Closer/functions/dist/billing/revenueCatWebhook.js

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"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
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__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.revenueCatWebhook = void 0;
const functions = __importStar(require("firebase-functions"));
const entitlementLogic_1 = require("./entitlementLogic");
/**
* RevenueCat webhook handler.
*
* Path: POST /revenueCatWebhook (registered as an HTTPS function)
* Triggered by RevenueCat server-to-server events.
*
* Security:
* - Real signature verification is intentionally a placeholder. Add Ed25519
* signature verification using process.env.REVENUECAT_SIGNING_KEY before
* shipping to production.
* - The function immediately acknowledges valid-looking events so RevenueCat
* does not retry; downstream failures are logged and should be monitored.
*
* Processing:
* - Parses the RevenueCat event payload.
* - Writes entitlement state to Firestore at users/{userId}/entitlements.
* - Handles TRANSFER, RENEWAL, CANCELLATION, EXPIRATION, and BILLING_ISSUE.
*/
exports.revenueCatWebhook = functions.https.onRequest(async (req, res) => {
var _a;
// Only accept POST requests.
if (req.method !== 'POST') {
res.status(405).json({ error: 'method_not_allowed' });
return;
}
// TODO: verify RevenueCat webhook signature / secret before trusting payload.
// Placeholder verification returns true for now.
const verified = verifyRevenueCatWebhook(req);
if (!verified) {
res.status(401).json({ error: 'unauthorized' });
return;
}
const event = (_a = req.body) === null || _a === void 0 ? void 0 : _a.event;
if (!event || !event.type || !event.app_user_id) {
res.status(400).json({ error: 'malformed_payload' });
return;
}
// Acknowledge immediately to avoid RevenueCat retries.
res.status(200).json({ received: true });
try {
await (0, entitlementLogic_1.applyEntitlementEvent)(event);
}
catch (err) {
console.error('[revenueCatWebhook] entitlement sync failed:', err);
}
});
/**
* Placeholder webhook verification.
* Replace with real Ed25519 signature verification before production.
*/
function verifyRevenueCatWebhook(
// eslint-disable-next-line @typescript-eslint/no-unused-vars
_req) {
return true;
}
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