kill any from streaming API Implementation (#14251)

* chore: add JsonValue type

* refactor: kill any from Connection.ts

* refactor: fix StreamEventEmitter contains undefined instead of null

* refactor: kill any from channels

* docs(changelog): Fix: Steaming APIが不正なデータを受けた場合の動作が不安定である問題

* fix license header

* fix lints

1 files changed, 4 insertions, 2 deletions

diff --git a/packages/backend/src/server/api/stream/channels/channel.ts b/packages/backend/src/server/api/stream/channels/channel.ts
index 140dd3dd9b..7108e0cd6e 100644
--- a/packages/backend/src/server/api/stream/channels/channel.ts
+++ b/packages/backend/src/server/api/stream/channels/channel.ts
@@ -8,6 +8,7 @@ import type { Packed } from '@/misc/json-schema.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { bindThis } from '@/decorators.js';
 import { isRenotePacked, isQuotePacked } from '@/misc/is-renote.js';
+import type { JsonObject } from '@/misc/json-value.js';
 import Channel, { type MiChannelService } from '../channel.js';
 
 class ChannelChannel extends Channel {
@@ -27,8 +28,9 @@ class ChannelChannel extends Channel {
 	}
 
 	@bindThis
-	public async init(params: any) {
-		this.channelId = params.channelId as string;
+	public async init(params: JsonObject) {
+		if (typeof params.channelId !== 'string') return;
+		this.channelId = params.channelId;
 
 		// Subscribe stream
 		this.subscriber.on('notesStream', this.onNote);