Callback request body has no parameters in custom app with box integration

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Yoichi Yamaguchi

• October 16, 2020 15:16

I'm creating a custom app and trying to do a box integration, but my application server receives callback http requests with empty body from box server.

1. Created a custom box app and configured Integrations including callbacks and callback parameters.
2. Created an original application server that receives callbacks using Node.js.
3. The new box app has appeared at a context menu in Box preview.
4. Clicking the icon sent a callback https request to my application server.
5. However, according to the server log , the request body is empty. So, there are no auth_code, file_id, etc.

What could be the reason why the callback request body is empty?

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  Yoichi Yamaguchi

  • October 19, 2020 00:29

  Content-type of the callback request from box server was 'multipart/form-data' that could not handled properly with default express framework settings.

  I have appended multer library to my app and it has been cleared up.

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