From ecc033f10140a3b8fc9c8d1446f0946a10924343 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Sat, 9 Aug 2025 17:41:01 +0900
Subject: fix(backend): fix type errors caused by dependency update
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https: //github.com/misskey-dev/misskey/pull/16308
Co-Authored-By: かっこかり <67428053+kakkokari-gtyih@users.noreply.github.com>
---
 packages/backend/package.json                   |  2 +-
 packages/backend/src/core/HttpRequestService.ts | 19 +++++++------------
 2 files changed, 8 insertions(+), 13 deletions(-)

(limited to 'packages')

diff --git a/packages/backend/package.json b/packages/backend/package.json
index 08f2de307e..13ec9a862d 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -118,7 +118,7 @@
 		"feed": "4.2.2",
 		"file-type": "19.6.0",
 		"fluent-ffmpeg": "2.1.3",
-		"form-data": "4.0.3",
+		"form-data": "4.0.4",
 		"got": "14.4.7",
 		"happy-dom": "16.8.1",
 		"hpagent": "1.2.0",
diff --git a/packages/backend/src/core/HttpRequestService.ts b/packages/backend/src/core/HttpRequestService.ts
index e17cab5edf..f7973cbb66 100644
--- a/packages/backend/src/core/HttpRequestService.ts
+++ b/packages/backend/src/core/HttpRequestService.ts
@@ -6,6 +6,7 @@
 import * as http from 'node:http';
 import * as https from 'node:https';
 import * as net from 'node:net';
+import * as stream from 'node:stream';
 import ipaddr from 'ipaddr.js';
 import CacheableLookup from 'cacheable-lookup';
 import fetch from 'node-fetch';
@@ -26,12 +27,6 @@ export type HttpRequestSendOptions = {
 	validators?: ((res: Response) => void)[];
 };
 
-declare module 'node:http' {
-	interface Agent {
-		createConnection(options: net.NetConnectOpts, callback?: (err: Error | null, stream: net.Socket) => void): net.Socket;
-	}
-}
-
 class HttpRequestServiceAgent extends http.Agent {
 	constructor(
 		private config: Config,
@@ -41,11 +36,11 @@ class HttpRequestServiceAgent extends http.Agent {
 	}
 
 	@bindThis
-	public createConnection(options: net.NetConnectOpts, callback?: (err: Error | null, stream: net.Socket) => void): net.Socket {
+	public createConnection(options: http.ClientRequestArgs, callback?: (err: Error | null, stream: stream.Duplex) => void): stream.Duplex {
 		const socket = super.createConnection(options, callback)
 			.on('connect', () => {
-				const address = socket.remoteAddress;
-				if (process.env.NODE_ENV === 'production') {
+				if (socket instanceof net.Socket && process.env.NODE_ENV === 'production') {
+					const address = socket.remoteAddress;
 					if (address && ipaddr.isValid(address)) {
 						if (this.isPrivateIp(address)) {
 							socket.destroy(new Error(`Blocked address: ${address}`));
@@ -80,11 +75,11 @@ class HttpsRequestServiceAgent extends https.Agent {
 	}
 
 	@bindThis
-	public createConnection(options: net.NetConnectOpts, callback?: (err: Error | null, stream: net.Socket) => void): net.Socket {
+	public createConnection(options: http.ClientRequestArgs, callback?: (err: Error | null, stream: stream.Duplex) => void): stream.Duplex {
 		const socket = super.createConnection(options, callback)
 			.on('connect', () => {
-				const address = socket.remoteAddress;
-				if (process.env.NODE_ENV === 'production') {
+				if (socket instanceof net.Socket && process.env.NODE_ENV === 'production') {
+					const address = socket.remoteAddress;
 					if (address && ipaddr.isValid(address)) {
 						if (this.isPrivateIp(address)) {
 							socket.destroy(new Error(`Blocked address: ${address}`));
-- 
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