private async Task EncodeFolder(IEnumerable <string> plainfolder, string rootpath = null)
{
foreach (var folder in plainfolder)
{
if (!Directory.Exists(folder))
{
Log("folder not found : {0}", folder);
continue;
}
var encparent = rootpath;
if (encparent == null)
{
encparent = Directory.GetParent(folder).FullName;
}
var plainfoldername = (folder.EndsWith("\\")) ? Path.GetDirectoryName(folder) : folder;
var i = plainfoldername.LastIndexOf('\\');
if (i >= 0)
{
plainfoldername = plainfoldername.Substring(i + 1);
}
var encfoldername = CryptCarotDAV.EncryptFilename(plainfoldername);
var encfolder = Path.Combine(encparent, encfoldername);
if (Directory.Exists(encfolder))
{
Log("Exists : {0}", encfolder);
continue;
}
try
{
Directory.CreateDirectory(encfolder);
}
catch (Exception ex)
{
Log("CreateDirectory failed : {0} {1}", encfolder, ex.Message);
continue;
}
Log("OK : {0}->{1}", folder, encfolder);
// subitems
var subfiles = Directory.GetFiles(folder);
var subdirs = Directory.GetDirectories(folder);
await EncodeFile(subfiles, encfolder);
await EncodeFolder(subdirs, encfolder);
}
}
private async Task EncodeFile(IEnumerable <string> plainfiles, string rootpath = null)
{
foreach (var file in plainfiles)
{
if (!File.Exists(file))
{
Log("file not found : {0}", file);
continue;
}
var encfilepath = rootpath;
if (encfilepath == null)
{
encfilepath = Path.GetDirectoryName(file);
}
var plainfilename = Path.GetFileName(file);
var encfilename = CryptCarotDAV.EncryptFilename(plainfilename);
var encfile = Path.Combine(encfilepath, encfilename);
if (File.Exists(encfile))
{
Log("Exists : {0}", encfile);
continue;
}
using (var pfile = File.OpenRead(file))
using (var efile = File.OpenWrite(encfile))
using (var cfile = new CryptCarotDAV.CryptCarotDAV_CryptStream(pfile))
{
try
{
await cfile.CopyToAsync(efile, 81920, cts.Token);
}
catch (Exception ex)
{
Log("Encode Error : {0}->{1} {2}", file, encfile, ex.Message);
continue;
}
}
Log("OK : {0}->{1}", file, encfile);
}
}
