mirror of
https://github.com/aaru-dps/Aaru.git
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683 lines
28 KiB
C#
683 lines
28 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : ExtractFiles.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Commands.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Implements the 'extract' command.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2023 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.CommandLine;
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using System.CommandLine.NamingConventionBinder;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Text;
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using Aaru.CommonTypes;
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using Aaru.CommonTypes.Enums;
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using Aaru.CommonTypes.Interfaces;
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using Aaru.CommonTypes.Structs;
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using Aaru.Console;
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using Aaru.Core;
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using Aaru.Localization;
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using JetBrains.Annotations;
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using Spectre.Console;
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using FileAttributes = Aaru.CommonTypes.Structs.FileAttributes;
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namespace Aaru.Commands.Filesystem;
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sealed class ExtractFilesCommand : Command
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{
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const long BUFFER_SIZE = 16777216;
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public ExtractFilesCommand() : base("extract", UI.Filesystem_Extract_Command_Description)
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{
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Add(new Option<string>(new[]
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{
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"--encoding", "-e"
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}, () => null, UI.Name_of_character_encoding_to_use));
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Add(new Option<string>(new[]
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{
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"--options", "-O"
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}, () => null, UI.Comma_separated_name_value_pairs_of_filesystem_options));
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Add(new Option<bool>(new[]
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{
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"--xattrs", "-x"
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}, () => false, UI.Extract_extended_attributes_if_present));
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Add(new Option<string>(new[]
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{
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"--namespace", "-n"
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}, () => null, UI.Namespace_to_use_for_filenames));
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AddArgument(new Argument<string>
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{
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Arity = ArgumentArity.ExactlyOne,
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Description = UI.Disc_image_path,
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Name = "image-path"
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});
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AddArgument(new Argument<string>
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{
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Arity = ArgumentArity.ExactlyOne,
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Description = UI.Directory_where_extracted_files_will_be_created,
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Name = "output-dir"
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});
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Handler = CommandHandler.Create(GetType().GetMethod(nameof(Invoke)));
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}
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public static int Invoke(bool debug, bool verbose, string encoding, bool xattrs, string imagePath,
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string @namespace, string outputDir, string options)
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{
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MainClass.PrintCopyright();
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if(debug)
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{
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IAnsiConsole stderrConsole = AnsiConsole.Create(new AnsiConsoleSettings
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{
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Out = new AnsiConsoleOutput(System.Console.Error)
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});
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AaruConsole.DebugWriteLineEvent += (format, objects) =>
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{
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if(objects is null)
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stderrConsole.MarkupLine(format);
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else
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stderrConsole.MarkupLine(format, objects);
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};
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}
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if(verbose)
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AaruConsole.WriteEvent += (format, objects) =>
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{
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if(objects is null)
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AnsiConsole.Markup(format);
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else
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AnsiConsole.Markup(format, objects);
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};
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Statistics.AddCommand("extract-files");
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AaruConsole.DebugWriteLine("Extract-Files command", "--debug={0}", debug);
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AaruConsole.DebugWriteLine("Extract-Files command", "--encoding={0}", encoding);
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AaruConsole.DebugWriteLine("Extract-Files command", "--input={0}", imagePath);
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AaruConsole.DebugWriteLine("Extract-Files command", "--options={0}", options);
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AaruConsole.DebugWriteLine("Extract-Files command", "--output={0}", outputDir);
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AaruConsole.DebugWriteLine("Extract-Files command", "--verbose={0}", verbose);
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AaruConsole.DebugWriteLine("Extract-Files command", "--xattrs={0}", xattrs);
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var filtersList = new FiltersList();
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IFilter inputFilter = null;
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Identifying_file_filter).IsIndeterminate();
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inputFilter = filtersList.GetFilter(imagePath);
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});
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Dictionary<string, string> parsedOptions = Core.Options.Parse(options);
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AaruConsole.DebugWriteLine("Extract-Files command", UI.Parsed_options);
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foreach(KeyValuePair<string, string> parsedOption in parsedOptions)
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AaruConsole.DebugWriteLine("Extract-Files command", "{0} = {1}", parsedOption.Key, parsedOption.Value);
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parsedOptions.Add("debug", debug.ToString());
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if(inputFilter == null)
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{
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AaruConsole.ErrorWriteLine(UI.Cannot_open_specified_file);
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return (int)ErrorNumber.CannotOpenFile;
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}
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Encoding encodingClass = null;
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if(encoding != null)
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try
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{
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encodingClass = Claunia.Encoding.Encoding.GetEncoding(encoding);
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if(verbose)
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AaruConsole.VerboseWriteLine(UI.encoding_for_0, encodingClass.EncodingName);
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}
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catch(ArgumentException)
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{
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AaruConsole.ErrorWriteLine(UI.Specified_encoding_is_not_supported);
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return (int)ErrorNumber.EncodingUnknown;
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}
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PluginBase plugins = PluginBase.Singleton;
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try
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{
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IMediaImage imageFormat = null;
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IBaseImage baseImage = null;
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Identifying_image_format).IsIndeterminate();
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baseImage = ImageFormat.Detect(inputFilter);
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imageFormat = baseImage as IMediaImage;
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});
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if(baseImage == null)
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{
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AaruConsole.WriteLine(UI.Image_format_not_identified_not_proceeding_with_file_extraction);
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return (int)ErrorNumber.UnrecognizedFormat;
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}
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if(imageFormat == null)
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{
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AaruConsole.WriteLine(UI.Command_not_supported_for_this_image_type);
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return (int)ErrorNumber.InvalidArgument;
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}
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if(verbose)
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AaruConsole.VerboseWriteLine(UI.Image_format_identified_by_0_1, imageFormat.Name, imageFormat.Id);
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else
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AaruConsole.WriteLine(UI.Image_format_identified_by_0, imageFormat.Name);
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if(outputDir == null)
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{
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AaruConsole.WriteLine(UI.Output_directory_missing);
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return (int)ErrorNumber.MissingArgument;
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}
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if(Directory.Exists(outputDir) ||
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File.Exists(outputDir))
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{
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AaruConsole.ErrorWriteLine(UI.Destination_exists_aborting);
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return (int)ErrorNumber.FileExists;
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}
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Directory.CreateDirectory(outputDir);
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try
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{
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ErrorNumber opened = ErrorNumber.NoData;
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Invoke_Opening_image_file).IsIndeterminate();
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opened = imageFormat.Open(inputFilter);
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});
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if(opened != ErrorNumber.NoError)
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{
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AaruConsole.WriteLine(UI.Unable_to_open_image_format);
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AaruConsole.WriteLine(Localization.Core.Error_0, opened);
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return (int)opened;
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}
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AaruConsole.DebugWriteLine("Extract-Files command", UI.Correctly_opened_image_file);
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AaruConsole.DebugWriteLine("Extract-Files command", UI.Image_without_headers_is_0_bytes,
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imageFormat.Info.ImageSize);
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AaruConsole.DebugWriteLine("Extract-Files command", UI.Image_has_0_sectors, imageFormat.Info.Sectors);
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AaruConsole.DebugWriteLine("Extract-Files command", UI.Image_identifies_disk_type_as_0,
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imageFormat.Info.MediaType);
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Statistics.AddMediaFormat(imageFormat.Format);
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Statistics.AddMedia(imageFormat.Info.MediaType, false);
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Statistics.AddFilter(inputFilter.Name);
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}
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catch(Exception ex)
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{
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AaruConsole.ErrorWriteLine(UI.Unable_to_open_image_format);
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AaruConsole.ErrorWriteLine(Localization.Core.Error_0, ex.Message);
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return (int)ErrorNumber.CannotOpenFormat;
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}
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List<Partition> partitions = null;
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Enumerating_partitions).IsIndeterminate();
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partitions = Core.Partitions.GetAll(imageFormat);
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});
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Core.Partitions.AddSchemesToStats(partitions);
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if(partitions.Count == 0)
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{
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AaruConsole.DebugWriteLine("Ls command", UI.No_partitions_found);
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partitions.Add(new Partition
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{
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Description = Localization.Core.Whole_device,
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Length = imageFormat.Info.Sectors,
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Offset = 0,
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Size = imageFormat.Info.SectorSize * imageFormat.Info.Sectors,
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Sequence = 1,
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Start = 0
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});
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}
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AaruConsole.WriteLine(UI._0_partitions_found, partitions.Count);
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for(int i = 0; i < partitions.Count; i++)
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{
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AaruConsole.WriteLine();
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AaruConsole.WriteLine($"[bold]{string.Format(UI.Partition_0, partitions[i].Sequence)}[/]");
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List<string> idPlugins = null;
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Identifying_filesystems_on_partition).IsIndeterminate();
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Core.Filesystems.Identify(imageFormat, out idPlugins, partitions[i]);
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});
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if(idPlugins.Count == 0)
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AaruConsole.WriteLine(UI.Filesystem_not_identified);
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else
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{
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Type pluginType;
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ErrorNumber error = ErrorNumber.InvalidArgument;
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if(idPlugins.Count > 1)
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{
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AaruConsole.WriteLine($"[italic]{string.Format(UI.Identified_by_0_plugins, idPlugins.Count)
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}[/]");
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foreach(string pluginName in idPlugins)
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if(plugins.ReadOnlyFilesystems.TryGetValue(pluginName, out pluginType))
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{
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AaruConsole.WriteLine($"[bold]{string.Format(UI.As_identified_by_0, pluginType.Name)
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}[/]");
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if(Activator.CreateInstance(pluginType) is not IReadOnlyFilesystem fs)
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continue;
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Mounting_filesystem).IsIndeterminate();
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error = fs.Mount(imageFormat, partitions[i], encodingClass, parsedOptions,
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@namespace);
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});
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if(error == ErrorNumber.NoError)
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{
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string volumeName = string.IsNullOrEmpty(fs.Metadata.VolumeName) ? "NO NAME"
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: fs.Metadata.VolumeName;
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ExtractFilesInDir("/", fs, volumeName, outputDir, xattrs);
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Statistics.AddFilesystem(fs.Metadata.Type);
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}
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else
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AaruConsole.ErrorWriteLine(UI.Unable_to_mount_volume_error_0, error.ToString());
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}
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}
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else
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{
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plugins.ReadOnlyFilesystems.TryGetValue(idPlugins[0], out pluginType);
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if(pluginType == null ||
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Activator.CreateInstance(pluginType) is not IReadOnlyFilesystem fs)
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continue;
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AaruConsole.WriteLine($"[bold]{string.Format(UI.Identified_by_0, pluginType.Name)}[/]");
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Mounting_filesystem).IsIndeterminate();
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error = fs.Mount(imageFormat, partitions[i], encodingClass, parsedOptions, @namespace);
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});
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if(error == ErrorNumber.NoError)
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{
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string volumeName = string.IsNullOrEmpty(fs.Metadata.VolumeName) ? "NO NAME"
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: fs.Metadata.VolumeName;
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ExtractFilesInDir("/", fs, volumeName, outputDir, xattrs);
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Statistics.AddFilesystem(fs.Metadata.Type);
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}
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else
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AaruConsole.ErrorWriteLine(UI.Unable_to_mount_volume_error_0, error.ToString());
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}
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}
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}
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}
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catch(Exception ex)
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{
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AaruConsole.ErrorWriteLine(string.Format(UI.Error_reading_file_0, ex.Message));
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AaruConsole.DebugWriteLine("Extract-Files command", ex.StackTrace);
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return (int)ErrorNumber.UnexpectedException;
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}
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return (int)ErrorNumber.NoError;
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}
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static void ExtractFilesInDir(string path, [NotNull] IReadOnlyFilesystem fs, string volumeName, string outputDir,
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bool doXattrs)
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{
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if(path.StartsWith('/'))
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path = path[1..];
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ErrorNumber error = fs.ReadDir(path, out List<string> directory);
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if(error != ErrorNumber.NoError)
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{
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AaruConsole.ErrorWriteLine(UI.Error_0_reading_directory_1, error.ToString(), path);
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return;
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}
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foreach(string entry in directory)
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{
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FileEntryInfo stat = new();
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Retrieving_file_information).IsIndeterminate();
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error = fs.Stat(path + "/" + entry, out stat);
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});
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if(error == ErrorNumber.NoError)
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{
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string outputPath;
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if(stat.Attributes.HasFlag(FileAttributes.Directory))
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{
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outputPath = Path.Combine(outputDir, fs.Metadata.Type, volumeName, path, entry);
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if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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outputPath = outputPath.Replace('<', '\uFF1C').Replace('>', '\uFF1E').Replace(':', '\uFF1A').
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Replace('\"', '\uFF02').Replace('|', '\uFF5C').Replace('?', '\uFF1F').
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Replace('*', '\uFF0A').Replace('/', '\\');
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Directory.CreateDirectory(outputPath);
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AaruConsole.WriteLine(UI.Created_subdirectory_at_0, Markup.Escape(outputPath));
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ExtractFilesInDir(path + "/" + entry, fs, volumeName, outputDir, doXattrs);
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var di = new DirectoryInfo(outputPath);
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#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
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try
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{
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if(stat.CreationTimeUtc.HasValue)
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di.CreationTimeUtc = stat.CreationTimeUtc.Value;
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}
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catch
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{
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// ignored
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}
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try
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{
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if(stat.LastWriteTimeUtc.HasValue)
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di.LastWriteTimeUtc = stat.LastWriteTimeUtc.Value;
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}
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catch
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{
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// ignored
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}
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try
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{
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if(stat.AccessTimeUtc.HasValue)
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di.LastAccessTimeUtc = stat.AccessTimeUtc.Value;
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}
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catch
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{
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// ignored
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}
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#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
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continue;
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}
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FileStream outputFile;
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if(doXattrs)
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{
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List<string> xattrs = null;
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Listing_extended_attributes).IsIndeterminate();
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error = fs.ListXAttr(path + "/" + entry, out xattrs);
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});
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if(error == ErrorNumber.NoError)
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foreach(string xattr in xattrs)
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{
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byte[] xattrBuf = Array.Empty<byte>();
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Reading_extended_attribute).IsIndeterminate();
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error = fs.GetXattr(path + "/" + entry, xattr, ref xattrBuf);
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});
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if(error != ErrorNumber.NoError)
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continue;
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outputPath = Path.Combine(outputDir, fs.Metadata.Type, volumeName, ".xattrs", path, xattr);
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if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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outputPath = outputPath.Replace('<', '\uFF1C').Replace('>', '\uFF1E').
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Replace(':', '\uFF1A').Replace('\"', '\uFF02').
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Replace('|', '\uFF5C').Replace('?', '\uFF1F').
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Replace('*', '\uFF0A').Replace('/', '\\');
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Directory.CreateDirectory(outputPath);
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outputPath = RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
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? Path.Combine(outputPath,
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entry.Replace('/', '\uFF0F').Replace('\\', '\uFF3C'))
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: Path.Combine(outputPath, entry);
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if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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outputPath = outputPath.Replace('<', '\uFF1C').Replace('>', '\uFF1E').
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Replace(':', '\uFF1A').Replace('\"', '\uFF02').
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Replace('|', '\uFF5C').Replace('?', '\uFF1F').
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Replace('*', '\uFF0A').Replace('/', '\\');
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if(!File.Exists(outputPath))
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{
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Core.Spectre.ProgressSingleSpinner(ctx =>
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{
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ctx.AddTask(UI.Writing_extended_attribute).IsIndeterminate();
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outputFile = new FileStream(outputPath, FileMode.CreateNew, FileAccess.ReadWrite,
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FileShare.None);
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outputFile.Write(xattrBuf, 0, xattrBuf.Length);
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outputFile.Close();
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});
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var fi = new FileInfo(outputPath);
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#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
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try
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{
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if(stat.CreationTimeUtc.HasValue)
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fi.CreationTimeUtc = stat.CreationTimeUtc.Value;
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}
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catch
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{
|
|
// ignored
|
|
}
|
|
|
|
try
|
|
{
|
|
if(stat.LastWriteTimeUtc.HasValue)
|
|
fi.LastWriteTimeUtc = stat.LastWriteTimeUtc.Value;
|
|
}
|
|
catch
|
|
{
|
|
// ignored
|
|
}
|
|
|
|
try
|
|
{
|
|
if(stat.AccessTimeUtc.HasValue)
|
|
fi.LastAccessTimeUtc = stat.AccessTimeUtc.Value;
|
|
}
|
|
catch
|
|
{
|
|
// ignored
|
|
}
|
|
#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
|
|
AaruConsole.WriteLine(UI.Written_0_bytes_of_xattr_1_from_file_2_to_3, xattrBuf.Length,
|
|
xattr, entry, outputPath);
|
|
}
|
|
else
|
|
AaruConsole.ErrorWriteLine(UI.Cannot_write_xattr_0_for_1_output_exists, xattr, entry);
|
|
}
|
|
}
|
|
|
|
outputPath = Path.Combine(outputDir, fs.Metadata.Type, volumeName, path);
|
|
|
|
if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
|
|
outputPath = outputPath.Replace('<', '\uFF1C').Replace('>', '\uFF1E').Replace(':', '\uFF1A').
|
|
Replace('\"', '\uFF02').Replace('|', '\uFF5C').Replace('?', '\uFF1F').
|
|
Replace('*', '\uFF0A').Replace('/', '\\');
|
|
|
|
Directory.CreateDirectory(outputPath);
|
|
|
|
outputPath = RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
|
|
? Path.Combine(outputPath, entry.Replace('/', '\uFF0F').Replace('\\', '\uFF3C'))
|
|
: Path.Combine(outputPath, entry);
|
|
|
|
if(RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
|
|
outputPath = outputPath.Replace('<', '\uFF1C').Replace('>', '\uFF1E').Replace(':', '\uFF1A').
|
|
Replace('\"', '\uFF02').Replace('|', '\uFF5C').Replace('?', '\uFF1F').
|
|
Replace('*', '\uFF0A').Replace('/', '\\');
|
|
|
|
if(!File.Exists(outputPath))
|
|
{
|
|
long position = 0;
|
|
|
|
outputFile = new FileStream(outputPath, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None);
|
|
|
|
AnsiConsole.Progress().AutoClear(true).HideCompleted(true).
|
|
Columns(new TaskDescriptionColumn(), new ProgressBarColumn(), new PercentageColumn()).
|
|
Start(ctx =>
|
|
{
|
|
ProgressTask task =
|
|
ctx.AddTask(string.Format(UI.Reading_file_0, Markup.Escape(entry)));
|
|
|
|
task.MaxValue = stat.Length;
|
|
byte[] outBuf = new byte[BUFFER_SIZE];
|
|
error = fs.OpenFile(path + "/" + entry, out IFileNode fileNode);
|
|
|
|
if(error == ErrorNumber.NoError)
|
|
{
|
|
while(position < stat.Length)
|
|
{
|
|
long bytesToRead;
|
|
|
|
if(stat.Length - position > BUFFER_SIZE)
|
|
bytesToRead = BUFFER_SIZE;
|
|
else
|
|
bytesToRead = stat.Length - position;
|
|
|
|
error = fs.ReadFile(fileNode, bytesToRead, outBuf, out long bytesRead);
|
|
|
|
if(error == ErrorNumber.NoError)
|
|
outputFile.Write(outBuf, 0, (int)bytesRead);
|
|
else
|
|
{
|
|
AaruConsole.ErrorWriteLine(UI.Error_0_reading_file_1, error, entry);
|
|
|
|
break;
|
|
}
|
|
|
|
position += bytesToRead;
|
|
task.Increment(bytesToRead);
|
|
}
|
|
|
|
fs.CloseFile(fileNode);
|
|
}
|
|
else
|
|
AaruConsole.ErrorWriteLine(UI.Error_0_reading_file_1, error, entry);
|
|
});
|
|
|
|
outputFile.Close();
|
|
|
|
var fi = new FileInfo(outputPath);
|
|
#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
|
|
try
|
|
{
|
|
if(stat.CreationTimeUtc.HasValue)
|
|
fi.CreationTimeUtc = stat.CreationTimeUtc.Value;
|
|
}
|
|
catch
|
|
{
|
|
// ignored
|
|
}
|
|
|
|
try
|
|
{
|
|
if(stat.LastWriteTimeUtc.HasValue)
|
|
fi.LastWriteTimeUtc = stat.LastWriteTimeUtc.Value;
|
|
}
|
|
catch
|
|
{
|
|
// ignored
|
|
}
|
|
|
|
try
|
|
{
|
|
if(stat.AccessTimeUtc.HasValue)
|
|
fi.LastAccessTimeUtc = stat.AccessTimeUtc.Value;
|
|
}
|
|
catch
|
|
{
|
|
// ignored
|
|
}
|
|
#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
|
|
AaruConsole.WriteLine(UI.Written_0_bytes_of_file_1_to_2, position, Markup.Escape(entry),
|
|
Markup.Escape(outputPath));
|
|
}
|
|
else
|
|
AaruConsole.ErrorWriteLine(UI.Cannot_write_file_0_output_exists, Markup.Escape(entry));
|
|
}
|
|
else
|
|
AaruConsole.ErrorWriteLine(UI.Error_reading_file_0, Markup.Escape(entry));
|
|
}
|
|
}
|
|
} |