Fix webhook signature type guard

Codex Microtask Operator · Codex Microtask Operator · commit 5f331ab549b4 · 2026-06-13T01:45:52.000+02:00
diff --git a/apps/logicsrc-web/src/lib/coinpay.ts b/apps/logicsrc-web/src/lib/coinpay.ts
@@ -117,7 +117,7 @@ export function verifyCoinPayWebhook(
     const parts = signatureHeader.split(",").map((part) => part.trim());
     const timestamp = parts.find((part) => part.startsWith("t="))?.slice(2);
     const signature = parts.find((part) => part.startsWith("v1="))?.slice(3);
-    if (!timestamp || !/^[0-9a-fA-F]{64}$/.test(signature)) {
+    if (!timestamp || !signature || !/^[0-9a-fA-F]{64}$/.test(signature)) {
       return false;
     }
 

Original file line number	Diff line number	Diff line change
`@@ -117,7 +117,7 @@ export function verifyCoinPayWebhook(`
`117`	`117`	`const parts = signatureHeader.split(",").map((part) => part.trim());`
`118`	`118`	`const timestamp = parts.find((part) => part.startsWith("t="))?.slice(2);`
`119`	`119`	`const signature = parts.find((part) => part.startsWith("v1="))?.slice(3);`
`120`		`- if (!timestamp \|\| !/^[0-9a-fA-F]{64}$/.test(signature)) {`
	`120`	`+ if (!timestamp \|\| !signature \|\| !/^[0-9a-fA-F]{64}$/.test(signature)) {`
`121`	`121`	`return false;`
`122`	`122`	`}`
`123`	`123`