Fix timestamp precision in RFC 9421 signatures

dahlia · dahlia · commit 0010f161ead7 · 2025-06-02T21:02:52.000+09:00
Ensure timestamp is truncated to integer seconds to comply with RFC 9421
specification requirements.
diff --git a/fedify/sig/http.ts b/fedify/sig/http.ts
@@ -406,8 +406,8 @@ async function signRequestRfc9421(
   }
 
   // Use provided timestamp or current time
-  const created = (currentTime ?? Temporal.Now.instant()).epochMilliseconds /
-    1000;
+  const created = ((currentTime ?? Temporal.Now.instant()).epochMilliseconds /
+    1000) | 0; // Convert to seconds and truncate to integer
 
   // Define components to include in the signature
   const components = [

Original file line number	Diff line number	Diff line change
`@@ -406,8 +406,8 @@ async function signRequestRfc9421(`
`406`	`406`	`}`
`407`	`407`
`408`	`408`	`// Use provided timestamp or current time`
`409`		`- const created = (currentTime ?? Temporal.Now.instant()).epochMilliseconds /`
`410`		`- 1000;`
	`409`	`+ const created = ((currentTime ?? Temporal.Now.instant()).epochMilliseconds /`
	`410`	`+ 1000) \| 0; // Convert to seconds and truncate to integer`
`411`	`411`
`412`	`412`	`// Define components to include in the signature`
`413`	`413`	`const components = [`