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require 'pathname'
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require 'rubygems'
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GEMFILE_EXTENSIONS = [
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    '.local',
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    ''
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]
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msfenv_real_pathname = Pathname.new(__FILE__).realpath
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root = msfenv_real_pathname.parent.parent
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unless ENV['BUNDLE_GEMFILE']
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  require 'pathname'
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  GEMFILE_EXTENSIONS.each do |extension|
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    extension_pathname = root.join("Gemfile#{extension}")
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    if extension_pathname.readable?
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      ENV['BUNDLE_GEMFILE'] = extension_pathname.to_path
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      break
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    end
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  end
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end
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begin
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  require 'bundler/setup'
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rescue LoadError => e
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  $stderr.puts "[*] Bundler failed to load and returned this error:"
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  $stderr.puts
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  $stderr.puts "   '#{e}'"
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  $stderr.puts
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  $stderr.puts "[*] You may need to uninstall or upgrade bundler"
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  exit(1)
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end
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lib_path = root.join('lib').to_path
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unless $LOAD_PATH.include? lib_path
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  $LOAD_PATH.unshift lib_path
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end
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require 'digest'
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require 'metasploit/framework/version'
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require 'msf/base/config'
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# Invalidate and delete the bootsnap cache if required. For instance if the metasploit-framework version has changed.
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#
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# @param [Hash] bootsnap_config See https://github.com/Shopify/bootsnap/blob/95e8d170aea99a831fd484ce09ad2f195644e740/lib/bootsnap.rb#L38
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# @return [void]
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def invalidate_bootsnap_cache!(bootsnap_config)
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  expected_cache_metadata = {
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    'metasploit_framework_version' => Metasploit::Framework::Version::VERSION,
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    'ruby_description' => RUBY_DESCRIPTION,
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    'bundler_lockfile_hash' => Digest::MD5.hexdigest(Bundler.read_file(Bundler.default_lockfile)),
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    'bootsnap_config' => {
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      'load_path_cache' => bootsnap_config[:load_path_cache],
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      'compile_cache_iseq' => bootsnap_config[:compile_cache_iseq],
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      'compile_cache_yaml' => bootsnap_config[:compile_cache_yaml],
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    }
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  }
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  cache_metadata_path = File.join(bootsnap_config[:cache_dir], "metadata.yaml")
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  if File.exist?(cache_metadata_path)
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    cache_metadata = YAML.safe_load(File.binread(cache_metadata_path))
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    if cache_metadata != expected_cache_metadata
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      FileUtils.rm_rf(bootsnap_config[:cache_dir], secure: true)
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    end
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  end
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  FileUtils.mkdir_p(bootsnap_config[:cache_dir])
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  File.binwrite(cache_metadata_path, expected_cache_metadata.to_yaml)
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  nil
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end
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# Attempt to use bootsnap caching for improved startup time
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begin
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  require 'bootsnap'
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  env = ENV['RAILS_ENV'] || ENV['RACK_ENV'] || ENV['ENV']
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  development_mode = ['', nil, 'development'].include?(env)
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  cache_dir = ::File.join(Msf::Config.config_directory, "bootsnap_cache")
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  bootsnap_config = {
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    cache_dir: cache_dir,
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    ignore_directories: [],
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    development_mode: development_mode,
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    load_path_cache: true, # Optimize the LOAD_PATH with a cache
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    compile_cache_iseq: false, # Don't compile Ruby code into ISeq cache, breaks coverage reporting.
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    compile_cache_yaml: false, # Don't compile YAML into a cache
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    readonly: false, # Update caches - https://github.com/Shopify/bootsnap/commit/b51397f96c33aa421fd5c29484fb9574df9eb451
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  }
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  invalidate_bootsnap_cache!(bootsnap_config)
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  Bootsnap.setup(**bootsnap_config)
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rescue => e
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  $stderr.puts "Warning: Failed bootsnap cache setup - #{e.class} #{e} #{e.backtrace}"
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  begin
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    FileUtils.rm_rf(cache_dir, secure: true)
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  rescue
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    $stderr.puts 'Warning: Failed deleting bootsnap cache'
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  end
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end
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