enhance: `meta`をSSR HTMLに埋め込む (#13436)

* enhance: `meta`をSSR HTMLに埋め込む

* HTML Metaの有効時間を指定

* １時間

* MetaEntityService

* JSONをPackするように

* :v:

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

3 files changed, 25 insertions, 419 deletions

diff --git a/packages/backend/src/server/api/endpoints/meta.ts b/packages/backend/src/server/api/endpoints/meta.ts
index 834158baf4..5460635e1d 100644
--- a/packages/backend/src/server/api/endpoints/meta.ts
+++ b/packages/backend/src/server/api/endpoints/meta.ts
@@ -3,18 +3,9 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-import { IsNull, LessThanOrEqual, MoreThan, Brackets } from 'typeorm';
-import { Inject, Injectable } from '@nestjs/common';
-import JSON5 from 'json5';
-import type { AdsRepository } from '@/models/_.js';
-import { MAX_NOTE_TEXT_LENGTH } from '@/const.js';
+import { Injectable } from '@nestjs/common';
 import { Endpoint } from '@/server/api/endpoint-base.js';
-import { UserEntityService } from '@/core/entities/UserEntityService.js';
-import { MetaService } from '@/core/MetaService.js';
-import { InstanceActorService } from '@/core/InstanceActorService.js';
-import type { Config } from '@/config.js';
-import { DI } from '@/di-symbols.js';
-import { DEFAULT_POLICIES } from '@/core/RoleService.js';
+import { MetaEntityService } from '@/core/entities/MetaEntityService.js';
 
 export const meta = {
 	tags: ['meta'],
@@ -23,297 +14,10 @@ export const meta = {
 
 	res: {
 		type: 'object',
-		optional: false, nullable: false,
-		properties: {
-			maintainerName: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			maintainerEmail: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			version: {
-				type: 'string',
-				optional: false, nullable: false,
-			},
-			providesTarball: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			name: {
-				type: 'string',
-				optional: false, nullable: false,
-			},
-			shortName: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			uri: {
-				type: 'string',
-				optional: false, nullable: false,
-				format: 'url',
-				example: 'https://misskey.example.com',
-			},
-			description: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			langs: {
-				type: 'array',
-				optional: false, nullable: false,
-				items: {
-					type: 'string',
-					optional: false, nullable: false,
-				},
-			},
-			tosUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			repositoryUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-				default: 'https://github.com/misskey-dev/misskey',
-			},
-			feedbackUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-				default: 'https://github.com/misskey-dev/misskey/issues/new',
-			},
-			defaultDarkTheme: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			defaultLightTheme: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			disableRegistration: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			cacheRemoteFiles: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			cacheRemoteSensitiveFiles: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			emailRequiredForSignup: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			enableHcaptcha: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			hcaptchaSiteKey: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			enableMcaptcha: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			mcaptchaSiteKey: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			mcaptchaInstanceUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			enableRecaptcha: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			recaptchaSiteKey: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			enableTurnstile: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			turnstileSiteKey: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			swPublickey: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			mascotImageUrl: {
-				type: 'string',
-				optional: false, nullable: false,
-				default: '/assets/ai.png',
-			},
-			bannerUrl: {
-				type: 'string',
-				optional: false, nullable: false,
-			},
-			serverErrorImageUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			infoImageUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			notFoundImageUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			iconUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			maxNoteTextLength: {
-				type: 'number',
-				optional: false, nullable: false,
-			},
-			ads: {
-				type: 'array',
-				optional: false, nullable: false,
-				items: {
-					type: 'object',
-					optional: false, nullable: false,
-					properties: {
-						id: {
-							type: 'string',
-							optional: false, nullable: false,
-							format: 'id',
-							example: 'xxxxxxxxxx',
-						},
-						url: {
-							type: 'string',
-							optional: false, nullable: false,
-							format: 'url',
-						},
-						place: {
-							type: 'string',
-							optional: false, nullable: false,
-						},
-						ratio: {
-							type: 'number',
-							optional: false, nullable: false,
-						},
-						imageUrl: {
-							type: 'string',
-							optional: false, nullable: false,
-							format: 'url',
-						},
-						dayOfWeek: {
-							type: 'integer',
-							optional: false, nullable: false,
-						},
-					},
-				},
-			},
-			notesPerOneAd: {
-				type: 'number',
-				optional: false, nullable: false,
-				default: 0,
-			},
-			requireSetup: {
-				type: 'boolean',
-				optional: false, nullable: false,
-				example: false,
-			},
-			enableEmail: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			enableServiceWorker: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			translatorAvailable: {
-				type: 'boolean',
-				optional: false, nullable: false,
-			},
-			proxyAccountName: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			mediaProxy: {
-				type: 'string',
-				optional: false, nullable: false,
-			},
-			features: {
-				type: 'object',
-				optional: true, nullable: false,
-				properties: {
-					registration: {
-						type: 'boolean',
-						optional: false, nullable: false,
-					},
-					localTimeline: {
-						type: 'boolean',
-						optional: false, nullable: false,
-					},
-					globalTimeline: {
-						type: 'boolean',
-						optional: false, nullable: false,
-					},
-					hcaptcha: {
-						type: 'boolean',
-						optional: false, nullable: false,
-					},
-					recaptcha: {
-						type: 'boolean',
-						optional: false, nullable: false,
-					},
-					objectStorage: {
-						type: 'boolean',
-						optional: false, nullable: false,
-					},
-					serviceWorker: {
-						type: 'boolean',
-						optional: false, nullable: false,
-					},
-					miauth: {
-						type: 'boolean',
-						optional: true, nullable: false,
-						default: true,
-					},
-				},
-			},
-			backgroundImageUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			impressumUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			logoImageUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			privacyPolicyUrl: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			serverRules: {
-				type: 'array',
-				optional: false, nullable: false,
-				items: {
-					type: 'string',
-				},
-			},
-			themeColor: {
-				type: 'string',
-				optional: false, nullable: true,
-			},
-			policies: {
-				type: 'object',
-				optional: false, nullable: false,
-				ref: 'RolePolicies',
-			},
-		},
+		oneOf: [
+			{ type: 'object', ref: 'MetaLite' },
+			{ type: 'object', ref: 'MetaDetailed' },
+		],
 	},
 } as const;
 
@@ -328,115 +32,10 @@ export const paramDef = {
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.config)
-		private config: Config,
-
-		@Inject(DI.adsRepository)
-		private adsRepository: AdsRepository,
-
-		private userEntityService: UserEntityService,
-		private metaService: MetaService,
-		private instanceActorService: InstanceActorService,
+		private metaEntityService: MetaEntityService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const instance = await this.metaService.fetch(true);
-
-			const ads = await this.adsRepository.createQueryBuilder('ads')
-				.where('ads.expiresAt > :now', { now: new Date() })
-				.andWhere('ads.startsAt <= :now', { now: new Date() })
-				.andWhere(new Brackets(qb => {
-					// 曜日のビットフラグを確認する
-					qb.where('ads.dayOfWeek & :dayOfWeek > 0', { dayOfWeek: 1 << new Date().getDay() })
-						.orWhere('ads.dayOfWeek = 0');
-				}))
-				.getMany();
-
-			const response: any = {
-				maintainerName: instance.maintainerName,
-				maintainerEmail: instance.maintainerEmail,
-
-				version: this.config.version,
-				providesTarball: this.config.publishTarballInsteadOfProvideRepositoryUrl,
-
-				name: instance.name,
-				shortName: instance.shortName,
-				uri: this.config.url,
-				description: instance.description,
-				langs: instance.langs,
-				tosUrl: instance.termsOfServiceUrl,
-				repositoryUrl: instance.repositoryUrl,
-				feedbackUrl: instance.feedbackUrl,
-				impressumUrl: instance.impressumUrl,
-				privacyPolicyUrl: instance.privacyPolicyUrl,
-				disableRegistration: instance.disableRegistration,
-				emailRequiredForSignup: instance.emailRequiredForSignup,
-				enableHcaptcha: instance.enableHcaptcha,
-				hcaptchaSiteKey: instance.hcaptchaSiteKey,
-				enableMcaptcha: instance.enableMcaptcha,
-				mcaptchaSiteKey: instance.mcaptchaSitekey,
-				mcaptchaInstanceUrl: instance.mcaptchaInstanceUrl,
-				enableRecaptcha: instance.enableRecaptcha,
-				recaptchaSiteKey: instance.recaptchaSiteKey,
-				enableTurnstile: instance.enableTurnstile,
-				turnstileSiteKey: instance.turnstileSiteKey,
-				swPublickey: instance.swPublicKey,
-				themeColor: instance.themeColor,
-				mascotImageUrl: instance.mascotImageUrl,
-				bannerUrl: instance.bannerUrl,
-				infoImageUrl: instance.infoImageUrl,
-				serverErrorImageUrl: instance.serverErrorImageUrl,
-				notFoundImageUrl: instance.notFoundImageUrl,
-				iconUrl: instance.iconUrl,
-				backgroundImageUrl: instance.backgroundImageUrl,
-				logoImageUrl: instance.logoImageUrl,
-				maxNoteTextLength: MAX_NOTE_TEXT_LENGTH,
-				// クライアントの手間を減らすためあらかじめJSONに変換しておく
-				defaultLightTheme: instance.defaultLightTheme ? JSON.stringify(JSON5.parse(instance.defaultLightTheme)) : null,
-				defaultDarkTheme: instance.defaultDarkTheme ? JSON.stringify(JSON5.parse(instance.defaultDarkTheme)) : null,
-				ads: ads.map(ad => ({
-					id: ad.id,
-					url: ad.url,
-					place: ad.place,
-					ratio: ad.ratio,
-					imageUrl: ad.imageUrl,
-					dayOfWeek: ad.dayOfWeek,
-				})),
-				notesPerOneAd: instance.notesPerOneAd,
-				enableEmail: instance.enableEmail,
-				enableServiceWorker: instance.enableServiceWorker,
-
-				translatorAvailable: instance.deeplAuthKey != null,
-
-				serverRules: instance.serverRules,
-
-				policies: { ...DEFAULT_POLICIES, ...instance.policies },
-
-				mediaProxy: this.config.mediaProxy,
-
-				...(ps.detail ? {
-					cacheRemoteFiles: instance.cacheRemoteFiles,
-					cacheRemoteSensitiveFiles: instance.cacheRemoteSensitiveFiles,
-					requireSetup: !await this.instanceActorService.realLocalUsersPresent(),
-				} : {}),
-			};
-
-			if (ps.detail) {
-				const proxyAccount = instance.proxyAccountId ? await this.userEntityService.pack(instance.proxyAccountId).catch(() => null) : null;
-
-				response.proxyAccountName = proxyAccount ? proxyAccount.username : null;
-				response.features = {
-					registration: !instance.disableRegistration,
-					emailRequiredForSignup: instance.emailRequiredForSignup,
-					hcaptcha: instance.enableHcaptcha,
-					recaptcha: instance.enableRecaptcha,
-					turnstile: instance.enableTurnstile,
-					objectStorage: instance.useObjectStorage,
-					serviceWorker: instance.enableServiceWorker,
-					miauth: true,
-				};
-			}
-
-			return response;
+			return ps.detail ? await this.metaEntityService.packDetailed() : await this.metaEntityService.pack();
 		});
 	}
 }
diff --git a/packages/backend/src/server/web/ClientServerService.ts b/packages/backend/src/server/web/ClientServerService.ts
index f255e28fc2..e8908f50ec 100644
--- a/packages/backend/src/server/web/ClientServerService.ts
+++ b/packages/backend/src/server/web/ClientServerService.ts
@@ -28,6 +28,7 @@ import type { DbQueue, DeliverQueue, EndedPollNotificationQueue, InboxQueue, Obj
 import { UserEntityService } from '@/core/entities/UserEntityService.js';
 import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
 import { PageEntityService } from '@/core/entities/PageEntityService.js';
+import { MetaEntityService } from '@/core/entities/MetaEntityService.js';
 import { GalleryPostEntityService } from '@/core/entities/GalleryPostEntityService.js';
 import { ClipEntityService } from '@/core/entities/ClipEntityService.js';
 import { ChannelEntityService } from '@/core/entities/ChannelEntityService.js';
@@ -93,6 +94,7 @@ export class ClientServerService {
 		private userEntityService: UserEntityService,
 		private noteEntityService: NoteEntityService,
 		private pageEntityService: PageEntityService,
+		private metaEntityService: MetaEntityService,
 		private galleryPostEntityService: GalleryPostEntityService,
 		private clipEntityService: ClipEntityService,
 		private channelEntityService: ChannelEntityService,
@@ -173,7 +175,7 @@ export class ClientServerService {
 	}
 
 	@bindThis
-	private generateCommonPugData(meta: MiMeta) {
+	private async generateCommonPugData(meta: MiMeta) {
 		return {
 			instanceName: meta.name ?? 'Misskey',
 			icon: meta.iconUrl,
@@ -183,6 +185,8 @@ export class ClientServerService {
 			infoImageUrl: meta.infoImageUrl ?? 'https://xn--931a.moe/assets/info.jpg',
 			notFoundImageUrl: meta.notFoundImageUrl ?? 'https://xn--931a.moe/assets/not-found.jpg',
 			instanceUrl: this.config.url,
+			metaJson: JSON.stringify(await this.metaEntityService.packDetailed(meta)),
+			now: Date.now(),
 		};
 	}
 
@@ -433,7 +437,7 @@ export class ClientServerService {
 				url: this.config.url,
 				title: meta.name ?? 'Misskey',
 				desc: meta.description,
-				...this.generateCommonPugData(meta),
+				...await this.generateCommonPugData(meta),
 			});
 		};
 
@@ -520,7 +524,7 @@ export class ClientServerService {
 					user, profile, me,
 					avatarUrl: user.avatarUrl ?? this.userEntityService.getIdenticonUrl(user),
 					sub: request.params.sub,
-					...this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(meta),
 				});
 			} else {
 				// リモートユーザーなので
@@ -570,7 +574,7 @@ export class ClientServerService {
 					avatarUrl: _note.user.avatarUrl,
 					// TODO: Let locale changeable by instance setting
 					summary: getNoteSummary(_note),
-					...this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(meta),
 				});
 			} else {
 				return await renderBase(reply);
@@ -609,7 +613,7 @@ export class ClientServerService {
 					page: _page,
 					profile,
 					avatarUrl: _page.user.avatarUrl,
-					...this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(meta),
 				});
 			} else {
 				return await renderBase(reply);
@@ -635,7 +639,7 @@ export class ClientServerService {
 					flash: _flash,
 					profile,
 					avatarUrl: _flash.user.avatarUrl,
-					...this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(meta),
 				});
 			} else {
 				return await renderBase(reply);
@@ -661,7 +665,7 @@ export class ClientServerService {
 					clip: _clip,
 					profile,
 					avatarUrl: _clip.user.avatarUrl,
-					...this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(meta),
 				});
 			} else {
 				return await renderBase(reply);
@@ -685,7 +689,7 @@ export class ClientServerService {
 					post: _post,
 					profile,
 					avatarUrl: _post.user.avatarUrl,
-					...this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(meta),
 				});
 			} else {
 				return await renderBase(reply);
@@ -704,7 +708,7 @@ export class ClientServerService {
 				reply.header('Cache-Control', 'public, max-age=15');
 				return await reply.view('channel', {
 					channel: _channel,
-					...this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(meta),
 				});
 			} else {
 				return await renderBase(reply);
@@ -723,7 +727,7 @@ export class ClientServerService {
 				reply.header('Cache-Control', 'public, max-age=3600');
 				return await reply.view('reversi-game', {
 					game: _game,
-					...this.generateCommonPugData(meta),
+					...await this.generateCommonPugData(meta),
 				});
 			} else {
 				return await renderBase(reply);
diff --git a/packages/backend/src/server/web/views/base.pug b/packages/backend/src/server/web/views/base.pug
index d167afe1e8..123336809b 100644
--- a/packages/backend/src/server/web/views/base.pug
+++ b/packages/backend/src/server/web/views/base.pug
@@ -68,6 +68,9 @@ html
 			var VERSION = "#{version}";
 			var CLIENT_ENTRY = "#{clientEntry.file}";
 
+		script(type='application/json' id='misskey_meta' data-generated-at=now)
+			!= metaJson
+
 		script
 			include ../boot.js