#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# Htmly functions
#
# 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

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_variables=(HTMLY_REPO
                 HTMLY_COMMIT
                 HTMLY_DOMAIN_NAME
                 HTMLY_CODE
                 HTMLY_TITLE
                 HTMLY_SUBTITLE
                 ONION_ONLY
                 DDNS_PROVIDER
                 MY_USERNAME)

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
    # 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"

    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"

    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 [ ${#NEW_USER_PASSWORD_HASH} -lt 8 ]; then
        echo '3'
        return
    fi
    echo ';Password' > /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$new_username.ini
    echo "password = $NEW_USER_PASSWORD_HASH" >> /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$new_username.ini
    echo 'encryption = password_hash' >> /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$new_username.ini
    echo ';Role' >> /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$new_username.ini
    echo 'role = admin' >> /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$new_username.ini
    echo '0'
}

function configure_interactive_htmly {
    data=$(tempfile 2>/dev/null)
    trap "rm -f $data" 0 1 2 5 15
    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
}

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

    if [[ $ONION_ONLY != "no" ]]; then
        HTMLY_TITLE='My Htmly'
        HTMLY_DOMAIN_NAME='htmly.local'
        write_config_param "HTMLY_TITLE" "$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 $'Htmly password is too short'
        return
    fi
    HTMLY_PASSWORD_HASH=$(${PROJECT_NAME}-sec --htmlyhash "$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 {
    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'
    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
        echo $"Backing up $source_directory to $dest_directory"

        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

        echo $"Backup to $dest_directory complete"
    fi
}

function restore_local_htmly {
    HTMLY_DOMAIN_NAME='htmly'
    if grep -q "htmly domain" $COMPLETION_FILE; then
        HTMLY_DOMAIN_NAME=$(get_completion_param "htmly domain")
    fi
    if [ $HTMLY_DOMAIN_NAME ]; then
        echo $"Restoring htmly installation"
        temp_restore_dir=/root/temphtmly
        if [ -d $USB_MOUNT/backup/blog ]; then
            restore_directory_from_usb $temp_restore_dir blog
        else
            restore_directory_from_usb $temp_restore_dir htmly
        fi
        if [ -d /var/www/${HTMLY_DOMAIN_NAME}/htdocs ]; then
            rm -rf /var/www/${HTMLY_DOMAIN_NAME}/htdocs
        fi
        temp_source_dir=$(find ${temp_restore_dir} -name htdocs)
        cp -r ${temp_source_dir} /var/www/${HTMLY_DOMAIN_NAME}/
        if [ ! "$?" = "0" ]; then
            set_user_permissions
            backup_unmount_drive
            exit 593
        fi
        rm -rf ${temp_restore_dir}
        if [ ! -d /var/www/${HTMLY_DOMAIN_NAME}/htdocs/content ]; then
            echo $"No content directory found after restoring htmly"
            set_user_permissions
            backup_unmount_drive
            exit 287
        fi
        chown -R www-data:www-data /var/www/${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
                    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
            rm -rf /var/www/${HTMLY_DOMAIN_NAME}/htdocs
        fi
        temp_source_dir=$(find ${temp_restore_dir} -name htdocs)
        cp -r ${temp_source_dir} /var/www/${HTMLY_DOMAIN_NAME}/
        if [ ! "$?" = "0" ]; then
            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
                    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' $COMPLETION_FILE
    sed -i '/htmly/d' /home/$MY_USERNAME/README
    sed -i '/Htmly/d' /home/$MY_USERNAME/README
}

function get_htmly_admin_password {
    if [ -f /home/$MY_USERNAME/README ]; then
        if grep -q "Your htmly password is" /home/$MY_USERNAME/README; then
            HTMLY_ADMIN_PASSWORD=$(cat /home/$MY_USERNAME/README | grep "Your htmly password is" | awk -F ':' '{print $2}' | sed 's/^ *//')
        fi
    fi
}

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
    function_check get_htmly_admin_password
    get_htmly_admin_password
    if [ ! $HTMLY_ADMIN_PASSWORD ]; then
        if [ -f $IMAGE_PASSWORD_FILE ]; then
            HTMLY_ADMIN_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
        else
            HTMLY_ADMIN_PASSWORD="$(create_password ${MINIMUM_PASSWORD_LENGTH})"
        fi
        echo '' >> /home/$MY_USERNAME/README
        echo '' >> /home/$MY_USERNAME/README
        echo $'# htmly' >> /home/$MY_USERNAME/README
        echo $"Your htmly username: $MY_USERNAME" >> /home/$MY_USERNAME/README
        echo $"Your htmly password is: $HTMLY_ADMIN_PASSWORD" >> /home/$MY_USERNAME/README
        if [[ $ONION_ONLY == 'no' ]]; then
            echo $"Log into your htmly at https://$HTMLY_DOMAIN_NAME/login" >> /home/$MY_USERNAME/README
        fi
        chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
        chmod 600 /home/$MY_USERNAME/README
    fi

    # create a user
    HTMLY_ADMIN_PASSWORD_HASH=$(${PROJECT_NAME}-sec --htmlyhash "$HTMLY_ADMIN_PASSWORD")
    if [ ${#HTMLY_ADMIN_PASSWORD_HASH} -lt 8 ]; then
        echo $'Htmly admin password could not be hashed'
        exit 625728
    fi
    echo ';Password' > /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
    echo "password = $HTMLY_ADMIN_PASSWORD_HASH" >> /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
    echo 'encryption = password_hash' >> /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
    echo ';Role' >> /var/www/$HTMLY_DOMAIN_NAME/htdocs/config/users/$MY_USERNAME.ini
    echo 'role = admin' >> /var/www/$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 $HTMLY_DOMAIN_NAME
    echo 'server {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    listen 443 ssl;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "    root /var/www/$HTMLY_DOMAIN_NAME/htdocs;" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "    server_name $HTMLY_DOMAIN_NAME;" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    access_log off;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "    error_log /var/log/nginx/${HTMLY_DOMAIN_NAME}_error_ssl.log $WEBSERVER_LOG_LEVEL;" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    index index.php;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    charset utf-8;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    proxy_read_timeout 86400s;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    function_check nginx_ssl
    nginx_ssl $HTMLY_DOMAIN_NAME
    function_check nginx_disable_sniffing
    nginx_disable_sniffing $HTMLY_DOMAIN_NAME
    echo '    add_header Strict-Transport-Security "max-age=0;";' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # rewrite to front controller as default rule' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location / {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    function_check nginx_limits
    nginx_limits $HTMLY_DOMAIN_NAME
    echo '        rewrite ^/(.*) /index.php?q=$uri&$args last;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "    # make sure webfinger and other well known services aren't blocked" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # by denying dot files and rewrite request to the front controller' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ^~ /.well-known/ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        allow all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # statically serve these file types when possible' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # otherwise fall back to front controller' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # allow browser to cache them' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # added .htm for advanced source code editor library' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        expires 30d;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        try_files $uri /index.php?q=$uri&$args;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # block these file types' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~* \.(tpl|md|tgz|log|out)$ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        deny all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # or a unix socket' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~* \.php$ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # Zero-day exploit defense.' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # http://forum.nginx.org/read.php?2,88845,page=3' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "        # Won't work properly (404 error) if the file is not stored on this" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "        # server, which is entirely possible with php-fpm/php-fcgi." >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "        # another machine. And then cross your fingers that you won't get hacked." >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        try_files $uri $uri/ /index.php;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # With php5-cgi alone:' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # fastcgi_pass 127.0.0.1:9000;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # With php5-fpm:' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        fastcgi_pass unix:/var/run/php5-fpm.sock;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        include fastcgi_params;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        fastcgi_index index.php;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # deny access to all dot files' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~ /\. {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        deny all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    #deny access to store' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~ /store {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        deny all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~ /(data|conf|bin|inc)/ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '      deny all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~ /\.ht {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '      deny  all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '}' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
}

function install_htmly_website_onion {
    echo 'server {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "    listen 127.0.0.1:${HTMLY_ONION_PORT} default_server;" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "    root /var/www/$HTMLY_DOMAIN_NAME/htdocs;" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "    server_name $HTMLY_DOMAIN_NAME;" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    access_log off;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "    error_log /var/log/nginx/${HTMLY_DOMAIN_NAME}_error_ssl.log $WEBSERVER_LOG_LEVEL;" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    index index.php;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    charset utf-8;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    proxy_read_timeout 86400s;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    function_check nginx_disable_sniffing
    nginx_disable_sniffing $HTMLY_DOMAIN_NAME
    echo '    add_header Strict-Transport-Security "max-age=0;";' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # rewrite to front controller as default rule' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location / {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    function_check nginx_limits
    nginx_limits $HTMLY_DOMAIN_NAME
    echo '        rewrite ^/(.*) /index.php?q=$uri&$args last;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "    # make sure webfinger and other well known services aren't blocked" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # by denying dot files and rewrite request to the front controller' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ^~ /.well-known/ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        allow all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # statically serve these file types when possible' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # otherwise fall back to front controller' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # allow browser to cache them' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # added .htm for advanced source code editor library' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        expires 30d;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        try_files $uri /index.php?q=$uri&$args;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # block these file types' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~* \.(tpl|md|tgz|log|out)$ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        deny all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # or a unix socket' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~* \.php$ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    function_check nginx_limits
    nginx_limits $HTMLY_DOMAIN_NAME
    echo '        # Zero-day exploit defense.' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # http://forum.nginx.org/read.php?2,88845,page=3' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "        # Won't work properly (404 error) if the file is not stored on this" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "        # server, which is entirely possible with php-fpm/php-fcgi." >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on" >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo "        # another machine. And then cross your fingers that you won't get hacked." >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        try_files $uri $uri/ /index.php;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # With php5-cgi alone:' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # fastcgi_pass 127.0.0.1:9000;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        # With php5-fpm:' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        fastcgi_pass unix:/var/run/php5-fpm.sock;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        include fastcgi_params;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        fastcgi_index index.php;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    # deny access to all dot files' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~ /\. {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        deny all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    #deny access to store' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~ /store {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '        deny all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~ /(data|conf|bin|inc)/ {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '      deny all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    location ~ /\.ht {' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '      deny  all;' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    echo '    }' >> /etc/nginx/sites-available/$HTMLY_DOMAIN_NAME
    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
    git_clone $HTMLY_REPO htdocs
    cd htdocs
    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

    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
    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

    HTMLY_ONION_HOSTNAME=$(add_onion_service htmly 80 ${HTMLY_ONION_PORT})

    function_check nginx_ensite
    nginx_ensite $HTMLY_DOMAIN_NAME

    systemctl restart php5-fpm
    systemctl restart nginx

    if ! grep -q "Htmly onion domain" /home/$MY_USERNAME/README; then
        echo $"Htmly onion domain: ${HTMLY_ONION_HOSTNAME}" >> /home/$MY_USERNAME/README
        echo $"Log into your htmly at https://${HTMLY_ONION_HOSTNAME}/login" >> /home/$MY_USERNAME/README
        echo '' >> /home/$MY_USERNAME/README
        chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
        chmod 600 /home/$MY_USERNAME/README
    fi

    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