From f3a4434830ac4cc2d12f814f880d41ba7b81b87b Mon Sep 17 00:00:00 2001
From: 鴇峰 朔華 <160555157+sakuhanight@users.noreply.github.com>
Date: Sun, 16 Feb 2025 18:41:33 +0900
Subject: fix(backend):
 メールアドレスの形式が正しくなければ以降の処理を行わないように (#15320)
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* Mod: バリデーションを追加

* 条件の修正

notつけわすれ

* Update CHANGELOG.md
---
 packages/backend/src/core/UtilityService.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'packages/backend/src/core/UtilityService.ts')

diff --git a/packages/backend/src/core/UtilityService.ts b/packages/backend/src/core/UtilityService.ts
index fcb750d3bf..23fb928ac9 100644
--- a/packages/backend/src/core/UtilityService.ts
+++ b/packages/backend/src/core/UtilityService.ts
@@ -38,6 +38,14 @@ export class UtilityService {
 		return this.punyHost(uri) === this.toPuny(this.config.host);
 	}
 
+	// メールアドレスのバリデーションを行う
+	// https://html.spec.whatwg.org/multipage/input.html#valid-e-mail-address
+	@bindThis
+	public validateEmailFormat(email: string): boolean {
+		const regexp = /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
+		return regexp.test(email);
+	}
+
 	@bindThis
 	public isBlockedHost(blockedHosts: string[], host: string | null): boolean {
 		if (host == null) return false;
-- 
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