import { Inject, Injectable } from '@nestjs/common'; import { DataSource, In, IsNull } from 'typeorm'; import * as Redis from 'ioredis'; import { DI } from '@/di-symbols.js'; import { IdService } from '@/core/IdService.js'; import { EmojiEntityService } from '@/core/entities/EmojiEntityService.js'; import { GlobalEventService } from '@/core/GlobalEventService.js'; import type { DriveFile } from '@/models/entities/DriveFile.js'; import type { Emoji } from '@/models/entities/Emoji.js'; import type { EmojisRepository } from '@/models/index.js'; import { bindThis } from '@/decorators.js'; import { MemoryKVCache, RedisSingleCache } from '@/misc/cache.js'; import { UtilityService } from '@/core/UtilityService.js'; import type { Config } from '@/config.js'; import { query } from '@/misc/prelude/url.js'; import type { Serialized } from '@/server/api/stream/types.js'; @Injectable() export class CustomEmojiService { private cache: MemoryKVCache; public localEmojisCache: RedisSingleCache>; constructor( @Inject(DI.redis) private redisClient: Redis.Redis, @Inject(DI.config) private config: Config, @Inject(DI.db) private db: DataSource, @Inject(DI.emojisRepository) private emojisRepository: EmojisRepository, private utilityService: UtilityService, private idService: IdService, private emojiEntityService: EmojiEntityService, private globalEventService: GlobalEventService, ) { this.cache = new MemoryKVCache(1000 * 60 * 60 * 12); this.localEmojisCache = new RedisSingleCache>(this.redisClient, 'localEmojis', { lifetime: 1000 * 60 * 30, // 30m memoryCacheLifetime: 1000 * 60 * 3, // 3m fetcher: () => this.emojisRepository.find({ where: { host: IsNull() } }).then(emojis => new Map(emojis.map(emoji => [emoji.name, emoji]))), toRedisConverter: (value) => JSON.stringify(Array.from(value.values())), fromRedisConverter: (value) => { if (!Array.isArray(JSON.parse(value))) return undefined; // 古いバージョンの壊れたキャッシュが残っていることがある(そのうち消す) return new Map(JSON.parse(value).map((x: Serialized) => [x.name, { ...x, updatedAt: x.updatedAt ? new Date(x.updatedAt) : null, }])); }, }); } @bindThis public async add(data: { driveFile: DriveFile; name: string; category: string | null; aliases: string[]; host: string | null; license: string | null; }): Promise { const emoji = await this.emojisRepository.insert({ id: this.idService.genId(), updatedAt: new Date(), name: data.name, category: data.category, host: data.host, aliases: data.aliases, originalUrl: data.driveFile.url, publicUrl: data.driveFile.webpublicUrl ?? data.driveFile.url, type: data.driveFile.webpublicType ?? data.driveFile.type, license: data.license, }).then(x => this.emojisRepository.findOneByOrFail(x.identifiers[0])); if (data.host == null) { this.localEmojisCache.refresh(); this.globalEventService.publishBroadcastStream('emojiAdded', { emoji: await this.emojiEntityService.packDetailed(emoji.id), }); } return emoji; } @bindThis public async update(id: Emoji['id'], data: { name?: string; category?: string | null; aliases?: string[]; license?: string | null; }): Promise { const emoji = await this.emojisRepository.findOneByOrFail({ id: id }); const sameNameEmoji = await this.emojisRepository.findOneBy({ name: data.name, host: IsNull() }); if (sameNameEmoji != null && sameNameEmoji.id !== id) throw new Error('name already exists'); await this.emojisRepository.update(emoji.id, { updatedAt: new Date(), name: data.name, category: data.category, aliases: data.aliases, license: data.license, }); this.localEmojisCache.refresh(); const updated = await this.emojiEntityService.packDetailed(emoji.id); if (emoji.name === data.name) { this.globalEventService.publishBroadcastStream('emojiUpdated', { emojis: [updated], }); } else { this.globalEventService.publishBroadcastStream('emojiDeleted', { emojis: [await this.emojiEntityService.packDetailed(emoji)], }); this.globalEventService.publishBroadcastStream('emojiAdded', { emoji: updated, }); } } @bindThis public async addAliasesBulk(ids: Emoji['id'][], aliases: string[]) { const emojis = await this.emojisRepository.findBy({ id: In(ids), }); for (const emoji of emojis) { await this.emojisRepository.update(emoji.id, { updatedAt: new Date(), aliases: [...new Set(emoji.aliases.concat(aliases))], }); } this.localEmojisCache.refresh(); this.globalEventService.publishBroadcastStream('emojiUpdated', { emojis: await this.emojiEntityService.packDetailedMany(ids), }); } @bindThis public async setAliasesBulk(ids: Emoji['id'][], aliases: string[]) { await this.emojisRepository.update({ id: In(ids), }, { updatedAt: new Date(), aliases: aliases, }); this.localEmojisCache.refresh(); this.globalEventService.publishBroadcastStream('emojiUpdated', { emojis: await this.emojiEntityService.packDetailedMany(ids), }); } @bindThis public async removeAliasesBulk(ids: Emoji['id'][], aliases: string[]) { const emojis = await this.emojisRepository.findBy({ id: In(ids), }); for (const emoji of emojis) { await this.emojisRepository.update(emoji.id, { updatedAt: new Date(), aliases: emoji.aliases.filter(x => !aliases.includes(x)), }); } this.localEmojisCache.refresh(); this.globalEventService.publishBroadcastStream('emojiUpdated', { emojis: await this.emojiEntityService.packDetailedMany(ids), }); } @bindThis public async setCategoryBulk(ids: Emoji['id'][], category: string | null) { await this.emojisRepository.update({ id: In(ids), }, { updatedAt: new Date(), category: category, }); this.localEmojisCache.refresh(); this.globalEventService.publishBroadcastStream('emojiUpdated', { emojis: await this.emojiEntityService.packDetailedMany(ids), }); } @bindThis public async delete(id: Emoji['id']) { const emoji = await this.emojisRepository.findOneByOrFail({ id: id }); await this.emojisRepository.delete(emoji.id); this.localEmojisCache.refresh(); this.globalEventService.publishBroadcastStream('emojiDeleted', { emojis: [await this.emojiEntityService.packDetailed(emoji)], }); } @bindThis public async deleteBulk(ids: Emoji['id'][]) { const emojis = await this.emojisRepository.findBy({ id: In(ids), }); for (const emoji of emojis) { await this.emojisRepository.delete(emoji.id); } this.localEmojisCache.refresh(); this.globalEventService.publishBroadcastStream('emojiDeleted', { emojis: await this.emojiEntityService.packDetailedMany(emojis), }); } @bindThis private normalizeHost(src: string | undefined, noteUserHost: string | null): string | null { // クエリに使うホスト let host = src === '.' ? null // .はローカルホスト (ここがマッチするのはリアクションのみ) : src === undefined ? noteUserHost // ノートなどでホスト省略表記の場合はローカルホスト (ここがリアクションにマッチすることはない) : this.utilityService.isSelfHost(src) ? null // 自ホスト指定 : (src || noteUserHost); // 指定されたホスト || ノートなどの所有者のホスト (こっちがリアクションにマッチすることはない) host = this.utilityService.toPunyNullable(host); return host; } @bindThis public parseEmojiStr(emojiName: string, noteUserHost: string | null) { const match = emojiName.match(/^(\w+)(?:@([\w.-]+))?$/); if (!match) return { name: null, host: null }; const name = match[1]; // ホスト正規化 const host = this.utilityService.toPunyNullable(this.normalizeHost(match[2], noteUserHost)); return { name, host }; } /** * 添付用(リモート)カスタム絵文字URLを解決する * @param emojiName ノートやユーザープロフィールに添付された、またはリアクションのカスタム絵文字名 (:は含めない, リアクションでローカルホストの場合は@.を付ける (これはdecodeReactionで可能)) * @param noteUserHost ノートやユーザープロフィールの所有者のホスト * @returns URL, nullは未マッチを意味する */ @bindThis public async populateEmoji(emojiName: string, noteUserHost: string | null): Promise { const { name, host } = this.parseEmojiStr(emojiName, noteUserHost); if (name == null) return null; if (host == null) return null; const queryOrNull = async () => (await this.emojisRepository.findOneBy({ name, host: host ?? IsNull(), })) ?? null; const emoji = await this.cache.fetch(`${name} ${host}`, queryOrNull); if (emoji == null) return null; return emoji.publicUrl || emoji.originalUrl; // || emoji.originalUrl してるのは後方互換性のため(publicUrlはstringなので??はだめ) } /** * 複数の添付用(リモート)カスタム絵文字URLを解決する (キャシュ付き, 存在しないものは結果から除外される) */ @bindThis public async populateEmojis(emojiNames: string[], noteUserHost: string | null): Promise> { const emojis = await Promise.all(emojiNames.map(x => this.populateEmoji(x, noteUserHost))); const res = {} as any; for (let i = 0; i < emojiNames.length; i++) { if (emojis[i] != null) { res[emojiNames[i]] = emojis[i]; } } return res; } /** * 与えられた絵文字のリストをデータベースから取得し、キャッシュに追加します */ @bindThis public async prefetchEmojis(emojis: { name: string; host: string | null; }[]): Promise { const notCachedEmojis = emojis.filter(emoji => this.cache.get(`${emoji.name} ${emoji.host}`) == null); const emojisQuery: any[] = []; const hosts = new Set(notCachedEmojis.map(e => e.host)); for (const host of hosts) { if (host == null) continue; emojisQuery.push({ name: In(notCachedEmojis.filter(e => e.host === host).map(e => e.name)), host: host, }); } const _emojis = emojisQuery.length > 0 ? await this.emojisRepository.find({ where: emojisQuery, select: ['name', 'host', 'originalUrl', 'publicUrl'], }) : []; for (const emoji of _emojis) { this.cache.set(`${emoji.name} ${emoji.host}`, emoji); } } }