home/bin/jwt_show

   1 #! /usr/bin/awk -f
   2
   3 function print_title(title,    _i) {
   4     print title
   5     for (_i = 1; _i <= length(title); _i++)
   6         printf "="
   7     printf "\n"
   8 }
   9
  10 function print_decoded_field(field,    _i, _decode) {
  11     _decode = "base64 -d | json_pp"
  12     print $field | _decode
  13     close(_decode)
  14 }
  15
  16 BEGIN {
  17     FS = "."
  18 }
  19
  20 {
  21     print_title("Header")
  22     print_decoded_field(1)
  23     print_title("Payload")
  24     print_decoded_field(2)
  25     print_title("Signature")
  26     print $3
  27 }