Merge pull request #55 from benshoof/rar_protect_header

Added read support for RARs with Protect Headers
This commit is contained in:
Adam Hathcock
2015-05-08 13:58:05 +01:00
7 changed files with 54 additions and 0 deletions

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@@ -0,0 +1,22 @@
using SharpCompress.IO;
namespace SharpCompress.Common.Rar.Headers
{
// ProtectHeader is part of the Recovery Record feature
internal class ProtectHeader : RarHeader
{
protected override void ReadFromReader(MarkingBinaryReader reader)
{
Version = reader.ReadByte();
RecSectors = reader.ReadUInt16();
TotalBlocks = reader.ReadUInt32();
Mark = reader.ReadBytes(8);
}
internal uint DataSize { get { return AdditionalSize; } }
internal byte Version { get; private set; }
internal ushort RecSectors { get; private set; }
internal uint TotalBlocks { get; private set; }
internal byte[] Mark { get; private set; }
}
}

View File

@@ -151,6 +151,33 @@ namespace SharpCompress.Common.Rar.Headers
{
return header.PromoteHeader<MarkHeader>(reader);
}
case HeaderType.ProtectHeader:
{
ProtectHeader ph = header.PromoteHeader<ProtectHeader>(reader);
// skip the recovery record data, we do not use it.
switch (StreamingMode)
{
case StreamingMode.Seekable:
{
reader.BaseStream.Position += ph.DataSize;
}
break;
case StreamingMode.Streaming:
{
reader.BaseStream.Skip(ph.DataSize);
}
break;
default:
{
throw new InvalidFormatException("Invalid StreamingMode");
}
}
return ph;
}
case HeaderType.NewSubHeader:
{
FileHeader fh = header.PromoteHeader<FileHeader>(reader);

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@@ -307,6 +307,7 @@
<Compile Include="Common\Rar\Headers\RarHeader.cs" />
<Compile Include="IO\MarkingBinaryReader.cs" />
<Compile Include="Common\Rar\Headers\NewSubHeader.cs" />
<Compile Include="Common\Rar\Headers\ProtectHeader.cs" />
<Compile Include="AssemblyInfo.cs" />
<Compile Include="Common\Rar\Headers\RarHeaderFactory.cs" />
<Compile Include="Common\Rar\Headers\Flags.cs" />

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@@ -118,6 +118,7 @@
<Compile Include="Common\Rar\Headers\Flags.cs" />
<Compile Include="Common\Rar\Headers\MarkHeader.cs" />
<Compile Include="Common\Rar\Headers\NewSubHeader.cs" />
<Compile Include="Common\Rar\Headers\ProtectHeader.cs" />
<Compile Include="Common\Rar\Headers\RarHeader.cs" />
<Compile Include="Common\Rar\Headers\RarHeaderFactory.cs" />
<Compile Include="Common\Rar\Headers\SignHeader.cs" />

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@@ -315,6 +315,7 @@
<Compile Include="Common\Rar\Headers\RarHeader.cs" />
<Compile Include="IO\MarkingBinaryReader.cs" />
<Compile Include="Common\Rar\Headers\NewSubHeader.cs" />
<Compile Include="Common\Rar\Headers\ProtectHeader.cs" />
<Compile Include="AssemblyInfo.cs" />
<Compile Include="Common\Rar\Headers\RarHeaderFactory.cs" />
<Compile Include="Common\Rar\Headers\Flags.cs" />

View File

@@ -104,6 +104,7 @@
<Compile Include="Common\Rar\Headers\Flags.cs" />
<Compile Include="Common\Rar\Headers\MarkHeader.cs" />
<Compile Include="Common\Rar\Headers\NewSubHeader.cs" />
<Compile Include="Common\Rar\Headers\ProtectHeader.cs" />
<Compile Include="Common\Rar\Headers\RarHeader.cs" />
<Compile Include="Common\Rar\Headers\RarHeaderFactory.cs" />
<Compile Include="Common\Rar\Headers\SignHeader.cs" />

View File

@@ -307,6 +307,7 @@
<Compile Include="Common\Rar\Headers\RarHeader.cs" />
<Compile Include="IO\MarkingBinaryReader.cs" />
<Compile Include="Common\Rar\Headers\NewSubHeader.cs" />
<Compile Include="Common\Rar\Headers\ProtectHeader.cs" />
<Compile Include="AssemblyInfo.cs" />
<Compile Include="Common\Rar\Headers\RarHeaderFactory.cs" />
<Compile Include="Common\Rar\Headers\Flags.cs" />