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[ZipFile, ZipFileEntry, FileTools] Move things around, make program compile again

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This commit is contained in:
Matt Nadareski
2016-09-15 16:06:06 -07:00
parent cc1e21964c
commit c4cad201c0
4 changed files with 100 additions and 434 deletions
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101
SabreTools.Helper/Objects/ZipFIle.cs
View File

@@ -574,7 +574,7 @@ namespace SabreTools.Helper
{ {
continue; continue;
} }
if (TorrentZipStringCompare(filename0, filename1.Substring(0, filename0.Length)) = 0) if (TorrentZipStringCompare(filename0, filename1.Substring(0, filename0.Length)) == 0)
{ {
continue; continue;
} }
@@ -899,5 +899,104 @@ namespace SabreTools.Helper
zfe.Check(); zfe.Check();
} }
} }
/// <summary>
/// Get the text associated with a return status
/// </summary>
/// <param name="zr">ZipReturn status to parse</param>
/// <returns>String associated with the ZipReturn</returns>
public static string ZipErrorMessageText(ZipReturn zr)
{
string ret = "Unknown";
switch (zr)
{
case ZipReturn.ZipGood:
ret = "";
break;
case ZipReturn.ZipFileCountError:
ret = "The number of file in the Zip does not mach the number of files in the Zips Centeral Directory";
break;
case ZipReturn.ZipSignatureError:
ret = "An unknown Signature Block was found in the Zip";
break;
case ZipReturn.ZipExtraDataOnEndOfZip:
ret = "Extra Data was found on the end of the Zip";
break;
case ZipReturn.ZipUnsupportedCompression:
ret = "An unsupported Compression method was found in the Zip, if you recompress this zip it will be usable";
break;
case ZipReturn.ZipLocalFileHeaderError:
ret = "Error reading a zipped file header information";
break;
case ZipReturn.ZipCentralDirError:
ret = "There is an error in the Zip Centeral Directory";
break;
case ZipReturn.ZipReadingFromOutputFile:
ret = "Trying to write to a Zip file open for output only";
break;
case ZipReturn.ZipWritingToInputFile:
ret = "Tring to read from a Zip file open for input only";
break;
case ZipReturn.ZipErrorGettingDataStream:
ret = "Error creating Data Stream";
break;
case ZipReturn.ZipCRCDecodeError:
ret = "CRC error";
break;
case ZipReturn.ZipDecodeError:
ret = "Error unzipping a file";
break;
}
return ret;
}
/// <summary>
/// Compare two strings in TorrentZip format
/// </summary>
/// <param name="string1"></param>
/// <param name="string2"></param>
/// <returns></returns>
private static int TorrentZipStringCompare(string string1, string string2)
{
char[] bytes1 = string1.ToCharArray();
char[] bytes2 = string2.ToCharArray();
int pos1 = 0;
int pos2 = 0;
for (;;)
{
if (pos1 == bytes1.Length)
{
return ((pos2 == bytes2.Length) ? 0 : -1);
}
if (pos2 == bytes2.Length)
{
return 1;
}
int byte1 = bytes1[pos1++];
int byte2 = bytes2[pos2++];
if (byte1 >= 65 && byte1 <= 90)
{
byte1 += 0x20;
}
if (byte2 >= 65 && byte2 <= 90)
{
byte2 += 0x20;
}
if (byte1 < byte2)
{
return -1;
}
if (byte1 > byte2)
{
return 1;
}
}
}
} }
} }

99
SabreTools.Helper/Objects/ZipFileEntry.cs
View File

@@ -1018,104 +1018,5 @@ namespace SabreTools.Helper
ds.WriteByte(03); ds.WriteByte(03);
ds.WriteByte(00); ds.WriteByte(00);
} }
/// <summary>
/// Get the text associated with a return status
/// </summary>
/// <param name="zr">ZipReturn status to parse</param>
/// <returns>String associated with the ZipReturn</returns>
public static string ZipErrorMessageText(ZipReturn zr)
{
string ret = "Unknown";
switch (zr)
{
case ZipReturn.ZipGood:
ret = "";
break;
case ZipReturn.ZipFileCountError:
ret = "The number of file in the Zip does not mach the number of files in the Zips Centeral Directory";
break;
case ZipReturn.ZipSignatureError:
ret = "An unknown Signature Block was found in the Zip";
break;
case ZipReturn.ZipExtraDataOnEndOfZip:
ret = "Extra Data was found on the end of the Zip";
break;
case ZipReturn.ZipUnsupportedCompression:
ret = "An unsupported Compression method was found in the Zip, if you recompress this zip it will be usable";
break;
case ZipReturn.ZipLocalFileHeaderError:
ret = "Error reading a zipped file header information";
break;
case ZipReturn.ZipCentralDirError:
ret = "There is an error in the Zip Centeral Directory";
break;
case ZipReturn.ZipReadingFromOutputFile:
ret = "Trying to write to a Zip file open for output only";
break;
case ZipReturn.ZipWritingToInputFile:
ret = "Tring to read from a Zip file open for input only";
break;
case ZipReturn.ZipErrorGettingDataStream:
ret = "Error creating Data Stream";
break;
case ZipReturn.ZipCRCDecodeError:
ret = "CRC error";
break;
case ZipReturn.ZipDecodeError:
ret = "Error unzipping a file";
break;
}
return ret;
}
/// <summary>
/// Compare two strings in TorrentZip format
/// </summary>
/// <param name="string1"></param>
/// <param name="string2"></param>
/// <returns></returns>
private static int TorrentZipStringCompare(string string1, string string2)
{
char[] bytes1 = string1.ToCharArray();
char[] bytes2 = string2.ToCharArray();
int pos1 = 0;
int pos2 = 0;
for (;;)
{
if (pos1 == bytes1.Length)
{
return ((pos2 == bytes2.Length) ? 0 : -1);
}
if (pos2 == bytes2.Length)
{
return 1;
}
int byte1 = bytes1[pos1++];
int byte2 = bytes2[pos2++];
if (byte1 >= 65 && byte1 <= 90)
{
byte1 += 0x20;
}
if (byte2 >= 65 && byte2 <= 90)
{
byte2 += 0x20;
}
if (byte1 < byte2)
{
return -1;
}
if (byte1 > byte2)
{
return 1;
}
}
}
} }
} }

310
SabreTools.Helper/Tools/FileTools.cs
View File

@@ -801,122 +801,6 @@ namespace SabreTools.Helper
} }
} }
/// <summary>
/// Read the information from an input zip file and does not populate data
/// </summary>
/// <param name="input">Name of the input file to check</param>
/// <param name="logger">Logger object for file and console output</param>
/// <remarks>
/// This does not do any handling for Zip64 currently
/// https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT
/// </remarks>
public static ZipArchiveStruct GetZipFileInfo(string input, Logger logger)
{
// Create the zip archive struct to hold all of the information
ZipArchiveStruct zas = new ZipArchiveStruct
{
FileName = Path.GetFileNameWithoutExtension(input),
Entries = new List<ZipArchiveEntryStruct>(),
};
int position = -1;
// Seek backwards to find the EOCD pattern
using (BinaryReader br = new BinaryReader(File.OpenRead(input)))
{
int sig = 101010256;
int read = 0;
int index = -5;
while (sig != read && (-index) < new FileInfo(input).Length)
{
br.BaseStream.Seek(index, SeekOrigin.End);
read = br.ReadInt32();
index--;
}
// If we found the signature, then set the correct position
if (sig == read)
{
position = (int)br.BaseStream.Position - 4;
}
}
// If we found the EOCD, get all of the information out of that area
if (position != -1)
{
zas.EOCDOffset = (int)position;
using (BinaryReader br = new BinaryReader(File.OpenRead(input)))
{
br.BaseStream.Seek(position, SeekOrigin.Begin);
br.ReadInt32(); // end of central dir signature
br.ReadInt16(); // number of this disk
br.ReadInt16(); // number of the disk with the start of the central directory
br.ReadInt16(); // total number of entries in the central directory on this disk
br.ReadInt16(); // total number of entries in the central directory
br.ReadInt32(); // size of the central directory
position = br.ReadInt32(); // offset of start of central directory with respect to the starting disk number
int commentlength = br.ReadInt16();
zas.Comment = Style.ConvertHexToAscii(BitConverter.ToString(br.ReadBytes(commentlength)));
}
}
// If we found the SOCD, get all of the information out of that area
if (position != -1 && position != zas.EOCDOffset)
{
zas.SOCDOffset = position;
using (BinaryReader br = new BinaryReader(File.OpenRead(input)))
{
int temp = 0;
while (temp != 84233040 /* digital signature */ && temp != 101010256 /* eocd */)
{
ZipArchiveEntryStruct zaes = new ZipArchiveEntryStruct();
br.BaseStream.Seek(position, SeekOrigin.Begin);
br.ReadInt32(); // central file header signature
zaes.VersionMadeBy = (ArchiveVersion)br.ReadInt16();
zaes.VersionNeeded = (ArchiveVersion)br.ReadInt16();
zaes.GeneralPurposeBitFlag = (GeneralPurposeBitFlag)br.ReadInt16();
zaes.CompressionMethod = (CompressionMethod)br.ReadInt16();
zaes.LastModFileTime = br.ReadUInt16();
zaes.LastModFileDate = br.ReadUInt16();
zaes.CRC = br.ReadUInt32();
zaes.CompressedSize = br.ReadUInt32();
zaes.UncompressedSize = br.ReadUInt32();
int fileNameLength = br.ReadInt16();
int extraFieldLength = br.ReadInt16();
int fileCommentLength = br.ReadInt16();
br.ReadInt16(); // disk number start
zaes.InternalFileAttributes = (InternalFileAttributes)br.ReadInt16();
zaes.ExternalFileAttributes = br.ReadInt32();
zaes.RelativeOffset = br.ReadInt32();
zaes.FileName = br.ReadBytes(fileNameLength);
zaes.ExtraField = br.ReadBytes(extraFieldLength);
zaes.Comment = br.ReadBytes(fileCommentLength);
zaes.Data = new byte[zaes.CompressedSize];
position += 46 + fileNameLength + extraFieldLength + fileCommentLength;
temp = br.ReadInt32();
zas.Entries.Add(zaes);
}
}
}
// Finally, get a hash of the entire central directory (between SOCD and EOCD)
if (zas.SOCDOffset > 0 && zas.EOCDOffset > 0)
{
using (BinaryReader br = new BinaryReader(File.OpenRead(input)))
{
br.BaseStream.Seek(zas.SOCDOffset, SeekOrigin.Begin);
byte[] cd = br.ReadBytes(zas.EOCDOffset - zas.SOCDOffset);
OptimizedCRC ocrc = new OptimizedCRC();
ocrc.Update(cd, 0, cd.Length);
zas.CentralDirectoryCRC = ocrc.Value;
}
}
return zas;
}
/// <summary> /// <summary>
/// Read the information from an input 7z file /// Read the information from an input 7z file
/// </summary> /// </summary>
@@ -1091,199 +975,5 @@ namespace SabreTools.Helper
} }
#endregion #endregion
#region TorrentZip
/// <summary>
/// Write an existing zip archive construct to a torrent zip file
/// </summary>
/// <param name="zae">ZipArchiveStruct representing the zipfile with compressed data</param>
/// <param name="output">Name of the file to write out to</param>
/// <param name="logger">Logger object for file and console output</param>
/// <remarks>
/// Things that need to be done:
/// Get rid of redundant directories (ones that are implied by files inside them)
/// </remarks>
public static void WriteTorrentZip(ZipArchiveStruct zae, string output, Logger logger)
{
// First, rearrange entries by name
List<ZipArchiveEntryStruct> entries = zae.Entries;
using (BinaryWriter bw = new BinaryWriter(File.Open(output, FileMode.Create)))
{
List<long> offsets = new List<long>();
// First, write out entries
foreach (ZipArchiveEntryStruct zaes in zae.Entries)
{
offsets.Add(bw.BaseStream.Position);
bw.Write(Constants.LocalFileHeaderSignature);
bw.Write((ushort)20);
bw.Write((ushort)GeneralPurposeBitFlag.DeflatingMaximumCompression);
bw.Write((ushort)CompressionMethod.Deflated);
bw.Write((ushort)48128);
bw.Write((ushort)8600);
bw.Write(zaes.CRC);
bw.Write(zaes.CompressedSize);
bw.Write(zaes.UncompressedSize);
bw.Write((ushort)zaes.FileName.Length);
bw.Write((ushort)0);
bw.Write(zaes.FileName);
bw.Write(zaes.Data);
if ((zaes.GeneralPurposeBitFlag & GeneralPurposeBitFlag.ZeroedCRCAndSize) != 0)
{
bw.Write(zaes.CRC);
bw.Write(zaes.CompressedSize);
bw.Write(zaes.UncompressedSize);
}
}
// Then write out the central directory
int index = 0;
zae.SOCDOffset = (int)bw.BaseStream.Position;
foreach (ZipArchiveEntryStruct zaes in zae.Entries)
{
bw.Write(Constants.CentralDirectoryHeaderSignature);
bw.Write((ushort)ArchiveVersion.MSDOSandOS2);
bw.Write((ushort)20);
bw.Write((ushort)GeneralPurposeBitFlag.DeflatingMaximumCompression);
bw.Write((ushort)CompressionMethod.Deflated);
bw.Write((ushort)48128);
bw.Write((ushort)8600);
bw.Write(zaes.CRC);
bw.Write(zaes.CompressedSize);
bw.Write(zaes.UncompressedSize);
bw.Write((short)zaes.FileName.Length);
bw.Write((short)0);
bw.Write((short)0);
bw.Write((short)0);
bw.Write((short)0);
bw.Write(0);
bw.Write((int)offsets[index]);
bw.Write(zaes.FileName);
bw.Write(zaes.ExtraField);
bw.Write(zaes.Comment);
index++;
}
zae.EOCDOffset = (int)bw.BaseStream.Position;
// Finally, write out the end record
bw.Write(new byte[] { 0x50, 0x4b, 0x05, 0x06 }); // end of central dir signature
bw.Write((short)0);
bw.Write((short)0);
bw.Write((short)zae.Entries.Count);
bw.Write((short)zae.Entries.Count);
bw.Write(zae.EOCDOffset - zae.SOCDOffset);
bw.Write(zae.SOCDOffset);
bw.Write((short)22);
bw.Write("TORRENTZIPPED-".ToCharArray());
}
using (BinaryReader br = new BinaryReader(File.OpenRead(output)))
{
br.BaseStream.Seek(zae.SOCDOffset, SeekOrigin.Begin);
byte[] cd = br.ReadBytes(zae.EOCDOffset - zae.SOCDOffset);
OptimizedCRC ocrc = new OptimizedCRC();
ocrc.Update(cd, 0, cd.Length);
zae.CentralDirectoryCRC = ocrc.Value;
}
using (BinaryWriter bw = new BinaryWriter(File.Open(output, FileMode.Append)))
{
bw.Write(zae.CentralDirectoryCRC.ToString("X8").ToCharArray());
}
}
/// <summary>
/// Reorder all of the files in the archive based on lowercase filename
/// </summary>
/// <param name="inputArchive">Source archive name</param>
/// <param name="logger">Logger object for file and console output</param>
/// <returns>True if the operation succeeded, false otherwise</returns>
public static bool TorrentZipArchive(string inputArchive, Logger logger)
{
bool success = false;
// If the input file doesn't exist, return
if (!File.Exists(inputArchive))
{
return success;
}
// Make sure the file is a zip file to begin with
if (GetCurrentArchiveType(inputArchive, logger) != ArchiveType.Zip)
{
return success;
}
ZipArchiveStruct zas = GetZipFileInfo(inputArchive, logger);
for (int i = 0; i < zas.Entries.Count; i++)
{
zas.Entries[i] = PopulateEntry(zas.Entries[i], inputArchive);
zas.Entries[i] = DecompressEntry(zas.Entries[i], inputArchive);
zas.Entries[i] = CompressEntry(zas.Entries[i]);
}
WriteTorrentZip(zas, inputArchive + ".new", logger);
Console.ReadLine();
return success;
}
/// <summary>
/// Convert uncompressed data in entry to compressed data
/// </summary>
/// <remarks>Does not seem to create TZIP compatible streams</remarks>
private static ZipArchiveEntryStruct CompressEntry(ZipArchiveEntryStruct zaes)
{
byte[] uncompressedData = zaes.Data;
using (MemoryStream cms = new MemoryStream())
using (MemoryStream ums = new MemoryStream(uncompressedData))
using (DeflateStream ds = new DeflateStream(cms, CompressionMode.Compress))
{
ums.CopyTo(ds);
ds.Flush();
zaes.Data = cms.ToArray();
}
return zaes;
}
/// <summary>
/// Populate an archive entry struct with uncompressed data from an input zip archive
/// </summary>
private static ZipArchiveEntryStruct DecompressEntry(ZipArchiveEntryStruct zaes, string input)
{
using (BinaryReader br = new BinaryReader(File.OpenRead(input)))
{
br.BaseStream.Seek(zaes.RelativeOffset + 30 + zaes.FileName.Length, SeekOrigin.Begin);
byte[] compressedData = br.ReadBytes((int)zaes.CompressedSize);
using (MemoryStream ums = new MemoryStream())
using (MemoryStream cms = new MemoryStream(compressedData))
using (DeflateStream ds = new DeflateStream(cms, CompressionMode.Decompress))
{
ds.CopyTo(ums);
ums.Flush();
zaes.Data = ums.ToArray();
}
}
return zaes;
}
/// <summary>
/// Populate an archive entry struct with data from an input zip archive
/// </summary>
private static ZipArchiveEntryStruct PopulateEntry(ZipArchiveEntryStruct zaes, string input)
{
using (BinaryReader br = new BinaryReader(File.OpenRead(input)))
{
br.BaseStream.Seek(zaes.RelativeOffset + 30 + zaes.FileName.Length, SeekOrigin.Begin);
zaes.Data = br.ReadBytes((int)zaes.CompressedSize);
}
return zaes;
}
#endregion
} }
} }

24
SimpleSort/SimpleSortApp.cs
View File

@@ -195,12 +195,6 @@ namespace SabreTools
return; return;
} }
// TorrentZip a folder
if (tzip)
{
InitTorrentZip(inputs, outdir, tempdir, logger);
}
// If we are converting the folder to TGZ // If we are converting the folder to TGZ
else if (convert) else if (convert)
{ {
@@ -234,24 +228,6 @@ namespace SabreTools
return; return;
} }
private static void InitTorrentZip(List<string> inputs, string outdir, string tempdir, Logger logger)
{
foreach (string input in inputs)
{
if (File.Exists(input))
{
FileTools.TorrentZipArchive(input, logger);
}
else if (Directory.Exists(input))
{
foreach (string file in Directory.EnumerateFiles(input, "*", SearchOption.AllDirectories))
{
FileTools.TorrentZipArchive(file, logger);
}
}
}
}
/// <summary> /// <summary>
/// Wrap sorting files using an input DAT /// Wrap sorting files using an input DAT
/// </summary> /// </summary>