#!/bin/bash
#  _____               _           _
# |   __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
# |   __|  _| -_| -_| . | . |     | . | . |   | -_|
# |__|  |_| |___|___|___|___|_|_|_|___|___|_|_|___|
#
#                              Freedom in the Cloud
#
# Htmly functions
#
# License
# =======
#
# Copyright (C) 2014-2018 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/>.

VARIANTS="full full-vim writer"

IN_DEFAULT_INSTALL=0
SHOW_ON_ABOUT=1

HTMLY_DOMAIN_NAME=
HTMLY_CODE=
HTMLY_ONION_PORT=8086
HTMLY_REPO="https://github.com/danpros/htmly"
HTMLY_COMMIT='bf5fe9486160be4da86d8987d3e5c977e1dc6d32'
HTMLY_TITLE="My Blog"
HTMLY_SUBTITLE="Another ${PROJECT_NAME} blog"

HTMLY_SHORT_DESCRIPTION=$'HTMLy'
HTMLY_DESCRIPTION=$'HTMLy databaseless blogging'
HTMLY_MOBILE_APP_URL=

htmly_variables=(HTMLY_REPO
                 HTMLY_DOMAIN_NAME
                 HTMLY_CODE
                 HTMLY_TITLE
                 HTMLY_SUBTITLE
                 ONION_ONLY
                 DDNS_PROVIDER
                 MY_USERNAME)

function logging_on_htmly {
    echo -n ''
}

function logging_off_htmly {
    echo -n ''
}

function set_avatar_from_url {
    AVATAR="$1"

    read_config_param "HTMLY_DOMAIN_NAME"
    BASE_DIR=/var/www/$HTMLY_DOMAIN_NAME/htdocs

    if [ ! -d $BASE_DIR/customimages ]; then
        mkdir $BASE_DIR/customimages
    fi

    # download the image
    cd "$BASE_DIR/customimages" || exit 2468246
    # convert to png
    wget "$AVATAR" -O avatar
    if [[ "$AVATAR" == *".gif" ]]; then
        mv avatar avatar.gif
        mogrify -format png avatar.gif
    fi
    if [[ "$AVATAR" == *".jpg" ]]; then
        mv avatar avatar.jpg
        mogrify -format png avatar.jpg
    fi
    if [[ "$AVATAR" == *".jpeg" ]]; then
        mv avatar avatar.jpeg
        mogrify -format png avatar.jpeg
    fi
    if [ -f avatar ]; then
        mv avatar avatar.png
    fi

    # standard size
    mogrify -resize 150x150 avatar.png
    if [ ! -f $BASE_DIR/customimages/avatar.png ]; then
        echo $'Avatar image could not be downloaded'
        return
    fi
    chown -R www-data:www-data $BASE_DIR/customimages
    AVATAR_SET=1
}

function remove_user_htmly {
    remove_username="$1"

    "${PROJECT_NAME}-pass" -u "$remove_username" --rmapp htmly

    if [ -f "/var/www/${HTMLY_DOMAIN_NAME}/htdocs/config/users/${remove_username}.ini" ]; then
        rm "/var/www/${HTMLY_DOMAIN_NAME}/htdocs/config/users/${remove_username}.ini"
    fi
}

function add_user_htmly {
    if [[ $(app_is_installed htmly) == "0" ]]; then
        echo '0'
        return
    fi

    new_username="$1"
    new_user_password="$2"

    "${PROJECT_NAME}-pass" -u "$new_username" -a htmly -p "$new_user_password"

    if [ ! -d /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users ]; then
        echo '2'
        return
    fi
    NEW_USER_PASSWORD_HASH=$("${PROJECT_NAME}-sec" --htmlyhash "$new_user_password")
    if [ ${#NEW_USER_PASSWORD_HASH} -lt 8 ]; then
        echo '3'
        return
    fi
    { echo ';Password';
      echo "password = $NEW_USER_PASSWORD_HASH";
      echo 'encryption = password_hash';
      echo ';Role';
      echo 'role = admin'; } > "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$new_username.ini"
    echo '0'
}

function configure_interactive_htmly {
    data=$(mktemp 2>/dev/null)
    dialog --title $"Change htmly avatar" \
           --backtitle $"Freedombone Control Panel" \
           --inputbox $"Enter a URL for an image. It should be approximately a square image." 8 75 2>"$data"
    sel=$?
    case $sel in
        0)
            IMAGE_URL=$(<"$data")
            if [ ${#IMAGE_URL} -gt 5 ]; then
                clear
                AVATAR_SET=
                set_avatar_from_url "$IMAGE_URL"
                if [ $AVATAR_SET ]; then
                    dialog --title $"Change htmly avatar" \
                           --msgbox $"Your htmly avatar has been changed" 6 40
                fi
            fi
            ;;
    esac
    rm -f "$data"
}

function install_interactive_htmly {
    if [ ! "$ONION_ONLY" ]; then
        ONION_ONLY='no'
    fi

    if [[ $ONION_ONLY != "no" ]]; then
        HTMLY_TITLE='My Htmly Blog'
        HTMLY_DOMAIN_NAME='htmly.local'
        write_config_param "HTMLY_TITLE" "$HTMLY_TITLE"
        write_config_param "HTMLY_DOMAIN_NAME" "$HTMLY_DOMAIN_NAME"
    else
        function_check interactive_site_details_with_title
        interactive_site_details_with_title "htmly" "HTMLY_TITLE" "HTMLY_DOMAIN_NAME" "HTMLY_CODE"
    fi
    APP_INSTALLED=1
}

function change_password_htmly {
    set_completion_param "htmly domain" "$HTMLY_DOMAIN_NAME"
    HTMLY_DOMAIN_NAME=$(get_completion_param "htmly domain")

    HTMLY_USERNAME="$1"
    HTMLY_PASSWORD="$2"
    if [ ${#HTMLY_PASSWORD} -lt 8 ]; then
        echo $'Htmly password is too short'
        return
    fi
    "${PROJECT_NAME}-pass" -u "$HTMLY_USERNAME" -a htmly -p "$HTMLY_PASSWORD"
    HTMLY_PASSWORD_HASH=$("${PROJECT_NAME}-sec" --htmlyhash "$HTMLY_PASSWORD")
    if [ ${#HTMLY_PASSWORD_HASH} -lt 8 ]; then
        echo $'Htmly admin password could not be hashed'
        exit 625728
    fi
    sed -i "s|password =.*|password = $HTMLY_PASSWORD_HASH|g" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$HTMLY_USERNAME.ini"
}

function reconfigure_htmly {
    echo -n ''
}

function upgrade_htmly {
    CURR_HTMLY_COMMIT=$(get_completion_param "htmly commit")
    if [[ "$CURR_HTMLY_COMMIT" == "$HTMLY_COMMIT" ]]; then
        return
    fi

    read_config_param "HTMLY_DOMAIN_NAME"

    function_check set_repo_commit
    set_repo_commit "/var/www/$HTMLY_DOMAIN_NAME/htdocs" "htmly commit" "$HTMLY_COMMIT" $HTMLY_REPO
}

function backup_local_htmly {
    HTMLY_DOMAIN_NAME='htmly.local'
    if grep -q "htmly domain" "$COMPLETION_FILE"; then
        HTMLY_DOMAIN_NAME=$(get_completion_param "htmly domain")
    fi

    source_directory="/var/www/${HTMLY_DOMAIN_NAME}/htdocs"
    if [ -d "$source_directory" ]; then
        dest_directory=htmly
        function_check suspend_site
        suspend_site "${HTMLY_DOMAIN_NAME}"

        function_check backup_directory_to_usb
        backup_directory_to_usb "$source_directory" "$dest_directory"

        function_check restart_site
        restart_site
    fi
}

function restore_local_htmly {
    HTMLY_DOMAIN_NAME='htmly.local'
    if grep -q "htmly domain" "$COMPLETION_FILE"; then
        HTMLY_DOMAIN_NAME=$(get_completion_param "htmly domain")
    fi
    if [ "$HTMLY_DOMAIN_NAME" ]; then
        temp_restore_dir=/root/temphtmly
        if [ -d "$USB_MOUNT/backup/htmly" ]; then
            restore_directory_from_usb $temp_restore_dir htmly
        else
            restore_directory_from_usb $temp_restore_dir blog
        fi
        if [ -d "/var/www/${HTMLY_DOMAIN_NAME}/htdocs" ]; then
            if [ -d "/var/www/${HTMLY_DOMAIN_NAME}/previous" ]; then
                rm -rf "/var/www/${HTMLY_DOMAIN_NAME}/previous"
            fi
            # shellcheck disable=SC2086
            mv /var/www/${HTMLY_DOMAIN_NAME}/htdocs /var/www/${HTMLY_DOMAIN_NAME}/previous
        fi
        if [ -d "${temp_restore_dir}/var/www/${HTMLY_DOMAIN_NAME}/htdocs" ]; then
            temp_source_dir=$(find ${temp_restore_dir} -name htdocs)
            cp -r "${temp_source_dir}" "/var/www/${HTMLY_DOMAIN_NAME}/"
        else
            if [ ! -d "/var/www/${HTMLY_DOMAIN_NAME}/htdocs" ]; then
                mkdir "/var/www/${HTMLY_DOMAIN_NAME}/htdocs"
            fi
            cp -r "${temp_restore_dir}/"* "/var/www/${HTMLY_DOMAIN_NAME}/htdocs/"
        fi
        # shellcheck disable=SC2181
        if [ ! "$?" = "0" ]; then
            if [ -d "/var/www/${HTMLY_DOMAIN_NAME}/previous" ]; then
                # shellcheck disable=SC2086
                mv /var/www/${HTMLY_DOMAIN_NAME}/previous /var/www/${HTMLY_DOMAIN_NAME}/htdocs
            fi
            set_user_permissions
            backup_unmount_drive
            exit 54675
        fi
        rm -rf ${temp_restore_dir}
        if [ ! -d "/var/www/${HTMLY_DOMAIN_NAME}/htdocs/content" ]; then
            echo $"No content directory found after restoring htmly"
            set_user_permissions
            backup_unmount_drive
            exit 34578
        fi
        chown -R www-data:www-data "/var/www/${HTMLY_DOMAIN_NAME}/htdocs"
        # Ensure that the bundled SSL cert is being used
        if [ -f "/etc/ssl/certs/${HTMLY_DOMAIN_NAME}.bundle.crt" ]; then
            sed -i "s|${HTMLY_DOMAIN_NAME}.crt|${HTMLY_DOMAIN_NAME}.bundle.crt|g" "/etc/nginx/sites-available/${HTMLY_DOMAIN_NAME}"
        fi
        for d in /home/*/ ; do
            USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
            if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
                if [ -d "/var/www/${HTMLY_DOMAIN_NAME}/htdocs/content/$USERNAME/htmly/uncategorized/post" ]; then
                    # shellcheck disable=SC2086
                    mv /var/www/${HTMLY_DOMAIN_NAME}/htdocs/content/$USERNAME/htmly/*.md /var/www/${HTMLY_DOMAIN_NAME}/htdocs/content/$USERNAME/htmly/uncategorized/post
                fi
            fi
        done
        if [ -d "/etc/letsencrypt/live/${HTMLY_DOMAIN_NAME}" ]; then
            ln -s "/etc/letsencrypt/live/${HTMLY_DOMAIN_NAME}/privkey.pem" "/etc/ssl/private/${HTMLY_DOMAIN_NAME}.key"
            ln -s "/etc/letsencrypt/live/${HTMLY_DOMAIN_NAME}/fullchain.pem" "/etc/ssl/certs/${HTMLY_DOMAIN_NAME}.pem"
        fi
    fi
}

function backup_remote_htmly {
    if grep -q "htmly domain" "$COMPLETION_FILE"; then
        HTMLY_DOMAIN_NAME=$(get_completion_param "htmly domain")
        temp_backup_dir=/var/www/${HTMLY_DOMAIN_NAME}/htdocs
        if [ -d "$temp_backup_dir" ]; then
            echo $"Backing up htmly"
            backup_directory_to_friend "$temp_backup_dir" htmly
            echo $"Backup of htmly complete"
        else
            echo $"Htmly domain specified but not found in $temp_backup_dir"
            exit 2578
        fi
    fi
}

function restore_remote_htmly {
    if [ -d "$SERVER_DIRECTORY/backup/htmly" ]; then
        HTMLY_DOMAIN_NAME=$(get_completion_param "htmly domain")
        echo $"Restoring htmly installation $HTMLY_DOMAIN_NAME"
        temp_restore_dir=/root/temphtmly
        mkdir $temp_restore_dir
        function_check restore_directory_from_friend
        restore_directory_from_friend $temp_restore_dir htmly
        if [ -d "/var/www/${HTMLY_DOMAIN_NAME}/htdocs" ]; then
            if [ -d "/var/www/${HTMLY_DOMAIN_NAME}/previous" ]; then
                rm -rf "/var/www/${HTMLY_DOMAIN_NAME}/previous"
            fi
            # shellcheck disable=SC2086
            mv /var/www/${HTMLY_DOMAIN_NAME}/htdocs /var/www/${HTMLY_DOMAIN_NAME}/previous
        fi

        if [ -d "${temp_restore_dir}/var/www/${HTMLY_DOMAIN_NAME}/htdocs" ]; then
            temp_source_dir=$(find ${temp_restore_dir} -name htdocs)
            cp -r "${temp_source_dir}" "/var/www/${HTMLY_DOMAIN_NAME}/"
        else
            if [ ! -d "/var/www/${HTMLY_DOMAIN_NAME}/htdocs" ]; then
                mkdir "/var/www/${HTMLY_DOMAIN_NAME}/htdocs"
            fi
            cp -r "${temp_restore_dir}/"* "/var/www/${HTMLY_DOMAIN_NAME}/htdocs/"
        fi

        # shellcheck disable=SC2181
        if [ ! "$?" = "0" ]; then
            if [ -d "/var/www/${HTMLY_DOMAIN_NAME}/previous" ]; then
                # shellcheck disable=SC2086
                mv /var/www/${HTMLY_DOMAIN_NAME}/previous /var/www/${HTMLY_DOMAIN_NAME}/htdocs
            fi
            exit 593
        fi
        rm -rf ${temp_restore_dir}
        if [ ! -d "/var/www/${HTMLY_DOMAIN_NAME}/htdocs/content" ]; then
            echo $"No content directory found after restoring htmly"
            exit 287
        fi
        # Ensure that the bundled SSL cert is being used
        if [ -f "/etc/ssl/certs/${HTMLY_DOMAIN_NAME}.bundle.crt" ]; then
            sed -i "s|${HTMLY_DOMAIN_NAME}.crt|${HTMLY_DOMAIN_NAME}.bundle.crt|g" "/etc/nginx/sites-available/${HTMLY_DOMAIN_NAME}"
        fi
        for d in /home/*/ ; do
            USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
            if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
                if [ -d "/var/www/${HTMLY_DOMAIN_NAME}/htdocs/content/$USERNAME/htmly/uncategorized/post" ]; then
                    # shellcheck disable=SC2086
                    mv /var/www/${HTMLY_DOMAIN_NAME}/htdocs/content/$USERNAME/htmly/*.md /var/www/${HTMLY_DOMAIN_NAME}/htdocs/content/$USERNAME/htmly/uncategorized/post
                fi
            fi
        done
        if [ -d "/etc/letsencrypt/live/${HTMLY_DOMAIN_NAME}" ]; then
            ln -s "/etc/letsencrypt/live/${HTMLY_DOMAIN_NAME}/privkey.pem" "/etc/ssl/private/${HTMLY_DOMAIN_NAME}.key"
            ln -s "/etc/letsencrypt/live/${HTMLY_DOMAIN_NAME}/fullchain.pem" "/etc/ssl/certs/${HTMLY_DOMAIN_NAME}.pem"
        fi
        echo $"Restore of htmly complete"
    fi
}

function remove_htmly {
    if [ ${#HTMLY_DOMAIN_NAME} -eq 0 ]; then
        return
    fi

    read_config_param "HTMLY_DOMAIN_NAME"
    nginx_dissite "$HTMLY_DOMAIN_NAME"
    remove_certs "${HTMLY_DOMAIN_NAME}"
    if [ -f "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME" ]; then
        rm -f "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
    fi
    if [ -d "/var/www/$HTMLY_DOMAIN_NAME" ]; then
        rm -rf "/var/www/$HTMLY_DOMAIN_NAME"
    fi
    remove_config_param HTMLY_DOMAIN_NAME
    remove_config_param HTMLY_CODE
    function_check remove_onion_service
    remove_onion_service htmly ${HTMLY_ONION_PORT}
    remove_completion_param "install_htmly"
    sed -i '/Htmly/d' "$COMPLETION_FILE"
    sed -i '/htmly/d' "$COMPLETION_FILE"

    function_check remove_ddns_domain
    remove_ddns_domain "$HTMLY_DOMAIN_NAME"
}

function install_htmly_social_networks {
    # set social networks
    if grep -q "social.hubzilla" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"; then
        sed -i "s|;social.hubzilla|social.hubzilla|g" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
        sed -i "s|social.hubzilla.*|social.hubzilla = \"$HUBZILLA_DOMAIN_NAME\"|g" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
    fi
    if grep -q "social.gnusocial" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"; then
        sed -i "s|;social.gnusocial|social.gnusocial|g" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
        sed -i "s|social.gnusocial.*|social.gnusocial = \"$MICROHTMLY_DOMAIN_NAME\"|g" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
    fi

    # clear proprietary social network strings
    sed -i 's|social.facebook.*|social.facebook = ""|g' "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
    sed -i 's|social.twitter.*|social.twitter = ""|g' "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
    sed -i 's|social.google.*|social.google = ""|g' "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
}

function install_htmly_user {
    # create a user password
    if [ -f "$IMAGE_PASSWORD_FILE" ]; then
        HTMLY_ADMIN_PASSWORD="$(printf "%s" "$(cat "$IMAGE_PASSWORD_FILE")")"
    else
        HTMLY_ADMIN_PASSWORD="$(create_password "${MINIMUM_PASSWORD_LENGTH}")"
    fi

    # create a user
    HTMLY_ADMIN_PASSWORD_HASH=$("${PROJECT_NAME}-sec" --htmlyhash "$HTMLY_ADMIN_PASSWORD")
    if [ ${#HTMLY_ADMIN_PASSWORD_HASH} -lt 8 ]; then
        echo $'Htmly admin password could not be hashed'
        exit 625728
    fi
    { echo ';Password';
      echo "password = $HTMLY_ADMIN_PASSWORD_HASH";
      echo 'encryption = password_hash';
      echo ';Role';
      echo 'role = admin'; } > "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini"
}

function install_htmly_settings {
    cp "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini.example" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
    sed -i "s|site.url.*|site.url = '/'|g" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
    sed -i "s|blog.title.*|blog.title = \"$HTMLY_TITLE\"|g" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
    sed -i "s|blog.tagline.*|blog.tagline = \"$HTMLY_SUBTITLE\"|g" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
    sed -i 's|timezone.*|timezone = "Europe/London"|g' "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
    sed -i "s|Your name|$MY_NAME|g" "/var/www/$HTMLY_DOMAIN_NAME/htdocs/config/config.ini"
}

function install_htmly_website {
    function_check nginx_http_redirect
    nginx_http_redirect "$HTMLY_DOMAIN_NAME"
    { echo 'server {';
      echo '    listen 443 ssl;';
      echo '    #listen [::]:443 ssl;';
      echo "    root /var/www/$HTMLY_DOMAIN_NAME/htdocs;";
      echo "    server_name $HTMLY_DOMAIN_NAME;";
      echo '    access_log /dev/null;';
      echo "    error_log /dev/null;";
      echo '    index index.php;';
      echo '    charset utf-8;';
      echo '    proxy_read_timeout 86400s;'; } >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
    function_check nginx_ssl
    nginx_ssl "$HTMLY_DOMAIN_NAME"
    function_check nginx_security_options
    nginx_security_options "$HTMLY_DOMAIN_NAME"
    { echo '    add_header Strict-Transport-Security "max-age=0;";';
      echo '';
      echo '    # rewrite to front controller as default rule';
      echo '    location / {'; } >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
    function_check nginx_limits
    nginx_limits "$HTMLY_DOMAIN_NAME"
    { echo "        rewrite ^/(.*) /index.php?q=\$uri&\$args last;";
      echo '    }';
      echo '';
      echo '    # statically serve these file types when possible';
      echo '    # otherwise fall back to front controller';
      echo '    # allow browser to cache them';
      echo '    # added .htm for advanced source code editor library';
      echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {';
      echo '        expires 30d;';
      echo "        try_files \$uri /index.php?q=\$uri&\$args;";
      echo '    }';
      echo '';
      echo '    # block these file types';
      echo '    location ~* \.(tpl|md|tgz|log|out)$ {';
      echo '        deny all;';
      echo '    }';
      echo '';
      echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000';
      echo '    # or a unix socket';
      echo '    location ~* \.php$ {';
      echo '        # Zero-day exploit defense.';
      echo '        # http://forum.nginx.org/read.php?2,88845,page=3';
      echo "        # Won't work properly (404 error) if the file is not stored on this";
      echo "        # server, which is entirely possible with php-fpm/php-fcgi.";
      echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on";
      echo "        # another machine. And then cross your fingers that you won't get hacked.";
      echo "        try_files \$uri \$uri/ /index.php;";
      echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini';
      echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;';
      echo '        # With php-cgi alone:';
      echo '        # fastcgi_pass 127.0.0.1:9000;';
      echo '        # With php-fpm:';
      echo '        fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;';
      echo '        include fastcgi_params;';
      echo '        fastcgi_read_timeout 30;';
      echo '        fastcgi_index index.php;';
      echo "        fastcgi_param SCRIPT_FILENAME \$document_root\$fastcgi_script_name;";
      echo '    }';
      echo '';
      echo '    # deny access to all dot files';
      echo '    location ~ /\. {';
      echo '        deny all;';
      echo '    }';
      echo '';
      echo '    #deny access to store';
      echo '    location ~ /store {';
      echo '        deny all;';
      echo '    }';
      echo '    location ~ /(data|conf|bin|inc)/ {';
      echo '      deny all;';
      echo '    }';
      echo '    location ~ /\.ht {';
      echo '      deny  all;';
      echo '    }';
      echo '}';
      echo ''; } >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
}

function install_htmly_website_onion {
    { echo 'server {';
      echo "    listen 127.0.0.1:${HTMLY_ONION_PORT} default_server;";
      echo "    root /var/www/$HTMLY_DOMAIN_NAME/htdocs;"; } >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"

    if [[ "$ONION_ONLY" != 'yes' ]]; then
        echo "    server_name $HTMLY_DOMAIN_NAME;" >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
    else
        echo "    server_name $HTMLY_ONION_HOSTNAME;" >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
    fi

    { echo '    access_log /dev/null;';
      echo "    error_log /dev/null;";
      echo '    index index.php;';
      echo '    charset utf-8;';
      echo '    proxy_read_timeout 86400s;'; } >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
    function_check nginx_security_options
    nginx_security_options "$HTMLY_DOMAIN_NAME"
    { echo '    add_header Strict-Transport-Security "max-age=0;";';
      echo '';
      echo '    # rewrite to front controller as default rule';
      echo '    location / {'; } >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
    function_check nginx_limits
    nginx_limits "$HTMLY_DOMAIN_NAME"
    { echo "        rewrite ^/(.*) /index.php?q=\$uri&\$args last;";
      echo '    }';
      echo '';
      echo '    # statically serve these file types when possible';
      echo '    # otherwise fall back to front controller';
      echo '    # allow browser to cache them';
      echo '    # added .htm for advanced source code editor library';
      echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {';
      echo '        expires 30d;';
      echo "        try_files \$uri /index.php?q=\$uri&\$args;";
      echo '    }';
      echo '';
      echo '    # block these file types';
      echo '    location ~* \.(tpl|md|tgz|log|out)$ {';
      echo '        deny all;';
      echo '    }';
      echo '';
      echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000';
      echo '    # or a unix socket';
      echo '    location ~* \.php$ {'; } >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
    function_check nginx_limits
    nginx_limits "$HTMLY_DOMAIN_NAME"
    { echo '        # Zero-day exploit defense.';
      echo '        # http://forum.nginx.org/read.php?2,88845,page=3';
      echo "        # Won't work properly (404 error) if the file is not stored on this";
      echo "        # server, which is entirely possible with php-fpm/php-fcgi.";
      echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on";
      echo "        # another machine. And then cross your fingers that you won't get hacked.";
      echo "        try_files \$uri \$uri/ /index.php;";
      echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini';
      echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;';
      echo '        # With php-cgi alone:';
      echo '        # fastcgi_pass 127.0.0.1:9000;';
      echo '        # With php-fpm:';
      echo '        fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;';
      echo '        include fastcgi_params;';
      echo '        fastcgi_read_timeout 30;';
      echo '        fastcgi_index index.php;';
      echo "        fastcgi_param SCRIPT_FILENAME \$document_root\$fastcgi_script_name;";
      echo '    }';
      echo '';
      echo '    # deny access to all dot files';
      echo '    location ~ /\. {';
      echo '        deny all;';
      echo '    }';
      echo '';
      echo '    #deny access to store';
      echo '    location ~ /store {';
      echo '        deny all;';
      echo '    }';
      echo '    location ~ /(data|conf|bin|inc)/ {';
      echo '      deny all;';
      echo '    }';
      echo '    location ~ /\.ht {';
      echo '      deny  all;';
      echo '    }';
      echo '}'; } >> "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
}

function install_htmly_from_repo {
    if [ ! -d "/var/www/$HTMLY_DOMAIN_NAME" ]; then
        mkdir "/var/www/$HTMLY_DOMAIN_NAME"
    fi

    cd "/var/www/$HTMLY_DOMAIN_NAME" || exit 34684682

    if [ -d /repos/htmly ]; then
        mkdir htdocs
        cp -r -p /repos/htmly/. htdocs
        cd htdocs || exit 3468735
        git pull
    else
        git_clone $HTMLY_REPO htdocs
    fi

    cd htdocs || exit 3479835
    git checkout $HTMLY_COMMIT -b $HTMLY_COMMIT
    set_completion_param "htmly commit" "$HTMLY_COMMIT"
}

function install_htmly {
    if [ ! "$ONION_ONLY" ]; then
        ONION_ONLY='no'
    fi

    if [ ! "$HTMLY_DOMAIN_NAME" ]; then
        echo $'The htmly domain name was not specified'
        exit 5062
    fi

    # for the avatar changing command
    apt-get -yq install imagemagick libfcgi0ldbl

    function_check install_htmly_from_repo
    install_htmly_from_repo

    if [[ $ONION_ONLY == "no" ]]; then
        function_check install_htmly_website
        install_htmly_website
    else
        echo -n '' > "/etc/nginx/sites-available/$HTMLY_DOMAIN_NAME"
    fi
    HTMLY_ONION_HOSTNAME=$(add_onion_service htmly 80 ${HTMLY_ONION_PORT})
    function_check install_htmly_website_onion
    install_htmly_website_onion

    function_check create_site_certificate
    create_site_certificate "$HTMLY_DOMAIN_NAME" 'yes'

    function_check configure_php
    configure_php

    function_check install_htmly_settings
    install_htmly_settings

    function_check install_htmly_social_networks
    install_htmly_social_networks

    function_check install_htmly_user
    install_htmly_user

    chown -R www-data:www-data "/var/www/$HTMLY_DOMAIN_NAME/htdocs"

    function_check nginx_ensite
    nginx_ensite "$HTMLY_DOMAIN_NAME"

    systemctl restart php7.0-fpm
    systemctl restart nginx

    "${PROJECT_NAME}-pass" -u "$MY_USERNAME" -a htmly -p "$HTMLY_ADMIN_PASSWORD"

    function_check add_ddns_domain
    add_ddns_domain "$HTMLY_DOMAIN_NAME"

    set_completion_param "htmly domain" "$HTMLY_DOMAIN_NAME"
    APP_INSTALLED=1
}

# NOTE: deliberately no exit 0