// Licensed to the .NET Foundation under one or more agreements.

// The .NET Foundation licenses this file to you under the MIT license.

#include "header.h"

#include "reader.h"

#include "error_codes.h"

#include "trace.h"

using namespace bundle;

bool header_fixed_t::is_valid() const

{

if (num_embedded_files <= 0)

{

return false;

}

// .net 6 host expects the version information to be 6.0

// .net 5 host expects the version information to be 2.0

// .net core 3 single-file bundles are handled within the netcoreapp3.x apphost, and are not processed here in the framework.

return ((major_version == 6) && (minor_version == 0)) ||

((major_version == 2) && (minor_version == 0));

}

header_t header_t::read(reader_t& reader)

{

header_fixed_t fixed_header;

reader.read(&fixed_header, sizeof(header_fixed_t));

if (!fixed_header.is_valid())

{

trace::error(_X("Failure processing application bundle."));

trace::error(_X("Bundle header version compatibility check failed. Header version: %d.%d"), fixed_header.major_version, fixed_header.minor_version);

throw StatusCode::BundleExtractionFailure;

}

header_t header(fixed_header.major_version, fixed_header.minor_version, fixed_header.num_embedded_files);

// bundle_id is a component of the extraction path

reader.read_path_string(header.m_bundle_id);

reader.read(&header.m_v2_header, sizeof(header_fixed_v2_t));

return header;

}