/// <summary>
/// 获取当前传入的区域信息
/// </summary>
/// <param name="request">http 请求信息</param>
/// <param name="regionNameOverride"> region name 字符串</param>
/// <returns>格式化后的region 信息 </returns>
private string ParseRegion(SdkHttpRequest request, string regionNameOverride)
{
#if NET35
return(!string.IsNullOrEmpty(regionNameOverride) && !string.IsNullOrEmpty(regionNameOverride.Trim()) ? regionNameOverride
: HostNameUtils.ParseRegion(request.GetEndpoint().Host
, this.ServiceName));
#else
return(!string.IsNullOrWhiteSpace(regionNameOverride)? regionNameOverride
: HostNameUtils.ParseRegion(request.GetEndpoint().Host
, this.ServiceName));
#endif
}
/// <summary>
/// 构造方法
/// </summary>
/// <param name="request">http 请求信息</param>
/// <param name="signingDateOverride">要重写的时间信息</param>
/// <param name="regionNameOverride">要重写的region name</param>
/// <param name="serviceName">要重写的service name</param>
/// <param name="signingAlgorithm">要使用的加密算法字符串</param>
public SignerRequestParams(SdkHttpRequest request,
DateTime?signingDateOverride, string regionNameOverride,
string serviceName, string signingAlgorithm)
{
#if NET35
if (string.IsNullOrEmpty(signingAlgorithm) || string.IsNullOrEmpty(signingAlgorithm.Trim()))
#else
if (string.IsNullOrWhiteSpace(signingAlgorithm))
#endif
{
throw new ArgumentNullException("Signing Algorithm can not be null.");
}
this.Request = request ?? throw new ArgumentNullException("Request can not be null.");
DateTime dateTimeUtcNow = signingDateOverride == null?DateTime.UtcNow:signingDateOverride.Value;
this.FormattedSigningDate = dateTimeUtcNow.ToString("yyyyMMdd");
this.ServiceName = serviceName;
this.RegionName = ParseRegion(request, regionNameOverride);
this.Scope = GenerateScope(this.FormattedSigningDate, this.ServiceName, this.RegionName);
this.FormattedSigningDateTime = dateTimeUtcNow.ToString("yyyyMMdd'T'HHmmss'Z'");
this.SigningAlgorithm = signingAlgorithm;
}
