JezK
Edit File: extension_blacklist.rb
module CarrierWave module Uploader module ExtensionBlacklist extend ActiveSupport::Concern included do before :cache, :check_blacklist! end ## # Override this method in your uploader to provide a black list of extensions which # are prohibited to be uploaded. Compares the file's extension case insensitive. # Furthermore, not only strings but Regexp are allowed as well. # # When using a Regexp in the black list, `\A` and `\z` are automatically added to # the Regexp expression, also case insensitive. # # === Returns # [NilClass, Array[String,Regexp]] a black list of extensions which are prohibited to be uploaded # # === Examples # # def extension_black_list # %w(swf tiff) # end # # Basically the same, but using a Regexp: # # def extension_black_list # [/swf/, 'tiff'] # end # def extension_black_list; end private def check_blacklist!(new_file) extension = new_file.extension.to_s if extension_black_list and extension_black_list.detect { |item| extension =~ /\A#{item}\z/i } raise CarrierWave::IntegrityError, I18n.translate(:"errors.messages.extension_black_list_error", :extension => new_file.extension.inspect, :prohibited_types => extension_black_list.join(", ")) end end end end end