omemo-qrcode-gen/src/omemo-qrcode-gen

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#!/bin/bash
# Author: Bandie <bandie@chaospott.de>
# License: GPL-3
QR_TEXT="Type \"qr\" for displaying the QR code on your command line only.\n"
STDOUT_TEXT="Type \"stdout\" to just put the string into stdout.\n"
function helpme() {
echo "$0 [ Jabber ID ] [ Device ID ] [ Fingerprint ] [ [ Filename.png ] | [ qr ] | [ stdout ] ]"
echo "You can use $0 without any arguments or put all the needed arguments in here."
echo "Don't forget the quotation marks. ;)"
echo "Requires qrencode and/or qr or even nothing."
echo -e "\nExample:"
echo -e "# $0 [ Jabber ID ] [ Device ID ] \"[ Fingerprint ]\" [ filename.png or \"qr\" or \"stdout\" ] "
echo "# This will use qr to generate the QR code."
echo -e "$0 bandie@example.com 9876543210 \"12345678 ABCDEF12 12345678 ABCDEF12 12345678 ABCDEF12 12345678 ABCDEF12\" qr"
echo "# This will use qrencode to generate the QR code and will save it into foo.png"
echo -e "$0 bandie@example.com 9876543210 \"12345678 ABCDEF12 12345678 ABCDEF12 12345678 ABCDEF12 12345678 ABCDEF12\" foo.png"
echo "# This will put the string into stdout"
echo -e "$0 bandie@example.com 9876543210 \"12345678 ABCDEF12 12345678 ABCDEF12 12345678 ABCDEF12 12345678 ABCDEF12\" stdout"
}
function gen() {
if [[ "$3" =~ [G-Zg-z] ]]; then
echo "$0: Error: This is not a valid fingerprint."
exit 1
fi
FP=$(echo "$3" | sed 's/ //g' | tr '[:upper:]' '[:lower:]')
OMEMOSTR="xmpp:$1?omemo-sid-$2=$FP"
if [ -n "$QR" ]; then
if [ "$4" = "qr" ]; then
echo "$OMEMOSTR" | $QR
exit 0
fi
fi
if [ "$4" = "stdout" ]; then
echo "$OMEMOSTR"
exit 0
fi
if [ -n "$QRENCODE" ]; then
echo "$OMEMOSTR" | $QRENCODE -s 5 -o "$4"
exit 0
fi
}
if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
helpme
exit 0
fi
export QR=$(which qr)
export QRENCODE=$(which qrencode)
if [ -z "$1" ]; then
if [ -n "$QRENCODE" ]; then
echo -en "Enter a filename.\n"
fi
if [ -n "$QR" ]; then
echo -en "$QR_TEXT"
fi
echo -en "$STDOUT_TEXT"
if [ -n "$QRENCODE" ]; then
echo -en "(output.png)"
fi
echo -en ": "
read file
if [ -z "$file" ]; then
file="output.png"
fi
read -p "Enter your Jabber-ID (JID): " jid
read -p "Enter your device ID: " did
IFS="$(echo -e "\n")"
read -p "Enter your fingerprint of this device: " fp
gen "$jid" "$did" "$fp" "$file"
exit 0
else
if [ -n "$2" ] && [ -n "$3" ] && [ -n "$4" ]; then
gen "$1" "$2" "$3" "$4"
exit 0
else
echo -e "$0: Error. To few arguments.\nTry running \"$0 --help\""
exit 1
fi
fi