#!/bin/bash

# This script will toss incoming mail received from binkd (unless ${SEMADIR}/notoss exits) after a 5 second delay.
# Written by deon - Alterant BBS - April 2020

SEMADIR=/fido/semafore
SEMAFORE=${SEMADIR}/tossing

# For QICO calls
if [ $# -gt 0 ]; then
	touch ${SEMADIR}/tossmail
fi

# If we are configured not to toss
[ -e ${SEMADIR}/notoss ] && exit

(
# Delay our start so binkd has time to finish and create the semafore
sleep 5

# Force a run anyway, if our semafore is old.
NOW=$(($(date '+%s')-300))
STAT=$(test -e ${SEMAFORE} && stat -c %Y ${SEMAFORE} || echo 0)
IN=/fido/mailer/in
INBAK=/fido/mailer/in.backup

if [ -e ${SEMADIR}/backup ]; then
	cp -rl ${IN} ${INBAK}
fi

# Dont toss if already doing it.
if [ ! -e ${SEMAFORE} -o ${NOW} -ge ${STAT} ]; then
	touch ${SEMAFORE}

	# Inbound mail to toss
	if [ -e ${SEMADIR}/tossmail ]; then
		rm -f ${SEMADIR}/tossmail
    		hpt toss
	fi

	# Debugging - not sure how we use this file
	if [ -e /var/log/fido/echotoss.log ]; then
		cp /var/log/fido/echotoss.log /tmp/
	fi

	# If our filter created some messages, we should look for those.
	if [ -e ${SEMADIR}/newhtick.now ]; then
		rm -f ${SEMADIR}/newhtick.now
		htick scan && touch ${SEMADIR}/newnet.now
	fi

	# If our filter created some messages, we should look for those.
	if [ -e ${SEMADIR}/newecho.now ]; then
		rm -f ${SEMADIR}/newecho.now
		sleep 1
		hpt scan
	fi

	# If our filter created some messages, we should look for those.
	if [ -e ${SEMADIR}/newnet.now ]; then
		rm -f ${SEMADIR}/newnet.now
		sleep 1
		hpt pack
		hpt pack # For some reason htick messages dont get packed the first time?
	fi

	# Inbound files to toss
	if [ -e ${SEMADIR}/tossfile ]; then
		rm -f ${SEMADIR}/tossfile
    		htick toss
	fi

	# All done for this run...
	rm -f ${SEMAFORE}
fi
) &