Files
AFFiNE/packages/backend/server/src/modules/storage/storage.service.ts
2023-10-18 15:30:08 +00:00

44 lines
1.4 KiB
TypeScript

import { PutObjectCommand, S3Client } from '@aws-sdk/client-s3';
import { Inject, Injectable } from '@nestjs/common';
import { crc32 } from '@node-rs/crc32';
import { fileTypeFromBuffer } from 'file-type';
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore - no types
import { getStreamAsBuffer } from 'get-stream';
import { Config } from '../../config';
import { FileUpload } from '../../types';
import { FSService } from './fs';
import { S3_SERVICE } from './s3';
@Injectable()
export class StorageService {
constructor(
@Inject(S3_SERVICE) private readonly s3: S3Client,
private readonly fs: FSService,
private readonly config: Config
) {}
async uploadFile(key: string, file: FileUpload) {
if (this.config.objectStorage.r2.enabled) {
const readableFile = file.createReadStream();
const fileBuffer = await getStreamAsBuffer(readableFile);
const mime = (await fileTypeFromBuffer(fileBuffer))?.mime;
const crc32Value = crc32(fileBuffer);
const keyWithCrc32 = `${crc32Value}-${key}`;
await this.s3.send(
new PutObjectCommand({
Body: fileBuffer,
Bucket: this.config.objectStorage.r2.bucket,
Key: keyWithCrc32,
ContentLength: fileBuffer.length,
ContentType: mime,
})
);
return `https://avatar.affineassets.com/${keyWithCrc32}`;
} else {
return this.fs.writeFile(key, file);
}
}
}