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server.js
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/*
* Uptime Kuma Server
* node "server/server.js"
* DO NOT require("./server") in other modules, it likely creates circular dependency!
*/
console.log("Welcome to Uptime Kuma");
// As the log function need to use dayjs, it should be very top
const dayjs = require("dayjs");
dayjs.extend(require("dayjs/plugin/utc"));
dayjs.extend(require("./modules/dayjs/plugin/timezone"));
dayjs.extend(require("dayjs/plugin/customParseFormat"));
// Load environment variables from `.env`
require("dotenv").config();
// Check Node.js Version
const nodeVersion = parseInt(process.versions.node.split(".")[0]);
const requiredVersion = 14;
console.log(`Your Node.js version: ${nodeVersion}`);
if (nodeVersion < requiredVersion) {
console.error(`Error: Your Node.js version is not supported, please upgrade to Node.js >= ${requiredVersion}.`);
process.exit(-1);
}
const args = require("args-parser")(process.argv);
const { sleep, log, getRandomInt, genSecret, isDev } = require("../src/util");
const config = require("./config");
log.info("server", "Welcome to Uptime Kuma");
log.debug("server", "Arguments");
log.debug("server", args);
if (!process.env.NODE_ENV) {
process.env.NODE_ENV = "production";
}
log.info("server", "Node Env: " + process.env.NODE_ENV);
log.info("server", "Importing Node libraries");
const fs = require("fs");
log.info("server", "Importing 3rd-party libraries");
log.debug("server", "Importing express");
const express = require("express");
const expressStaticGzip = require("express-static-gzip");
log.debug("server", "Importing redbean-node");
const { R } = require("redbean-node");
log.debug("server", "Importing jsonwebtoken");
const jwt = require("jsonwebtoken");
log.debug("server", "Importing http-graceful-shutdown");
const gracefulShutdown = require("http-graceful-shutdown");
log.debug("server", "Importing prometheus-api-metrics");
const prometheusAPIMetrics = require("prometheus-api-metrics");
log.debug("server", "Importing compare-versions");
const compareVersions = require("compare-versions");
const { passwordStrength } = require("check-password-strength");
log.debug("server", "Importing 2FA Modules");
const notp = require("notp");
const base32 = require("thirty-two");
const { UptimeKumaServer } = require("./uptime-kuma-server");
const server = UptimeKumaServer.getInstance(args);
const io = module.exports.io = server.io;
const app = server.app;
log.info("server", "Importing this project modules");
log.debug("server", "Importing Monitor");
const Monitor = require("./model/monitor");
log.debug("server", "Importing Settings");
const { getSettings, setSettings, setting, initJWTSecret, checkLogin, startUnitTest, FBSD, doubleCheckPassword, startE2eTests } = require("./util-server");
log.debug("server", "Importing Notification");
const { Notification } = require("./notification");
Notification.init();
log.debug("server", "Importing Proxy");
const { Proxy } = require("./proxy");
log.debug("server", "Importing Database");
const Database = require("./database");
log.debug("server", "Importing Background Jobs");
const { initBackgroundJobs, stopBackgroundJobs } = require("./jobs");
const { loginRateLimiter, twoFaRateLimiter } = require("./rate-limiter");
const { apiAuth } = require("./auth");
const { login } = require("./auth");
const passwordHash = require("./password-hash");
const checkVersion = require("./check-version");
log.info("server", "Version: " + checkVersion.version);
// If host is omitted, the server will accept connections on the unspecified IPv6 address (::) when IPv6 is available and the unspecified IPv4 address (0.0.0.0) otherwise.
// Dual-stack support for (::)
// Also read HOST if not FreeBSD, as HOST is a system environment variable in FreeBSD
let hostEnv = FBSD ? null : process.env.HOST;
let hostname = args.host || process.env.UPTIME_KUMA_HOST || hostEnv;
if (hostname) {
log.info("server", "Custom hostname: " + hostname);
}
const port = [args.port, process.env.UPTIME_KUMA_PORT, process.env.PORT, 3001]
.map(portValue => parseInt(portValue))
.find(portValue => !isNaN(portValue));
const disableFrameSameOrigin = !!process.env.UPTIME_KUMA_DISABLE_FRAME_SAMEORIGIN || args["disable-frame-sameorigin"] || false;
const cloudflaredToken = args["cloudflared-token"] || process.env.UPTIME_KUMA_CLOUDFLARED_TOKEN || undefined;
// 2FA / notp verification defaults
const twoFAVerifyOptions = {
"window": 1,
"time": 30
};
/**
* Run unit test after the server is ready
* @type {boolean}
*/
const testMode = !!args["test"] || false;
const e2eTestMode = !!args["e2e"] || false;
if (config.demoMode) {
log.info("server", "==== Demo Mode ====");
}
// Must be after io instantiation
const { sendNotificationList, sendHeartbeatList, sendImportantHeartbeatList, sendInfo, sendProxyList, sendDockerHostList, sendAPIKeyList } = require("./client");
const { statusPageSocketHandler } = require("./socket-handlers/status-page-socket-handler");
const databaseSocketHandler = require("./socket-handlers/database-socket-handler");
const TwoFA = require("./2fa");
const StatusPage = require("./model/status_page");
const { cloudflaredSocketHandler, autoStart: cloudflaredAutoStart, stop: cloudflaredStop } = require("./socket-handlers/cloudflared-socket-handler");
const { proxySocketHandler } = require("./socket-handlers/proxy-socket-handler");
const { dockerSocketHandler } = require("./socket-handlers/docker-socket-handler");
const { maintenanceSocketHandler } = require("./socket-handlers/maintenance-socket-handler");
const { apiKeySocketHandler } = require("./socket-handlers/api-key-socket-handler");
const { generalSocketHandler } = require("./socket-handlers/general-socket-handler");
const { Settings } = require("./settings");
const { CacheableDnsHttpAgent } = require("./cacheable-dns-http-agent");
const { pluginsHandler } = require("./socket-handlers/plugins-handler");
const apicache = require("./modules/apicache");
app.use(express.json());
// Global Middleware
app.use(function (req, res, next) {
if (!disableFrameSameOrigin) {
res.setHeader("X-Frame-Options", "SAMEORIGIN");
}
res.removeHeader("X-Powered-By");
next();
});
/**
* Use for decode the auth object
* @type {null}
*/
let jwtSecret = null;
/**
* Show Setup Page
* @type {boolean}
*/
let needSetup = false;
(async () => {
Database.init(args);
await initDatabase(testMode);
await server.initAfterDatabaseReady();
server.loadPlugins();
server.entryPage = await Settings.get("entryPage");
await StatusPage.loadDomainMappingList();
log.info("server", "Adding route");
// ***************************
// Normal Router here
// ***************************
// Entry Page
app.get("/kuma/", async (request, response) => {
let hostname = request.hostname;
if (await setting("trustProxy")) {
const proxy = request.headers["x-forwarded-host"];
if (proxy) {
hostname = proxy;
}
}
log.debug("entry", `Request Domain: ${hostname}`);
const uptimeKumaEntryPage = server.entryPage;
if (hostname in StatusPage.domainMappingList) {
log.debug("entry", "This is a status page domain");
let slug = StatusPage.domainMappingList[hostname];
await StatusPage.handleStatusPageResponse(response, server.indexHTML, slug);
} else if (uptimeKumaEntryPage && uptimeKumaEntryPage.startsWith("statusPage-")) {
response.redirect("/kuma/status/" + uptimeKumaEntryPage.replace("statusPage-", ""));
} else {
response.redirect("/kuma/dashboard");
}
});
if (isDev) {
app.post("/kuma/test-webhook", async (request, response) => {
log.debug("test", request.headers);
log.debug("test", request.body);
response.send("OK");
});
}
// Robots.txt
app.get("/kuma/robots.txt", async (_request, response) => {
let txt = "User-agent: *\nDisallow:";
if (!await setting("searchEngineIndex")) {
txt += " /";
}
response.setHeader("Content-Type", "text/plain");
response.send(txt);
});
// Basic Auth Router here
// Prometheus API metrics /metrics
// With Basic Auth using the first user's username/password
app.get("/kuma/metrics", apiAuth, prometheusAPIMetrics());
app.use("/kuma/", expressStaticGzip("dist", {
enableBrotli: true,
}));
// ./data/upload
app.use("/kuma/upload", express.static(Database.uploadDir));
app.get("/.well-known/change-password", async (_, response) => {
response.redirect("https://github.com/realashleybailey/uptime-kuma/wiki/Reset-Password-via-CLI");
});
// API Router
const apiRouter = require("./routers/api-router");
app.use(apiRouter);
// Status Page Router
const statusPageRouter = require("./routers/status-page-router");
app.use(statusPageRouter);
// Universal Route Handler, must be at the end of all express routes.
app.get("*", async (_request, response) => {
if (_request.originalUrl.startsWith("/upload/")) {
response.status(404).send("File not found.");
} else {
response.send(server.indexHTML);
}
});
log.info("server", "Adding socket handler");
io.on("connection", async (socket) => {
sendInfo(socket);
if (needSetup) {
log.info("server", "Redirect to setup page");
socket.emit("setup");
}
// ***************************
// Public Socket API
// ***************************
socket.on("loginByToken", async (token, callback) => {
const clientIP = await server.getClientIP(socket);
log.info("auth", `Login by token. IP=${clientIP}`);
try {
let decoded = jwt.verify(token, jwtSecret);
log.info("auth", "Username from JWT: " + decoded.username);
let user = await R.findOne("user", " username = ? AND active = 1 ", [
decoded.username,
]);
if (user) {
log.debug("auth", "afterLogin");
afterLogin(socket, user);
log.debug("auth", "afterLogin ok");
log.info("auth", `Successfully logged in user ${decoded.username}. IP=${clientIP}`);
callback({
ok: true,
});
} else {
log.info("auth", `Inactive or deleted user ${decoded.username}. IP=${clientIP}`);
callback({
ok: false,
msg: "The user is inactive or deleted.",
});
}
} catch (error) {
log.error("auth", `Invalid token. IP=${clientIP}`);
callback({
ok: false,
msg: "Invalid token.",
});
}
});
socket.on("login", async (data, callback) => {
const clientIP = await server.getClientIP(socket);
log.info("auth", `Login by username + password. IP=${clientIP}`);
// Checking
if (typeof callback !== "function") {
return;
}
if (!data) {
return;
}
// Login Rate Limit
if (! await loginRateLimiter.pass(callback)) {
log.info("auth", `Too many failed requests for user ${data.username}. IP=${clientIP}`);
return;
}
let user = await login(data.username, data.password);
if (user) {
if (user.twofa_status === 0) {
afterLogin(socket, user);
log.info("auth", `Successfully logged in user ${data.username}. IP=${clientIP}`);
callback({
ok: true,
token: jwt.sign({
username: data.username,
}, jwtSecret),
});
}
if (user.twofa_status === 1 && !data.token) {
log.info("auth", `2FA token required for user ${data.username}. IP=${clientIP}`);
callback({
tokenRequired: true,
});
}
if (data.token) {
let verify = notp.totp.verify(data.token, user.twofa_secret, twoFAVerifyOptions);
if (user.twofa_last_token !== data.token && verify) {
afterLogin(socket, user);
await R.exec("UPDATE `user` SET twofa_last_token = ? WHERE id = ? ", [
data.token,
socket.userID,
]);
log.info("auth", `Successfully logged in user ${data.username}. IP=${clientIP}`);
callback({
ok: true,
token: jwt.sign({
username: data.username,
}, jwtSecret),
});
} else {
log.warn("auth", `Invalid token provided for user ${data.username}. IP=${clientIP}`);
callback({
ok: false,
msg: "Invalid Token!",
});
}
}
} else {
log.warn("auth", `Incorrect username or password for user ${data.username}. IP=${clientIP}`);
callback({
ok: false,
msg: "Incorrect username or password.",
});
}
});
socket.on("logout", async (callback) => {
// Rate Limit
if (! await loginRateLimiter.pass(callback)) {
return;
}
socket.leave(socket.userID);
socket.userID = null;
if (typeof callback === "function") {
callback();
}
});
socket.on("prepare2FA", async (currentPassword, callback) => {
try {
if (! await twoFaRateLimiter.pass(callback)) {
return;
}
checkLogin(socket);
await doubleCheckPassword(socket, currentPassword);
let user = await R.findOne("user", " id = ? AND active = 1 ", [
socket.userID,
]);
if (user.twofa_status === 0) {
let newSecret = genSecret();
let encodedSecret = base32.encode(newSecret);
// Google authenticator doesn't like equal signs
// The fix is found at https://github.com/guyht/notp
// Related issue: https://github.com/realashleybailey/uptime-kuma/issues/486
encodedSecret = encodedSecret.toString().replace(/=/g, "");
let uri = `otpauth://totp/Uptime%20Kuma:${user.username}?secret=${encodedSecret}`;
await R.exec("UPDATE `user` SET twofa_secret = ? WHERE id = ? ", [
newSecret,
socket.userID,
]);
callback({
ok: true,
uri: uri,
});
} else {
callback({
ok: false,
msg: "2FA is already enabled.",
});
}
} catch (error) {
callback({
ok: false,
msg: error.message,
});
}
});
socket.on("save2FA", async (currentPassword, callback) => {
const clientIP = await server.getClientIP(socket);
try {
if (! await twoFaRateLimiter.pass(callback)) {
return;
}
checkLogin(socket);
await doubleCheckPassword(socket, currentPassword);
await R.exec("UPDATE `user` SET twofa_status = 1 WHERE id = ? ", [
socket.userID,
]);
log.info("auth", `Saved 2FA token. IP=${clientIP}`);
callback({
ok: true,
msg: "2FA Enabled.",
});
} catch (error) {
log.error("auth", `Error changing 2FA token. IP=${clientIP}`);
callback({
ok: false,
msg: error.message,
});
}
});
socket.on("disable2FA", async (currentPassword, callback) => {
const clientIP = await server.getClientIP(socket);
try {
if (! await twoFaRateLimiter.pass(callback)) {
return;
}
checkLogin(socket);
await doubleCheckPassword(socket, currentPassword);
await TwoFA.disable2FA(socket.userID);
log.info("auth", `Disabled 2FA token. IP=${clientIP}`);
callback({
ok: true,
msg: "2FA Disabled.",
});
} catch (error) {
log.error("auth", `Error disabling 2FA token. IP=${clientIP}`);
callback({
ok: false,
msg: error.message,
});
}
});
socket.on("verifyToken", async (token, currentPassword, callback) => {
try {
checkLogin(socket);
await doubleCheckPassword(socket, currentPassword);
let user = await R.findOne("user", " id = ? AND active = 1 ", [
socket.userID,
]);
let verify = notp.totp.verify(token, user.twofa_secret, twoFAVerifyOptions);
if (user.twofa_last_token !== token && verify) {
callback({
ok: true,
valid: true,
});
} else {
callback({
ok: false,
msg: "Invalid Token.",
valid: false,
});
}
} catch (error) {
callback({
ok: false,
msg: error.message,
});
}
});
socket.on("twoFAStatus", async (callback) => {
try {
checkLogin(socket);
let user = await R.findOne("user", " id = ? AND active = 1 ", [
socket.userID,
]);
if (user.twofa_status === 1) {
callback({
ok: true,
status: true,
});
} else {
callback({
ok: true,
status: false,
});
}
} catch (error) {
callback({
ok: false,
msg: error.message,
});
}
});
socket.on("needSetup", async (callback) => {
callback(needSetup);
});
socket.on("setup", async (username, password, callback) => {
try {
if (passwordStrength(password).value === "Too weak") {
throw new Error("Password is too weak. It should contain alphabetic and numeric characters. It must be at least 6 characters in length.");
}
if ((await R.count("user")) !== 0) {
throw new Error("Uptime Kuma has been initialized. If you want to run setup again, please delete the database.");
}
let user = R.dispense("user");
user.username = username;
user.password = passwordHash.generate(password);
await R.store(user);
needSetup = false;
callback({
ok: true,
msg: "Added Successfully.",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
// ***************************
// Auth Only API
// ***************************
// Add a new monitor
socket.on("add", async (monitor, callback) => {
try {
checkLogin(socket);
let bean = R.dispense("monitor");
let notificationIDList = monitor.notificationIDList;
delete monitor.notificationIDList;
monitor.accepted_statuscodes_json = JSON.stringify(monitor.accepted_statuscodes);
delete monitor.accepted_statuscodes;
bean.import(monitor);
bean.user_id = socket.userID;
bean.validate();
await R.store(bean);
await updateMonitorNotification(bean.id, notificationIDList);
await server.sendMonitorList(socket);
await startMonitor(socket.userID, bean.id);
log.info("monitor", `Added Monitor: ${monitor.id} User ID: ${socket.userID}`);
callback({
ok: true,
msg: "Added Successfully.",
monitorID: bean.id,
});
} catch (e) {
log.error("monitor", `Error adding Monitor: ${monitor.id} User ID: ${socket.userID}`);
callback({
ok: false,
msg: e.message,
});
}
});
// Edit a monitor
socket.on("editMonitor", async (monitor, callback) => {
try {
checkLogin(socket);
let bean = await R.findOne("monitor", " id = ? ", [monitor.id]);
if (bean.user_id !== socket.userID) {
throw new Error("Permission denied.");
}
bean.name = monitor.name;
bean.description = monitor.description;
bean.type = monitor.type;
bean.url = monitor.url;
bean.method = monitor.method;
bean.body = monitor.body;
bean.headers = monitor.headers;
bean.basic_auth_user = monitor.basic_auth_user;
bean.basic_auth_pass = monitor.basic_auth_pass;
bean.tlsCa = monitor.tlsCa;
bean.tlsCert = monitor.tlsCert;
bean.tlsKey = monitor.tlsKey;
bean.interval = monitor.interval;
bean.retryInterval = monitor.retryInterval;
bean.resendInterval = monitor.resendInterval;
bean.hostname = monitor.hostname;
bean.game = monitor.game;
bean.maxretries = monitor.maxretries;
bean.port = parseInt(monitor.port);
bean.keyword = monitor.keyword;
bean.ignoreTls = monitor.ignoreTls;
bean.expiryNotification = monitor.expiryNotification;
bean.upsideDown = monitor.upsideDown;
bean.packetSize = monitor.packetSize;
bean.maxredirects = monitor.maxredirects;
bean.accepted_statuscodes_json = JSON.stringify(monitor.accepted_statuscodes);
bean.dns_resolve_type = monitor.dns_resolve_type;
bean.dns_resolve_server = monitor.dns_resolve_server;
bean.pushToken = monitor.pushToken;
bean.docker_container = monitor.docker_container;
bean.docker_host = monitor.docker_host;
bean.proxyId = Number.isInteger(monitor.proxyId) ? monitor.proxyId : null;
bean.mqttUsername = monitor.mqttUsername;
bean.mqttPassword = monitor.mqttPassword;
bean.mqttTopic = monitor.mqttTopic;
bean.mqttSuccessMessage = monitor.mqttSuccessMessage;
bean.databaseConnectionString = monitor.databaseConnectionString;
bean.databaseQuery = monitor.databaseQuery;
bean.authMethod = monitor.authMethod;
bean.authWorkstation = monitor.authWorkstation;
bean.authDomain = monitor.authDomain;
bean.grpcUrl = monitor.grpcUrl;
bean.grpcProtobuf = monitor.grpcProtobuf;
bean.grpcServiceName = monitor.grpcServiceName;
bean.grpcMethod = monitor.grpcMethod;
bean.grpcBody = monitor.grpcBody;
bean.grpcMetadata = monitor.grpcMetadata;
bean.grpcEnableTls = monitor.grpcEnableTls;
bean.radiusUsername = monitor.radiusUsername;
bean.radiusPassword = monitor.radiusPassword;
bean.radiusCalledStationId = monitor.radiusCalledStationId;
bean.radiusCallingStationId = monitor.radiusCallingStationId;
bean.radiusSecret = monitor.radiusSecret;
bean.httpBodyEncoding = monitor.httpBodyEncoding;
bean.validate();
await R.store(bean);
await updateMonitorNotification(bean.id, monitor.notificationIDList);
if (bean.active) {
await restartMonitor(socket.userID, bean.id);
}
await server.sendMonitorList(socket);
callback({
ok: true,
msg: "Saved.",
monitorID: bean.id,
});
} catch (e) {
log.error("monitor", e);
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("getMonitorList", async (callback) => {
try {
checkLogin(socket);
await server.sendMonitorList(socket);
callback({
ok: true,
});
} catch (e) {
log.error("monitor", e);
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("getMonitor", async (monitorID, callback) => {
try {
checkLogin(socket);
log.info("monitor", `Get Monitor: ${monitorID} User ID: ${socket.userID}`);
let bean = await R.findOne("monitor", " id = ? AND user_id = ? ", [
monitorID,
socket.userID,
]);
callback({
ok: true,
monitor: await bean.toJSON(),
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("getMonitorBeats", async (monitorID, period, callback) => {
try {
checkLogin(socket);
log.info("monitor", `Get Monitor Beats: ${monitorID} User ID: ${socket.userID}`);
if (period == null) {
throw new Error("Invalid period.");
}
let list = await R.getAll(`
SELECT * FROM heartbeat
WHERE monitor_id = ? AND
time > DATETIME('now', '-' || ? || ' hours')
ORDER BY time ASC
`, [
monitorID,
period,
]);
callback({
ok: true,
data: list,
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
// Start or Resume the monitor
socket.on("resumeMonitor", async (monitorID, callback) => {
try {
checkLogin(socket);
await startMonitor(socket.userID, monitorID);
await server.sendMonitorList(socket);
callback({
ok: true,
msg: "Resumed Successfully.",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("pauseMonitor", async (monitorID, callback) => {
try {
checkLogin(socket);
await pauseMonitor(socket.userID, monitorID);
await server.sendMonitorList(socket);
callback({
ok: true,
msg: "Paused Successfully.",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("deleteMonitor", async (monitorID, callback) => {
try {
checkLogin(socket);
log.info("manage", `Delete Monitor: ${monitorID} User ID: ${socket.userID}`);
if (monitorID in server.monitorList) {
server.monitorList[monitorID].stop();
delete server.monitorList[monitorID];
}
await R.exec("DELETE FROM monitor WHERE id = ? AND user_id = ? ", [
monitorID,
socket.userID,
]);
// Fix #2880
apicache.clear();
callback({
ok: true,
msg: "Deleted Successfully.",
});
await server.sendMonitorList(socket);
// Clear heartbeat list on client
await sendImportantHeartbeatList(socket, monitorID, true, true);
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("getTags", async (callback) => {
try {
checkLogin(socket);
const list = await R.findAll("tag");
callback({
ok: true,
tags: list.map(bean => bean.toJSON()),
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("addTag", async (tag, callback) => {
try {
checkLogin(socket);
let bean = R.dispense("tag");
bean.name = tag.name;
bean.color = tag.color;
await R.store(bean);
callback({
ok: true,
tag: await bean.toJSON(),
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("editTag", async (tag, callback) => {
try {
checkLogin(socket);
let bean = await R.findOne("tag", " id = ? ", [tag.id]);
if (bean == null) {
callback({
ok: false,
msg: "Tag not found",
});
return;
}
bean.name = tag.name;
bean.color = tag.color;
await R.store(bean);
callback({
ok: true,
msg: "Saved",
tag: await bean.toJSON(),
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("deleteTag", async (tagID, callback) => {
try {
checkLogin(socket);
await R.exec("DELETE FROM tag WHERE id = ? ", [tagID]);
callback({
ok: true,
msg: "Deleted Successfully.",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});