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Contents
module CarrierWave
module Uploader
module ContentTypeWhitelist
extend ActiveSupport::Concern
included do
before :cache, :check_content_type_whitelist!
end
##
# Override this method in your uploader to provide a whitelist of files content types
# which are allowed to be uploaded.
# Not only strings but Regexp are allowed as well.
#
# === Returns
#
# [NilClass, String, Regexp, Array[String, Regexp]] a whitelist of content types which are allowed to be uploaded
#
# === Examples
#
# def content_type_whitelist
# %w(text/json application/json)
# end
#
# Basically the same, but using a Regexp:
#
# def content_type_whitelist
# [/(text|application)\/json/]
# end
#
def content_type_whitelist; end
private
def check_content_type_whitelist!(new_file)
content_type = new_file.content_type
if content_type_whitelist && !whitelisted_content_type?(content_type)
raise CarrierWave::IntegrityError, I18n.translate(:"errors.messages.content_type_whitelist_error", content_type: content_type)
end
end
def whitelisted_content_type?(content_type)
Array(content_type_whitelist).any? { |item| content_type =~ /#{item}/ }
end
end # ContentTypeWhitelist
end # Uploader
end # CarrierWave
Version data entries
12 entries across 12 versions & 2 rubygems