uptime-kuma/server/server.js
Matthew Nickson e7feca1cd6
Added API key authentication handler
API key authentication is now possible by making use of the X-API-Key
header. API authentication will only be enabled when a user adds their
first API key, up until this point, they can still use their username
and password to authenticate with API endpoints. After the user adds
their first API key, they may only use API keys in future to
authenticate with the API.

In this commit, the prometheus /metrics endpoint has been changed over
to the new authentication system.

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>
2023-02-15 00:39:29 +00:00

1801 lines
60 KiB
JavaScript

/*
* 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");
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("/", 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("/status/" + uptimeKumaEntryPage.replace("statusPage-", ""));
} else {
response.redirect("/dashboard");
}
});
if (isDev) {
app.post("/test-webhook", async (request, response) => {
log.debug("test", request.headers);
log.debug("test", request.body);
response.send("OK");
});
}
// Robots.txt
app.get("/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("/metrics", apiAuth, prometheusAPIMetrics());
app.use("/", expressStaticGzip("dist", {
enableBrotli: true,
}));
// ./data/upload
app.use("/upload", express.static(Database.uploadDir));
app.get("/.well-known/change-password", async (_, response) => {
response.redirect("https://github.com/louislam/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/louislam/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.");
}
// Reset Prometheus labels
server.monitorList[monitor.id]?.prometheus()?.remove();
bean.name = monitor.name;
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.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.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,
]);
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,
});
}
});
socket.on("addMonitorTag", async (tagID, monitorID, value, callback) => {
try {
checkLogin(socket);
await R.exec("INSERT INTO monitor_tag (tag_id, monitor_id, value) VALUES (?, ?, ?)", [
tagID,
monitorID,
value,
]);
callback({
ok: true,
msg: "Added Successfully.",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("editMonitorTag", async (tagID, monitorID, value, callback) => {
try {
checkLogin(socket);
await R.exec("UPDATE monitor_tag SET value = ? WHERE tag_id = ? AND monitor_id = ?", [
value,
tagID,
monitorID,
]);
callback({
ok: true,
msg: "Edited Successfully.",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("deleteMonitorTag", async (tagID, monitorID, value, callback) => {
try {
checkLogin(socket);
await R.exec("DELETE FROM monitor_tag WHERE tag_id = ? AND monitor_id = ? AND value = ?", [
tagID,
monitorID,
value,
]);
// Cleanup unused Tags
await R.exec("delete from tag where ( select count(*) from monitor_tag mt where tag.id = mt.tag_id ) = 0");
callback({
ok: true,
msg: "Deleted Successfully.",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("changePassword", async (password, callback) => {
try {
checkLogin(socket);
if (! password.newPassword) {
throw new Error("Invalid new password");
}
if (passwordStrength(password.newPassword).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.");
}
let user = await doubleCheckPassword(socket, password.currentPassword);
await user.resetPassword(password.newPassword);
callback({
ok: true,
msg: "Password has been updated successfully.",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("getSettings", async (callback) => {
try {
checkLogin(socket);
const data = await getSettings("general");
if (!data.serverTimezone) {
data.serverTimezone = await server.getTimezone();
}
callback({
ok: true,
data: data,
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("setSettings", async (data, currentPassword, callback) => {
try {
checkLogin(socket);
// If currently is disabled auth, don't need to check
// Disabled Auth + Want to Disable Auth => No Check
// Disabled Auth + Want to Enable Auth => No Check
// Enabled Auth + Want to Disable Auth => Check!!
// Enabled Auth + Want to Enable Auth => No Check
const currentDisabledAuth = await setting("disableAuth");
if (!currentDisabledAuth && data.disableAuth) {
await doubleCheckPassword(socket, currentPassword);
}
await setSettings("general", data);
server.entryPage = data.entryPage;
await CacheableDnsHttpAgent.update();
// Also need to apply timezone globally
if (data.serverTimezone) {
await server.setTimezone(data.serverTimezone);
}
callback({
ok: true,
msg: "Saved"
});
sendInfo(socket);
server.sendMaintenanceList(socket);
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
// Add or Edit
socket.on("addNotification", async (notification, notificationID, callback) => {
try {
checkLogin(socket);
let notificationBean = await Notification.save(notification, notificationID, socket.userID);
await sendNotificationList(socket);
callback({
ok: true,
msg: "Saved",
id: notificationBean.id,
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("deleteNotification", async (notificationID, callback) => {
try {
checkLogin(socket);
await Notification.delete(notificationID, socket.userID);
await sendNotificationList(socket);
callback({
ok: true,
msg: "Deleted",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("testNotification", async (notification, callback) => {
try {
checkLogin(socket);
let msg = await Notification.send(notification, notification.name + " Testing");
callback({
ok: true,
msg,
});
} catch (e) {
console.error(e);
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("checkApprise", async (callback) => {
try {
checkLogin(socket);
callback(Notification.checkApprise());
} catch (e) {
callback(false);
}
});
socket.on("uploadBackup", async (uploadedJSON, importHandle, callback) => {
try {
checkLogin(socket);
let backupData = JSON.parse(uploadedJSON);
log.info("manage", `Importing Backup, User ID: ${socket.userID}, Version: ${backupData.version}`);
let notificationListData = backupData.notificationList;
let proxyListData = backupData.proxyList;
let monitorListData = backupData.monitorList;
let version17x = compareVersions.compare(backupData.version, "1.7.0", ">=");
// If the import option is "overwrite" it'll clear most of the tables, except "settings" and "user"
if (importHandle === "overwrite") {
// Stops every monitor first, so it doesn't execute any heartbeat while importing
for (let id in server.monitorList) {
let monitor = server.monitorList[id];
await monitor.stop();
}
await R.exec("DELETE FROM heartbeat");
await R.exec("DELETE FROM monitor_notification");
await R.exec("DELETE FROM monitor_tls_info");
await R.exec("DELETE FROM notification");
await R.exec("DELETE FROM monitor_tag");
await R.exec("DELETE FROM tag");
await R.exec("DELETE FROM monitor");
await R.exec("DELETE FROM proxy");
}
// Only starts importing if the backup file contains at least one notification
if (notificationListData.length >= 1) {
// Get every existing notification name and puts them in one simple string
let notificationNameList = await R.getAll("SELECT name FROM notification");
let notificationNameListString = JSON.stringify(notificationNameList);
for (let i = 0; i < notificationListData.length; i++) {
// Only starts importing the notification if the import option is "overwrite", "keep" or "skip" but the notification doesn't exists
if ((importHandle === "skip" && notificationNameListString.includes(notificationListData[i].name) === false) || importHandle === "keep" || importHandle === "overwrite") {
let notification = JSON.parse(notificationListData[i].config);
await Notification.save(notification, null, socket.userID);
}
}
}
// Only starts importing if the backup file contains at least one proxy
if (proxyListData && proxyListData.length >= 1) {
const proxies = await R.findAll("proxy");
// Loop over proxy list and save proxies
for (const proxy of proxyListData) {
const exists = proxies.find(item => item.id === proxy.id);
// Do not process when proxy already exists in import handle is skip and keep
if ([ "skip", "keep" ].includes(importHandle) && !exists) {
return;
}
// Save proxy as new entry if exists update exists one
await Proxy.save(proxy, exists ? proxy.id : undefined, proxy.userId);
}
}
// Only starts importing if the backup file contains at least one monitor
if (monitorListData.length >= 1) {
// Get every existing monitor name and puts them in one simple string
let monitorNameList = await R.getAll("SELECT name FROM monitor");
let monitorNameListString = JSON.stringify(monitorNameList);
for (let i = 0; i < monitorListData.length; i++) {
// Only starts importing the monitor if the import option is "overwrite", "keep" or "skip" but the notification doesn't exists
if ((importHandle === "skip" && monitorNameListString.includes(monitorListData[i].name) === false) || importHandle === "keep" || importHandle === "overwrite") {
// Define in here every new variable for monitors which where implemented after the first version of the Import/Export function (1.6.0)
// --- Start ---
// Define default values
let retryInterval = 0;
/*
Only replace the default value with the backup file data for the specific version, where it appears the first time
More information about that where "let version" will be defined
*/
if (version17x) {
retryInterval = monitorListData[i].retryInterval;
}
// --- End ---
let monitor = {
// Define the new variable from earlier here
name: monitorListData[i].name,
type: monitorListData[i].type,
url: monitorListData[i].url,
method: monitorListData[i].method || "GET",
body: monitorListData[i].body,
headers: monitorListData[i].headers,
authMethod: monitorListData[i].authMethod,
basic_auth_user: monitorListData[i].basic_auth_user,
basic_auth_pass: monitorListData[i].basic_auth_pass,
authWorkstation: monitorListData[i].authWorkstation,
authDomain: monitorListData[i].authDomain,
interval: monitorListData[i].interval,
retryInterval: retryInterval,
resendInterval: monitorListData[i].resendInterval || 0,
hostname: monitorListData[i].hostname,
maxretries: monitorListData[i].maxretries,
port: monitorListData[i].port,
keyword: monitorListData[i].keyword,
ignoreTls: monitorListData[i].ignoreTls,
upsideDown: monitorListData[i].upsideDown,
maxredirects: monitorListData[i].maxredirects,
accepted_statuscodes: monitorListData[i].accepted_statuscodes,
dns_resolve_type: monitorListData[i].dns_resolve_type,
dns_resolve_server: monitorListData[i].dns_resolve_server,
notificationIDList: {},
proxy_id: monitorListData[i].proxy_id || null,
};
if (monitorListData[i].pushToken) {
monitor.pushToken = monitorListData[i].pushToken;
}
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;
await R.store(bean);
// Only for backup files with the version 1.7.0 or higher, since there was the tag feature implemented
if (version17x) {
// Only import if the specific monitor has tags assigned
for (const oldTag of monitorListData[i].tags) {
// Check if tag already exists and get data ->
let tag = await R.findOne("tag", " name = ?", [
oldTag.name,
]);
let tagId;
if (! tag) {
// -> If it doesn't exist, create new tag from backup file
let beanTag = R.dispense("tag");
beanTag.name = oldTag.name;
beanTag.color = oldTag.color;
await R.store(beanTag);
tagId = beanTag.id;
} else {
// -> If it already exist, set tagId to value from database
tagId = tag.id;
}
// Assign the new created tag to the monitor
await R.exec("INSERT INTO monitor_tag (tag_id, monitor_id, value) VALUES (?, ?, ?)", [
tagId,
bean.id,
oldTag.value,
]);
}
}
await updateMonitorNotification(bean.id, notificationIDList);
// If monitor was active start it immediately, otherwise pause it
if (monitorListData[i].active === 1) {
await startMonitor(socket.userID, bean.id);
} else {
await pauseMonitor(socket.userID, bean.id);
}
}
}
await sendNotificationList(socket);
await server.sendMonitorList(socket);
}
callback({
ok: true,
msg: "Backup successfully restored.",
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("clearEvents", async (monitorID, callback) => {
try {
checkLogin(socket);
log.info("manage", `Clear Events Monitor: ${monitorID} User ID: ${socket.userID}`);
await R.exec("UPDATE heartbeat SET msg = ?, important = ? WHERE monitor_id = ? ", [
"",
"0",
monitorID,
]);
await sendImportantHeartbeatList(socket, monitorID, true, true);
callback({
ok: true,
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("clearHeartbeats", async (monitorID, callback) => {
try {
checkLogin(socket);
log.info("manage", `Clear Heartbeats Monitor: ${monitorID} User ID: ${socket.userID}`);
await R.exec("DELETE FROM heartbeat WHERE monitor_id = ?", [
monitorID
]);
await sendHeartbeatList(socket, monitorID, true, true);
callback({
ok: true,
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
socket.on("clearStatistics", async (callback) => {
try {
checkLogin(socket);
log.info("manage", `Clear Statistics User ID: ${socket.userID}`);
await R.exec("DELETE FROM heartbeat");
callback({
ok: true,
});
} catch (e) {
callback({
ok: false,
msg: e.message,
});
}
});
// Status Page Socket Handler for admin only
statusPageSocketHandler(socket);
cloudflaredSocketHandler(socket);
databaseSocketHandler(socket);
proxySocketHandler(socket);
dockerSocketHandler(socket);
maintenanceSocketHandler(socket);
apiKeySocketHandler(socket);
generalSocketHandler(socket, server);
pluginsHandler(socket, server);
log.debug("server", "added all socket handlers");
// ***************************
// Better do anything after added all socket handlers here
// ***************************
log.debug("auth", "check auto login");
if (await setting("disableAuth")) {
log.info("auth", "Disabled Auth: auto login to admin");
afterLogin(socket, await R.findOne("user"));
socket.emit("autoLogin");
} else {
log.debug("auth", "need auth");
}
});
log.info("server", "Init the server");
server.httpServer.once("error", async (err) => {
console.error("Cannot listen: " + err.message);
await shutdownFunction();
});
server.httpServer.listen(port, hostname, () => {
if (hostname) {
log.info("server", `Listening on ${hostname}:${port}`);
} else {
log.info("server", `Listening on ${port}`);
}
startMonitors();
checkVersion.startInterval();
if (testMode) {
startUnitTest();
}
if (e2eTestMode) {
startE2eTests();
}
});
initBackgroundJobs(args);
// Start cloudflared at the end if configured
await cloudflaredAutoStart(cloudflaredToken);
})();
/**
* Update notifications for a given monitor
* @param {number} monitorID ID of monitor to update
* @param {number[]} notificationIDList List of new notification
* providers to add
* @returns {Promise<void>}
*/
async function updateMonitorNotification(monitorID, notificationIDList) {
await R.exec("DELETE FROM monitor_notification WHERE monitor_id = ? ", [
monitorID,
]);
for (let notificationID in notificationIDList) {
if (notificationIDList[notificationID]) {
let relation = R.dispense("monitor_notification");
relation.monitor_id = monitorID;
relation.notification_id = notificationID;
await R.store(relation);
}
}
}
/**
* Check if a given user owns a specific monitor
* @param {number} userID
* @param {number} monitorID
* @returns {Promise<void>}
* @throws {Error} The specified user does not own the monitor
*/
async function checkOwner(userID, monitorID) {
let row = await R.getRow("SELECT id FROM monitor WHERE id = ? AND user_id = ? ", [
monitorID,
userID,
]);
if (! row) {
throw new Error("You do not own this monitor.");
}
}
/**
* Function called after user login
* This function is used to send the heartbeat list of a monitor.
* @param {Socket} socket Socket.io instance
* @param {Object} user User object
* @returns {Promise<void>}
*/
async function afterLogin(socket, user) {
socket.userID = user.id;
socket.join(user.id);
let monitorList = await server.sendMonitorList(socket);
server.sendMaintenanceList(socket);
sendNotificationList(socket);
sendProxyList(socket);
sendDockerHostList(socket);
sendAPIKeyList(socket);
await sleep(500);
await StatusPage.sendStatusPageList(io, socket);
for (let monitorID in monitorList) {
await sendHeartbeatList(socket, monitorID);
}
for (let monitorID in monitorList) {
await sendImportantHeartbeatList(socket, monitorID);
}
for (let monitorID in monitorList) {
await Monitor.sendStats(io, monitorID, user.id);
}
// Set server timezone from client browser if not set
// It should be run once only
if (! await Settings.get("initServerTimezone")) {
log.debug("server", "emit initServerTimezone");
socket.emit("initServerTimezone");
}
}
/**
* Initialize the database
* @param {boolean} [testMode=false] Should the connection be
* started in test mode?
* @returns {Promise<void>}
*/
async function initDatabase(testMode = false) {
if (! fs.existsSync(Database.path)) {
log.info("server", "Copying Database");
fs.copyFileSync(Database.templatePath, Database.path);
}
log.info("server", "Connecting to the Database");
await Database.connect(testMode);
log.info("server", "Connected");
// Patch the database
await Database.patch();
let jwtSecretBean = await R.findOne("setting", " `key` = ? ", [
"jwtSecret",
]);
if (! jwtSecretBean) {
log.info("server", "JWT secret is not found, generate one.");
jwtSecretBean = await initJWTSecret();
log.info("server", "Stored JWT secret into database");
} else {
log.info("server", "Load JWT secret from database.");
}
// If there is no record in user table, it is a new Uptime Kuma instance, need to setup
if ((await R.count("user")) === 0) {
log.info("server", "No user, need setup");
needSetup = true;
}
jwtSecret = jwtSecretBean.value;
}
/**
* Start the specified monitor
* @param {number} userID ID of user who owns monitor
* @param {number} monitorID ID of monitor to start
* @returns {Promise<void>}
*/
async function startMonitor(userID, monitorID) {
await checkOwner(userID, monitorID);
log.info("manage", `Resume Monitor: ${monitorID} User ID: ${userID}`);
await R.exec("UPDATE monitor SET active = 1 WHERE id = ? AND user_id = ? ", [
monitorID,
userID,
]);
let monitor = await R.findOne("monitor", " id = ? ", [
monitorID,
]);
if (monitor.id in server.monitorList) {
server.monitorList[monitor.id].stop();
}
server.monitorList[monitor.id] = monitor;
monitor.start(io);
}
/**
* Restart a given monitor
* @param {number} userID ID of user who owns monitor
* @param {number} monitorID ID of monitor to start
* @returns {Promise<void>}
*/
async function restartMonitor(userID, monitorID) {
return await startMonitor(userID, monitorID);
}
/**
* Pause a given monitor
* @param {number} userID ID of user who owns monitor
* @param {number} monitorID ID of monitor to start
* @returns {Promise<void>}
*/
async function pauseMonitor(userID, monitorID) {
await checkOwner(userID, monitorID);
log.info("manage", `Pause Monitor: ${monitorID} User ID: ${userID}`);
await R.exec("UPDATE monitor SET active = 0 WHERE id = ? AND user_id = ? ", [
monitorID,
userID,
]);
if (monitorID in server.monitorList) {
server.monitorList[monitorID].stop();
}
}
/** Resume active monitors */
async function startMonitors() {
let list = await R.find("monitor", " active = 1 ");
for (let monitor of list) {
server.monitorList[monitor.id] = monitor;
}
for (let monitor of list) {
monitor.start(io);
// Give some delays, so all monitors won't make request at the same moment when just start the server.
await sleep(getRandomInt(300, 1000));
}
}
/**
* Shutdown the application
* Stops all monitors and closes the database connection.
* @param {string} signal The signal that triggered this function to be called.
* @returns {Promise<void>}
*/
async function shutdownFunction(signal) {
log.info("server", "Shutdown requested");
log.info("server", "Called signal: " + signal);
await server.stop();
log.info("server", "Stopping all monitors");
for (let id in server.monitorList) {
let monitor = server.monitorList[id];
monitor.stop();
}
await sleep(2000);
await Database.close();
stopBackgroundJobs();
await cloudflaredStop();
Settings.stopCacheCleaner();
}
/** Final function called before application exits */
function finalFunction() {
log.info("server", "Graceful shutdown successful!");
}
gracefulShutdown(server.httpServer, {
signals: "SIGINT SIGTERM",
timeout: 30000, // timeout: 30 secs
development: false, // not in dev mode
forceExit: true, // triggers process.exit() at the end of shutdown process
onShutdown: shutdownFunction, // shutdown function (async) - e.g. for cleanup DB, ...
finally: finalFunction, // finally function (sync) - e.g. for logging
});
// Catch unexpected errors here
process.addListener("unhandledRejection", (error, promise) => {
console.trace(error);
UptimeKumaServer.errorLog(error, false);
console.error("If you keep encountering errors, please report to https://github.com/louislam/uptime-kuma/issues");
});