Merge pull request #1513 from louislam/status-page-inject-html

[Status Page] Render title, meta tag or favicon etc. in server side
This commit is contained in:
Louis Lam 2022-06-01 13:25:41 +08:00 committed by GitHub
commit 80094ec4e1
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9 changed files with 438 additions and 168 deletions

197
package-lock.json generated
View file

@ -1,12 +1,12 @@
{
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"version": "1.16.1",
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"requires": true,
"packages": {
"": {
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"version": "1.15.1",
"version": "1.16.1",
"license": "MIT",
"dependencies": {
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@ -25,6 +25,7 @@
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@ -5664,11 +5725,37 @@
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"dev": true,
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"funding": [
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"tslib": "^2.2.0"
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"domutils": "^2.8.0",
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}
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"cssesc": {
"version": "3.0.0",
"resolved": "https://registry.npmjs.org/cssesc/-/cssesc-3.0.0.tgz",
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"parseqs": {
"version": "0.0.6",

View file

@ -76,6 +76,7 @@
"chart.js": "~3.6.2",
"chartjs-adapter-dayjs": "~1.0.0",
"check-password-strength": "^2.0.5",
"cheerio": "^1.0.0-rc.10",
"chroma-js": "^2.1.2",
"command-exists": "~1.2.9",
"compare-versions": "~3.6.0",

View file

@ -1,10 +1,104 @@
const { BeanModel } = require("redbean-node/dist/bean-model");
const { R } = require("redbean-node");
const cheerio = require("cheerio");
const { UptimeKumaServer } = require("../uptime-kuma-server");
class StatusPage extends BeanModel {
/**
* Like this: { "test-uptime.kuma.pet": "default" }
* @type {{}}
*/
static domainMappingList = { };
/**
*
* @param {Response} response
* @param {string} indexHTML
* @param {string} slug
*/
static async handleStatusPageResponse(response, indexHTML, slug) {
let statusPage = await R.findOne("status_page", " slug = ? ", [
slug
]);
if (statusPage) {
response.send(await StatusPage.renderHTML(indexHTML, statusPage));
} else {
response.status(404).send(UptimeKumaServer.getInstance().indexHTML);
}
}
/**
* SSR for status pages
* @param {string} indexHTML
* @param {StatusPage} statusPage
*/
static async renderHTML(indexHTML, statusPage) {
const $ = cheerio.load(indexHTML);
const description155 = statusPage.description.substring(0, 155);
$("title").text(statusPage.title);
$("meta[name=description]").attr("content", description155);
if (statusPage.icon) {
$("link[rel=icon]")
.attr("href", statusPage.icon)
.removeAttr("type");
}
const head = $("head");
// OG Meta Tags
head.append(`<meta property="og:title" content="${statusPage.title}" />`);
head.append(`<meta property="og:description" content="${description155}" />`);
// Preload data
const json = JSON.stringify(await StatusPage.getStatusPageData(statusPage));
head.append(`
<script>
window.preloadData = ${json}
</script>
`);
return $.root().html();
}
/**
* Get all status page data in one call
* @param {StatusPage} statusPage
*/
static async getStatusPageData(statusPage) {
// 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
return {
config: await statusPage.toPublicJSON(),
incident,
publicGroupList
};
}
/**
* Loads domain mapping from DB
* Return object like this: { "test-uptime.kuma.pet": "default" }

View file

@ -1,5 +1,5 @@
let express = require("express");
const { allowDevAllOrigin, allowAllOrigin, percentageToColor, filterAndJoin } = require("../util-server");
const { allowDevAllOrigin, allowAllOrigin, percentageToColor, filterAndJoin, send403 } = require("../util-server");
const { R } = require("redbean-node");
const apicache = require("../modules/apicache");
const Monitor = require("../model/monitor");
@ -99,108 +99,6 @@ router.get("/api/push/:pushToken", async (request, response) => {
}
});
// 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);
@ -377,16 +275,4 @@ router.get("/api/badge/:id/ping/:duration?", cache("5 minutes"), async (request,
}
});
/**
* Send a 403 response
* @param {Object} res Express response object
* @param {string} [msg=""] Message to send
*/
function send403(res, msg = "") {
res.status(403).json({
"status": "fail",
"msg": msg,
});
}
module.exports = router;

View file

@ -0,0 +1,110 @@
let express = require("express");
const apicache = require("../modules/apicache");
const { UptimeKumaServer } = require("../uptime-kuma-server");
const StatusPage = require("../model/status_page");
const { allowDevAllOrigin, send403 } = require("../util-server");
const { R } = require("redbean-node");
const Monitor = require("../model/monitor");
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);
});
// 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) {
return null;
}
let statusPageData = await StatusPage.getStatusPageData(statusPage);
if (!statusPageData) {
response.statusCode = 404;
response.json({
msg: "Not Found"
});
return;
}
// Response
response.json(statusPageData);
} 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);
}
});
module.exports = router;

View file

@ -16,7 +16,7 @@ if (nodeVersion < requiredVersion) {
}
const args = require("args-parser")(process.argv);
const { sleep, log, getRandomInt, genSecret, debug, isDev } = require("../src/util");
const { sleep, log, getRandomInt, genSecret, isDev } = require("../src/util");
const config = require("./config");
log.info("server", "Welcome to Uptime Kuma");
@ -148,22 +148,6 @@ let jwtSecret = null;
*/
let needSetup = false;
/**
* Cache Index HTML
* @type {string}
*/
let indexHTML = "";
try {
indexHTML = fs.readFileSync("./dist/index.html").toString();
} catch (e) {
// "dist/index.html" is not necessary for development
if (process.env.NODE_ENV !== "development") {
log.error("server", "Error: Cannot find 'dist/index.html', did you install correctly?");
process.exit(1);
}
}
(async () => {
Database.init(args);
await initDatabase(testMode);
@ -179,13 +163,17 @@ try {
// Entry Page
app.get("/", async (request, response) => {
debug(`Request Domain: ${request.hostname}`);
log.debug("entry", `Request Domain: ${request.hostname}`);
if (request.hostname in StatusPage.domainMappingList) {
debug("This is a status page domain");
response.send(indexHTML);
log.debug("entry", "This is a status page domain");
let slug = StatusPage.domainMappingList[request.hostname];
await StatusPage.handleStatusPageResponse(response, server.indexHTML, slug);
} else if (exports.entryPage && exports.entryPage.startsWith("statusPage-")) {
response.redirect("/status/" + exports.entryPage.replace("statusPage-", ""));
} else {
response.redirect("/dashboard");
}
@ -227,12 +215,16 @@ try {
const apiRouter = require("./routers/api-router");
app.use(apiRouter);
// Status Page Router
const statusPageRouter = require("./routers/status-page-router");
app.use(statusPageRouter);
// Universal Route Handler, must be at the end of all express routes.
app.get("*", async (_request, response) => {
if (_request.originalUrl.startsWith("/upload/")) {
response.status(404).send("File not found.");
} else {
response.send(indexHTML);
response.send(server.indexHTML);
}
});

View file

@ -29,6 +29,12 @@ class UptimeKumaServer {
httpServer = undefined;
io = undefined;
/**
* Cache Index HTML
* @type {string}
*/
indexHTML = "";
static getInstance(args) {
if (UptimeKumaServer.instance == null) {
UptimeKumaServer.instance = new UptimeKumaServer(args);
@ -55,6 +61,16 @@ class UptimeKumaServer {
this.httpServer = http.createServer(this.app);
}
try {
this.indexHTML = fs.readFileSync("./dist/index.html").toString();
} catch (e) {
// "dist/index.html" is not necessary for development
if (process.env.NODE_ENV !== "development") {
log.error("server", "Error: Cannot find 'dist/index.html', did you install correctly?");
process.exit(1);
}
}
this.io = new Server(this.httpServer);
}

View file

@ -185,7 +185,7 @@ exports.dnsResolve = function (hostname, resolverServer, resolverPort, rrtype) {
// Remove brackets from IPv6 addresses so we can re-add them to
// prevent issues with ::1:5300 (::1 port 5300)
resolverServer = resolverServer.replace("[", "").replace("]", "");
resolver.setServers([`[${resolverServer}]:${resolverPort}`]);
resolver.setServers([ `[${resolverServer}]:${resolverPort}` ]);
return new Promise((resolve, reject) => {
if (rrtype === "PTR") {
resolver.reverse(hostname, (err, records) => {
@ -558,3 +558,15 @@ exports.percentageToColor = (percentage, maxHue = 90, minHue = 10) => {
exports.filterAndJoin = (parts, connector = "") => {
return parts.filter((part) => !!part && part !== "").join(connector);
};
/**
* Send a 403 response
* @param {Object} res Express response object
* @param {string} [msg=""] Message to send
*/
module.exports.send403 = (res, msg = "") => {
res.status(403).json({
"status": "fail",
"msg": msg,
});
};

View file

@ -98,7 +98,7 @@
<h1 class="mb-4 title-flex">
<!-- Logo -->
<span class="logo-wrapper" @click="showImageCropUploadMethod">
<img :src="logoURL" alt class="logo me-2" :class="logoClass" @load="statusPageLogoLoaded" />
<img :src="logoURL" alt class="logo me-2" :class="logoClass" />
<font-awesome-icon v-if="enableEditMode" class="icon-upload" icon="upload" />
</span>
@ -538,7 +538,7 @@ export default {
this.slug = "default";
}
axios.get("/api/status-page/" + this.slug).then((res) => {
this.getData().then((res) => {
this.config = res.data.config;
if (!this.config.domainNameList) {
@ -567,6 +567,21 @@ export default {
},
methods: {
/**
* Get status page data
* It should be preloaded in window.preloadData
* @returns {Promise<any>}
*/
getData: function () {
if (window.preloadData) {
return new Promise(resolve => resolve({
data: window.preloadData
}));
} else {
return axios.get("/api/status-page/" + this.slug);
}
},
highlighter(code) {
return highlight(code, languages.css);
},
@ -687,11 +702,6 @@ export default {
}
},
statusPageLogoLoaded(eventPayload) {
// Remark: may not work in dev, due to CORS
favicon.image(eventPayload.target);
},
createIncident() {
this.enableEditIncidentMode = true;