"use strict"; // Common Util for frontend and backend // // DOT NOT MODIFY util.js! // Need to run "tsc" to compile if there are any changes. // // Backend uses the compiled file util.js // Frontend uses util.ts Object.defineProperty(exports, "__esModule", { value: true }); exports.getMonitorRelativeURL = exports.genSecret = exports.getCryptoRandomInt = exports.getRandomInt = exports.getRandomArbitrary = exports.TimeLogger = exports.polyfill = exports.log = exports.debug = exports.ucfirst = exports.sleep = exports.flipStatus = exports.STATUS_PAGE_PARTIAL_DOWN = exports.STATUS_PAGE_ALL_UP = exports.STATUS_PAGE_ALL_DOWN = exports.PENDING = exports.UP = exports.DOWN = exports.appName = exports.isDev = void 0; const _dayjs = require("dayjs"); const dayjs = _dayjs; exports.isDev = process.env.NODE_ENV === "development"; exports.appName = "Uptime Kuma"; exports.DOWN = 0; exports.UP = 1; exports.PENDING = 2; exports.STATUS_PAGE_ALL_DOWN = 0; exports.STATUS_PAGE_ALL_UP = 1; exports.STATUS_PAGE_PARTIAL_DOWN = 2; /** Flip the status of s */ function flipStatus(s) { if (s === exports.UP) { return exports.DOWN; } if (s === exports.DOWN) { return exports.UP; } return s; } exports.flipStatus = flipStatus; /** * Delays for specified number of seconds * @param ms Number of milliseconds to sleep for */ function sleep(ms) { return new Promise(resolve => setTimeout(resolve, ms)); } exports.sleep = sleep; /** * PHP's ucfirst * @param str */ function ucfirst(str) { if (!str) { return str; } const firstLetter = str.substr(0, 1); return firstLetter.toUpperCase() + str.substr(1); } exports.ucfirst = ucfirst; /** * @deprecated Use log.debug * @since https://github.com/louislam/uptime-kuma/pull/910 * @param msg */ function debug(msg) { exports.log.log("", msg, "debug"); } exports.debug = debug; class Logger { constructor() { /** * UPTIME_KUMA_HIDE_LOG=debug_monitor,info_monitor * * Example: * [ * "debug_monitor", // Hide all logs that level is debug and the module is monitor * "info_monitor", * ] */ this.hideLog = { info: [], warn: [], error: [], debug: [], }; if (typeof process !== "undefined" && process.env.UPTIME_KUMA_HIDE_LOG) { let list = process.env.UPTIME_KUMA_HIDE_LOG.split(",").map(v => v.toLowerCase()); for (let pair of list) { // split first "_" only let values = pair.split(/_(.*)/s); if (values.length >= 2) { this.hideLog[values[0]].push(values[1]); } } this.debug("server", "UPTIME_KUMA_HIDE_LOG is set"); this.debug("server", this.hideLog); } } /** * Write a message to the log * @param module The module the log comes from * @param msg Message to write * @param level Log level. One of INFO, WARN, ERROR, DEBUG or can be customized. */ log(module, msg, level) { if (this.hideLog[level] && this.hideLog[level].includes(module)) { return; } module = module.toUpperCase(); level = level.toUpperCase(); const now = new Date().toISOString(); const formattedMessage = (typeof msg === "string") ? `${now} [${module}] ${level}: ${msg}` : msg; if (level === "INFO") { console.info(formattedMessage); } else if (level === "WARN") { console.warn(formattedMessage); } else if (level === "ERROR") { console.error(formattedMessage); } else if (level === "DEBUG") { if (exports.isDev) { console.log(formattedMessage); } } else { console.log(formattedMessage); } } /** * Log an INFO message * @param module Module log comes from * @param msg Message to write */ info(module, msg) { this.log(module, msg, "info"); } /** * Log a WARN message * @param module Module log comes from * @param msg Message to write */ warn(module, msg) { this.log(module, msg, "warn"); } /** * Log an ERROR message * @param module Module log comes from * @param msg Message to write */ error(module, msg) { this.log(module, msg, "error"); } /** * Log a DEBUG message * @param module Module log comes from * @param msg Message to write */ debug(module, msg) { this.log(module, msg, "debug"); } /** * Log an exeption as an ERROR * @param module Module log comes from * @param exception The exeption to include * @param msg The message to write */ exception(module, exception, msg) { let finalMessage = exception; if (msg) { finalMessage = `${msg}: ${exception}`; } this.log(module, finalMessage, "error"); } } exports.log = new Logger(); /** * String.prototype.replaceAll() polyfill * https://gomakethings.com/how-to-replace-a-section-of-a-string-with-another-one-with-vanilla-js/ * @author Chris Ferdinandi * @license MIT */ function polyfill() { if (!String.prototype.replaceAll) { String.prototype.replaceAll = function (str, newStr) { // If a regex pattern if (Object.prototype.toString.call(str).toLowerCase() === "[object regexp]") { return this.replace(str, newStr); } // If a string return this.replace(new RegExp(str, "g"), newStr); }; } } exports.polyfill = polyfill; class TimeLogger { constructor() { this.startTime = dayjs().valueOf(); } /** * Output time since start of monitor * @param name Name of monitor */ print(name) { if (exports.isDev && process.env.TIMELOGGER === "1") { console.log(name + ": " + (dayjs().valueOf() - this.startTime) + "ms"); } } } exports.TimeLogger = TimeLogger; /** * Returns a random number between min (inclusive) and max (exclusive) */ function getRandomArbitrary(min, max) { return Math.random() * (max - min) + min; } exports.getRandomArbitrary = getRandomArbitrary; /** * From: https://stackoverflow.com/questions/1527803/generating-random-whole-numbers-in-javascript-in-a-specific-range * * Returns a random integer between min (inclusive) and max (inclusive). * The value is no lower than min (or the next integer greater than min * if min isn't an integer) and no greater than max (or the next integer * lower than max if max isn't an integer). * Using Math.round() will give you a non-uniform distribution! */ function getRandomInt(min, max) { min = Math.ceil(min); max = Math.floor(max); return Math.floor(Math.random() * (max - min + 1)) + min; } exports.getRandomInt = getRandomInt; /** * Returns either the NodeJS crypto.randomBytes() function or its * browser equivalent implemented via window.crypto.getRandomValues() */ let getRandomBytes = ((typeof window !== 'undefined' && window.crypto) // Browsers ? function () { return (numBytes) => { let randomBytes = new Uint8Array(numBytes); for (let i = 0; i < numBytes; i += 65536) { window.crypto.getRandomValues(randomBytes.subarray(i, i + Math.min(numBytes - i, 65536))); } return randomBytes; }; } // Node : function () { return require("crypto").randomBytes; })(); /** * Get a random integer suitable for use in cryptography between upper * and lower bounds. * @param min Minimum value of integer * @param max Maximum value of integer * @returns Cryptographically suitable random integer */ function getCryptoRandomInt(min, max) { // synchronous version of: https://github.com/joepie91/node-random-number-csprng const range = max - min; if (range >= Math.pow(2, 32)) console.log("Warning! Range is too large."); let tmpRange = range; let bitsNeeded = 0; let bytesNeeded = 0; let mask = 1; while (tmpRange > 0) { if (bitsNeeded % 8 === 0) bytesNeeded += 1; bitsNeeded += 1; mask = mask << 1 | 1; tmpRange = tmpRange >>> 1; } const randomBytes = getRandomBytes(bytesNeeded); let randomValue = 0; for (let i = 0; i < bytesNeeded; i++) { randomValue |= randomBytes[i] << 8 * i; } randomValue = randomValue & mask; if (randomValue <= range) { return min + randomValue; } else { return getCryptoRandomInt(min, max); } } exports.getCryptoRandomInt = getCryptoRandomInt; /** * Generate a random alphanumeric string of fixed length * @param length Length of string to generate * @returns string */ function genSecret(length = 64) { let secret = ""; const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; const charsLength = chars.length; for (let i = 0; i < length; i++) { secret += chars.charAt(getCryptoRandomInt(0, charsLength - 1)); } return secret; } exports.genSecret = genSecret; /** * Get the path of a monitor * @param id ID of monitor * @returns Formatted relative path */ function getMonitorRelativeURL(id) { return "/dashboard/" + id; } exports.getMonitorRelativeURL = getMonitorRelativeURL;