Module: Ruar::Serialize

Defined in:
lib/ruar/serialize.rb,
ext/ruar/ruar.c

Defined Under Namespace

Modules: Native

Class Method Summary collapse

Class Method Details

.aead(srcdir, dstfile) ⇒ Object 



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# File 'lib/ruar/serialize.rb', line 13

def self.aead(srcdir, dstfile)
  time = Time.now.strftime('%Y%m%dT%H%M')
  tmpdir = File.expand_path("ruar_#{time}", Dir.tmpdir)
  FileUtils.copy_entry(srcdir, tmpdir)

  encryption_info = nil
  index = Ruar::Index.new(tmpdir) do |file|
    data = File.read(file)
    encryption_info = Ruar.cipher.encrypt(data)
    File.write(file, encryption_info[:encrypted])
  end

  encrypted_index = Ruar.cipher.encrypt(index.json_index)[:encrypted]
  Ruar::Serialize::Native.aead_header(dstfile, encrypted_index)

  index.source_info.each do |src|
    Ruar::Serialize::Native.append_file(dstfile, src['realpath'])
  end

  setup_file = <<~SETUP
    Ruar.cipher.setup(
      iv: '#{Base64.encode64(encryption_info[:iv]).chomp}',
      key: '#{Base64.encode64(encryption_info[:key]).chomp}',
      auth_data: '#{Base64.encode64(encryption_info[:auth_data]).chomp}',
      tag: '#{Base64.encode64(encryption_info[:tag]).chomp}')
    Ruar.cipher.enable
  SETUP

  File.write("#{dstfile}.setup", setup_file)

  FileUtils.rm_rf(tmpdir)
end

.plain(srcdir, dstfile) ⇒ Object 



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# File 'lib/ruar/serialize.rb', line 5

def self.plain(srcdir, dstfile)
  index = Ruar::Index.new(srcdir)
  Ruar::Serialize::Native.plain_header(dstfile, index.json_index)
  index.source_info.each do |src|
    Ruar::Serialize::Native.append_file(dstfile, src['realpath'])
  end
end