mirror of
https://github.com/louislam/uptime-kuma.git
synced 2024-10-01 01:25:45 -04:00
248 lines
7.8 KiB
JavaScript
248 lines
7.8 KiB
JavaScript
"use strict";
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// Common Util for frontend and backend
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//
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// DOT NOT MODIFY util.js!
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// Need to run "tsc" to compile if there are any changes.
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//
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// Backend uses the compiled file util.js
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// Frontend uses util.ts
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Object.defineProperty(exports, "__esModule", { value: true });
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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;
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const _dayjs = require("dayjs");
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const dayjs = _dayjs;
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exports.isDev = process.env.NODE_ENV === "development";
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exports.appName = "Uptime Kuma";
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exports.DOWN = 0;
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exports.UP = 1;
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exports.PENDING = 2;
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exports.STATUS_PAGE_ALL_DOWN = 0;
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exports.STATUS_PAGE_ALL_UP = 1;
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exports.STATUS_PAGE_PARTIAL_DOWN = 2;
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function flipStatus(s) {
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if (s === exports.UP) {
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return exports.DOWN;
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}
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if (s === exports.DOWN) {
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return exports.UP;
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}
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return s;
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}
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exports.flipStatus = flipStatus;
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function sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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exports.sleep = sleep;
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/**
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* PHP's ucfirst
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* @param str
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*/
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function ucfirst(str) {
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if (!str) {
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return str;
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}
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const firstLetter = str.substr(0, 1);
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return firstLetter.toUpperCase() + str.substr(1);
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}
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exports.ucfirst = ucfirst;
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/**
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* @deprecated Use log.debug
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* @since https://github.com/louislam/uptime-kuma/pull/910
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* @param msg
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*/
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function debug(msg) {
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exports.log.log("", msg, "debug");
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}
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exports.debug = debug;
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class Logger {
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constructor() {
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/**
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* UPTIME_KUMA_HIDE_LOG=debug_monitor,info_monitor
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*
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* Example:
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* [
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* "debug_monitor", // Hide all logs that level is debug and the module is monitor
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* "info_monitor",
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* ]
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*/
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this.hideLog = {
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info: [],
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warn: [],
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error: [],
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debug: [],
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};
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if (typeof process !== "undefined" && process.env.UPTIME_KUMA_HIDE_LOG) {
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let list = process.env.UPTIME_KUMA_HIDE_LOG.split(",").map(v => v.toLowerCase());
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for (let pair of list) {
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// split first "_" only
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let values = pair.split(/_(.*)/s);
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if (values.length >= 2) {
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this.hideLog[values[0]].push(values[1]);
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}
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}
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this.debug("server", "UPTIME_KUMA_HIDE_LOG is set");
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this.debug("server", this.hideLog);
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}
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}
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log(module, msg, level) {
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if (this.hideLog[level] && this.hideLog[level].includes(module)) {
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return;
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}
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module = module.toUpperCase();
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level = level.toUpperCase();
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const now = new Date().toISOString();
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const formattedMessage = (typeof msg === "string") ? `${now} [${module}] ${level}: ${msg}` : msg;
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if (level === "INFO") {
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console.info(formattedMessage);
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}
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else if (level === "WARN") {
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console.warn(formattedMessage);
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}
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else if (level === "ERROR") {
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console.error(formattedMessage);
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}
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else if (level === "DEBUG") {
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if (exports.isDev) {
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console.log(formattedMessage);
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}
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}
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else {
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console.log(formattedMessage);
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}
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}
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info(module, msg) {
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this.log(module, msg, "info");
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}
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warn(module, msg) {
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this.log(module, msg, "warn");
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}
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error(module, msg) {
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this.log(module, msg, "error");
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}
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debug(module, msg) {
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this.log(module, msg, "debug");
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}
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exception(module, exception, msg) {
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let finalMessage = exception;
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if (msg) {
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finalMessage = `${msg}: ${exception}`;
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}
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this.log(module, finalMessage, "error");
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}
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}
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exports.log = new Logger();
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function polyfill() {
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/**
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* String.prototype.replaceAll() polyfill
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* https://gomakethings.com/how-to-replace-a-section-of-a-string-with-another-one-with-vanilla-js/
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* @author Chris Ferdinandi
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* @license MIT
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*/
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if (!String.prototype.replaceAll) {
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String.prototype.replaceAll = function (str, newStr) {
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// If a regex pattern
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if (Object.prototype.toString.call(str).toLowerCase() === "[object regexp]") {
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return this.replace(str, newStr);
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}
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// If a string
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return this.replace(new RegExp(str, "g"), newStr);
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};
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}
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}
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exports.polyfill = polyfill;
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class TimeLogger {
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constructor() {
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this.startTime = dayjs().valueOf();
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}
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print(name) {
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if (exports.isDev && process.env.TIMELOGGER === "1") {
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console.log(name + ": " + (dayjs().valueOf() - this.startTime) + "ms");
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}
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}
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}
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exports.TimeLogger = TimeLogger;
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/**
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* Returns a random number between min (inclusive) and max (exclusive)
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*/
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function getRandomArbitrary(min, max) {
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return Math.random() * (max - min) + min;
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}
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exports.getRandomArbitrary = getRandomArbitrary;
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/**
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* From: https://stackoverflow.com/questions/1527803/generating-random-whole-numbers-in-javascript-in-a-specific-range
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*
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* Returns a random integer between min (inclusive) and max (inclusive).
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* The value is no lower than min (or the next integer greater than min
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* if min isn't an integer) and no greater than max (or the next integer
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* lower than max if max isn't an integer).
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* Using Math.round() will give you a non-uniform distribution!
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*/
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function getRandomInt(min, max) {
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min = Math.ceil(min);
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max = Math.floor(max);
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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exports.getRandomInt = getRandomInt;
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/**
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* Returns either the NodeJS crypto.randomBytes() function or its
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* browser equivalent implemented via window.crypto.getRandomValues()
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*/
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let getRandomBytes = ((typeof window !== 'undefined' && window.crypto)
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// Browsers
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? function () {
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return (numBytes) => {
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let randomBytes = new Uint8Array(numBytes);
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for (let i = 0; i < numBytes; i += 65536) {
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window.crypto.getRandomValues(randomBytes.subarray(i, i + Math.min(numBytes - i, 65536)));
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}
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return randomBytes;
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};
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}
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// Node
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: function () {
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return require("crypto").randomBytes;
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})();
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function getCryptoRandomInt(min, max) {
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// synchronous version of: https://github.com/joepie91/node-random-number-csprng
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const range = max - min;
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if (range >= Math.pow(2, 32))
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console.log("Warning! Range is too large.");
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let tmpRange = range;
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let bitsNeeded = 0;
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let bytesNeeded = 0;
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let mask = 1;
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while (tmpRange > 0) {
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if (bitsNeeded % 8 === 0)
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bytesNeeded += 1;
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bitsNeeded += 1;
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mask = mask << 1 | 1;
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tmpRange = tmpRange >>> 1;
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}
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const randomBytes = getRandomBytes(bytesNeeded);
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let randomValue = 0;
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for (let i = 0; i < bytesNeeded; i++) {
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randomValue |= randomBytes[i] << 8 * i;
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}
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randomValue = randomValue & mask;
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if (randomValue <= range) {
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return min + randomValue;
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}
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else {
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return getCryptoRandomInt(min, max);
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}
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}
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exports.getCryptoRandomInt = getCryptoRandomInt;
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function genSecret(length = 64) {
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let secret = "";
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const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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const charsLength = chars.length;
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for (let i = 0; i < length; i++) {
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secret += chars.charAt(getCryptoRandomInt(0, charsLength - 1));
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}
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return secret;
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}
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exports.genSecret = genSecret;
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function getMonitorRelativeURL(id) {
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return "/dashboard/" + id;
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}
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exports.getMonitorRelativeURL = getMonitorRelativeURL;
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