ID生成に使われるcreatedAtの低限を設定

src/remote/activitypub/kernel/announce/note.ts

@@ -54,7 +54,7 @@ export default async function(resolver: Resolver, actor: IRemoteUser, activity:
 		const activityAudience = await parseAudience(actor, activity.to, activity.cc);
 
 		await post(actor, {
-			createdAt: parseDateWithLimit(activity.published, 600 * 1000) || new Date(),
+			createdAt: parseDateWithLimit(activity.published) || new Date(),
 			renote,
 			visibility: activityAudience.visibility,
 			visibleUsers: activityAudience.visibleUsers,

src/remote/activitypub/misc/date.ts

@@ -1,13 +1,16 @@
+const TIME2000 = 946684800000;
+
 export function parseDate(input: unknown): Date | null {
 	if (typeof input !== 'string') return null;
 	const date = new Date(input);
 	if (date.toString() === 'Invalid Date') return null;
 	return date;
 }
 
-export function parseDateWithLimit(input: unknown, positiveMs: number): Date | null {
+export function parseDateWithLimit(input: unknown, positiveMs = 1000 * 60 * 10, minValue = TIME2000): Date | null {
 	const date = parseDate(input);
 	if (date == null) return null;
 	if (date.getTime() - Date.now() > positiveMs) return null;
+	if (minValue > date.getTime()) return null;
 	return date;
 }

src/remote/activitypub/models/note.ts

@@ -163,7 +163,7 @@ export async function createNote(value: string | IObject, resolver?: Resolver |
 	}
 
 	return await post(actor, {
-		createdAt: parseDateWithLimit(note.published, 600 * 1000) || new Date(),
+		createdAt: parseDateWithLimit(note.published) || new Date(),
 		files,
 		reply,
 		renote: quote,