enhance: metaをSSR HTMLに埋め込む

packages/backend/src/core/CoreModule.ts

@@ -116,6 +116,7 @@ import { FlashEntityService } from './entities/FlashEntityService.js';
 import { FlashLikeEntityService } from './entities/FlashLikeEntityService.js';
 import { RoleEntityService } from './entities/RoleEntityService.js';
 import { ReversiGameEntityService } from './entities/ReversiGameEntityService.js';
+import { MetaEntityService } from './entities/MetaEntityService.js';
 
 import { ApAudienceService } from './activitypub/ApAudienceService.js';
 import { ApDbResolverService } from './activitypub/ApDbResolverService.js';
@@ -205,6 +206,7 @@ const $FanoutTimelineEndpointService: Provider = { provide: 'FanoutTimelineEndpo
 const $ChannelFollowingService: Provider = { provide: 'ChannelFollowingService', useExisting: ChannelFollowingService };
 const $RegistryApiService: Provider = { provide: 'RegistryApiService', useExisting: RegistryApiService };
 const $ReversiService: Provider = { provide: 'ReversiService', useExisting: ReversiService };
+const $MetaEntityService: Provider = { provide: 'MetaEntityService', useExisting: MetaEntityService };
 
 const $ChartLoggerService: Provider = { provide: 'ChartLoggerService', useExisting: ChartLoggerService };
 const $FederationChart: Provider = { provide: 'FederationChart', useExisting: FederationChart };
@@ -393,6 +395,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		FlashLikeEntityService,
 		RoleEntityService,
 		ReversiGameEntityService,
+		MetaEntityService,
 
 		ApAudienceService,
 		ApDbResolverService,
@@ -528,6 +531,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$FlashLikeEntityService,
 		$RoleEntityService,
 		$ReversiGameEntityService,
+		$MetaEntityService,
 
 		$ApAudienceService,
 		$ApDbResolverService,
@@ -663,6 +667,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		FlashLikeEntityService,
 		RoleEntityService,
 		ReversiGameEntityService,
+		MetaEntityService,
 
 		ApAudienceService,
 		ApDbResolverService,
@@ -797,6 +802,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$FlashLikeEntityService,
 		$RoleEntityService,
 		$ReversiGameEntityService,
+		$MetaEntityService,
 
 		$ApAudienceService,
 		$ApDbResolverService,

packages/backend/src/core/entities/MetaEntityService.ts

@@ -0,0 +1,154 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Brackets } from 'typeorm';
+import { Inject, Injectable } from '@nestjs/common';
+import JSON5 from 'json5';
+import type { Packed } from '@/misc/json-schema.js';
+import type { MiMeta } from '@/models/Meta.js';
+import type { AdsRepository } from '@/models/_.js';
+import { MAX_NOTE_TEXT_LENGTH } from '@/const.js';
+import { MetaService } from '@/core/MetaService.js';
+import { bindThis } from '@/decorators.js';
+import { UserEntityService } from '@/core/entities/UserEntityService.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';
+
+@Injectable()
+export class MetaEntityService {
+	constructor(
+		@Inject(DI.config)
+		private config: Config,
+
+		@Inject(DI.adsRepository)
+		private adsRepository: AdsRepository,
+
+		private userEntityService: UserEntityService,
+		private metaService: MetaService,
+		private instanceActorService: InstanceActorService,
+	) { }
+
+	@bindThis
+	public async pack(meta?: MiMeta): Promise<Packed<'MetaLite'>> {
+		let instance = meta;
+
+		if (!instance) {
+			instance = await this.metaService.fetch();
+		}
+
+		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 packed: Packed<'MetaLite'> = {
+			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 ?? '/assets/ai.png',
+			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,
+		};
+
+		return packed;
+	}
+
+	@bindThis
+	public async packDetailed(meta?: MiMeta): Promise<Packed<'MetaDetailed'>> {
+		let instance = meta;
+
+		if (!instance) {
+			instance = await this.metaService.fetch();
+		}
+
+		const packed = await this.pack(instance);
+
+		const proxyAccount = instance.proxyAccountId ? await this.userEntityService.pack(instance.proxyAccountId).catch(() => null) : null;
+
+		const packDetailed: Packed<'MetaDetailed'> = {
+			...packed,
+			cacheRemoteFiles: instance.cacheRemoteFiles,
+			cacheRemoteSensitiveFiles: instance.cacheRemoteSensitiveFiles,
+			requireSetup: !await this.instanceActorService.realLocalUsersPresent(),
+			proxyAccountName: proxyAccount ? proxyAccount.username : null,
+			features: {
+				localTimeline: instance.policies.ltlAvailable,
+				globalTimeline: instance.policies.gtlAvailable,
+				registration: !instance.disableRegistration,
+				emailRequiredForSignup: instance.emailRequiredForSignup,
+				hcaptcha: instance.enableHcaptcha,
+				recaptcha: instance.enableRecaptcha,
+				turnstile: instance.enableTurnstile,
+				objectStorage: instance.useObjectStorage,
+				serviceWorker: instance.enableServiceWorker,
+				miauth: true,
+			},
+		};
+
+		return packDetailed;
+	}
+}
+

packages/backend/src/misc/json-schema.ts

@@ -50,6 +50,11 @@ import {
 } from '@/models/json-schema/role.js';
 import { packedAdSchema } from '@/models/json-schema/ad.js';
 import { packedReversiGameLiteSchema, packedReversiGameDetailedSchema } from '@/models/json-schema/reversi-game.js';
+import {
+	packedMetaLiteSchema,
+	packedMetaDetailedOnlySchema,
+	packedMetaDetailedSchema,
+} from '@/models/json-schema/meta.js';
 
 export const refs = {
 	UserLite: packedUserLiteSchema,
@@ -99,6 +104,9 @@ export const refs = {
 	RolePolicies: packedRolePoliciesSchema,
 	ReversiGameLite: packedReversiGameLiteSchema,
 	ReversiGameDetailed: packedReversiGameDetailedSchema,
+	MetaLite: packedMetaLiteSchema,
+	MetaDetailedOnly: packedMetaDetailedOnlySchema,
+	MetaDetailed: packedMetaDetailedSchema,
 };
 
 export type Packed<x extends keyof typeof refs> = SchemaType<typeof refs[x]>;