mirror of
https://github.com/louislam/uptime-kuma.git
synced 2024-12-21 13:35:19 -05:00
1241 lines
49 KiB
JavaScript
1241 lines
49 KiB
JavaScript
const https = require("https");
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const dayjs = require("dayjs");
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const axios = require("axios");
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const { Prometheus } = require("../prometheus");
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const { log, UP, DOWN, PENDING, MAINTENANCE, flipStatus, TimeLogger, MAX_INTERVAL_SECOND, MIN_INTERVAL_SECOND } = require("../../src/util");
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const { tcping, ping, dnsResolve, checkCertificate, checkStatusCode, getTotalClientInRoom, setting, mssqlQuery, postgresQuery, mysqlQuery, mqttAsync, setSetting, httpNtlm, radius, grpcQuery } = require("../util-server");
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const { R } = require("redbean-node");
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const { BeanModel } = require("redbean-node/dist/bean-model");
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const { Notification } = require("../notification");
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const { Proxy } = require("../proxy");
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const { demoMode } = require("../config");
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const version = require("../../package.json").version;
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const apicache = require("../modules/apicache");
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const { UptimeKumaServer } = require("../uptime-kuma-server");
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const { CacheableDnsHttpAgent } = require("../cacheable-dns-http-agent");
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const { DockerHost } = require("../docker");
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const Maintenance = require("./maintenance");
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const { UptimeCacheList } = require("../uptime-cache-list");
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/**
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* status:
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* 0 = DOWN
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* 1 = UP
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* 2 = PENDING
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* 3 = MAINTENANCE
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*/
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class Monitor extends BeanModel {
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/**
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* Return an object that ready to parse to JSON for public
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* Only show necessary data to public
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* @returns {Object}
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*/
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async toPublicJSON(showTags = false) {
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let obj = {
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id: this.id,
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name: this.name,
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sendUrl: this.sendUrl,
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maintenance: await Monitor.isUnderMaintenance(this.id),
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};
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if (this.sendUrl) {
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obj.url = this.url;
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}
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if (showTags) {
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obj.tags = await this.getTags();
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}
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return obj;
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}
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/**
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* Return an object that ready to parse to JSON
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* @returns {Object}
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*/
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async toJSON(includeSensitiveData = true) {
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let notificationIDList = {};
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let list = await R.find("monitor_notification", " monitor_id = ? ", [
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this.id,
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]);
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for (let bean of list) {
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notificationIDList[bean.notification_id] = true;
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}
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const tags = await this.getTags();
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let data = {
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id: this.id,
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name: this.name,
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url: this.url,
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method: this.method,
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hostname: this.hostname,
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port: this.port,
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maxretries: this.maxretries,
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weight: this.weight,
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active: this.active,
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type: this.type,
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interval: this.interval,
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retryInterval: this.retryInterval,
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resendInterval: this.resendInterval,
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keyword: this.keyword,
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expiryNotification: this.isEnabledExpiryNotification(),
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ignoreTls: this.getIgnoreTls(),
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upsideDown: this.isUpsideDown(),
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maxredirects: this.maxredirects,
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accepted_statuscodes: this.getAcceptedStatuscodes(),
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dns_resolve_type: this.dns_resolve_type,
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dns_resolve_server: this.dns_resolve_server,
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dns_last_result: this.dns_last_result,
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docker_container: this.docker_container,
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docker_host: this.docker_host,
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proxyId: this.proxy_id,
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notificationIDList,
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tags: tags,
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maintenance: await Monitor.isUnderMaintenance(this.id),
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mqttTopic: this.mqttTopic,
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mqttSuccessMessage: this.mqttSuccessMessage,
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databaseQuery: this.databaseQuery,
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authMethod: this.authMethod,
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grpcUrl: this.grpcUrl,
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grpcProtobuf: this.grpcProtobuf,
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grpcMethod: this.grpcMethod,
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grpcServiceName: this.grpcServiceName,
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grpcEnableTls: this.getGrpcEnableTls(),
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radiusCalledStationId: this.radiusCalledStationId,
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radiusCallingStationId: this.radiusCallingStationId,
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};
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if (includeSensitiveData) {
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data = {
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...data,
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headers: this.headers,
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body: this.body,
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grpcBody: this.grpcBody,
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grpcMetadata: this.grpcMetadata,
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basic_auth_user: this.basic_auth_user,
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basic_auth_pass: this.basic_auth_pass,
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pushToken: this.pushToken,
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databaseConnectionString: this.databaseConnectionString,
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radiusUsername: this.radiusUsername,
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radiusPassword: this.radiusPassword,
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radiusSecret: this.radiusSecret,
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mqttUsername: this.mqttUsername,
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mqttPassword: this.mqttPassword,
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authWorkstation: this.authWorkstation,
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authDomain: this.authDomain,
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};
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}
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data.includeSensitiveData = includeSensitiveData;
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return data;
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}
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/**
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* Get all tags applied to this monitor
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* @returns {Promise<LooseObject<any>[]>}
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*/
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async getTags() {
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return await R.getAll("SELECT mt.*, tag.name, tag.color FROM monitor_tag mt JOIN tag ON mt.tag_id = tag.id WHERE mt.monitor_id = ?", [ this.id ]);
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}
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/**
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* Encode user and password to Base64 encoding
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* for HTTP "basic" auth, as per RFC-7617
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* @returns {string}
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*/
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encodeBase64(user, pass) {
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return Buffer.from(user + ":" + pass).toString("base64");
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}
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/**
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* Is the TLS expiry notification enabled?
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* @returns {boolean}
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*/
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isEnabledExpiryNotification() {
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return Boolean(this.expiryNotification);
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}
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/**
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* Parse to boolean
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* @returns {boolean}
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*/
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getIgnoreTls() {
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return Boolean(this.ignoreTls);
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}
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/**
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* Parse to boolean
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* @returns {boolean}
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*/
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isUpsideDown() {
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return Boolean(this.upsideDown);
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}
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/**
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* Parse to boolean
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* @returns {boolean}
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*/
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getGrpcEnableTls() {
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return Boolean(this.grpcEnableTls);
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}
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/**
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* Get accepted status codes
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* @returns {Object}
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*/
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getAcceptedStatuscodes() {
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return JSON.parse(this.accepted_statuscodes_json);
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}
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/**
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* Start monitor
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* @param {Server} io Socket server instance
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*/
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start(io) {
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let previousBeat = null;
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let retries = 0;
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let prometheus = new Prometheus(this);
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const beat = async () => {
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let beatInterval = this.interval;
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if (! beatInterval) {
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beatInterval = 1;
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}
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if (demoMode) {
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if (beatInterval < 20) {
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console.log("beat interval too low, reset to 20s");
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beatInterval = 20;
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}
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}
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// Expose here for prometheus update
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// undefined if not https
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let tlsInfo = undefined;
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if (!previousBeat || this.type === "push") {
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previousBeat = await R.findOne("heartbeat", " monitor_id = ? ORDER BY time DESC", [
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this.id,
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]);
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}
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const isFirstBeat = !previousBeat;
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let bean = R.dispense("heartbeat");
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bean.monitor_id = this.id;
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bean.time = R.isoDateTimeMillis(dayjs.utc());
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bean.status = DOWN;
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bean.downCount = previousBeat?.downCount || 0;
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if (this.isUpsideDown()) {
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bean.status = flipStatus(bean.status);
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}
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// Duration
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if (!isFirstBeat) {
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bean.duration = dayjs(bean.time).diff(dayjs(previousBeat.time), "second");
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} else {
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bean.duration = 0;
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}
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try {
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if (await Monitor.isUnderMaintenance(this.id)) {
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bean.msg = "Monitor under maintenance";
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bean.status = MAINTENANCE;
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} else if (this.type === "http" || this.type === "keyword") {
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// Do not do any queries/high loading things before the "bean.ping"
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let startTime = dayjs().valueOf();
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// HTTP basic auth
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let basicAuthHeader = {};
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if (this.auth_method === "basic") {
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basicAuthHeader = {
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"Authorization": "Basic " + this.encodeBase64(this.basic_auth_user, this.basic_auth_pass),
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};
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}
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const httpsAgentOptions = {
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maxCachedSessions: 0, // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
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rejectUnauthorized: !this.getIgnoreTls(),
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};
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log.debug("monitor", `[${this.name}] Prepare Options for axios`);
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// Axios Options
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const options = {
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url: this.url,
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method: (this.method || "get").toLowerCase(),
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...(this.body ? { data: JSON.parse(this.body) } : {}),
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timeout: this.interval * 1000 * 0.8,
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headers: {
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
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"User-Agent": "Uptime-Kuma/" + version,
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...(this.headers ? JSON.parse(this.headers) : {}),
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...(basicAuthHeader),
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},
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maxRedirects: this.maxredirects,
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validateStatus: (status) => {
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return checkStatusCode(status, this.getAcceptedStatuscodes());
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},
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};
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if (this.proxy_id) {
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const proxy = await R.load("proxy", this.proxy_id);
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if (proxy && proxy.active) {
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const { httpAgent, httpsAgent } = Proxy.createAgents(proxy, {
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httpsAgentOptions: httpsAgentOptions,
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});
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options.proxy = false;
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options.httpAgent = httpAgent;
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options.httpsAgent = httpsAgent;
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}
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}
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if (!options.httpsAgent) {
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options.httpsAgent = new https.Agent(httpsAgentOptions);
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}
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log.debug("monitor", `[${this.name}] Axios Options: ${JSON.stringify(options)}`);
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log.debug("monitor", `[${this.name}] Axios Request`);
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// Make Request
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let res = await this.makeAxiosRequest(options);
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bean.msg = `${res.status} - ${res.statusText}`;
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bean.ping = dayjs().valueOf() - startTime;
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// Check certificate if https is used
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let certInfoStartTime = dayjs().valueOf();
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if (this.getUrl()?.protocol === "https:") {
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log.debug("monitor", `[${this.name}] Check cert`);
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try {
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let tlsInfoObject = checkCertificate(res);
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tlsInfo = await this.updateTlsInfo(tlsInfoObject);
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if (!this.getIgnoreTls() && this.isEnabledExpiryNotification()) {
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log.debug("monitor", `[${this.name}] call sendCertNotification`);
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await this.sendCertNotification(tlsInfoObject);
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}
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} catch (e) {
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if (e.message !== "No TLS certificate in response") {
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log.error("monitor", "Caught error");
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log.error("monitor", e.message);
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}
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}
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}
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if (process.env.TIMELOGGER === "1") {
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log.debug("monitor", "Cert Info Query Time: " + (dayjs().valueOf() - certInfoStartTime) + "ms");
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}
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if (process.env.UPTIME_KUMA_LOG_RESPONSE_BODY_MONITOR_ID === this.id) {
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log.info("monitor", res.data);
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}
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if (this.type === "http") {
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bean.status = UP;
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} else {
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let data = res.data;
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// Convert to string for object/array
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if (typeof data !== "string") {
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data = JSON.stringify(data);
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}
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if (data.includes(this.keyword)) {
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bean.msg += ", keyword is found";
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bean.status = UP;
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} else {
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data = data.replace(/<[^>]*>?|[\n\r]|\s+/gm, " ");
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if (data.length > 50) {
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data = data.substring(0, 47) + "...";
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}
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throw new Error(bean.msg + ", but keyword is not in [" + data + "]");
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}
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}
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} else if (this.type === "port") {
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bean.ping = await tcping(this.hostname, this.port);
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bean.msg = "";
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bean.status = UP;
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} else if (this.type === "ping") {
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bean.ping = await ping(this.hostname);
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bean.msg = "";
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bean.status = UP;
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} else if (this.type === "dns") {
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let startTime = dayjs().valueOf();
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let dnsMessage = "";
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let dnsRes = await dnsResolve(this.hostname, this.dns_resolve_server, this.port, this.dns_resolve_type);
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bean.ping = dayjs().valueOf() - startTime;
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if (this.dns_resolve_type === "A" || this.dns_resolve_type === "AAAA" || this.dns_resolve_type === "TXT") {
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dnsMessage += "Records: ";
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dnsMessage += dnsRes.join(" | ");
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} else if (this.dns_resolve_type === "CNAME" || this.dns_resolve_type === "PTR") {
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dnsMessage = dnsRes[0];
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} else if (this.dns_resolve_type === "CAA") {
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dnsMessage = dnsRes[0].issue;
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} else if (this.dns_resolve_type === "MX") {
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dnsRes.forEach(record => {
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dnsMessage += `Hostname: ${record.exchange} - Priority: ${record.priority} | `;
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});
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dnsMessage = dnsMessage.slice(0, -2);
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} else if (this.dns_resolve_type === "NS") {
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dnsMessage += "Servers: ";
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dnsMessage += dnsRes.join(" | ");
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} else if (this.dns_resolve_type === "SOA") {
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dnsMessage += `NS-Name: ${dnsRes.nsname} | Hostmaster: ${dnsRes.hostmaster} | Serial: ${dnsRes.serial} | Refresh: ${dnsRes.refresh} | Retry: ${dnsRes.retry} | Expire: ${dnsRes.expire} | MinTTL: ${dnsRes.minttl}`;
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} else if (this.dns_resolve_type === "SRV") {
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dnsRes.forEach(record => {
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dnsMessage += `Name: ${record.name} | Port: ${record.port} | Priority: ${record.priority} | Weight: ${record.weight} | `;
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});
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dnsMessage = dnsMessage.slice(0, -2);
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}
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if (this.dnsLastResult !== dnsMessage) {
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R.exec("UPDATE `monitor` SET dns_last_result = ? WHERE id = ? ", [
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dnsMessage,
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this.id
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]);
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}
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bean.msg = dnsMessage;
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bean.status = UP;
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} else if (this.type === "push") { // Type: Push
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log.debug("monitor", `[${this.name}] Checking monitor at ${dayjs().format("YYYY-MM-DD HH:mm:ss.SSS")}`);
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const bufferTime = 1000; // 1s buffer to accommodate clock differences
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if (previousBeat) {
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const msSinceLastBeat = dayjs.utc().valueOf() - dayjs.utc(previousBeat.time).valueOf();
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log.debug("monitor", `[${this.name}] msSinceLastBeat = ${msSinceLastBeat}`);
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// If the previous beat was down or pending we use the regular
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// beatInterval/retryInterval in the setTimeout further below
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if (previousBeat.status !== (this.isUpsideDown() ? DOWN : UP) || msSinceLastBeat > beatInterval * 1000 + bufferTime) {
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throw new Error("No heartbeat in the time window");
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} else {
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let timeout = beatInterval * 1000 - msSinceLastBeat;
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if (timeout < 0) {
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timeout = bufferTime;
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} else {
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timeout += bufferTime;
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}
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// No need to insert successful heartbeat for push type, so end here
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retries = 0;
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log.debug("monitor", `[${this.name}] timeout = ${timeout}`);
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this.heartbeatInterval = setTimeout(beat, timeout);
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return;
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}
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} else {
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throw new Error("No heartbeat in the time window");
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}
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} else if (this.type === "steam") {
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const steamApiUrl = "https://api.steampowered.com/IGameServersService/GetServerList/v1/";
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const steamAPIKey = await setting("steamAPIKey");
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const filter = `addr\\${this.hostname}:${this.port}`;
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if (!steamAPIKey) {
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throw new Error("Steam API Key not found");
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}
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let res = await axios.get(steamApiUrl, {
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timeout: this.interval * 1000 * 0.8,
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headers: {
|
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"Accept": "*/*",
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"User-Agent": "Uptime-Kuma/" + version,
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},
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httpsAgent: CacheableDnsHttpAgent.getHttpsAgent({
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maxCachedSessions: 0, // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
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rejectUnauthorized: !this.getIgnoreTls(),
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}),
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httpAgent: CacheableDnsHttpAgent.getHttpAgent({
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maxCachedSessions: 0,
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}),
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maxRedirects: this.maxredirects,
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validateStatus: (status) => {
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return checkStatusCode(status, this.getAcceptedStatuscodes());
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},
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params: {
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filter: filter,
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key: steamAPIKey,
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}
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});
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if (res.data.response && res.data.response.servers && res.data.response.servers.length > 0) {
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bean.status = UP;
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bean.msg = res.data.response.servers[0].name;
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try {
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bean.ping = await ping(this.hostname);
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} catch (_) { }
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} else {
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throw new Error("Server not found on Steam");
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}
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} else if (this.type === "docker") {
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log.debug(`[${this.name}] Prepare Options for Axios`);
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const dockerHost = await R.load("docker_host", this.docker_host);
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|
|
const options = {
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|
url: `/containers/${this.docker_container}/json`,
|
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headers: {
|
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"Accept": "*/*",
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"User-Agent": "Uptime-Kuma/" + version,
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},
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httpsAgent: new https.Agent({
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maxCachedSessions: 0, // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
|
|
rejectUnauthorized: ! this.getIgnoreTls(),
|
|
}),
|
|
};
|
|
|
|
if (dockerHost._dockerType === "socket") {
|
|
options.socketPath = dockerHost._dockerDaemon;
|
|
} else if (dockerHost._dockerType === "tcp") {
|
|
options.baseURL = DockerHost.patchDockerURL(dockerHost._dockerDaemon);
|
|
}
|
|
|
|
log.debug(`[${this.name}] Axios Request`);
|
|
let res = await axios.request(options);
|
|
if (res.data.State.Running) {
|
|
bean.status = UP;
|
|
bean.msg = "";
|
|
}
|
|
} else if (this.type === "mqtt") {
|
|
bean.msg = await mqttAsync(this.hostname, this.mqttTopic, this.mqttSuccessMessage, {
|
|
port: this.port,
|
|
username: this.mqttUsername,
|
|
password: this.mqttPassword,
|
|
interval: this.interval,
|
|
});
|
|
bean.status = UP;
|
|
} else if (this.type === "sqlserver") {
|
|
let startTime = dayjs().valueOf();
|
|
|
|
await mssqlQuery(this.databaseConnectionString, this.databaseQuery);
|
|
|
|
bean.msg = "";
|
|
bean.status = UP;
|
|
bean.ping = dayjs().valueOf() - startTime;
|
|
} else if (this.type === "grpc-keyword") {
|
|
let startTime = dayjs().valueOf();
|
|
const options = {
|
|
grpcUrl: this.grpcUrl,
|
|
grpcProtobufData: this.grpcProtobuf,
|
|
grpcServiceName: this.grpcServiceName,
|
|
grpcEnableTls: this.grpcEnableTls,
|
|
grpcMethod: this.grpcMethod,
|
|
grpcBody: this.grpcBody,
|
|
keyword: this.keyword
|
|
};
|
|
const response = await grpcQuery(options);
|
|
bean.ping = dayjs().valueOf() - startTime;
|
|
log.debug("monitor:", `gRPC response: ${JSON.stringify(response)}`);
|
|
let responseData = response.data;
|
|
if (responseData.length > 50) {
|
|
responseData = response.substring(0, 47) + "...";
|
|
}
|
|
if (response.code !== 1) {
|
|
bean.status = DOWN;
|
|
bean.msg = `Error in send gRPC ${response.code} ${response.errorMessage}`;
|
|
} else {
|
|
if (response.data.toString().includes(this.keyword)) {
|
|
bean.status = UP;
|
|
bean.msg = `${responseData}, keyword [${this.keyword}] is found`;
|
|
} else {
|
|
log.debug("monitor:", `GRPC response [${response.data}] + ", but keyword [${this.keyword}] is not in [" + ${response.data} + "]"`);
|
|
bean.status = DOWN;
|
|
bean.msg = `, but keyword [${this.keyword}] is not in [" + ${responseData} + "]`;
|
|
}
|
|
}
|
|
} else if (this.type === "postgres") {
|
|
let startTime = dayjs().valueOf();
|
|
|
|
await postgresQuery(this.databaseConnectionString, this.databaseQuery);
|
|
|
|
bean.msg = "";
|
|
bean.status = UP;
|
|
bean.ping = dayjs().valueOf() - startTime;
|
|
} else if (this.type === "mysql") {
|
|
let startTime = dayjs().valueOf();
|
|
|
|
await mysqlQuery(this.databaseConnectionString, this.databaseQuery);
|
|
|
|
bean.msg = "";
|
|
bean.status = UP;
|
|
bean.ping = dayjs().valueOf() - startTime;
|
|
} else if (this.type === "radius") {
|
|
let startTime = dayjs().valueOf();
|
|
|
|
// Handle monitors that were created before the
|
|
// update and as such don't have a value for
|
|
// this.port.
|
|
let port;
|
|
if (this.port == null) {
|
|
port = 1812;
|
|
} else {
|
|
port = this.port;
|
|
}
|
|
|
|
try {
|
|
const resp = await radius(
|
|
this.hostname,
|
|
this.radiusUsername,
|
|
this.radiusPassword,
|
|
this.radiusCalledStationId,
|
|
this.radiusCallingStationId,
|
|
this.radiusSecret,
|
|
port
|
|
);
|
|
if (resp.code) {
|
|
bean.msg = resp.code;
|
|
}
|
|
bean.status = UP;
|
|
} catch (error) {
|
|
bean.status = DOWN;
|
|
if (error.response?.code) {
|
|
bean.msg = error.response.code;
|
|
} else {
|
|
bean.msg = error.message;
|
|
}
|
|
}
|
|
bean.ping = dayjs().valueOf() - startTime;
|
|
} else {
|
|
bean.msg = "Unknown Monitor Type";
|
|
bean.status = PENDING;
|
|
}
|
|
|
|
if (this.isUpsideDown()) {
|
|
bean.status = flipStatus(bean.status);
|
|
|
|
if (bean.status === DOWN) {
|
|
throw new Error("Flip UP to DOWN");
|
|
}
|
|
}
|
|
|
|
retries = 0;
|
|
|
|
} catch (error) {
|
|
|
|
bean.msg = error.message;
|
|
|
|
// If UP come in here, it must be upside down mode
|
|
// Just reset the retries
|
|
if (this.isUpsideDown() && bean.status === UP) {
|
|
retries = 0;
|
|
|
|
} else if ((this.maxretries > 0) && (retries < this.maxretries)) {
|
|
retries++;
|
|
bean.status = PENDING;
|
|
}
|
|
}
|
|
|
|
log.debug("monitor", `[${this.name}] Check isImportant`);
|
|
let isImportant = Monitor.isImportantBeat(isFirstBeat, previousBeat?.status, bean.status);
|
|
|
|
// Mark as important if status changed, ignore pending pings,
|
|
// Don't notify if disrupted changes to up
|
|
if (isImportant) {
|
|
bean.important = true;
|
|
|
|
if (Monitor.isImportantForNotification(isFirstBeat, previousBeat?.status, bean.status)) {
|
|
log.debug("monitor", `[${this.name}] sendNotification`);
|
|
await Monitor.sendNotification(isFirstBeat, this, bean);
|
|
} else {
|
|
log.debug("monitor", `[${this.name}] will not sendNotification because it is (or was) under maintenance`);
|
|
}
|
|
|
|
// Reset down count
|
|
bean.downCount = 0;
|
|
|
|
// Clear Status Page Cache
|
|
log.debug("monitor", `[${this.name}] apicache clear`);
|
|
apicache.clear();
|
|
|
|
UptimeKumaServer.getInstance().sendMaintenanceListByUserID(this.user_id);
|
|
|
|
} else {
|
|
bean.important = false;
|
|
|
|
if (bean.status === DOWN && this.resendInterval > 0) {
|
|
++bean.downCount;
|
|
if (bean.downCount >= this.resendInterval) {
|
|
// Send notification again, because we are still DOWN
|
|
log.debug("monitor", `[${this.name}] sendNotification again: Down Count: ${bean.downCount} | Resend Interval: ${this.resendInterval}`);
|
|
await Monitor.sendNotification(isFirstBeat, this, bean);
|
|
|
|
// Reset down count
|
|
bean.downCount = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bean.status === UP) {
|
|
log.debug("monitor", `Monitor #${this.id} '${this.name}': Successful Response: ${bean.ping} ms | Interval: ${beatInterval} seconds | Type: ${this.type}`);
|
|
} else if (bean.status === PENDING) {
|
|
if (this.retryInterval > 0) {
|
|
beatInterval = this.retryInterval;
|
|
}
|
|
log.warn("monitor", `Monitor #${this.id} '${this.name}': Pending: ${bean.msg} | Max retries: ${this.maxretries} | Retry: ${retries} | Retry Interval: ${beatInterval} seconds | Type: ${this.type}`);
|
|
} else if (bean.status === MAINTENANCE) {
|
|
log.warn("monitor", `Monitor #${this.id} '${this.name}': Under Maintenance | Type: ${this.type}`);
|
|
} else {
|
|
log.warn("monitor", `Monitor #${this.id} '${this.name}': Failing: ${bean.msg} | Interval: ${beatInterval} seconds | Type: ${this.type} | Down Count: ${bean.downCount} | Resend Interval: ${this.resendInterval}`);
|
|
}
|
|
|
|
log.debug("monitor", `[${this.name}] Send to socket`);
|
|
UptimeCacheList.clearCache(this.id);
|
|
io.to(this.user_id).emit("heartbeat", bean.toJSON());
|
|
Monitor.sendStats(io, this.id, this.user_id);
|
|
|
|
log.debug("monitor", `[${this.name}] Store`);
|
|
await R.store(bean);
|
|
|
|
log.debug("monitor", `[${this.name}] prometheus.update`);
|
|
prometheus.update(bean, tlsInfo);
|
|
|
|
previousBeat = bean;
|
|
|
|
if (! this.isStop) {
|
|
log.debug("monitor", `[${this.name}] SetTimeout for next check.`);
|
|
this.heartbeatInterval = setTimeout(safeBeat, beatInterval * 1000);
|
|
} else {
|
|
log.info("monitor", `[${this.name}] isStop = true, no next check.`);
|
|
}
|
|
|
|
};
|
|
|
|
/** Get a heartbeat and handle errors */
|
|
const safeBeat = async () => {
|
|
try {
|
|
await beat();
|
|
} catch (e) {
|
|
console.trace(e);
|
|
UptimeKumaServer.errorLog(e, false);
|
|
log.error("monitor", "Please report to https://github.com/louislam/uptime-kuma/issues");
|
|
|
|
if (! this.isStop) {
|
|
log.info("monitor", "Try to restart the monitor");
|
|
this.heartbeatInterval = setTimeout(safeBeat, this.interval * 1000);
|
|
}
|
|
}
|
|
};
|
|
|
|
// Delay Push Type
|
|
if (this.type === "push") {
|
|
setTimeout(() => {
|
|
safeBeat();
|
|
}, this.interval * 1000);
|
|
} else {
|
|
safeBeat();
|
|
}
|
|
}
|
|
|
|
async makeAxiosRequest(options, finalCall = false) {
|
|
try {
|
|
let res;
|
|
if (this.auth_method === "ntlm") {
|
|
options.httpsAgent.keepAlive = true;
|
|
|
|
res = await httpNtlm(options, {
|
|
username: this.basic_auth_user,
|
|
password: this.basic_auth_pass,
|
|
domain: this.authDomain,
|
|
workstation: this.authWorkstation ? this.authWorkstation : undefined
|
|
});
|
|
|
|
} else {
|
|
res = await axios.request(options);
|
|
}
|
|
|
|
return res;
|
|
} catch (e) {
|
|
// Fix #2253
|
|
// Read more: https://stackoverflow.com/questions/1759956/curl-error-18-transfer-closed-with-outstanding-read-data-remaining
|
|
if (!finalCall && typeof e.message === "string" && e.message.includes("maxContentLength size of -1 exceeded")) {
|
|
log.debug("monitor", "makeAxiosRequest with gzip");
|
|
options.headers["Accept-Encoding"] = "gzip, deflate";
|
|
return this.makeAxiosRequest(options, true);
|
|
} else {
|
|
if (typeof e.message === "string" && e.message.includes("maxContentLength size of -1 exceeded")) {
|
|
e.message = "response timeout: incomplete response within a interval";
|
|
}
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Stop monitor */
|
|
stop() {
|
|
clearTimeout(this.heartbeatInterval);
|
|
this.isStop = true;
|
|
|
|
this.prometheus().remove();
|
|
}
|
|
|
|
/**
|
|
* Get a new prometheus instance
|
|
* @returns {Prometheus}
|
|
*/
|
|
prometheus() {
|
|
return new Prometheus(this);
|
|
}
|
|
|
|
/**
|
|
* Helper Method:
|
|
* returns URL object for further usage
|
|
* returns null if url is invalid
|
|
* @returns {(null|URL)}
|
|
*/
|
|
getUrl() {
|
|
try {
|
|
return new URL(this.url);
|
|
} catch (_) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Store TLS info to database
|
|
* @param checkCertificateResult
|
|
* @returns {Promise<Object>}
|
|
*/
|
|
async updateTlsInfo(checkCertificateResult) {
|
|
let tlsInfoBean = await R.findOne("monitor_tls_info", "monitor_id = ?", [
|
|
this.id,
|
|
]);
|
|
|
|
if (tlsInfoBean == null) {
|
|
tlsInfoBean = R.dispense("monitor_tls_info");
|
|
tlsInfoBean.monitor_id = this.id;
|
|
} else {
|
|
|
|
// Clear sent history if the cert changed.
|
|
try {
|
|
let oldCertInfo = JSON.parse(tlsInfoBean.info_json);
|
|
|
|
let isValidObjects = oldCertInfo && oldCertInfo.certInfo && checkCertificateResult && checkCertificateResult.certInfo;
|
|
|
|
if (isValidObjects) {
|
|
if (oldCertInfo.certInfo.fingerprint256 !== checkCertificateResult.certInfo.fingerprint256) {
|
|
log.debug("monitor", "Resetting sent_history");
|
|
await R.exec("DELETE FROM notification_sent_history WHERE type = 'certificate' AND monitor_id = ?", [
|
|
this.id
|
|
]);
|
|
} else {
|
|
log.debug("monitor", "No need to reset sent_history");
|
|
log.debug("monitor", oldCertInfo.certInfo.fingerprint256);
|
|
log.debug("monitor", checkCertificateResult.certInfo.fingerprint256);
|
|
}
|
|
} else {
|
|
log.debug("monitor", "Not valid object");
|
|
}
|
|
} catch (e) { }
|
|
|
|
}
|
|
|
|
tlsInfoBean.info_json = JSON.stringify(checkCertificateResult);
|
|
await R.store(tlsInfoBean);
|
|
|
|
return checkCertificateResult;
|
|
}
|
|
|
|
/**
|
|
* Send statistics to clients
|
|
* @param {Server} io Socket server instance
|
|
* @param {number} monitorID ID of monitor to send
|
|
* @param {number} userID ID of user to send to
|
|
*/
|
|
static async sendStats(io, monitorID, userID) {
|
|
const hasClients = getTotalClientInRoom(io, userID) > 0;
|
|
|
|
if (hasClients) {
|
|
await Monitor.sendAvgPing(24, io, monitorID, userID);
|
|
await Monitor.sendUptime(24, io, monitorID, userID);
|
|
await Monitor.sendUptime(24 * 30, io, monitorID, userID);
|
|
await Monitor.sendCertInfo(io, monitorID, userID);
|
|
} else {
|
|
log.debug("monitor", "No clients in the room, no need to send stats");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send the average ping to user
|
|
* @param {number} duration Hours
|
|
*/
|
|
static async sendAvgPing(duration, io, monitorID, userID) {
|
|
const timeLogger = new TimeLogger();
|
|
|
|
let avgPing = parseInt(await R.getCell(`
|
|
SELECT AVG(ping)
|
|
FROM heartbeat
|
|
WHERE time > DATETIME('now', ? || ' hours')
|
|
AND ping IS NOT NULL
|
|
AND monitor_id = ? `, [
|
|
-duration,
|
|
monitorID,
|
|
]));
|
|
|
|
timeLogger.print(`[Monitor: ${monitorID}] avgPing`);
|
|
|
|
io.to(userID).emit("avgPing", monitorID, avgPing);
|
|
}
|
|
|
|
/**
|
|
* Send certificate information to client
|
|
* @param {Server} io Socket server instance
|
|
* @param {number} monitorID ID of monitor to send
|
|
* @param {number} userID ID of user to send to
|
|
*/
|
|
static async sendCertInfo(io, monitorID, userID) {
|
|
let tlsInfo = await R.findOne("monitor_tls_info", "monitor_id = ?", [
|
|
monitorID,
|
|
]);
|
|
if (tlsInfo != null) {
|
|
io.to(userID).emit("certInfo", monitorID, tlsInfo.info_json);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Uptime with calculation
|
|
* Calculation based on:
|
|
* https://www.uptrends.com/support/kb/reporting/calculation-of-uptime-and-downtime
|
|
* @param {number} duration Hours
|
|
* @param {number} monitorID ID of monitor to calculate
|
|
*/
|
|
static async calcUptime(duration, monitorID, forceNoCache = false) {
|
|
|
|
if (!forceNoCache) {
|
|
let cachedUptime = UptimeCacheList.getUptime(monitorID, duration);
|
|
if (cachedUptime != null) {
|
|
return cachedUptime;
|
|
}
|
|
}
|
|
|
|
const timeLogger = new TimeLogger();
|
|
|
|
const startTime = R.isoDateTime(dayjs.utc().subtract(duration, "hour"));
|
|
|
|
// Handle if heartbeat duration longer than the target duration
|
|
// e.g. If the last beat's duration is bigger that the 24hrs window, it will use the duration between the (beat time - window margin) (THEN case in SQL)
|
|
let result = await R.getRow(`
|
|
SELECT
|
|
-- SUM all duration, also trim off the beat out of time window
|
|
SUM(
|
|
CASE
|
|
WHEN (JULIANDAY(\`time\`) - JULIANDAY(?)) * 86400 < duration
|
|
THEN (JULIANDAY(\`time\`) - JULIANDAY(?)) * 86400
|
|
ELSE duration
|
|
END
|
|
) AS total_duration,
|
|
|
|
-- SUM all uptime duration, also trim off the beat out of time window
|
|
SUM(
|
|
CASE
|
|
WHEN (status = 1 OR status = 3)
|
|
THEN
|
|
CASE
|
|
WHEN (JULIANDAY(\`time\`) - JULIANDAY(?)) * 86400 < duration
|
|
THEN (JULIANDAY(\`time\`) - JULIANDAY(?)) * 86400
|
|
ELSE duration
|
|
END
|
|
END
|
|
) AS uptime_duration
|
|
FROM heartbeat
|
|
WHERE time > ?
|
|
AND monitor_id = ?
|
|
`, [
|
|
startTime, startTime, startTime, startTime, startTime,
|
|
monitorID,
|
|
]);
|
|
|
|
timeLogger.print(`[Monitor: ${monitorID}][${duration}] sendUptime`);
|
|
|
|
let totalDuration = result.total_duration;
|
|
let uptimeDuration = result.uptime_duration;
|
|
let uptime = 0;
|
|
|
|
if (totalDuration > 0) {
|
|
uptime = uptimeDuration / totalDuration;
|
|
if (uptime < 0) {
|
|
uptime = 0;
|
|
}
|
|
|
|
} else {
|
|
// Handle new monitor with only one beat, because the beat's duration = 0
|
|
let status = parseInt(await R.getCell("SELECT `status` FROM heartbeat WHERE monitor_id = ?", [ monitorID ]));
|
|
|
|
if (status === UP) {
|
|
uptime = 1;
|
|
}
|
|
}
|
|
|
|
// Cache
|
|
UptimeCacheList.addUptime(monitorID, duration, uptime);
|
|
|
|
return uptime;
|
|
}
|
|
|
|
/**
|
|
* Send Uptime
|
|
* @param {number} duration Hours
|
|
* @param {Server} io Socket server instance
|
|
* @param {number} monitorID ID of monitor to send
|
|
* @param {number} userID ID of user to send to
|
|
*/
|
|
static async sendUptime(duration, io, monitorID, userID) {
|
|
const uptime = await this.calcUptime(duration, monitorID);
|
|
io.to(userID).emit("uptime", monitorID, duration, uptime);
|
|
}
|
|
|
|
/**
|
|
* Has status of monitor changed since last beat?
|
|
* @param {boolean} isFirstBeat Is this the first beat of this monitor?
|
|
* @param {const} previousBeatStatus Status of the previous beat
|
|
* @param {const} currentBeatStatus Status of the current beat
|
|
* @returns {boolean} True if is an important beat else false
|
|
*/
|
|
static isImportantBeat(isFirstBeat, previousBeatStatus, currentBeatStatus) {
|
|
// * ? -> ANY STATUS = important [isFirstBeat]
|
|
// UP -> PENDING = not important
|
|
// * UP -> DOWN = important
|
|
// UP -> UP = not important
|
|
// PENDING -> PENDING = not important
|
|
// * PENDING -> DOWN = important
|
|
// PENDING -> UP = not important
|
|
// DOWN -> PENDING = this case not exists
|
|
// DOWN -> DOWN = not important
|
|
// * DOWN -> UP = important
|
|
// MAINTENANCE -> MAINTENANCE = not important
|
|
// * MAINTENANCE -> UP = important
|
|
// * MAINTENANCE -> DOWN = important
|
|
// * DOWN -> MAINTENANCE = important
|
|
// * UP -> MAINTENANCE = important
|
|
return isFirstBeat ||
|
|
(previousBeatStatus === DOWN && currentBeatStatus === MAINTENANCE) ||
|
|
(previousBeatStatus === UP && currentBeatStatus === MAINTENANCE) ||
|
|
(previousBeatStatus === MAINTENANCE && currentBeatStatus === DOWN) ||
|
|
(previousBeatStatus === MAINTENANCE && currentBeatStatus === UP) ||
|
|
(previousBeatStatus === UP && currentBeatStatus === DOWN) ||
|
|
(previousBeatStatus === DOWN && currentBeatStatus === UP) ||
|
|
(previousBeatStatus === PENDING && currentBeatStatus === DOWN);
|
|
}
|
|
|
|
/**
|
|
* Is this beat important for notifications?
|
|
* @param {boolean} isFirstBeat Is this the first beat of this monitor?
|
|
* @param {const} previousBeatStatus Status of the previous beat
|
|
* @param {const} currentBeatStatus Status of the current beat
|
|
* @returns {boolean} True if is an important beat else false
|
|
*/
|
|
static isImportantForNotification(isFirstBeat, previousBeatStatus, currentBeatStatus) {
|
|
// * ? -> ANY STATUS = important [isFirstBeat]
|
|
// UP -> PENDING = not important
|
|
// * UP -> DOWN = important
|
|
// UP -> UP = not important
|
|
// PENDING -> PENDING = not important
|
|
// * PENDING -> DOWN = important
|
|
// PENDING -> UP = not important
|
|
// DOWN -> PENDING = this case not exists
|
|
// DOWN -> DOWN = not important
|
|
// * DOWN -> UP = important
|
|
// MAINTENANCE -> MAINTENANCE = not important
|
|
// MAINTENANCE -> UP = not important
|
|
// * MAINTENANCE -> DOWN = important
|
|
// DOWN -> MAINTENANCE = not important
|
|
// UP -> MAINTENANCE = not important
|
|
return isFirstBeat ||
|
|
(previousBeatStatus === MAINTENANCE && currentBeatStatus === DOWN) ||
|
|
(previousBeatStatus === UP && currentBeatStatus === DOWN) ||
|
|
(previousBeatStatus === DOWN && currentBeatStatus === UP) ||
|
|
(previousBeatStatus === PENDING && currentBeatStatus === DOWN);
|
|
}
|
|
|
|
/**
|
|
* Send a notification about a monitor
|
|
* @param {boolean} isFirstBeat Is this beat the first of this monitor?
|
|
* @param {Monitor} monitor The monitor to send a notificaton about
|
|
* @param {Bean} bean Status information about monitor
|
|
*/
|
|
static async sendNotification(isFirstBeat, monitor, bean) {
|
|
if (!isFirstBeat || bean.status === DOWN) {
|
|
const notificationList = await Monitor.getNotificationList(monitor);
|
|
|
|
let text;
|
|
if (bean.status === UP) {
|
|
text = "✅ Up";
|
|
} else {
|
|
text = "🔴 Down";
|
|
}
|
|
|
|
let msg = `[${monitor.name}] [${text}] ${bean.msg}`;
|
|
|
|
for (let notification of notificationList) {
|
|
try {
|
|
// Prevent if the msg is undefined, notifications such as Discord cannot send out.
|
|
const heartbeatJSON = bean.toJSON();
|
|
if (!heartbeatJSON["msg"]) {
|
|
heartbeatJSON["msg"] = "";
|
|
}
|
|
|
|
await Notification.send(JSON.parse(notification.config), msg, await monitor.toJSON(false), heartbeatJSON);
|
|
} catch (e) {
|
|
log.error("monitor", "Cannot send notification to " + notification.name);
|
|
log.error("monitor", e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get list of notification providers for a given monitor
|
|
* @param {Monitor} monitor Monitor to get notification providers for
|
|
* @returns {Promise<LooseObject<any>[]>}
|
|
*/
|
|
static async getNotificationList(monitor) {
|
|
let notificationList = await R.getAll("SELECT notification.* FROM notification, monitor_notification WHERE monitor_id = ? AND monitor_notification.notification_id = notification.id ", [
|
|
monitor.id,
|
|
]);
|
|
return notificationList;
|
|
}
|
|
|
|
/**
|
|
* Send notification about a certificate
|
|
* @param {Object} tlsInfoObject Information about certificate
|
|
*/
|
|
async sendCertNotification(tlsInfoObject) {
|
|
if (tlsInfoObject && tlsInfoObject.certInfo && tlsInfoObject.certInfo.daysRemaining) {
|
|
const notificationList = await Monitor.getNotificationList(this);
|
|
|
|
let notifyDays = await setting("tlsExpiryNotifyDays");
|
|
if (notifyDays == null || !Array.isArray(notifyDays)) {
|
|
// Reset Default
|
|
setSetting("tlsExpiryNotifyDays", [ 7, 14, 21 ], "general");
|
|
notifyDays = [ 7, 14, 21 ];
|
|
}
|
|
|
|
if (notifyDays != null && Array.isArray(notifyDays)) {
|
|
for (const day of notifyDays) {
|
|
log.debug("monitor", "call sendCertNotificationByTargetDays", day);
|
|
await this.sendCertNotificationByTargetDays(tlsInfoObject.certInfo.daysRemaining, day, notificationList);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send a certificate notification when certificate expires in less
|
|
* than target days
|
|
* @param {number} daysRemaining Number of days remaining on certifcate
|
|
* @param {number} targetDays Number of days to alert after
|
|
* @param {LooseObject<any>[]} notificationList List of notification providers
|
|
* @returns {Promise<void>}
|
|
*/
|
|
async sendCertNotificationByTargetDays(daysRemaining, targetDays, notificationList) {
|
|
|
|
if (daysRemaining > targetDays) {
|
|
log.debug("monitor", `No need to send cert notification. ${daysRemaining} > ${targetDays}`);
|
|
return;
|
|
}
|
|
|
|
if (notificationList.length > 0) {
|
|
|
|
let row = await R.getRow("SELECT * FROM notification_sent_history WHERE type = ? AND monitor_id = ? AND days = ?", [
|
|
"certificate",
|
|
this.id,
|
|
targetDays,
|
|
]);
|
|
|
|
// Sent already, no need to send again
|
|
if (row) {
|
|
log.debug("monitor", "Sent already, no need to send again");
|
|
return;
|
|
}
|
|
|
|
let sent = false;
|
|
log.debug("monitor", "Send certificate notification");
|
|
|
|
for (let notification of notificationList) {
|
|
try {
|
|
log.debug("monitor", "Sending to " + notification.name);
|
|
await Notification.send(JSON.parse(notification.config), `[${this.name}][${this.url}] Certificate will be expired in ${daysRemaining} days`);
|
|
sent = true;
|
|
} catch (e) {
|
|
log.error("monitor", "Cannot send cert notification to " + notification.name);
|
|
log.error("monitor", e);
|
|
}
|
|
}
|
|
|
|
if (sent) {
|
|
await R.exec("INSERT INTO notification_sent_history (type, monitor_id, days) VALUES(?, ?, ?)", [
|
|
"certificate",
|
|
this.id,
|
|
targetDays,
|
|
]);
|
|
}
|
|
} else {
|
|
log.debug("monitor", "No notification, no need to send cert notification");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the status of the previous heartbeat
|
|
* @param {number} monitorID ID of monitor to check
|
|
* @returns {Promise<LooseObject<any>>}
|
|
*/
|
|
static async getPreviousHeartbeat(monitorID) {
|
|
return await R.getRow(`
|
|
SELECT status, time FROM heartbeat
|
|
WHERE id = (select MAX(id) from heartbeat where monitor_id = ?)
|
|
`, [
|
|
monitorID
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Check if monitor is under maintenance
|
|
* @param {number} monitorID ID of monitor to check
|
|
* @returns {Promise<boolean>}
|
|
*/
|
|
static async isUnderMaintenance(monitorID) {
|
|
let activeCondition = Maintenance.getActiveMaintenanceSQLCondition();
|
|
const maintenance = await R.getRow(`
|
|
SELECT COUNT(*) AS count
|
|
FROM monitor_maintenance mm
|
|
JOIN maintenance
|
|
ON mm.maintenance_id = maintenance.id
|
|
AND mm.monitor_id = ?
|
|
LEFT JOIN maintenance_timeslot
|
|
ON maintenance_timeslot.maintenance_id = maintenance.id
|
|
WHERE ${activeCondition}
|
|
LIMIT 1`, [ monitorID ]);
|
|
return maintenance.count !== 0;
|
|
}
|
|
|
|
validate() {
|
|
if (this.interval > MAX_INTERVAL_SECOND) {
|
|
throw new Error(`Interval cannot be more than ${MAX_INTERVAL_SECOND} seconds`);
|
|
}
|
|
if (this.interval < MIN_INTERVAL_SECOND) {
|
|
throw new Error(`Interval cannot be less than ${MIN_INTERVAL_SECOND} seconds`);
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = Monitor;
|