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specify tagalong headers for multipart uploads #40

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merged 1 commit into from
May 16, 2024
Merged

specify tagalong headers for multipart uploads #40

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18 changes: 17 additions & 1 deletion object-uploader.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,13 @@ import type { Client, ObjectMetadata, UploadedObjectInfo } from "./client.ts";
import { getVersionId, sanitizeETag } from "./helpers.ts";
import { parse as parseXML } from "./xml-parser.ts";

// Metadata headers that must be included in each part of a multi-part upload
const multipartTagAlongMetadataKeys = [
"x-amz-server-side-encryption-customer-algorithm",
"x-amz-server-side-encryption-customer-key",
"x-amz-server-side-encryption-customer-key-MD5",
];

/**
* Stream a file to S3
*
Expand Down Expand Up @@ -68,10 +75,19 @@ export class ObjectUploader extends WritableStream<Uint8Array> {
})).uploadId;
}
// Upload the next part
const partHeaders: Record<string, string> = {
"Content-Length": String(chunk.length),
};
for (const key of multipartTagAlongMetadataKeys) {
const value = metadata[key];
if (value) {
partHeaders[key] = value;
}
}
const partPromise = client.makeRequest({
method,
query: { partNumber: partNumber.toString(), uploadId },
headers: new Headers({ "Content-Length": String(chunk.length) }),
headers: new Headers(partHeaders),
bucketName: bucketName,
objectName: objectName,
payload: chunk,
Expand Down