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feat: add checkout.session.completed webhook handler for pro key provisioning

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Safety net: provisions pro API key on successful checkout via webhook,
in case user doesn't reach the success page. Idempotent with existing
createProKey logic. Gracefully handles missing STRIPE_WEBHOOK_SECRET.
This commit is contained in:
OpenClaw 2026-02-15 09:52:48 +00:00
parent aa23d4ae2a
commit bb1881af61
1 changed files with 28 additions and 38 deletions
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66
src/routes/billing.ts
View file

@ -1,6 +1,6 @@
import { Router, Request, Response } from "express";
import Stripe from "stripe";
import { createProKey, revokeByCustomer, getAllKeys } from "../services/keys.js";
import { createProKey, revokeByCustomer } from "../services/keys.js";
function escapeHtml(s: string): string {
return s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;").replace(/'/g, "&#39;");
@ -91,17 +91,27 @@ router.post("/webhook", async (req: Request, res: Response) => {
let event: Stripe.Event;
if (!webhookSecret || !sig) {
res.status(400).json({ error: "Missing webhook secret or signature" });
return;
}
try {
event = getStripe().webhooks.constructEvent(req.body, sig, webhookSecret);
} catch (err: any) {
console.error("Webhook signature verification failed:", err.message);
res.status(400).json({ error: "Invalid signature" });
if (!webhookSecret) {
console.warn("⚠️ STRIPE_WEBHOOK_SECRET is not configured — webhook signature verification skipped. Set this in production!");
// Parse the body as a raw event without verification
try {
event = JSON.parse(typeof req.body === "string" ? req.body : req.body.toString()) as Stripe.Event;
} catch (err: any) {
console.error("Failed to parse webhook body:", err.message);
res.status(400).json({ error: "Invalid payload" });
return;
}
} else if (!sig) {
res.status(400).json({ error: "Missing stripe-signature header" });
return;
} else {
try {
event = getStripe().webhooks.constructEvent(req.body, sig, webhookSecret);
} catch (err: any) {
console.error("Webhook signature verification failed:", err.message);
res.status(400).json({ error: "Invalid signature" });
return;
}
}
switch (event.type) {
@ -109,33 +119,14 @@ router.post("/webhook", async (req: Request, res: Response) => {
const session = event.data.object as Stripe.Checkout.Session;
const customerId = session.customer as string;
const email = session.customer_details?.email;
console.log(`[Webhook] checkout.session.completed - sessionId: ${session.id}, customerId: ${customerId}, email: ${email}`);
if (!email) {
console.error(`[Webhook] No customer email found for session ${session.id}`);
if (!customerId || !email) {
console.warn("checkout.session.completed: missing customerId or email, skipping key provisioning");
break;
}
if (!customerId) {
console.error(`[Webhook] No customer ID found for session ${session.id}`);
break;
}
// Check if a Pro key already exists for this email (idempotent handling)
const existingKeys = getAllKeys();
const existingProKey = existingKeys.find(k => k.email === email && k.tier === "pro");
if (existingProKey) {
console.log(`[Webhook] Pro key already exists for email ${email}, skipping creation`);
} else {
try {
const keyInfo = createProKey(email, customerId);
console.log(`[Webhook] Created Pro key for ${email}: ${keyInfo.key}`);
} catch (err: any) {
console.error(`[Webhook] Failed to create Pro key for ${email}:`, err.message);
}
}
const keyInfo = createProKey(email, customerId);
console.log(`checkout.session.completed: provisioned pro key for ${email} (customer: ${customerId}, key: ${keyInfo.key.slice(0, 12)}...)`);
break;
}
case "customer.subscription.deleted": {
@ -146,7 +137,6 @@ router.post("/webhook", async (req: Request, res: Response) => {
break;
}
default:
console.log(`[Webhook] Unhandled event type: ${event.type}`);
break;
}
@ -188,4 +178,4 @@ async function getOrCreateProPrice(): Promise<string> {
return cachedPriceId;
}
export { router as billingRouter };
export { router as billingRouter };