/// <summary>
/// Sets the last modified and expires header to the response
/// </summary>
/// <param name="file">Output file data</param>
private void SetTimeStamps(CMSOutputSharePointFile file)
{
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.ClientCacheMinutes(CurrentSiteName));
}
Response.Cache.SetExpires(expires);
}
/// <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();
}
/// <summary>
/// Sends the given file within response.
/// </summary>
/// <param name="file">File to send</param>
protected void SendFile(CMSOutputForumAttachment file)
{
// Clear response.
CookieHelper.ClearResponseCookies();
Response.Clear();
Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
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 && CacheHelper.CacheImageEnabled(CurrentSiteName) && 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.ForumAttachment));
}
}
}
// Send the file
if ((file.OutputData != null) || (file.PhysicalFile != ""))
{
// Setup the mime type - Fix the special types
string mimetype = file.MimeType;
string extension = file.ForumAttachment.AttachmentFileExtension;
switch (extension.ToLower())
{
case ".flv":
mimetype = "video/x-flv";
break;
}
// Prepare response
Response.ContentType = mimetype;
SetDisposition(file.ForumAttachment.AttachmentFileName, extension);
// Set if resumable downloads should be supported
AcceptRange = !IsExtensionExcludedFromRanges(extension);
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);
}
// 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.ForumAttachment != null)
{
cacheOutputData = CacheHelper.CacheImageAllowed(CurrentSiteName, file.ForumAttachment.AttachmentFileSize);
}
// 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();
//RequestHelper.EndResponse();
}
/// <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();
}