lib/carrierwave/base64/base64_string_io.rb in carrierwave-base64-2.5.3 vs lib/carrierwave/base64/base64_string_io.rb in carrierwave-base64-2.6.0

@@ -1,21 +1,16 @@
 module Carrierwave
   module Base64
     class Base64StringIO < StringIO
-      class ArgumentError < StandardError; end
-
       attr_accessor :file_extension, :file_name
 
       def initialize(encoded_file, file_name)
         description, encoded_bytes = encoded_file.split(',')
 
-        raise ArgumentError unless encoded_bytes
-        raise ArgumentError if encoded_bytes.eql?('(null)')
-
         @file_name = file_name
         @file_extension = get_file_extension description
-        bytes = ::Base64.decode64 encoded_bytes
+        bytes = ::Base64.strict_decode64 encoded_bytes
 
         super bytes
       end
 
       def original_filename
@@ -26,10 +21,11 @@
 
       def get_file_extension(description)
         content_type = description.split(';base64').first
         mime_type = MIME::Types[content_type].first
         unless mime_type
-          raise ArgumentError, "Unknown MIME type: #{content_type}"
+          raise Carrierwave::Base64::UnknownMimeTypeError,
+                "Unknown MIME type: #{content_type}"
         end
         mime_type.preferred_extension
       end
     end
   end