private void DownloadFile()
{
if (
(CurrentPage != null) &&
(sharedFile != null)
)
{
string downloadPath = Page.Server.MapPath(WebUtils.GetApplicationRoot()
+ "/Data/Sites/" + this.CurrentPage.SiteId.ToString(CultureInfo.InvariantCulture) + "/SharedFiles/")
+ sharedFile.ServerFileName;
if (File.Exists(downloadPath))
{
FileInfo fileInfo = new System.IO.FileInfo(downloadPath);
Page.Response.AppendHeader("Content-Length", fileInfo.Length.ToString(CultureInfo.InvariantCulture));
}
else
{
log.Error("Shared File Not Found. User tried to download file " + downloadPath);
return;
}
string fileType = Path.GetExtension(sharedFile.FriendlyName).Replace(".", string.Empty);
string mimeType = SiteUtils.GetMimeType(fileType);
Page.Response.ContentType = mimeType;
if (SiteUtils.IsNonAttacmentFileType(fileType))
{
//this will display the pdf right in the browser
Page.Response.AddHeader("Content-Disposition", "filename=\"" + HttpUtility.UrlEncode(sharedFile.FriendlyName, Encoding.UTF8) + "\"");
}
else
{
// other files just use file save dialog
Page.Response.AddHeader("Content-Disposition", "attachment; filename=\"" + HttpUtility.UrlEncode(sharedFile.FriendlyName, Encoding.UTF8) + "\"");
}
//Page.Response.AddHeader("Content-Length", documentFile.DocumentImage.LongLength.ToString());
try
{
Page.Response.Buffer = false;
Page.Response.BufferOutput = false;
if (Page.Response.IsClientConnected)
{
// TODO: a different solution, Response.TransmitFile has a 2 GB limit
Page.Response.TransmitFile(downloadPath);
SharedFile.IncrementDownloadCount(sharedFile.ItemId);
}
Page.Response.End();
}
catch (HttpException) { }
}
}
private void DownloadFile()
{
if (CurrentPage != null && sharedFile != null)
{
string virtualPath = $"~/Data/Sites/{CurrentPage.SiteId.ToInvariantString()}/SharedFiles/{sharedFile.ServerFileName}";
if (fileSystem.FileExists(virtualPath))
{
WebFile fileInfo = fileSystem.RetrieveFile(virtualPath);
Page.Response.AppendHeader("Content-Length", fileInfo.Size.ToString(CultureInfo.InvariantCulture));
}
else
{
log.Error($"Shared File Not Found. User tried to download file {virtualPath}");
return;
}
string fileType = Path.GetExtension(sharedFile.FriendlyName).Replace(".", string.Empty);
string mimeType = SiteUtils.GetMimeType(fileType);
//Page.Response.ContentType = mimeType;
Page.Response.ContentType = "application/" + fileType;
if (!SharedFilesConfiguration.TreatPdfAsAttachment && SiteUtils.IsNonAttacmentFileType(fileType))
{
//this will display the pdf right in the browser
// and the file may be cached by the web browser
Page.Response.AddHeader("Content-Disposition", $"filename=\"{HttpUtility.UrlEncode(sharedFile.FriendlyName, Encoding.UTF8)}\"");
if (SharedFilesConfiguration.NonAttachmentDownloadExpireDays != 0)
{
Page.Response.AddHeader("Expires", DateTime.Now.AddDays(SharedFilesConfiguration.NonAttachmentDownloadExpireDays).ToUniversalTime().ToString("R"));
}
}
else
{
// other files just use file save dialog
Page.Response.AddHeader("Content-Disposition", $"attachment; filename=\"{HttpUtility.UrlEncode(sharedFile.FriendlyName, Encoding.UTF8)}\"");
// 0 is the default so we should not be settings a cache header here
// attachments are not stored in the web browser cache
if (SharedFilesConfiguration.AttachmentDownloadExpireDays != 0)
{
Page.Response.AddHeader("Expires", DateTime.Now.AddDays(SharedFilesConfiguration.AttachmentDownloadExpireDays).ToUniversalTime().ToString("R"));
}
}
try
{
Page.Response.Buffer = false;
Page.Response.BufferOutput = false;
if (Page.Response.IsClientConnected)
{
using (Stream stream = fileSystem.GetAsStream(virtualPath))
{
stream.CopyTo(Page.Response.OutputStream);
SharedFile.IncrementDownloadCount(sharedFile.ItemId);
}
try
{
Page.Response.End();
}
catch (System.Threading.ThreadAbortException) { }
}
}
catch (HttpException) { }
}
}