#!/bin/sh
# postinst script for torch-agent
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see https://www.debian.org/doc/debian-policy/ or
# the debian-policy package

USER="torch"
GROUP="debian-tor"

TORRC="/etc/tor/torrc"

configure_tor_controller() {

    TORRC_CHANGED=0

    if ! grep -q "^ControlPort [0-9]\+" $TORRC; then
        sed -i '/^#ControlPort 9051/s/^#//' $TORRC
        TORRC_CHANGED=1
	fi

    if ! grep -q "^CookieAuthentication 1" $TORRC; then
        sed -i '/^#CookieAuthentication 1/s/^#//' $TORRC
        TORRC_CHANGED=1
	fi

    if ! grep -q "^CookieAuthFileGroupReadable 1" $TORRC; then
        echo "CookieAuthFileGroupReadable 1" >> $TORRC
        TORRC_CHANGED=1
	fi
	
	if [ $TORRC_CHANGED -eq 1 ]; then
        systemctl reload tor
	fi
}

case "$1" in
    configure)

        if ! getent passwd $USER >/dev/null ; then
            useradd -r -g $GROUP $USER
        fi

	    chown $USER /etc/torch
	    chown $USER /etc/torch/torch.conf
		chown $USER /usr/share/torch-agent/torch-agent.py

	    configure_tor_controller
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if deb-systemd-helper debian-installed 'torch-agent.service'; then
		# This will only remove masks created by d-s-h on package removal.
		deb-systemd-helper unmask 'torch-agent.service' >/dev/null || true

		if deb-systemd-helper --quiet was-enabled 'torch-agent.service'; then
			# Create new symlinks, if any.
			deb-systemd-helper enable 'torch-agent.service' >/dev/null || true
		fi
	fi

	# Update the statefile to add new symlinks (if any), which need to be cleaned
	# up on purge. Also remove old symlinks.
	deb-systemd-helper update-state 'torch-agent.service' >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installsystemd/12.10ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			deb-systemd-invoke try-restart 'torch-agent.service' >/dev/null || true
		fi
	fi
fi
# End automatically added section


exit 0