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#!/bin/bash
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# ____ _ _ _ _ _ _
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# | _ \(_) | | (_) | | | |
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# | |_) |_| |__ | |_ ___ | |_ ___ ___| |__ __ _
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# | _ <| | '_ \| | |/ _ \| __/ _ \/ __| '_ \ / _` |
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# | |_) | | |_) | | | (_) | || __/ (__| | | | (_| |
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# |____/|_|_.__/|_|_|\___/ \__\___|\___|_| |_|\__,_|
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#
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# Digital books need libraries too
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#
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# This install script is intended for use with Debian based
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# distributions. More specifically, Debian Buster, which is
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# currently the latest distribution release from the Debian
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# project.
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#
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# License
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# =======
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#
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# Copyright (C) 2019 Bibliotecha Contributors <info@varia.zone>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Thanks
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# =====
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#
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# This script is based on the good work of the Freedombone project:
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# https://code.freedombone.net/bashrc/freedombone/src/stretch/src/freedombone
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APT_CMD="apt -q"
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APT_INSTALL_CMD="$APT_CMD install -y --no-install-recommends"
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CALIBRE_DATABASE_PATH="/opt/calibre-database"
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CAPTIVE_PORTAL_PATH="/var/www/bibliotecha"
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CALIBRE_WEB_PATH="/var/www/calibre-web"
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LIGHTTPD_CONFIG_PATH="/etc/lighttpd/bibliotecha"
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function ensure_root_account {
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echo "Checking user account ..."
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if ! id | grep -q root; then
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echo ""
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echo "This script must be run as root"
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echo "You can switch to the root user account with:"
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echo "$ sudo -i"
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echo ""
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exit 0
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fi
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}
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function show_bibliotecha_banner {
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echo ""
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echo " ____ _ _ _ _ _ _ "
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echo " | _ \(_) | | (_) | | | |"
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echo " | |_) |_| |__ | |_ ___ | |_ ___ ___| |__ __ _ "
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echo " | _ <| | '_ \| | |/ _ \| __/ _ \/ __| '_ \ / _' |"
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echo " | |_) | | |_) | | | (_) | || __/ (__| | | | (_| |"
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echo " |____/|_|_.__/|_|_|\___/ \__\___|\___|_| |_|\__,_|"
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echo ""
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echo " Digital books need libraries too"
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echo ""
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}
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function show_introduction_text {
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echo ""
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echo "Welcome to the Bibliotecha automatic installation script"
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echo ""
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echo "This script will attempt to setup the following infrastructure:"
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echo ""
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echo "* A Python 3 environment"
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echo "* A Wifi hotspot with DNS and DHCP services enabled"
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echo "* A web server"
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echo "* A Calibre library"
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echo "* A Calibre-web service"
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echo ""
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echo "Once the script is finished, please see post-install steps"
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echo "that are documented and available from the Bibliotecha manual:"
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echo ""
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echo " https://manual.bibliotecha.info/#post-installation"
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echo ""
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echo "If anything goes wrong, please see the troubleshooting guide"
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echo ""
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echo " https://manual.bibliotecha.info/#troubleshooting"
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echo ""
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}
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function ensure_buster_based_distribution {
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echo "Checking distribution ..."
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local installing_on_buster_based=1
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if [ ! -f /etc/apt/sources.list ]; then
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installing_on_buster_based=
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else
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if ! grep -q 'buster' /etc/apt/sources.list; then
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installing_on_buster_based=
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fi
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if ! grep -q 'debian' /etc/apt/sources.list; then
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if ! grep -q 'raspbian' /etc/apt/sources.list; then
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installing_on_buster_based=
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fi
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fi
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fi
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if [ ! $installing_on_buster_based ]; then
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echo "You should only run this on a Debian Buster based system"
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exit 1
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fi
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}
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function run_apt_update {
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echo "Running a package listing update ..."
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$APT_CMD update
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}
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function install_networking_packages {
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echo "Installing networking packages ..."
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$APT_INSTALL_CMD \
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dhcpcd \
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dnsmasq \
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dnsutils \
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hostapd \
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wireless-tools
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}
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function stop_networking_services {
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echo "Stopping the networking services ..."
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local services="dnsmasq hostapd"
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# shellcheck disable=SC2086
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systemctl stop ${services}
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}
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function disable_avahi_service {
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echo "Disable the avahi service ..."
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systemctl stop avahi-daemon
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systemctl disable avahi-daemon
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}
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function ensure_predictable_network_interfaces {
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echo "Ensuring predictable networking interfaces ..."
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# shellcheck disable=SC2010
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# shellcheck disable=SC2155
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local ethernet_interface=$(ls /sys/class/net/ | grep en)
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if [[ -z "${ethernet_interface}" ]]; then
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echo ""
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echo "Could not determine the ethernet interface"
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echo "Please ensure you've configure 'predictable network interfaces'"
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echo "Please see https://manual.bibliotecha.info/#troubleshooting for more"
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echo ""
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exit 1
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fi
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# shellcheck disable=SC2010
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# shellcheck disable=SC2155
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local wireless_interface=$(ls /sys/class/net/ | grep wl)
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if [[ -z "${wireless_interface}" ]]; then
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echo ""
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echo "Could not determine the wireless interface"
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echo "Please ensure you've configure 'predictable network interfaces'"
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echo "Please see https://manual.bibliotecha.info/#troubleshooting for more"
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echo ""
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exit 1
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fi
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}
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function configure_network_interfaces {
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echo "Configuring networking interfaces ..."
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# shellcheck disable=SC2010
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# shellcheck disable=SC2155
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local ethernet_interface=$(ls /sys/class/net/ | grep en)
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local ethernet_filename="/etc/network/interfaces.d/${ethernet_interface}"
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{ echo "auto eth0";
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echo "allow-hotplug ${ethernet_interface}";
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echo "iface ${ethernet_interface} inet dhcp"; } > "${ethernet_filename}"
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# shellcheck disable=SC2010
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# shellcheck disable=SC2155
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local wireless_interface=$(ls /sys/class/net/ | grep wl)
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local wireless_filename="/etc/network/interfaces.d/${wireless_interface}"
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{ echo "auto ${wireless_interface}";
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echo "iface ${wireless_interface} inet static";
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echo " address 10.0.0.1";
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echo " netmask 255.255.255.0"; } > "${wireless_filename}"
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}
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function configure_dnsmasq {
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echo "Configuring dnsmasq ..."
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# shellcheck disable=SC2010
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# shellcheck disable=SC2155
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local wireless_interface=$(ls /sys/class/net/ | grep wl)
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local wireless_filename="/etc/dnsmasq.d/${wireless_interface}.conf"
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{ echo "bogus-priv"
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echo "server=/library/10.0.0.1"
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echo "local=/library/"
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echo "address=/#/10.0.0.1"
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echo "interface=${wireless_interface}"
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echo "domain=library"
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echo "dhcp-range=10.0.0.50,10.0.0.200,255.255.255.0,12h"
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echo "dhcp-option=3,10.0.0.1"
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echo "dhcp-option=6,10.0.0.1"
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echo "dhcp-authoritative"; } > "${wireless_filename}"
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}
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function configure_hostapd {
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echo "Configuring hostapd ..."
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# shellcheck disable=SC2010
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# shellcheck disable=SC2155
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local wireless_interface=$(ls /sys/class/net/ | grep wl)
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local hostapd_filename="/etc/hostapd/hostapd.conf"
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{ echo "interface=${wireless_interface}"
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echo "ssid=Bibliotecha"
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echo "hw_mode=g"
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echo "channel=11"
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echo "auth_algs=1"; } > "${hostapd_filename}"
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sed -i \
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's/#DAEMON_CONF=""/DAEMON_CONF="\/etc\/hostapd\/hostapd.conf"/g' \
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/etc/default/hostapd
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}
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function configure_etc_hosts {
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echo "Configuring /etc/hosts entry ..."
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if ! grep -q "bibliotecha.library" /etc/hosts; then
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echo '10.0.0.1 bibliotecha.library' >> /etc/hosts
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fi
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}
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function enable_networking_services {
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echo "Enabling network services ..."
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local services="dnsmasq hostapd"
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systemctl unmask hostapd
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# shellcheck disable=SC2086
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systemctl enable ${services}
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}
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function install_webserver {
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echo "Installing lighttpd ..."
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$APT_INSTALL_CMD lighttpd
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}
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function configure_webserver {
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echo "Configuring bibliotecha under lighttpd ..."
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if ! grep -q mod_proxy /etc/lighttpd/lighttpd.conf; then
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echo ""
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echo 'server.modules += ("mod_proxy",)' >> /etc/lighttpd/lighttpd.conf
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fi
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if ! grep -q bibliotecha /etc/lighttpd/lighttpd.conf; then
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echo ""
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echo 'include "bibliotecha/bibliotecha.conf"' >> /etc/lighttpd/lighttpd.conf
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fi
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sed -i \
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's/server.document-root.*/server.document-root = "\/var\/www"/g' \
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/etc/lighttpd/lighttpd.conf
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mkdir -p "$LIGHTTPD_CONFIG_PATH"
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{ echo 'server.error-handler = "/bibliotecha/index.html"'
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echo ""
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# shellcheck disable=SC2016
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echo '$HTTP["host"] == "bibliotecha.library" {'
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echo ' proxy.server = ("" => (("host" => "127.0.0.1", "port" => "8083")))'
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echo '}'; } > "$LIGHTTPD_CONFIG_PATH/bibliotecha.conf"
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}
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function configure_captive_portal {
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echo "Configuring the captive portal page ..."
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$APT_INSTALL_CMD wget
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captive_portal_url="https://git.vvvvvvaria.org/varia/bibliotecha-captive-portal/raw/branch/master/index.html"
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mkdir -p "$CAPTIVE_PORTAL_PATH"
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wget "$captive_portal_url" -O "$CAPTIVE_PORTAL_PATH/index.html"
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chown -R www-data: "$CAPTIVE_PORTAL_PATH"
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}
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function install_calibre {
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echo "Install Calibre ..."
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$APT_INSTALL_CMD calibre
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}
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function configure_calibre_database {
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echo "Configuring the Calibre database ..."
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mkdir -p "$CALIBRE_DATABASE_PATH"
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# A dirty hack to initialise a new calibre database
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/usr/bin/calibredb restore_database --really-do-it "$CALIBRE_DATABASE_PATH"
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}
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function install_calibreweb {
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echo "Installing Calibre-web ..."
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$APT_INSTALL_CMD git python3 python3-pip python3-dev python3-venv
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calibre_web_url="https://github.com/janeczku/calibre-web"
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if [ ! -d "$CALIBRE_WEB_PATH" ]; then
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git clone "$calibre_web_url" "$CALIBRE_WEB_PATH"
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fi
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if [ ! -d "$CALIBRE_WEB_PATH/.venv" ]; then
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# shellcheck disable=SC1091
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cd "$CALIBRE_WEB_PATH" && \
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python3 -m venv .venv && \
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.venv/bin/pip install -r requirements.txt
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fi
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chown -R www-data: "$CALIBRE_WEB_PATH"
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}
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function configure_calibreweb {
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echo "Configuring Calibre-web ..."
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{ echo "Description=Calibre-Web"
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echo ""
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echo "[Service]"
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echo "Type=simple"
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echo "User=root"
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echo "ExecStart=$CALIBRE_WEB_PATH/.venv/bin/python $CALIBRE_WEB_PATH/cps.py"
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echo "WorkingDirectory=$CALIBRE_WEB_PATH"
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echo ""
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echo "[Install]"
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echo "WantedBy=multi-user.target"; } > /etc/systemd/system/cps.service
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systemctl enable cps.service
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}
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function show_post_install_banner {
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echo ""
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echo "Installation complete!"
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echo ""
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echo "The system will now reboot"
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echo "Please see the manual for post-installation tasks"
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echo "And help with troubleshooting the network configuration"
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echo ""
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echo " https://manual.bibliotecha.info/#troubleshooting"
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echo ""
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}
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function install_new_motd {
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echo "Installing the new MOTD ..."
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{ echo ""
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echo ""
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echo " ____ _ _ _ _ _ _ "
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echo " | _ \(_) | | (_) | | | |"
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echo " | |_) |_| |__ | |_ ___ | |_ ___ ___| |__ __ _ "
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echo " | _ <| | '_ \| | |/ _ \| __/ _ \/ __| '_ \ / _' |"
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echo " | |_) | | |_) | | | (_) | || __/ (__| | | | (_| |"
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echo " |____/|_|_.__/|_|_|\___/ \__\___|\___|_| |_|\__,_|"
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echo ""
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echo " Digital books need libraries too"
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echo ""
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echo ""; } > /etc/motd
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}
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function reboot_system {
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echo "Rebooting system ..."
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reboot
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}
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function run_installation {
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ensure_root_account
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ensure_buster_based_distribution
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ensure_predictable_network_interfaces
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show_bibliotecha_banner
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show_introduction_text
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run_apt_update
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install_networking_packages
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stop_networking_services
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disable_avahi_service
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configure_network_interfaces
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configure_dnsmasq
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configure_hostapd
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configure_etc_hosts
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enable_networking_services
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install_webserver
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configure_webserver
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configure_captive_portal
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install_calibre
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configure_calibre_database
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install_calibreweb
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configure_calibreweb
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show_post_install_banner
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install_new_motd
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reboot_system
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}
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run_installation
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exit 0
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