Method exchange_code

src/google_oauth_api.py:206–246

用授权码换取token

(self, code: str)

        return f"{self.auth_endpoint}?{urlencode(params)}"

    async def exchange_code(self, code: str) -> Credentials:
        """用授权码换取token"""
        data = {
            "client_id": self.client_id,
            "client_secret": self.client_secret,
            "redirect_uri": self.redirect_uri,
            "code": code,
            "grant_type": "authorization_code",
        }

        try:
            oauth_base_url = await get_oauth_proxy_url()
            token_url = f"{oauth_base_url.rstrip('/')}/token"
            response = await post_async(
                token_url, data=data, headers={"Content-Type": "application/x-www-form-urlencoded"}
            )
            response.raise_for_status()

            token_data = response.json()

            # 计算过期时间
            expires_at = None
            if "expires_in" in token_data:
                expires_in = int(token_data["expires_in"])
                expires_at = datetime.now(timezone.utc) + timedelta(seconds=expires_in)

            # 创建凭证对象
            self.credentials = Credentials(
                access_token=token_data["access_token"],
                refresh_token=token_data.get("refresh_token"),
                client_id=self.client_id,
                client_secret=self.client_secret,
                expires_at=expires_at,
            )

            return self.credentials

        except Exception as e:
            error_msg = f"获取token失败: {str(e)}"
            log.error(error_msg)
            raise TokenError(error_msg)


class ServiceAccount: