// This function adds a zip encryption entry for a Zip Action content item.
internal void AddZipActionEncryptor(string contentId, string filename, string password)
{
try
{
byte[] data = { 0 };
// Create a ZipEncryption to store the password.
IContentEncryption encryption = new ZipEncryption(
new Attachment(filename, "ZIP", contentId, "-1", false),
new FCS.Lite.Interface.File(new SharedBinaryData(data), filename))
{
OpenPassword = password
};
AssociateEncryptorWithData(contentId, encryption);
}
catch (Exception e)
{
Logger.LogError(e);
}
}
/// <summary>
/// Creates a default encryption object given the object type
/// </summary>
private IContentEncryption CreateEncryptionObject(Attachment attachment, IContentEncryption defaultEncryptor)
{
IContentEncryption result = null;
// Create an encryption object and associate it with the attachment's name
Workshare.FCS.Lite.Interface.File file = new Workshare.FCS.Lite.Interface.File(attachment.File.FileName, attachment.File.DisplayName);
switch (file.FileType)
{
case FileType.ZIP:
result = new ZipEncryption(attachment, file);
break;
case FileType.WordDocument:
case FileType.WordDocumentX:
case FileType.WordDocumentMacroX:
case FileType.WordDocumentTemplateX:
case FileType.WordDocumentMacroTemplateX:
case FileType.RTFDocument:
result = new WordEncryption(attachment, file);
break;
case FileType.ExcelSheet:
case FileType.ExcelSheetX:
case FileType.ExcelSheetMacroX:
case FileType.ExcelSheetTemplateX:
case FileType.ExcelSheetMacroTemplateX:
result = new ExcelEncryption(attachment, file);
break;
case FileType.PowerPoint:
case FileType.PowerPointX:
case FileType.PowerPointMacroX:
case FileType.PowerPointTemplateX:
case FileType.PowerPointMacroTemplateX:
case FileType.PowerPointShowX:
case FileType.PowerPointMacroShowX:
if (!OfficeApplicationVersion.IsPowerPointXP())
{
result = new PowerPointEncryption(attachment, file);
}
break;
case FileType.PDFDocument:
result = new PDFEncryption(attachment, file);
break;
}
// See GetAssociatedEncryptionObject.
// If teh file type has been changed by an action (e.g. PDF) then we recreate the encryption
// object and copy over the old password fields. However, if we are zipping up the documents
// then we aren't changing their file type and should not enrypt the container.
if( defaultEncryptor != null && file.FileType != FileType.ZIP )
{
// Copy across the passwords to the new encryption object
result.ModifyPassword = defaultEncryptor.ModifyPassword;
result.OpenPassword = defaultEncryptor.OpenPassword;
result.AllowDefaultPassword = defaultEncryptor.AllowDefaultPassword;
result.WasReadOnly = defaultEncryptor.WasReadOnly;
}
return result;
}
