static void Main(string[] args)
{
foreach (var fileName in args)
{
var pzi = new PersistentZoneIdentifier();
pzi.Load(fileName, StorageMode.Read);
pzi.Remove();
}
}
public static void SetUrlZone (string fileName, UrlZone urlZone)
{
var persistentZoneId = new PersistentZoneIdentifier();
try {
var zoneId = (IZoneIdentifier)persistentZoneId;
var persistFile = (IPersistFile)persistentZoneId;
zoneId.SetId(urlZone);
persistFile.Save(fileName, false);
}
finally {
Marshal.ReleaseComObject(persistentZoneId);
}
}
public static void SetUrlZone(string fileName, UrlZone urlZone)
{
var persistentZoneId = new PersistentZoneIdentifier();
try {
var zoneId = (IZoneIdentifier)persistentZoneId;
var persistFile = (IPersistFile)persistentZoneId;
zoneId.SetId(urlZone);
persistFile.Save(fileName, false);
}
finally {
Marshal.ReleaseComObject(persistentZoneId);
}
}
public static void RemoveUrlZone (string fileName)
{
var persistentZoneId = new PersistentZoneIdentifier();
try {
var zoneId = (IZoneIdentifier)persistentZoneId;
var persistFile = (IPersistFile)persistentZoneId;
try {
zoneId.Remove();
persistFile.Save(fileName, false);
}
catch (COMException) {} // E_FAIL if no MOTW
}
finally {
Marshal.ReleaseComObject(persistentZoneId);
}
}
public static bool UnblockFile(string absPath)
{
var pzi = new PersistentZoneIdentifier();
try {
pzi.Load(absPath, StorageMode.Read | StorageMode.ShareExclusive);
}
catch (FileNotFoundException) {
// not blocked
return(false);
}
pzi.Remove();
pzi.Save(absPath, false);
return(true);
}
public static void RemoveUrlZone(string fileName)
{
var persistentZoneId = new PersistentZoneIdentifier();
try {
var zoneId = (IZoneIdentifier)persistentZoneId;
var persistFile = (IPersistFile)persistentZoneId;
try {
zoneId.Remove();
persistFile.Save(fileName, false);
}
catch (COMException) {} // E_FAIL if no MOTW
}
finally {
Marshal.ReleaseComObject(persistentZoneId);
}
}
public static UrlZone GetUrlZone (string fileName)
{
var persistentZoneId = new PersistentZoneIdentifier();
try {
var zoneId = (IZoneIdentifier)persistentZoneId;
var persistFile = (IPersistFile)persistentZoneId;
try {
persistFile.Load(fileName, 0);
return zoneId.GetId();
}
catch (FileNotFoundException) { // if no MOTW, loading fails
return UrlZone.LocalMachine;
}
}
finally {
Marshal.ReleaseComObject(persistentZoneId);
}
}
public static UrlZone GetUrlZone(string fileName)
{
var persistentZoneId = new PersistentZoneIdentifier();
try {
var zoneId = (IZoneIdentifier)persistentZoneId;
var persistFile = (IPersistFile)persistentZoneId;
try {
persistFile.Load(fileName, 0);
return(zoneId.GetId());
}
catch (FileNotFoundException) { // if no MOTW, loading fails
return(UrlZone.LocalMachine);
}
}
finally {
Marshal.ReleaseComObject(persistentZoneId);
}
}
static int Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("UnblockZoneIdentifier (c) 2012 Matt Ellis");
Console.WriteLine("Removes the internet zone identifier from downloaded files");
Console.WriteLine();
Console.WriteLine("Usage:");
Console.WriteLine("\tUnblockZoneIdentifier.exe <filenames>");
Console.WriteLine();
return(0);
}
var currentDiretory = Directory.GetCurrentDirectory();
foreach (var filename in args)
{
if (!File.Exists(filename))
{
Console.WriteLine("Cannot find file: «{0}»", filename);
continue;
}
var fullFilename = Path.Combine(currentDiretory, filename);
var persistentZoneIdentifier = new PersistentZoneIdentifier();
var persistFile = (IPersistFile)persistentZoneIdentifier;
try
{
persistFile.Load(fullFilename, (int)(STGM.READWRITE | STGM.SHARE_EXCLUSIVE));
}
catch (FileNotFoundException e)
{
// When calling persistFile.Load, the object tries to open filename:Zone.Identifier
// So, if the file doesn't have an identifier, we get a file not found, and there's
// nothing more we can do. Since we've tried to open the alternate data stream, we
// can't seem to set the identifier, either. I think you need to use
// IAttachmentExecute.SetSource to set the url which dictates the security zone
Console.WriteLine("File «{0}» is not blocked", fullFilename);
continue;
}
catch (Exception e)
{
Console.WriteLine("Error opening «{0}»: {1}", fullFilename, e.Message);
continue;
}
var zoneIdentifier = (IZoneIdentifier)persistentZoneIdentifier;
var zone = zoneIdentifier.GetId();
if (zone == UrlZone.LocalMachine)
{
Console.WriteLine("File «{0}» is not blocked", fullFilename);
continue;
}
// zoneIdentifier.Remove doesn't work, failing with an access denied, I have no idea why.
// Calling SetId and Save opens the alternate data stream and deletes it just fine
zoneIdentifier.SetId(UrlZone.LocalMachine);
try
{
persistFile.Save(fullFilename, true);
Console.WriteLine("File «{0}» ({1}) has been unblocked", fullFilename, zone);
}
catch (COMException e)
{
if (e.ErrorCode == AccessDenied)
{
Console.WriteLine("Cannot update «{0}» - check permissions, or run as administrator", fullFilename);
}
else
{
Console.WriteLine("Error updating «{0}»: {1}", filename, e.Message);
}
}
finally
{
Marshal.ReleaseComObject(persistFile);
Marshal.ReleaseComObject(zoneIdentifier);
}
}
return(0);
}
