forked from mirrors/misskey
50 lines
1.4 KiB
TypeScript
50 lines
1.4 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
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import * as Redis from 'ioredis';
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import type { MiUser } from '@/models/User.js';
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import type { UserKeypairsRepository } from '@/models/_.js';
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import { RedisKVCache } from '@/misc/cache.js';
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import type { MiUserKeypair } from '@/models/UserKeypair.js';
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import { DI } from '@/di-symbols.js';
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import { bindThis } from '@/decorators.js';
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@Injectable()
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export class UserKeypairService implements OnApplicationShutdown {
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private cache: RedisKVCache<MiUserKeypair>;
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constructor(
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@Inject(DI.redis)
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private redisClient: Redis.Redis,
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@Inject(DI.userKeypairsRepository)
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private userKeypairsRepository: UserKeypairsRepository,
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) {
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this.cache = new RedisKVCache<MiUserKeypair>(this.redisClient, 'userKeypair', {
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lifetime: 1000 * 60 * 60 * 24, // 24h
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memoryCacheLifetime: Infinity,
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fetcher: (key) => this.userKeypairsRepository.findOneByOrFail({ userId: key }),
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toRedisConverter: (value) => JSON.stringify(value),
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fromRedisConverter: (value) => JSON.parse(value),
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});
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}
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@bindThis
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public async getUserKeypair(userId: MiUser['id']): Promise<MiUserKeypair> {
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return await this.cache.fetch(userId);
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}
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@bindThis
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public dispose(): void {
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this.cache.dispose();
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}
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@bindThis
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public onApplicationShutdown(signal?: string | undefined): void {
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this.dispose();
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}
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}
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