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// Copyright (C) 2015, The Duplicati Team
// http://www.duplicati.com, info@duplicati.com
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
namespace Duplicati.CommandLine.RecoveryTool
{
public static class Download
{
public static int Run(List<string> args, Dictionary<string, string> options, Library.Utility.IFilter filter)
{
if (args.Count != 3)
{
Console.WriteLine("Invalid argument count ({0} expected 3): {1}{2}", args.Count, Environment.NewLine, string.Join(Environment.NewLine, args));
return 100;
}
using(var backend = Library.DynamicLoader.BackendLoader.GetBackend(args[1], options))
{
if (backend == null)
{
Console.WriteLine("Backend not found: {0}{1}Backends supported: {2}", args[1], Environment.NewLine, string.Join(", ", Library.DynamicLoader.BackendLoader.Keys));
return 100;
}
var targetfolder = Path.GetFullPath(args[2]);
if (!Directory.Exists(args[2]))
{
Console.WriteLine("Creating target folder: {0}", targetfolder);
Directory.CreateDirectory(targetfolder);
}
Console.WriteLine("Listing files on backend: {0} ...", backend.ProtocolKey);
var lst = backend.List().ToList();
Console.WriteLine("Found {0} files", lst.Count);
var i = 0;
var downloaded = 0;
var errors = 0;
var needspass = 0;
string passphrase;
options.TryGetValue("passphrase", out passphrase);
foreach(var file in lst)
{
try
{
Console.Write("{0}: {1}", i, file.Name);
var p = Duplicati.Library.Main.Volumes.VolumeBase.ParseFilename(file);
if (p == null)
{
Console.WriteLine(" - Not a Duplicati file, ignoring");
continue;
}
var local = Path.Combine(targetfolder, file.Name);
if (p.EncryptionModule != null)
{
if (string.IsNullOrWhiteSpace(passphrase))
{
needspass++;
Console.WriteLine(" - No passphrase supplied, skipping");
continue;
}
local = local.Substring(0, local.Length - p.EncryptionModule.Length - 1);
}
if (p.FileType != Duplicati.Library.Main.RemoteVolumeType.Blocks && p.FileType != Duplicati.Library.Main.RemoteVolumeType.Files)
{
Console.WriteLine(" - Filetype {0}, skipping", p.FileType);
continue;
}
if (File.Exists(local))
{
Console.WriteLine(" - Already exists, skipping");
continue;
}
Console.Write(" - downloading ({0})...", Library.Utility.Utility.FormatSizeString(file.Size));
using(var tf = new Library.Utility.TempFile())
{
backend.Get(file.Name, tf);
if (p.EncryptionModule != null)
{
Console.Write(" - decrypting ...");
using(var m = Library.DynamicLoader.EncryptionLoader.GetModule(p.EncryptionModule, passphrase, options))
using(var tf2 = new Library.Utility.TempFile())
{
m.Decrypt(tf, tf2);
File.Copy(tf2, local);
}
}
else
File.Copy(tf, local);
}
Console.WriteLine(" done!");
}
catch(Exception ex)
{
Console.WriteLine(" error: {0}", ex.ToString());
errors++;
}
i++;
}
if (needspass > 0 && downloaded == 0)
{
Console.WriteLine("No files downloaded, try adding --passphrase to decrypt files");
return 100;
}
Console.WriteLine("Download complete, of {0} remote files, {1} were downloaded with {2} errors", lst.Count, downloaded, errors);
if (needspass > 0)
Console.WriteLine("Additonally {0} remote files were skipped because of encryption, supply --passphrase to download those");
if (errors > 0)
return 200;
else
return 0;
}
}
}
}
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