Merge remote-tracking branch 'misskey/develop' into future-2024-03-23

19 files changed, 194 insertions, 39 deletions

diff --git a/packages/backend/src/core/AntennaService.ts b/packages/backend/src/core/AntennaService.ts
index 4f956a43ed..793d8974b3 100644
--- a/packages/backend/src/core/AntennaService.ts
+++ b/packages/backend/src/core/AntennaService.ts
@@ -92,7 +92,7 @@ export class AntennaService implements OnApplicationShutdown {
 	}
 
 	@bindThis
-	public async addNoteToAntennas(note: MiNote, noteUser: { id: MiUser['id']; username: string; host: string | null; }): Promise<void> {
+	public async addNoteToAntennas(note: MiNote, noteUser: { id: MiUser['id']; username: string; host: string | null; isBot: boolean; }): Promise<void> {
 		const antennas = await this.getAntennas();
 		const antennasWithMatchResult = await Promise.all(antennas.map(antenna => this.checkHitAntenna(antenna, note, noteUser).then(hit => [antenna, hit] as const)));
 		const matchedAntennas = antennasWithMatchResult.filter(([, hit]) => hit).map(([antenna]) => antenna);
@@ -110,10 +110,12 @@ export class AntennaService implements OnApplicationShutdown {
 	// NOTE: フォローしているユーザーのノート、リストのユーザーのノート、グループのユーザーのノート指定はパフォーマンス上の理由で無効になっている
 
 	@bindThis
-	public async checkHitAntenna(antenna: MiAntenna, note: (MiNote | Packed<'Note'>), noteUser: { id: MiUser['id']; username: string; host: string | null; }): Promise<boolean> {
+	public async checkHitAntenna(antenna: MiAntenna, note: (MiNote | Packed<'Note'>), noteUser: { id: MiUser['id']; username: string; host: string | null; isBot: boolean; }): Promise<boolean> {
 		if (note.visibility === 'specified') return false;
 		if (note.visibility === 'followers') return false;
 
+		if (antenna.excludeBots && noteUser.isBot) return false;
+
 		if (antenna.localOnly && noteUser.host != null) return false;
 
 		if (!antenna.withReplies && note.replyId != null) return false;
diff --git a/packages/backend/src/core/chart/core.ts b/packages/backend/src/core/chart/core.ts
index aa0cb9dc2b..f10e30ef10 100644
--- a/packages/backend/src/core/chart/core.ts
+++ b/packages/backend/src/core/chart/core.ts
@@ -459,13 +459,15 @@ export default abstract class Chart<T extends Schema> {
 				}
 			}
 
-			// bake unique count
+			// bake cardinality
 			for (const [k, v] of Object.entries(finalDiffs)) {
 				if (this.schema[k].uniqueIncrement) {
 					const name = COLUMN_PREFIX + k.replaceAll('.', COLUMN_DELIMITER) as keyof Columns<T>;
 					const tempColumnName = UNIQUE_TEMP_COLUMN_PREFIX + k.replaceAll('.', COLUMN_DELIMITER) as keyof TempColumnsForUnique<T>;
-					queryForHour[name] = new Set([...(v as string[]), ...(logHour[tempColumnName] as unknown as string[])]).size;
-					queryForDay[name] = new Set([...(v as string[]), ...(logDay[tempColumnName] as unknown as string[])]).size;
+					const cardinalityOfHour = new Set([...(v as string[]), ...(logHour[tempColumnName] as unknown as string[])]).size;
+					const cardinalityOfDay = new Set([...(v as string[]), ...(logDay[tempColumnName] as unknown as string[])]).size;
+					queryForHour[name] = cardinalityOfHour;
+					queryForDay[name] = cardinalityOfDay;
 				}
 			}
 
@@ -637,7 +639,7 @@ export default abstract class Chart<T extends Schema> {
 		// 要求された範囲にログがひとつもなかったら
 		if (logs.length === 0) {
 			// もっとも新しいログを持ってくる
-			// (すくなくともひとつログが無いと隙間埋めできないため)
+			// (すくなくともひとつログが無いと補間できないため)
 			const recentLog = await repository.findOne({
 				where: group ? {
 					group: group,
@@ -654,7 +656,7 @@ export default abstract class Chart<T extends Schema> {
 		// 要求された範囲の最も古い箇所に位置するログが存在しなかったら
 		} else if (!isTimeSame(new Date(logs.at(-1)!.date * 1000), gt)) {
 			// 要求された範囲の最も古い箇所時点での最も新しいログを持ってきて末尾に追加する
-			// (隙間埋めできないため)
+			// (補間できないため)
 			const outdatedLog = await repository.findOne({
 				where: {
 					date: LessThan(Chart.dateToTimestamp(gt)),
@@ -683,7 +685,7 @@ export default abstract class Chart<T extends Schema> {
 			if (log) {
 				chart.unshift(this.convertRawRecord(log));
 			} else {
-				// 隙間埋め
+				// 補間
 				const latest = logs.find(l => isTimeBefore(new Date(l.date * 1000), current));
 				const data = latest ? this.convertRawRecord(latest) : null;
 				chart.unshift(this.getNewLog(data));
diff --git a/packages/backend/src/core/entities/AntennaEntityService.ts b/packages/backend/src/core/entities/AntennaEntityService.ts
index 64d6a3c978..3ec8efa6bf 100644
--- a/packages/backend/src/core/entities/AntennaEntityService.ts
+++ b/packages/backend/src/core/entities/AntennaEntityService.ts
@@ -39,6 +39,7 @@ export class AntennaEntityService {
 			caseSensitive: antenna.caseSensitive,
 			localOnly: antenna.localOnly,
 			notify: antenna.notify,
+			excludeBots: antenna.excludeBots,
 			withReplies: antenna.withReplies,
 			withFile: antenna.withFile,
 			isActive: antenna.isActive,
diff --git a/packages/backend/src/core/entities/MetaEntityService.ts b/packages/backend/src/core/entities/MetaEntityService.ts
index 7e3926c431..fa643e45a7 100644
--- a/packages/backend/src/core/entities/MetaEntityService.ts
+++ b/packages/backend/src/core/entities/MetaEntityService.ts
@@ -114,6 +114,7 @@ export class MetaEntityService {
 			policies: { ...DEFAULT_POLICIES, ...instance.policies },
 
 			mediaProxy: this.config.mediaProxy,
+			enableUrlPreview: instance.urlPreviewEnabled,
 		};
 
 		return packed;
diff --git a/packages/backend/src/models/Antenna.ts b/packages/backend/src/models/Antenna.ts
index 332a899768..f5e819059e 100644
--- a/packages/backend/src/models/Antenna.ts
+++ b/packages/backend/src/models/Antenna.ts
@@ -75,6 +75,11 @@ export class MiAntenna {
 	@Column('boolean', {
 		default: false,
 	})
+	public excludeBots: boolean;
+
+	@Column('boolean', {
+		default: false,
+	})
 	public withReplies: boolean;
 
 	@Column('boolean')
diff --git a/packages/backend/src/models/Meta.ts b/packages/backend/src/models/Meta.ts
index dd2e78cde2..9b71cf6d57 100644
--- a/packages/backend/src/models/Meta.ts
+++ b/packages/backend/src/models/Meta.ts
@@ -287,12 +287,6 @@ export class MiMeta {
 	})
 	public enableBotTrending: boolean;
 
-	@Column('varchar', {
-		length: 1024,
-		nullable: true,
-	})
-	public summalyProxy: string | null;
-
 	@Column('boolean', {
 		default: false,
 	})
@@ -631,4 +625,36 @@ export class MiMeta {
 		length: 256, array: true, default: '{}',
 	})
 	public bubbleInstances: string[];
+
+	@Column('boolean', {
+		default: true,
+	})
+	public urlPreviewEnabled: boolean;
+
+	@Column('integer', {
+		default: 10000,
+	})
+	public urlPreviewTimeout: number;
+
+	@Column('bigint', {
+		default: 1024 * 1024 * 10,
+	})
+	public urlPreviewMaximumContentLength: number;
+
+	@Column('boolean', {
+		default: true,
+	})
+	public urlPreviewRequireContentLength: boolean;
+
+	@Column('varchar', {
+		length: 1024,
+		nullable: true,
+	})
+	public urlPreviewSummaryProxyUrl: string | null;
+
+	@Column('varchar', {
+		length: 1024,
+		nullable: true,
+	})
+	public urlPreviewUserAgent: string | null;
 }
diff --git a/packages/backend/src/models/json-schema/antenna.ts b/packages/backend/src/models/json-schema/antenna.ts
index 74622b6193..78cf6d3ba2 100644
--- a/packages/backend/src/models/json-schema/antenna.ts
+++ b/packages/backend/src/models/json-schema/antenna.ts
@@ -76,6 +76,11 @@ export const packedAntennaSchema = {
 			type: 'boolean',
 			optional: false, nullable: false,
 		},
+		excludeBots: {
+			type: 'boolean',
+			optional: false, nullable: false,
+			default: false,
+		},
 		withReplies: {
 			type: 'boolean',
 			optional: false, nullable: false,
diff --git a/packages/backend/src/models/json-schema/meta.ts b/packages/backend/src/models/json-schema/meta.ts
index 9db3f7f809..47a9c48c1c 100644
--- a/packages/backend/src/models/json-schema/meta.ts
+++ b/packages/backend/src/models/json-schema/meta.ts
@@ -223,6 +223,10 @@ export const packedMetaLiteSchema = {
 			type: 'string',
 			optional: false, nullable: false,
 		},
+		enableUrlPreview: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
 		backgroundImageUrl: {
 			type: 'string',
 			optional: false, nullable: true,
diff --git a/packages/backend/src/queue/processors/ExportAntennasProcessorService.ts b/packages/backend/src/queue/processors/ExportAntennasProcessorService.ts
index af48bad417..1d8e90f367 100644
--- a/packages/backend/src/queue/processors/ExportAntennasProcessorService.ts
+++ b/packages/backend/src/queue/processors/ExportAntennasProcessorService.ts
@@ -81,6 +81,7 @@ export class ExportAntennasProcessorService {
 					}) : null,
 					caseSensitive: antenna.caseSensitive,
 					localOnly: antenna.localOnly,
+					excludeBots: antenna.excludeBots,
 					withReplies: antenna.withReplies,
 					withFile: antenna.withFile,
 					notify: antenna.notify,
diff --git a/packages/backend/src/queue/processors/ImportAntennasProcessorService.ts b/packages/backend/src/queue/processors/ImportAntennasProcessorService.ts
index 951b560597..ff1c04de06 100644
--- a/packages/backend/src/queue/processors/ImportAntennasProcessorService.ts
+++ b/packages/backend/src/queue/processors/ImportAntennasProcessorService.ts
@@ -44,6 +44,7 @@ const validate = new Ajv().compile({
 		} },
 		caseSensitive: { type: 'boolean' },
 		localOnly: { type: 'boolean' },
+		excludeBots: { type: 'boolean' },
 		withReplies: { type: 'boolean' },
 		withFile: { type: 'boolean' },
 		notify: { type: 'boolean' },
@@ -88,6 +89,7 @@ export class ImportAntennasProcessorService {
 					users: (antenna.src === 'list' && antenna.userListAccts !== null ? antenna.userListAccts : antenna.users).filter(Boolean),
 					caseSensitive: antenna.caseSensitive,
 					localOnly: antenna.localOnly,
+					excludeBots: antenna.excludeBots,
 					withReplies: antenna.withReplies,
 					withFile: antenna.withFile,
 					notify: antenna.notify,
diff --git a/packages/backend/src/server/api/endpoints/admin/meta.ts b/packages/backend/src/server/api/endpoints/admin/meta.ts
index 34454c276e..1a4ae844b5 100644
--- a/packages/backend/src/server/api/endpoints/admin/meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/meta.ts
@@ -465,6 +465,8 @@ export const meta = {
 			summalyProxy: {
 				type: 'string',
 				optional: false, nullable: true,
+				deprecated: true,
+				description: '[Deprecated] Use "urlPreviewSummaryProxyUrl" instead.',
 			},
 			themeColor: {
 				type: 'string',
@@ -482,6 +484,30 @@ export const meta = {
 				type: 'string',
 				optional: false, nullable: false,
 			},
+			urlPreviewEnabled: {
+				type: 'boolean',
+				optional: false, nullable: false,
+			},
+			urlPreviewTimeout: {
+				type: 'number',
+				optional: false, nullable: false,
+			},
+			urlPreviewMaximumContentLength: {
+				type: 'number',
+				optional: false, nullable: false,
+			},
+			urlPreviewRequireContentLength: {
+				type: 'boolean',
+				optional: false, nullable: false,
+			},
+			urlPreviewUserAgent: {
+				type: 'string',
+				optional: false, nullable: true,
+			},
+			urlPreviewSummaryProxyUrl: {
+				type: 'string',
+				optional: false, nullable: true,
+			},
 		},
 	},
 } as const;
@@ -569,7 +595,6 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				enableSensitiveMediaDetectionForVideos: instance.enableSensitiveMediaDetectionForVideos,
 				enableBotTrending: instance.enableBotTrending,
 				proxyAccountId: instance.proxyAccountId,
-				summalyProxy: instance.summalyProxy,
 				email: instance.email,
 				smtpSecure: instance.smtpSecure,
 				smtpHost: instance.smtpHost,
@@ -616,6 +641,13 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				perUserHomeTimelineCacheMax: instance.perUserHomeTimelineCacheMax,
 				perUserListTimelineCacheMax: instance.perUserListTimelineCacheMax,
 				notesPerOneAd: instance.notesPerOneAd,
+				summalyProxy: instance.urlPreviewSummaryProxyUrl,
+				urlPreviewEnabled: instance.urlPreviewEnabled,
+				urlPreviewTimeout: instance.urlPreviewTimeout,
+				urlPreviewMaximumContentLength: instance.urlPreviewMaximumContentLength,
+				urlPreviewRequireContentLength: instance.urlPreviewRequireContentLength,
+				urlPreviewUserAgent: instance.urlPreviewUserAgent,
+				urlPreviewSummaryProxyUrl: instance.urlPreviewSummaryProxyUrl,
 			};
 		});
 	}
diff --git a/packages/backend/src/server/api/endpoints/admin/update-meta.ts b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
index 7fea7d969e..95dd7346e7 100644
--- a/packages/backend/src/server/api/endpoints/admin/update-meta.ts
+++ b/packages/backend/src/server/api/endpoints/admin/update-meta.ts
@@ -93,7 +93,6 @@ export const paramDef = {
 				type: 'string',
 			},
 		},
-		summalyProxy: { type: 'string', nullable: true },
 		deeplAuthKey: { type: 'string', nullable: true },
 		deeplIsPro: { type: 'boolean' },
 		deeplFreeMode: { type: 'boolean' },
@@ -158,6 +157,16 @@ export const paramDef = {
 				type: 'string',
 			},
 		},
+		summalyProxy: {
+			type: 'string', nullable: true,
+			description: '[Deprecated] Use "urlPreviewSummaryProxyUrl" instead.',
+		},
+		urlPreviewEnabled: { type: 'boolean' },
+		urlPreviewTimeout: { type: 'integer' },
+		urlPreviewMaximumContentLength: { type: 'integer' },
+		urlPreviewRequireContentLength: { type: 'boolean' },
+		urlPreviewUserAgent: { type: 'string', nullable: true },
+		urlPreviewSummaryProxyUrl: { type: 'string', nullable: true },
 	},
 	required: [],
 } as const;
@@ -357,10 +366,6 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				set.langs = ps.langs.filter(Boolean);
 			}
 
-			if (ps.summalyProxy !== undefined) {
-				set.summalyProxy = ps.summalyProxy;
-			}
-
 			if (ps.enableEmail !== undefined) {
 				set.enableEmail = ps.enableEmail;
 			}
@@ -609,6 +614,32 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				set.bannedEmailDomains = ps.bannedEmailDomains;
 			}
 
+			if (ps.urlPreviewEnabled !== undefined) {
+				set.urlPreviewEnabled = ps.urlPreviewEnabled;
+			}
+
+			if (ps.urlPreviewTimeout !== undefined) {
+				set.urlPreviewTimeout = ps.urlPreviewTimeout;
+			}
+
+			if (ps.urlPreviewMaximumContentLength !== undefined) {
+				set.urlPreviewMaximumContentLength = ps.urlPreviewMaximumContentLength;
+			}
+
+			if (ps.urlPreviewRequireContentLength !== undefined) {
+				set.urlPreviewRequireContentLength = ps.urlPreviewRequireContentLength;
+			}
+
+			if (ps.urlPreviewUserAgent !== undefined) {
+				const value = (ps.urlPreviewUserAgent ?? '').trim();
+				set.urlPreviewUserAgent = value === '' ? null : ps.urlPreviewUserAgent;
+			}
+
+			if (ps.summalyProxy !== undefined || ps.urlPreviewSummaryProxyUrl !== undefined) {
+				const value = ((ps.urlPreviewSummaryProxyUrl ?? ps.summalyProxy) ?? '').trim();
+				set.urlPreviewSummaryProxyUrl = value === '' ? null : value;
+			}
+
 			const before = await this.metaService.fetch(true);
 
 			await this.metaService.update(set);
diff --git a/packages/backend/src/server/api/endpoints/antennas/create.ts b/packages/backend/src/server/api/endpoints/antennas/create.ts
index 191de8f833..57c8eb4958 100644
--- a/packages/backend/src/server/api/endpoints/antennas/create.ts
+++ b/packages/backend/src/server/api/endpoints/antennas/create.ts
@@ -64,6 +64,7 @@ export const paramDef = {
 		} },
 		caseSensitive: { type: 'boolean' },
 		localOnly: { type: 'boolean' },
+		excludeBots: { type: 'boolean' },
 		withReplies: { type: 'boolean' },
 		withFile: { type: 'boolean' },
 		notify: { type: 'boolean' },
@@ -124,6 +125,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				users: ps.users,
 				caseSensitive: ps.caseSensitive,
 				localOnly: ps.localOnly,
+				excludeBots: ps.excludeBots,
 				withReplies: ps.withReplies,
 				withFile: ps.withFile,
 				notify: ps.notify,
diff --git a/packages/backend/src/server/api/endpoints/antennas/update.ts b/packages/backend/src/server/api/endpoints/antennas/update.ts
index 76a34924a0..e6720aacf8 100644
--- a/packages/backend/src/server/api/endpoints/antennas/update.ts
+++ b/packages/backend/src/server/api/endpoints/antennas/update.ts
@@ -63,6 +63,7 @@ export const paramDef = {
 		} },
 		caseSensitive: { type: 'boolean' },
 		localOnly: { type: 'boolean' },
+		excludeBots: { type: 'boolean' },
 		withReplies: { type: 'boolean' },
 		withFile: { type: 'boolean' },
 		notify: { type: 'boolean' },
@@ -120,6 +121,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				users: ps.users,
 				caseSensitive: ps.caseSensitive,
 				localOnly: ps.localOnly,
+				excludeBots: ps.excludeBots,
 				withReplies: ps.withReplies,
 				withFile: ps.withFile,
 				notify: ps.notify,
diff --git a/packages/backend/src/server/api/endpoints/flash/create.ts b/packages/backend/src/server/api/endpoints/flash/create.ts
index 584d167a29..361496e17e 100644
--- a/packages/backend/src/server/api/endpoints/flash/create.ts
+++ b/packages/backend/src/server/api/endpoints/flash/create.ts
@@ -44,6 +44,7 @@ export const paramDef = {
 		permissions: { type: 'array', items: {
 			type: 'string',
 		} },
+		visibility: { type: 'string', enum: ['public', 'private'], default: 'public' },
 	},
 	required: ['title', 'summary', 'script', 'permissions'],
 } as const;
@@ -66,6 +67,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				summary: ps.summary,
 				script: ps.script,
 				permissions: ps.permissions,
+				visibility: ps.visibility,
 			}).then(x => this.flashsRepository.findOneByOrFail(x.identifiers[0]));
 
 			return await this.flashEntityService.pack(flash);
diff --git a/packages/backend/src/server/api/openapi/gen-spec.ts b/packages/backend/src/server/api/openapi/gen-spec.ts
index b5f91ff542..436f9a44bb 100644
--- a/packages/backend/src/server/api/openapi/gen-spec.ts
+++ b/packages/backend/src/server/api/openapi/gen-spec.ts
@@ -93,7 +93,7 @@ export function genOpenapiSpec(config: Config, includeSelfRef = false) {
 		const hasBody = (schema.type === 'object' && schema.properties && Object.keys(schema.properties).length >= 1);
 
 		const info = {
-			operationId: endpoint.name,
+			operationId: endpoint.name.replaceAll('/', '___'), // NOTE: スラッシュは使えない
 			summary: endpoint.name,
 			description: desc,
 			externalDocs: {
diff --git a/packages/backend/src/server/web/UrlPreviewService.ts b/packages/backend/src/server/web/UrlPreviewService.ts
index c6a96e94cb..8f8f08a305 100644
--- a/packages/backend/src/server/web/UrlPreviewService.ts
+++ b/packages/backend/src/server/web/UrlPreviewService.ts
@@ -5,6 +5,7 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { summaly } from '@misskey-dev/summaly';
+import { SummalyResult } from '@misskey-dev/summaly/built/summary.js';
 import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
 import { MetaService } from '@/core/MetaService.js';
@@ -14,6 +15,7 @@ import { query } from '@/misc/prelude/url.js';
 import { LoggerService } from '@/core/LoggerService.js';
 import { bindThis } from '@/decorators.js';
 import { ApiError } from '@/server/api/error.js';
+import { MiMeta } from '@/models/Meta.js';
 import type { FastifyRequest, FastifyReply } from 'fastify';
 
 @Injectable()
@@ -62,24 +64,25 @@ export class UrlPreviewService {
 
 		const meta = await this.metaService.fetch();
 
-		this.logger.info(meta.summalyProxy
+		if (!meta.urlPreviewEnabled) {
+			reply.code(403);
+			return {
+				error: new ApiError({
+					message: 'URL preview is disabled',
+					code: 'URL_PREVIEW_DISABLED',
+					id: '58b36e13-d2f5-0323-b0c6-76aa9dabefb8',
+				}),
+			};
+		}
+
+		this.logger.info(meta.urlPreviewSummaryProxyUrl
 			? `(Proxy) Getting preview of ${url}@${lang} ...`
 			: `Getting preview of ${url}@${lang} ...`);
+
 		try {
-			const summary = meta.summalyProxy ?
-				await this.httpRequestService.getJson<ReturnType<typeof summaly>>(`${meta.summalyProxy}?${query({
-					url: url,
-					lang: lang ?? 'ja-JP',
-				})}`)
-				:
-				await summaly(url, {
-					followRedirects: false,
-					lang: lang ?? 'ja-JP',
-					agent: this.config.proxy ? {
-						http: this.httpRequestService.httpAgent,
-						https: this.httpRequestService.httpsAgent,
-					} : undefined,
-				});
+			const summary = meta.urlPreviewSummaryProxyUrl
+				? await this.fetchSummaryFromProxy(url, meta, lang)
+				: await this.fetchSummary(url, meta, lang);
 
 			this.logger.succ(`Got preview of ${url}: ${summary.title}`);
 
@@ -100,6 +103,7 @@ export class UrlPreviewService {
 			return summary;
 		} catch (err) {
 			this.logger.warn(`Failed to get preview of ${url}: ${err}`);
+
 			reply.code(422);
 			reply.header('Cache-Control', 'max-age=86400, immutable');
 			return {
@@ -111,4 +115,37 @@ export class UrlPreviewService {
 			};
 		}
 	}
+
+	private fetchSummary(url: string, meta: MiMeta, lang?: string): Promise<SummalyResult> {
+		const agent = this.config.proxy
+			? {
+				http: this.httpRequestService.httpAgent,
+				https: this.httpRequestService.httpsAgent,
+			}
+			: undefined;
+
+		return summaly(url, {
+			followRedirects: false,
+			lang: lang ?? 'ja-JP',
+			agent: agent,
+			userAgent: meta.urlPreviewUserAgent ?? undefined,
+			operationTimeout: meta.urlPreviewTimeout,
+			contentLengthLimit: meta.urlPreviewMaximumContentLength,
+			contentLengthRequired: meta.urlPreviewRequireContentLength,
+		});
+	}
+
+	private fetchSummaryFromProxy(url: string, meta: MiMeta, lang?: string): Promise<SummalyResult> {
+		const proxy = meta.urlPreviewSummaryProxyUrl!;
+		const queryStr = query({
+			url: url,
+			lang: lang ?? 'ja-JP',
+			userAgent: meta.urlPreviewUserAgent ?? undefined,
+			operationTimeout: meta.urlPreviewTimeout,
+			contentLengthLimit: meta.urlPreviewMaximumContentLength,
+			contentLengthRequired: meta.urlPreviewRequireContentLength,
+		});
+
+		return this.httpRequestService.getJson<SummalyResult>(`${proxy}?${queryStr}`);
+	}
 }
diff --git a/packages/backend/src/server/web/views/note.pug b/packages/backend/src/server/web/views/note.pug
index 9bc652b6a1..fb659ce171 100644
--- a/packages/backend/src/server/web/views/note.pug
+++ b/packages/backend/src/server/web/views/note.pug
@@ -2,7 +2,7 @@ extends ./base
 
 block vars
 	- const user = note.user;
-	- const title = user.name ? `${user.name} (@${user.username})` : `@${user.username}`;
+	- const title = user.name ? `${user.name} (@${user.username}${user.host ? `@${user.host}` : ''})` : `@${user.username}${user.host ? `@${user.host}` : ''}`;
 	- const url = `${config.url}/notes/${note.id}`;
 	- const isRenote = note.renote && note.text == null && note.fileIds.length == 0 && note.poll == null;
 	- const images = (note.files || []).filter(file => file.type.startsWith('image/') && !file.isSensitive)
@@ -28,7 +28,7 @@ block og
 			// FIXME: add embed player for Twitter
 	if images.length
 		meta(property='twitter:card' content='summary_large_image')
-		each image in images	
+		each image in images
 			meta(property='og:image'     content= image.url)
 	else
 		meta(property='twitter:card' content='summary')
diff --git a/packages/backend/src/server/web/views/user.pug b/packages/backend/src/server/web/views/user.pug
index 83d57349a6..2b0a7bab5c 100644
--- a/packages/backend/src/server/web/views/user.pug
+++ b/packages/backend/src/server/web/views/user.pug
@@ -1,7 +1,7 @@
 extends ./base
 
 block vars
-	- const title = user.name ? `${user.name} (@${user.username})` : `@${user.username}`;
+	- const title = user.name ? `${user.name} (@${user.username}${user.host ? `@${user.host}` : ''})` : `@${user.username}${user.host ? `@${user.host}` : ''}`;
 	- const url = `${config.url}/@${(user.host ? `${user.username}@${user.host}` : user.username)}`;
 
 block title