strongpassword

#!/usr/bin/env ruby

require 'cgi'
require 'open-uri'

# password length
if (ARGV[0].nil?) || (ARGV[0] > "64")
  pass_len = 64
else
  pass_len = ARGV[0].to_i
end

# pbcopy
def pbcopy(input)
  str = input.to_s
  IO.popen('pbcopy', 'w') { |f| f << str }
  str
end

# get passwords as arrays of characters
grc = CGI.unescapeHTML(open('https://www.grc.com/passwords.htm', &:read).split("\n").grep(/ASCII characters:/).to_s.gsub(/.*2>|<.*/, '')).split('')
rorg = open('https://www.random.org/passwords/?num=8&len=24&format=html&rnd=new', &:read).split("\n").grep(/<li>/).last(8).join.to_s.gsub(/<li>|<\/li>/, '').split('')

# number of characters to take from each one
grc_len = rand(pass_len/3..pass_len*2/3)
rorg_len = pass_len - grc_len

tmp_pass = Array.new
final_pass = String.new

# get random characters from each array
grc_len.times do
  tmp_pass << grc.delete_at(rand(grc.length))
end

rorg_len.times do
  tmp_pass << rorg.delete_at(rand(rorg.length))
end

# get random characters union of both
pass_len.times do
  final_pass += tmp_pass.delete_at(rand(tmp_pass.length))
end

pbcopy final_pass
puts "Password copied to clipboard (#{pass_len} characters)"