From 01de1519dda0188121d4d1558310beaa24dbe8af Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sat, 17 Feb 2024 14:26:48 +0900
Subject: [PATCH] fix of 9a70ce8f5ea9df00001894809f5ce7bc69b14c8a

Co-Authored-By: RyotaK <49341894+Ry0taK@users.noreply.github.com>
---
 packages/backend/src/core/activitypub/misc/validator.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/backend/src/core/activitypub/misc/validator.ts b/packages/backend/src/core/activitypub/misc/validator.ts
index 6ba14a222f..690beeffef 100644
--- a/packages/backend/src/core/activitypub/misc/validator.ts
+++ b/packages/backend/src/core/activitypub/misc/validator.ts
@@ -20,7 +20,7 @@ export function validateContentTypeSetAsActivityPub(response: Response): void {
 	throw new Error('Validate content type of AP response: Content type is not application/activity+json or application/ld+json');
 }
 
-const plusJsonSuffixRegex = /(application|text)\/[a-zA-Z0-9\.\-\+]+\+json/;
+const plusJsonSuffixRegex = /^\s*(application|text)\/[a-zA-Z0-9\.\-\+]+\+json\s*(;|$)/;
 
 export function validateContentTypeSetAsJsonLD(response: Response): void {
 	const contentType = (response.headers.get('content-type') ?? '').toLowerCase();