Method: Lockbox::ActiveStorageExtensions::Attachment#open

Defined in:
lib/lockbox/active_storage_extensions.rb

#open(**options) ⇒ Object 



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# File 'lib/lockbox/active_storage_extensions.rb', line 128

def open(**options)
  blob.open(**options) do |file|
    options = Utils.encrypted_options(record, name)
    # only trust the metadata when migrating
    # as earlier versions of Lockbox won't have it
    # and it's not a good practice to trust modifiable data
    encrypted = options && (!options[:migrating] || blob.metadata["encrypted"])
    if encrypted
      result = Utils.decrypt_result(record, name, options, file.read)
      file.rewind
      # truncate may not be available on all platforms
      # according to the Ruby docs
      # may need to create a new temp file instead
      file.truncate(0)
      file.write(result)
      file.rewind
    end

    yield file
  end
end