/// <summary>
/// Gets the new output MetaFile object.
/// </summary>
public CMSOutputMetaFile NewOutputFile()
{
CMSOutputMetaFile mf = new CMSOutputMetaFile();
mf.Watermark = Watermark;
mf.WatermarkPosition = WatermarkPosition;
return(mf);
}
/// <summary>
/// Gets the new output MetaFile object.
/// </summary>
/// <param name="mfi">Meta file info</param>
/// <param name="data">Output MetaFile data</param>
public CMSOutputMetaFile NewOutputFile(MetaFileInfo mfi, byte[] data)
{
CMSOutputMetaFile mf = new CMSOutputMetaFile(mfi, data);
mf.Watermark = Watermark;
mf.WatermarkPosition = WatermarkPosition;
return(mf);
}
/// <summary>
/// Sets the last modified and expires header to the response
/// </summary>
/// <param name="file">Output file data</param>
private void SetTimeStamps(CMSOutputMetaFile file)
{
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(ClientCacheMinutes);
}
Response.Cache.SetExpires(expires);
}
/// <summary>
/// Gets the ETag for the given file
/// </summary>
/// <param name="file">File</param>
private static string GetFileETag(CMSOutputMetaFile file)
{
// Prepare etag
string etag = null;
if (file.MetaFile != null)
{
etag += file.MetaFile.MetaFileID;
}
etag += "|" + file.LastModified;
// Put etag into ""
etag = "\"" + etag + "\"";
return(etag);
}
/// <summary>
/// Processes the file.
/// </summary>
protected void ProcessFile()
{
outputFile = null;
// Get file GUID from querystring
fileGuid = QueryHelper.GetGuid("fileguid", Guid.Empty);
if (fileGuid == Guid.Empty)
{
// Get file GUID from context
fileGuid = ValidationHelper.GetGuid(Context.Items["fileguid"], Guid.Empty);
}
if (fileGuid != Guid.Empty)
{
ProcessFile(fileGuid);
}
}
/// <summary>
/// Sets content type of the response based on file MIME type
/// </summary>
/// <param name="file">Output file</param>
private void SetResponseContentType(CMSOutputMetaFile file)
{
string mimeType = file.MimeType;
if (file.MetaFile != null)
{
string extension = file.MetaFile.MetaFileExtension;
switch (extension.ToLowerCSafe())
{
case ".flv":
// Correct MIME type
mimeType = "video/x-flv";
break;
}
}
// Set content type
Response.ContentType = mimeType;
}
/// <summary>
/// Processes the specified file.
/// </summary>
/// <param name="fileGuid">File guid</param>
protected void ProcessFile(Guid fileGuid)
{
// Get the file
MetaFileInfo fileInfo = MetaFileInfoProvider.GetMetaFileInfoWithoutBinary(fileGuid, CurrentSiteName, true);
if (fileInfo != null)
{
bool resizeImage = (ImageHelper.IsImage(fileInfo.MetaFileExtension) && MetaFileInfoProvider.CanResizeImage(fileInfo, Width, Height, MaxSideSize));
// Get the data
if ((outputFile == null) || (outputFile.MetaFile == null))
{
outputFile = NewOutputFile(fileInfo, null);
outputFile.Width = Width;
outputFile.Height = Height;
outputFile.MaxSideSize = MaxSideSize;
outputFile.Resized = resizeImage;
}
}
}
/// <summary>
/// Ensures the physical file.
/// </summary>
/// <param name="file">Output file</param>
public bool EnsurePhysicalFile(CMSOutputMetaFile file)
{
if (file == null)
{
return false;
}
// Try to link to file system
if (String.IsNullOrEmpty(file.Watermark) && (file.MetaFile != null) && (file.MetaFile.MetaFileID > 0) && MetaFileInfoProvider.StoreFilesInFileSystem(file.SiteName))
{
string filePath = MetaFileInfoProvider.EnsurePhysicalFile(file.MetaFile, file.SiteName);
if (filePath != null)
{
if (file.Resized)
{
// If resized, ensure the thumbnail file
if (MetaFileInfoProvider.GenerateThumbnails(file.SiteName))
{
filePath = MetaFileInfoProvider.EnsureThumbnailFile(file.MetaFile, file.SiteName, Width, Height, MaxSideSize);
if (filePath != null)
{
// Link to the physical file
file.PhysicalFile = filePath;
return true;
}
}
}
else
{
// Link to the physical file
file.PhysicalFile = filePath;
return false;
}
}
}
file.PhysicalFile = "";
return false;
}
/// <summary>
/// Ensures the physical file.
/// </summary>
/// <param name="file">Output file</param>
public bool EnsurePhysicalFile(CMSOutputMetaFile file)
{
if (file == null)
{
return(false);
}
// Try to link to file system
if (String.IsNullOrEmpty(file.Watermark) && (file.MetaFile != null) && (file.MetaFile.MetaFileID > 0) && MetaFileInfoProvider.StoreFilesInFileSystem(file.SiteName))
{
string filePath = MetaFileInfoProvider.EnsurePhysicalFile(file.MetaFile, file.SiteName);
if (filePath != null)
{
if (file.Resized)
{
// If resized, ensure the thumbnail file
if (MetaFileInfoProvider.GenerateThumbnails(file.SiteName))
{
filePath = MetaFileInfoProvider.EnsureThumbnailFile(file.MetaFile, file.SiteName, Width, Height, MaxSideSize);
if (filePath != null)
{
// Link to the physical file
file.PhysicalFile = filePath;
return(true);
}
}
}
else
{
// Link to the physical file
file.PhysicalFile = filePath;
return(false);
}
}
}
file.PhysicalFile = "";
return(false);
}
/// <summary>
/// Processes the file.
/// </summary>
protected void ProcessFile()
{
outputFile = null;
// Get file GUID from querystring
fileGuid = QueryHelper.GetGuid("fileguid", Guid.Empty);
if (fileGuid == Guid.Empty)
{
// Get file GUID from context
fileGuid = ValidationHelper.GetGuid(Context.Items["fileguid"], Guid.Empty);
}
if (fileGuid == Guid.Empty)
{
return;
}
// Get the file
var fileInfo = MetaFileInfoProvider.GetMetaFileInfoWithoutBinary(fileGuid, CurrentSiteName, true);
if (fileInfo == null)
{
return;
}
bool resizeImage = (ImageHelper.IsImage(fileInfo.MetaFileExtension) && MetaFileInfoProvider.CanResizeImage(fileInfo, Width, Height, MaxSideSize));
// Get the data
if ((outputFile == null) || (outputFile.MetaFile == null))
{
outputFile = NewOutputFile(fileInfo, null);
outputFile.Width = Width;
outputFile.Height = Height;
outputFile.MaxSideSize = MaxSideSize;
outputFile.Resized = resizeImage;
}
}
/// <summary>
/// Processes the specified file.
/// </summary>
/// <param name="fileGuid">File guid</param>
protected void ProcessFile(Guid fileGuid)
{
// Get the file
MetaFileInfo fileInfo = MetaFileInfoProvider.GetMetaFileInfoWithoutBinary(fileGuid, CurrentSiteName, true);
if (fileInfo != null)
{
bool resizeImage = (ImageHelper.IsImage(fileInfo.MetaFileExtension) && MetaFileInfoProvider.CanResizeImage(fileInfo, this.Width, this.Height, this.MaxSideSize));
// Get the data
if ((outputFile == null) || (outputFile.MetaFile == null))
{
outputFile = NewOutputFile(fileInfo, null);
outputFile.Width = this.Width;
outputFile.Height = this.Height;
outputFile.MaxSideSize = this.MaxSideSize;
outputFile.Resized = resizeImage;
}
}
}
/// <summary>
/// Sets the last modified and expires header to the response
/// </summary>
/// <param name="file">Output file data</param>
private void SetTimeStamps(CMSOutputMetaFile file)
{
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);
}
/// <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();
}
/// <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();
}
/// <summary>
/// Gets the new output MetaFile object.
/// </summary>
public CMSOutputMetaFile NewOutputFile()
{
CMSOutputMetaFile mf = new CMSOutputMetaFile();
mf.Watermark = Watermark;
mf.WatermarkPosition = WatermarkPosition;
return mf;
}
/// <summary>
/// Processes the file.
/// </summary>
protected void ProcessFile()
{
outputFile = null;
// Get file GUID from querystring
fileGuid = QueryHelper.GetGuid("fileguid", Guid.Empty);
if (fileGuid == Guid.Empty)
{
// Get file GUID from context
fileGuid = ValidationHelper.GetGuid(Context.Items["fileguid"], Guid.Empty);
}
if (fileGuid == Guid.Empty)
{
return;
}
// Get the file
var fileInfo = MetaFileInfoProvider.GetMetaFileInfoWithoutBinary(fileGuid, CurrentSiteName, true);
if (fileInfo == null)
{
return;
}
bool resizeImage = (ImageHelper.IsImage(fileInfo.MetaFileExtension) && MetaFileInfoProvider.CanResizeImage(fileInfo, Width, Height, MaxSideSize));
// Get the data
if ((outputFile == null) || (outputFile.MetaFile == null))
{
outputFile = NewOutputFile(fileInfo, null);
outputFile.Width = Width;
outputFile.Height = Height;
outputFile.MaxSideSize = MaxSideSize;
outputFile.Resized = resizeImage;
}
}
/// <summary>
/// Gets the new output MetaFile object.
/// </summary>
/// <param name="mfi">Meta file info</param>
/// <param name="data">Output MetaFile data</param>
public CMSOutputMetaFile NewOutputFile(MetaFileInfo mfi, byte[] data)
{
CMSOutputMetaFile mf = new CMSOutputMetaFile(mfi, data);
mf.Watermark = Watermark;
mf.WatermarkPosition = WatermarkPosition;
return mf;
}
/// <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();
}
/// <summary>
/// Processes the file.
/// </summary>
protected void ProcessFile()
{
outputFile = null;
// Get file GUID from querystring
this.fileGuid = QueryHelper.GetGuid("fileguid", Guid.Empty);
if (this.fileGuid == Guid.Empty)
{
// Get file GUID from context
this.fileGuid = ValidationHelper.GetGuid(this.Context.Items["fileguid"], Guid.Empty);
}
if (this.fileGuid != Guid.Empty)
{
ProcessFile(this.fileGuid);
}
}
/// <summary>
/// Sets content type of the response based on file MIME type
/// </summary>
/// <param name="file">Output file</param>
private void SetResponseContentType(CMSOutputMetaFile file)
{
string mimeType = file.MimeType;
if (file.MetaFile != null)
{
string extension = file.MetaFile.MetaFileExtension;
switch (extension.ToLowerCSafe())
{
case ".flv":
// Correct MIME type
mimeType = "video/x-flv";
break;
}
}
// Set content type
Response.ContentType = mimeType;
}
/// <summary>
/// Gets the ETag for the given file
/// </summary>
/// <param name="file">File</param>
private static string GetFileETag(CMSOutputMetaFile file)
{
// Prepare etag
string etag = null;
if (file.MetaFile != null)
{
etag += file.MetaFile.MetaFileID;
}
etag += "|" + file.LastModified;
// Put etag into ""
etag = "\"" + etag + "\"";
return etag;
}
/// <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.LastModified);
RespondNotModified(etag);
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.MetaFile != null) && ((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.LastModified);
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();
}
