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Contents
require 'active_model/validations/presence'
module Paperclip
module Validators
class MediaTypeSpoofDetectionValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
adapter = Paperclip.io_adapters.for(value)
if Paperclip::MediaTypeSpoofDetector.using(adapter, value.original_filename, value.content_type).spoofed?
record.errors.add(attribute, :spoofed_media_type)
end
end
end
module HelperMethods
# Places ActiveModel validations on the presence of a file.
# Options:
# * +if+: A lambda or name of an instance method. Validation will only
# be run if this lambda or method returns true.
# * +unless+: Same as +if+ but validates if lambda or method returns false.
def validates_media_type_spoof_detection(*attr_names)
options = _merge_attributes(attr_names)
validates_with MediaTypeSpoofDetectionValidator, options.dup
validate_before_processing MediaTypeSpoofDetectionValidator, options.dup
end
end
end
end
Version data entries
29 entries across 27 versions & 6 rubygems