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Merge pull request from GHSA-mj22-23ff-2hrr

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* WIP

* WIP

* Handle parsing error

* Fix matching origin issue
This commit is contained in:
Louis Lam
2023-12-10 20:39:43 +08:00
committed by GitHub
parent e1147c06aa
commit 2815cc73cf
2 changed files with 41 additions and 2 deletions
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38
server/uptime-kuma-server.js
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@@ -4,7 +4,7 @@ const fs = require("fs");
const http = require("http");
const { Server } = require("socket.io");
const { R } = require("redbean-node");
const { log } = require("../src/util");
const { log, isDev } = require("../src/util");
const Database = require("./database");
const util = require("util");
const { CacheableDnsHttpAgent } = require("./cacheable-dns-http-agent");
@@ -103,7 +103,41 @@ class UptimeKumaServer {
UptimeKumaServer.monitorTypeList["real-browser"] = new RealBrowserMonitorType();
UptimeKumaServer.monitorTypeList["tailscale-ping"] = new TailscalePing();
this.io = new Server(this.httpServer);
this.io = new Server(this.httpServer, {
allowRequest: (req, callback) => {
let isOriginValid = true;
const bypass = isDev || process.env.UPTIME_KUMA_WS_ORIGIN_CHECK === "bypass";
if (!bypass) {
let host = req.headers.host;
// If this is set, it means the request is from the browser
let origin = req.headers.origin;
// If this is from the browser, check if the origin is allowed
if (origin) {
try {
let originURL = new URL(origin);
if (host !== originURL.host) {
isOriginValid = false;
log.error("auth", `Origin (${origin}) does not match host (${host}), IP: ${req.socket.remoteAddress}`);
}
} catch (e) {
// Invalid origin url, probably not from browser
isOriginValid = false;
log.error("auth", `Invalid origin url (${origin}), IP: ${req.socket.remoteAddress}`);
}
} else {
log.info("auth", `Origin is not set, IP: ${req.socket.remoteAddress}`);
}
} else {
log.debug("auth", "Origin check is bypassed");
}
callback(null, isOriginValid);
}
});
}
/** Initialise app after the database has been set up */