lib/lockbox/carrier_wave_extensions.rb in lockbox-0.3.5 vs lib/lockbox/carrier_wave_extensions.rb in lockbox-0.3.6

@@ -6,16 +6,22 @@
 
         def encrypt(file)
           @file = CarrierWave::SanitizedFile.new(lockbox.encrypt_io(file))
         end
 
+        # TODO safe to memoize?
         def read
           r = super
           lockbox.decrypt(r) if r
         end
 
         def size
           read.bytesize
+        end
+
+        # based on CarrierWave::SanitizedFile#mime_magic_content_type
+        def content_type
+          MimeMagic.by_magic(read).try(:type) || "invalid/invalid"
         end
 
         def rotate_encryption!
           io = Lockbox::IO.new(read)
           io.original_filename = file.filename