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How to upload a file with axios request which can run both in the nodejs and browser env

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carolbu

I'm trying to write codes with javascripts to upload a file version with the endpoint:

https://upload.box.com/api/2.0/files/:file_id/content.
 
It works well if I pass the File object in the formData for the file parameter.
 
But as the File type only exists in the browser, so I tried to use arraybuffer/buffer as the file value(I also don't want to use the fs.stream as it only works in the nodejs), but it seems the result is not correct after I have uploaded the content to the server(the file content is changed).
But if I set the content to be plain text, the upload result also works well.
 
So, my question is how to pass an arraybuffer/buffer/string as the content for a file?
 
The following are my codes:
    let body = "";
    const binary = this.ab2str(_fileBuffer);
    body +=
      "--" +
      boundary +
      '\r\nContent-Disposition: form-data; name="attributes"' +
      "\r\n\r\n" +
      `{"name": "${item.filename}"}` +
      "\r\n" +
      "--" +
      boundary +
      '\r\nContent-Disposition: form-data; name="file"; filename="' +
      item.filename +
      '"' +
      "\r\nContent-type: application/octet-stream" +
      "\r\n\r\n" +
      binary +
      "\r\n" +
      "--" +
      boundary +
      "--\r\n";

    try {
      const response = await axios.post(
        `${getUploadFileVersion(identifier)}`,
        body,
        {
          headers: {
            "Content-Type": `multipart/form-data; boundary=${boundary}`,
            Authorization: `Bearer ${tokenInfo.accessToken}`
          }
        }
      );
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  • jcleblanc

    Hi ,

     

    There are a few things to unpack on this one. We asked around the team, and while we have a number of axios samples, they don't show what you're looking for via a buffer. On this front we have an internal ticket filed to spend some time looking at this in the context of chunked uploads, which would provide that information. This is most likely a little ways out on the list but we're tracking it.

     

    Here are a few things that might help you in what you're looking for:

    • JavaScript SDK: This is part of our community projects and isn't directly maintained by Box, but it will give you a front-end JS solution that may provide the capabilities needed.
    • Node SDK: Using in conjunction with the JavaScript SDK to provide the server-side capabilities for communicating with Box.

    - Jon

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  • carolbu

    Thanks for your effort looking into this problem.

    I resloved it finally by build up a customized formdata to remove the gap between the browser and NodeJS.

     

    As you said, I also need to look into the chunked API if the file size is bigger than 50M.

     

    Thanks again for your reply

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