uptime-kuma/server/routers/status-page-router.js

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let express = require("express");
const apicache = require("../modules/apicache");
const { UptimeKumaServer } = require("../uptime-kuma-server");
const StatusPage = require("../model/status_page");
const { allowDevAllOrigin, sendHttpError } = require("../util-server");
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const { R } = require("redbean-node");
const { badgeConstants } = require("../../src/util");
const { makeBadge } = require("badge-maker");
const { UptimeCalculator } = require("../uptime-calculator");
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let router = express.Router();
let cache = apicache.middleware;
const server = UptimeKumaServer.getInstance();
router.get("/status/:slug", cache("5 minutes"), async (request, response) => {
let slug = request.params.slug;
await StatusPage.handleStatusPageResponse(response, server.indexHTML, slug);
});
router.get("/status", cache("5 minutes"), async (request, response) => {
let slug = "default";
await StatusPage.handleStatusPageResponse(response, server.indexHTML, slug);
});
router.get("/status-page", cache("5 minutes"), async (request, response) => {
let slug = "default";
await StatusPage.handleStatusPageResponse(response, server.indexHTML, slug);
});
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// Status page config, incident, monitor list
router.get("/api/status-page/:slug", cache("5 minutes"), async (request, response) => {
allowDevAllOrigin(response);
let slug = request.params.slug;
try {
// Get Status Page
let statusPage = await R.findOne("status_page", " slug = ? ", [
slug
]);
if (!statusPage) {
sendHttpError(response, "Status Page Not Found");
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return null;
}
let statusPageData = await StatusPage.getStatusPageData(statusPage);
// Response
response.json(statusPageData);
} catch (error) {
sendHttpError(response, error.message);
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}
});
// Status Page Polling Data
// Can fetch only if published
router.get("/api/status-page/heartbeat/:slug", cache("1 minutes"), async (request, response) => {
allowDevAllOrigin(response);
try {
let heartbeatList = {};
let uptimeList = {};
let slug = request.params.slug;
let statusPageID = await StatusPage.slugToID(slug);
let monitorIDList = await R.getCol(`
SELECT monitor_group.monitor_id FROM monitor_group, \`group\`
WHERE monitor_group.group_id = \`group\`.id
AND public = 1
AND \`group\`.status_page_id = ?
`, [
statusPageID
]);
for (let monitorID of monitorIDList) {
let list = await R.getAll(`
SELECT * FROM heartbeat
WHERE monitor_id = ?
ORDER BY time DESC
LIMIT 50
`, [
monitorID,
]);
list = R.convertToBeans("heartbeat", list);
heartbeatList[monitorID] = list.reverse().map(row => row.toPublicJSON());
const uptimeCalculator = await UptimeCalculator.getUptimeCalculator(monitorID);
uptimeList[`${monitorID}_24`] = uptimeCalculator.get24Hour().uptime;
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}
response.json({
heartbeatList,
uptimeList
});
} catch (error) {
sendHttpError(response, error.message);
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}
});
// Status page's manifest.json
router.get("/api/status-page/:slug/manifest.json", cache("1440 minutes"), async (request, response) => {
allowDevAllOrigin(response);
let slug = request.params.slug;
try {
// Get Status Page
let statusPage = await R.findOne("status_page", " slug = ? ", [
slug
]);
if (!statusPage) {
sendHttpError(response, "Not Found");
return;
}
// Response
response.json({
"name": statusPage.title,
"start_url": "/status/" + statusPage.slug,
"display": "standalone",
"icons": [
{
"src": statusPage.icon,
"sizes": "128x128",
"type": "image/png"
}
]
});
} catch (error) {
sendHttpError(response, error.message);
}
});
// overall status-page status badge
router.get("/api/status-page/:slug/badge", cache("5 minutes"), async (request, response) => {
allowDevAllOrigin(response);
const slug = request.params.slug;
const statusPageID = await StatusPage.slugToID(slug);
const {
label,
upColor = badgeConstants.defaultUpColor,
downColor = badgeConstants.defaultDownColor,
partialColor = "#F6BE00",
maintenanceColor = "#808080",
style = badgeConstants.defaultStyle
} = request.query;
try {
let monitorIDList = await R.getCol(`
SELECT monitor_group.monitor_id FROM monitor_group, \`group\`
WHERE monitor_group.group_id = \`group\`.id
AND public = 1
AND \`group\`.status_page_id = ?
`, [
statusPageID
]);
let hasUp = false;
let hasDown = false;
let hasMaintenance = false;
for (let monitorID of monitorIDList) {
// retrieve the latest heartbeat
let beat = await R.getAll(`
SELECT * FROM heartbeat
WHERE monitor_id = ?
ORDER BY time DESC
LIMIT 1
`, [
monitorID,
]);
// to be sure, when corresponding monitor not found
if (beat.length === 0) {
continue;
}
// handle status of beat
if (beat[0].status === 3) {
hasMaintenance = true;
} else if (beat[0].status === 2) {
// ignored
} else if (beat[0].status === 1) {
hasUp = true;
} else {
hasDown = true;
}
}
const badgeValues = { style };
if (!hasUp && !hasDown && !hasMaintenance) {
// return a "N/A" badge in naColor (grey), if monitor is not public / not available / non exsitant
badgeValues.message = "N/A";
badgeValues.color = badgeConstants.naColor;
} else {
if (hasMaintenance) {
badgeValues.label = label ? label : "";
badgeValues.color = maintenanceColor;
badgeValues.message = "Maintenance";
} else if (hasUp && !hasDown) {
badgeValues.label = label ? label : "";
badgeValues.color = upColor;
badgeValues.message = "Up";
} else if (hasUp && hasDown) {
badgeValues.label = label ? label : "";
badgeValues.color = partialColor;
badgeValues.message = "Degraded";
} else {
badgeValues.label = label ? label : "";
badgeValues.color = downColor;
badgeValues.message = "Down";
}
}
// build the svg based on given values
const svg = makeBadge(badgeValues);
response.type("image/svg+xml");
response.send(svg);
} catch (error) {
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sendHttpError(response, error.message);
}
});
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module.exports = router;