#!/bin/bash

USER="$1"
SENDER="$2"
INMAIL=/tmp/syn3-dagent.$$
SCANMAIL=/tmp/syn3-dagent-scanned.$$


#cleanup and exit
end()
{
	rm $INMAIL 2>/dev/null
	rm $SCANMAIL 2>/dev/null
	exit $1
}

# some kind of ldap problem, try again later
id "Administrator" >/dev/null || end 111

#does the user exists?
if ! id "$USER" >/dev/null; then
	#we're sure theres no ldap problem?
	id "Administrator" >/dev/null || end 111
	#probably a bounce spammer, drop mail silently
	echo "User does not exist, dropping mail."
	end 0
fi

#store mail temporary
cat > $INMAIL || end 1

#pipe trough personal spamfilter of this user
if ! grep "VIRUS.*IN MAIL TO YOU" $INMAIL >/dev/null && /usr/bin/dspamc --user "$USER" --deliver=innocent,spam --mail-from="$SENDER" --stdout >$SCANMAIL <$INMAIL; then
	#it worked
	if grep "^X-DSPAM-Result: Spam" $SCANMAIL >/dev/null; then
		SPAM=1
	else
		SPAM=
	fi
	MAIL=$SCANMAIL
else
	#spam filter is broken, or it was just a virus notification
	MAIL=$INMAIL
	SPAM=
fi

# #check cyrus is up, and deliver it there:
# if /usr/bin/pgrep -f -x /usr/cyrus/bin/master ; then
# 	if [ "$SPAM" ]; then
# 		/usr/cyrus/bin/deliver -a "$USER" -m Spam "$USER" < $MAIL
# 		end $?
# 	else
# 		/usr/cyrus/bin/deliver -a "$USER" "$USER" < $MAIL
# 		end $?
# 	fi
# fi

#check zarafa is up, and deliver it there:
if pidof zarafa-server >/dev/null; then
	if [ "$SPAM" ]; then
		/usr/bin/zarafa-dagent "$USER" -q -j < $MAIL
		end $?
	else
		/usr/bin/zarafa-dagent "$USER" -q < $MAIL
		end $?
	fi
fi

#check kopano is up, and deliver it there:
if pidof kopano-server >/dev/null; then
	if [ "$SPAM" ]; then
		/usr/bin/kopano-dagent "$USER" -q -j < $MAIL
		end $?
	else
		/usr/bin/kopano-dagent "$USER" -q < $MAIL
		end $?
	fi
fi

#no backend mailstorage up, so fail temporary
echo "All mailbackends are down, retry again later..."
end 111