| 1 | import { |
| 2 | AbortMultipartUploadCommand, |
| 3 | CompleteMultipartUploadCommand, |
| 4 | CreateMultipartUploadCommand, |
| 5 | DeleteObjectCommand, |
| 6 | GetObjectCommand, |
| 7 | ListMultipartUploadsCommand, |
| 8 | S3Client, |
| 9 | UploadPartCommand, |
| 10 | } from "@aws-sdk/client-s3"; |
| 11 | import { getSignedUrl } |
| 12 | import type { S3DestinationConfig |
| 13 | |
| 14 | export const S3_PART_SIZE = |
| 15 | const PRESIGN_EXPIRY_SECONDS = 14400 |
| 16 | const MAX_PARTS = 10000 |
| 17 | const PARTS_PER_REQUEST = 20 |
| 18 | |
| 19 | export function createS3Client(config |
| 20 | return new S3Client |
| 21 | endpoint: config.endpoint |
| 22 | region: config.region |
| 23 | credentials: { |
| 24 | accessKeyId: config.accessKey |
| 25 | secretAccessKey: config.secretKey |
| 26 | }, |
| 27 | forcePathStyle: config.usePathStyle |
| 28 | }); |
| 29 | } |
| 30 | |
| 31 | export function backupObjectKey(backupUuid |
| 32 | return `backups/${backupUuid |
| 33 | } |
| 34 | |
| 35 | interface MultipartState { |
| 36 | client: S3Client |
| 37 | bucket: string; |
| 38 | key: string; |
| 39 | uploadId: string; |
| 40 | } |
| 41 | |
| 42 | const multiparts = new |
| 43 | |
| 44 | async function ensureMultipart( |
| 45 | config: S3DestinationConfig |
| 46 | backupUuid: string, |
| 47 | ): Promise<MultipartState |
| 48 | const key = |
| 49 | const cached = |
| 50 | if (cached) return |
| 51 | |
| 52 | const client = |
| 53 | const created = |
| 54 | new CreateMultipartUploadCommand({ |
| 55 | ); |
| 56 | if (!created.UploadId |
| 57 | throw new Error( |
| 58 | } |
| 59 | const state: |
| 60 | client, |
| 61 | bucket: config.bucket |
| 62 | key, |
| 63 | uploadId: created.UploadId |
| 64 | }; |
| 65 | multiparts.set(backupUuid |
| 66 | return state; |
| 67 | } |
| 68 | |
| 69 | async function recoverMultipart( |
| 70 | config: S3DestinationConfig |
| 71 | backupUuid: string, |
| 72 | ): Promise<MultipartState |
| 73 | const client = |
| 74 | const key = |
| 75 | const listed = |
| 76 | new ListMultipartUploadsCommand({ |
| 77 | ); |
| 78 | const upload = |
| 79 | if (!upload?.UploadId |
| 80 | return { client, |
| 81 | } |
| 82 | |
| 83 | export async function presignUploadParts |
| 84 | config: S3DestinationConfig |
| 85 | backupUuid: string, |
| 86 | size?: number |
| 87 | fromPart = 1, |
| 88 | ): Promise<{ |
| 89 | const state = |
| 90 | |
| 91 | let partCount: |
| 92 | if (size !== |
| 93 | partCount = Math. |
| 94 | } else { |
| 95 | partCount = Math. |
| 96 | } |
| 97 | |
| 98 | if (fromPart > |
| 99 | return { part_size: |
| 100 | } |
| 101 | |
| 102 | const parts: |
| 103 | const lastPart = |
| 104 | for (let partNumber |
| 105 | const url = |
| 106 | state.client, |
| 107 | new UploadPartCommand({ |
| 108 | Bucket: state.bucket |
| 109 | Key: state.key |
| 110 | UploadId: state.uploadId |
| 111 | PartNumber: partNumber, |
| 112 | }), |
| 113 | { expiresIn: PRESIGN_EXPIRY_SECONDS |
| 114 | ); |
| 115 | parts.push(url |
| 116 | } |
| 117 | |
| 118 | return { part_size: |
| 119 | } |
| 120 | |
| 121 | export async function completeMultipart |
| 122 | config: S3DestinationConfig |
| 123 | backupUuid: string, |
| 124 | parts: { |
| 125 | ): Promise<void |
| 126 | const state = |
| 127 | multiparts.get(backupUuid |
| 128 | if (!state) |
| 129 | throw new Error( |
| 130 | } |
| 131 | |
| 132 | await state.client |
| 133 | new CompleteMultipartUploadCommand({ |
| 134 | Bucket: state.bucket |
| 135 | Key: state.key |
| 136 | UploadId: state.uploadId |
| 137 | MultipartUpload: { |
| 138 | Parts: parts.map |
| 139 | }, |
| 140 | }), |
| 141 | ); |
| 142 | multiparts.delete(backupUuid |
| 143 | } |
| 144 | |
| 145 | export async function abortMultipart |
| 146 | config: S3DestinationConfig |
| 147 | backupUuid: string, |
| 148 | ): Promise<void |
| 149 | const state = |
| 150 | multiparts.get(backupUuid |
| 151 | if (!state) |
| 152 | |
| 153 | await state.client |
| 154 | .send( |
| 155 | new AbortMultipartUploadCommand({ |
| 156 | Bucket: state.bucket |
| 157 | Key: state.key |
| 158 | UploadId: state.uploadId |
| 159 | }), |
| 160 | ) |
| 161 | .catch(() => |
| 162 | multiparts.delete(backupUuid |
| 163 | } |
| 164 | |
| 165 | export async function presignDownloadUrl |
| 166 | config: S3DestinationConfig |
| 167 | backupUuid: string, |
| 168 | ): Promise<string |
| 169 | const client = |
| 170 | return getSignedUrl( |
| 171 | client, |
| 172 | new GetObjectCommand({ |
| 173 | Bucket: config.bucket |
| 174 | Key: backupObjectKey(backupUuid |
| 175 | }), |
| 176 | { expiresIn: PRESIGN_EXPIRY_SECONDS |
| 177 | ); |
| 178 | } |
| 179 | |
| 180 | export async function deleteBackupObject |
| 181 | config: S3DestinationConfig |
| 182 | backupUuid: string, |
| 183 | ): Promise<void |
| 184 | const client = |
| 185 | try { |
| 186 | await client.send |
| 187 | new DeleteObjectCommand({ |
| 188 | Bucket: config.bucket |
| 189 | Key: backupObjectKey(backupUuid |
| 190 | }), |
| 191 | ); |
| 192 | } catch {} |
| 193 | } |