66 lines
2.0 KiB
C#
66 lines
2.0 KiB
C#
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using System.IO;
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namespace SharpCompress.Common.Zip.Headers
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{
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internal enum ExtraDataType : ushort
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{
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WinZipAes = 0x9901,
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}
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internal class ExtraData
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{
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internal ExtraDataType Type { get; set; }
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internal ushort Length { get; set; }
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internal byte[] DataBytes { get; set; }
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}
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internal class LocalEntryHeader : ZipFileEntry
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{
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public LocalEntryHeader()
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: base(ZipHeaderType.LocalEntry)
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{
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}
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internal override void Read(BinaryReader reader)
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{
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Version = reader.ReadUInt16();
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Flags = (HeaderFlags) reader.ReadUInt16();
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CompressionMethod = (ZipCompressionMethod) reader.ReadUInt16();
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LastModifiedTime = reader.ReadUInt16();
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LastModifiedDate = reader.ReadUInt16();
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Crc = reader.ReadUInt32();
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CompressedSize = reader.ReadUInt32();
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UncompressedSize = reader.ReadUInt32();
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ushort nameLength = reader.ReadUInt16();
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ushort extraLength = reader.ReadUInt16();
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byte[] name = reader.ReadBytes(nameLength);
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byte[] extra = reader.ReadBytes(extraLength);
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Name = DecodeString(name);
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LoadExtra(extra);
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}
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internal override void Write(BinaryWriter writer)
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{
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writer.Write(Version);
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writer.Write((ushort) Flags);
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writer.Write((ushort) CompressionMethod);
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writer.Write(LastModifiedTime);
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writer.Write(LastModifiedDate);
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writer.Write(Crc);
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writer.Write(CompressedSize);
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writer.Write(UncompressedSize);
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byte[] nameBytes = EncodeString(Name);
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writer.Write((ushort) nameBytes.Length);
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writer.Write((ushort) 0);
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//if (Extra != null)
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//{
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// writer.Write(Extra);
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//}
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writer.Write(nameBytes);
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}
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internal ushort Version { get; private set; }
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}
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}
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