I am using presigned URLs to upload files (urls are generated via Go code), is there a way to enforce a certain content type and make the uploaded file public for reads prior or after upload?
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Hello,
You can, for both and they would need to add those parameters to the code, for example here is the Go SDK for uploading; let me see if I can find an example where params has been added too.
Refer to below link:
https://www.digitalocean.com/docs/spaces/resources/s3-sdk-examples/#generate-a-pre-signed-url-to-upload-a-file
eg like this curl(but same thing in the Go code in needed), it has a header for content-type:
curl -X PUT
-H “Content-Type: text”
-d “The contents of the file.”
“https://example-space-name.nyc3.digitaloceanspaces.com/new-file.ext?AWSAccessKeyId=EXAMPLE7UQOTHDTF3GK4&Content-Type=text&Expires=1580419378&Signature=YIXPlynk4BALXE6fH7vqbnwjSEw%3D”
Few more links, which will likely be helpful too:
https://docs.ceph.com/en/latest/radosgw/s3/ https://github.com/awsdocs/aws-doc-sdk-examples/blob/master/go/example_code/s3/s3_put_bucket_object_acl.go
Hope this helps!
Cheers, Sri Charan