validators.py 文件源码

def _validate_recaptcha(self, challenge, response, remote_addr):
        """Performs the actual validation."""
        try:
            private_key = current_app.config['RECAPTCHA_PRIVATE_KEY']
        except KeyError:
            raise RuntimeError("No RECAPTCHA_PRIVATE_KEY config set")

        data = url_encode({
            'privatekey': private_key,
            'remoteip':   remote_addr,
            'challenge':  challenge,
            'response':   response
        })

        response = http.urlopen(RECAPTCHA_VERIFY_SERVER, to_bytes(data))

        if response.code != 200:
            return False

        rv = [l.strip() for l in response.readlines()]

        if rv and rv[0] == to_bytes('true'):
            return True

        if len(rv) > 1:
            error = rv[1]
            if error in self._error_codes:
                raise RuntimeError(self._error_codes[error])

        return False