#!/bin/sh

# This is an amateur script to decode mixminion SURB messages with Sylpheed-Claws
# from Kai Raven <kairaven@arcor.de> / OpenPGP: D6E995A0.
# Maybe somebody with skills in scripting or graphical GUI design can
# make a better one and/or a nice client.
# License: GPL
#
# You need:
# Sylpheed-Claws
# http://claws.sylpheed.org/
#
# Mixminion
# http://www.mixminion.net/
#
# Xdialog
# http://xdialog.dyns.net/
#
# a temp dir with tmpfs like this one (from fstab) or simply use /tmp
# none                    /tmp/remail          tmpfs   defaults,size=1m       0 0
# Symlink:
# 1. mkdir /tmp/remailer/queue 
# 2. ln -s /tmp/remail/queue ~/.mixminion/queue
#
# Usage:
# 1. Save the script as "syl-mixminion-decode" in your path
# 2. Make an action in Sylpheed-Claws: Configuration -> Actions:
#    Menu name: Mixminion/Mixminion-Decode-Surb
#    Command line: |syl-mixminion-decode
# 3. Choose Tools -> Actions -> Mixminion ->Mixminion-Decode-Surb

MIXTMP="/tmp/remail"
SYLTMP="$MIXTMP/syltmp"

# create queue in tmpfs dir.
if [ ! -d $MIXTMP/queue ] ; then
    mkdir $MIXTMP/queue
fi

cat - > $SYLTMP

PAS=`Xdialog	--stdout \
		--title "Mixminion - Decode" --buttons-style text \
		--left --password --inputbox "Fill in your SURB Passphrase" 0 0`

ret=$?

case $ret in
	0)
		MSG=`echo $PAS | mixminion decode --passphrase-fd=0 -i $SYLTMP`
		;;
	1)
    		shred -uz $SYLTMP        
    		exit 1
		;;
	255)
		echo "Box closed."
		;;
esac

shred -uz $SYLTMP
echo $MSG