Box Node SDK - upload issue with non-file read stream

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raybirk

2019年05月09日 15:52

My nodejs app has a client authenticated as an enterprise user. It works fine if I try to upload a file as below:

var fs = require("fs");
var stream = fs.createReadStream("z.txt");

boxClient.files
        .uploadFile(folderId, filename, stream)
        .catch(reason => console.log("Upload file error", reason));

However, I don't have a file but a stream. I tried with a simple readable stream and it fails:

const Readable = require("stream").Readable;
const s = new Readable();
s.push("testing");
s.push(null);

boxClient.files
        .uploadFile(folderId, filename, s)
        .catch(reason => console.log("Upload file error", reason));

The error I get is:

"Error: Unexpected API Response [400 Bad Request] bad_request - Stream ended unexpectedly"

Is the SDK treating file streams differently or am I missing something?

3件のコメント

mwiller

2019年05月09日 16:37
In order to construct the API request, the internal networking library the SDK uses requires the stream to supply the amount of data it will provide (measured in bytes). The allows the library to correctly calculate the `Content-Length` header for the request. You can read more about this in a previously-reported issue on GitHub, which includes a helpful workaround for custom streams: https://github.com/box/box-node-sdk/issues/143
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stephencweiss

2020年06月17日 13:54
can you provide any guidance on _how_ you might indicate size?

For example, I have
```
await client.files
.uploadFile(FOLDER_ID, fileName, fileToUpload, {size})
```
where size is the `size` in bytes of the `fileToUpload`

I've looked at the API docs (https://developer.box.com/reference/post-files-content) and don't see anything there.

Thanks!
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stephencweiss

2020年06月18日 12:29
Update -- you can't: https://github.com/box/box-node-sdk/issues/144

size is only available on the Chunked Upload
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