using System; using System.Reflection; using SabreTools.Library.Tools; namespace SabreTools.Library.Data { public static class Constants { /// /// The current toolset version to be used by all child applications /// public static string Version = "v0.9.5-" + Assembly.GetExecutingAssembly().GetLinkerTime().ToString("yyyy-MM-dd HH:mm:ss"); public const int HeaderHeight = 3; #region 0-byte file constants public const long SizeZero = 0; public const string CRCZero = "00000000"; public const string MD5Zero = "d41d8cd98f00b204e9800998ecf8427e"; public const string SHA1Zero = "da39a3ee5e6b4b0d3255bfef95601890afd80709"; public const string SHA256Zero = "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"; public const string SHA384Zero = "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7"; public const string SHA512Zero = "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f"; #endregion #region Byte (1000-based) size comparisons public const long KiloByte = 1000; public static long MegaByte = (long)Math.Pow(KiloByte, 2); public static long GigaByte = (long)Math.Pow(KiloByte, 3); public static long TeraByte = (long)Math.Pow(KiloByte, 4); public static long PetaByte = (long)Math.Pow(KiloByte, 5); public static long ExaByte = (long)Math.Pow(KiloByte, 6); public static long ZettaByte = (long)Math.Pow(KiloByte, 7); public static long YottaByte = (long)Math.Pow(KiloByte, 8); #endregion #region Byte (1024-based) size comparisons public const long KibiByte = 1024; public static long MibiByte = (long)Math.Pow(KibiByte, 2); public static long GibiByte = (long)Math.Pow(KibiByte, 3); public static long TibiByte = (long)Math.Pow(KibiByte, 4); public static long PibiByte = (long)Math.Pow(KibiByte, 5); public static long ExiByte = (long)Math.Pow(KibiByte, 6); public static long ZittiByte = (long)Math.Pow(KibiByte, 7); public static long YittiByte = (long)Math.Pow(KibiByte, 8); #endregion #region Database schema public const string HeadererDbSchema = "Headerer"; public const string HeadererFileName = "Headerer.sqlite"; public const string HeadererConnectionString = "Data Source=" + HeadererFileName + ";Version = 3;"; #endregion #region Hash string length constants public const int CRCLength = 8; public const int MD5Length = 32; public const int SHA1Length = 40; public const int SHA256Length = 64; public const int SHA384Length = 96; public const int SHA512Length = 128; #endregion #region Magic numbers as strings public const string SevenZipSig = "377ABCAF271C"; public const string GzSig = "1F8B"; public const string RarSig = "526172211A0700"; public const string RarFiveSig = "526172211A070100"; public const string TarSig = "7573746172202000"; public const string TarZeroSig = "7573746172003030"; public const string ZipSig = "504B0304"; public const string ZipSigEmpty = "504B0506"; public const string ZipSigSpanned = "504B0708"; #endregion #region Regular Expressions public const string XmlPattern = @"<(.*?)>(.*?)"; public const string HeaderPatternCMP = @"(^.*?) \($"; public const string ItemPatternCMP = @"^\s*(\S*?) (.*)"; public const string EndPatternCMP = @"^\s*\)\s*$"; #endregion #region TorrentZip, T7z, and TGZ headers /* TorrentZip Header Format https://pkware.cachefly.net/webdocs/APPNOTE/APPNOTE_6.2.0.txt http://www.romvault.com/trrntzip_explained.doc 00-03 Local file header signature (0x50, 0x4B, 0x03, 0x04) 04-05 Version needed to extract (0x14, 0x00) 06-07 General purpose bit flag (0x02, 0x00) 08-09 Compression method (0x08, 0x00) 0A-0B Last mod file time (0x00, 0xBC) 0C-0D Last mod file date (0x98, 0x21) */ public static byte[] TorrentZipHeader = new byte[] { 0x50, 0x4b, 0x03, 0x04, 0x14, 0x00, 0x02, 0x00, 0x08, 0x00, 0x00, 0xbc, 0x98, 0x21 }; /* Torrent7z Header Format http://cpansearch.perl.org/src/BJOERN/Compress-Deflate7-1.0/7zip/DOC/7zFormat.txt 00-05 Local file header signature (0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C) 06-07 ArchiveVersion (0x00, 0x03) The rest is unknown */ public static byte[] Torrent7ZipHeader = new byte[] { 0x37, 0x7a, 0xbc, 0xaf, 0x27, 0x1c, 0x00, 0x03 }; public static byte[] Torrent7ZipSignature = new byte[] { 0xa9, 0xa9, 0x9f, 0xd1, 0x57, 0x08, 0xa9, 0xd7, 0xea, 0x29, 0x64, 0xb2, 0x36, 0x1b, 0x83, 0x52, 0x33, 0x00, 0x74, 0x6f, 0x72, 0x72, 0x65, 0x6e, 0x74, 0x37, 0x7a, 0x5f, 0x30, 0x2e, 0x39, 0x62, 0x65, 0x74, 0x61 }; /* (Torrent)GZ Header Format https://tools.ietf.org/html/rfc1952 00 Identification 1 (0x1F) 01 Identification 2 (0x8B) 02 Compression Method (0-7 reserved, 8 deflate; 0x08) 03 Flags (0 FTEXT, 1 FHCRC, 2 FEXTRA, 3 FNAME, 4 FCOMMENT, 5 reserved, 6 reserved, 7 reserved; 0x04) 04-07 Modification time (Unix format; 0x00, 0x00, 0x00, 0x00) 08 Extra Flags (2 maximum compression, 4 fastest algorithm; 0x00) 09 OS (See list on https://tools.ietf.org/html/rfc1952; 0x00) 0A-0B Length of extra field (mirrored; 0x1C, 0x00) 0C-27 Extra field 0C-1B MD5 Hash 1C-1F CRC hash 20-27 Int64 size (mirrored) */ public static byte[] TorrentGZHeader = new byte[] { 0x1f, 0x8b, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00 }; #endregion #region ZIP internal signatures public const uint LocalFileHeaderSignature = 0x04034b50; public const uint EndOfLocalFileHeaderSignature = 0x08074b50; public const uint CentralDirectoryHeaderSignature = 0x02014b50; public const uint EndOfCentralDirSignature = 0x06054b50; public const uint Zip64EndOfCentralDirSignature = 0x06064b50; public const uint Zip64EndOfCentralDirectoryLocator = 0x07064b50; public const uint TorrentZipFileDateTime = 0x2198BC00; #endregion } }