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632 lines
23 KiB
632 lines
23 KiB
let express = require("express");
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const {
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setting,
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allowDevAllOrigin,
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allowAllOrigin,
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percentageToColor,
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filterAndJoin,
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sendHttpError,
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} = require("../util-server");
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const { R } = require("redbean-node");
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const apicache = require("../modules/apicache");
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const Monitor = require("../model/monitor");
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const dayjs = require("dayjs");
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const { UP, MAINTENANCE, DOWN, PENDING, flipStatus, log, badgeConstants } = require("../../src/util");
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const StatusPage = require("../model/status_page");
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const { UptimeKumaServer } = require("../uptime-kuma-server");
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const { makeBadge } = require("badge-maker");
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const { Prometheus } = require("../prometheus");
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const Database = require("../database");
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const { UptimeCalculator } = require("../uptime-calculator");
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let router = express.Router();
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let cache = apicache.middleware;
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const server = UptimeKumaServer.getInstance();
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let io = server.io;
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router.get("/api/entry-page", async (request, response) => {
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allowDevAllOrigin(response);
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let result = { };
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let hostname = request.hostname;
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if ((await setting("trustProxy")) && request.headers["x-forwarded-host"]) {
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hostname = request.headers["x-forwarded-host"];
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}
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if (hostname in StatusPage.domainMappingList) {
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result.type = "statusPageMatchedDomain";
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result.statusPageSlug = StatusPage.domainMappingList[hostname];
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} else {
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result.type = "entryPage";
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result.entryPage = server.entryPage;
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}
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response.json(result);
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});
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router.all("/api/push/:pushToken", async (request, response) => {
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try {
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let pushToken = request.params.pushToken;
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let msg = request.query.msg || "OK";
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let ping = parseFloat(request.query.ping) || null;
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let statusString = request.query.status || "up";
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let status = (statusString === "up") ? UP : DOWN;
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let monitor = await R.findOne("monitor", " push_token = ? AND active = 1 ", [
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pushToken
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]);
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if (! monitor) {
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throw new Error("Monitor not found or not active.");
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}
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const previousHeartbeat = await Monitor.getPreviousHeartbeat(monitor.id);
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let isFirstBeat = true;
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let bean = R.dispense("heartbeat");
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bean.time = R.isoDateTimeMillis(dayjs.utc());
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bean.monitor_id = monitor.id;
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bean.ping = ping;
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bean.msg = msg;
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bean.downCount = previousHeartbeat?.downCount || 0;
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if (previousHeartbeat) {
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isFirstBeat = false;
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bean.duration = dayjs(bean.time).diff(dayjs(previousHeartbeat.time), "second");
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}
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if (await Monitor.isUnderMaintenance(monitor.id)) {
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msg = "Monitor under maintenance";
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bean.status = MAINTENANCE;
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} else {
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determineStatus(status, previousHeartbeat, monitor.maxretries, monitor.isUpsideDown(), bean);
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}
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// Calculate uptime
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let uptimeCalculator = await UptimeCalculator.getUptimeCalculator(monitor.id);
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let endTimeDayjs = await uptimeCalculator.update(bean.status, parseFloat(bean.ping));
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bean.end_time = R.isoDateTimeMillis(endTimeDayjs);
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log.debug("router", `/api/push/ called at ${dayjs().format("YYYY-MM-DD HH:mm:ss.SSS")}`);
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log.debug("router", "PreviousStatus: " + previousHeartbeat?.status);
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log.debug("router", "Current Status: " + bean.status);
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bean.important = Monitor.isImportantBeat(isFirstBeat, previousHeartbeat?.status, status);
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if (Monitor.isImportantForNotification(isFirstBeat, previousHeartbeat?.status, status)) {
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// Reset down count
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bean.downCount = 0;
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log.debug("monitor", `[${this.name}] sendNotification`);
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await Monitor.sendNotification(isFirstBeat, monitor, bean);
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} else {
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if (bean.status === DOWN && this.resendInterval > 0) {
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++bean.downCount;
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if (bean.downCount >= this.resendInterval) {
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// Send notification again, because we are still DOWN
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log.debug("monitor", `[${this.name}] sendNotification again: Down Count: ${bean.downCount} | Resend Interval: ${this.resendInterval}`);
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await Monitor.sendNotification(isFirstBeat, this, bean);
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// Reset down count
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bean.downCount = 0;
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}
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}
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}
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await R.store(bean);
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io.to(monitor.user_id).emit("heartbeat", bean.toJSON());
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Monitor.sendStats(io, monitor.id, monitor.user_id);
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new Prometheus(monitor).update(bean, undefined);
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response.json({
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ok: true,
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});
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} catch (e) {
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response.status(404).json({
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ok: false,
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msg: e.message
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});
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}
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});
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router.get("/api/badge/:id/status", cache("5 minutes"), async (request, response) => {
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allowAllOrigin(response);
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const {
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label,
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upLabel = "Up",
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downLabel = "Down",
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pendingLabel = "Pending",
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maintenanceLabel = "Maintenance",
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upColor = badgeConstants.defaultUpColor,
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downColor = badgeConstants.defaultDownColor,
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pendingColor = badgeConstants.defaultPendingColor,
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maintenanceColor = badgeConstants.defaultMaintenanceColor,
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style = badgeConstants.defaultStyle,
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value, // for demo purpose only
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} = request.query;
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try {
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const requestedMonitorId = parseInt(request.params.id, 10);
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const overrideValue = value !== undefined ? parseInt(value) : undefined;
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let publicMonitor = await R.getRow(`
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SELECT monitor_group.monitor_id FROM monitor_group, \`group\`
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WHERE monitor_group.group_id = \`group\`.id
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AND monitor_group.monitor_id = ?
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AND public = 1
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`,
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[ requestedMonitorId ]
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);
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const badgeValues = { style };
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if (!publicMonitor) {
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// return a "N/A" badge in naColor (grey), if monitor is not public / not available / non exsitant
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badgeValues.message = "N/A";
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badgeValues.color = badgeConstants.naColor;
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} else {
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const heartbeat = await Monitor.getPreviousHeartbeat(requestedMonitorId);
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const state = overrideValue !== undefined ? overrideValue : heartbeat.status;
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if (label === undefined) {
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badgeValues.label = "Status";
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} else {
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badgeValues.label = label;
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}
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switch (state) {
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case DOWN:
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badgeValues.color = downColor;
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badgeValues.message = downLabel;
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break;
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case UP:
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badgeValues.color = upColor;
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badgeValues.message = upLabel;
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break;
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case PENDING:
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badgeValues.color = pendingColor;
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badgeValues.message = pendingLabel;
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break;
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case MAINTENANCE:
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badgeValues.color = maintenanceColor;
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badgeValues.message = maintenanceLabel;
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break;
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default:
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badgeValues.color = badgeConstants.naColor;
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badgeValues.message = "N/A";
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}
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}
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// build the svg based on given values
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const svg = makeBadge(badgeValues);
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response.type("image/svg+xml");
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response.send(svg);
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} catch (error) {
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sendHttpError(response, error.message);
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}
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});
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router.get("/api/badge/:id/uptime/:duration?", cache("5 minutes"), async (request, response) => {
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allowAllOrigin(response);
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const {
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label,
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labelPrefix,
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labelSuffix = badgeConstants.defaultUptimeLabelSuffix,
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prefix,
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suffix = badgeConstants.defaultUptimeValueSuffix,
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color,
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labelColor,
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style = badgeConstants.defaultStyle,
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value, // for demo purpose only
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} = request.query;
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try {
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const requestedMonitorId = parseInt(request.params.id, 10);
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// if no duration is given, set value to 24 (h)
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let requestedDuration = request.params.duration !== undefined ? request.params.duration : "24h";
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const overrideValue = value && parseFloat(value);
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if (requestedDuration === "24") {
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requestedDuration = "24h";
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}
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let publicMonitor = await R.getRow(`
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SELECT monitor_group.monitor_id FROM monitor_group, \`group\`
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WHERE monitor_group.group_id = \`group\`.id
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AND monitor_group.monitor_id = ?
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AND public = 1
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`,
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[ requestedMonitorId ]
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);
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const badgeValues = { style };
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if (!publicMonitor) {
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// return a "N/A" badge in naColor (grey), if monitor is not public / not available / non existent
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badgeValues.message = "N/A";
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badgeValues.color = badgeConstants.naColor;
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} else {
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const uptimeCalculator = await UptimeCalculator.getUptimeCalculator(requestedMonitorId);
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const uptime = overrideValue ?? uptimeCalculator.getDataByDuration(requestedDuration).uptime;
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// limit the displayed uptime percentage to four (two, when displayed as percent) decimal digits
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const cleanUptime = (uptime * 100).toPrecision(4);
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// use a given, custom color or calculate one based on the uptime value
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badgeValues.color = color ?? percentageToColor(uptime);
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// use a given, custom labelColor or use the default badge label color (defined by badge-maker)
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badgeValues.labelColor = labelColor ?? "";
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// build a label string. If a custom label is given, override the default one (requestedDuration)
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badgeValues.label = filterAndJoin([
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labelPrefix,
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label ?? `Uptime (${requestedDuration}${labelSuffix})`,
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]);
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badgeValues.message = filterAndJoin([ prefix, cleanUptime, suffix ]);
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}
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// build the SVG based on given values
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const svg = makeBadge(badgeValues);
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response.type("image/svg+xml");
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response.send(svg);
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} catch (error) {
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sendHttpError(response, error.message);
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}
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});
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router.get("/api/badge/:id/ping/:duration?", cache("5 minutes"), async (request, response) => {
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allowAllOrigin(response);
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const {
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label,
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labelPrefix,
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labelSuffix = badgeConstants.defaultPingLabelSuffix,
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prefix,
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suffix = badgeConstants.defaultPingValueSuffix,
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color = badgeConstants.defaultPingColor,
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labelColor,
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style = badgeConstants.defaultStyle,
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value, // for demo purpose only
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} = request.query;
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try {
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const requestedMonitorId = parseInt(request.params.id, 10);
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// Default duration is 24 (h) if not defined in queryParam, limited to 720h (30d)
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let requestedDuration = request.params.duration !== undefined ? request.params.duration : "24h";
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const overrideValue = value && parseFloat(value);
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if (requestedDuration === "24") {
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requestedDuration = "24h";
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}
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// Check if monitor is public
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const uptimeCalculator = await UptimeCalculator.getUptimeCalculator(requestedMonitorId);
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const publicAvgPing = uptimeCalculator.getDataByDuration(requestedDuration).avgPing;
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const badgeValues = { style };
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if (!publicAvgPing) {
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// return a "N/A" badge in naColor (grey), if monitor is not public / not available / non exsitant
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badgeValues.message = "N/A";
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badgeValues.color = badgeConstants.naColor;
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} else {
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const avgPing = parseInt(overrideValue ?? publicAvgPing);
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badgeValues.color = color;
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// use a given, custom labelColor or use the default badge label color (defined by badge-maker)
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badgeValues.labelColor = labelColor ?? "";
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// build a lable string. If a custom label is given, override the default one (requestedDuration)
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badgeValues.label = filterAndJoin([ labelPrefix, label ?? `Avg. Ping (${requestedDuration}${labelSuffix})` ]);
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badgeValues.message = filterAndJoin([ prefix, avgPing, suffix ]);
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}
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// build the SVG based on given values
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const svg = makeBadge(badgeValues);
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response.type("image/svg+xml");
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response.send(svg);
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} catch (error) {
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sendHttpError(response, error.message);
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}
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});
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router.get("/api/badge/:id/avg-response/:duration?", cache("5 minutes"), async (request, response) => {
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allowAllOrigin(response);
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const {
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label,
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labelPrefix,
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labelSuffix,
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prefix,
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suffix = badgeConstants.defaultPingValueSuffix,
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color = badgeConstants.defaultPingColor,
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labelColor,
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style = badgeConstants.defaultStyle,
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value, // for demo purpose only
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} = request.query;
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try {
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const requestedMonitorId = parseInt(request.params.id, 10);
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// Default duration is 24 (h) if not defined in queryParam, limited to 720h (30d)
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const requestedDuration = Math.min(
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request.params.duration
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? parseInt(request.params.duration, 10)
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: 24,
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720
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);
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const overrideValue = value && parseFloat(value);
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const sqlHourOffset = Database.sqlHourOffset();
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const publicAvgPing = parseInt(await R.getCell(`
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SELECT AVG(ping) FROM monitor_group, \`group\`, heartbeat
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WHERE monitor_group.group_id = \`group\`.id
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AND heartbeat.time > ${sqlHourOffset}
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AND heartbeat.ping IS NOT NULL
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AND public = 1
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AND heartbeat.monitor_id = ?
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`,
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[ -requestedDuration, requestedMonitorId ]
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));
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const badgeValues = { style };
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if (!publicAvgPing) {
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// return a "N/A" badge in naColor (grey), if monitor is not public / not available / non existent
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badgeValues.message = "N/A";
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badgeValues.color = badgeConstants.naColor;
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} else {
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const avgPing = parseInt(overrideValue ?? publicAvgPing);
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badgeValues.color = color;
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// use a given, custom labelColor or use the default badge label color (defined by badge-maker)
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badgeValues.labelColor = labelColor ?? "";
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// build a label string. If a custom label is given, override the default one (requestedDuration)
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badgeValues.label = filterAndJoin([
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labelPrefix,
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label ?? `Avg. Response (${requestedDuration}h)`,
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labelSuffix,
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]);
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badgeValues.message = filterAndJoin([ prefix, avgPing, suffix ]);
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}
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// build the SVG based on given values
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const svg = makeBadge(badgeValues);
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response.type("image/svg+xml");
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response.send(svg);
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} catch (error) {
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sendHttpError(response, error.message);
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}
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});
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router.get("/api/badge/:id/cert-exp", cache("5 minutes"), async (request, response) => {
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allowAllOrigin(response);
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const date = request.query.date;
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const {
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label,
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labelPrefix,
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labelSuffix,
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prefix,
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suffix = date ? "" : badgeConstants.defaultCertExpValueSuffix,
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upColor = badgeConstants.defaultUpColor,
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warnColor = badgeConstants.defaultWarnColor,
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downColor = badgeConstants.defaultDownColor,
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warnDays = badgeConstants.defaultCertExpireWarnDays,
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downDays = badgeConstants.defaultCertExpireDownDays,
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labelColor,
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style = badgeConstants.defaultStyle,
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value, // for demo purpose only
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} = request.query;
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try {
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const requestedMonitorId = parseInt(request.params.id, 10);
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const overrideValue = value && parseFloat(value);
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let publicMonitor = await R.getRow(`
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SELECT monitor_group.monitor_id FROM monitor_group, \`group\`
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WHERE monitor_group.group_id = \`group\`.id
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AND monitor_group.monitor_id = ?
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AND public = 1
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`,
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[ requestedMonitorId ]
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);
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const badgeValues = { style };
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if (!publicMonitor) {
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// return a "N/A" badge in naColor (grey), if monitor is not public / not available / non existent
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badgeValues.message = "N/A";
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badgeValues.color = badgeConstants.naColor;
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} else {
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const tlsInfoBean = await R.findOne("monitor_tls_info", "monitor_id = ?", [
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requestedMonitorId,
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]);
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if (!tlsInfoBean) {
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// return a "No/Bad Cert" badge in naColor (grey), if no cert saved (does not save bad certs?)
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badgeValues.message = "No/Bad Cert";
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badgeValues.color = badgeConstants.naColor;
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} else {
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const tlsInfo = JSON.parse(tlsInfoBean.info_json);
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if (!tlsInfo.valid) {
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// return a "Bad Cert" badge in naColor (grey), when cert is not valid
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badgeValues.message = "Bad Cert";
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badgeValues.color = downColor;
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} else {
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const daysRemaining = parseInt(overrideValue ?? tlsInfo.certInfo.daysRemaining);
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if (daysRemaining > warnDays) {
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badgeValues.color = upColor;
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} else if (daysRemaining > downDays) {
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badgeValues.color = warnColor;
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} else {
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badgeValues.color = downColor;
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}
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// use a given, custom labelColor or use the default badge label color (defined by badge-maker)
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badgeValues.labelColor = labelColor ?? "";
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// build a label string. If a custom label is given, override the default one
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badgeValues.label = filterAndJoin([
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labelPrefix,
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label ?? "Cert Exp.",
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labelSuffix,
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]);
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badgeValues.message = filterAndJoin([ prefix, date ? tlsInfo.certInfo.validTo : daysRemaining, suffix ]);
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}
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}
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}
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// build the SVG based on given values
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const svg = makeBadge(badgeValues);
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response.type("image/svg+xml");
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response.send(svg);
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} catch (error) {
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sendHttpError(response, error.message);
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}
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});
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router.get("/api/badge/:id/response", cache("5 minutes"), async (request, response) => {
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allowAllOrigin(response);
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|
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const {
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label,
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labelPrefix,
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labelSuffix,
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prefix,
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suffix = badgeConstants.defaultPingValueSuffix,
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|
color = badgeConstants.defaultPingColor,
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labelColor,
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style = badgeConstants.defaultStyle,
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value, // for demo purpose only
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} = request.query;
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|
try {
|
|
const requestedMonitorId = parseInt(request.params.id, 10);
|
|
|
|
const overrideValue = value && parseFloat(value);
|
|
|
|
let publicMonitor = await R.getRow(`
|
|
SELECT monitor_group.monitor_id FROM monitor_group, \`group\`
|
|
WHERE monitor_group.group_id = \`group\`.id
|
|
AND monitor_group.monitor_id = ?
|
|
AND public = 1
|
|
`,
|
|
[ requestedMonitorId ]
|
|
);
|
|
|
|
const badgeValues = { style };
|
|
|
|
if (!publicMonitor) {
|
|
// return a "N/A" badge in naColor (grey), if monitor is not public / not available / non existent
|
|
|
|
badgeValues.message = "N/A";
|
|
badgeValues.color = badgeConstants.naColor;
|
|
} else {
|
|
const heartbeat = await Monitor.getPreviousHeartbeat(
|
|
requestedMonitorId
|
|
);
|
|
|
|
if (!heartbeat.ping) {
|
|
// return a "N/A" badge in naColor (grey), if previous heartbeat has no ping
|
|
|
|
badgeValues.message = "N/A";
|
|
badgeValues.color = badgeConstants.naColor;
|
|
} else {
|
|
const ping = parseInt(overrideValue ?? heartbeat.ping);
|
|
|
|
badgeValues.color = color;
|
|
// use a given, custom labelColor or use the default badge label color (defined by badge-maker)
|
|
badgeValues.labelColor = labelColor ?? "";
|
|
// build a label string. If a custom label is given, override the default one
|
|
badgeValues.label = filterAndJoin([
|
|
labelPrefix,
|
|
label ?? "Response",
|
|
labelSuffix,
|
|
]);
|
|
badgeValues.message = filterAndJoin([ prefix, ping, suffix ]);
|
|
}
|
|
}
|
|
|
|
// build the SVG based on given values
|
|
const svg = makeBadge(badgeValues);
|
|
|
|
response.type("image/svg+xml");
|
|
response.send(svg);
|
|
} catch (error) {
|
|
sendHttpError(response, error.message);
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Determines the status of the next beat in the push route handling.
|
|
* @param {string} status - The reported new status.
|
|
* @param {object} previousHeartbeat - The previous heartbeat object.
|
|
* @param {number} maxretries - The maximum number of retries allowed.
|
|
* @param {boolean} isUpsideDown - Indicates if the monitor is upside down.
|
|
* @param {object} bean - The new heartbeat object.
|
|
* @returns {void}
|
|
*/
|
|
function determineStatus(status, previousHeartbeat, maxretries, isUpsideDown, bean) {
|
|
if (isUpsideDown) {
|
|
status = flipStatus(status);
|
|
}
|
|
|
|
if (previousHeartbeat) {
|
|
if (previousHeartbeat.status === UP && status === DOWN) {
|
|
// Going Down
|
|
if ((maxretries > 0) && (previousHeartbeat.retries < maxretries)) {
|
|
// Retries available
|
|
bean.retries = previousHeartbeat.retries + 1;
|
|
bean.status = PENDING;
|
|
} else {
|
|
// No more retries
|
|
bean.retries = 0;
|
|
bean.status = DOWN;
|
|
}
|
|
} else if (previousHeartbeat.status === PENDING && status === DOWN && previousHeartbeat.retries < maxretries) {
|
|
// Retries available
|
|
bean.retries = previousHeartbeat.retries + 1;
|
|
bean.status = PENDING;
|
|
} else {
|
|
// No more retries or not pending
|
|
if (status === DOWN) {
|
|
bean.retries = previousHeartbeat.retries + 1;
|
|
bean.status = status;
|
|
} else {
|
|
bean.retries = 0;
|
|
bean.status = status;
|
|
}
|
|
}
|
|
} else {
|
|
// First beat?
|
|
if (status === DOWN && maxretries > 0) {
|
|
// Retries available
|
|
bean.retries = 1;
|
|
bean.status = PENDING;
|
|
} else {
|
|
// Retires not enabled
|
|
bean.retries = 0;
|
|
bean.status = status;
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = router;
|