mirror of
https://github.com/louislam/uptime-kuma.git
synced 2024-12-28 23:19:44 -08:00
861 lines
24 KiB
JavaScript
861 lines
24 KiB
JavaScript
const tcpp = require("tcp-ping");
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const ping = require("@louislam/ping");
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const { R } = require("redbean-node");
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const { log, genSecret } = require("../src/util");
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const passwordHash = require("./password-hash");
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const { Resolver } = require("dns");
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const childProcess = require("child_process");
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const iconv = require("iconv-lite");
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const chardet = require("chardet");
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const mqtt = require("mqtt");
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const chroma = require("chroma-js");
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const { badgeConstants } = require("./config");
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const mssql = require("mssql");
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const { Client } = require("pg");
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const postgresConParse = require("pg-connection-string").parse;
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const mysql = require("mysql2");
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const { MongoClient } = require("mongodb");
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const { NtlmClient } = require("axios-ntlm");
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const { Settings } = require("./settings");
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const grpc = require("@grpc/grpc-js");
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const protojs = require("protobufjs");
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const radiusClient = require("node-radius-client");
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const redis = require("redis");
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const {
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dictionaries: {
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rfc2865: { file, attributes },
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},
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} = require("node-radius-utils");
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const dayjs = require("dayjs");
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const isWindows = process.platform === /^win/.test(process.platform);
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/**
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* Init or reset JWT secret
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* @returns {Promise<Bean>}
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*/
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exports.initJWTSecret = async () => {
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let jwtSecretBean = await R.findOne("setting", " `key` = ? ", [
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"jwtSecret",
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]);
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if (!jwtSecretBean) {
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jwtSecretBean = R.dispense("setting");
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jwtSecretBean.key = "jwtSecret";
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}
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jwtSecretBean.value = passwordHash.generate(genSecret());
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await R.store(jwtSecretBean);
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return jwtSecretBean;
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};
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/**
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* Send TCP request to specified hostname and port
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* @param {string} hostname Hostname / address of machine
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* @param {number} port TCP port to test
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* @returns {Promise<number>} Maximum time in ms rounded to nearest integer
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*/
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exports.tcping = function (hostname, port) {
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return new Promise((resolve, reject) => {
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tcpp.ping({
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address: hostname,
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port: port,
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attempts: 1,
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}, function (err, data) {
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if (err) {
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reject(err);
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}
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if (data.results.length >= 1 && data.results[0].err) {
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reject(data.results[0].err);
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}
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resolve(Math.round(data.max));
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});
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});
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};
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/**
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* Ping the specified machine
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* @param {string} hostname Hostname / address of machine
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* @param {number} [size=56] Size of packet to send
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* @returns {Promise<number>} Time for ping in ms rounded to nearest integer
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*/
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exports.ping = async (hostname, size = 56) => {
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try {
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return await exports.pingAsync(hostname, false, size);
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} catch (e) {
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// If the host cannot be resolved, try again with ipv6
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if (e.message.includes("service not known")) {
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return await exports.pingAsync(hostname, true, size);
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} else {
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throw e;
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}
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}
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};
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/**
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* Ping the specified machine
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* @param {string} hostname Hostname / address of machine to ping
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* @param {boolean} ipv6 Should IPv6 be used?
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* @param {number} [size = 56] Size of ping packet to send
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* @returns {Promise<number>} Time for ping in ms rounded to nearest integer
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*/
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exports.pingAsync = function (hostname, ipv6 = false, size = 56) {
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return new Promise((resolve, reject) => {
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ping.promise.probe(hostname, {
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v6: ipv6,
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min_reply: 1,
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deadline: 10,
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packetSize: size,
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}).then((res) => {
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// If ping failed, it will set field to unknown
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if (res.alive) {
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resolve(res.time);
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} else {
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if (isWindows) {
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reject(new Error(exports.convertToUTF8(res.output)));
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} else {
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reject(new Error(res.output));
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}
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}
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}).catch((err) => {
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reject(err);
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});
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});
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};
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/**
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* MQTT Monitor
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* @param {string} hostname Hostname / address of machine to test
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* @param {string} topic MQTT topic
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* @param {string} okMessage Expected result
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* @param {Object} [options={}] MQTT options. Contains port, username,
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* password and interval (interval defaults to 20)
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* @returns {Promise<string>}
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*/
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exports.mqttAsync = function (hostname, topic, okMessage, options = {}) {
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return new Promise((resolve, reject) => {
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const { port, username, password, interval = 20 } = options;
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// Adds MQTT protocol to the hostname if not already present
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if (!/^(?:http|mqtt|ws)s?:\/\//.test(hostname)) {
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hostname = "mqtt://" + hostname;
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}
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const timeoutID = setTimeout(() => {
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log.debug("mqtt", "MQTT timeout triggered");
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client.end();
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reject(new Error("Timeout"));
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}, interval * 1000 * 0.8);
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const mqttUrl = `${hostname}:${port}`;
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log.debug("mqtt", `MQTT connecting to ${mqttUrl}`);
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let client = mqtt.connect(mqttUrl, {
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username,
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password
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});
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client.on("connect", () => {
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log.debug("mqtt", "MQTT connected");
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try {
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log.debug("mqtt", "MQTT subscribe topic");
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client.subscribe(topic);
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} catch (e) {
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client.end();
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clearTimeout(timeoutID);
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reject(new Error("Cannot subscribe topic"));
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}
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});
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client.on("error", (error) => {
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client.end();
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clearTimeout(timeoutID);
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reject(error);
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});
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client.on("message", (messageTopic, message) => {
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if (messageTopic === topic) {
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client.end();
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clearTimeout(timeoutID);
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if (okMessage != null && okMessage !== "" && message.toString() !== okMessage) {
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reject(new Error(`Message Mismatch - Topic: ${messageTopic}; Message: ${message.toString()}`));
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} else {
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resolve(`Topic: ${messageTopic}; Message: ${message.toString()}`);
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}
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}
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});
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});
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};
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/**
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* Use NTLM Auth for a http request.
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* @param {Object} options The http request options
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* @param {Object} ntlmOptions The auth options
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* @returns {Promise<(string[]|Object[]|Object)>}
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*/
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exports.httpNtlm = function (options, ntlmOptions) {
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return new Promise((resolve, reject) => {
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let client = NtlmClient(ntlmOptions);
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client(options)
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.then((resp) => {
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resolve(resp);
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})
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.catch((err) => {
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reject(err);
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});
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});
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};
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/**
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* Resolves a given record using the specified DNS server
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* @param {string} hostname The hostname of the record to lookup
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* @param {string} resolverServer The DNS server to use
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* @param {string} resolverPort Port the DNS server is listening on
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* @param {string} rrtype The type of record to request
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* @returns {Promise<(string[]|Object[]|Object)>}
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*/
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exports.dnsResolve = function (hostname, resolverServer, resolverPort, rrtype) {
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const resolver = new Resolver();
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// Remove brackets from IPv6 addresses so we can re-add them to
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// prevent issues with ::1:5300 (::1 port 5300)
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resolverServer = resolverServer.replace("[", "").replace("]", "");
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resolver.setServers([ `[${resolverServer}]:${resolverPort}` ]);
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return new Promise((resolve, reject) => {
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if (rrtype === "PTR") {
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resolver.reverse(hostname, (err, records) => {
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if (err) {
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reject(err);
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} else {
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resolve(records);
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}
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});
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} else {
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resolver.resolve(hostname, rrtype, (err, records) => {
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if (err) {
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reject(err);
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} else {
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resolve(records);
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}
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});
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}
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});
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};
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/**
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* Run a query on SQL Server
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* @param {string} connectionString The database connection string
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* @param {string} query The query to validate the database with
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* @returns {Promise<(string[]|Object[]|Object)>}
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*/
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exports.mssqlQuery = async function (connectionString, query) {
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let pool;
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try {
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pool = new mssql.ConnectionPool(connectionString);
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await pool.connect();
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await pool.request().query(query);
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pool.close();
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} catch (e) {
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if (pool) {
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pool.close();
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}
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throw e;
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}
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};
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/**
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* Run a query on Postgres
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* @param {string} connectionString The database connection string
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* @param {string} query The query to validate the database with
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* @returns {Promise<(string[]|Object[]|Object)>}
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*/
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exports.postgresQuery = function (connectionString, query) {
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return new Promise((resolve, reject) => {
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const config = postgresConParse(connectionString);
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if (config.password === "") {
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// See https://github.com/brianc/node-postgres/issues/1927
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return reject(new Error("Password is undefined."));
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}
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const client = new Client({ connectionString });
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client.connect((err) => {
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if (err) {
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reject(err);
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client.end();
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} else {
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// Connected here
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client.query(query, (err, res) => {
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if (err) {
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reject(err);
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} else {
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resolve(res);
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}
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client.end();
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});
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}
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});
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});
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};
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/**
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* Run a query on MySQL/MariaDB
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* @param {string} connectionString The database connection string
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* @param {string} query The query to validate the database with
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* @returns {Promise<(string[]|Object[]|Object)>}
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*/
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exports.mysqlQuery = function (connectionString, query) {
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return new Promise((resolve, reject) => {
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const connection = mysql.createConnection(connectionString);
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connection.promise().query(query)
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.then(res => {
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resolve(res);
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})
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.catch(err => {
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reject(err);
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})
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.finally(() => {
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connection.end();
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});
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});
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};
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/**
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* Connect to and Ping a MongoDB database
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* @param {string} connectionString The database connection string
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* @returns {Promise<(string[]|Object[]|Object)>}
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*/
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exports.mongodbPing = async function (connectionString) {
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let client = await MongoClient.connect(connectionString);
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let dbPing = await client.db().command({ ping: 1 });
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await client.close();
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if (dbPing["ok"] === 1) {
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return "UP";
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} else {
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throw Error("failed");
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}
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};
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/**
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* Query radius server
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* @param {string} hostname Hostname of radius server
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* @param {string} username Username to use
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* @param {string} password Password to use
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* @param {string} calledStationId ID of called station
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* @param {string} callingStationId ID of calling station
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* @param {string} secret Secret to use
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* @param {number} [port=1812] Port to contact radius server on
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* @returns {Promise<any>}
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*/
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exports.radius = function (
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hostname,
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username,
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password,
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calledStationId,
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callingStationId,
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secret,
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port = 1812,
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) {
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const client = new radiusClient({
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host: hostname,
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hostPort: port,
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dictionaries: [ file ],
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});
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return client.accessRequest({
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secret: secret,
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attributes: [
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[ attributes.USER_NAME, username ],
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[ attributes.USER_PASSWORD, password ],
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[ attributes.CALLING_STATION_ID, callingStationId ],
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[ attributes.CALLED_STATION_ID, calledStationId ],
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],
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});
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};
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/**
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* Redis server ping
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* @param {string} dsn The redis connection string
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*/
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exports.redisPingAsync = function (dsn) {
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return new Promise((resolve, reject) => {
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const client = redis.createClient({
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url: dsn,
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});
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client.on("error", (err) => {
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reject(err);
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});
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client.connect().then(() => {
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client.ping().then((res, err) => {
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if (err) {
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reject(err);
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} else {
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resolve(res);
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}
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});
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});
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});
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};
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/**
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* Retrieve value of setting based on key
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* @param {string} key Key of setting to retrieve
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* @returns {Promise<any>} Value
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* @deprecated Use await Settings.get(key)
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*/
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exports.setting = async function (key) {
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return await Settings.get(key);
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};
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/**
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* Sets the specified setting to specifed value
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* @param {string} key Key of setting to set
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* @param {any} value Value to set to
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* @param {?string} type Type of setting
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* @returns {Promise<void>}
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*/
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exports.setSetting = async function (key, value, type = null) {
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await Settings.set(key, value, type);
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};
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/**
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* Get settings based on type
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* @param {string} type The type of setting
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* @returns {Promise<Bean>}
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*/
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exports.getSettings = async function (type) {
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return await Settings.getSettings(type);
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};
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/**
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* Set settings based on type
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* @param {string} type Type of settings to set
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* @param {Object} data Values of settings
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* @returns {Promise<void>}
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*/
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exports.setSettings = async function (type, data) {
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await Settings.setSettings(type, data);
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};
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// ssl-checker by @dyaa
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//https://github.com/dyaa/ssl-checker/blob/master/src/index.ts
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/**
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* Get number of days between two dates
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* @param {Date} validFrom Start date
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* @param {Date} validTo End date
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* @returns {number}
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*/
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const getDaysBetween = (validFrom, validTo) =>
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Math.round(Math.abs(+validFrom - +validTo) / 8.64e7);
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/**
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* Get days remaining from a time range
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* @param {Date} validFrom Start date
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* @param {Date} validTo End date
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* @returns {number}
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*/
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const getDaysRemaining = (validFrom, validTo) => {
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const daysRemaining = getDaysBetween(validFrom, validTo);
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if (new Date(validTo).getTime() < new Date().getTime()) {
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return -daysRemaining;
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}
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return daysRemaining;
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};
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/**
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* Fix certificate info for display
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* @param {Object} info The chain obtained from getPeerCertificate()
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* @returns {Object} An object representing certificate information
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*/
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const parseCertificateInfo = function (info) {
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let link = info;
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let i = 0;
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const existingList = {};
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while (link) {
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log.debug("cert", `[${i}] ${link.fingerprint}`);
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if (!link.valid_from || !link.valid_to) {
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break;
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}
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link.validTo = new Date(link.valid_to);
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link.validFor = link.subjectaltname?.replace(/DNS:|IP Address:/g, "").split(", ");
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link.daysRemaining = getDaysRemaining(new Date(), link.validTo);
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existingList[link.fingerprint] = true;
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// Move up the chain until loop is encountered
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if (link.issuerCertificate == null) {
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break;
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} else if (link.issuerCertificate.fingerprint in existingList) {
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log.debug("cert", `[Last] ${link.issuerCertificate.fingerprint}`);
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link.issuerCertificate = null;
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break;
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} else {
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link = link.issuerCertificate;
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}
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// Should be no use, but just in case.
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if (i > 500) {
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throw new Error("Dead loop occurred in parseCertificateInfo");
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}
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i++;
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}
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return info;
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};
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/**
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* Check if certificate is valid
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* @param {Object} res Response object from axios
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* @returns {Object} Object containing certificate information
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*/
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exports.checkCertificate = function (res) {
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if (!res.request.res.socket) {
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throw new Error("No socket found");
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}
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const info = res.request.res.socket.getPeerCertificate(true);
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const valid = res.request.res.socket.authorized || false;
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log.debug("cert", "Parsing Certificate Info");
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const parsedInfo = parseCertificateInfo(info);
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return {
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valid: valid,
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certInfo: parsedInfo
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};
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};
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/**
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* Check if the provided status code is within the accepted ranges
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* @param {number} status The status code to check
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* @param {string[]} acceptedCodes An array of accepted status codes
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* @returns {boolean} True if status code within range, false otherwise
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* @throws {Error} Will throw an error if the provided status code is not a valid range string or code string
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*/
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exports.checkStatusCode = function (status, acceptedCodes) {
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if (acceptedCodes == null || acceptedCodes.length === 0) {
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return false;
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}
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for (const codeRange of acceptedCodes) {
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const codeRangeSplit = codeRange.split("-").map(string => parseInt(string));
|
|
if (codeRangeSplit.length === 1) {
|
|
if (status === codeRangeSplit[0]) {
|
|
return true;
|
|
}
|
|
} else if (codeRangeSplit.length === 2) {
|
|
if (status >= codeRangeSplit[0] && status <= codeRangeSplit[1]) {
|
|
return true;
|
|
}
|
|
} else {
|
|
throw new Error("Invalid status code range");
|
|
}
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
/**
|
|
* Get total number of clients in room
|
|
* @param {Server} io Socket server instance
|
|
* @param {string} roomName Name of room to check
|
|
* @returns {number}
|
|
*/
|
|
exports.getTotalClientInRoom = (io, roomName) => {
|
|
|
|
const sockets = io.sockets;
|
|
|
|
if (!sockets) {
|
|
return 0;
|
|
}
|
|
|
|
const adapter = sockets.adapter;
|
|
|
|
if (!adapter) {
|
|
return 0;
|
|
}
|
|
|
|
const room = adapter.rooms.get(roomName);
|
|
|
|
if (room) {
|
|
return room.size;
|
|
} else {
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Allow CORS all origins if development
|
|
* @param {Object} res Response object from axios
|
|
*/
|
|
exports.allowDevAllOrigin = (res) => {
|
|
if (process.env.NODE_ENV === "development") {
|
|
exports.allowAllOrigin(res);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Allow CORS all origins
|
|
* @param {Object} res Response object from axios
|
|
*/
|
|
exports.allowAllOrigin = (res) => {
|
|
res.header("Access-Control-Allow-Origin", "*");
|
|
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
|
|
};
|
|
|
|
/**
|
|
* Check if a user is logged in
|
|
* @param {Socket} socket Socket instance
|
|
*/
|
|
exports.checkLogin = (socket) => {
|
|
if (!socket.userID) {
|
|
throw new Error("You are not logged in.");
|
|
}
|
|
};
|
|
|
|
/**
|
|
* For logged-in users, double-check the password
|
|
* @param {Socket} socket Socket.io instance
|
|
* @param {string} currentPassword
|
|
* @returns {Promise<Bean>}
|
|
*/
|
|
exports.doubleCheckPassword = async (socket, currentPassword) => {
|
|
if (typeof currentPassword !== "string") {
|
|
throw new Error("Wrong data type?");
|
|
}
|
|
|
|
let user = await R.findOne("user", " id = ? AND active = 1 ", [
|
|
socket.userID,
|
|
]);
|
|
|
|
if (!user || !passwordHash.verify(currentPassword, user.password)) {
|
|
throw new Error("Incorrect current password");
|
|
}
|
|
|
|
return user;
|
|
};
|
|
|
|
/** Start Unit tests */
|
|
exports.startUnitTest = async () => {
|
|
console.log("Starting unit test...");
|
|
const npm = /^win/.test(process.platform) ? "npm.cmd" : "npm";
|
|
const child = childProcess.spawn(npm, [ "run", "jest-backend" ]);
|
|
|
|
child.stdout.on("data", (data) => {
|
|
console.log(data.toString());
|
|
});
|
|
|
|
child.stderr.on("data", (data) => {
|
|
console.log(data.toString());
|
|
});
|
|
|
|
child.on("close", function (code) {
|
|
console.log("Jest exit code: " + code);
|
|
process.exit(code);
|
|
});
|
|
};
|
|
|
|
/** Start end-to-end tests */
|
|
exports.startE2eTests = async () => {
|
|
console.log("Starting unit test...");
|
|
const npm = /^win/.test(process.platform) ? "npm.cmd" : "npm";
|
|
const child = childProcess.spawn(npm, [ "run", "cy:run" ]);
|
|
|
|
child.stdout.on("data", (data) => {
|
|
console.log(data.toString());
|
|
});
|
|
|
|
child.stderr.on("data", (data) => {
|
|
console.log(data.toString());
|
|
});
|
|
|
|
child.on("close", function (code) {
|
|
console.log("Jest exit code: " + code);
|
|
process.exit(code);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Convert unknown string to UTF8
|
|
* @param {Uint8Array} body Buffer
|
|
* @returns {string}
|
|
*/
|
|
exports.convertToUTF8 = (body) => {
|
|
const guessEncoding = chardet.detect(body);
|
|
const str = iconv.decode(body, guessEncoding);
|
|
return str.toString();
|
|
};
|
|
|
|
/**
|
|
* Returns a color code in hex format based on a given percentage:
|
|
* 0% => hue = 10 => red
|
|
* 100% => hue = 90 => green
|
|
*
|
|
* @param {number} percentage float, 0 to 1
|
|
* @param {number} maxHue
|
|
* @param {number} minHue, int
|
|
* @returns {string}, hex value
|
|
*/
|
|
exports.percentageToColor = (percentage, maxHue = 90, minHue = 10) => {
|
|
const hue = percentage * (maxHue - minHue) + minHue;
|
|
try {
|
|
return chroma(`hsl(${hue}, 90%, 40%)`).hex();
|
|
} catch (err) {
|
|
return badgeConstants.naColor;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Joins and array of string to one string after filtering out empty values
|
|
*
|
|
* @param {string[]} parts
|
|
* @param {string} connector
|
|
* @returns {string}
|
|
*/
|
|
exports.filterAndJoin = (parts, connector = "") => {
|
|
return parts.filter((part) => !!part && part !== "").join(connector);
|
|
};
|
|
|
|
/**
|
|
* Send a 403 response
|
|
* @param {Object} res Express response object
|
|
* @param {string} [msg=""] Message to send
|
|
*/
|
|
module.exports.send403 = (res, msg = "") => {
|
|
res.status(403).json({
|
|
"status": "fail",
|
|
"msg": msg,
|
|
});
|
|
};
|
|
|
|
function timeObjectConvertTimezone(obj, timezone, timeObjectToUTC = true) {
|
|
let offsetString;
|
|
|
|
if (timezone) {
|
|
offsetString = dayjs().tz(timezone).format("Z");
|
|
} else {
|
|
offsetString = dayjs().format("Z");
|
|
}
|
|
|
|
let hours = parseInt(offsetString.substring(1, 3));
|
|
let minutes = parseInt(offsetString.substring(4, 6));
|
|
|
|
if (
|
|
(timeObjectToUTC && offsetString.startsWith("+")) ||
|
|
(!timeObjectToUTC && offsetString.startsWith("-"))
|
|
) {
|
|
hours *= -1;
|
|
minutes *= -1;
|
|
}
|
|
|
|
obj.hours += hours;
|
|
obj.minutes += minutes;
|
|
|
|
// Handle out of bound
|
|
if (obj.minutes < 0) {
|
|
obj.minutes += 60;
|
|
obj.hours--;
|
|
} else if (obj.minutes > 60) {
|
|
obj.minutes -= 60;
|
|
obj.hours++;
|
|
}
|
|
|
|
if (obj.hours < 0) {
|
|
obj.hours += 24;
|
|
} else if (obj.hours > 24) {
|
|
obj.hours -= 24;
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {object} obj
|
|
* @param {string} timezone
|
|
* @returns {object}
|
|
*/
|
|
module.exports.timeObjectToUTC = (obj, timezone = undefined) => {
|
|
return timeObjectConvertTimezone(obj, timezone, true);
|
|
};
|
|
|
|
/**
|
|
*
|
|
* @param {object} obj
|
|
* @param {string} timezone
|
|
* @returns {object}
|
|
*/
|
|
module.exports.timeObjectToLocal = (obj, timezone = undefined) => {
|
|
return timeObjectConvertTimezone(obj, timezone, false);
|
|
};
|
|
|
|
/**
|
|
* Create gRPC client stib
|
|
* @param {Object} options from gRPC client
|
|
*/
|
|
module.exports.grpcQuery = async (options) => {
|
|
const { grpcUrl, grpcProtobufData, grpcServiceName, grpcEnableTls, grpcMethod, grpcBody } = options;
|
|
const protocObject = protojs.parse(grpcProtobufData);
|
|
const protoServiceObject = protocObject.root.lookupService(grpcServiceName);
|
|
const Client = grpc.makeGenericClientConstructor({});
|
|
const credentials = grpcEnableTls ? grpc.credentials.createSsl() : grpc.credentials.createInsecure();
|
|
const client = new Client(
|
|
grpcUrl,
|
|
credentials
|
|
);
|
|
const grpcService = protoServiceObject.create(function (method, requestData, cb) {
|
|
const fullServiceName = method.fullName;
|
|
const serviceFQDN = fullServiceName.split(".");
|
|
const serviceMethod = serviceFQDN.pop();
|
|
const serviceMethodClientImpl = `/${serviceFQDN.slice(1).join(".")}/${serviceMethod}`;
|
|
log.debug("monitor", `gRPC method ${serviceMethodClientImpl}`);
|
|
client.makeUnaryRequest(
|
|
serviceMethodClientImpl,
|
|
arg => arg,
|
|
arg => arg,
|
|
requestData,
|
|
cb);
|
|
}, false, false);
|
|
return new Promise((resolve, _) => {
|
|
try {
|
|
return grpcService[`${grpcMethod}`](JSON.parse(grpcBody), function (err, response) {
|
|
const responseData = JSON.stringify(response);
|
|
if (err) {
|
|
return resolve({
|
|
code: err.code,
|
|
errorMessage: err.details,
|
|
data: ""
|
|
});
|
|
} else {
|
|
log.debug("monitor:", `gRPC response: ${JSON.stringify(response)}`);
|
|
return resolve({
|
|
code: 1,
|
|
errorMessage: "",
|
|
data: responseData
|
|
});
|
|
}
|
|
});
|
|
} catch (err) {
|
|
return resolve({
|
|
code: -1,
|
|
errorMessage: `Error ${err}. Please review your gRPC configuration option. The service name must not include package name value, and the method name must follow camelCase format`,
|
|
data: ""
|
|
});
|
|
}
|
|
|
|
});
|
|
};
|