Question

SignatureDoesNotMatch with DigitalOcean Spaces presigned URL

Posted December 15, 2018 1.5k views
DigitalOceanDevelopment

I keep getting SignatureDoesNotMatch errors with pre-signed URL PUT requests for uploading files. I tried both v2 and v4 signature versions, double checked CORS policies and API keys. Regular file upload works, so it’s not an issue with my API keys. I can also reproduce this issue using s3cmd

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2 answers

Never mind I got it working. For me I had to set x-amz-acl header to match the ACL parameter used to generate the pre-signed URL. I did not have to do this for AWS.

I confirm.

The problem is that with presigned url (putObject), you have to send again all headers specified in the putObject request (acl, metadata, etc).

This is very annoying, with aws is not needed. Can a digitalocean developer explain whether this will be fixed or not?

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