def decrypt(in_filename, out_filename, cipher_key_getter):
key = cipher_key_getter()
if key is None:
log.error("No key to decrypt file '%s', will ignore it", in_filename)
log.debug("Decrypting file '%s' with key '%s'. Resulting file will be called '%s'." %
(in_filename, key, out_filename))
Cipher.decrypt_file(key=key, in_filename=in_filename, out_filename=out_filename)
log.info("File '%s' decrypted to '%s'." % (in_filename, out_filename))
def untransform(in_filename, cipher_key_getter):
to_process_filename = in_filename
if ToImage.ToImage.is_transformed(in_filename):
dst_filename = to_process_filename[:-len(ToImage.ToImage.get_extension())]
transform_from_image(to_process_filename, dst_filename)
to_process_filename = dst_filename
if Cipher.is_transformed(to_process_filename):
dst_filename = to_process_filename[:-len(Cipher.get_extension())]
decrypt(to_process_filename, dst_filename, cipher_key_getter)
