/* ----------------------------------------------------------------- */
///
/// Create
///
/// <summary>
/// Creates a new instance of the PdfiumReader class with the
/// specified arguments.
/// </summary>
///
/// <param name="src">Path of the PDF file.</param>
/// <param name="qv">Password string or query.</param>
/// <param name="fullaccess">Requires full access.</param>
/// <param name="io">I/O handler.</param>
///
/// <returns>PdfiumReader object.</returns>
///
/* ----------------------------------------------------------------- */
public static PdfiumReader Create(string src,
QueryMessage <IQuery <string, string>, string> qv, bool fullaccess, IO io)
{
var dest = new PdfiumReader(src, io);
while (true)
{
try
{
dest.Load(qv.Value);
var denied = fullaccess && dest.File is PdfFile pf && !pf.FullAccess;
if (denied)
{
throw new LoadException(LoadStatus.PasswordError);
}
return(dest);
}
catch (LoadException err)
{
if (err.Status != LoadStatus.PasswordError)
{
throw;
}
var args = qv.Query.RequestPassword(src);
if (!args.Cancel)
{
qv.Value = args.Value;
}
else
{
throw new OperationCanceledException();
}
}
}
}
/* ----------------------------------------------------------------- */
///
/// Create
///
/// <summary>
/// Creates a new instance of the PdfiumReader class with the
/// specified arguments.
/// </summary>
///
/// <param name="src">Path of the PDF file.</param>
/// <param name="query">Password query.</param>
/// <param name="fullaccess">Requires full access.</param>
/// <param name="io">I/O handler.</param>
///
/// <returns>PdfiumReader object.</returns>
///
/* ----------------------------------------------------------------- */
public static PdfiumReader Create(string src, IQuery <string> query, bool fullaccess, IO io)
{
var dest = new PdfiumReader(src, io);
var pass = (query as QueryValue <string>)?.Value ?? string.Empty;
while (true)
{
try
{
dest.Load(pass);
var denied = fullaccess && dest.File is PdfFile pf && !pf.FullAccess;
if (denied)
{
throw new LoadException(LoadStatus.PasswordError);
}
return(dest);
}
catch (LoadException err)
{
if (err.Status != LoadStatus.PasswordError)
{
throw;
}
if (query is QueryValue <string> )
{
throw new EncryptionException(err.Message, err);
}
var args = query.RequestPassword(src);
if (!args.Cancel)
{
pass = args.Result;
}
else
{
throw new OperationCanceledException();
}
}
}
}
/* ----------------------------------------------------------------- */
///
/// Load
///
/// <summary>
/// Loads the PDF document with the specified arguments.
/// </summary>
///
/* ----------------------------------------------------------------- */
private static void Load(string src,
PdfiumReader dest,
QueryMessage <IQuery <string>, string> password,
OpenOption options
)
{
while (true)
{
try
{
dest.Load(password.Value);
var denied = options.FullAccess && dest.File is PdfFile f && !f.FullAccess;
if (denied)
{
throw new PdfiumException(PdfiumStatus.PasswordError);
}
else
{
return;
}
}
catch (PdfiumException err)
{
if (err.Status != PdfiumStatus.PasswordError)
{
throw;
}
var msg = password.Source.Request(src);
if (!msg.Cancel)
{
password.Value = msg.Value;
}
else
{
throw new OperationCanceledException("Password");
}
}
}
}
