From 01bdf15a1fbaf013c53586a4e97406968c62ee41 Mon Sep 17 00:00:00 2001
From: mei23 <m@m544.net>
Date: Sat, 4 Jan 2020 22:48:08 +0900
Subject: [PATCH] Resolve #544

---
 src/server/api/endpoints/users/search.ts | 33 +++++++++++++++++++++---
 1 file changed, 30 insertions(+), 3 deletions(-)

diff --git a/src/server/api/endpoints/users/search.ts b/src/server/api/endpoints/users/search.ts
index fc8443c97a63..8eea21a04c3c 100644
--- a/src/server/api/endpoints/users/search.ts
+++ b/src/server/api/endpoints/users/search.ts
@@ -3,6 +3,8 @@ import * as escapeRegexp from 'escape-regexp';
 import User, { pack, validateUsername, IUser } from '../../../../models/user';
 import define from '../../define';
 import { toDbHost } from '../../../../misc/convert-host';
+import Instance from '../../../../models/instance';
+import { concat } from '../../../../prelude/array';
 
 export const meta = {
 	desc: {
@@ -69,9 +71,27 @@ export default define(meta, async (ps, me) => {
 
 	let users: IUser[] = [];
 
+	// 隠すインスタンス
+	const hideInstances = await Instance.find({
+		$or: [
+			{ isMarkedAsClosed: true },
+			{ isBlocked: true }
+		]
+	}, {
+		fields: {
+			host: true
+		}
+	});
+
+	// 隠すホスト
+	const hideHosts = hideInstances.map(x => toDbHost(x.host));
+	const hideHostsForRemote = concat([hideHosts, [null]]);
+
+	// 表示名
 	if (isName) {
 		const name = ps.query.replace(/^-/, '');
 
+		// local
 		users = await User
 			.find({
 				host: null,
@@ -83,9 +103,10 @@ export default define(meta, async (ps, me) => {
 			});
 
 		if (users.length < ps.limit && !ps.localOnly) {
+			// try remote
 			const otherUsers = await User
 				.find({
-					host: { $ne: null },
+					host: { $nin: hideHostsForRemote },
 					name: new RegExp('^' + escapeRegexp(name), 'i'),
 					isSuspended: { $ne: true }
 				}, {
@@ -94,10 +115,13 @@ export default define(meta, async (ps, me) => {
 
 			users = users.concat(otherUsers);
 		}
+	// ユーザー名
 	} else if (isUsername) {
+		// まず、username (local/remote) の完全一致でアクティブ順
 		if (users.length < ps.limit && !ps.localOnly) {
 			users = await User
 				.find({
+						host: { $nin: hideHosts },
 						usernameLower: ps.query.replace('@', '').toLowerCase(),
 						isSuspended: { $ne: true }
 					}, {
@@ -109,6 +133,7 @@ export default define(meta, async (ps, me) => {
 
 		const ids = users.map(user => user._id);
 
+		// 足りなかったら、username (local) の前方一致でid順
 		if (users.length < ps.limit) {
 			const otherUsers = await User
 				.find({
@@ -122,13 +147,14 @@ export default define(meta, async (ps, me) => {
 				});
 
 				users = users.concat(otherUsers);
-			}
+		}
 
+		// 足りなかったら、username (remote) の前方一致でid順
 		if (users.length < ps.limit && !ps.localOnly) {
 			const otherUsers = await User
 				.find({
 					_id: { $nin: ids },
-					host: { $ne: null },
+					host: { $nin: hideHostsForRemote },
 					usernameLower: new RegExp('^' + escapeRegexp(ps.query.replace('@', '').toLowerCase())),
 					isSuspended: { $ne: true }
 				}, {
@@ -138,6 +164,7 @@ export default define(meta, async (ps, me) => {
 
 			users = users.concat(otherUsers);
 		}
+	// ホスト名
 	} else if (isHostname) {
 		users = await User
 		.find({