2016-12-01 05:32:11 +09:00
|
|
|
# frozen_string_literal: true
|
2017-02-11 10:12:05 +09:00
|
|
|
|
2016-11-24 08:31:38 +09:00
|
|
|
module ObfuscateFilename
|
|
|
|
extend ActiveSupport::Concern
|
|
|
|
|
|
|
|
class_methods do
|
|
|
|
def obfuscate_filename(*args)
|
|
|
|
before_action { obfuscate_filename(*args) }
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
def obfuscate_filename(path)
|
|
|
|
file = params.dig(*path)
|
|
|
|
return if file.nil?
|
|
|
|
|
2017-03-14 23:59:21 +09:00
|
|
|
file.original_filename = secure_token + File.extname(file.original_filename)
|
|
|
|
end
|
|
|
|
|
|
|
|
def secure_token(length = 16)
|
|
|
|
SecureRandom.hex(length / 2)
|
2016-11-24 08:31:38 +09:00
|
|
|
end
|
|
|
|
end
|