| 1 | import { Injectable, Logger } from '@nestjs/common' |
| 2 | import { AppException, ResponseCode } from '@yikart/common' |
| 3 | import OSS from 'ali-oss' |
| 4 | import { AliOssConfig } from './ali-oss.config' |
| 5 | |
| 6 | @Injectable() |
| 7 | export class AliOssService { |
| 8 | private readonly logger = new Logger(AliOssService.name) |
| 9 | |
| 10 | constructor( |
| 11 | private readonly config: AliOssConfig, |
| 12 | private readonly client: OSS, |
| 13 | ) {} |
| 14 | |
| 15 | getClient(): OSS { |
| 16 | return this.client |
| 17 | } |
| 18 | |
| 19 | async putObject(key: string, file: Buffer | string, options?: OSS.PutObjectOptions) { |
| 20 | return await this.client.put(key, file, options) |
| 21 | } |
| 22 | |
| 23 | async putObjectFromUrl(url: string, objectPath: string) { |
| 24 | try { |
| 25 | await this.client.head(objectPath) |
| 26 | return { path: objectPath, exists: true } |
| 27 | } |
| 28 | catch { |
| 29 | const response = await fetch(url) |
| 30 | if (response.body === null) { |
| 31 | throw new AppException(ResponseCode.S3DownloadFileFailed) |
| 32 | } |
| 33 | const buffer = Buffer.from(await response.arrayBuffer()) |
| 34 | const contentType = response.headers.get('content-type') || undefined |
| 35 | const options: OSS.PutObjectOptions = contentType ? { headers: { 'Content-Type': contentType } } : {} |
| 36 | await this.client.put(objectPath, buffer, options) |
| 37 | return { path: objectPath } |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | async getObject(key: string) { |
| 42 | return await this.client.get(key) |
| 43 | } |
| 44 | |
| 45 | async deleteObject(key: string) { |
| 46 | return await this.client.delete(key) |
| 47 | } |
| 48 | |
| 49 | async listObjects(query: OSS.ListObjectsQuery, options?: OSS.RequestOptions) { |
| 50 | return await this.client.list(query, options ?? {}) |
| 51 | } |
| 52 | |
| 53 | async getSignUrl(key: string, options?: OSS.SignatureUrlOptions) { |
| 54 | return this.client.signatureUrl(key, options) |
| 55 | } |
| 56 | |
| 57 | getUploadSignUrl(key: string, contentType?: string, trafficLimit?: number, callback?: OSS.ObjectCallback): string { |
| 58 | return this.client.signatureUrl(key, { |
| 59 | 'method': 'PUT', |
| 60 | 'expires': this.config.signExpires, |
| 61 | 'Content-Type': contentType, |
| 62 | trafficLimit, |
| 63 | ...(callback ? { callback } : {}), |
| 64 | }) |
| 65 | } |
| 66 | |
| 67 | async headObject(key: string) { |
| 68 | return await this.client.head(key) |
| 69 | } |
| 70 | |
| 71 | async copyObject( |
| 72 | objectPath: string, |
| 73 | options: { |
| 74 | contentType?: string |
| 75 | contentDisposition?: string |
| 76 | metadata?: Record<string, string> |
| 77 | }, |
| 78 | ) { |
| 79 | const headers: Record<string, string> = {} |
| 80 | if (options.contentType) |
| 81 | headers['Content-Type'] = options.contentType |
| 82 | if (options.contentDisposition) |
| 83 | headers['Content-Disposition'] = options.contentDisposition |
| 84 | const copyOptions: OSS.CopyObjectOptions = { |
| 85 | headers, |
| 86 | meta: options.metadata as OSS.UserMeta | undefined, |
| 87 | } |
| 88 | await this.client.copy(objectPath, objectPath, copyOptions) |
| 89 | } |
| 90 | } |
| 91 |