cookbooks/overpass/templates/default/totp-filter.erb

   1 #!/usr/bin/ruby
   2
   3 require "cgi"
   4 require "rotp"
   5
   6 totp = ROTP::TOTP.new("<%= @totp_key %>", :interval => 3600)
   7
   8 STDIN.each_line do |header|
   9   cookies = CGI::Cookie.parse(header.chomp)
  10
  11   if cookie = cookies.fetch("_osm_totp_token", nil)
  12     if totp.verify(cookie.value.first, :drift_behind => 3600, :drift_ahead => 3600)
  13       STDOUT.syswrite("1\n")
  14     else
  15       STDOUT.syswrite("0\n")
  16     end
  17   else
  18     STDOUT.syswrite("0\n")
  19   end
  20 end
  21
  22 exit 0