freedombone/src/freedombone-restore-remote

#!/bin/bash
#  _____               _           _
# |   __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
# |   __|  _| -_| -_| . | . |     | . | . |   | -_|
# |__|  |_| |___|___|___|___|_|_|_|___|___|_|_|___|
#
#                              Freedom in the Cloud
#
# Restore from a given remote server
#
# License
# =======
#
# Copyright (C) 2015-2018 Bob Mottram <bob@freedombone.net>
#
# 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/>.

PROJECT_NAME='freedombone'
COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
CONFIGURATION_FILE=$HOME/${PROJECT_NAME}.cfg
MONGODB_APPS_FILE=$HOME/.mongodbapps
BACKUP_EXTRA_DIRECTORIES=/root/backup-extra-dirs.csv

export TEXTDOMAIN=${PROJECT_NAME}-restore-remote
export TEXTDOMAINDIR="/usr/share/locale"

UTILS_FILES="/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-*"
for f in $UTILS_FILES
do
    source "$f"
done

SERVER_NAME="$1"

# whether to restore everything or just a specific application
RESTORE_APP='all'

if [ "${2}" ]; then
    RESTORE_APP="${2}"
fi

ADMIN_USERNAME=$(get_completion_param "Admin user")
ADMIN_EMAIL_ADDRESS=${ADMIN_USERNAME}@${HOSTNAME}

# Temporary location for data to be backed up to other servers
SERVER_DIRECTORY=/root/remoterestore

BACKUP_LIST=/home/${ADMIN_USERNAME}/backup.list

if [ ! "$SERVER_NAME" ]; then
    echo $'restorefromfriend [server]'
    exit 1
fi

if [ ! -f "$BACKUP_LIST" ]; then
    echo $"No friends list found at $BACKUP_LIST"
    exit 2
fi

if ! grep -q "$SERVER_NAME" "$BACKUP_LIST"; then
    echo $"Server not found within the friends list"
    exit 3
fi

REMOTE_SERVER=$(grep -i "$SERVER_NAME" "$BACKUP_LIST" | awk -F ' ' '{print $1}')
REMOTE_SSH_PORT=$(grep -i "$SERVER_NAME" "$BACKUP_LIST" | awk -F ' ' '{print $2}')
REMOTE_DIRECTORY=$(grep -i "$SERVER_NAME" "$BACKUP_LIST" | awk -F ' ' '{print $3}')
REMOTE_PASSWORD=$(grep -i "$SERVER_NAME" "$BACKUP_LIST" | awk -F ' ' '{print $4}')
REMOTE_SERVER=$REMOTE_SERVER:$REMOTE_DIRECTORY

NOW=$(date +"%Y-%m-%d %H:%M:%S")

echo "$NOW Starting restore from $REMOTE_SERVER" >> /var/log/remotebackups.log
if ! rsync -ratlzv --rsh="/usr/bin/sshpass -p $REMOTE_PASSWORD ssh -p $REMOTE_SSH_PORT -o StrictHostKeyChecking=no" "$REMOTE_SERVER/backup" "$SERVER_DIRECTORY"; then
    echo "$NOW Restore from $REMOTE_SERVER failed" >> /var/log/remotebackups.log
    # Send a warning email
    echo "Restore from $REMOTE_SERVER failed" | mail -s "${PROJECT_NAME} restore from friend" "$ADMIN_EMAIL_ADDRESS"
    exit 790
else
    echo "$NOW Restored encrypted data from $REMOTE_SERVER" >> /var/log/remotebackups.log
fi

# MariaDB password
DATABASE_PASSWORD=$("${PROJECT_NAME}-pass" -u root -a mariadb)

function copy_gpg_keys {
    echo $"Copying GPG keys from admin user to root"
    cp -r "/home/$ADMIN_USERNAME/.gnupg" /root
    gpg_set_permissions root
}

function restore_blocklist {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'blocklist' ]]; then
            return
        fi
    fi

    if [ -d "$USB_MOUNT/backup/blocklist" ]; then
        echo $"Restoring blocklist"
        temp_restore_dir=/root/tempblocklist
        restore_directory_from_friend $temp_restore_dir blocklist

        if [ -d $temp_restore_dir/root/tempbackupblocklist ]; then
            cp -f $temp_restore_dir/root/tempbackupblocklist/${PROJECT_NAME}-firewall-domains.cfg /root/${PROJECT_NAME}-firewall-domains.cfg
        else
            cp -f $temp_restore_dir/${PROJECT_NAME}-firewall-domains.cfg /root/${PROJECT_NAME}-firewall-domains.cfg
        fi

        rm -rf $temp_restore_dir

        firewall_refresh_blocklist
    fi
}

function restore_configfiles {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'configfiles' ]]; then
            return
        fi
    fi
    if [ -d $SERVER_DIRECTORY/backup/configfiles ]; then
        echo $"Restoring configuration files"
        temp_restore_dir=/root/tempconfigfiles
        restore_directory_from_friend $temp_restore_dir configfiles

        if [ -d $temp_restore_dir/root ]; then
            if [ -f $temp_restore_dir/root/.nostore ]; then
                if [ ! -f /root/.nostore ]; then
                    touch /root/.nostore
                fi
            else
                if [ -f /root/.nostore ]; then
                    rm /root/.nostore
                fi
            fi
        else
            if [ -f $temp_restore_dir/.nostore ]; then
                if [ ! -f /root/.nostore ]; then
                    touch /root/.nostore
                fi
            else
                if [ -f /root/.nostore ]; then
                    rm /root/.nostore
                fi
            fi
        fi

        #if [ -f $temp_restore_dir$NODEJS_INSTALLED_APPS_FILE ]; then
        #    cp -f $temp_restore_dir$NODEJS_INSTALLED_APPS_FILE $NODEJS_INSTALLED_APPS_FILE
        #fi

        #if [ -f $temp_restore_dir/root/${PROJECT_NAME}.cfg ]; then
        #    cp -f $temp_restore_dir/root/${PROJECT_NAME}.cfg $CONFIGURATION_FILE
        #    if [ ! "$?" = "0" ]; then
        #        unmount_drive
        #        rm -rf $temp_restore_dir
        #        exit 5372
        #    fi
        #fi

        if [ -f "$temp_restore_dir$MONGODB_APPS_FILE" ]; then
            if ! cp -f "$temp_restore_dir$MONGODB_APPS_FILE" "$MONGODB_APPS_FILE"; then
                unmount_drive
                rm -rf $temp_restore_dir
                exit 7835335
            fi
        fi

        #if [ -f $CONFIGURATION_FILE ]; then
        #    # install according to the config file
        #    freedombone -c $CONFIGURATION_FILE
        #fi

        #if [ -f $temp_restore_dir/root/${PROJECT_NAME}-completed.txt ]; then
        #    cp -f $temp_restore_dir/root/${PROJECT_NAME}-completed.txt $COMPLETION_FILE
        #    if [ ! "$?" = "0" ]; then
        #        unmount_drive
        #        rm -rf $temp_restore_dir
        #        exit 7252
        #    fi
        #fi

        if [ -f "${temp_restore_dir}${BACKUP_EXTRA_DIRECTORIES}" ]; then
            if ! cp -f "${temp_restore_dir}${BACKUP_EXTRA_DIRECTORIES}" "${BACKUP_EXTRA_DIRECTORIES}"; then
                unmount_drive
                rm -rf $temp_restore_dir
                exit 62121
            fi
        fi

        # restore nginx password hashes
        if [ -f $temp_restore_dir/root/htpasswd ]; then
            cp -f $temp_restore_dir/root/htpasswd /etc/nginx/.htpasswd
        fi

        rm -rf $temp_restore_dir
    fi
}

function restore_mariadb {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'mariadb' ]]; then
            return
        fi
    fi

    if [[ $(is_completed install_mariadb) == "0" ]]; then
        function_check install_mariadb
        install_mariadb
    fi

    if [ -d $SERVER_DIRECTORY/backup/mariadb ]; then
        echo $"Restoring MariaDB settings"
        temp_restore_dir=/root/tempmariadb
        restore_directory_from_friend $temp_restore_dir mariadb

        store_original_mariadb_password

        echo $'Obtaining MariaDB password'
        db_pass=$(cat /root/.mariadboriginal)
        if [ ${#db_pass} -gt 0 ]; then
            echo $"Restore the MariaDB user table"
            if [ -d ${temp_restore_dir}${temp_restore_dir} ]; then
                mysqlsuccess=$(mysql -u root --password="$db_pass" mysql -o < ${temp_restore_dir}${temp_restore_dir}/mysql.sql)
            else
                mysqlsuccess=$(mysql -u root --password="$db_pass" mysql -o < ${temp_restore_dir}/mysql.sql)
            fi
            # shellcheck disable=SC2181
            if [ ! "$?" = "0" ]; then
                echo $"Try again using the password obtained from backup"
                db_pass=$(${PROJECT_NAME}-pass -u root -a mariadb)
                if [ -d ${temp_restore_dir}${temp_restore_dir} ]; then
                    mysqlsuccess=$(mysql -u root --password="$db_pass" mysql -o < ${temp_restore_dir}${temp_restore_dir}/mysql.sql)
                else
                    mysqlsuccess=$(mysql -u root --password="$db_pass" mysql -o < ${temp_restore_dir}/mysql.sql)
                fi
            fi
            # shellcheck disable=SC2181
            if [ ! "$?" = "0" ]; then
                echo "$mysqlsuccess"
                exit 962
            fi
            echo $"Restarting database"
            systemctl restart mariadb
            echo $"Ensure MariaDB handles authentication"
            MARIADB_PASSWORD=$("${PROJECT_NAME}-pass" -u root -a mariadb)
            mariadb_fix_authentication
        fi
        rm -rf ${temp_restore_dir}
    fi
}

function restore_postgresql {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'postgresql' ]]; then
            return
        fi
    fi

    if [[ $(is_completed install_postgresql) == "0" ]]; then
        function_check install_postgresql
        install_postgresql
    fi

    if [ -d $SERVER_DIRECTORY/backup/postgresql ]; then
        echo $"Restoring Postgresql settings"
        temp_restore_dir=/root/temppostgresql
        restore_directory_from_friend $temp_restore_dir postgresql

        store_original_postgresql_password

        echo $'Obtaining Postgresql password'
        db_pass=$(cat /root/.postgresqloriginal)
        if [ ${#db_pass} -gt 0 ]; then
            echo $"Restore the Postgresql user table"
            if [ -d ${temp_restore_dir}${temp_restore_dir} ]; then
                mysqlsuccess=$(sudo -u postgres pg_restore ${temp_restore_dir}${temp_restore_dir}/postgresql.sql)
            else
                mysqlsuccess=$(sudo -u postgres pg_restore ${temp_restore_dir}/postgresql.sql)
            fi
            # shellcheck disable=SC2181
            if [ ! "$?" = "0" ]; then
                echo $"Try again using the password obtained from backup"
                db_pass=$("${PROJECT_NAME}-pass" -u root -a postgresql)
                if [ -d ${temp_restore_dir}${temp_restore_dir} ]; then
                    mysqlsuccess=$(sudo -u postgres pg_restore ${temp_restore_dir}${temp_restore_dir}/postgresql.sql)
                else
                    mysqlsuccess=$(sudo -u postgres pg_restore ${temp_restore_dir}/postgresql.sql)
                fi
            fi
            # shellcheck disable=SC2181
            if [ ! "$?" = "0" ]; then
                echo "$mysqlsuccess"
                exit 962
            fi
            echo $"Restarting database"
            systemctl restart postgresql
            echo $"Ensure postgresql handles authentication"
            POSTGRESQL_PASSWORD=$("${PROJECT_NAME}-pass" -u root -a postgresql)
        fi
        rm -rf ${temp_restore_dir}
    fi
}

function restore_letsencrypt {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'letsencrypt' ]]; then
            return
        fi
    fi
    if [ -d $SERVER_DIRECTORY/backup/letsencrypt ]; then
        echo $"Restoring Lets Encrypt settings"
        restore_directory_from_friend /etc/letsencrypt letsencrypt
    fi
}

function restore_passwordstore {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'passwords' ]]; then
            return
        fi
    fi
    if [ -d $SERVER_DIRECTORY/backup/passwordstore ]; then
        store_original_mariadb_password
        echo $"Restoring password store"
        restore_directory_from_friend /root/.passwords passwordstore
    fi
}

function restore_tor {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'tor' ]]; then
            return
        fi
    fi
    if [ -d $SERVER_DIRECTORY/backup/tor ]; then
        echo $"Restoring Tor settings"
        restore_directory_from_friend /var/lib/tor tor
    fi
}

function restore_mutt_settings {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'mutt' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/mutt/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')

        # skip over configurations
        if [[ "$USERNAME" == *'configs' ]]; then
            continue
        fi

        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/mutt/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring Mutt configurations for $USERNAME"
                restore_directory_from_friend "/home/$USERNAME/.mutt" "mutt/${USERNAME}configs"
                echo $"Restoring Mutt settings for $USERNAME"
                temp_restore_dir=/root/tempmutt
                restore_directory_from_friend ${temp_restore_dir} "mutt/$USERNAME"
                if [ -d "${temp_restore_dir}/home/$USERNAME/tempbackup" ]; then
                    if [ -f "${temp_restore_dir}/home/$USERNAME/tempbackup/.muttrc" ]; then
                        cp -f "${temp_restore_dir}/home/$USERNAME/tempbackup/.muttrc" "/home/$USERNAME/.muttrc"
                        sed -i '/set sidebar_delim/d' "/home/$USERNAME/.muttrc"
                        sed -i '/set sidebar_sort/d' "/home/$USERNAME/.muttrc"
                    fi
                    if [ -f "${temp_restore_dir}/home/$USERNAME/tempbackup/Muttrc" ]; then
                        cp -f "${temp_restore_dir}/home/$USERNAME/tempbackup/Muttrc" /etc/Muttrc
                        sed -i '/set sidebar_delim/d' /etc/Muttrc
                        sed -i '/set sidebar_sort/d' /etc/Muttrc
                    fi
                else
                    if [ -f ${temp_restore_dir}/.muttrc ]; then
                        cp -f "${temp_restore_dir}/.muttrc" "/home/$USERNAME/.muttrc"
                        sed -i '/set sidebar_delim/d' "/home/$USERNAME/.muttrc"
                        sed -i '/set sidebar_sort/d' "/home/$USERNAME/.muttrc"
                    fi
                    if [ -f ${temp_restore_dir}/Muttrc ]; then
                        cp -f ${temp_restore_dir}/Muttrc /etc/Muttrc
                        sed -i '/set sidebar_delim/d' /etc/Muttrc
                        sed -i '/set sidebar_sort/d' /etc/Muttrc
                    fi
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    rm -rf ${temp_restore_dir}
                    exit 276
                fi
                rm -rf ${temp_restore_dir}
            fi
        fi
    done
}

function restore_gpg {
    if [[ $RESTORE_APP != 'gpg' ]]; then
        return
    fi

    for d in $SERVER_DIRECTORY/backup/gnupg/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/gnupg/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring gnupg settings for $USERNAME"
                temp_restore_dir=/root/tempgnupg
                restore_directory_from_friend ${temp_restore_dir} "gnupg/$USERNAME"
                if [ -d "${temp_restore_dir}/home/$USERNAME/.gnupg" ]; then
                    cp -r "${temp_restore_dir}/home/$USERNAME/.gnupg" "/home/$USERNAME/"
                else
                    if [ ! -d "/home/$USERNAME/.gnupg" ]; then
                        mkdir "/home/$USERNAME/.gnupg"
                    fi
                    cp -r "${temp_restore_dir}/"* "/home/$USERNAME/.gnupg/"
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    rm -rf ${temp_restore_dir}
                    exit 276
                fi
                rm -rf ${temp_restore_dir}
                if [[ "$USERNAME" == "$ADMIN_USERNAME" ]]; then
                    if ! cp -r "/home/$USERNAME/.gnupg" /root; then
                        exit 283
                    fi
                    gpg_set_permissions root
                fi
            fi
        fi
    done
}

function restore_procmail {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'procmail' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/procmail/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/procmail/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring procmail settings for $USERNAME"
                temp_restore_dir=/root/tempprocmail
                restore_directory_from_friend ${temp_restore_dir} "procmail/$USERNAME"
                if [ -d "${temp_restore_dir}/home/$USERNAME/tempbackup" ]; then
                    cp -f "${temp_restore_dir}/home/$USERNAME/tempbackup/.procmailrc" "/home/$USERNAME/"
                else
                    cp -f "${temp_restore_dir}/.procmailrc" "/home/$USERNAME/.procmailrc"
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    rm -rf ${temp_restore_dir}
                    exit 276
                fi
                rm -rf ${temp_restore_dir}
            fi
        fi
    done
}

function restore_spamassassin {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'spamassassin' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/spamassassin/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/spamassassin/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring spamassassin settings for $USERNAME"
                temp_restore_dir=/root/tempspamassassin
                restore_directory_from_friend $temp_restore_dir "spamassassin/$USERNAME"
                if [ -d "$temp_restore_dir/home/$USERNAME" ]; then
                    cp -rf "$temp_restore_dir/home/$USERNAME/.spamassassin" "/home/$USERNAME/"
                else
                    if [ ! -d "/home/$USERNAME/.spamassassin" ]; then
                        mkdir "/home/$USERNAME/.spamassassin"
                    fi
                    cp -rf $temp_restore_dir/* "/home/$USERNAME/.spamassassin/"
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    rm -rf $temp_restore_dir
                    exit 276
                fi
                rm -rf $temp_restore_dir
            fi
        fi
    done
}

function restore_admin_readme {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'readme' ]]; then
            return
        fi
    fi
    if [ -d $SERVER_DIRECTORY/backup/readme ]; then
        echo $"Restoring README"
        temp_restore_dir=/root/tempreadme
        restore_directory_from_friend $temp_restore_dir readme
        if [ -d "$temp_restore_dir/home/$ADMIN_USERNAME/tempbackup" ]; then
            cp -f "$temp_restore_dir/home/$ADMIN_USERNAME/tempbackup/README" "/home/$ADMIN_USERNAME/"
        else
            cp -f "$temp_restore_dir/README" "/home/$ADMIN_USERNAME/README"
        fi
        # shellcheck disable=SC2181
        if [ ! "$?" = "0" ]; then
            rm -rf $temp_restore_dir
            exit 276
        fi
        rm -rf $temp_restore_dir
    fi
}

function restore_ssh_keys {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'ssh' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/ssh/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/ssh/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring ssh keys for $USERNAME"
                temp_restore_dir=/root/tempssh
                restore_directory_from_friend $temp_restore_dir "ssh/$USERNAME"
                if [ -d "$temp_restore_dir/home/$USERNAME/.ssh" ]; then
                    cp -r "$temp_restore_dir/home/$USERNAME/.ssh" "/home/$USERNAME/"
                else
                    if [ ! -d "/home/$USERNAME/.ssh" ]; then
                        mkdir "/home/$USERNAME/.ssh"
                    fi
                    cp -r $temp_restore_dir/* "/home/$USERNAME/.ssh/"
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    rm -rf $temp_restore_dir
                    exit 664
                fi
                rm -rf $temp_restore_dir
            fi
        fi
    done
}

function restore_user_config {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'userconfig' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/config/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/config/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring config files for $USERNAME"
                temp_restore_dir=/root/tempconfig
                restore_directory_from_friend $temp_restore_dir "config/$USERNAME"
                if [ -d "$temp_restore_dir/home/$USERNAME" ]; then
                    cp -r "$temp_restore_dir/home/$USERNAME/.config" "/home/$USERNAME/"
                else
                    if [ ! -d "/home/$USERNAME/.config" ]; then
                        mkdir "/home/$USERNAME/.config"
                    fi
                    cp -r "$temp_restore_dir/"* "/home/$USERNAME/.config/"
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    rm -rf $temp_restore_dir
                    exit 664
                fi
                rm -rf $temp_restore_dir
            fi
        fi
    done
}

function restore_user_monkeysphere {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'usermonkeysphere' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/monkeysphere/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/monkeysphere/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring monkeysphere ids for $USERNAME"
                temp_restore_dir=/root/tempmonkeysphere
                restore_directory_from_friend $temp_restore_dir "monkeysphere/$USERNAME"
                if [ -d "$temp_restore_dir/home/$USERNAME/.monkeysphere" ]; then
                    cp -r "$temp_restore_dir/home/$USERNAME/.monkeysphere" "/home/$USERNAME/"
                else
                    if [ ! -d "/home/$USERNAME/.monkeysphere" ]; then
                        mkdir "/home/$USERNAME/.monkeysphere"
                    fi
                    cp -r $temp_restore_dir/* "/home/$USERNAME/.monkeysphere/"
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    rm -rf $temp_restore_dir
                    exit 664
                fi
                rm -rf $temp_restore_dir
            fi
        fi

        # The admin user is the identity certifier
        MY_EMAIL_ADDRESS="${ADMIN_USERNAME}@${HOSTNAME}"
        read_config_param MY_EMAIL_ADDRESS
        MY_GPG_PUBLIC_KEY_ID=$(gpg_pubkey_from_email "$ADMIN_USERNAME" "$MY_EMAIL_ADDRESS")
        fpr=$(gpg --with-colons --fingerprint "$MY_GPG_PUBLIC_KEY_ID" | grep fpr | head -n 1 | awk -F ':' '{print $10}')
        monkeysphere-authentication add-identity-certifier "$fpr"
        monkeysphere-authentication update-users
    done
}

function restore_user_fin {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'userfin' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/fin/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/fin/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring fin files for $USERNAME"
                temp_restore_dir=/root/tempfin
                restore_directory_from_friend $temp_restore_dir "fin/$USERNAME"
                if [ -d "$temp_restore_dir/home/$USERNAME/.fin" ]; then
                    cp -r "$temp_restore_dir/home/$USERNAME/.fin" "/home/$USERNAME/"
                else
                    if [ ! -d "/home/$USERNAME/.fin" ]; then
                        mkdir "/home/$USERNAME/.fin"
                    fi
                    cp -r $temp_restore_dir/* "/home/$USERNAME/.fin/"
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    rm -rf $temp_restore_dir
                    exit 664
                fi
                rm -rf $temp_restore_dir
            fi
        fi
    done
}

function restore_user_local {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'userlocal' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/local/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/local/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring local files for $USERNAME"
                temp_restore_dir=/root/templocal
                restore_directory_from_friend $temp_restore_dir "local/$USERNAME"
                if [ -d "$temp_restore_dir/home/$USERNAME/.local" ]; then
                    cp -r "$temp_restore_dir/home/$USERNAME/.local" "/home/$USERNAME/"
                else
                    if [ ! -d "/home/$USERNAME/.local" ]; then
                        mkdir "/home/$USERNAME/.local"
                    fi
                    cp -r $temp_restore_dir/* "/home/$USERNAME/.local/"
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    rm -rf $temp_restore_dir
                    exit 664
                fi
                rm -rf $temp_restore_dir
            fi
        fi
    done
}

function restore_certs {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'certs' ]]; then
            return
        fi
    fi
    if [ -d $SERVER_DIRECTORY/backup/ssl ]; then
        echo $"Restoring certificates"
        restore_directory_from_friend /root/tempssl ssl
        if [ -d /root/tempssl/etc/ssl ]; then
            cp -r /root/tempssl/etc/ssl/* /etc/ssl
        else
            cp -r /root/tempssl/* /etc/ssl/
        fi
        # shellcheck disable=SC2181
        if [ ! "$?" = "0" ]; then
            exit 276
        fi
        rm -rf /root/tempssl
        update-ca-certificates

        # restore ownership
        if [ -f /etc/ssl/private/xmpp.key ]; then
            chown prosody:prosody /etc/ssl/private/xmpp.key
            chown prosody:prosody /etc/ssl/certs/xmpp.*
        fi
        if [ -d /etc/dovecot ]; then
            chown root:dovecot /etc/ssl/private/dovecot.*
            chown root:dovecot /etc/ssl/certs/dovecot.*
        fi
        if [ -f /etc/ssl/private/exim.key ]; then
            cp /etc/ssl/private/exim.key /etc/exim4
            cp /etc/ssl/certs/exim.crt /etc/exim4
            cp /etc/ssl/certs/exim.dhparam /etc/exim4
            chown root:Debian-exim /etc/exim4/exim.key /etc/exim4/exim.crt /etc/exim4/exim.dhparam
            chmod 640 /etc/exim4/exim.key /etc/exim4/exim.crt /etc/exim4/exim.dhparam
        fi
        if [ -f /etc/ssl/private/mumble.key ]; then
            if [ -d /var/lib/mumble-server ]; then
                cp /etc/ssl/certs/mumble.* /var/lib/mumble-server
                cp /etc/ssl/private/mumble.key /var/lib/mumble-server
                chown -R mumble-server:mumble-server /var/lib/mumble-server
            fi
        fi
    fi
}

function restore_personal_settings {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'personal' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/personal/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/personal/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring personal settings for $USERNAME"
                temp_restore_dir=/root/temppersonal
                restore_directory_from_friend $temp_restore_dir "personal/$USERNAME"
                if [ -d "$temp_restore_dir/home/$USERNAME/personal" ]; then
                    if [ -d "/home/$USERNAME/personal" ]; then
                        rm -rf "/home/$USERNAME/personal"
                    fi
                    # shellcheck disable=SC2086
                    mv $temp_restore_dir/home/$USERNAME/personal /home/$USERNAME
                else
                    if [ ! -d "/home/$USERNAME/personal" ]; then
                        mkdir "/home/$USERNAME/personal"
                    fi
                    cp -r $temp_restore_dir/* "/home/$USERNAME/personal/"
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    exit 18437643
                fi
                rm -rf $temp_restore_dir
            fi
        fi
    done
}

function restore_mailing_list {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'mailinglist' ]]; then
            return
        fi
    fi
    if [ -d /var/spool/mlmmj ]; then
        echo $"Restoring public mailing list"
        temp_restore_dir=/root/tempmailinglist
        restore_directory_from_friend $temp_restore_dir mailinglist
        if [ -d $temp_restore_dir/root/spool/mlmmj ]; then
            cp -r $temp_restore_dir/root/spool/mlmmj/* /var/spool/mlmmj
        else
            cp -r $temp_restore_dir/* /var/spool/mlmmj/
        fi
        # shellcheck disable=SC2181
        if [ ! "$?" = "0" ]; then
            exit 526
        fi
        rm -rf $temp_restore_dir
    fi
}

function restore_email {
    if [[ $RESTORE_APP != 'all' ]]; then
        if [[ $RESTORE_APP != 'email' ]]; then
            return
        fi
    fi
    for d in $SERVER_DIRECTORY/backup/mail/*/ ; do
        USERNAME=$(echo "$d" | awk -F '/' '{print $6}')
        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
            if [ -d "$SERVER_DIRECTORY/backup/mail/$USERNAME" ]; then
                if [ ! -d "/home/$USERNAME" ]; then
                    ${PROJECT_NAME}-adduser "$USERNAME"
                fi
                echo $"Restoring emails for $USERNAME"
                temp_restore_dir=/root/tempmail
                restore_directory_from_friend $temp_restore_dir "mail/$USERNAME"
                if [ ! -d "/home/$USERNAME/Maildir" ]; then
                    mkdir "/home/$USERNAME/Maildir"
                fi
                if [ -d "$temp_restore_dir/root/tempbackupemail/$USERNAME" ]; then
                    tar -xzvf "$temp_restore_dir/root/tempbackupemail/$USERNAME/maildir.tar.gz" -C /
                else
                    tar -xzvf $temp_restore_dir/maildir.tar.gz -C /
                fi
                # shellcheck disable=SC2181
                if [ ! "$?" = "0" ]; then
                    exit 927
                fi
                rm -rf $temp_restore_dir
            fi
        fi
    done
}

# Social key management
# Recover any key fragments and reconstruct the gpg key
${PROJECT_NAME}-recoverkey -u "${ADMIN_USERNAME}" -l "$BACKUP_LIST"

copy_gpg_keys
gpg_agent_setup root
restore_blocklist
restore_configfiles
restore_passwordstore
restore_mariadb
restore_postgresql
restore_letsencrypt
restore_mutt_settings
restore_gpg
restore_procmail
restore_spamassassin
restore_admin_readme
restore_ssh_keys
restore_user_config
restore_user_monkeysphere
restore_user_fin
restore_user_local
restore_certs
restore_personal_settings
restore_mailing_list
restore_email
restore_apps remote
set_user_permissions
update_default_domain

# ensure that all TLS certificates are pinned
#${PROJECT_NAME}-pin-cert all

echo $"*** Remote restore was successful ***"

exit 0