private void btnProtPdf_Click(object sender, EventArgs e)
{
if (ofdAbrirArquivo.ShowDialog() == DialogResult.OK)
{
using (PDFDoc doc = new PDFDoc(ofdAbrirArquivo.FileName))
{
//Apply a new security handler with given security settings.
// In order to open saved PDF you will need a user password 'test'.
SecurityHandler new_handler = new SecurityHandler(SecurityHandler.AlgorithmType.e_AES_256);
// Set a new password required to open a document
string my_password = "******";
new_handler.ChangeUserPassword(my_password);
// Set Permissions
new_handler.SetPermission(SecurityHandler.Permission.e_print, true);
new_handler.SetPermission(SecurityHandler.Permission.e_extract_content, false);
// Note: document takes the ownership of new_handler.
doc.SetSecurityHandler(new_handler);
doc.Save(GetNewFileName(ofdAbrirArquivo.FileName, FileNameOptionEnum.Encrypt), SDFDoc.SaveOptions.e_linearized);
}
}
}
public FileItemDTO ProtectFile(FileItemEntity fileItem)
{
fileItem.FileFullPath = FileUtils.GetDefaultInputPath() + fileItem.FileName;
File.WriteAllBytes(fileItem.FileFullPath, fileItem.Bytes);
var fileItemDTO = new FileItemDTO()
{
Id = fileItem.Id,
FileFullPath = FileUtils.GetNewFileName(fileItem.FileName, FileNameOptionEnum.Protect)
};
fileItemDTO.FileName = FileUtils.GetSafeFileName(fileItemDTO.FileFullPath);
using (PDFDoc doc = new PDFDoc(fileItem.FileFullPath))
{
SecurityHandler new_handler = new SecurityHandler(SecurityHandler.AlgorithmType.e_AES_256);
string my_password = "******";
new_handler.ChangeUserPassword(my_password);
new_handler.SetPermission(SecurityHandler.Permission.e_print, true);
new_handler.SetPermission(SecurityHandler.Permission.e_extract_content, false);
doc.SetSecurityHandler(new_handler);
doc.Save(fileItemDTO.FileFullPath, SDFDoc.SaveOptions.e_linearized);
}
return(fileItemDTO);
}
/// <summary>
/// Genera la factura de la reserva id pasada como parametro, si la factura pertenece al socio y si ha pagado la reserva, y la devuelve al socio
/// </summary>
/// <param name="id">id de la reserva para la cual mostrar la factura</param>
/// <returns>pdf con la factura si socio, sino redirige a /Home/index o /Admin/index dependiendo si es admin o no logueado</returns>
public ActionResult VerFacturaReserva(int? id)
{
if (isSocio())
{
reservas reserva = db.reservas.Find(id);
if (reserva == null)
{
addError("No tiene permisos para visualizar esta reserva");
saveErrors();
return RedirectToAction("MisReservas", "Socio");
}
string socio_id = (string)Session["UserID"];
if (reserva.socios.id != socio_id)
{
addError("No tiene permisos para visualizar esta reserva");
saveErrors();
return RedirectToAction("MisReservas", "Socio");
}
if (reserva.pagado == false)
{
addError("La factura no puede ser visualizada hasta que la reserva sea abonada");
saveErrors();
return RedirectToAction("MisReservas", "Socio");
}
// Creacion del pdf a partir de los datos xml en la BBDD
PDFNet.Initialize();
// Ruta relavita a las carpetas que contienen los archivos
string input_path = "c:/Google Drive/PFC/pdf/";
string output_path = "c:/Google Drive/PFC/pdf/Output/";
try
{
// Juntar XFDF desde el xml string
PDFDoc in_doc = new PDFDoc(input_path + "factura.pdf");
{
in_doc.InitSecurityHandler();
//Debug.WriteLine("Juntamos XFDF string con el PDF...");
//reservas reserva = db.reservas.Find(id);
string str = reserva.facturas.xml_factura;
//Debug.WriteLine(str);
using (FDFDoc fdoc = new FDFDoc(FDFDoc.CreateFromXFDF(str)))
{
in_doc.FDFMerge(fdoc);
// Iniciamos los permisos del pdf, para que no se pueda editar
StdSecurityHandler newHandler = new StdSecurityHandler();
newHandler.SetPermission(SecurityHandler.Permission.e_doc_modify, false);
newHandler.SetPermission(SecurityHandler.Permission.e_fill_forms, false);
newHandler.SetPermission(SecurityHandler.Permission.e_extract_content, false);
newHandler.SetPermission(SecurityHandler.Permission.e_mod_annot, false);
in_doc.SetSecurityHandler(newHandler);
in_doc.Save(output_path + "factura_modificada.pdf", SDFDoc.SaveOptions.e_linearized);
Debug.WriteLine("Juntado completado.");
}
}
}
catch (PDFNetException e)
{
Debug.WriteLine(e.Message);
}
return File("c:/Google drive/PFC/pdf/output/factura_modificada.pdf", "application/pdf");
}
else
return RedirectToAction("Index", isAdmin() ? "Admin" : "Home");
}
static void Main(string[] args)
{
PDFNet.Initialize();
// Relative path to the folder containing test files.
string input_path = "../../TestFiles/";
string output_path = "../../TestFiles/Output/";
// Example 1: Securing a document with password protection and adjusting permissions
// on the document.
try
{
// Open the test file
Console.WriteLine("-------------------------------------------------");
Console.WriteLine("Securing an existing document...");
using (PDFDoc doc = new PDFDoc(input_path + "fish.pdf"))
{
if (!doc.InitSecurityHandler())
{
Console.WriteLine("Document authentication error...");
return;
}
// Perform some operation on the document. In this case we use low level SDF API
// to replace the content stream of the first page with contents of file 'my_stream.txt'
if (true) // Optional
{
Console.WriteLine("Replacing the content stream, use flate compression...");
// Get the first page dictionary using the following path: trailer/Root/Pages/Kids/0
Obj page_dict = doc.GetTrailer().Get("Root").Value().
Get("Pages").Value().Get("Kids").Value().GetAt(0);
// Embed a custom stream (file mystream.txt) using Flate compression.
MappedFile embed_file = new MappedFile(input_path + "my_stream.txt");
FilterReader mystm = new FilterReader(embed_file);
page_dict.Put("Contents", doc.CreateIndirectStream(mystm));
embed_file.Close();
}
// Apply a new security handler with given security settings.
// In order to open saved PDF you will need a user password 'test'.
SecurityHandler new_handler = new SecurityHandler();
// Set a new password required to open a document
string my_password = "******";
new_handler.ChangeUserPassword(my_password);
// Set Permissions
new_handler.SetPermission(SecurityHandler.Permission.e_print, true);
new_handler.SetPermission(SecurityHandler.Permission.e_extract_content, false);
// Note: document takes the ownership of new_handler.
doc.SetSecurityHandler(new_handler);
// Save the changes.
Console.WriteLine("Saving modified file...");
doc.Save(output_path + "secured.pdf", 0);
}
Console.WriteLine("Done. Result saved in secured.pdf");
}
catch (PDFNetException e)
{
Console.WriteLine(e.Message);
}
// Example 2: Reading password protected document without user feedback.
try
{
// In this sample case we will open an encrypted document that
// requires a user password in order to access the content.
Console.WriteLine("-------------------------------------------------");
Console.WriteLine("Open the password protected document from the first example...");
using (PDFDoc doc = new PDFDoc(output_path + "secured.pdf")) // Open the encrypted document that we saved in the first example.
{
Console.WriteLine("Initializing security handler without any user interaction...");
// At this point MySecurityHandler callbacks will be invoked.
// MySecurityHandler.GetAuthorizationData() should collect the password and
// AuthorizeFailed() is called if user repeatedly enters a wrong password.
if (!doc.InitStdSecurityHandler("test"))
{
Console.WriteLine("Document authentication error...");
Console.WriteLine("The password is not valid.");
return;
}
else
{
Console.WriteLine("The password is correct! Document can now be used for reading and editing");
// Remove the password security and save the changes to a new file.
doc.RemoveSecurity();
doc.Save(output_path + "secured_nomore1.pdf", 0);
Console.WriteLine("Done. Result saved in secured_nomore1.pdf");
}
}
}
catch (PDFNetException e)
{
Console.WriteLine(e.Message);
}
Console.WriteLine("Tests completed.");
}
