validators.py 文件源码

def __call__(self, form, field):
        if current_app.testing:
            return True

        if request.json:
            challenge = request.json.get('recaptcha_challenge_field', '')
            response = request.json.get('recaptcha_response_field', '')
        else:
            challenge = request.form.get('recaptcha_challenge_field', '')
            response = request.form.get('recaptcha_response_field', '')
        remote_ip = request.remote_addr

        if not challenge or not response:
            raise ValidationError(field.gettext(self.message))

        if not self._validate_recaptcha(challenge, response, remote_ip):
            field.recaptcha_error = 'incorrect-captcha-sol'
            raise ValidationError(field.gettext(self.message))