#!/bin/bash
set -euf
thisdir="$(dirname $0)"
pipename="${XDG_RUNTIME_DIR:-/tmp}/echoz-$$.pipe"
jid="$1"
password="$2"
username="$(echo "$jid" | cut -d'@' -f1)"
domain="$(echo "$jid" | cut -d'@' -f2)"
srv="$( ( dig +short SRV "_xmpp-client._tcp.$domain" || echo "0 0 5222 $domain" ) | sort -n)"
host="$(echo "$srv" | cut -d' ' -f4)"
port="$(echo "$srv" | cut -d' ' -f3)"
authstr="$(echo -ne "\0$username\0$password" | base64)"
rm -f $pipename
mkfifo $pipename
stdbuf -i0 -o0 openssl s_client -starttls xmpp -xmpphost $domain -connect $host:$port -quiet < $pipename | (echo -ne "$jid $authstr\n"; stdbuf -o0 tr '>\n' '\n\001') | stdbuf -o0 "$thisdir/echoz.sed" | stdbuf -o0 tr -d '\n' | stdbuf -o0 tr '\001' '\n' > $pipename