tiennm99/claude-status-webhook
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feat: notify admin via Telegram on webhook errors

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Send error details to ADMIN_CHAT_ID (optional secret) whenever the
statuspage webhook handler hits an error path. Uses waitUntil() so
the notification never blocks the 200 response.
This commit is contained in:
tiennm99
2026-04-13 22:50:27 +07:00
parent 3857c1e16f
commit 62bf203c22
6 changed files with 69 additions and 10 deletions
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34
src/statuspage-webhook.js
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@@ -1,6 +1,7 @@
import { getSubscribersByType } from "./kv-store.js";
import { humanizeStatus, escapeHtml } from "./status-fetcher.js";
import { timingSafeEqual } from "./crypto-utils.js";
import { notifyAdmin } from "./admin-notifier.js";
/**
* Format incident event as Telegram HTML message
@@ -42,13 +43,17 @@ export async function handleStatuspageWebhook(c) {
// Validate URL secret (timing-safe)
// Guard against misconfigured deploy (undefined env var)
if (!c.env.WEBHOOK_SECRET) {
console.error(JSON.stringify({ event: "webhook_error", reason: "WEBHOOK_SECRET not configured" }));
const reason = "WEBHOOK_SECRET not configured";
console.error(JSON.stringify({ event: "webhook_error", reason }));
c.executionCtx.waitUntil(notifyAdmin(c.env, reason));
return c.text("OK", 200);
}
const secret = c.req.param("secret");
if (!await timingSafeEqual(secret, c.env.WEBHOOK_SECRET)) {
console.error(JSON.stringify({ event: "webhook_error", reason: "invalid_secret" }));
const reason = "invalid_secret";
console.error(JSON.stringify({ event: "webhook_error", reason }));
c.executionCtx.waitUntil(notifyAdmin(c.env, reason));
return c.text("OK", 200);
}
@@ -57,13 +62,18 @@ export async function handleStatuspageWebhook(c) {
try {
body = await c.req.json();
} catch {
console.error(JSON.stringify({ event: "webhook_error", reason: "invalid_json" }));
const reason = "invalid_json";
console.error(JSON.stringify({ event: "webhook_error", reason }));
c.executionCtx.waitUntil(notifyAdmin(c.env, reason));
return c.text("OK", 200);
}
const eventType = body?.meta?.event_type;
if (!eventType) {
console.error(JSON.stringify({ event: "webhook_error", reason: "missing_event_type" }));
const reason = "missing_event_type";
const details = { keys: Object.keys(body || {}), meta: body?.meta ?? null };
console.error(JSON.stringify({ level: "error", event: "webhook_error", reason, ...details }));
c.executionCtx.waitUntil(notifyAdmin(c.env, reason, details));
return c.text("OK", 200);
}
@@ -73,21 +83,27 @@ export async function handleStatuspageWebhook(c) {
let category, html, componentName;
if (eventType.startsWith("incident.")) {
if (!body.incident) {
console.error(JSON.stringify({ event: "webhook_error", reason: "missing_incident_data", eventType }));
const reason = "missing_incident_data";
console.error(JSON.stringify({ event: "webhook_error", reason, eventType }));
c.executionCtx.waitUntil(notifyAdmin(c.env, reason, { eventType }));
return c.text("OK", 200);
}
category = "incident";
html = formatIncidentMessage(body.incident);
} else if (eventType.startsWith("component.")) {
if (!body.component) {
console.error(JSON.stringify({ event: "webhook_error", reason: "missing_component_data", eventType }));
const reason = "missing_component_data";
console.error(JSON.stringify({ event: "webhook_error", reason, eventType }));
c.executionCtx.waitUntil(notifyAdmin(c.env, reason, { eventType }));
return c.text("OK", 200);
}
category = "component";
componentName = body.component.name || null;
html = formatComponentMessage(body.component, body.component_update);
} else {
console.error(JSON.stringify({ event: "webhook_error", reason: "unknown_event_type", eventType }));
const reason = "unknown_event_type";
console.error(JSON.stringify({ event: "webhook_error", reason, eventType }));
c.executionCtx.waitUntil(notifyAdmin(c.env, reason, { eventType }));
return c.text("OK", 200);
}
@@ -106,7 +122,9 @@ export async function handleStatuspageWebhook(c) {
return c.text("OK", 200);
} catch (err) {
// Catch-all: log error but still return 200 to prevent Statuspage from removing us
console.error(JSON.stringify({ event: "webhook_error", reason: "unexpected", error: err.message }));
const reason = "unexpected";
console.error(JSON.stringify({ event: "webhook_error", reason, error: err.message }));
c.executionCtx.waitUntil(notifyAdmin(c.env, reason, { error: err.message }));
return c.text("OK", 200);
}
}