Is it possible to get only the key for an attachment stored in s3?

[Bandes]

Hi - I know that if I have an attachment stored in s3 I can do something like record.file_url to get a url to the file - but I would like to get just the key to the file because I have some non-shrine file operations I need to do with the attachment. I know that I could do some regex or split nonsense on the url to extract the key, but I am hoping that there might be a shrine attacher method that I don't know about which could just return the key for me directly?

Maybe I just need "#{record.file_data['storage']}/#{record.file_data['id']}"?

[jrochkind]

Hi, what do you mean by the "key" to the file? Can you give an example? Woudln't non-shrine file operations still need the URL to get access to the file on S3? Or do you want a s3:// uri identifier, is that the "key"?

Or are you maybe looking for record.file_url(public: true)?

[Bandes]

No, I want to access these files through the S3 SDK directly, and in order to do so I need the identifier that S3 uses as the key - this is part of the file_url but not the whole thing. I believe that the key is the storage plus the id so I think I can just construct that, but I was hoping there might be a simpler way.