/// <summary>
/// 根据键名获取Cookie值
/// </summary>
/// <param name="key">键名</param>
/// <returns>value</returns>
public string Get(string key)
{
if (_httpContext == null)
{
throw new ArgumentNullException(nameof(_httpContext));
}
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (Contains(key))
{
var encodedValue = _chunkingHttpCookie.GetRequestCookie(_httpContext, key);
var protectedData = string.Empty;
if (Base64TextEncoder.TryDecode(encodedValue, out protectedData))
{
string unprotectedData;
if (_dataProtector.TryUnprotect(protectedData, out unprotectedData))
{
return(unprotectedData);
}
}
return(encodedValue);
}
return(string.Empty);
}
/// <summary>
/// 设置Cookie信息
/// </summary>
/// <param name="key">键名</param>
/// <param name="value">值</param>
/// <param name="option">Cookie选项</param>
/// <param name="expireTime">过期时间</param>
private void Set(string key, string value, CookieOptions option, int?expireTime)
{
if (option == null)
{
option = new CookieOptions();
if (expireTime.HasValue)
{
option.Expires = DateTime.Now.AddMinutes(expireTime.Value);
}
else
{
option.Expires = DateTime.Now.AddDays(_cookieManagerOptions.DefaultExpireTimeInDays);
}
}
//判断是否需要加密
if (_cookieManagerOptions.AllowEncryption)
{
string protecetedData = _dataProtector.Protect(value);
var encodedValue = Base64TextEncoder.Encode(protecetedData);
_chunkingHttpCookie.AppendResponseCookie(_httpContext, key, encodedValue, option);
}
else
{
_chunkingHttpCookie.AppendResponseCookie(_httpContext, key, value, option);
}
}