wbo1/server/configuration.js

const path = require("path");
const app_root = path.dirname(__dirname); // Parent of the directory where this file is

module.exports = {
    /** Port on which the application will listen */
    PORT: parseInt(process.env['PORT']) || 8080,

    /** Host on which the application will listen (defaults to undefined,
        hence listen on all interfaces on all IP addresses, but could also be
        '127.0.0.1' **/
    HOST: process.env['HOST'] || undefined,

    /** Path to the directory where boards will be saved by default */
    HISTORY_DIR: process.env['WBO_HISTORY_DIR'] || path.join(app_root, "server-data"),

    /** Folder from which static files will be served */
    WEBROOT: process.env['WBO_WEBROOT'] || path.join(app_root, "client-data"),

    /** Number of milliseconds of inactivity after which the board should be saved to a file */
    SAVE_INTERVAL: parseInt(process.env['WBO_SAVE_INTERVAL']) || 1000 * 2, // Save after 2 seconds of inactivity

    /** Periodicity at which the board should be saved when it is being actively used (milliseconds)  */
    MAX_SAVE_DELAY: parseInt(process.env['WBO_MAX_SAVE_DELAY']) || 1000 * 60, // Save after 60 seconds even if there is still activity

    /** Maximal number of items to keep in the board. When there are more items, the oldest ones are deleted */
    MAX_ITEM_COUNT: parseInt(process.env['WBO_MAX_ITEM_COUNT']) || 32768,

    /** Max number of sub-items in an item. This prevents flooding */
    MAX_CHILDREN: parseInt(process.env['WBO_MAX_CHILDREN']) || 192,

    /** Maximum value for any x or y on the board */
    MAX_BOARD_SIZE: parseInt(process.env['WBO_MAX_BOARD_SIZE']) || 65536,

    /** Maximum messages per user over the given time period before banning them  */
    MAX_EMIT_COUNT: parseInt(process.env['WBO_MAX_EMIT_COUNT']) || 192,

    /** Duration after which the emit count is reset in miliseconds */
    MAX_EMIT_COUNT_PERIOD: parseInt(process.env['WBO_MAX_EMIT_COUNT_PERIOD']) || 4096,

    /** Blocked Tools. A comma-separated list of tools that should not appear on boards. */
    BLOCKED_TOOLS: (process.env['WBO_BLOCKED_TOOLS'] || "").split(','),
};