Class: Vagrant::Util::Downloader

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-s3auth-mfa/extension/downloader.rb

Instance Method Summary collapse

Instance Method Details

#execute_curl_with_s3auth(options, subprocess_options, &data_proc) ⇒ Object Also known as: execute_curl 



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# File 'lib/vagrant-s3auth-mfa/extension/downloader.rb', line 76

def execute_curl_with_s3auth(options, subprocess_options, &data_proc)
  execute_curl_without_s3auth(options, subprocess_options, &data_proc)
rescue Errors::DownloaderError => e
  # Ensure the progress bar from the just-failed request is cleared.
  @ui.clear_line if @ui

  s3auth_download(options, subprocess_options, &data_proc) || (raise e)
end

#s3auth_credential_source ⇒ Object 



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# File 'lib/vagrant-s3auth-mfa/extension/downloader.rb', line 11

def s3auth_credential_source
  credential_provider = S3Auth::Util.s3_credential_provider
  case credential_provider
  when ::Aws::Credentials
    I18n.t(
      'vagrant_s3auth.downloader.env_credential_provider',
      access_key: credential_provider.credentials.access_key_id,
      env_var: S3Auth::Util::AWS_ACCESS_KEY_ENV_VARS.find { |k| ENV.key?(k) }
    )
  when ::Aws::SharedCredentials
    I18n.t(
      'vagrant_s3auth.downloader.profile_credential_provider',
      access_key: credential_provider.credentials.access_key_id,
      profile: credential_provider.profile_name
    )
  when String
    I18n.t(
      'vagrant_s3auth.downloader.profile_credential_config',
      profile: credential_provider
    )
  end
end

#s3auth_download(options, subprocess_options, &data_proc) ⇒ Object 



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# File 'lib/vagrant-s3auth-mfa/extension/downloader.rb', line 34

def s3auth_download(options, subprocess_options, &data_proc)
  # The URL sent to curl is always the last argument. We have to rely
  # on this implementation detail because we need to hook into both
  # HEAD and GET requests.
  url = options.last

  s3_object = S3Auth::Util.s3_object_for(url)
  return unless s3_object

  @logger.info("s3auth: Discovered S3 URL: #{@source}")
  @logger.debug("s3auth: Bucket: #{s3_object.bucket.name.inspect}")
  @logger.debug("s3auth: Key: #{s3_object.key.inspect}")

  method = options.any? { |o| o == '-I' } ? :head : :get

  @logger.info("s3auth: Generating signed URL for #{method.upcase}")

  @ui.detail(s3auth_credential_source) if @ui

  url.replace(S3Auth::Util.s3_url_for(method, s3_object).to_s)

  execute_curl_without_s3auth(options, subprocess_options, &data_proc)
rescue Errors::DownloaderError => e
  if e.message =~ /403 Forbidden/
    e.message << "\n\n"
    e.message << I18n.t('vagrant_s3auth.errors.box_download_forbidden',
      bucket: s3_object && s3_object.bucket.name)
  end
  raise
rescue ::Aws::Errors::MissingCredentialsError
  raise S3Auth::Errors::MissingCredentialsError
rescue ::Aws::Errors::ServiceError => e
  raise S3Auth::Errors::S3APIError, error: e
rescue ::Seahorse::Client::NetworkingError => e
  # Vagrant ignores download errors during e.g. box update checks
  # because an internet connection isn't necessary if the box is
  # already downloaded. Vagrant isn't expecting AWS's
  # Seahorse::Client::NetworkingError, so we cast it to the
  # DownloaderError Vagrant expects.
  raise Errors::DownloaderError, message: e
end