Function refreshToken

lib/api.ts:164–214

* 刷新 Token * 尝试从多个来源获取 refresh_token

()

 * 尝试从多个来源获取 refresh_token
 */
async function refreshToken(): Promise<RefreshTokenResponse> {
  console.log('[refreshToken] 调用刷新接口');
  
  // 尝试从多个来源获取 refresh_token
  let refreshTokenValue = null;
  
  // 1. 尝试从 localStorage 读取
  if (typeof window !== 'undefined') {
    refreshTokenValue = localStorage.getItem('refresh_token');
    if (refreshTokenValue) {
      console.log('[refreshToken] 从 localStorage 获取到 refresh_token');
    }
  }
  
  // 2. 如果 localStorage 没有，尝试从非 httpOnly cookie 读取
  if (!refreshTokenValue && typeof document !== 'undefined') {
    const cookies = document.cookie.split(';');
    for (const cookie of cookies) {
      const [name, value] = cookie.trim().split('=');
      if (name === 'refresh_token') {
        refreshTokenValue = value;
        console.log('[refreshToken] 从 cookie 获取到 refresh_token');
        break;
      }
    }
  }
  
  if (!refreshTokenValue) {
    console.error('[refreshToken] 无法获取 refresh_token');
    throw new Error('No refresh token available');
  }
  
  const response = await fetch(`${API_BASE_URL}/api/auth/refresh`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    credentials: 'include', // 发送 cookies（以防后端也支持从 cookie 读取）
    body: JSON.stringify({ refresh_token: refreshTokenValue }),
  });
  
  if (!response.ok) {
    const error = await response.json().catch(() => ({ detail: 'Token refresh failed' }));
    console.error('[refreshToken] 刷新失败:', error);
    throw new Error('Token refresh failed');
  }
  
  const data = await response.json();
  console.log('[refreshToken] 刷新成功');
  return data;
}

/**
 * 带自动刷新的 fetch 请求