From 748547fbb4f48a14df1f752a530c3d8a011f7264 Mon Sep 17 00:00:00 2001
From: tamaina <tamaina@hotmail.co.jp>
Date: Sat, 25 Dec 2021 02:01:35 +0900
Subject: [PATCH] Truncate push notification message (#8089)

* Truncate push notification message

* fix
---
 .../backend/src/services/push-notification.ts | 27 ++++++++++++++++++-
 .../client/src/sw/compose-notification.ts     | 13 +++++----
 2 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/packages/backend/src/services/push-notification.ts b/packages/backend/src/services/push-notification.ts
index 616bc7441..2133768a9 100644
--- a/packages/backend/src/services/push-notification.ts
+++ b/packages/backend/src/services/push-notification.ts
@@ -3,10 +3,33 @@ import config from '@/config/index';
 import { SwSubscriptions } from '@/models/index';
 import { fetchMeta } from '@/misc/fetch-meta';
 import { Packed } from '@/misc/schema';
+import { getNoteSummary } from '@/misc/get-note-summary';
 
 type notificationType = 'notification' | 'unreadMessagingMessage';
 type notificationBody = Packed<'Notification'> | Packed<'MessagingMessage'>;
 
+// プッシュメッセージサーバーには文字数制限があるため、内容を削減します
+function truncateNotification(notification: Packed<'Notification'>): any {
+	if (notification.note) {
+		return {
+			...notification,
+			note: {
+				...notification.note,
+				// textをgetNoteSummaryしたものに置き換える
+				text: getNoteSummary(notification.type === 'renote' ? notification.note.renote as Packed<'Note'> : notification.note),
+				...{
+					cw: undefined,
+					reply: undefined,
+					renote: undefined,
+					user: undefined as any, // 通知を受け取ったユーザーである場合が多いのでこれも捨てる
+				}
+			}
+		};
+	}
+
+	return notification;
+}
+
 export default async function(userId: string, type: notificationType, body: notificationBody) {
 	const meta = await fetchMeta();
 
@@ -32,7 +55,9 @@ export default async function(userId: string, type: notificationType, body: noti
 		};
 
 		push.sendNotification(pushSubscription, JSON.stringify({
-			type, body,
+			type,
+			body: type === 'notification' ? truncateNotification(body as Packed<'Notification'>) : body,
+			userId,
 		}), {
 			proxy: config.proxy,
 		}).catch((err: any) => {
diff --git a/packages/client/src/sw/compose-notification.ts b/packages/client/src/sw/compose-notification.ts
index 0aed9610e..10bd27c9e 100644
--- a/packages/client/src/sw/compose-notification.ts
+++ b/packages/client/src/sw/compose-notification.ts
@@ -3,7 +3,6 @@
  */
 declare var self: ServiceWorkerGlobalScope;
 
-import { getNoteSummary } from '@/scripts/get-note-summary';
 import * as misskey from 'misskey-js';
 
 function getUserName(user: misskey.entities.User): string {
@@ -26,37 +25,37 @@ export default async function(type, data, i18n): Promise<[string, NotificationOp
 			switch (data.type) {
 				case 'mention':
 					return [i18n.t('_notification.youGotMention', { name: getUserName(data.user) }), {
-						body: getNoteSummary(data.note, i18n.locale),
+						body: data.note.text,
 						icon: data.user.avatarUrl
 					}];
 
 				case 'reply':
 					return [i18n.t('_notification.youGotReply', { name: getUserName(data.user) }), {
-						body: getNoteSummary(data.note, i18n.locale),
+						body: data.note.text,
 						icon: data.user.avatarUrl
 					}];
 
 				case 'renote':
 					return [i18n.t('_notification.youRenoted', { name: getUserName(data.user) }), {
-						body: getNoteSummary(data.note, i18n.locale),
+						body: data.note.text,
 						icon: data.user.avatarUrl
 					}];
 
 				case 'quote':
 					return [i18n.t('_notification.youGotQuote', { name: getUserName(data.user) }), {
-						body: getNoteSummary(data.note, i18n.locale),
+						body: data.note.text,
 						icon: data.user.avatarUrl
 					}];
 
 				case 'reaction':
 					return [`${data.reaction} ${getUserName(data.user)}`, {
-						body: getNoteSummary(data.note, i18n.locale),
+						body: data.note.text,
 						icon: data.user.avatarUrl
 					}];
 
 				case 'pollVote':
 					return [i18n.t('_notification.youGotPoll', { name: getUserName(data.user) }), {
-						body: getNoteSummary(data.note, i18n.locale),
+						body: data.note.text,
 						icon: data.user.avatarUrl
 					}];