internal int PageCount(string file)
{
AsposePdf.Facades.PdfFileInfo fileInfo = new AsposePdf.Facades.PdfFileInfo(file);
return fileInfo.NumberOfPages;
}
internal bool IsEncrypted(String file)
{
AsposePdf.Facades.PdfFileInfo fileInfo = new AsposePdf.Facades.PdfFileInfo(file);
return fileInfo.IsEncrypted;
}
internal bool HasOpenPassword(Stream file)
{
AsposePdf.Facades.PdfFileInfo fileInfo = new AsposePdf.Facades.PdfFileInfo(file);
return fileInfo.HasOpenPassword;
}
internal static void ExportPdfFile(string filename)
{
try
{
var path = $"original\\{filename}";
var author = "Ευάγγελος Λιάτσας";
var docid = Guid.NewGuid();
var title = filename + " - Δοκιμή PDF διαχείριση";
var document = new Aspose.Pdf.Document(path);
// Check for password protection
var info = new Aspose.Pdf.Facades.PdfFileInfo(document);
// Determine if the source PDF is encrypted
if (info.IsEncrypted)
{
throw new Exception("The PDF file is password protected...");
}
var pdfSign = new Aspose.Pdf.Facades.PdfFileSignature(document);
if (pdfSign.ContainsSignature())
{
var signees = pdfSign.GetSignNames();
foreach (var signee in signees)
{
Console.WriteLine($"Is digitally signed by {signee} ...");
}
}
else
{
// add footer to each sheet
var footerText = string.Empty;
if (author != null)
{
footerText = String.Format("Διανομή μέσω 'ΙΡΙΔΑ' με UID: {0} στις {1}", docid, DateTime.Now.ToString("dd/MM/yy HH:mm"));
}
// Create footer
Aspose.Pdf.TextStamp textStamp = new Aspose.Pdf.TextStamp(footerText);
// Set properties of the stamp
textStamp.BottomMargin = 10;
textStamp.HorizontalAlignment = Aspose.Pdf.HorizontalAlignment.Center;
textStamp.VerticalAlignment = Aspose.Pdf.VerticalAlignment.Bottom;
// Add footer on all pages
foreach (Aspose.Pdf.Page page in document.Pages)
{
page.AddStamp(textStamp);
}
Console.WriteLine("added footer ...");
}
//set file metadata
document.Info.Title = title;
if (author != null)
{
document.Info.Author = author;
}
var final = new MemoryStream();
document.Save(final);
using (FileStream file = new FileStream($"revised\\export_{filename}", FileMode.Create, System.IO.FileAccess.Write))
final.WriteTo(file);
}
catch (Exception exc)
{
Console.WriteLine(exc);
}
}
