/// <summary>
/// Authenticates the specified document.
/// </summary>
/// <param name="decoder">The decoder.</param>
public static bool Authenticate(DecoderBase decoder)
{
// if authentication is required
if (decoder.IsAuthenticationRequired)
{
// get the document filename
string filename = null;
if (decoder.SourceStream != null && decoder.SourceStream is FileStream)
{
filename = ((FileStream)decoder.SourceStream).Name;
}
while (true)
{
// create the document password dialog
using (DocumentPasswordForm enterPasswordDialog = new DocumentPasswordForm())
{
enterPasswordDialog.Filename = filename;
// show the document password dialog
DialogResult showDialogResult = enterPasswordDialog.ShowDialog();
// if "OK" button is clicked
if (showDialogResult == DialogResult.OK)
{
DocumentAuthenticationRequest authenticationRequest = new DocumentAuthenticationRequest(
enterPasswordDialog.authenticateTypeComboBox.Text,
enterPasswordDialog.Password);
// uuthenticate the decoder
DocumentAuthorizationResult result = decoder.Authenticate(authenticationRequest);
// if user is NOT authorized
if (!result.IsAuthorized)
{
MessageBox.Show(
string.Format("The {0} password is incorrect.", enterPasswordDialog.authenticateTypeComboBox.Text),
"Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
// if user is authorized
else
{
if (enterPasswordDialog.authenticateTypeComboBox.Text != result.UserName)
{
MessageBox.Show(
string.Format("Authorized as: {0}", result.UserName),
"Authorization Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
break;
}
}
// if "Cancel" button is clicked
else
{
return(false);
}
}
}
}
return(true);
}
