Module: U3d::Downloader

Defined in:
lib/u3d/downloader.rb

Overview

Take care of downloading files and packages

Defined Under Namespace

Classes: LinuxDownloader, MacDownloader, WindowsDownloader

Constant Summary collapse

DOWNLOAD_DIRECTORY =

Name of the directory for the package downloading

'Unity_Packages'.freeze
DOWNLOAD_PATH =

Path to the directory for the package downloading

"#{ENV['HOME']}/Downloads".freeze
UNITY_MODULE_FILE_REGEX =

Regex to get the name of a package out of its file name

%r{\/([\w\-_\.\+]+\.(?:pkg|exe|zip|sh|deb))}

Class Method Summary collapse

Class Method Details

.download_package(path, url, size: nil) ⇒ Object 



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# File 'lib/u3d/downloader.rb', line 64

def download_package(path, url, size: nil)
  File.open(path, 'wb') do |f|
    uri = URI(url)
    current = 0
    Net::HTTP.start(uri.host, uri.port) do |http|
      request = Net::HTTP::Get.new uri
      http.request request do |response|
        begin
          size ||= Integer(response['Content-Length'])
        rescue ArgumentError
          UI.verbose 'Unable to get length of file in download'
        end
        started_at = Time.now.to_i - 1
        response.read_body do |segment|
          f.write(segment)
          current += segment.length
          next unless UI.interactive?
          if size
            Utils.print_progress(current, size, started_at)
          else
            Utils.print_progress_nosize(current, started_at)
          end
        end
      end
    end
    print "\n" if UI.interactive?
  end
rescue Interrupt => e
  # Ensure that the file is deleted if download is aborted
  File.delete path
  raise e
end

.hash_validation(expected: nil, actual: nil) ⇒ Object 



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# File 'lib/u3d/downloader.rb', line 38

def hash_validation(expected: nil, actual: nil)
  if expected
    if expected != actual
      UI.verbose "Expected hash is #{expected}, file hash is #{actual}"
      UI.important 'File looks corrupted (wrong hash)'
      return false
    end
  else
    UI.verbose 'No hash validation available. File is assumed correct but may not be.'
  end
  true
end

.size_validation(expected: nil, actual: nil) ⇒ Object 



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# File 'lib/u3d/downloader.rb', line 51

def size_validation(expected: nil, actual: nil)
  if expected
    if expected != actual
      UI.verbose "Expected size is #{expected}, file size is #{actual}"
      UI.important 'File looks corrupted (wrong size)'
      return false
    end
  else
    UI.verbose 'No size validation available. File is assumed correct but may not be.'
  end
  true
end