protected void ButtonUpload_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
if (FileUpload.HasFile)
{
// a file has been uploaded, check if it has content,
// and if the content size does not exceed the maximum
// as set by the administrator in the settings
HttpPostedFile httpFile = FileUpload.PostedFile;
if (httpFile.ContentLength > 0 && httpFile.ContentLength < BlogoSettings.MaxFileSize)
{
// the file size is valid, let's put it into the database
Blogo.NET.Business.File newFile = new Blogo.NET.Business.File();
newFile.filename = System.IO.Path.GetFileName(httpFile.FileName);
newFile.mime = httpFile.ContentType;
newFile.filecontent = new byte[httpFile.ContentLength];
httpFile.InputStream.Read(newFile.filecontent, 0, httpFile.ContentLength);
FileManager.Save(newFile);
Response.Redirect("~/View/Pages/Admin/AdminFiles.aspx");
}
else
{
// a file was uploaded but the file's content size was invalid
LabelError.Text = "The file size is invalid (either 0 or exceeding the maximum)";
// SPECIAL NOTE: When the uploaded file is larger than the setting
// maxRequestLength in the web.config (httpRuntime setting),
// users will not face our friendly error message. Instead,
// they will get a brute "connect was reset" error from the browser.
// to avoid this, increase the maxRequestLength setting
}
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
// check if a file identifier was passed...
if (Request.QueryString["file"] != null)
{
// get the file object
long fileID = long.Parse(Request.QueryString["file"].ToString());
Blogo.NET.Business.File myFile = FileManager.GetItem(fileID);
if (myFile != null)
{
// a file object was found in the database, output the file contents
Response.Clear();
Response.ContentType = myFile.mime;
Response.OutputStream.Write((byte[])myFile.filecontent, 0, (int)myFile.filecontent.Length);
Response.End();
}
else
{
// now file was found matching the file identifier
throw new Exception("Invalid file identifier: " + fileID.ToString());
}
}
}