#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# Dokuwiki application
#
# License
# =======
#
# Copyright (C) 2014-2016 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/>.

VARIANTS='full full-vim writer'

IN_DEFAULT_INSTALL=0
SHOW_ON_ABOUT=1

DOKUWIKI_DOMAIN_NAME=
DOKUWIKI_CODE=
DOKUWIKI_ONION_PORT=8089
DOKUWIKI_ADMIN_PASSWORD=
DOKUWIKI_TITLE="${PROJECT_NAME} Dokuwiki"

DOKUWIKI_REPO="https://github.com/splitbrain/dokuwiki"
DOKUWIKI_COMMIT='be15c01c0b982cf1a75b5af031bf077143c63f39'

dokuwiki_variables=(ONION_ONLY
                    MY_USERNAME
                    DOKUWIKI_TITLE
                    DOKUWIKI_DOMAIN_NAME
                    DOKUWIKI_CODE
                    DDNS_PROVIDER)

function install_interactive_dokuwiki {
    if [[ $ONION_ONLY != "no" ]]; then
        DOKUWIKI_TITLE=$'My Dokuwiki'
        DOKUWIKI_DOMAIN_NAME='dokuwiki.local'
        write_config_param "DOKUWIKI_TITLE" "$DOKUWIKI_TITLE"
        write_config_param "DOKUWIKI_DOMAIN_NAME" "$DOKUWIKI_DOMAIN_NAME"
    else
        function_check interactive_site_details_with_title
        interactive_site_details_with_title "dokuwiki" "DOKUWIKI_TITLE" "DOKUWIKI_DOMAIN_NAME" "DOKUWIKI_CODE"
    fi
    APP_INSTALLED=1
}

function change_password_dokuwiki {
    curr_username="$1"
    new_user_password="$2"

    DOKUWIKI_DOMAIN_NAME=$(get_completion_param "dokuwiki domain")
    if grep -q "$curr_username:" /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php; then
        HASHED_DOKUWIKI_PASSWORD=$(echo -n "$new_user_password" | md5sum | awk -F ' ' '{print $1}')
        existing_user=$(cat /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php | grep "$curr_username:" | hean -n 1)
        if [[ "$existing_user" == *":admin,"* ]]; then
            sed -i "s|$curr_username:.*|$curr_username:$HASHED_DOKUWIKI_PASSWORD:$curr_username:$curr_username@$HOSTNAME:admin,user,upload|g" /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
        else
            sed -i "s|$curr_username:.*|$curr_username:$HASHED_DOKUWIKI_PASSWORD:$curr_username:$curr_username@$HOSTNAME:user,upload|g" /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
        fi
        cp /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users.auth.php
        chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users.auth.php
        chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
        ${PROJECT_NAME}-pass -u $curr_username -a dokuwiki -p "$new_user_password"
    fi
}

function add_user_dokuwiki {
    new_username="$1"
    new_user_password="$2"

    DOKUWIKI_DOMAIN_NAME=$(get_completion_param "dokuwiki domain")
    HASHED_DOKUWIKI_PASSWORD=$(echo -n "$new_user_password" | md5sum | awk -F ' ' '{print $1}')
    echo "$new_username:$HASHED_DOKUWIKI_PASSWORD:$new_username:$new_username@$HOSTNAME:user,upload" >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
    cp /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users.auth.php
    chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
    chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users.auth.php
    ${PROJECT_NAME}-pass -u "$new_username" -a dokuwiki -p "$new_user_password"
}

function remove_user_dokuwiki {
    remove_username="$1"

    read_config_param "DOKUWIKI_DOMAIN_NAME"
    if grep -q "$remove_username:" /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php; then
        sed -i "/$remove_username:/d" /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
        sed -i "/$remove_username:/d" /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users.auth.php
        ${PROJECT_NAME}-pass -u "$remove_username" --rmapp dokuwiki
    fi
}

function reconfigure_dokuwiki {
    echo -n ''
}

function upgrade_dokuwiki {
    function_check set_repo_commit
    set_repo_commit /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs "dokuwiki commit" "$DOKUWIKI_COMMIT" $DOKUWIKI_REPO
}

function backup_local_dokuwiki {
    DOKUWIKI_DOMAIN_NAME=$(get_completion_param "dokuwiki domain")

    function_check backup_directory_to_usb

    # backup the data
    source_directory=/var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data
    if [ -d $source_directory ]; then
        dest_directory=dokuwikidat
        backup_directory_to_usb $source_directory $dest_directory
    fi

    # backup the users
    source_directory=/var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl
    if [ -d $source_directory ]; then
        dest_directory=dokuwikiacl
        cp /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users*.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/
        backup_directory_to_usb $source_directory $dest_directory
    fi
}

function restore_local_dokuwiki_legacy {
    if [ -d /var/lib/dokuwiki ]; then
        echo $"Restoring Legacy Dokuwiki installation"
        function_check get_completion_param
        DOKUWIKI_DOMAIN_NAME=$(get_completion_param "dokuwiki domain")

        temp_restore_dir=/root/tempdokuwiki
        function_check restore_directory_from_usb
        if [ -d ${USB_MOUNT}/backup/dokuwiki ]; then
            restore_directory_from_usb ${temp_restore_dir} dokuwiki
        else
            restore_directory_from_usb ${temp_restore_dir} wiki
        fi

        # restore the data
        cp -r ${temp_restore_dir}/var/lib/dokuwiki/data/* /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data
        if [ ! "$?" = "0" ]; then
            function_check restore_directory_from_usb
            set_user_permissions
            function_check backup_unmount_drive
            backup_unmount_drive
            rm -rf ${temp_restore_dir}
            exit 73562
        fi

        # restore the users
        cp -r ${temp_restore_dir}/var/lib/dokuwiki/acl/users.auth.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl
        cp -r ${temp_restore_dir}/var/lib/dokuwiki/acl/users.auth.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf
        if [ ! "$?" = "0" ]; then
            function_check restore_directory_from_usb
            set_user_permissions
            function_check backup_unmount_drive
            backup_unmount_drive
            rm -rf ${temp_restore_dir}
            exit 23985
        fi
        rm -rf ${temp_restore_dir}

        chmod -R 755 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data
        chmod -R 755 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib
        chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
        chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users.auth.php
        chown -R www-data:www-data /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs
        echo $"Restore of Legacy Dokuwiki complete"
    fi
}

function restore_local_dokuwiki {
    if [ -d ${USB_MOUNT}/backup/dokuwiki ]; then
        restore_local_dokuwiki_legacy
        return
    fi

    echo $"Restoring Dokuwiki installation"
    function_check get_completion_param
    DOKUWIKI_DOMAIN_NAME=$(get_completion_param "dokuwiki domain")

    # restore the data
    temp_restore_dir=/root/tempdokuwikidat
    function_check restore_directory_from_usb
    restore_directory_from_usb ${temp_restore_dir} dokuwikidat
    cp -r ${temp_restore_dir}/var/www/${DOKUWIKI_DOMAIN_NAME}/htdocs/data/* /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data
    if [ ! "$?" = "0" ]; then
        function_check restore_directory_from_usb
        set_user_permissions
        function_check backup_unmount_drive
        backup_unmount_drive
        rm -rf ${temp_restore_dir}
        exit 683352
    fi
    rm -rf ${temp_restore_dir}

    # restore the users
    temp_restore_dir=/root/tempdokuwikiacl
    function_check restore_directory_from_usb
    restore_directory_from_usb ${temp_restore_dir} dokuwikiacl
    cp ${temp_restore_dir}/var/www/${DOKUWIKI_DOMAIN_NAME}/htdocs/lib/plugins/acl/users.auth.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/
    cp ${temp_restore_dir}/var/www/${DOKUWIKI_DOMAIN_NAME}/htdocs/lib/plugins/acl/users.auth.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/
    if [ ! "$?" = "0" ]; then
        function_check restore_directory_from_usb
        set_user_permissions
        function_check backup_unmount_drive
        backup_unmount_drive
        rm -rf ${temp_restore_dir}
        exit 456495
    fi
    rm -rf ${temp_restore_dir}

    chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
    chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users.auth.php
    chmod -R 755 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data
    chmod -R 755 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib
    chown -R www-data:www-data /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs
    echo $"Restore of Dokuwiki complete"
}

function backup_remote_dokuwiki {
    DOKUWIKI_DOMAIN_NAME=$(get_completion_param "dokuwiki domain")
    if [ -d /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs ]; then
        echo $"Backing up dokuwiki"
        backup_directory_to_friend /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data dokuwikidat
        cp /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users*.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/
        backup_directory_to_friend /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl dokuwikiacl
    fi
}

function restore_remote_dokuwiki {
    DOKUWIKI_DOMAIN_NAME=$(get_completion_param "dokuwiki domain")
    function_check get_completion_param
    function_check restore_directory_from_friend

    if [ -d $SERVER_DIRECTORY/backup/dokuwikidat ]; then
        echo $"Restoring Dokuwiki data for $DOKUWIKI_DOMAIN_NAME"
        restore_directory_from_friend /root/tempdokuwikidat dokuwikidat
        cp -r /root/tempdokuwikidat/var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data/* /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data/
        if [ ! "$?" = "0" ]; then
            exit 92634
        fi
        rm -rf /root/tempdokuwikidat

        echo $"Restore of Dokuwiki data complete"
    fi

    if [ -d $SERVER_DIRECTORY/backup/dokuwikiacl ]; then
        echo $"Restoring Dokuwiki users for $DOKUWIKI_DOMAIN_NAME"
        restore_directory_from_friend /root/tempdokuwikiacl dokuwikiacl
        cp -r /root/tempdokuwikidat/var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/* /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/
        if [ ! "$?" = "0" ]; then
            exit 735287
        fi
        rm -rf /root/tempdokuwikiacl

        echo $"Restore of Dokuwiki users complete"
    fi

    chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
    chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users.auth.php
    chmod -R 755 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data/data
    chmod -R 755 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data/lib
    chown -R www-data:www-data /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs
}

function remove_dokuwiki {
    if [ ${#DOKUWIKI_DOMAIN_NAME} -eq 0 ]; then
        return
    fi
    function_check remove_onion_service
    remove_onion_service dokuwiki ${DOKUWIKI_ONION_PORT}
    nginx_dissite $DOKUWIKI_DOMAIN_NAME
    remove_certs $DOKUWIKI_DOMAIN_NAME
    if [ -f /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME ]; then
        rm /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    fi
    if [ ! -d /var/www/$DOKUWIKI_DOMAIN_NAME ]; then
        rm -rf /var/www/$DOKUWIKI_DOMAIN_NAME
    fi
    if [ -d /var/lib/dokuwiki ]; then
        rm -rf /var/lib/dokuwiki
    fi
    if [ -d /etc/dokuwiki ]; then
        rm -rf /etc/dokuwiki
    fi
    if [ -d /usr/share/dokuwiki ]; then
        rm -rf /usr/share/dokuwiki
    fi
    remove_completion_param "install_dokuwiki"
    remove_completion_param "dokuwiki domain"
    sed -i '/dokuwiki/d' $COMPLETION_FILE

    function_check remove_ddns_domain
    remove_ddns_domain $DOKUWIKI_DOMAIN_NAME
}

function install_dokuwiki {
    if [ ! $DOKUWIKI_DOMAIN_NAME ]; then
        return
    fi

    apt-get -yq install php-common php-cli php-curl php-gd php-mcrypt git
    apt-get -yq install php-dev imagemagick php-imagick libfcgi0ldbl
    apt-get -yq install php-memcached memcached

    if [ ! -d /var/www/$DOKUWIKI_DOMAIN_NAME ]; then
        mkdir /var/www/$DOKUWIKI_DOMAIN_NAME
    fi

    if [ ! -f /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/install.php ]; then
        cd /var/www/$DOKUWIKI_DOMAIN_NAME

        if [ -d /repos/dokuwiki ]; then
            mkdir /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs
            cp -r -p /repos/dokuwiki/. /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs
            cd /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs
            git pull
        else
            function_check git_clone
            git_clone $DOKUWIKI_REPO /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs
        fi

        cd /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs
        git checkout $DOKUWIKI_COMMIT -b $DOKUWIKI_COMMIT
        set_completion_param "dokuwiki commit" "$DOKUWIKI_COMMIT"

    fi

    apt-get -yq remove --purge apache2-bin*
    if [ -d /etc/apache2 ]; then
        rm -rf /etc/apache2
        echo $'Removed Apache installation after Dokuwiki install'
    fi

    echo '<?php' > /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/local.php
    echo "\$conf['title'] = '${DOKUWIKI_TITLE}';" >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/local.php
    echo "\$conf['lang'] = 'en';" >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/local.php
    echo "\$conf['license'] = 'cc-by-sa';" >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/local.php
    echo "\$conf['useacl'] = 1;" >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/local.php
    echo "\$conf['superuser'] = '@admin';" >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/local.php
    echo "\$conf['disableactions'] = 'register';" >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/local.php
    ln -s /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/local.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/local.php

    chmod 600 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/local.php
    chown -R www-data:www-data /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs
    chmod -R 755 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib
    chmod -R 755 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/data

    if [ -f $IMAGE_PASSWORD_FILE ]; then
        DOKUWIKI_ADMIN_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
    else
        if [ ! $DOKUWIKI_ADMIN_PASSWORD ]; then
            DOKUWIKI_ADMIN_PASSWORD="$(create_password ${MINIMUM_PASSWORD_LENGTH})"
        fi
    fi
    HASHED_DOKUWIKI_PASSWORD=$(echo -n "$DOKUWIKI_ADMIN_PASSWORD" | md5sum | awk -F ' ' '{print $1}')
    echo -n "$MY_USERNAME:$HASHED_DOKUWIKI_PASSWORD:$MY_NAME:$MY_EMAIL:admin,user,upload" > /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php
    cp /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/users.auth.php
    chmod 640 /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/lib/plugins/acl/users.auth.php

    if ! grep -q "video/ogg" /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/mime.conf; then
        echo 'ogv     video/ogg' >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/mime.conf
    fi
    if ! grep -q "video/mp4" /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/mime.conf; then
        echo 'mp4     video/mp4' >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/mime.conf
    fi
    if ! grep -q "video/webm" /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/mime.conf; then
        echo 'webm    video/webm' >> /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs/conf/mime.conf
    fi

    DOKUWIKI_ONION_HOSTNAME=$(add_onion_service dokuwiki 80 ${DOKUWIKI_ONION_PORT})
    set_completion_param "dokuwiki domain" "${DOKUWIKI_DOMAIN_NAME}"

    if [[ $ONION_ONLY == "no" ]]; then
        function_check nginx_http_redirect
        nginx_http_redirect $DOKUWIKI_DOMAIN_NAME
        echo 'server {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    listen 443 ssl;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    listen [::]:443 ssl;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo "    root /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs;" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo "    server_name $DOKUWIKI_DOMAIN_NAME;" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    access_log /dev/null;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo "    error_log /dev/null;" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    index index.php;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    charset utf-8;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    proxy_read_timeout 86400s;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        function_check nginx_ssl
        nginx_ssl $DOKUWIKI_DOMAIN_NAME
        function_check nginx_disable_sniffing
        nginx_disable_sniffing $DOKUWIKI_DOMAIN_NAME
        echo '    add_header Strict-Transport-Security "max-age=0;";' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    # rewrite to front controller as default rule' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    location / {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        function_check nginx_limits
        nginx_limits $DOKUWIKI_DOMAIN_NAME
        echo '        rewrite ^/(.*) /index.php?q=$uri&$args last;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        nginx_keybase $DOKUWIKI_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    # statically serve these file types when possible' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    # otherwise fall back to front controller' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    # allow browser to cache them' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    # added .htm for advanced source code editor library' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        expires 30d;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        try_files $uri /index.php?q=$uri&$args;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    # block these file types' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    location ~* \.(tpl|md|tgz|log|out)$ {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        deny all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    # or a unix socket' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    location ~* \.php$ {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        function_check nginx_limits
        nginx_limits $DOKUWIKI_DOMAIN_NAME
        echo '        # Zero-day exploit defense.' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        # http://forum.nginx.org/read.php?2,88845,page=3' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo "        # Won't work properly (404 error) if the file is not stored on this" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo "        # server, which is entirely possible with php-fpm/php-fcgi." >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo "        # another machine. And then cross your fingers that you won't get hacked." >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        try_files $uri $uri/ /index.php;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        # With php-cgi alone:' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        # fastcgi_pass 127.0.0.1:9000;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        # With php-fpm:' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        include fastcgi_params;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        fastcgi_index index.php;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    # deny access to all dot files' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    location ~ /\. {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        deny all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    #deny access to store' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    location ~ /store {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '        deny all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    location ~ /(data|conf|bin|inc)/ {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '      deny all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    location ~ /\.ht {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '      deny  all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '}' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    else
        echo -n '' > /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    fi
    echo 'server {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo "    listen 127.0.0.1:${DOKUWIKI_ONION_PORT} default_server;" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo "    root /var/www/$DOKUWIKI_DOMAIN_NAME/htdocs;" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo "    server_name $DOKUWIKI_ONION_HOSTNAME;" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    access_log /dev/null;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo "    error_log /dev/null;" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    index index.php;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    charset utf-8;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    proxy_read_timeout 86400s;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    function_check nginx_disable_sniffing
    nginx_disable_sniffing $DOKUWIKI_DOMAIN_NAME
    echo '    add_header Strict-Transport-Security "max-age=0;";' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    # rewrite to front controller as default rule' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    location / {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    function_check nginx_limits
    nginx_limits $DOKUWIKI_DOMAIN_NAME
    echo '        rewrite ^/(.*) /index.php?q=$uri&$args last;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    nginx_keybase $DOKUWIKI_DOMAIN_NAME
    echo '    # statically serve these file types when possible' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    # otherwise fall back to front controller' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    # allow browser to cache them' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    # added .htm for advanced source code editor library' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        expires 30d;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        try_files $uri /index.php?q=$uri&$args;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    # block these file types' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    location ~* \.(tpl|md|tgz|log|out)$ {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        deny all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    # or a unix socket' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    location ~* \.php$ {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    function_check nginx_limits
    nginx_limits $DOKUWIKI_DOMAIN_NAME
    echo '        # Zero-day exploit defense.' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        # http://forum.nginx.org/read.php?2,88845,page=3' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo "        # Won't work properly (404 error) if the file is not stored on this" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo "        # server, which is entirely possible with php-fpm/php-fcgi." >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on" >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo "        # another machine. And then cross your fingers that you won't get hacked." >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        try_files $uri $uri/ /index.php;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        # With php-cgi alone:' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        # fastcgi_pass 127.0.0.1:9000;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        # With php-fpm:' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        include fastcgi_params;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        fastcgi_index index.php;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    # deny access to all dot files' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    location ~ /\. {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        deny all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    #deny access to store' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    location ~ /store {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '        deny all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    location ~ /(data|conf|bin|inc)/ {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '      deny all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    location ~ /\.ht {' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '      deny  all;' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME
    echo '}' >> /etc/nginx/sites-available/$DOKUWIKI_DOMAIN_NAME

    function_check create_site_certificate
    create_site_certificate $DOKUWIKI_DOMAIN_NAME 'yes'

    function_check configure_php
    configure_php

    nginx_ensite $DOKUWIKI_DOMAIN_NAME

    systemctl restart php7.0-fpm
    systemctl restart nginx

    function_check add_ddns_domain
    add_ddns_domain $DOKUWIKI_DOMAIN_NAME

    ${PROJECT_NAME}-pass -u $MY_USERNAME -a dokuwiki -p "$DOKUWIKI_ADMIN_PASSWORD"

    APP_INSTALLED=1
}

# NOTE: deliberately no exit 0