misskey/packages/backend/src/core/S3Service.ts

70 lines
2.6 KiB
TypeScript

import { URL } from 'node:url';
import * as http from 'node:http';
import * as https from 'node:https';
import { Inject, Injectable } from '@nestjs/common';
import { DeleteObjectCommand, S3Client } from '@aws-sdk/client-s3';
import { Upload } from '@aws-sdk/lib-storage';
import { NodeHttpHandler, NodeHttpHandlerOptions } from '@aws-sdk/node-http-handler';
import { DI } from '@/di-symbols.js';
import type { Config } from '@/config.js';
import type { Meta } from '@/models/entities/Meta.js';
import { HttpRequestService } from '@/core/HttpRequestService.js';
import { bindThis } from '@/decorators.js';
import type { DeleteObjectCommandInput, PutObjectCommandInput } from '@aws-sdk/client-s3';
@Injectable()
export class S3Service {
constructor(
@Inject(DI.config)
private config: Config,
private httpRequestService: HttpRequestService,
) {
}
@bindThis
public getS3Client(meta: Meta): S3Client {
const u = meta.objectStorageEndpoint
? `${meta.objectStorageUseSSL ? 'https' : 'http'}://${meta.objectStorageEndpoint}`
: `${meta.objectStorageUseSSL ? 'https' : 'http'}://example.net`; // dummy url to select http(s) agent
const agent = this.httpRequestService.getAgentByUrl(new URL(u), !meta.objectStorageUseProxy);
const handlerOption: NodeHttpHandlerOptions = {};
if (meta.objectStorageUseSSL) {
handlerOption.httpsAgent = agent as https.Agent;
} else {
handlerOption.httpAgent = agent as http.Agent;
}
return new S3Client({
endpoint: meta.objectStorageEndpoint ? u : undefined,
credentials: (meta.objectStorageAccessKey !== null && meta.objectStorageSecretKey !== null) ? {
accessKeyId: meta.objectStorageAccessKey,
secretAccessKey: meta.objectStorageSecretKey,
} : undefined,
region: meta.objectStorageRegion ? meta.objectStorageRegion : undefined, // 空文字列もundefinedにするため ?? は使わない
tls: meta.objectStorageUseSSL,
forcePathStyle: meta.objectStorageEndpoint ? meta.objectStorageS3ForcePathStyle : false, // AWS with endPoint omitted
requestHandler: new NodeHttpHandler(handlerOption),
});
}
@bindThis
public async upload(meta: Meta, input: PutObjectCommandInput) {
const client = this.getS3Client(meta);
return new Upload({
client,
params: input,
partSize: (client.config.endpoint && (await client.config.endpoint()).hostname === 'storage.googleapis.com')
? 500 * 1024 * 1024
: 8 * 1024 * 1024,
}).done();
}
@bindThis
public delete(meta: Meta, input: DeleteObjectCommandInput) {
const client = this.getS3Client(meta);
return client.send(new DeleteObjectCommand(input));
}
}