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import { createReadStream, createWriteStream, ensureDir, ReadStream } from 'fs-extra'
import { dirname } from 'path'
import { Readable } from 'stream'
import {
CompleteMultipartUploadCommandOutput,
DeleteObjectCommand,
GetObjectCommand,
ListObjectsV2Command,
PutObjectCommandInput
} from '@aws-sdk/client-s3'
import { Upload } from '@aws-sdk/lib-storage'
import { pipelinePromise } from '@server/helpers/core-utils'
import { isArray } from '@server/helpers/custom-validators/misc'
import { logger } from '@server/helpers/logger'
import { CONFIG } from '@server/initializers/config'
import { getPrivateUrl } from '../urls'
import { getClient } from './client'
import { lTags } from './logger'
type BucketInfo = {
BUCKET_NAME: string
PREFIX?: string
}
async function storeObject (options: {
inputPath: string
objectStorageKey: string
bucketInfo: BucketInfo
}): Promise<string> {
const { inputPath, objectStorageKey, bucketInfo } = options
logger.debug('Uploading file %s to %s%s in bucket %s', inputPath, bucketInfo.PREFIX, objectStorageKey, bucketInfo.BUCKET_NAME, lTags())
const fileStream = createReadStream(inputPath)
return uploadToStorage({ objectStorageKey, content: fileStream, bucketInfo })
}
async function removeObject (filename: string, bucketInfo: BucketInfo) {
const command = new DeleteObjectCommand({
Bucket: bucketInfo.BUCKET_NAME,
Key: buildKey(filename, bucketInfo)
})
return getClient().send(command)
}
async function removePrefix (prefix: string, bucketInfo: BucketInfo) {
const s3Client = getClient()
const commandPrefix = bucketInfo.PREFIX + prefix
const listCommand = new ListObjectsV2Command({
Bucket: bucketInfo.BUCKET_NAME,
Prefix: commandPrefix
})
const listedObjects = await s3Client.send(listCommand)
// FIXME: use bulk delete when s3ninja will support this operation
// const deleteParams = {
// Bucket: bucketInfo.BUCKET_NAME,
// Delete: { Objects: [] }
// }
if (isArray(listedObjects.Contents) !== true) {
const message = `Cannot remove ${commandPrefix} prefix in bucket ${bucketInfo.BUCKET_NAME}: no files listed.`
logger.error(message, { response: listedObjects, ...lTags() })
throw new Error(message)
}
for (const object of listedObjects.Contents) {
const command = new DeleteObjectCommand({
Bucket: bucketInfo.BUCKET_NAME,
Key: object.Key
})
await s3Client.send(command)
// FIXME: use bulk delete when s3ninja will support this operation
// deleteParams.Delete.Objects.push({ Key: object.Key })
}
// FIXME: use bulk delete when s3ninja will support this operation
// const deleteCommand = new DeleteObjectsCommand(deleteParams)
// await s3Client.send(deleteCommand)
// Repeat if not all objects could be listed at once (limit of 1000?)
if (listedObjects.IsTruncated) await removePrefix(prefix, bucketInfo)
}
async function makeAvailable (options: {
key: string
destination: string
bucketInfo: BucketInfo
}) {
const { key, destination, bucketInfo } = options
await ensureDir(dirname(options.destination))
const command = new GetObjectCommand({
Bucket: bucketInfo.BUCKET_NAME,
Key: buildKey(key, bucketInfo)
})
const response = await getClient().send(command)
const file = createWriteStream(destination)
await pipelinePromise(response.Body as Readable, file)
file.close()
}
function buildKey (key: string, bucketInfo: BucketInfo) {
return bucketInfo.PREFIX + key
}
// ---------------------------------------------------------------------------
export {
BucketInfo,
buildKey,
storeObject,
removeObject,
removePrefix,
makeAvailable
}
// ---------------------------------------------------------------------------
async function uploadToStorage (options: {
content: ReadStream
objectStorageKey: string
bucketInfo: BucketInfo
}) {
const { content, objectStorageKey, bucketInfo } = options
const input: PutObjectCommandInput = {
Body: content,
Bucket: bucketInfo.BUCKET_NAME,
Key: buildKey(objectStorageKey, bucketInfo)
}
if (CONFIG.OBJECT_STORAGE.UPLOAD_ACL) {
input.ACL = CONFIG.OBJECT_STORAGE.UPLOAD_ACL
}
const parallelUploads3 = new Upload({
client: getClient(),
queueSize: 4,
partSize: CONFIG.OBJECT_STORAGE.MAX_UPLOAD_PART,
// `leavePartsOnError` must be set to `true` to avoid silently dropping failed parts
// More detailed explanation:
// https://github.com/aws/aws-sdk-js-v3/blob/v3.164.0/lib/lib-storage/src/Upload.ts#L274
// https://github.com/aws/aws-sdk-js-v3/issues/2311#issuecomment-939413928
leavePartsOnError: true,
params: input
})
const response = (await parallelUploads3.done()) as CompleteMultipartUploadCommandOutput
// Check is needed even if the HTTP status code is 200 OK
// For more information, see https://docs.aws.amazon.com/AmazonS3/latest/API/API_CompleteMultipartUpload.html
if (!response.Bucket) {
const message = `Error uploading ${objectStorageKey} to bucket ${bucketInfo.BUCKET_NAME}`
logger.error(message, { response, ...lTags() })
throw new Error(message)
}
logger.debug(
'Completed %s%s in bucket %s',
bucketInfo.PREFIX, objectStorageKey, bucketInfo.BUCKET_NAME, lTags()
)
return getPrivateUrl(bucketInfo, objectStorageKey)
}
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