Box and Unbox

unbox.sh

#/bin/bash

# Emoji / logging nonsense
SPACE=$'\xe2\x80\x83'
ERROR=$'\xF0\x9F\x94\xB4'$SPACE
INFO=$'\xF0\x9F\x94\xB5'$SPACE
OK=$'\xE2\x9C\x85'$SPACE
error() { echo "$ERROR $1"; }
warn() { echo "$INFO $1"; }
ok() { echo "$OK $1"; }

if [ -z "$1" ]; then
  error "Specify the file to decrypt as the first argument"
  exit 1
fi

if [ ! -e "$1" ]; then
  error "$1 doesn't exist."
  exit 1
fi

OUTPUT=$2
if [ -z "$OUTPUT" ]; then
    warn "You didn't specify a target folder, will unpack to current folder $(pwd)"
    OUTPUT=$(pwd)
fi

if [ ! -e "$OUTPUT" ]; then
    warn "The output folder $OUTPUT does not exist, creating it"
    mkdir -p "$OUTPUT"
fi

tmpfile=$(mktemp $OUTPUT/unpacked-XXXXXX)

ok "Decrypt $1 to $tmpfile"
openssl enc -d -aes-256-cbc -in "$1" -out "$tmpfile"

ok "Unpack $tmpfile to $OUTPUT"
tar Jxvf $tmpfile -C $OUTPUT

ok "Cleanup temp file $tmpfile"
rm $tmpfile