internal void SignatureRequest()
{
QueryCollection queries = new QueryCollection();
PropertyInfo[] propertyInfos = this.GetType().GetProperties(InstanceBindFlags);
if (propertyInfos == null || propertyInfos.Length == 0)
{
throw new Exception("Can not get class properties.");
}
foreach (var item in propertyInfos)
{
string name = item.Name;
if (name == "IsSignature" || name == "Signature")
{
continue;
}
object valueObj = item.GetValue(this, null);
string value = valueObj?.ToString();
queries.Add(name, value);
}
queries.Sort((x, y) =>
{
for (int i = 0; i < (x.Key.Length < y.Key.Length ? x.Key.Length : y.Key.Length); i++)
{
int val = x.Key[i] - y.Key[i];
if (val != 0)
{
return(val);
}
else
{
continue;
}
}
return(0);
});
StringBuilder sb = new StringBuilder();
sb.Append(AppConfig.DdnsApiRequestMethod);
sb.Append(AppConfig.DdnsApiRequestUrl.Replace("https://", ""));
sb.Append("?");
sb.Append(string.Join("&", queries.Select(t =>
{
//不能对中文进行URL Encode
if (string.Equals(t.Key, "domain", StringComparison.OrdinalIgnoreCase) ||
string.Equals(t.Key, "recordline", StringComparison.OrdinalIgnoreCase) ||
string.Equals(t.Key, "subDomain", StringComparison.OrdinalIgnoreCase))
{
return($"{t.Key}={(t.Value ?? "")}");
}
return($"{HttpUtil.UrlEncode(t.Key)}={(t.Value == null ? "" : HttpUtil.UrlEncode(t.Value))}");
})));
HMAC mac = null;
if (SignatureMethod == SignatureType.HmacSHA1)
{
mac = new HMACSHA1(Encoding.UTF8.GetBytes(AppConfig.SecretKey));
}
else
{
mac = new HMACSHA256(Encoding.UTF8.GetBytes(AppConfig.SecretKey));
}
byte[] hashBytes = mac.ComputeHash(Encoding.UTF8.GetBytes(sb.ToString()));
mac.Dispose();
Signature = HttpUtil.UrlEncode(Convert.ToBase64String(hashBytes));
IsSignature = true;
}