def validate_request(self):
self._validate_operation()
self._validate_url()
self._validate_signature()
self._validate_client()
self._validate_host()
opts = self._get_save_options()
ops = self._get_operations()
if "resize" in ops:
Image.validate_dimensions(self.get_argument("w"), self.get_argument("h"))
opts.update(self._get_resize_options())
if "rotate" in ops:
Image.validate_degree(self.get_argument("deg"))
opts.update(self._get_rotate_options())
if "region" in ops:
Image.validate_rectangle(self.get_argument("rect"))
Image.validate_options(opts)
