Trying to upload attachment blob to Egnyte REST API

Question

I am having an issue specifically trying to upload an attachment blob to Egnyte using the REST API. Code is below. Any input is appreciated, I am guessing my POST is missing something but I can't see it.

Attachment att = [SELECT Body FROM Attachment WHERE Id = '00P55000001p7tE'];

String destinationPath = 'pubapi/v1/fs-content/Shared/Salesforce.com/Accounts/Amy%20Test/Opportunities/Amy%20Test%20no%20MgmtCo/Test/test';

Http h = new Http();
HttpRequest req = new HttpRequest();
req.setMethod('POST');
req.setBodyAsBlob(att.Body);
req.setHeader('Authorization', 'Bearer ' + authResponse.access_token);

req.setEndpoint('callout:EgnyteDerrickCredential/' + destinationPath);
HttpResponse res = h.send(req);

System.Debug(res.getBody());

With response:

18:55:56:582 USER_DEBUG [53]|DEBUG|{"message":"content length do not match with DB object size for workgroupid:65a17409-23cc-4f04-baf6-00f5cbecbb6d and objectId: 157.9c1ce840-b63c-4609-9204-10548c617015 actual size: 0, expected size: 55456"}

Answer 1

There seems to be an issue with the Salesforce library that you are utilizing setting an incorrect value for the content-length header. Thus, the request is unable to upload the file. Our development team is looking into the issue now and will have an update soon.

Thanks.

Cara de Freitas Bart (Associate Product Manager at Egnyte)

Answer 2

I needed to specify the content-type with the header before sending. That fixed the issue.

req.setHeader('Content-Type', 'application/octet-stream');