mirror of https://github.com/louislam/uptime-kuma
118 lines
3.3 KiB
JavaScript
118 lines
3.3 KiB
JavaScript
const express = require("express");
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const https = require("https");
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const fs = require("fs");
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const http = require("http");
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const { Server } = require("socket.io");
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const { R } = require("redbean-node");
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const { log } = require("../src/util");
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const Database = require("./database");
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const util = require("util");
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/**
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* `module.exports` (alias: `server`) should be inside this class, in order to avoid circular dependency issue.
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* @type {UptimeKumaServer}
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*/
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class UptimeKumaServer {
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/**
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*
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* @type {UptimeKumaServer}
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*/
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static instance = null;
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/**
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* Main monitor list
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* @type {{}}
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*/
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monitorList = {};
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entryPage = "dashboard";
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app = undefined;
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httpServer = undefined;
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io = undefined;
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static getInstance(args) {
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if (UptimeKumaServer.instance == null) {
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UptimeKumaServer.instance = new UptimeKumaServer(args);
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}
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return UptimeKumaServer.instance;
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}
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constructor(args) {
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// SSL
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const sslKey = args["ssl-key"] || process.env.UPTIME_KUMA_SSL_KEY || process.env.SSL_KEY || undefined;
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const sslCert = args["ssl-cert"] || process.env.UPTIME_KUMA_SSL_CERT || process.env.SSL_CERT || undefined;
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log.info("server", "Creating express and socket.io instance");
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this.app = express();
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if (sslKey && sslCert) {
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log.info("server", "Server Type: HTTPS");
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this.httpServer = https.createServer({
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key: fs.readFileSync(sslKey),
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cert: fs.readFileSync(sslCert)
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}, this.app);
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} else {
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log.info("server", "Server Type: HTTP");
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this.httpServer = http.createServer(this.app);
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}
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this.io = new Server(this.httpServer);
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}
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async sendMonitorList(socket) {
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let list = await this.getMonitorJSONList(socket.userID);
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this.io.to(socket.userID).emit("monitorList", list);
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return list;
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}
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/**
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* Get a list of monitors for the given user.
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* @param {string} userID - The ID of the user to get monitors for.
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* @returns {Promise<Object>} A promise that resolves to an object with monitor IDs as keys and monitor objects as values.
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*
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* Generated by Trelent
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*/
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async getMonitorJSONList(userID) {
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let result = {};
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let monitorList = await R.find("monitor", " user_id = ? ORDER BY weight DESC, name", [
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userID,
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]);
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for (let monitor of monitorList) {
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result[monitor.id] = await monitor.toJSON();
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}
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return result;
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}
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/**
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* Write error to log file
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* @param {any} error The error to write
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* @param {boolean} outputToConsole Should the error also be output to console?
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*/
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static errorLog(error, outputToConsole = true) {
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const errorLogStream = fs.createWriteStream(Database.dataDir + "/error.log", {
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flags: "a"
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});
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errorLogStream.on("error", () => {
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log.info("", "Cannot write to error.log");
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});
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if (errorLogStream) {
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const dateTime = R.isoDateTime();
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errorLogStream.write(`[${dateTime}] ` + util.format(error) + "\n");
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if (outputToConsole) {
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console.error(error);
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}
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}
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errorLogStream.end();
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}
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}
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module.exports = {
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UptimeKumaServer
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};
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