mirror of
https://github.com/claunia/SabreTools.git
synced 2025-12-16 19:14:27 +00:00
618 lines
19 KiB
C#
618 lines
19 KiB
C#
using SharpCompress.Archive;
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using SharpCompress.Archive.Zip;
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using SharpCompress.Common;
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using SharpCompress.Reader;
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using SharpCompress.Reader.Zip;
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using SharpCompress.Writer;
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using SharpCompress.Writer.Zip;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Text.RegularExpressions;
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namespace SabreTools.Helper
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{
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public class ArchiveTools
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{
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/// <summary>
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/// Copy a file to an output archive
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/// </summary>
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/// <param name="input">Input filename to be moved</param>
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/// <param name="output">Output directory to build to</param>
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/// <param name="rom">RomData representing the new information</param>
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public static void WriteToArchive(string input, string output, Rom rom)
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{
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string archiveFileName = Path.Combine(output, rom.Game + ".zip");
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System.IO.Compression.ZipArchive outarchive = null;
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try
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{
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if (!File.Exists(archiveFileName))
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{
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outarchive = ZipFile.Open(archiveFileName, ZipArchiveMode.Create);
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}
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else
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{
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outarchive = ZipFile.Open(archiveFileName, ZipArchiveMode.Update);
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}
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if (File.Exists(input))
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{
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if (outarchive.Mode == ZipArchiveMode.Create || outarchive.GetEntry(rom.Name) == null)
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{
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outarchive.CreateEntryFromFile(input, rom.Name, CompressionLevel.Optimal);
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}
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}
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else if (Directory.Exists(input))
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{
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foreach (string file in Directory.EnumerateFiles(input, "*", SearchOption.AllDirectories))
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{
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if (outarchive.Mode == ZipArchiveMode.Create || outarchive.GetEntry(file) == null)
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{
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outarchive.CreateEntryFromFile(file, file, CompressionLevel.Optimal);
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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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Console.WriteLine(ex);
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}
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finally
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{
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outarchive?.Dispose();
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}
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}
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/// <summary>
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/// Copy a file to an output archive using SharpCompress
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/// </summary>
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/// <param name="input">Input filename to be moved</param>
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/// <param name="output">Output directory to build to</param>
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/// <param name="rom">RomData representing the new information</param>
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public static void WriteToManagedArchive(string input, string output, Rom rom)
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{
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string archiveFileName = Path.Combine(output, rom.Game + ".zip");
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// Delete an empty file first
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if (File.Exists(archiveFileName) && new FileInfo(archiveFileName).Length == 0)
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{
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File.Delete(archiveFileName);
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}
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// Get if the file should be written out
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bool newfile = File.Exists(archiveFileName) && new FileInfo(archiveFileName).Length != 0;
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using (SharpCompress.Archive.Zip.ZipArchive archive = (newfile
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? ArchiveFactory.Open(archiveFileName, Options.LookForHeader) as SharpCompress.Archive.Zip.ZipArchive
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: ArchiveFactory.Create(ArchiveType.Zip) as SharpCompress.Archive.Zip.ZipArchive))
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{
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try
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{
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if (File.Exists(input))
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{
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archive.AddEntry(rom.Name, input);
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}
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else if (Directory.Exists(input))
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{
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archive.AddAllFromDirectory(input, "*", SearchOption.AllDirectories);
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}
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archive.SaveTo(archiveFileName + ".tmp", CompressionType.Deflate);
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}
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catch (Exception)
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{
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// Don't log archive write errors
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}
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}
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if (File.Exists(archiveFileName + ".tmp"))
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{
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File.Delete(archiveFileName);
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File.Move(archiveFileName + ".tmp", archiveFileName);
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}
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}
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/// <summary>
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/// Attempt to extract a file as an archive
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/// </summary>
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/// <param name="input">Name of the file to be extracted</param>
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/// <param name="tempdir">Temporary directory for archive extraction</param>
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/// <param name="logger">Logger object for file and console output</param>
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/// <returns>True if the extraction was a success, false otherwise</returns>
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public static bool ExtractArchive(string input, string tempdir, Logger logger)
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{
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return ExtractArchive(input, tempdir, ArchiveScanLevel.Both, ArchiveScanLevel.External, ArchiveScanLevel.External, ArchiveScanLevel.Both, logger);
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}
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/// <summary>
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/// Attempt to extract a file as an archive
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/// </summary>
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/// <param name="input">Name of the file to be extracted</param>
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/// <param name="tempdir">Temporary directory for archive extraction</param>
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/// <param name="sevenzip">Integer representing the archive handling level for 7z</param>
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/// <param name="gz">Integer representing the archive handling level for GZip</param>
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/// <param name="rar">Integer representing the archive handling level for RAR</param>
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/// <param name="zip">Integer representing the archive handling level for Zip</param>
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/// <param name="logger">Logger object for file and console output</param>
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/// <returns>True if the extraction was a success, false otherwise</returns>
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public static bool ExtractArchive(string input, string tempdir, int sevenzip,
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int gz, int rar, int zip, Logger logger)
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{
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return ExtractArchive(input, tempdir, (ArchiveScanLevel)sevenzip, (ArchiveScanLevel)gz, (ArchiveScanLevel)rar, (ArchiveScanLevel)zip, logger);
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}
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/// <summary>
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/// Attempt to extract a file as an archive
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/// </summary>
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/// <param name="input">Name of the file to be extracted</param>
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/// <param name="tempdir">Temporary directory for archive extraction</param>
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/// <param name="sevenzip">Archive handling level for 7z</param>
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/// <param name="gz">Archive handling level for GZip</param>
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/// <param name="rar">Archive handling level for RAR</param>
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/// <param name="zip">Archive handling level for Zip</param>
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/// <param name="logger">Logger object for file and console output</param>
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/// <returns>True if the extraction was a success, false otherwise</returns>
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public static bool ExtractArchive(string input, string tempdir, ArchiveScanLevel sevenzip,
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ArchiveScanLevel gz, ArchiveScanLevel rar, ArchiveScanLevel zip, Logger logger)
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{
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bool encounteredErrors = true;
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// First get the archive type
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ArchiveType? at = GetCurrentArchiveType(input, logger);
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// If we got back null, then it's not an archive, so we we return
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if (at == null)
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{
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return encounteredErrors;
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}
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IReader reader = null;
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try
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{
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reader = ReaderFactory.Open(File.OpenRead(input));
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logger.Log("Found archive of type: " + at);
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if ((at == ArchiveType.Zip && zip != ArchiveScanLevel.External) ||
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(at == ArchiveType.SevenZip && sevenzip != ArchiveScanLevel.External) ||
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(at == ArchiveType.Rar && rar != ArchiveScanLevel.External))
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{
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// Create the temp directory
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Directory.CreateDirectory(tempdir);
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// Extract all files to the temp directory
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reader.WriteAllToDirectory(tempdir, ExtractOptions.ExtractFullPath | ExtractOptions.Overwrite);
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encounteredErrors = false;
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}
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else if (at == ArchiveType.GZip && gz != ArchiveScanLevel.External)
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{
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// Close the original archive handle
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reader.Dispose();
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// Create the temp directory
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Directory.CreateDirectory(tempdir);
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using (FileStream itemstream = File.OpenRead(input))
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{
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using (FileStream outstream = File.Create(tempdir + Path.GetFileNameWithoutExtension(input)))
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{
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using (GZipStream gzstream = new GZipStream(itemstream, CompressionMode.Decompress))
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{
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gzstream.CopyTo(outstream);
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}
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}
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}
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encounteredErrors = false;
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}
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}
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catch (EndOfStreamException)
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{
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// Catch this but don't count it as an error because SharpCompress is unsafe
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}
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catch (InvalidOperationException)
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{
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encounteredErrors = true;
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}
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catch (Exception)
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{
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// Don't log file open errors
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encounteredErrors = true;
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}
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finally
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{
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reader?.Dispose();
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}
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return encounteredErrors;
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}
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/// <summary>
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/// Attempt to extract a file from an archive
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/// </summary>
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/// <param name="input">Name of the archive to be extracted</param>
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/// <param name="entryname">Name of the entry to be extracted</param>
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/// <param name="tempdir">Temporary directory for archive extraction</param>
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/// <param name="logger">Logger object for file and console output</param>
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/// <returns>Name of the extracted file, null on error</returns>
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public static string ExtractSingleItemFromArchive(string input, string entryname,
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string tempdir, Logger logger)
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{
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string outfile = null;
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// First get the archive type
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ArchiveType? at = GetCurrentArchiveType(input, logger);
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// If we got back null, then it's not an archive, so we we return
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if (at == null)
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{
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return outfile;
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}
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IReader reader = null;
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try
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{
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reader = ReaderFactory.Open(File.OpenRead(input));
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if (at == ArchiveType.Zip || at == ArchiveType.SevenZip || at == ArchiveType.Rar)
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{
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// Create the temp directory
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Directory.CreateDirectory(tempdir);
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while (reader.MoveToNextEntry())
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{
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logger.Log("Current entry name: '" + reader.Entry.Key + "'");
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if (reader.Entry != null && reader.Entry.Key.Contains(entryname))
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{
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outfile = Path.GetFullPath(Path.Combine(tempdir, reader.Entry.Key));
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if (!Directory.Exists(Path.GetDirectoryName(outfile)))
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{
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Directory.CreateDirectory(Path.GetDirectoryName(outfile));
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}
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reader.WriteEntryToFile(outfile, ExtractOptions.Overwrite);
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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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logger.Error(ex.ToString());
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outfile = null;
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}
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finally
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{
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reader?.Dispose();
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}
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return outfile;
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}
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/// <summary>
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/// Attempt to copy a file between archives
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/// </summary>
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/// <param name="inputArchive">Source archive name</param>
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/// <param name="outputArchive">Destination archive name</param>
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/// <param name="sourceEntryName">Input entry name</param>
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/// <param name="destEntryName">Output entry name</param>
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/// <param name="logger">Logger object for file and console output</param>
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/// <returns>True if the copy was a success, false otherwise</returns>
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public static bool CopyFileBetweenArchives(string inputArchive, string outputArchive,
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string sourceEntryName, string destEntryName, Logger logger)
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{
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bool success = false;
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// First get the archive types
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ArchiveType? iat = GetCurrentArchiveType(inputArchive, logger);
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ArchiveType? oat = (File.Exists(outputArchive) ? GetCurrentArchiveType(outputArchive, logger) : ArchiveType.Zip);
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// If we got back null (or the output is not a Zipfile), then it's not an archive, so we we return
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if (iat == null || (oat == null || oat != ArchiveType.Zip) || inputArchive == outputArchive)
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{
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return success;
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}
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IReader reader = null;
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System.IO.Compression.ZipArchive outarchive = null;
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try
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{
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reader = ReaderFactory.Open(File.OpenRead(inputArchive));
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if (iat == ArchiveType.Zip || iat == ArchiveType.SevenZip || iat == ArchiveType.Rar)
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{
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while (reader.MoveToNextEntry())
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{
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logger.Log("Current entry name: '" + reader.Entry.Key + "'");
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if (reader.Entry != null && reader.Entry.Key.Contains(sourceEntryName))
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{
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if (!File.Exists(outputArchive))
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{
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outarchive = ZipFile.Open(outputArchive, ZipArchiveMode.Create);
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}
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else
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{
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outarchive = ZipFile.Open(outputArchive, ZipArchiveMode.Update);
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}
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if (outarchive.Mode == ZipArchiveMode.Create || outarchive.GetEntry(destEntryName) == null)
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{
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System.IO.Compression.ZipArchiveEntry iae = outarchive.CreateEntry(destEntryName, CompressionLevel.Optimal) as System.IO.Compression.ZipArchiveEntry;
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using (Stream iaestream = iae.Open())
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{
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reader.WriteEntryTo(iaestream);
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}
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}
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success = true;
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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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logger.Error(ex.ToString());
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success = false;
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}
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finally
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{
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reader?.Dispose();
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outarchive?.Dispose();
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}
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return success;
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}
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/// <summary>
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/// Attempt to copy a file between archives using SharpCompress
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/// </summary>
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/// <param name="inputArchive">Source archive name</param>
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/// <param name="outputArchive">Destination archive name</param>
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/// <param name="sourceEntryName">Input entry name</param>
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/// <param name="destEntryName">Output entry name</param>
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/// <param name="logger">Logger object for file and console output</param>
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/// <returns>True if the copy was a success, false otherwise</returns>
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public static bool CopyFileBetweenManagedArchives(string inputArchive, string outputArchive,
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string sourceEntryName, string destEntryName, Logger logger)
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{
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bool success = false;
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// First get the archive types
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ArchiveType? iat = GetCurrentArchiveType(inputArchive, logger);
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ArchiveType? oat = (File.Exists(outputArchive) ? GetCurrentArchiveType(outputArchive, logger) : ArchiveType.Zip);
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// If we got back null (or the output is not a Zipfile), then it's not an archive, so we we return
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if (iat == null || (oat == null || oat != ArchiveType.Zip) || inputArchive == outputArchive)
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{
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return success;
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}
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try
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{
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using (IReader reader = ReaderFactory.Open(File.OpenRead(inputArchive)))
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{
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if (iat == ArchiveType.Zip || iat == ArchiveType.SevenZip || iat == ArchiveType.Rar)
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{
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while (reader.MoveToNextEntry())
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{
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logger.Log("Current entry name: '" + reader.Entry.Key + "'");
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if (reader.Entry != null && reader.Entry.Key.Contains(sourceEntryName))
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{
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// Get if the file should be written out
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bool newfile = File.Exists(outputArchive) && new FileInfo(outputArchive).Length != 0;
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using (SharpCompress.Archive.Zip.ZipArchive archive = (newfile
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? ArchiveFactory.Open(outputArchive, Options.LookForHeader) as SharpCompress.Archive.Zip.ZipArchive
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: ArchiveFactory.Create(ArchiveType.Zip) as SharpCompress.Archive.Zip.ZipArchive))
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{
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try
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{
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Stream tempstream = new MemoryStream();
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reader.WriteEntryTo(tempstream);
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archive.AddEntry(destEntryName, tempstream);
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archive.SaveTo(outputArchive + ".tmp", CompressionType.Deflate);
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}
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catch (Exception)
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{
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// Don't log archive write errors
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}
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}
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if (File.Exists(outputArchive + ".tmp"))
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{
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File.Delete(outputArchive);
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File.Move(outputArchive + ".tmp", outputArchive);
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}
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success = true;
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}
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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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logger.Error(ex.ToString());
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success = false;
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}
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return success;
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}
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/// <summary>
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/// Generate a list of RomData objects from the header values in an archive
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/// </summary>
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/// <param name="input">Input file to get data from</param>
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/// <param name="logger">Logger object for file and console output</param>
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/// <returns>List of RomData objects representing the found data</returns>
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public static List<Rom> GetArchiveFileInfo(string input, Logger logger)
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{
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List<Rom> roms = new List<Rom>();
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string gamename = Path.GetFileNameWithoutExtension(input);
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// First get the archive type
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ArchiveType? at = GetCurrentArchiveType(input, logger);
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// If we got back null, then it's not an archive, so we we return
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if (at == null)
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{
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return roms;
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}
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IReader reader = null;
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try
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{
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reader = ReaderFactory.Open(File.OpenRead(input));
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logger.Log("Found archive of type: " + at);
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if (at != ArchiveType.Tar)
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{
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while (reader.MoveToNextEntry())
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{
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if (reader.Entry != null && !reader.Entry.IsDirectory)
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{
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logger.Log("Entry found: '" + reader.Entry.Key + "': " + reader.Entry.Size + ", " + reader.Entry.Crc.ToString("X").ToLowerInvariant());
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roms.Add(new Rom
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{
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Type = "rom",
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Name = reader.Entry.Key,
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Game = gamename,
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Size = reader.Entry.Size,
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CRC = reader.Entry.Crc.ToString("X").ToLowerInvariant(),
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});
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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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logger.Error(ex.ToString());
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}
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finally
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{
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reader?.Dispose();
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}
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return roms;
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}
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/// <summary>
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/// Retrieve file information for a single torrent GZ file
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/// </summary>
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/// <param name="input">Filename to get information from</param>
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/// <param name="logger">Logger object for file and console output</param>
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/// <returns>Populated RomData object if success, empty one on error</returns>
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public static Rom GetTorrentGZFileInfo(string input, Logger logger)
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{
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string datum = Path.GetFileName(input).ToLowerInvariant();
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long filesize = new FileInfo(input).Length;
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// Check if the name is the right length
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if (!Regex.IsMatch(datum, @"^[0-9a-f]{40}\.gz"))
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{
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logger.Warning("Non SHA-1 filename found, skipping: '" + datum + "'");
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return new Rom();
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}
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// Check if the file is at least the minimum length
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if (filesize < 40 /* bytes */)
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{
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logger.Warning("Possibly corrupt file '" + input + "' with size " + Style.GetBytesReadable(filesize));
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return new Rom();
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}
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// Get the Romba-specific header data
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byte[] headermd5; // MD5
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byte[] headercrc; // CRC
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byte[] headersz; // Int64 size
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using (FileStream itemstream = File.OpenRead(input))
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{
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using (BinaryReader br = new BinaryReader(itemstream))
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{
|
|
br.BaseStream.Seek(12, SeekOrigin.Begin);
|
|
headermd5 = br.ReadBytes(16);
|
|
headercrc = br.ReadBytes(4);
|
|
headersz = br.ReadBytes(8);
|
|
}
|
|
}
|
|
|
|
// Now convert the data and get the right position
|
|
string gzmd5 = BitConverter.ToString(headermd5).Replace("-", string.Empty);
|
|
string gzcrc = BitConverter.ToString(headercrc).Replace("-", string.Empty);
|
|
string gzsize = BitConverter.ToString(headersz.Reverse().ToArray()).Replace("-", string.Empty);
|
|
long extractedsize = Convert.ToInt64(gzsize, 16);
|
|
|
|
Rom rom = new Rom
|
|
{
|
|
Type = "rom",
|
|
Game = Path.GetFileNameWithoutExtension(input),
|
|
Name = Path.GetFileNameWithoutExtension(input),
|
|
Size = extractedsize,
|
|
CRC = gzcrc,
|
|
MD5 = gzmd5,
|
|
SHA1 = Path.GetFileNameWithoutExtension(input),
|
|
};
|
|
|
|
return rom;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Returns the archive type of an input file
|
|
/// </summary>
|
|
/// <param name="input">Input file to check</param>
|
|
/// <param name="logger">Logger object for file and console output</param>
|
|
/// <returns>ArchiveType of inputted file (null on error)</returns>
|
|
public static ArchiveType? GetCurrentArchiveType(string input, Logger logger)
|
|
{
|
|
ArchiveType? outtype = null;
|
|
|
|
// Read the first bytes of the file and get the magic numbe
|
|
try
|
|
{
|
|
byte[] magic = new byte[8];
|
|
using (BinaryReader br = new BinaryReader(File.OpenRead(input)))
|
|
{
|
|
magic = br.ReadBytes(8);
|
|
}
|
|
|
|
// Convert it to an uppercase string
|
|
string mstr = string.Empty;
|
|
for (int i = 0; i < magic.Length; i++)
|
|
{
|
|
mstr += BitConverter.ToString(new byte[] { magic[i] });
|
|
}
|
|
mstr = mstr.ToUpperInvariant();
|
|
|
|
// Now try to match it to a known signature
|
|
if (mstr.StartsWith(Constants.SevenZipSig))
|
|
{
|
|
outtype = ArchiveType.SevenZip;
|
|
}
|
|
else if (mstr.StartsWith(Constants.GzSig))
|
|
{
|
|
outtype = ArchiveType.GZip;
|
|
}
|
|
else if (mstr.StartsWith(Constants.RarSig) || mstr.StartsWith(Constants.RarFiveSig))
|
|
{
|
|
outtype = ArchiveType.Rar;
|
|
}
|
|
else if (mstr.StartsWith(Constants.TarSig) || mstr.StartsWith(Constants.TarZeroSig))
|
|
{
|
|
outtype = ArchiveType.Tar;
|
|
}
|
|
else if (mstr.StartsWith(Constants.ZipSig) || mstr.StartsWith(Constants.ZipSigEmpty) || mstr.StartsWith(Constants.ZipSigSpanned))
|
|
{
|
|
outtype = ArchiveType.Zip;
|
|
}
|
|
}
|
|
catch (Exception)
|
|
{
|
|
// Don't log file open errors
|
|
}
|
|
|
|
return outtype;
|
|
}
|
|
}
|
|
}
|