2 files changed, 14 insertions, 1 deletions
diff --git a/packages/backend/src/server/api/endpoints/notes/create.ts b/packages/backend/src/server/api/endpoints/notes/create.ts
index 593444968e..f4c5a84a4f 100644
--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@@ -79,6 +79,12 @@ export const meta = {
 			code: 'YOU_HAVE_BEEN_BLOCKED',
 			id: 'b390d7e1-8a5e-46ed-b625-06271cafd3d3',
 		},
+
+		noSuchFile: {
+			message: 'Some files are not found.',
+			code: 'NO_SUCH_FILE',
+			id: 'b6992544-63e7-67f0-fa7f-32444b1b5306',
+		},
 	},
 } as const;
 
@@ -207,6 +213,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 					.orderBy('array_position(ARRAY[:...fileIds], "id"::text)')
 					.setParameters({ fileIds })
 					.getMany();
+
+				if (files.length !== fileIds.length) {
+					throw new ApiError(meta.errors.noSuchFile);
+				}
 			}
 
 			let renote: Note | null = null;
diff --git a/packages/backend/src/server/api/endpoints/notes/featured.ts b/packages/backend/src/server/api/endpoints/notes/featured.ts
index 8eff8fdb22..cf939f6631 100644
--- a/packages/backend/src/server/api/endpoints/notes/featured.ts
+++ b/packages/backend/src/server/api/endpoints/notes/featured.ts
@@ -28,6 +28,7 @@ export const paramDef = {
 	properties: {
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
 		offset: { type: 'integer', default: 0 },
+		channelId: { type: 'string', nullable: true, format: 'misskey:id' },
 	},
 	required: [],
 } as const;
@@ -63,12 +64,14 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 				.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
 				.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
+			if (ps.channelId) query.andWhere('note.channelId = :channelId', { channelId: ps.channelId });
+
 			if (me) this.queryService.generateMutedUserQuery(query, me);
 			if (me) this.queryService.generateBlockedUserQuery(query, me);
 
 			let notes = await query
 				.orderBy('note.score', 'DESC')
-				.take(ps.limit)
+				.take(50)
 				.getMany();
 
 			notes.sort((a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime());