uptime-kuma/server/routers/api-router.js

410 lines
13 KiB
JavaScript

let express = require("express");
const { allowDevAllOrigin, allowAllOrigin, percentageToColor, filterAndJoin, setting } = require("../util-server");
const { R } = require("redbean-node");
const apicache = require("../modules/apicache");
const Monitor = require("../model/monitor");
const dayjs = require("dayjs");
const { UP, flipStatus, log } = require("../../src/util");
const StatusPage = require("../model/status_page");
const { UptimeKumaServer } = require("../uptime-kuma-server");
const { makeBadge } = require("badge-maker");
const { badgeConstants } = require("../config");
let router = express.Router();
let cache = apicache.middleware;
const server = UptimeKumaServer.getInstance();
let io = server.io;
router.get("/api/entry-page", async (request, response) => {
allowDevAllOrigin(response);
let result = { };
if (request.hostname in StatusPage.domainMappingList) {
result.type = "statusPageMatchedDomain";
result.statusPageSlug = StatusPage.domainMappingList[request.hostname];
} else {
result.type = "entryPage";
result.entryPage = server.entryPage;
}
response.json(result);
});
router.get("/api/push/:pushToken", async (request, response) => {
try {
let pushToken = request.params.pushToken;
let msg = request.query.msg || "OK";
let ping = request.query.ping || null;
let monitor = await R.findOne("monitor", " push_token = ? AND active = 1 ", [
pushToken
]);
if (! monitor) {
throw new Error("Monitor not found or not active.");
}
const previousHeartbeat = await Monitor.getPreviousHeartbeat(monitor.id);
let status = UP;
if (monitor.isUpsideDown()) {
status = flipStatus(status);
}
let isFirstBeat = true;
let previousStatus = status;
let duration = 0;
let bean = R.dispense("heartbeat");
bean.time = R.isoDateTime(dayjs.utc());
if (previousHeartbeat) {
isFirstBeat = false;
previousStatus = previousHeartbeat.status;
duration = dayjs(bean.time).diff(dayjs(previousHeartbeat.time), "second");
}
log.debug("router", "PreviousStatus: " + previousStatus);
log.debug("router", "Current Status: " + status);
bean.important = Monitor.isImportantBeat(isFirstBeat, previousStatus, status);
bean.monitor_id = monitor.id;
bean.status = status;
bean.msg = msg;
bean.ping = ping;
bean.duration = duration;
await R.store(bean);
io.to(monitor.user_id).emit("heartbeat", bean.toJSON());
Monitor.sendStats(io, monitor.id, monitor.user_id);
response.json({
ok: true,
});
if (bean.important) {
await Monitor.sendNotification(isFirstBeat, monitor, bean);
}
} catch (e) {
response.json({
ok: false,
msg: e.message
});
}
});
// 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;
// Get Status Page
let statusPage = await R.findOne("status_page", " slug = ? ", [
slug
]);
if (!statusPage) {
response.statusCode = 404;
response.json({
msg: "Not Found"
});
return;
}
try {
// Incident
let incident = await R.findOne("incident", " pin = 1 AND active = 1 AND status_page_id = ? ", [
statusPage.id,
]);
if (incident) {
incident = incident.toPublicJSON();
}
// Public Group List
const publicGroupList = [];
const showTags = !!statusPage.show_tags;
const list = await R.find("group", " public = 1 AND status_page_id = ? ORDER BY weight ", [
statusPage.id
]);
for (let groupBean of list) {
let monitorGroup = await groupBean.toPublicJSON(showTags);
publicGroupList.push(monitorGroup);
}
// Response
response.json({
config: await statusPage.toPublicJSON(),
incident,
publicGroupList
});
} catch (error) {
send403(response, error.message);
}
});
// 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 type = 24;
uptimeList[`${monitorID}_${type}`] = await Monitor.calcUptime(type, monitorID);
}
response.json({
heartbeatList,
uptimeList
});
} catch (error) {
send403(response, error.message);
}
});
router.get("/api/badge/:id/status", cache("5 minutes"), async (request, response) => {
allowAllOrigin(response);
const {
label,
upLabel = "Up",
downLabel = "Down",
upColor = badgeConstants.defaultUpColor,
downColor = badgeConstants.defaultDownColor,
style = badgeConstants.defaultStyle,
value, // for demo purpose only
} = request.query;
try {
await checkPublished();
const requestedMonitorId = parseInt(request.params.id, 10);
const overrideValue = value !== undefined ? parseInt(value) : undefined;
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 exsitant
badgeValues.message = "N/A";
badgeValues.color = badgeConstants.naColor;
} else {
const heartbeat = await Monitor.getPreviousHeartbeat(requestedMonitorId);
const state = overrideValue !== undefined ? overrideValue : heartbeat.status === 1;
badgeValues.color = state ? upColor : downColor;
badgeValues.message = label ?? state ? upLabel : downLabel;
}
// build the svg based on given values
const svg = makeBadge(badgeValues);
response.type("image/svg+xml");
response.send(svg);
} catch (error) {
send403(response, error.message);
}
});
router.get("/api/badge/:id/uptime/:duration?", cache("5 minutes"), async (request, response) => {
allowAllOrigin(response);
const {
label,
labelPrefix,
labelSuffix = badgeConstants.defaultUptimeLabelSuffix,
prefix,
suffix = badgeConstants.defaultUptimeValueSuffix,
color,
labelColor,
style = badgeConstants.defaultStyle,
value, // for demo purpose only
} = request.query;
try {
await checkPublished();
const requestedMonitorId = parseInt(request.params.id, 10);
// if no duration is given, set value to 24 (h)
const requestedDuration = request.params.duration !== undefined ? parseInt(request.params.duration, 10) : 24;
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 exsitant
badgeValues.message = "N/A";
badgeValues.color = badgeConstants.naColor;
} else {
const uptime = overrideValue ?? await Monitor.calcUptime(
requestedDuration,
requestedMonitorId
);
// limit the displayed uptime percentage to four (two, when displayed as percent) decimal digits
const cleanUptime = parseFloat(uptime.toPrecision(4));
// use a given, custom color or calculate one based on the uptime value
badgeValues.color = color ?? percentageToColor(uptime);
// use a given, custom labelColor or use the default badge label color (defined by badge-maker)
badgeValues.labelColor = labelColor ?? "";
// build a lable string. If a custom label is given, override the default one (requestedDuration)
badgeValues.label = filterAndJoin([ labelPrefix, label ?? requestedDuration, labelSuffix ]);
badgeValues.message = filterAndJoin([ prefix, `${cleanUptime * 100}`, suffix ]);
}
// build the SVG based on given values
const svg = makeBadge(badgeValues);
response.type("image/svg+xml");
response.send(svg);
} catch (error) {
send403(response, error.message);
}
});
router.get("/api/badge/:id/ping/:duration?", cache("5 minutes"), async (request, response) => {
allowAllOrigin(response);
const {
label,
labelPrefix,
labelSuffix = badgeConstants.defaultPingLabelSuffix,
prefix,
suffix = badgeConstants.defaultPingValueSuffix,
color = badgeConstants.defaultPingColor,
labelColor,
style = badgeConstants.defaultStyle,
value, // for demo purpose only
} = request.query;
try {
await checkPublished();
const requestedMonitorId = parseInt(request.params.id, 10);
// Default duration is 24 (h) if not defined in queryParam, limited to 720h (30d)
const requestedDuration = Math.min(request.params.duration ? parseInt(request.params.duration, 10) : 24, 720);
const overrideValue = value && parseFloat(value);
const publicAvgPing = parseInt(await R.getCell(`
SELECT AVG(ping) FROM monitor_group, \`group\`, heartbeat
WHERE monitor_group.group_id = \`group\`.id
AND heartbeat.time > DATETIME('now', ? || ' hours')
AND heartbeat.ping IS NOT NULL
AND public = 1
AND heartbeat.monitor_id = ?
`,
[ -requestedDuration, requestedMonitorId ]
));
const badgeValues = { style };
if (!publicAvgPing) {
// 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 {
const avgPing = parseInt(overrideValue ?? publicAvgPing);
badgeValues.color = color;
// use a given, custom labelColor or use the default badge label color (defined by badge-maker)
badgeValues.labelColor = labelColor ?? "";
// build a lable string. If a custom label is given, override the default one (requestedDuration)
badgeValues.label = filterAndJoin([ labelPrefix, label ?? requestedDuration, labelSuffix ]);
badgeValues.message = filterAndJoin([ prefix, avgPing, suffix ]);
}
// build the SVG based on given values
const svg = makeBadge(badgeValues);
response.type("image/svg+xml");
response.send(svg);
} catch (error) {
send403(response, error.message);
}
});
async function checkPublished() {
if (! await isPublished()) {
throw new Error("The status page is not published");
}
}
/**
* Default is published
* @returns {Promise<boolean>}
*/
async function isPublished() {
const value = await setting("statusPagePublished");
if (value === null) {
return true;
}
return value;
}
function send403(res, msg = "") {
res.status(403).json({
"status": "fail",
"msg": msg,
});
}
module.exports = router;