#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# Friendica application
#
# License
# =======
#
# Copyright (C) 2017 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 social'

IN_DEFAULT_INSTALL=0
SHOW_ON_ABOUT=1

FRIENDICA_DOMAIN_NAME=
FRIENDICA_CODE=
FRIENDICA_ONION_PORT=8114
FRIENDICA_REPO="https://github.com/friendica/friendica"
FRIENDICA_ADDONS_REPO="https://github.com/friendica/friendica-addons"
FRIENDICA_ADMIN_PASSWORD=
FRIENDICA_COMMIT='b5a42c5b31fae5315bacd37769eba20ab2345aaa'
FRIENDICA_ADDONS_COMMIT='7cb9dbdda7f227462895c07be3c968405561d40e'

friendica_variables=(ONION_ONLY
                     FRIENDICA_DOMAIN_NAME
                     FRIENDICA_CODE
                     DDNS_PROVIDER
                     MY_USERNAME
                     FRIENDICA_REPO
                     FRIENDICA_ADDONS_REPO)

function logging_on_friendica {
    echo -n ''
}

function logging_off_friendica {
    echo -n ''
}

function remove_user_friendica {
    remove_username="$1"
    ${PROJECT_NAME}-pass -u $remove_username --rmapp friendica
}

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

    new_username="$1"
    new_user_password="$2"
    ${PROJECT_NAME}-pass -u $new_username -a friendica -p "$new_user_password"
    echo '0'
}

function friendica_renew_cert {
    dialog --title $"Renew SSL certificate" \
           --backtitle $"Freedombone Control Panel" \
           --yesno $"\nThis will renew a letsencrypt certificate. Select 'yes' to continue" 16 60
    sel=$?
    case $sel in
        1) return;;
        255) return;;
    esac
    FRIENDICA_DOMAIN_NAME=$(get_completion_param "friendica domain")
    if [ ! -d /var/www/$FRIENDICA_DOMAIN_NAME/htdocs ]; then
        dialog --title $"Renew SSL certificate" \
               --msgbox $"Friendica install directory not found" 6 40
        return
    fi
    ${PROJECT_NAME}-renew-cert -h $FRIENDICA_DOMAIN_NAME -p 'letsencrypt'
    if [ ! "$?" = "0" ]; then
        any_key
    else
        dialog --title $"Renew SSL certificate" \
               --msgbox $"Friendica certificate has been renewed" 6 40
    fi
}

function friendica_channel_directory_server {
    if ! grep -q "friendica domain" $COMPLETION_FILE; then
        dialog --title $"Friendica channel directory server" \
               --msgbox $"Friendica is not installed on this system" 6 40
        return
    fi
    FRIENDICA_DOMAIN_NAME=$(get_completion_param "friendica domain")
    if [ ! -d /var/www/$FRIENDICA_DOMAIN_NAME/htdocs ]; then
        dialog --title $"Friendica channel directory server" \
               --msgbox $"Friendica install directory not found" 6 40
        return
    fi

    CURR_DIR_SERVER=$(cat /var/www/$FRIENDICA_DOMAIN_NAME/htdocs/.htconfig.php | grep directory | awk -F "'" '{print $6}')

    data=$(tempfile 2>/dev/null)
    trap "rm -f $data" 0 1 2 5 15
    dialog --title $"Friendica channel directory server" \
           --backtitle $"Freedombone Control Panel" \
           --inputbox $"When you click on 'channel directory' this is where Friendica will obtain its list from" 8 60 "$CURR_DIR_SERVER" 2>$data
    sel=$?
    case $sel in
        0)
            friendica_domain_server=$(<$data)
            if [[ "$friendica_domain_server" != *"."* ]]; then
                return
            fi
            if [[ "$friendica_domain_server" != "http"* ]]; then
                dialog --title $"Friendica channel directory server" \
                       --msgbox $"Invalid domain - include the https://" 6 40
                return
            fi
            sed -i "s|\['directory'\] = .*|\['directory'\] = \'$friendica_domain_server\';|g" /var/www/$FRIENDICA_DOMAIN_NAME/htdocs/.htconfig.php
            dialog --title $"Friendica channel directory server" \
                   --msgbox $"Domain channel directory server changed to $friendica_domain_server" 6 40
            ;;
    esac
}

function friendica_close_registrations {
    sed -i "s|REGISTER_OPEN|REGISTER_CLOSED|g" /var/www/$FRIENDICA_DOMAIN_NAME/htdocs/.htconfig.php
    dialog --title $"Friendica Account Registrations" \
           --msgbox $"New registrations are now closed" 6 40
}

function friendica_allow_registrations {
    sed -i "s|REGISTER_CLOSED|REGISTER_OPEN|g" /var/www/$FRIENDICA_DOMAIN_NAME/htdocs/.htconfig.php
    dialog --title $"Friendica Account Registrations" \
           --msgbox $"New registrations are permitted" 6 40
}

function configure_interactive_friendica {
    while true
    do
        data=$(tempfile 2>/dev/null)
        trap "rm -f $data" 0 1 2 5 15
        dialog --backtitle $"Freedombone Control Panel" \
               --title $"Friendica" \
               --radiolist $"Choose an operation:" 15 70 6 \
               1 $"Set channel directory server" off \
               2 $"Renew SSL certificate" off \
               3 $"Close new account registrations" off \
               4 $"Allow new account registrations" off \
               5 $"Back to main menu" on 2> $data
        sel=$?
        case $sel in
            1) break;;
            255) break;;
        esac
        case $(cat $data) in
            1) friendica_channel_directory_server;;
            2) friendica_renew_cert;;
            3) friendica_close_registrations;;
            4) friendica_allow_registrations;;
            5) break;;
        esac
    done
}

function install_interactive_friendica {
    if [[ $ONION_ONLY != "no" ]]; then
        return
    fi

    function_check interactive_site_details
    interactive_site_details friendica

    APP_INSTALLED=1
}

function change_password_friendica {
    FRIENDICA_USERNAME="$1"
    FRIENDICA_PASSWORD="$2"
    if [ ${#FRIENDICA_PASSWORD} -lt 8 ]; then
        echo $'Friendica password is too short'
        return
    fi
    # TODO: This doesn't actually change the password
    #${PROJECT_NAME}-pass -u $FRIENDICA_USERNAME -a friendica -p "$FRIENDICA_PASSWORD"
}

function friendica_create_database {
    if [ -f $IMAGE_PASSWORD_FILE ]; then
        FRIENDICA_ADMIN_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
    fi
    if [ ! $FRIENDICA_ADMIN_PASSWORD ]; then
        FRIENDICA_ADMIN_PASSWORD="$(create_password ${MINIMUM_PASSWORD_LENGTH})"
    fi
    ${PROJECT_NAME}-pass -u $MY_USERNAME -a friendica -p "$FRIENDICA_ADMIN_PASSWORD"
    if [ ! $FRIENDICA_ADMIN_PASSWORD ]; then
        return
    fi

    function_check create_database
    create_database friendica "$FRIENDICA_ADMIN_PASSWORD"
}

function reconfigure_friendica {
    echo -n ''
}

function upgrade_friendica {
    CURR_FRIENDICA_COMMIT=$(get_completion_param "friendica commit")
    if [[ "$CURR_FRIENDICA_COMMIT" == "$FRIENDICA_COMMIT" ]]; then
        return
    fi

    FRIENDICA_PATH=/var/www/$FRIENDICA_DOMAIN_NAME/htdocs

    function_check set_repo_commit
    set_repo_commit $FRIENDICA_PATH "friendica commit" "$FRIENDICA_COMMIT" $FRIENDICA_REPO
    set_repo_commit $FRIENDICA_PATH/addon "friendica addons commit" "$FRIENDICA_ADDONS_COMMIT" $FRIENDICA_ADDONS_REPO
}

function backup_local_friendica {
    friendica_path=/var/www/${FRIENDICA_DOMAIN_NAME}/htdocs
    if [ -d $friendica_path ]; then
        function_check backup_database_to_usb
        backup_database_to_usb friendica

        backup_directory_to_usb $friendica_path friendica
    fi
}

function restore_local_friendica {
    temp_restore_dir=/root/tempfriendica
    friendica_dir=/var/www/${FRIENDICA_DOMAIN_NAME}/htdocs

    function_check friendica_create_database
    friendica_create_database

    restore_database friendica ${FRIENDICA_DOMAIN_NAME}
    if [ -d $USB_MOUNT/backup/friendica ]; then
        if [ ! -d $friendica_dir/store/[data]/smarty3 ]; then
            mkdir -p $friendica_dir/store/[data]/smarty3
        fi
        chmod 1777 $friendica_dir/store/[data]/smarty3
        chown -R www-data:www-data $friendica_dir/*
        if [ -d $temp_restore_dir ]; then
            rm -rf $temp_restore_dir
        fi

        MARIADB_PASSWORD=$(${PROJECT_NAME}-pass -u root -a mariadb)
        FRIENDICA_PATH=/var/www/$FRIENDICA_DOMAIN_NAME/htdocs
        sed -i "s|\$db_pass =.*|\$db_pass = '${MARIADB_PASSWORD}';|g" $FRIENDICA_PATH/.htconfig.php
        MARIADB_PASSWORD=
    fi
}

function backup_remote_friendica {
    temp_backup_dir=/var/www/${FRIENDICA_DOMAIN_NAME}/htdocs
    if [ -d $temp_backup_dir ]; then
        suspend_site ${FRIENDICA_DOMAIN_NAME}
        backup_database_to_friend friendica
        echo "Backing up Friendica installation"
        backup_directory_to_friend $temp_backup_dir friendica
        restart_site
        echo "Backup of Friendica complete"
    else
        echo $"Friendica domain specified but not found in /var/www/${FRIENDICA_DOMAIN_NAME}"
        exit 2578
    fi
}

function restore_remote_friendica {
    function_check restore_database_from_friend

    function_check friendica_create_database
    friendica_create_database

    restore_database_from_friend friendica ${FRIENDICA_DOMAIN_NAME}
    if [ -d $SERVER_DIRECTORY/backup/friendica ]; then
        if [ ! -d /var/www/${FRIENDICA_DOMAIN_NAME}/htdocs/store/[data]/smarty3 ]; then
            mkdir -p /var/www/${FRIENDICA_DOMAIN_NAME}/htdocs/store/[data]/smarty3
        fi
        chmod 1777 /var/www/${FRIENDICA_DOMAIN_NAME}/htdocs/store/[data]/smarty3
        chown -R www-data:www-data /var/www/${FRIENDICA_DOMAIN_NAME}/htdocs/*
    fi
    if [ -d /root/tempfriendica ]; then
        rm -rf /root/tempfriendica
    fi

    MARIADB_PASSWORD=$(${PROJECT_NAME}-pass -u root -a mariadb)
    FRIENDICA_PATH=/var/www/$FRIENDICA_DOMAIN_NAME/htdocs
    sed -i "s|\$db_pass =.*|\$db_pass = '${MARIADB_PASSWORD}';|g" $FRIENDICA_PATH/.htconfig.php
    MARIADB_PASSWORD=
}

function remove_friendica {
    if [ ${#FRIENDICA_DOMAIN_NAME} -eq 0 ]; then
        return
    fi
    nginx_dissite $FRIENDICA_DOMAIN_NAME
    remove_certs ${FRIENDICA_DOMAIN_NAME}
    if [ -d /var/www/$FRIENDICA_DOMAIN_NAME ]; then
        rm -rf /var/www/$FRIENDICA_DOMAIN_NAME
    fi
    if [ -f /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME ]; then
        rm /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
    fi
    function_check drop_database
    drop_database friendica
    function_check remove_onion_service
    remove_onion_service friendica ${FRIENDICA_ONION_PORT}
    sed -i '/friendica/d' $COMPLETION_FILE
    sed -i '/poller.php/d' /etc/crontab

    function_check remove_ddns_domain
    remove_ddns_domain $FRIENDICA_DOMAIN_NAME
}

function install_friendica {
    if [ ! $FRIENDICA_DOMAIN_NAME ]; then
        return
    fi

    if [[ $ONION_ONLY != "no" ]]; then
        return
    fi

    FRIENDICA_PATH=/var/www/$FRIENDICA_DOMAIN_NAME/htdocs

    function_check install_mariadb
    install_mariadb

    function_check get_mariadb_password
    get_mariadb_password

    function_check repair_databases_script
    repair_databases_script

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

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

    if [ ! -f $FRIENDICA_PATH/index.php ]; then
        cd $INSTALL_DIR

        if [ -d /repos/friendica ]; then
            mkdir friendica
            cp -r -p /repos/friendica/. friendica
            cd friendica
            git pull
        else
            function_check git_clone
            git_clone $FRIENDICA_REPO friendica
        fi

        git checkout $FRIENDICA_COMMIT -b $FRIENDICA_COMMIT
        set_completion_param "friendica commit" "$FRIENDICA_COMMIT"

        rm -rf $FRIENDICA_PATH
        mv friendica $FRIENDICA_PATH

        git_clone $FRIENDICA_ADDONS_REPO $FRIENDICA_PATH/addon
        cd $FRIENDICA_PATH/addon
        git checkout $FRIENDICA_ADDONS_COMMIT -b $FRIENDICA_ADDONS_COMMIT
        set_completion_param "friendica addons commit" "$FRIENDICA_ADDONS_COMMIT"

        chown -R www-data:www-data $FRIENDICA_PATH
    fi

    FRIENDICA_ONION_HOSTNAME=
    if [[ $ONION_ONLY != "no" ]]; then
        FRIENDICA_ONION_HOSTNAME=$(add_onion_service friendica 80 ${FRIENDICA_ONION_PORT})
    fi

    friendica_create_database

    if ! grep -q "$FRIENDICA_PATH" /etc/crontab; then
        echo "12,22,32,42,52 * *   *   *   root cd $FRIENDICA_PATH; /usr/bin/timeout 500 /usr/bin/php include/poller.php" >> /etc/crontab
    fi

    function_check add_ddns_domain
    add_ddns_domain $FRIENDICA_DOMAIN_NAME

    if [[ $ONION_ONLY == "no" ]]; then
        function_check nginx_http_redirect
        nginx_http_redirect $FRIENDICA_DOMAIN_NAME
        echo 'server {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    listen 443 ssl;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    listen [::]:443 ssl;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "    root $FRIENDICA_PATH;" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "    server_name $FRIENDICA_DOMAIN_NAME;" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "    error_log /dev/null;" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    index index.php;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    charset utf-8;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    access_log /dev/null;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        function_check nginx_ssl
        nginx_ssl $FRIENDICA_DOMAIN_NAME
        function_check nginx_disable_sniffing
        nginx_disable_sniffing $FRIENDICA_DOMAIN_NAME
        echo '    add_header Strict-Transport-Security max-age=15768000;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # rewrite to front controller as default rule' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location / {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        function_check nginx_limits
        nginx_limits $FRIENDICA_DOMAIN_NAME
        echo '        rewrite ^/(.*) /index.php?q=$uri&$args last;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        nginx_keybase ${FRIENDICA_DOMAIN_NAME}
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # statically serve these file types when possible' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # otherwise fall back to front controller' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # allow browser to cache them' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # added .htm for advanced source code editor library' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        expires 30d;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        try_files $uri /index.php?q=$uri&$args;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # block these file types' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~* \.(tpl|md|tgz|log|out)$ {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        deny all;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # or a unix socket' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~* \.php$ {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        function_check nginx_limits
        nginx_limits $FRIENDICA_DOMAIN_NAME
        echo '        # Zero-day exploit defense.' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # http://forum.nginx.org/read.php?2,88845,page=3' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "        # Won't work properly (404 error) if the file is not stored on this" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "        # server, which is entirely possible with php-fpm/php-fcgi." >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "        # another machine. And then cross your fingers that you won't get hacked." >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        try_files $uri $uri/ /index.php;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # With php-cgi alone:' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # fastcgi_pass 127.0.0.1:9000;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # With php-fpm:' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        include fastcgi_params;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_read_timeout 30;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_index index.php;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_read_timeout 300;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # deny access to all dot files' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~ /\. {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        deny all;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~ /\.ht {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '      deny  all;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '}' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
    else
        echo 'server {' > /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "    listen 127.0.0.1:${FRIENDICA_ONION_PORT} default_server;" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "    root $FRIENDICA_PATH;" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "    server_name $FRIENDICA_ONION_HOSTNAME;" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "    error_log /dev/null;" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    index index.php;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    charset utf-8;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    access_log /dev/null;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    add_header Strict-Transport-Security max-age=15768000;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # rewrite to front controller as default rule' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location / {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        nginx_limits $FRIENDICA_DOMAIN_NAME
        nginx_disable_sniffing $FRIENDICA_DOMAIN_NAME
        echo '        rewrite ^/(.*) /index.php?q=$uri&$args last;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        nginx_keybase ${FRIENDICA_DOMAIN_NAME}
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # statically serve these file types when possible' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # otherwise fall back to front controller' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # allow browser to cache them' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # added .htm for advanced source code editor library' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~* \.(jpg|jpeg|gif|png|ico|css|js|htm|html|ttf|woff|svg)$ {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        expires 30d;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        try_files $uri /index.php?q=$uri&$args;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # block these file types' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~* \.(tpl|md|tgz|log|out)$ {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        deny all;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # or a unix socket' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~* \.php$ {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        nginx_limits $FRIENDICA_DOMAIN_NAME
        nginx_disable_sniffing $FRIENDICA_DOMAIN_NAME
        echo '        # Zero-day exploit defense.' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # http://forum.nginx.org/read.php?2,88845,page=3' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "        # Won't work properly (404 error) if the file is not stored on this" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "        # server, which is entirely possible with php-fpm/php-fcgi." >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on" >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo "        # another machine. And then cross your fingers that you won't get hacked." >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        try_files $uri $uri/ /index.php;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # With php-cgi alone:' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # fastcgi_pass 127.0.0.1:9000;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        # With php-fpm:' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        include fastcgi_params;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_read_timeout 30;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_index index.php;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        fastcgi_read_timeout 300;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    # deny access to all dot files' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~ /\. {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '        deny all;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    location ~ /\.ht {' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '      deny  all;' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '    }' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
        echo '}' >> /etc/nginx/sites-available/$FRIENDICA_DOMAIN_NAME
    fi

    function_check configure_php
    configure_php

    function_check create_site_certificate
    create_site_certificate $FRIENDICA_DOMAIN_NAME 'yes'

    if [ ! -d $FRIENDICA_PATH/view/tpl/smarty3 ]; then
        mkdir $FRIENDICA_PATH/view/tpl/smarty3
    fi
    if [ ! -d "$FRIENDICA_PATH/store" ]; then
        mkdir "$FRIENDICA_PATH/store"
    fi
    if [ ! -d "$FRIENDICA_PATH/store/[data]" ]; then
        mkdir "$FRIENDICA_PATH/store/[data]"
    fi
    if [ ! -d "$FRIENDICA_PATH/store/[data]/smarty3" ]; then
        mkdir "$FRIENDICA_PATH/store/[data]/smarty3"
        chmod 1777 "$FRIENDICA_PATH/store/[data]/smarty3"
    fi
    chmod 1777 $FRIENDICA_PATH/view/tpl
    chown -R www-data:www-data "$FRIENDICA_PATH/store"
    chmod 1777 $FRIENDICA_PATH/view/tpl/smarty3

    # Ensure that the database gets backed up locally, if remote
    # backups are not being used
    function_check backup_databases_script_header
    backup_databases_script_header

    function_check backup_database_local
    backup_database_local friendica

    chown -R www-data:www-data $FRIENDICA_PATH

    function_check nginx_ensite
    nginx_ensite $FRIENDICA_DOMAIN_NAME

    # initialize the database
    if [ ! -f $FRIENDICA_PATH/database.sql ]; then
        echo $'No database schema found for friendica'
        exit 252782
    fi
    function_check initialise_database
    initialise_database friendica $FRIENDICA_PATH/database.sql

    # create the config file
    echo '<?php' > $FRIENDICA_PATH/.htconfig.php
    echo "\$db_host = 'localhost';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$db_user = 'root';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$db_pass = '${MARIADB_PASSWORD}';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$db_data = 'friendica';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$default_timezone = 'Europe/London';" >> $FRIENDICA_PATH/.htconfig.php
    if [[ $ONION_ONLY == 'no' ]]; then
        echo "\$a->config['system']['baseurl'] = 'https://${FRIENDICA_DOMAIN_NAME}';" >> $FRIENDICA_PATH/.htconfig.php
    else
        echo "\$a->config['system']['baseurl'] = 'http://${FRIENDICA_ONION_HOSTNAME}';" >> $FRIENDICA_PATH/.htconfig.php
    fi
    echo "\$a->config['sitename'] = \"Friendica\";" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['register_policy'] = REGISTER_OPEN;" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['register_text'] = '';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['admin_email'] = '${MY_EMAIL_ADDRESS}';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['system']['no_regfullname'] = true;" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['max_import_size'] = 200000;" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['system']['maximagesize'] = 800000;" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['php_path'] = '/usr/bin/php';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['system']['directory'] = 'http://dir.friendi.ca';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['system']['allowed_themes'] = 'quattro,vier,duepuntozero,smoothly';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['system']['theme'] = 'vier';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['system']['huburl'] = '[internal]';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['system']['language'] = 'en';" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['system']['rino_encrypt'] = 2;" >> $FRIENDICA_PATH/.htconfig.php
    echo "\$a->config['system']['allowed_link_protocols'] = array('mailto', 'cid');" >> $FRIENDICA_PATH/.htconfig.php
    chown www-data:www-data $FRIENDICA_PATH/.htconfig.php
    chmod 755 $FRIENDICA_PATH/.htconfig.php

    systemctl restart mariadb
    systemctl restart php7.0-fpm
    systemctl restart nginx
    systemctl restart cron

    ${PROJECT_NAME}-addemail -u $MY_USERNAME -e "noreply@$FRIENDICA_DOMAIN_NAME" -g friendica --public no

    set_completion_param "friendica domain" "${FRIENDICA_DOMAIN_NAME}"
    APP_INSTALLED=1
}

# NOTE: deliberately there is no "exit 0"