forms.py 文件源码

def clean_message(self):
        # Quick check if the message really came encrypted
        message = self.cleaned_data.get("message")
        lines = message.split("\r\n")

        if getsizeof(message) > MAX_MESSAGE_SIZE:
            self.add_error(
                "message",
                _('The message or file exceeds your allowed size limit.')
            )

        begin = "-----BEGIN PGP MESSAGE-----"
        end = "-----END PGP MESSAGE-----"

        try:
            if lines[0] != begin or lines[-1] != end:
                self.add_error("message", _('Invalid PGP message'))
        except IndexError:
            self.add_error("message", _('Invalid PGP message'))
        return message