Merge branch 'misskey-develop' into merge/2025-03-24

24 files changed, 147 insertions, 111 deletions

diff --git a/packages/backend/src/core/QueryService.ts b/packages/backend/src/core/QueryService.ts
index c4feeaf971..412ab33b3f 100644
--- a/packages/backend/src/core/QueryService.ts
+++ b/packages/backend/src/core/QueryService.ts
@@ -69,7 +69,7 @@ export class QueryService {
 
 	// ここでいうBlockedは被Blockedの意
 	@bindThis
-	public generateBlockedUserQuery(q: SelectQueryBuilder<any>, me: { id: MiUser['id'] }): void {
+	public generateBlockedUserQueryForNotes(q: SelectQueryBuilder<any>, me: { id: MiUser['id'] }): void {
 		const blockingQuery = this.blockingsRepository.createQueryBuilder('blocking')
 			.select('blocking.blockerId')
 			.where('blocking.blockeeId = :blockeeId', { blockeeId: me.id });
@@ -127,7 +127,7 @@ export class QueryService {
 	}
 
 	@bindThis
-	public generateMutedUserQuery(q: SelectQueryBuilder<any>, me: { id: MiUser['id'] }, exclude?: { id: MiUser['id'] }): void {
+	public generateMutedUserQueryForNotes(q: SelectQueryBuilder<any>, me: { id: MiUser['id'] }, exclude?: { id: MiUser['id'] }): void {
 		const mutingQuery = this.mutingsRepository.createQueryBuilder('muting')
 			.select('muting.muteeId')
 			.where('muting.muterId = :muterId', { muterId: me.id });
diff --git a/packages/backend/src/core/SearchService.ts b/packages/backend/src/core/SearchService.ts
index 4782a6c7b0..e17677bcb5 100644
--- a/packages/backend/src/core/SearchService.ts
+++ b/packages/backend/src/core/SearchService.ts
@@ -300,8 +300,8 @@ export class SearchService {
 		}
 
 		this.queryService.generateVisibilityQuery(query, me);
-		if (me) this.queryService.generateMutedUserQuery(query, me);
-		if (me) this.queryService.generateBlockedUserQuery(query, me);
+		if (me) this.queryService.generateMutedUserQueryForNotes(query, me);
+		if (me) this.queryService.generateBlockedUserQueryForNotes(query, me);
 
 		return await query.limit(pagination.limit).getMany();
 	}
diff --git a/packages/backend/src/core/UserSearchService.ts b/packages/backend/src/core/UserSearchService.ts
index 0d03cf6ee0..4be7bd9bdb 100644
--- a/packages/backend/src/core/UserSearchService.ts
+++ b/packages/backend/src/core/UserSearchService.ts
@@ -6,7 +6,7 @@
 import { Inject, Injectable } from '@nestjs/common';
 import { Brackets, SelectQueryBuilder } from 'typeorm';
 import { DI } from '@/di-symbols.js';
-import { type FollowingsRepository, MiUser, type UsersRepository } from '@/models/_.js';
+import { type FollowingsRepository, MiUser, type MutingsRepository, type UserProfilesRepository, type UsersRepository } from '@/models/_.js';
 import { bindThis } from '@/decorators.js';
 import { sqlLikeEscape } from '@/misc/sql-like-escape.js';
 import type { Config } from '@/config.js';
@@ -22,10 +22,19 @@ export class UserSearchService {
 	constructor(
 		@Inject(DI.config)
 		private config: Config,
+
 		@Inject(DI.usersRepository)
 		private usersRepository: UsersRepository,
+
+		@Inject(DI.userProfilesRepository)
+		private userProfilesRepository: UserProfilesRepository,
+
 		@Inject(DI.followingsRepository)
 		private followingsRepository: FollowingsRepository,
+
+		@Inject(DI.mutingsRepository)
+		private mutingsRepository: MutingsRepository,
+
 		private userEntityService: UserEntityService,
 	) {
 	}
@@ -58,7 +67,7 @@ export class UserSearchService {
 	 * @see {@link UserSearchService#buildSearchUserNoLoginQueries}
 	 */
 	@bindThis
-	public async search(
+	public async searchByUsernameAndHost(
 		params: {
 			username?: string | null,
 			host?: string | null,
@@ -202,4 +211,91 @@ export class UserSearchService {
 
 		return userQuery;
 	}
+
+	@bindThis
+	public async search(query: string, meId: MiUser['id'] | null, options: Partial<{
+		limit: number;
+		offset: number;
+		origin: 'local' | 'remote' | 'combined';
+	}> = {}) {
+		const activeThreshold = new Date(Date.now() - (1000 * 60 * 60 * 24 * 30)); // 30日
+
+		const isUsername = query.startsWith('@') && !query.includes(' ') && query.indexOf('@', 1) === -1;
+
+		let users: MiUser[] = [];
+
+		const mutingQuery = meId == null ? null : this.mutingsRepository.createQueryBuilder('muting')
+			.select('muting.muteeId')
+			.where('muting.muterId = :muterId', { muterId: meId });
+
+		const nameQuery = this.usersRepository.createQueryBuilder('user')
+			.where(new Brackets(qb => {
+				qb.where('user.name ILIKE :query', { query: '%' + sqlLikeEscape(query) + '%' });
+
+				if (isUsername) {
+					qb.orWhere('user.usernameLower LIKE :username', { username: sqlLikeEscape(query.replace('@', '').toLowerCase()) + '%' });
+				} else if (this.userEntityService.validateLocalUsername(query)) { // Also search username if it qualifies as username
+					qb.orWhere('user.usernameLower LIKE :username', { username: '%' + sqlLikeEscape(query.toLowerCase()) + '%' });
+				}
+			}))
+			.andWhere(new Brackets(qb => {
+				qb
+					.where('user.updatedAt IS NULL')
+					.orWhere('user.updatedAt > :activeThreshold', { activeThreshold: activeThreshold });
+			}))
+			.andWhere('user.isSuspended = FALSE');
+
+		if (mutingQuery) {
+			nameQuery.andWhere(`user.id NOT IN (${mutingQuery.getQuery()})`);
+			nameQuery.setParameters(mutingQuery.getParameters());
+		}
+
+		if (options.origin === 'local') {
+			nameQuery.andWhere('user.host IS NULL');
+		} else if (options.origin === 'remote') {
+			nameQuery.andWhere('user.host IS NOT NULL');
+		}
+
+		users = await nameQuery
+			.orderBy('user.updatedAt', 'DESC', 'NULLS LAST')
+			.limit(options.limit)
+			.offset(options.offset)
+			.getMany();
+
+		if (users.length < (options.limit ?? 30)) {
+			const profQuery = this.userProfilesRepository.createQueryBuilder('prof')
+				.select('prof.userId')
+				.where('prof.description ILIKE :query', { query: '%' + sqlLikeEscape(query) + '%' });
+
+			if (mutingQuery) {
+				profQuery.andWhere(`prof.userId NOT IN (${mutingQuery.getQuery()})`);
+				profQuery.setParameters(mutingQuery.getParameters());
+			}
+
+			if (options.origin === 'local') {
+				profQuery.andWhere('prof.userHost IS NULL');
+			} else if (options.origin === 'remote') {
+				profQuery.andWhere('prof.userHost IS NOT NULL');
+			}
+
+			const userQuery = this.usersRepository.createQueryBuilder('user')
+				.where(`user.id IN (${ profQuery.getQuery() })`)
+				.andWhere(new Brackets(qb => {
+					qb
+						.where('user.updatedAt IS NULL')
+						.orWhere('user.updatedAt > :activeThreshold', { activeThreshold: activeThreshold });
+				}))
+				.andWhere('user.isSuspended = FALSE')
+				.setParameters(profQuery.getParameters());
+
+			users = users.concat(await userQuery
+				.orderBy('user.updatedAt', 'DESC', 'NULLS LAST')
+				.limit(options.limit)
+				.offset(options.offset)
+				.getMany(),
+			);
+		}
+
+		return users;
+	}
 }
diff --git a/packages/backend/src/core/WebhookTestService.ts b/packages/backend/src/core/WebhookTestService.ts
index 8d2e181aa5..3e89595155 100644
--- a/packages/backend/src/core/WebhookTestService.ts
+++ b/packages/backend/src/core/WebhookTestService.ts
@@ -482,6 +482,7 @@ export class WebhookTestService {
 			followersVisibility: 'public',
 			followingVisibility: 'public',
 			chatScope: 'mutual',
+			canChat: true,
 			twoFactorEnabled: false,
 			usePasswordLessLogin: false,
 			securityKeys: false,
diff --git a/packages/backend/src/core/entities/UserEntityService.ts b/packages/backend/src/core/entities/UserEntityService.ts
index cfcf10a0f4..2dc2c50e4a 100644
--- a/packages/backend/src/core/entities/UserEntityService.ts
+++ b/packages/backend/src/core/entities/UserEntityService.ts
@@ -664,6 +664,7 @@ export class UserEntityService implements OnModuleInit {
 				followersVisibility: profile!.followersVisibility,
 				followingVisibility: profile!.followingVisibility,
 				chatScope: user.chatScope,
+				canChat: this.roleService.getUserPolicies(user.id).then(r => r.canChat),
 				roles: this.roleService.getUserRoles(user.id).then(roles => roles.filter(role => role.isPublic).sort((a, b) => b.displayOrder - a.displayOrder).map(role => ({
 					id: role.id,
 					name: role.name,
diff --git a/packages/backend/src/models/json-schema/user.ts b/packages/backend/src/models/json-schema/user.ts
index e6f85afcce..964a179244 100644
--- a/packages/backend/src/models/json-schema/user.ts
+++ b/packages/backend/src/models/json-schema/user.ts
@@ -423,6 +423,10 @@ export const packedUserDetailedNotMeOnlySchema = {
 			nullable: false, optional: false,
 			enum: ['everyone', 'following', 'followers', 'mutual', 'none'],
 		},
+		canChat: {
+			type: 'boolean',
+			nullable: false, optional: false,
+		},
 		roles: {
 			type: 'array',
 			nullable: false, optional: false,
diff --git a/packages/backend/src/server/api/endpoints/antennas/notes.ts b/packages/backend/src/server/api/endpoints/antennas/notes.ts
index 8ad2315209..00448297fb 100644
--- a/packages/backend/src/server/api/endpoints/antennas/notes.ts
+++ b/packages/backend/src/server/api/endpoints/antennas/notes.ts
@@ -115,8 +115,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser');
 
 			this.queryService.generateVisibilityQuery(query, me);
-			this.queryService.generateMutedUserQuery(query, me);
-			this.queryService.generateBlockedUserQuery(query, me);
+			this.queryService.generateMutedUserQueryForNotes(query, me);
+			this.queryService.generateBlockedUserQueryForNotes(query, me);
 
 			const notes = await query.getMany();
 			if (sinceId != null && untilId == null) {
diff --git a/packages/backend/src/server/api/endpoints/channels/timeline.ts b/packages/backend/src/server/api/endpoints/channels/timeline.ts
index 0bd01d712c..5fc0ae00b2 100644
--- a/packages/backend/src/server/api/endpoints/channels/timeline.ts
+++ b/packages/backend/src/server/api/endpoints/channels/timeline.ts
@@ -138,8 +138,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			.leftJoinAndSelect('note.channel', 'channel');
 
 		if (me) {
-			this.queryService.generateMutedUserQuery(query, me);
-			this.queryService.generateBlockedUserQuery(query, me);
+			this.queryService.generateMutedUserQueryForNotes(query, me);
+			this.queryService.generateBlockedUserQueryForNotes(query, me);
 		}
 
 		if (ps.withRenotes === false) {
diff --git a/packages/backend/src/server/api/endpoints/clips/notes.ts b/packages/backend/src/server/api/endpoints/clips/notes.ts
index 6175c4d0e5..69ff45a1c6 100644
--- a/packages/backend/src/server/api/endpoints/clips/notes.ts
+++ b/packages/backend/src/server/api/endpoints/clips/notes.ts
@@ -93,8 +93,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			if (me) {
 				this.queryService.generateVisibilityQuery(query, me);
-				this.queryService.generateMutedUserQuery(query, me);
-				this.queryService.generateBlockedUserQuery(query, me);
+				this.queryService.generateMutedUserQueryForNotes(query, me);
+				this.queryService.generateBlockedUserQueryForNotes(query, me);
 			}
 
 			const notes = await query
diff --git a/packages/backend/src/server/api/endpoints/notes/children.ts b/packages/backend/src/server/api/endpoints/notes/children.ts
index e69ba9be7e..c97a0c0bc7 100644
--- a/packages/backend/src/server/api/endpoints/notes/children.ts
+++ b/packages/backend/src/server/api/endpoints/notes/children.ts
@@ -80,7 +80,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			this.queryService.generateVisibilityQuery(query, me);
 			if (me) {
-				this.queryService.generateBlockedUserQuery(query, me);
+				this.queryService.generateMutedUserQueryForNotes(query, me);
+				this.queryService.generateBlockedUserQueryForNotes(query, me);
 			}
 
 			const notes = await query.limit(ps.limit).getMany();
diff --git a/packages/backend/src/server/api/endpoints/notes/global-timeline.ts b/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
index 0f2592bd78..efecf0b3c1 100644
--- a/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
@@ -94,8 +94,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser');
 
 			if (me) {
-				this.queryService.generateMutedUserQuery(query, me);
-				this.queryService.generateBlockedUserQuery(query, me);
+				this.queryService.generateMutedUserQueryForNotes(query, me);
+				this.queryService.generateBlockedUserQueryForNotes(query, me);
 				this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
 			}
 
diff --git a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
index 3c66154e19..b0e3327411 100644
--- a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
@@ -254,8 +254,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		}
 
 		this.queryService.generateVisibilityQuery(query, me);
-		this.queryService.generateMutedUserQuery(query, me);
-		this.queryService.generateBlockedUserQuery(query, me);
+		this.queryService.generateMutedUserQueryForNotes(query, me);
+		this.queryService.generateBlockedUserQueryForNotes(query, me);
 		this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
 
 		if (ps.includeMyRenotes === false) {
diff --git a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
index 1f986079c2..864592ed9b 100644
--- a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
@@ -167,8 +167,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			.leftJoinAndSelect('renote.user', 'renoteUser');
 
 		this.queryService.generateVisibilityQuery(query, me);
-		if (me) this.queryService.generateMutedUserQuery(query, me);
-		if (me) this.queryService.generateBlockedUserQuery(query, me);
+		if (me) this.queryService.generateMutedUserQueryForNotes(query, me);
+		if (me) this.queryService.generateBlockedUserQueryForNotes(query, me);
 		if (me) this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
 
 		if (ps.withFiles) {
diff --git a/packages/backend/src/server/api/endpoints/notes/mentions.ts b/packages/backend/src/server/api/endpoints/notes/mentions.ts
index 30baa0edf8..bfcd120f49 100644
--- a/packages/backend/src/server/api/endpoints/notes/mentions.ts
+++ b/packages/backend/src/server/api/endpoints/notes/mentions.ts
@@ -78,9 +78,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser');
 
 			this.queryService.generateVisibilityQuery(query, me);
-			this.queryService.generateMutedUserQuery(query, me);
+			this.queryService.generateMutedUserQueryForNotes(query, me);
 			this.queryService.generateMutedNoteThreadQuery(query, me);
-			this.queryService.generateBlockedUserQuery(query, me);
+			this.queryService.generateBlockedUserQueryForNotes(query, me);
 
 			if (ps.visibility) {
 				query.andWhere('note.visibility = :visibility', { visibility: ps.visibility });
diff --git a/packages/backend/src/server/api/endpoints/notes/renotes.ts b/packages/backend/src/server/api/endpoints/notes/renotes.ts
index 15f114266a..01f09433a9 100644
--- a/packages/backend/src/server/api/endpoints/notes/renotes.ts
+++ b/packages/backend/src/server/api/endpoints/notes/renotes.ts
@@ -91,8 +91,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			this.queryService.generateVisibilityQuery(query, me);
-			if (me) this.queryService.generateMutedUserQuery(query, me);
-			if (me) this.queryService.generateBlockedUserQuery(query, me);
+			if (me) this.queryService.generateMutedUserQueryForNotes(query, me);
+			if (me) this.queryService.generateBlockedUserQueryForNotes(query, me);
 
 			const renotes = await query.limit(ps.limit).getMany();
 
diff --git a/packages/backend/src/server/api/endpoints/notes/replies.ts b/packages/backend/src/server/api/endpoints/notes/replies.ts
index 3f0a8157c4..f04c9b0ec4 100644
--- a/packages/backend/src/server/api/endpoints/notes/replies.ts
+++ b/packages/backend/src/server/api/endpoints/notes/replies.ts
@@ -62,8 +62,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser');
 
 			this.queryService.generateVisibilityQuery(query, me);
-			if (me) this.queryService.generateMutedUserQuery(query, me);
-			if (me) this.queryService.generateBlockedUserQuery(query, me);
+			if (me) this.queryService.generateMutedUserQueryForNotes(query, me);
+			if (me) this.queryService.generateBlockedUserQueryForNotes(query, me);
 
 			const timeline = await query.limit(ps.limit).getMany();
 
diff --git a/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts b/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts
index 6bba7bf37e..50711bc2bd 100644
--- a/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts
+++ b/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts
@@ -97,8 +97,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			if (!this.serverSettings.enableBotTrending) query.andWhere('user.isBot = FALSE');
 
 			this.queryService.generateVisibilityQuery(query, me);
-			if (me) this.queryService.generateMutedUserQuery(query, me);
-			if (me) this.queryService.generateBlockedUserQuery(query, me);
+			if (me) this.queryService.generateMutedUserQueryForNotes(query, me);
+			if (me) this.queryService.generateBlockedUserQueryForNotes(query, me);
 
 			const [
 				followings,
diff --git a/packages/backend/src/server/api/endpoints/notes/timeline.ts b/packages/backend/src/server/api/endpoints/notes/timeline.ts
index 5a46f66f9e..9f19117426 100644
--- a/packages/backend/src/server/api/endpoints/notes/timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/timeline.ts
@@ -209,8 +209,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		}));
 
 		this.queryService.generateVisibilityQuery(query, me);
-		this.queryService.generateMutedUserQuery(query, me);
-		this.queryService.generateBlockedUserQuery(query, me);
+		this.queryService.generateMutedUserQueryForNotes(query, me);
+		this.queryService.generateBlockedUserQueryForNotes(query, me);
 		this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
 
 		if (ps.includeMyRenotes === false) {
diff --git a/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts b/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
index 55cda135e2..4c37edfdec 100644
--- a/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
@@ -190,8 +190,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}));
 
 		this.queryService.generateVisibilityQuery(query, me);
-		this.queryService.generateMutedUserQuery(query, me);
-		this.queryService.generateBlockedUserQuery(query, me);
+		this.queryService.generateMutedUserQueryForNotes(query, me);
+		this.queryService.generateBlockedUserQueryForNotes(query, me);
 		this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
 
 		if (ps.includeMyRenotes === false) {
diff --git a/packages/backend/src/server/api/endpoints/roles/notes.ts b/packages/backend/src/server/api/endpoints/roles/notes.ts
index b3c73e0391..dd40e49d3d 100644
--- a/packages/backend/src/server/api/endpoints/roles/notes.ts
+++ b/packages/backend/src/server/api/endpoints/roles/notes.ts
@@ -108,8 +108,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				.leftJoinAndSelect('renote.user', 'renoteUser');
 
 			this.queryService.generateVisibilityQuery(query, me);
-			this.queryService.generateMutedUserQuery(query, me);
-			this.queryService.generateBlockedUserQuery(query, me);
+			this.queryService.generateMutedUserQueryForNotes(query, me);
+			this.queryService.generateBlockedUserQueryForNotes(query, me);
 
 			const notes = await query.getMany();
 			notes.sort((a, b) => a.id > b.id ? -1 : 1);
diff --git a/packages/backend/src/server/api/endpoints/users/notes.ts b/packages/backend/src/server/api/endpoints/users/notes.ts
index 6416e43ff1..a4eee544f0 100644
--- a/packages/backend/src/server/api/endpoints/users/notes.ts
+++ b/packages/backend/src/server/api/endpoints/users/notes.ts
@@ -217,8 +217,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 		this.queryService.generateVisibilityQuery(query, me);
 		if (me) {
-			this.queryService.generateMutedUserQuery(query, me, { id: ps.userId });
-			this.queryService.generateBlockedUserQuery(query, me);
+			this.queryService.generateMutedUserQueryForNotes(query, me, { id: ps.userId });
+			this.queryService.generateBlockedUserQueryForNotes(query, me);
 		}
 
 		if (ps.withFiles) {
diff --git a/packages/backend/src/server/api/endpoints/users/recommendation.ts b/packages/backend/src/server/api/endpoints/users/recommendation.ts
index 46af1f38ac..642d788459 100644
--- a/packages/backend/src/server/api/endpoints/users/recommendation.ts
+++ b/packages/backend/src/server/api/endpoints/users/recommendation.ts
@@ -69,7 +69,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			this.queryService.generateMutedUserQueryForUsers(query, me);
 			this.queryService.generateBlockQueryForUsers(query, me);
-			this.queryService.generateBlockedUserQuery(query, me);
+			this.queryService.generateBlockedUserQueryForNotes(query, me);
 
 			const followingQuery = this.followingsRepository.createQueryBuilder('following')
 				.select('following.followeeId')
diff --git a/packages/backend/src/server/api/endpoints/users/search-by-username-and-host.ts b/packages/backend/src/server/api/endpoints/users/search-by-username-and-host.ts
index fda56ea6fe..f1a0fc5ddb 100644
--- a/packages/backend/src/server/api/endpoints/users/search-by-username-and-host.ts
+++ b/packages/backend/src/server/api/endpoints/users/search-by-username-and-host.ts
@@ -52,7 +52,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private userSearchService: UserSearchService,
 	) {
 		super(meta, paramDef, (ps, me) => {
-			return this.userSearchService.search({
+			return this.userSearchService.searchByUsernameAndHost({
 				username: ps.username,
 				host: ps.host,
 			}, {
diff --git a/packages/backend/src/server/api/endpoints/users/search.ts b/packages/backend/src/server/api/endpoints/users/search.ts
index 2d17c91e1d..138cef2ec5 100644
--- a/packages/backend/src/server/api/endpoints/users/search.ts
+++ b/packages/backend/src/server/api/endpoints/users/search.ts
@@ -3,14 +3,11 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { Brackets } from 'typeorm';
 import { Inject, Injectable } from '@nestjs/common';
-import type { UsersRepository, UserProfilesRepository } from '@/models/_.js';
-import type { MiUser } from '@/models/User.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { DI } from '@/di-symbols.js';
-import { sqlLikeEscape } from '@/misc/sql-like-escape.js';
+import { UserSearchService } from '@/core/UserSearchService.js';
 
 export const meta = {
 	tags: ['users'],
@@ -51,79 +48,15 @@ export const paramDef = {
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.usersRepository)
-		private usersRepository: UsersRepository,
-
-		@Inject(DI.userProfilesRepository)
-		private userProfilesRepository: UserProfilesRepository,
-
 		private userEntityService: UserEntityService,
+		private userSearchService: UserSearchService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const activeThreshold = new Date(Date.now() - (1000 * 60 * 60 * 24 * 30)); // 30日
-
-			ps.query = ps.query.trim();
-			const isUsername = ps.query.startsWith('@') && !ps.query.includes(' ') && ps.query.indexOf('@', 1) === -1;
-
-			let users: MiUser[] = [];
-
-			const nameQuery = this.usersRepository.createQueryBuilder('user')
-				.where(new Brackets(qb => {
-					qb.where('user.name ILIKE :query', { query: '%' + sqlLikeEscape(ps.query) + '%' });
-
-					if (isUsername) {
-						qb.orWhere('user.usernameLower LIKE :username', { username: sqlLikeEscape(ps.query.replace('@', '').toLowerCase()) + '%' });
-					} else if (this.userEntityService.validateLocalUsername(ps.query)) { // Also search username if it qualifies as username
-						qb.orWhere('user.usernameLower LIKE :username', { username: '%' + sqlLikeEscape(ps.query.toLowerCase()) + '%' });
-					}
-				}))
-				.andWhere(new Brackets(qb => {
-					qb
-						.where('user.updatedAt IS NULL')
-						.orWhere('user.updatedAt > :activeThreshold', { activeThreshold: activeThreshold });
-				}))
-				.andWhere('user.isSuspended = FALSE');
-
-			if (ps.origin === 'local') {
-				nameQuery.andWhere('user.host IS NULL');
-			} else if (ps.origin === 'remote') {
-				nameQuery.andWhere('user.host IS NOT NULL');
-			}
-
-			users = await nameQuery
-				.orderBy('user.updatedAt', 'DESC', 'NULLS LAST')
-				.limit(ps.limit)
-				.offset(ps.offset)
-				.getMany();
-
-			if (users.length < ps.limit) {
-				const profQuery = this.userProfilesRepository.createQueryBuilder('prof')
-					.select('prof.userId')
-					.where('prof.description ILIKE :query', { query: '%' + sqlLikeEscape(ps.query) + '%' });
-
-				if (ps.origin === 'local') {
-					profQuery.andWhere('prof.userHost IS NULL');
-				} else if (ps.origin === 'remote') {
-					profQuery.andWhere('prof.userHost IS NOT NULL');
-				}
-
-				const query = this.usersRepository.createQueryBuilder('user')
-					.where(`user.id IN (${ profQuery.getQuery() })`)
-					.andWhere(new Brackets(qb => {
-						qb
-							.where('user.updatedAt IS NULL')
-							.orWhere('user.updatedAt > :activeThreshold', { activeThreshold: activeThreshold });
-					}))
-					.andWhere('user.isSuspended = FALSE')
-					.setParameters(profQuery.getParameters());
-
-				users = users.concat(await query
-					.orderBy('user.updatedAt', 'DESC', 'NULLS LAST')
-					.limit(ps.limit)
-					.offset(ps.offset)
-					.getMany(),
-				);
-			}
+			const users = await this.userSearchService.search(ps.query.trim(), me?.id ?? null, {
+				offset: ps.offset,
+				limit: ps.limit,
+				origin: ps.origin,
+			});
 
 			return await this.userEntityService.packMany(users, me, { schema: ps.detail ? 'UserDetailed' : 'UserLite' });
 		});