# File lib/fog/aws/requests/storage/put_bucket_acl.rb, line 30
        def put_bucket_acl(bucket_name, acl)
          data = ""
          headers = {}
          
          if acl.is_a?(Hash)
            data = Fog::Storage::AWS.hash_to_acl(acl)
          else
            if !['private', 'public-read', 'public-read-write', 'authenticated-read'].include?(acl)
              raise Excon::Errors::BadRequest.new('invalid x-amz-acl')
            end
            headers['x-amz-acl'] = acl
          end

          headers['Content-MD5'] = Base64.encode64(Digest::MD5.digest(data)).strip
          headers['Content-Type'] = 'application/json'
          headers['Date'] = Fog::Time.now.to_date_header

          request({
            :body     => data,
            :expects  => 200,
            :headers  => headers,
            :host     => "#{bucket_name}.#{@host}",
            :method   => 'PUT',
            :query    => {'acl' => nil}
          })
        end