\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/rubyzip-1.3.0/lib/zip/extra_field/

Viewing File: zip64.rb

module Zip
  # Info-ZIP Extra for Zip64 size
  class ExtraField::Zip64 < ExtraField::Generic
    attr_accessor :original_size, :compressed_size, :relative_header_offset, :disk_start_number
    HEADER_ID = ['0100'].pack('H*')
    register_map

    def initialize(binstr = nil)
      # unparsed binary; we don't actually know what this contains
      # without looking for FFs in the associated file header
      # call parse after initializing with a binary string
      @content = nil
      @original_size          = nil
      @compressed_size        = nil
      @relative_header_offset = nil
      @disk_start_number      = nil
      binstr && merge(binstr)
    end

    def ==(other)
      other.original_size == @original_size &&
        other.compressed_size == @compressed_size &&
        other.relative_header_offset == @relative_header_offset &&
        other.disk_start_number == @disk_start_number
    end

    def merge(binstr)
      return if binstr.empty?
      _, @content = initial_parse(binstr)
    end

    # pass the values from the base entry (if applicable)
    # wider values are only present in the extra field for base values set to all FFs
    # returns the final values for the four attributes (from the base or zip64 extra record)
    def parse(original_size, compressed_size, relative_header_offset = nil, disk_start_number = nil)
      @original_size = extract(8, 'Q<') if original_size == 0xFFFFFFFF
      @compressed_size = extract(8, 'Q<') if compressed_size == 0xFFFFFFFF
      @relative_header_offset = extract(8, 'Q<') if relative_header_offset && relative_header_offset == 0xFFFFFFFF
      @disk_start_number = extract(4, 'V') if disk_start_number && disk_start_number == 0xFFFF
      @content = nil
      [@original_size || original_size,
       @compressed_size || compressed_size,
       @relative_header_offset || relative_header_offset,
       @disk_start_number || disk_start_number]
    end

    def extract(size, format)
      @content.slice!(0, size).unpack(format)[0]
    end
    private :extract

    def pack_for_local
      # local header entries must contain original size and compressed size; other fields do not apply
      return '' unless @original_size && @compressed_size
      [@original_size, @compressed_size].pack('Q<Q<')
    end

    def pack_for_c_dir
      # central directory entries contain only fields that didn't fit in the main entry part
      packed = ''.force_encoding('BINARY')
      packed << [@original_size].pack('Q<') if @original_size
      packed << [@compressed_size].pack('Q<') if @compressed_size
      packed << [@relative_header_offset].pack('Q<') if @relative_header_offset
      packed << [@disk_start_number].pack('V') if @disk_start_number
      packed
    end
  end
end