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# File 'lib/lockbox/carrier_wave_extensions.rb', line 3
def encrypt(**options)
class_eval do
before :cache, :encrypt
def encrypt(file)
@file = CarrierWave::SanitizedFile.new(lockbox.encrypt_io(file))
end
def read
r = super
lockbox.decrypt(r) if r
end
def size
read.bytesize
end
def rotate_encryption!
io = Lockbox::IO.new(read)
io.original_filename = file.filename
previous_value = enable_processing
begin
self.enable_processing = false
store!(io)
ensure
self.enable_processing = previous_value
end
end
private
define_method :lockbox do
@lockbox ||= begin
table = model ? model.class.table_name : "_uploader"
attribute =
if mounted_as
mounted_as.to_s
else
uploader = self
while uploader.parent_version
uploader = uploader.parent_version
end
uploader.class.name.sub(/Uploader\z/, "").underscore
end
Utils.build_box(self, options, table, attribute)
end
end
end
end
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