/// <summary>
/// Helper method for getting Zip password, and checking that it is valid
/// </summary>
protected DecryptResult GetZipPassword(IContentEncryptionUi ui)
{
string pwdDescription = string.Format(Resources.OpenPasswordRequired, DisplayShortName);
string pwd = ShortTermPasswordCache.Instance.TryGetPassword(m_Attachment, "Zip");
if (pwd == null)
{
DecryptResult result = ui.GetPassword(Name, Resources.ZipPassword, pwdDescription, out pwd);
if (result != DecryptResult.Ok)
{
return result;
}
if (string.IsNullOrEmpty(pwd))
{
throw new UnauthorizedAccessException("Zip password required");
}
}
OpenPassword = pwd;
ShortTermPasswordCache.Instance.AddPassword(m_Attachment, "Zip", pwd);
return DecryptResult.Ok;
}
/// <summary>
/// Helper method for getting Document Protection password, and checking that it is valid
/// </summary>
protected DecryptResult GetDocumentProtectionPassword(IContentEncryptionUi ui)
{
if( RequiresDocumentProtectionPassword && string.IsNullOrEmpty(DocumentProtectionPassword) )
{
// Check if there is an admin-defined default password
string defaultDocumentPassword = string.Empty;
if (this.AllowDefaultPassword)
{
defaultDocumentPassword = GetDefaultProtectionPassword();
}
// If no password, then show the UI and allow the user to enter one.
if( string.IsNullOrEmpty(defaultDocumentPassword) )
{
string pwdDescription = string.Format(Resources.DocumentProtectionPasswordRequired, ShortName);
string pwd = ShortTermPasswordCache.Instance.TryGetPassword(m_Attachment, "Protection");
if (pwd == null)
{
DecryptResult result = ui.GetPassword(Name, Resources.DocumentProtectionPassword, pwdDescription, out pwd);
if (result != DecryptResult.Ok)
{
return result;
}
if (string.IsNullOrEmpty(pwd))
{
throw new UnauthorizedAccessException("Document Protection password required");
}
}
DocumentProtectionPassword = pwd;
ShortTermPasswordCache.Instance.AddPassword(m_Attachment, "Protection", pwd);
}
else
{
DocumentProtectionPassword = defaultDocumentPassword;
}
}
return DecryptResult.Ok;
}