diff options
Diffstat (limited to 'lib/bundler/rubygems_gem_installer.rb')
| -rw-r--r-- | lib/bundler/rubygems_gem_installer.rb | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/lib/bundler/rubygems_gem_installer.rb b/lib/bundler/rubygems_gem_installer.rb deleted file mode 100644 index 2b7fa8e0f6..0000000000 --- a/lib/bundler/rubygems_gem_installer.rb +++ /dev/null @@ -1,99 +0,0 @@ -# frozen_string_literal: true - -require "rubygems/installer" - -module Bundler - class RubyGemsGemInstaller < Gem::Installer - unless respond_to?(:at) - def self.at(*args) - new(*args) - end - end - - def check_executable_overwrite(filename) - # Bundler needs to install gems regardless of binstub overwriting - end - - def pre_install_checks - super && validate_bundler_checksum(options[:bundler_expected_checksum]) - end - - def build_extensions - extension_cache_path = options[:bundler_extension_cache_path] - return super unless extension_cache_path && extension_dir = Bundler.rubygems.spec_extension_dir(spec) - - extension_dir = Pathname.new(extension_dir) - build_complete = SharedHelpers.filesystem_access(extension_cache_path.join("gem.build_complete"), :read, &:file?) - if build_complete && !options[:force] - SharedHelpers.filesystem_access(extension_dir.parent, &:mkpath) - SharedHelpers.filesystem_access(extension_cache_path) do - FileUtils.cp_r extension_cache_path, spec.extension_dir - end - else - super - if extension_dir.directory? # not made for gems without extensions - SharedHelpers.filesystem_access(extension_cache_path.parent, &:mkpath) - SharedHelpers.filesystem_access(extension_cache_path) do - FileUtils.cp_r extension_dir, extension_cache_path - end - end - end - end - - private - - def validate_bundler_checksum(checksum) - return true if Bundler.settings[:disable_checksum_validation] - return true unless checksum - return true unless source = @package.instance_variable_get(:@gem) - return true unless source.respond_to?(:with_read_io) - digest = source.with_read_io do |io| - digest = SharedHelpers.digest(:SHA256).new - digest << io.read(16_384) until io.eof? - io.rewind - send(checksum_type(checksum), digest) - end - unless digest == checksum - raise SecurityError, <<-MESSAGE - Bundler cannot continue installing #{spec.name} (#{spec.version}). - The checksum for the downloaded `#{spec.full_name}.gem` does not match \ - the checksum given by the server. This means the contents of the downloaded \ - gem is different from what was uploaded to the server, and could be a potential security issue. - - To resolve this issue: - 1. delete the downloaded gem located at: `#{spec.gem_dir}/#{spec.full_name}.gem` - 2. run `bundle install` - - If you wish to continue installing the downloaded gem, and are certain it does not pose a \ - security issue despite the mismatching checksum, do the following: - 1. run `bundle config disable_checksum_validation true` to turn off checksum verification - 2. run `bundle install` - - (More info: The expected SHA256 checksum was #{checksum.inspect}, but the \ - checksum for the downloaded gem was #{digest.inspect}.) - MESSAGE - end - true - end - - def checksum_type(checksum) - case checksum.length - when 64 then :hexdigest! - when 44 then :base64digest! - else raise InstallError, "The given checksum for #{spec.full_name} (#{checksum.inspect}) is not a valid SHA256 hexdigest nor base64digest" - end - end - - def hexdigest!(digest) - digest.hexdigest! - end - - def base64digest!(digest) - if digest.respond_to?(:base64digest!) - digest.base64digest! - else - [digest.digest!].pack("m0") - end - end - end -end |