freedombone/src/freedombone-utils-config

#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# Initial reading of the configuration file, typically called freedombone.cfg
#
# License
# =======
#
# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

function read_config_param {
    param_name="$1"

    if [ ${#param_name} -gt 0 ]; then
        if [ $CONFIGURATION_FILE ]; then
            if [ -f $CONFIGURATION_FILE ]; then
                if grep -q "${param_name}=" $CONFIGURATION_FILE; then
                    export ${param_name}=$(cat $CONFIGURATION_FILE | grep "${param_name}=" | head -n 1 | awk -F '=' '{print $2}')
                fi
            fi
        fi
    fi
}

function write_config_param {
    param_name="$1"
    param_value="$2"

    if [ ${#param_name} -gt 0 ]; then
        if [ ${#param_value} -gt 0 ]; then
            if [ $CONFIGURATION_FILE ]; then
                if [ -f $CONFIGURATION_FILE ]; then
                    if grep -q "${param_name}=" $CONFIGURATION_FILE; then
                        sed -i "s|${param_name}=.*|${param_name}=${param_value}|g" $CONFIGURATION_FILE
                    else
                        echo "${param_name}=${param_value}" >> $CONFIGURATION_FILE
                    fi
                else
                    echo "${param_name}=${param_value}" > $CONFIGURATION_FILE
                fi
            fi
        fi
    fi
}

function read_configuration {
    # if not installing on a Beaglebone then use sdb as the USB drive by default
    if [ ! $INSTALLING_ON_BBB ]; then
        if [[ $USB_DRIVE == /dev/sda1 ]]; then
            USB_DRIVE=/dev/sdb1
        fi
    fi

    if [[ $INSTALLING_FROM_CONFIGURATION_FILE == "yes"  ]]; then
        if [ ! -f $CONFIGURATION_FILE ]; then
            echo $"The configuration file $CONFIGURATION_FILE was not found"
            exit 8935
        fi
    fi

    if [ -f $CONFIGURATION_FILE ]; then
        read_repo_servers

        # Ensure that a copy of the config exists for upgrade purposes
        if [[ $CONFIGURATION_FILE != "/root/${PROJECT_NAME}.cfg" ]]; then
            cp $CONFIGURATION_FILE /root/${PROJECT_NAME}.cfg
        fi

        read_config_variables=(FRIENDS_MIRRORS_SERVER
                               FRIENDS_MIRRORS_SSH_PORT
                               FRIENDS_MIRRORS_PASSWORD
                               MY_MIRRORS_PASSWORD
                               SYSTEM_TYPE
                               SSL_PROTOCOLS
                               SSL_CIPHERS
                               SSH_CIPHERS
                               SSH_MACS
                               SSH_KEX
                               SSH_HOST_KEY_ALGORITHMS
                               SSH_PASSWORDS
                               REFRESH_GPG_KEYS_HOURS
                               GPG_KEYSERVER
                               ENABLE_SOCIAL_KEY_MANAGEMENT
                               MY_USERNAME
                               DOMAIN_NAME
                               DEFAULT_DOMAIN_NAME
                               DEFAULT_DOMAIN_CODE
                               NAMESERVER1
                               NAMESERVER2
                               GET_IP_ADDRESS_URL
                               DDNS_PROVIDER
                               DDNS_USERNAME
                               DDNS_PASSWORD
                               LOCAL_NETWORK_STATIC_IP_ADDRESS
                               ROUTER_IP_ADDRESS
                               CPU_CORES
                               WEBSERVER_LOG_LEVEL
                               ROUTE_THROUGH_TOR
                               MY_NAME
                               MY_EMAIL_ADDRESS
                               INSTALLING_ON_BBB
                               SSH_PORT
                               INSTALLED_WITHIN_DOCKER
                               GPG_ENCRYPT_STORED_EMAIL
                               MY_GPG_PUBLIC_KEY
                               MY_GPG_PRIVATE_KEY
                               MY_GPG_PUBLIC_KEY_ID
                               USB_DRIVE
                               MAX_PHP_MEMORY
                               TLS_TIME_SOURCE1
                               TLS_TIME_SOURCE2
                               ONION_ONLY
                               DEFAULT_LANGUAGE
                               MINIMAL_INSTALL
                               LETSENCRYPT_SERVER
                               WIFI_INTERFACE
                               WIFI_SSID
                               WIFI_TYPE
                               WIFI_PASSPHRASE
                               WIFI_HOTSPOT
                               WIFI_NETWORKS_FILE
                               DEFAULT_SEARCH
                               SEARCH_ENGINE_PASSWORD
                               PROJECT_WEBSITE
                               PROJECT_REPO
                               GPGIT_REPO
                               GPGIT_COMMIT
                               NGINX_ENSITE_REPO
                               NGINX_ENSITE_REPO
                               NGINX_ENSITE_COMMIT
                               CLEANUP_MAILDIR_COMMIT
                               CLEANUP_MAILDIR_REPO
                               INADYN_REPO
                               INADYN_COMMIT
                               DH_KEYLENGTH
                               WIFI_CHANNEL
                               IPV6_NETWORK
                               HWRNG_TYPE
                               ENABLE_BABEL
                               ENABLE_BATMAN
                               ENABLE_CJDNS
                               PUBLIC_MAILING_LIST)

        for v in "${read_config_variables[@]}"
        do
            read_config_param "$v"
        done

        if grep -q "DEBIAN_REPO" $CONFIGURATION_FILE; then
            read_config_param "DEBIAN_REPO"
            CHECK_MESSAGE=$"Check your internet connection, /etc/network/interfaces and /etc/resolv.conf, then delete $COMPLETION_FILE, run 'rm -fR /var/lib/apt/lists/* && apt-get update --fix-missing' and run this script again. If hash sum mismatches persist then try setting $DEBIAN_REPO to a different mirror and also change /etc/apt/sources.list."
        fi
    fi
    echo "System type: $SYSTEM_TYPE"
}

# check that domain names are sensible
function check_domains {
    if [ ${#WIKI_DOMAIN_NAME} -gt 1 ]; then
        function_check test_domain_name
        test_domain_name "$WIKI_DOMAIN_NAME"

        if [[ "$test_domain_name" == "$FULLBLOG_DOMAIN_NAME" ]]; then
            echo $'Wiki domain name is the same as blog domain name. They must be different'
            exit 97326
        fi
        if [[ "$test_domain_name" == "$MICROBLOG_DOMAIN_NAME" ]]; then
            echo $'Wiki domain name is the same as microblog domain name. They must be different'
            exit 36827
        fi
        if [[ "$test_domain_name" == "$HUBZILLA_DOMAIN_NAME" ]]; then
            echo $'Wiki domain name is the same as hubzilla domain name. They must be different'
            exit 65848
        fi
        if [ ${#GIT_DOMAIN_NAME} -gt 1 ]; then
            if [[ "$test_domain_name" == "$GIT_DOMAIN_NAME" ]]; then
                echo $'Wiki domain name is the same as Gogs domain name. They must be different'
                exit 73529
            fi
        fi
    fi

    if [ ${#FULLBLOG_DOMAIN_NAME} -gt 1 ]; then
        function_check test_domain_name
        test_domain_name "$FULLBLOG_DOMAIN_NAME"

        if [[ "$test_domain_name" == "$WIKI_DOMAIN_NAME" ]]; then
            echo $'Blog domain name is the same as wiki domain name. They must be different'
            exit 62348
        fi
        if [[ "$test_domain_name" == "$MICROBLOG_DOMAIN_NAME" ]]; then
            echo $'Blog domain name is the same as microblog domain name. They must be different'
            exit 38236
        fi
        if [[ "$test_domain_name" == "$HUBZILLA_DOMAIN_NAME" ]]; then
            echo $'Blog domain name is the same as hubzilla domain name. They must be different'
            exit 35483
        fi
        if [ $GIT_DOMAIN_NAME ]; then
            if [[ "$test_domain_name" == "$GIT_DOMAIN_NAME" ]]; then
                echo $'Blog domain name is the same as Gogs domain name. They must be different'
                exit 84695
            fi
        fi
    fi

    if [ ${#MICROBLOG_DOMAIN_NAME} -gt 1 ]; then
        function_check test_domain_name
        test_domain_name "$MICROBLOG_DOMAIN_NAME"

        if [[ "$test_domain_name" == "$WIKI_DOMAIN_NAME" ]]; then
            echo $'Microblog domain name is the same as wiki domain name. They must be different'
            exit 73924
        fi
        if [[ "$test_domain_name" == "$FULLBLOG_DOMAIN_NAME" ]]; then
            echo $'Microblog domain name is the same as blog domain name. They must be different'
            exit 26832
        fi
        if [[ "$test_domain_name" == "$HUBZILLA_DOMAIN_NAME" ]]; then
            echo $'Microblog domain name is the same as hubzilla domain name. They must be different'
            exit 678382
        fi
        if [ $GIT_DOMAIN_NAME ]; then
            if [[ "$test_domain_name" == "$GIT_DOMAIN_NAME" ]]; then
                echo $'Microblog domain name is the same as Gogs domain name. They must be different'
                exit 684325
            fi
        fi
    fi

    if [ $HUBZILLA_DOMAIN_NAME ]; then
        function_check test_domain_name
        test_domain_name "$HUBZILLA_DOMAIN_NAME"

        if [[ "$test_domain_name" == "$WIKI_DOMAIN_NAME" ]]; then
            echo $'Hubzilla domain name is the same as wiki domain name. They must be different'
            exit 83682
        fi
        if [[ "$test_domain_name" == "$FULLBLOG_DOMAIN_NAME" ]]; then
            echo $'Hubzilla domain name is the same as blog domain name. They must be different'
            exit 74817
        fi
        if [[ "$test_domain_name" == "$MICROBLOG_DOMAIN_NAME" ]]; then
            echo $'Hubzilla domain name is the same as microblog domain name. They must be different'
            exit 83683
        fi
        if [ ${#GIT_DOMAIN_NAME} -gt 1 ]; then
            if [[ "$test_domain_name" == "$GIT_DOMAIN_NAME" ]]; then
                echo $'Hubzilla domain name is the same as Gogs domain name. They must be different'
                exit 135523
            fi
        fi
    fi

    if [ ${#GIT_DOMAIN_NAME} -gt 1 ]; then
        function_check test_domain_name
        test_domain_name "$GIT_DOMAIN_NAME"

        if [[ "$test_domain_name" == "$WIKI_DOMAIN_NAME" ]]; then
            echo $'Hubzilla domain name is the same as wiki domain name. They must be different'
            exit 83682
        fi
        if [[ "$test_domain_name" == "$FULLBLOG_DOMAIN_NAME" ]]; then
            echo $'Hubzilla domain name is the same as blog domain name. They must be different'
            exit 74817
        fi
        if [[ "$test_domain_name" == "$MICROBLOG_DOMAIN_NAME" ]]; then
            echo $'Hubzilla domain name is the same as microblog domain name. They must be different'
            exit 83683
        fi
        if [[ "$test_domain_name" == "$HUBZILLA_DOMAIN_NAME" ]]; then
            echo $'Microblog domain name is the same as hubzilla domain name. They must be different'
            exit 678382
        fi
    fi
}

# NOTE: deliberately no exit 0