public ZipArchiveFile this[string archivePath]
{
get
{
ZipArchiveFile zipArchiveFile = null;
this.entries.TryGetValue(archivePath, out zipArchiveFile);
return(zipArchiveFile);
}
}
public TextWriter CreateText(string archivePath)
{
ZipArchiveFile zipArchiveFile;
if (!this.entries.TryGetValue(archivePath, out zipArchiveFile))
{
zipArchiveFile = new ZipArchiveFile(this, archivePath);
}
return(zipArchiveFile.CreateText());
}
public void WriteAllText(string archivePath, string data)
{
ZipArchiveFile zipArchiveFile;
if (!this.entries.TryGetValue(archivePath, out zipArchiveFile))
{
zipArchiveFile = new ZipArchiveFile(this, archivePath);
}
zipArchiveFile.WriteAllText(data);
}
public void CopyFromFile(string sourceFilePath, string targetArchivePath)
{
using (Stream fileStream = new FileStream(sourceFilePath, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Write | FileShare.ReadWrite | FileShare.Delete))
{
using (Stream stream = this.Create(targetArchivePath))
{
ZipArchiveFile.CopyStream(fileStream, stream);
}
}
this[targetArchivePath].LastWriteTime = File.GetLastWriteTime(sourceFilePath);
}
public void CopyTo(string outputArchivePath)
{
using (Stream stream = this.archive.Create(outputArchivePath))
{
using (Stream stream1 = this.OpenRead())
{
ZipArchiveFile.CopyStream(stream1, stream);
}
}
this.archive[outputArchivePath].LastWriteTime = this.LastWriteTime;
}
public void CopyToFile(string outputFilePath)
{
string directoryName = Path.GetDirectoryName(outputFilePath);
if (directoryName.Length > 0)
{
Directory.CreateDirectory(directoryName);
}
using (Stream fileStream = new FileStream(outputFilePath, FileMode.Create))
{
using (Stream stream = this.OpenRead())
{
ZipArchiveFile.CopyStream(stream, fileStream);
}
}
File.SetLastWriteTime(outputFilePath, this.LastWriteTime);
}
private void WriteZipFileHeader(Stream writer)
{
byte[] bytes = Encoding.UTF8.GetBytes(this.name.Replace(Path.DirectorySeparatorChar, '/'));
if ((ulong)((uint)this.length) != this.length)
{
throw new ApplicationException("File length too long.");
}
this.headerOffset = (uint)writer.Position;
ByteBuffer byteBuffer = new ByteBuffer(30);
byteBuffer.WriteUInt32(67324752);
byteBuffer.WriteUInt16(256);
byteBuffer.WriteUInt16(0);
byteBuffer.WriteUInt16((ushort)this.compressionMethod);
byteBuffer.WriteUInt32(ZipArchiveFile.DateTimeToDosTime(this.lastWriteTime));
byteBuffer.WriteUInt32(this.CheckSum);
byteBuffer.WriteUInt32((uint)this.compressedLength);
byteBuffer.WriteUInt32((uint)this.Length);
byteBuffer.WriteUInt16((ushort)((int)bytes.Length));
byteBuffer.WriteUInt16(0);
byteBuffer.WriteContentsTo(writer);
writer.Write(bytes, 0, (int)bytes.Length);
}
internal void WriteArchiveDirectoryEntryToStream(Stream writer)
{
byte[] bytes = Encoding.UTF8.GetBytes(this.name);
ByteBuffer byteBuffer = new ByteBuffer(46);
byteBuffer.WriteUInt32(33639248);
byteBuffer.WriteUInt16(0);
byteBuffer.WriteUInt16(256);
byteBuffer.WriteUInt16(0);
byteBuffer.WriteUInt16((ushort)this.compressionMethod);
byteBuffer.WriteUInt32(ZipArchiveFile.DateTimeToDosTime(this.lastWriteTime));
byteBuffer.WriteUInt32(this.CheckSum);
byteBuffer.WriteUInt32((uint)this.compressedLength);
byteBuffer.WriteUInt32((uint)this.Length);
byteBuffer.WriteUInt16((ushort)((int)bytes.Length));
byteBuffer.WriteUInt16(0);
byteBuffer.WriteUInt16(0);
byteBuffer.WriteUInt16(0);
byteBuffer.WriteUInt16(0);
byteBuffer.WriteUInt32(0);
byteBuffer.WriteUInt32(this.headerOffset);
byteBuffer.WriteContentsTo(writer);
writer.Write(bytes, 0, (int)bytes.Length);
}
private void Read(Stream archiveStream)
{
while (ZipArchiveFile.Read(this) != null)
{
}
}
internal static ZipArchiveFile Read(ZipArchive archive)
{
Stream stream = archive.fromStream;
ByteBuffer byteBuffer = new ByteBuffer(30);
int num = byteBuffer.ReadContentsFrom(stream);
if (num == 0)
{
return(null);
}
uint num1 = byteBuffer.ReadUInt32();
if (num1 != 67324752)
{
if (num1 != 33639248)
{
throw new ApplicationException("Bad ZipFile Header");
}
return(null);
}
if (byteBuffer.ReadUInt16() > 256)
{
throw new ApplicationException("Zip file requires unsupported features");
}
byteBuffer.SkipBytes(2);
ZipArchiveFile zipArchiveFile = new ZipArchiveFile(archive, null)
{
compressionMethod = (ZipArchiveFile.CompressionMethod)byteBuffer.ReadUInt16(),
lastWriteTime = ZipArchiveFile.DosTimeToDateTime(byteBuffer.ReadUInt32()),
crc32 = new uint?(byteBuffer.ReadUInt32()),
compressedLength = (void *)(checked ((int)byteBuffer.ReadUInt32())),
length = (long)byteBuffer.ReadUInt32()
};
int num2 = byteBuffer.ReadUInt16();
byte[] numArray = new byte[num2];
int num3 = stream.Read(numArray, 0, num2);
zipArchiveFile.name = Encoding.UTF8.GetString(numArray).Replace('/', Path.DirectorySeparatorChar);
archive.entries[zipArchiveFile.name] = zipArchiveFile;
if (num != byteBuffer.Length || num3 != num2 || num2 == 0 || zipArchiveFile.LastWriteTime.Ticks == (long)0)
{
throw new ApplicationException("Bad Zip File Header");
}
if (zipArchiveFile.Name.IndexOfAny(ZipArchiveFile.invalidPathChars) >= 0)
{
throw new ApplicationException("Invalid File Name");
}
if (zipArchiveFile.compressionMethod != ZipArchiveFile.CompressionMethod.None && zipArchiveFile.compressionMethod != ZipArchiveFile.CompressionMethod.Deflate)
{
throw new ApplicationException(string.Concat("Unsupported compression mode ", zipArchiveFile.compressionMethod));
}
if (!archive.IsReadOnly || !stream.CanSeek)
{
zipArchiveFile.compressedData = new byte[zipArchiveFile.compressedLength];
stream.Read(zipArchiveFile.compressedData, 0, zipArchiveFile.compressedLength);
}
else
{
zipArchiveFile.positionOfCompressedDataInArchive = archive.fromStream.Position;
stream.Seek((long)zipArchiveFile.compressedLength, SeekOrigin.Current);
}
return(zipArchiveFile);
}
