
            {
                URLHelper.Redirect(file.RedirectTo, true, CurrentSiteName);
            }

            // Prepare etag
            string etag = file.LastModified.ToString();

            // Client caching - only on the live site
            if (useClientCache && AllowCache && AllowClientCache && ETagsMatch(etag, file.LastModified))
            {
                RespondNotModified(etag, true);
                return;
            }

            // If physical file not present, try to load
            if (file.PhysicalFile == null)
            {
                EnsurePhysicalFile(outputFile);
            }

            // Ensure the file data if physical file not present
            if (!file.DataLoaded && (file.PhysicalFile == ""))
            {
                byte[] cachedData = GetCachedOutputData();
                if (file.EnsureData(cachedData))
                {
                    if ((cachedData == null) && (this.CacheMinutes > 0))
                    {
                        SaveOutputDataToCache(file.OutputData, GetOutputDataDependency(file.Avatar));
                    }
                }
            }

            // Send the file
            if ((file.OutputData != null) || (file.PhysicalFile != ""))
            {
                // Setup the mime type - Fix the special types
                string mimetype  = file.MimeType;
                string extension = file.Avatar.AvatarFileExtension;
                switch (extension.ToLower())
                {
                case ".flv":
                    mimetype = "video/x-flv";
                    break;
                }

                // Prepare response
                Response.ContentType = mimetype;
                SetDisposition(file.Avatar.AvatarFileName, extension);

                ETag = etag;
                // Set if resumable downloads should be supported
                AcceptRange = !IsExtensionExcludedFromRanges(extension);

                if (useClientCache && AllowCache)
                {
                    DateTime expires = DateTime.Now;

                    // Send last modified header to allow client caching
                    Response.Cache.SetLastModified(file.LastModified);

                    Response.Cache.SetCacheability(HttpCacheability.Public);
                    if (AllowClientCache)
                    {
                        expires = DateTime.Now.AddMinutes(this.ClientCacheMinutes);
                    }

                    Response.Cache.SetExpires(expires);
                    Response.Cache.SetETag(etag);
                }

                // Add the file data
                if ((file.PhysicalFile != "") && (file.OutputData == null))
                {
                    // If the output data should be cached, return the output data
                    bool cacheOutputData = false;
                    if (file.Avatar != null)
                    {
                        cacheOutputData = CacheHelper.CacheImageAllowed(CurrentSiteName, file.Avatar.AvatarFileSize);
                    }

                    // Stream the file from the file system
                    file.OutputData = WriteFile(file.PhysicalFile, cacheOutputData);
                }
                else
                {
                    // Use output data of the file in memory if present
                    WriteBytes(file.OutputData);
                }
            }
            else
            {
                Response.Write("<html></html>");
            }
        }
        else
        {
            Response.Write("<html></html>");
        }

        CompleteRequest();
    }
コード例 #17
0
    protected void Page_Load(object sender, EventArgs e)
    {
        string hash = QueryHelper.GetString("hash", string.Empty);
        string path = QueryHelper.GetString("path", string.Empty);

        // Validate hash
        if (ValidationHelper.ValidateHash("?path=" + path, hash, false))
        {
            if (path.StartsWith("~"))
            {
                path = Server.MapPath(path);
            }

            // Get file content from Amazon S3
            IS3ObjectInfo obj = S3ObjectFactory.GetInfo(path);

            // Check if blob exists
            if (Provider.ObjectExists(obj))
            {
                // Clear response.
                CookieHelper.ClearResponseCookies();
                Response.Clear();

                // Set the revalidation
                SetRevalidation();

                DateTime lastModified = S3ObjectInfoProvider.GetStringDateTime(obj.GetMetadata(S3ObjectInfoProvider.LAST_WRITE_TIME));
                string   etag         = "\"" + lastModified.ToString() + "\"";

                // Client caching - only on the live site
                if (AllowCache && AllowClientCache && ETagsMatch(etag, lastModified))
                {
                    // Set the file time stamps to allow client caching
                    SetTimeStamps(lastModified);

                    RespondNotModified(etag, true);
                    return;
                }

                Stream stream = Provider.GetObjectContent(obj);

                // Set right content type
                Response.ContentType = MimeTypeHelper.GetMimetype(Path.GetExtension(path));
                SetDisposition(Path.GetFileName(path), Path.GetExtension(path));

                // Setup Etag property
                ETag = etag;

                if (AllowCache)
                {
                    // Set the file time stamps to allow client caching
                    SetTimeStamps(lastModified);
                    Response.Cache.SetETag(etag);
                }
                else
                {
                    SetCacheability();
                }

                // Send headers
                Response.Flush();

                Byte[] buffer    = new Byte[DataHelper.BUFFER_SIZE];
                int    bytesRead = stream.Read(buffer, 0, DataHelper.BUFFER_SIZE);

                // Copy data from blob stream to cache
                while (bytesRead > 0)
                {
                    // Write the data to the current output stream
                    Response.OutputStream.Write(buffer, 0, bytesRead);

                    // Flush the data to the output
                    Response.Flush();

                    // Read next part of data
                    bytesRead = stream.Read(buffer, 0, DataHelper.BUFFER_SIZE);
                }

                stream.Close();

                CompleteRequest();
            }
            else
            {
                NotFound();
            }
        }
        else
        {
            URLHelper.Redirect(ResolveUrl("~/CMSMessages/Error.aspx?title=" + ResHelper.GetString("general.badhashtitle") + "&text=" + ResHelper.GetString("general.badhashtext")));
        }
    }