dotfiles/mutt/scripts/ciscoclean

   1 #!/bin/sh
   2
   3 set -e
   4
   5 PROG="$0"
   6
   7 ciscowipe() {
   8     # Remove secure-web.cisco.com prefix
   9       sed -E "s!https?://secure-web.cisco.com/[^/ ]*/!!g" |
  10     # URL decode
  11      # Decodes all URL escape sequences
  12      #sed -e 's!+! !g;s!%\([0-9A-Fa-f]\{2\}\)!\\x\1!g' | xargs -0 printf "%b"
  13      # Decodes only some escape sequences, but leaves others, like spacs,
  14      # as is.
  15      sed 's!%3A!:!g;s!%2F!/!g;s!%3F!?!g;s!%3D!=!g;s!%26!\&!g'
  16 }
  17
  18 usage() {
  19     cat<<EOF
  20 Mr. Clean for Cisco's mail snakeoil. It restores the original URL from the URL
  21 generated by Cisco's mail security software.
  22
  23 Usage:
  24     $PROG -h
  25     $PROG [FILE]...
  26
  27 If no filename is given then stdin is processed. Otherwise all files passed are
  28 processed.
  29 EOF
  30 }
  31
  32 if [ "$#" -eq 0 ]; then
  33     ciscowipe
  34 else
  35     for f in "$@"; do
  36         if [ "$f" = "-h" ]; then
  37             usage
  38             exit
  39         fi
  40         cat "$f" | ciscowipe
  41     done
  42 fi