扫描局域网中Gogs服务器（ruby）

scanGogs.rb

 #!/usr/bin/env ruby
 require 'net/http'
 require 'thread'
 require 'english'

 # config
 CONFIG_IPDOMAIN = '30.96.68.'.freeze
 CONFIG_RANGE = (2..254)
 CONFIG_URITEMPLATE = 'http://%s:3000/user/login'.freeze
 CONFIG_READ_TIMEOUT = 30
 CONFIG_HIDE_ERROR = true

 # tty
 TTY_FG = { Black: 30, Red: 31, Green: 32, Yellow: 33, Blue: 34,
            Magenta: 35, Cyan: 36, White: 37 }.freeze
 TTY_BG = { Black: 40, Red: 41, Green: 42, Yellow: 43, Blue: 44,
            Magenta: 45, Cyan: 46, White: 47 }.freeze
 TTY_MD = { Reset: 0, Bold: 1, Italics: 3, Underlined: 4 }.freeze

 def tty_msg(msg, tty_fg: nil, tty_bg: nil, tty_md: nil)
   l = []
   l << TTY_MD[tty_md] if tty_md
   l << TTY_FG[tty_fg] if tty_fg
   l << TTY_BG[tty_bg] if tty_bg
   if l.size > 0
     m = l.join(';')
     "\033[#{m}m#{msg}\033[0m"
   else
     msg
   end
 end

 # tty styles
 def note_style(msg)
   tty_msg(msg, tty_fg: :Yellow, tty_md: :Underlined)
 end

 def yes_style(msg)
   tty_msg(msg, tty_fg: :Black, tty_md: :Bold, tty_bg: :Green)
 end

 def httpcode_style(msg)
   tty_msg(msg, tty_fg: :White, tty_bg: :Blue)
 end

 def error_style(msg)
   tty_msg(msg, tty_fg: :White, tty_bg: :Red)
 end

 # timeout
 module Net
   # initialize timeout
   class HTTP
     alias old_initialize initialize

     def initialize(*args)
       old_initialize(*args)
       @read_timeout = CONFIG_READ_TIMEOUT
     end
   end
 end

 # main
 puts note_style('Working...')
 success_list = []
 httperr_list = []
 threads = []
 CONFIG_RANGE.each do |n|
   threads << Thread.new do
     s = CONFIG_IPDOMAIN + String(n)
     uri = URI(format(CONFIG_URITEMPLATE, s))
     begin
       res = Net::HTTP.get_response(uri)
       if res.is_a?(Net::HTTPSuccess)
         s << "\t" << yes_style('**YES**')
         success_list << uri.to_s
       else
         httperr = "\t#{httpcode_style(res.code)} #{res.message}\n"
         s << httperr
         httperr_list << (uri.to_s + httperr)
       end
       puts s
     rescue
       unless CONFIG_HIDE_ERROR
         s << "\t#{error_style('error')} #{$ERROR_INFO}\n"
         puts s
       end
     end
   end
 end

 threads.each(&:join)
 puts "\n" << note_style("HttpErr Result: #{httperr_list.size}")
 httperr_list.each { |s| puts s }
 puts "\n" << note_style("Success Result: #{success_list.size}")
 success_list.each { |s| puts s }