public void Initialize()
{
this.currentDir = Directory.GetCurrentDirectory();
this.testRessources = Path.GetFullPath(currentDir + Path.DirectorySeparatorChar + ".." + Path.DirectorySeparatorChar + ".." + Path.DirectorySeparatorChar + "Testresources");
this.pdfRessources = testRessources + Path.DirectorySeparatorChar + "pdf" + Path.DirectorySeparatorChar;
this.outDir = Path.GetFullPath(currentDir + "testout");
Directory.CreateDirectory(outDir);
this.qpdf = new QpdfAdapter();
}
public void PdfEncryptExisting()
{
string password = "******";
string inPdf = "usdl4_match_keyword.pdf";
string sourcePdfFile = Path.Combine(this.pdfRessources, inPdf);
// Set source and target folders
string targetFolder = outDir;
string srcFolder = testRessources + Path.DirectorySeparatorChar + "tozip" + Path.DirectorySeparatorChar;
var method = System.Reflection.MethodBase.GetCurrentMethod().Name;
string targetFile = Path.Combine(targetFolder, string.Concat(DateTime.Now.ToString("yyyyMMdd"), "_" + method + "_encrypted.pdf"));
if (File.Exists(targetFile))
{
File.Delete(targetFile);
}
Assert.IsFalse(File.Exists(targetFile));
//call init
bool success = qpdf.init();
Assert.IsTrue(success);
Assert.IsTrue(qpdf.isInitialized());
Assert.AreNotEqual(qpdf.getContext(), IntPtr.Zero);
// read file
int error = qpdf.read(sourcePdfFile);
Assert.AreEqual(0, error);
Assert.IsFalse(qpdf.has_error());
error = qpdf.initWrite(targetFile);
Assert.AreEqual(0, error);
Assert.IsFalse(qpdf.has_error());
qpdf.setRestrictiveAes256EncryptionOptions(password);
Assert.IsFalse(qpdf.has_error(), "Error in lib after setting encryption options");
//call write compressed
error = qpdf.write(false);
Assert.AreEqual(0, error);
Assert.IsFalse(qpdf.has_error());
Assert.IsTrue(File.Exists(targetFile), "Target file does not exist");
FileInfo targetFileInfo = new FileInfo(targetFile);
Assert.IsNotNull(targetFileInfo, "Could not read target file info");
Assert.IsTrue(targetFileInfo.Length > 20000, "Target file is too small");
qpdf.cleanup();
Assert.AreEqual(qpdf.getContext(), IntPtr.Zero);
// read the file again and check if encrypted
this.qpdf = new QpdfAdapter();
success = qpdf.init();
Assert.IsTrue(success);
Assert.IsTrue(qpdf.isInitialized());
Assert.AreNotEqual(qpdf.getContext(), IntPtr.Zero);
error = qpdf.read(targetFile, password);
Assert.AreEqual(0, error, "PDF Read failed");
Assert.IsFalse(qpdf.has_error());
Assert.IsTrue(qpdf.isEncrypted(), "output file is not showing as encrypted after loading again");
qpdf.cleanup();
Assert.AreEqual(qpdf.getContext(), IntPtr.Zero);
}
