public static void MakeReadOnly(string inputFilePath, string outputFilePath, string password)
{
try
{
using (Stream inputPdfStream = new FileStream(inputFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (Stream outputPdfStream2 = new FileStream(outputFilePath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
//Opens our outputted file for reading
var reader2 = new PdfReader(inputPdfStream);
//Encrypts the outputted PDF to make it not allow Copy or Pasting
PdfEncryptor.Encrypt(
reader2,
outputPdfStream2,
true,
null,
password,
PdfWriter.ALLOW_SCREENREADERS
);
//Creates the outputted final file
reader2.Close();
}
}
catch (Exception ex)
{
throw;
}
}
//public void EmbadedFileToPDF(string strPDFPath, List<string> fileToEmbad)
//{
// PdfReader reader = new PdfReader(strPDFPath);
// PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(dest));
//}
//Additional Function
private static void PasswordProtectPDF(string strPDFPath, string strPassword)
{
try
{
Stream input = new FileStream(strPDFPath, FileMode.Open, FileAccess.Read, FileShare.Read);
byte[] btSourceFile = StreamToByteArray(input);
input.Close();
using (Stream output = new FileStream(strPDFPath, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader = new PdfReader(btSourceFile);
PdfReader.unethicalreading = true;
PdfEncryptor.Encrypt(reader, output, true, strPassword, strPassword, PdfWriter.ALLOW_PRINTING | PdfWriter.AllowFillIn | PdfWriter.AllowScreenReaders | PdfWriter.ENCRYPTION_AES_128);
reader.Close();
//PdfEncryptor.IsPrintingAllowed(PdfWriter.ALLOW_PRINTING);
}
}
catch (Exception ex)
{
if (ex.Message == "Bad user password")
{
throw new Exception("Document is password protected");
}
else
{
throw ex;
}
}
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
TargetFile objTarget = new TargetFile(this.FilePathTextBox.Text);
string sPW = "TOHU";
byte[] objPW = Encoding.ASCII.GetBytes(sPW);
using (PdfReader objReader = new PdfReader(objTarget.SourcePath, objPW))
{
using (var objOutputFileStream = new FileStream(objTarget.OutputPath, FileMode.Create))
{
string sPassword = this.IsNeedPassWordForOpenFileCheckBox.IsChecked == true ? this.PasswordTextBox.Text : null;
int nPermission = 0;
if (this.AllowCopyCheckBox.IsChecked == true)
{
nPermission = nPermission | PdfWriter.AllowCopy;
}
if (this.AllowPrintingCheckBox.IsChecked == true)
{
nPermission = nPermission | PdfWriter.AllowPrinting;
}
PdfEncryptor.Encrypt(objReader, objOutputFileStream, true, sPassword, sPW, nPermission);
}
}
objTarget.CleanTempFile();
MessageBox.Show("完成指定設定。");
}
protected string EncriptarPDF(string Archivo)
{
string ArchivoE = "";
try
{
Random rnd = new Random();
string Key = DateTime.Now.AddMinutes(rnd.NextDouble()).ToString("yyyyMMMMddddHHmmssfffff");
//string Key = "Pruebas";
string CarpetaArchivo = Path.GetDirectoryName(Archivo);
ArchivoE = Path.Combine(CarpetaArchivo, Path.GetFileNameWithoutExtension(Archivo) + rnd.Next().ToString() + ".pdf");
using (Stream input = new FileStream(Archivo, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (Stream output = new FileStream(ArchivoE, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, true, null, Key, PdfWriter.ALLOW_PRINTING);
}
}
if (File.Exists(ArchivoE))
{
File.Delete(Archivo);
}
}
catch (Exception ex)
{
ArchivoE = "Error: " + ex.Message;
}
return(ArchivoE);
}
public static void AssertProtection(string filePath, FileAuthentication fileAuth, AuthenticationManager authenticationManager,
bool expectedIsEncrypted,
bool expectedDontEncryptMetadata,
bool expectedAllowAssembly = false,
bool expectedAllowCopy = false,
bool expectedAllowDegradedPrinting = false,
bool expectedAllowFillIn = false,
bool expectedAllowModifyAnnotations = false,
bool expectedAllowModifyContents = false,
bool expectedAllowPrinting = false,
bool expectedAllowScreenReaders = false)
{
using (var comparer = new PdfComparer(filePath, fileAuth, authenticationManager))
{
Assert.AreEqual(expectedIsEncrypted, comparer.pdfReader.IsEncrypted());
Assert.AreEqual(expectedDontEncryptMetadata, !comparer.pdfReader.IsMetadataEncrypted());
if (expectedAllowAssembly && expectedAllowCopy && expectedAllowDegradedPrinting && expectedAllowFillIn &&
expectedAllowModifyAnnotations && expectedAllowModifyContents && expectedAllowPrinting && expectedAllowScreenReaders)
{
Assert.IsTrue(comparer.pdfReader.IsOpenedWithFullPermissions);
}
else
{
Assert.AreEqual(expectedAllowAssembly, PdfEncryptor.IsAssemblyAllowed((int)comparer.pdfReader.Permissions));
Assert.AreEqual(expectedAllowCopy, PdfEncryptor.IsCopyAllowed((int)comparer.pdfReader.Permissions));
Assert.AreEqual(expectedAllowDegradedPrinting, PdfEncryptor.IsDegradedPrintingAllowed((int)comparer.pdfReader.Permissions));
Assert.AreEqual(expectedAllowFillIn, PdfEncryptor.IsFillInAllowed((int)comparer.pdfReader.Permissions));
Assert.AreEqual(expectedAllowModifyAnnotations, PdfEncryptor.IsModifyAnnotationsAllowed((int)comparer.pdfReader.Permissions));
Assert.AreEqual(expectedAllowModifyContents, PdfEncryptor.IsModifyContentsAllowed((int)comparer.pdfReader.Permissions));
Assert.AreEqual(expectedAllowPrinting, PdfEncryptor.IsPrintingAllowed((int)comparer.pdfReader.Permissions));
Assert.AreEqual(expectedAllowScreenReaders, PdfEncryptor.IsScreenReadersAllowed((int)comparer.pdfReader.Permissions));
}
}
}
public void EncryptPdf(string inputFile, string outputFile, string password)
{
try
{
using (Stream input = new FileStream(inputFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (Stream output = new FileStream(outputFile, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, PdfWriter.ENCRYPTION_AES_256, password, password, PdfWriter.ENCRYPTION_AES_256);
}
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
MessageBox.Show("Error Message: " + ex.Message + Environment.NewLine + "Inner Exception: "
+ ex.InnerException + Environment.NewLine + "Stack Trace: " + ex.StackTrace);
}
catch (Exception ex)
{
MessageBox.Show("Error Message: " + ex.Message + Environment.NewLine + "Inner Exception: "
+ ex.InnerException + Environment.NewLine + "Stack Trace: " + ex.StackTrace);
File.Delete(outputFile);
}
}
public void Replace(Object sender,
EventArgs e)
{
//Path to where you want the file to output
string outputFilePath = "C:/Users/eu725cj/Documents/test123.pdf";
//Path to where the pdf you want to modify is
string inputFilePath = "C:/Users/eu725cj/Documents/input1.pdf";
try
{
using (Stream inputPdfStream = new FileStream(inputFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))
//using (Stream outputPdfStream = new FileStream(outputFilePath, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
using (Stream outputPdfStream2 = new FileStream(outputFilePath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
{
string password = "******";
//Opens our outputted file for reading
var reader2 = new PdfReader(inputPdfStream);
//Encrypts the outputted PDF to make it not allow Copy or Pasting
PdfEncryptor.Encrypt(
reader2,
outputPdfStream2,
true,
null,
password,
PdfWriter.ALLOW_SCREENREADERS
);
//Creates the outputted final file
reader2.Close();
}
}
catch (Exception ex)
{
}
}
public void SendPDFEmail(string dt, string Email)
{
using (StringWriter sw = new StringWriter())
{
using (HtmlTextWriter hw = new HtmlTextWriter(sw))
{
StringReader sr = new StringReader(dt.ToString());
Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 10f, 0f);
HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
using (MemoryStream memoryStream = new MemoryStream())
{
PdfWriter writer = PdfWriter.GetInstance(pdfDoc, memoryStream);
pdfDoc.Open();
htmlparser.Parse(sr);
pdfDoc.Close();
byte[] bytes = memoryStream.ToArray();
memoryStream.Close();
using (MemoryStream inputData = new MemoryStream(bytes))
{
using (MemoryStream outputData = new MemoryStream())
{
string PDFFileword = "adt";//you can also generate Dynamic word
PdfReader reader = new PdfReader(inputData);
PdfEncryptor.Encrypt(reader, outputData, true, PDFPassword, PDFPassword, PdfWriter.ALLOW_SCREENREADERS);
bytes = outputData.ToArray();
try
{
var MsgBody = " Please find the attached pay slip for the month of " + PayslipMonth + " " + PayslipYear + ". Any queries, feel free to contact me." + Environment.NewLine + Environment.NewLine + "Thanks," + Environment.NewLine + "Sravani Tamma" + Environment.NewLine + "Executive-HR";
var Note = Environment.NewLine + "NOTE : Your PDF Passcode is your Date of Birth." + Environment.NewLine + "Ex: If your Birthday date like March 5th, 2010 Then PassCode :05/03/2010 ";
MailMessage message = new MailMessage();
SmtpClient smtp = new SmtpClient();
message.From = new MailAddress("*****@*****.**");
message.To.Add(new MailAddress(Email));
message.Subject = "Payslip for " + PayslipMonth;
message.Body = "Hi " + EmpName + "," + Environment.NewLine + Environment.NewLine + MsgBody + Environment.NewLine + Note;
message.Attachments.Add(new Attachment(new MemoryStream(bytes), NameOfPDF));
smtp.Port = 80;
smtp.Host = "smtpout.secureserver.net";
smtp.EnableSsl = false;
smtp.UseDefaultCredentials = false;
smtp.Credentials = new NetworkCredential("*****@*****.**", "123456aA");
smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
smtp.Send(message);
lblMsg.Text = "Mail sent successfully";
}
catch (Exception ex)
{
lblMsg.Text = "err: " + ex.Message;
}
}
}
}
}
}
}
protected void btnTestPDF_Click(object sender, EventArgs e)
{
using (Stream input = new FileStream(Server.MapPath("~/mockup/test.pdf"), FileMode.Open, FileAccess.Read, FileShare.Read))
using (Stream output = new FileStream(Server.MapPath("~/mockup/test_encrypted.pdf"), FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, true, "test", "test", PdfWriter.AllowPrinting);
}
}
static void EncryptPDF(string SrcPath, string OutPath, string passwd)
{
using (PdfReader reader = new PdfReader(SrcPath))
{
using (var os = new FileStream(OutPath, FileMode.Create))
{
PdfEncryptor.Encrypt(reader, os, true, passwd, passwd, PdfWriter.ALLOW_SCREENREADERS);
}
}
}
public void EncryptPdf(string sourcePdf, string outputPdfFile, string password)
{
using (Stream input = new FileStream(sourcePdf, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (Stream output = new FileStream(outputPdfFile, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, Encoding.ASCII.GetBytes(password), Encoding.ASCII.GetBytes(password), PdfWriter.AllowPrinting, true);
}
}
}
public ActionResult FileUpload(IFormFile files)
{
String FileExt = Path.GetExtension(files.FileName).ToUpper();
if (FileExt == ".PDF")
{
Stream fileStream = files.OpenReadStream();
var mStreamer = new MemoryStream(1000 * 1024);
mStreamer.SetLength(fileStream.Length);
fileStream.Read(mStreamer.GetBuffer(), 0, (int)fileStream.Length);
mStreamer.Seek(0, SeekOrigin.Begin);
byte[] bytes = mStreamer.GetBuffer();
FileStream fs = new FileStream(files.FileName, FileMode.Append, FileAccess.Write);
using (MemoryStream inputData = new MemoryStream(bytes))
{
using (MemoryStream outputData = new MemoryStream())
{
//ReaderProperties rp = new ReaderProperties();
iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(bytes, password);
var font = BaseFont.CreateFont(BaseFont.TIMES_BOLD, BaseFont.WINANSI, BaseFont.EMBEDDED);
byte[] watemarkedbytes = AddWatermark(bytes, font);
iTextSharp.text.pdf.PdfReader awatemarkreader = new iTextSharp.text.pdf.PdfReader(watemarkedbytes, password);
PdfEncryptor.Encrypt(awatemarkreader, outputData, true, "123456", "123456", PdfWriter.ALLOW_MODIFY_CONTENTS);
bytes = outputData.ToArray();
FileDetailsModel Fd = new Models.FileDetailsModel();
Fd.FileName = files.FileName;
Fd.FileContent = bytes;
SaveFileDetails(Fd);
return(File(bytes, "application/pdf"));
}
}
// ReaderProperties rp = new ReaderProperties(); rp.SetOwnerPassword(new System.Text.UTF8Encoding().GetBytes("123456"));
//iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(rp,str);
//PdfEncryptor.Encrypt(reader, Filebytes, true, "secret", "secret", PdfWriter.ALLOW_PRINTING);
//MemoryStream ObjememoryStream = new MemoryStream();
//byte[] output = Filebytes.ToArray();
//BinaryReader Br = new BinaryReader(Filebytes);
//Byte[] FileDet = Br.ReadBytes((Int32)str.Length);
}
else
{
ViewBag.FileStatus = "Invalid file format.";
return(View());
}
}
// Sending Mail to User with pdf Attachment
public static bool Sendmail(int orderid)
{
User user = UserHelper.GetUserByOrderId(orderid);
Candidate candidate = UserHelper.GetCandidateByOrderId(orderid);
string toAddress = user.Email;
bool isSent = false;
try
{
StringBuilder emailBody = new StringBuilder(ConstructMail.GetMailBody(Constant.STATUS_COMPLETE));
emailBody = emailBody.Replace(Constant.CONST_FIRSTNAME, user.FirstName);
emailBody = emailBody.Replace(Constant.CONST_LASTNAME, user.LastName);
string subject = Constant.CONST_ORDERCOMPLETE_SUBJECT;
subject = subject.Replace(Constant.CONST_ORDERID, orderid.ToString());
MailMessage mail = new MailMessage(ConfigurationManager.AppSettings["Email"].ToString(), toAddress, subject, emailBody.ToString());
mail.IsBodyHtml = true;
string PDF_File_Path = GetFilePath() + "\\" + orderid.ToString() + ".pdf";
FileStream stream = File.OpenRead(PDF_File_Path);
int length = Convert.ToInt32(stream.Length);
byte[] data = new byte[length];
stream.Read(data, 0, length);
stream.Close();
using (MemoryStream input = new MemoryStream(data)) {
using (MemoryStream output = new MemoryStream()) {
string password = candidate.Email;
PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, true, password, password, PdfWriter.ALLOW_SCREENREADERS);
data = output.ToArray();
}
}
mail.Attachments.Add(new Attachment(new MemoryStream(data), orderid + ".pdf"));
SmtpClient smtp = new SmtpClient();
smtp.Send(mail);
EmailSendLog emailSendLog = new EmailSendLog();
emailSendLog.OrderId = orderid;
emailSendLog.UserMailId = toAddress;
emailSendLog.InsertTime = DateTime.Now;
OrderHelper.SaveMailSendLog(emailSendLog);
isSent = true;
}
catch (Exception ex) { }
return(isSent);
}
public static void SetPassword(string pdfPath, string password, string outputPath)
{
pdfPath = pdfPath?.GetFullPath();
outputPath = outputPath?.GetFullPath();
using (Stream input = new FileStream(pdfPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (Stream output = new FileStream(outputPath, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, true, password, password, PdfWriter.ALLOW_SCREENREADERS);
}
}
}
public EncryptStatements(string accNumber, string statementPath, string encryptedPath)
{
var str = accNumber.Substring(5, 4);
HashedAccountNumber = accNumber.Replace(str, "####");
var path1 = statementPath;
var path2 = encryptedPath;
using (var isp = (Stream) new FileStream(path1, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var os = (Stream) new FileStream(path2, FileMode.Create, FileAccess.Write, FileShare.None))
PdfEncryptor.Encrypt(new PdfReader(isp), os, true, str, str, 512);
}
}
public static void AddPWtoPDFFile(string inputFile, string outputFile, string folder, string reviewerPassword, string ownerPassword)
{
string WorkingFolder = folder; // Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
string InputFile = Path.Combine(WorkingFolder, inputFile); // Path.Combine(WorkingFolder, "Test.pdf");
string OutputFile = Path.Combine(WorkingFolder, outputFile);
using (Stream input = new FileStream(InputFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (Stream output = new FileStream(OutputFile, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, true, reviewerPassword, ownerPassword, PdfWriter.ALLOW_SCREENREADERS);
}
}
}
public static byte[] set_password(byte[] pdfContent, string password)
{
if (string.IsNullOrEmpty(password))
{
return(pdfContent);
}
else
{
using (PdfReader reader = new PdfReader(pdfContent))
using (MemoryStream m = new MemoryStream())
{
PdfEncryptor.Encrypt(reader, m, true, password, password, PdfAWriter.ALLOW_SCREENREADERS);
return(m.ToArray());
}
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public async Task EncryptAsync(string pdfSource, string newPdfSavePath, string passWord)
{
await Task.Run(() =>
{
var reader = new PdfReader(pdfSource);
using (var os = new FileStream(newPdfSavePath, FileMode.Create))
{
var userPassword = Encoding.Default.GetBytes(passWord);
var ownerPassword = Encoding.Default.GetBytes(passWord);
var permissions = EncryptionConstants.ALLOW_PRINTING | EncryptionConstants.ALLOW_ASSEMBLY;
PdfEncryptor.Encrypt(reader, os,
new EncryptionProperties().SetStandardEncryption(userPassword, ownerPassword, permissions,
EncryptionConstants.ENCRYPTION_AES_256));
}
});
}
public static Byte[] AddPWtoPDFMemory(Byte[] pdfDocument, string reviewerPassword, string ownerPassword)
{
try
{
MemoryStream stream1 = new MemoryStream(pdfDocument);
MemoryStream output = new MemoryStream();
PdfReader input = new PdfReader(stream1.ToArray());
PdfEncryptor.Encrypt(input, output, true, reviewerPassword, ownerPassword, PdfWriter.ALLOW_SCREENREADERS);
return(output.ToArray());
}
catch (Exception ex)
{
return(null);
}
}
public byte[] PasswordProtect(byte[] bytes, string password)
{
if (string.IsNullOrWhiteSpace(password))
{
return(new byte[0]);
}
using (var input = new MemoryStream(bytes))
{
using (var output = new MemoryStream())
{
var reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, true, password, password, PdfWriter.ALLOW_SCREENREADERS);
return(output.ToArray());
}
}
}
/// <summary>
/// Set Password to a PDF file
/// </summary>
/// <param name="srcFile">source PDF file path</param>
/// <param name="dstFile">destination PDF file path</param>
/// <param name="ownerPassword">owner password</param>
/// <param name="userPassword">user password</param>
public static void SetPassword(string srcFile, string dstFile, string ownerPassword, string userPassword)
{
byte[] byteUSER = Encoding.ASCII.GetBytes(userPassword); // user password
byte[] byteOWNER = Encoding.ASCII.GetBytes(ownerPassword); // owner password
using (var reader = new PdfReader(srcFile))
{
using (var streamPDF = new FileStream(dstFile, FileMode.Create))
{
PdfEncryptor.Encrypt(reader,
streamPDF,
byteUSER,
byteOWNER,
PdfWriter.ALLOW_COPY | PdfWriter.ALLOW_PRINTING,
PdfWriter.STRENGTH128BITS);
}
}
}
public static Boolean SetPwd(String inputFile, String outputFile, String pwd)
{
Boolean r = false;
string WorkingFolder = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
string InputFile = inputFile.ToString();
string OutputFile = outputFile.ToString();
using (Stream input = new FileStream(InputFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (Stream output = new FileStream(OutputFile, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, true, pwd.ToString(), pwd.ToString(), PdfWriter.ALLOW_SCREENREADERS);
}
}
return(r);
}
public void Setup()
{
//System.IO.File.Copy(_fileNameSorgente, _fileNameDestinazione);
_reader = new PdfReader(_fileNameSorgente);
_stamper = new PdfStamper(_reader, new FileOutputStream(_fileNameDestinazione, true));
if (_reader.isEncrypted())
{
System.Diagnostics.Debug.Print(PdfEncryptor.getPermissionsVerbose(_reader.getPermissions()));
}
_stamper.setEncryption(new byte[] { }, new byte[] { },
PdfWriter.AllowPrinting | PdfWriter.AllowCopy | PdfWriter.AllowModifyContents | PdfWriter.AllowAssembly | PdfWriter.AllowDegradedPrinting | PdfWriter.AllowModifyAnnotations | PdfWriter.AllowFillIn | PdfWriter.AllowScreenReaders,
PdfWriter.STRENGTH128BITS);
_form = _stamper.getAcroFields();
_hTable = new Hashtable();
}
private string[] CreateEncryptedPDF(string sourceFile, string strFileName, string password)
{
string outputFile = "C:\\Data\\PDFTemp\\";
if (Directory.Exists(outputFile) == false)
{
Directory.CreateDirectory(outputFile);
}
outputFile += strFileName;
PdfReader pReader = new PdfReader(sourceFile);
int pages = pReader.NumberOfPages;
PdfEncryptor.Encrypt(pReader, new FileStream(outputFile, FileMode.Append), PdfWriter.ENCRYPTION_AES_128, password, null, PdfWriter.AllowPrinting);
string[] ret = new string[] { outputFile, pages.ToString() };
return(ret);
}
public string ProtectPdfStandard(string passwordUser, string passwordOwner, string namepathPDFIn, string namepathPDFOUT)
{
string error = string.Empty;
if (string.IsNullOrWhiteSpace(passwordUser))
{
return("Error: User Password not set");
}
if (string.IsNullOrWhiteSpace(passwordOwner))
{
return("Error: Owner Password not set");
}
if (string.IsNullOrWhiteSpace(namepathPDFIn))
{
return("Error: User Password not set");
}
if (string.IsNullOrWhiteSpace(namepathPDFOUT))
{
return("Error: Owner Password not set");
}
try
{
using (Stream inputStream = new FileStream(namepathPDFIn, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (Stream outputStream = new FileStream(namepathPDFOUT, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader reader = new PdfReader(inputStream);
// use bitwise AND to set / combine PDF permissioning
PdfEncryptor.Encrypt(reader, outputStream, true, passwordUser, passwordOwner,
PdfWriter.ALLOW_PRINTING | PdfWriter.ALLOW_SCREENREADERS);
}
}
}
catch (Exception ex)
{
error = ex.Message;
}
return(error);
}
// The bulk of the clean-up code is implemented in Dispose(bool)
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
// Free managed resources.
// Add producer as Little's PDF Merge using TextSharp
PdfString l = new PdfString("SuicSoft Little's PDF Merge 2.2.1 (http://www.suicsoft.com) using " + iTextSharp.text.Version.GetInstance().GetVersion);
c.Info.Put(PdfName.PRODUCER, l);
c.Info.Put(PdfName.CREATOR, l);
l = null;
// Dispose all resources that implement IDisposable
if (c != null)
{
c.Close();
c = null;
}
if (b != null)
{
b.Close();
b = null;
}
if (a != null)
{
a.Close();
if (Password != null)
{
using (Stream output = new FileStream(d, FileMode.Create, FileAccess.Write, FileShare.None))
{
using (PdfReader reader = new PdfReader(a.GetBuffer()))
{
PdfEncryptor.Encrypt(reader, output, true, Password.ToUnsecureString(), Password.ToUnsecureString(), PdfWriter.ALLOW_SCREENREADERS);
}
}
}
else
{
File.WriteAllBytes(d, a.GetBuffer());
}
a = null;
}
}
// Free native resources if there are any. But Doga isn't using them
}
static public string Create(string output_pdf, Dictionary <string, string> fields2value, System.Drawing.Image employee_signature, System.Drawing.Image preparer_signature, System.Drawing.Image employer_signature, string user_password, string owner_password)
{
PdfReader.unethicalreading = true;
PdfReader pr;
pr = new PdfReader(OriginPdf);
MemoryStream ms = new MemoryStream();
pr.RemoveUsageRights();
pr.SelectPages("7,8");
PdfStamper ps = new PdfStamper(pr, ms);
//String[] values = ps.AcroFields.GetAppearanceStates("form1[0].#subform[6].Checkbox1a[0]");
//string fs = "";
//foreach (KeyValuePair<string, AcroFields.Item> kvp in ps.AcroFields.Fields)
// //fs += "\n{\"" + kvp.Key + "\", \"\"},";
// fs += "\n{\"\", \"" + kvp.Key + "\"},";
foreach (KeyValuePair <string, string> kvp in fields2value)
{
set_field(ps.AcroFields, kvp.Key, kvp.Value);
}
ps.FormFlattening = true;
var pcb = ps.GetOverContent(1);
add_image(pcb, employee_signature, new System.Drawing.Point(140, 213));
add_image(pcb, preparer_signature, new System.Drawing.Point(180, 120));
pcb = ps.GetOverContent(2);
add_image(pcb, employer_signature, new System.Drawing.Point(60, 256));
add_image(pcb, employer_signature, new System.Drawing.Point(65, 30));
ps.Close();
pr.Close();
pr = new PdfReader(new MemoryStream(ms.GetBuffer()));
using (Stream output = new FileStream(output_pdf, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfEncryptor.Encrypt(pr, output, true, user_password, owner_password, PdfWriter.ALLOW_SCREENREADERS);
}
pr.Close();
return(output_pdf);
}
public bool EncryptPDF(string filepath, string password)
{
//string filepath = path;
string fileName = Path.GetFileNameWithoutExtension(filepath);
string ext = Path.GetExtension(filepath);
string path = Path.GetDirectoryName(filepath);
//Console.WriteLine("Press any key to stop..." + args[0].ToString());
// Console.ReadKey();
string WorkingFolder = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
string InputFile = Path.Combine(filepath);
string OutputFile = Path.Combine(path, fileName + "_enc" + ext);
using (Stream input = new FileStream(InputFile, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (Stream output = new FileStream(OutputFile, FileMode.Create, FileAccess.Write, FileShare.None))
{
PdfReader.unethicalreading = true;
PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, true, password, null, PdfWriter.ALLOW_SCREENREADERS);
}
}
// byte[] USER = Encoding.ASCII.GetBytes(password);
// byte[] OWNER = Encoding.ASCII.GetBytes("ownerpwd");
// PdfReader reader = new PdfReader(filepath);
// string newfile = path + fileName + "_encrpt" + ext;
//// reader.se = true;
// PdfStamper stamper = new PdfStamper(reader, new FileStream(newfile, FileMode.Create));
// stamper.SetEncryption(USER, OWNER, PdfWriter.AllowPrinting, PdfWriter.ENCRYPTION_AES_128);
// stamper.Close();
// reader.Close();
// reader = null;
if (File.Exists(filepath))
{
File.SetAttributes(filepath, FileAttributes.Normal);
File.Delete(filepath);
}
File.Move(OutputFile, filepath);
return(true);
}
public void Set(string arquivo, string senha)
{
var item = arquivo;
if (!File.Exists(item))
{
return;
}
try
{
EncryptionProperties encryptionProperties = new EncryptionProperties();
var senhabyte = Encoding.ASCII.GetBytes(senha);
encryptionProperties.SetStandardEncryption(senhabyte, senhabyte, EncryptionConstants.ALLOW_PRINTING, EncryptionConstants.ENCRYPTION_AES_128);
using (Stream input = new FileStream(item, FileMode.Open, FileAccess.Read, FileShare.Read))
{
var info = new FileInfo(item);
var nameFile = Path.GetFileName(arquivo);
var pdfencrypted = info.Directory + "\\encrypted.pdf";
using (Stream output = new FileStream(pdfencrypted, FileMode.Create, FileAccess.Write, FileShare.None))
{
iText.Kernel.Pdf.PdfReader reader = new PdfReader(input);
PdfEncryptor.Encrypt(reader, output, encryptionProperties);
}
// File.Delete(item);
// File.Move(pdfencrypted, item);
}
}
catch (iText.Kernel.PdfException e)
{
throw new Exception(e.Message);
}
}
private static byte[] EncryptPdf(byte[] pdfDoc)
{
PdfReader reader = null;
try
{
reader = new PdfReader(pdfDoc);
using (var output = new MemoryStream())
{
PdfEncryptor.Encrypt(reader, output, true, userPassword, ownerPassword, permision);
return(output.ToArray());
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
