public static void EncryptFile(ProgressContext progress, Action<string, ProgressContext> failure)
{
CreatePassphraseViewController passphraseController = new CreatePassphraseViewController {
EncryptedFileName = DateTime.Now.ToString("yyyyMMddHHmmss")
};
NSOpenPanel open = new NSOpenPanel {
AccessoryView = passphraseController.View,
AllowsMultipleSelection = false,
CanChooseDirectories = false,
CanChooseFiles = true,
CanSelectHiddenExtension = true,
CollectionBehavior = NSWindowCollectionBehavior.Transient,
ExtensionHidden = true,
Message = "Please select the file you would like to encrypt",
Prompt = "Encrypt file",
Title = "Encrypt",
TreatsFilePackagesAsDirectories = false,
};
open.Begin(result => {
if (result == 0 || open.Urls.Length == 0) return;
if (!open.Urls[0].IsFileUrl) return;
string sourceFilePath = open.Urls[0].Path;
open.Close();
IRuntimeFileInfo sourceFile = OS.Current.FileInfo(sourceFilePath);
Passphrase passphrase = passphraseController.VerifiedPassphrase;
if (passphrase == null) return;
IRuntimeFileInfo targetFile = GetTargetFileName(sourceFilePath, passphraseController.EncryptedFileName);
ThreadPool.QueueUserWorkItem(delegate {
using(new NSAutoreleasePool()) {
AxCryptFile.EncryptFileWithBackupAndWipe(sourceFile, targetFile, passphrase.DerivedPassphrase, progress);
};
});
});
}