public static List <DnsRecordBase> ResolveOverHttpByDPlus(string domainName)
{
try
{
string dnsStr = MyCurl.GetString($"http://119.29.29.29/d?dn={domainName}&ttl=1"
, DnsSettings.Http2Enable, DnsSettings.ProxyEnable, DnsSettings.WProxy,
DnsSettings.AllowAutoRedirect);
if (string.IsNullOrWhiteSpace(dnsStr))
{
return(null);
}
var ttlTime = Convert.ToInt32(dnsStr.Split(',')[1]);
var dnsAnswerList = dnsStr.Split(',')[0].Split(';');
return(dnsAnswerList
.Select(item => new ARecord(DomainName.Parse(domainName), ttlTime, IPAddress.Parse(item)))
.Cast <DnsRecordBase>().ToList());
}
catch (Exception e)
{
BackgroundLog(
$@"| - Catch WebException : {e.Message} | {domainName} | http://119.29.29.29/d?dn={domainName}&ttl=1");
return(new List <DnsRecordBase>());
}
}
public static (List <DnsRecordBase> list, ReturnCode statusCode) ResolveOverHttpsByDnsMsg(string clientIpAddress, string domainName, string dohUrl,
bool proxyEnable = false, IWebProxy wProxy = null, RecordType type = RecordType.A)
{
DnsMessage dnsMsg;
var dnsBase64String = Convert.ToBase64String(MyDnsSend.GetQuestionData(domainName.TrimEnd('.'), type)).TrimEnd('=')
.Replace('+', '-').Replace('/', '_');
try
{
var dnsDataBytes = MyCurl.GetData(
$"{dohUrl}?ct=application/dns-message&dns={dnsBase64String}",
DnsSettings.Http2Enable, proxyEnable, wProxy, DnsSettings.AllowAutoRedirect);
dnsMsg = DnsMessage.Parse(dnsDataBytes);
if (DnsSettings.Ipv4Disable || DnsSettings.Ipv6Disable)
{
foreach (var item in dnsMsg.AnswerRecords.ToArray())
{
if (item.RecordType == RecordType.A && DnsSettings.Ipv4Disable)
{
dnsMsg.AnswerRecords.Remove(item);
}
if (item.RecordType == RecordType.Aaaa && DnsSettings.Ipv6Disable)
{
dnsMsg.AnswerRecords.Remove(item);
}
}
}
}
catch (WebException e)
{
HttpWebResponse response = (HttpWebResponse)e.Response;
try
{
BackgroundLog(
$@"| - Catch WebException : {Convert.ToInt32(response.StatusCode)} {response.StatusCode} | {domainName} | {dohUrl} | {dnsBase64String}");
if (response.StatusCode == HttpStatusCode.BadRequest)
{
DnsSettings.DnsMsgEnable = false;
return(ResolveOverHttpsByDnsJson(clientIpAddress, domainName, DnsSettings.SecondHttpsDnsUrl,
proxyEnable, wProxy, type));
}
}
catch (Exception exception)
{
BackgroundLog(
$@"| - Catch WebException : {exception.Message} | {domainName} | {dohUrl} | {dnsBase64String}");
}
if (dohUrl != DnsSettings.HttpsDnsUrl)
{
return(new List <DnsRecordBase>(), ReturnCode.ServerFailure);
}
BackgroundLog($@"| -- SecondDoH : {DnsSettings.SecondHttpsDnsUrl}");
return(ResolveOverHttpsByDnsMsg(clientIpAddress, domainName, DnsSettings.SecondHttpsDnsUrl,
proxyEnable, wProxy, type));
}
return(dnsMsg.AnswerRecords, dnsMsg.ReturnCode);
}
public static (List <DnsRecordBase> list, ReturnCode statusCode) ResolveOverHttpsByDnsJson(string clientIpAddress,
string domainName, string dohUrl,
bool proxyEnable = false, IWebProxy wProxy = null, RecordType type = RecordType.A)
{
string dnsStr;
List <DnsRecordBase> recordList = new List <DnsRecordBase>();
try
{
dnsStr = MyCurl.GetString(dohUrl + @"?ct=application/dns-json&" +
$"name={domainName}&type={type.ToString().ToUpper()}&edns_client_subnet={clientIpAddress}",
DnsSettings.Http2Enable, proxyEnable, wProxy, DnsSettings.AllowAutoRedirect);
}
catch (WebException e)
{
HttpWebResponse response = (HttpWebResponse)e.Response;
try
{
BackgroundLog($@"| - Catch WebException : {Convert.ToInt32(response.StatusCode)} {response.StatusCode} | {e.Status} | {domainName} | {response.ResponseUri}");
if (DnsSettings.HTTPStatusNotify)
{
MainWindow.NotifyIcon.ShowBalloonTip(360, "AuroraDNS - 错误",
$"异常 :{Convert.ToInt32(response.StatusCode)} {response.StatusCode} {Environment.NewLine} {domainName}", ToolTipIcon.Warning);
}
if (response.StatusCode == HttpStatusCode.BadRequest)
{
DnsSettings.DnsMsgEnable = true;
}
}
catch (Exception exception)
{
BackgroundLog($@"| - Catch WebException : {exception.Message} | {e.Status} | {domainName} | {dohUrl}" + @"?ct=application/dns-json&" +
$"name={domainName}&type={type.ToString().ToUpper()}&edns_client_subnet={clientIpAddress}");
if (DnsSettings.HTTPStatusNotify)
{
MainWindow.NotifyIcon.ShowBalloonTip(360, "AuroraDNS - 错误",
$"异常 : {exception.Message} {Environment.NewLine} {domainName}", ToolTipIcon.Warning);
}
}
if (dohUrl != DnsSettings.HttpsDnsUrl)
{
return(new List <DnsRecordBase>(), ReturnCode.ServerFailure);
}
BackgroundLog($@"| -- SecondDoH : {DnsSettings.SecondHttpsDnsUrl}");
return(ResolveOverHttpsByDnsJson(clientIpAddress, domainName, DnsSettings.SecondHttpsDnsUrl,
proxyEnable, wProxy, type));
}
JsonValue dnsJsonValue = Json.Parse(dnsStr);
int statusCode = dnsJsonValue.AsObjectGetInt("Status");
if (statusCode != 0)
{
return(new List <DnsRecordBase>(), (ReturnCode)statusCode);
}
if (dnsStr.Contains("\"Answer\""))
{
var dnsAnswerJsonList = dnsJsonValue.AsObjectGetArray("Answer");
foreach (var itemJsonValue in dnsAnswerJsonList)
{
string answerAddr = itemJsonValue.AsObjectGetString("data");
string answerDomainName = itemJsonValue.AsObjectGetString("name");
int answerType = itemJsonValue.AsObjectGetInt("type");
int ttl = itemJsonValue.AsObjectGetInt("TTL");
switch (type)
{
case RecordType.A when Convert.ToInt32(RecordType.A) == answerType && !DnsSettings.Ipv4Disable:
{
ARecord aRecord = new ARecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aRecord);
break;
}
case RecordType.A:
{
if (Convert.ToInt32(RecordType.CName) == answerType)
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
//recordList.AddRange(ResolveOverHttps(clientIpAddress,answerAddr));
//return recordList;
}
break;
}
case RecordType.Aaaa when Convert.ToInt32(RecordType.Aaaa) == answerType && !DnsSettings.Ipv6Disable:
{
AaaaRecord aaaaRecord = new AaaaRecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aaaaRecord);
break;
}
case RecordType.Aaaa:
{
if (Convert.ToInt32(RecordType.CName) == answerType)
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
}
break;
}
case RecordType.CName when answerType == Convert.ToInt32(RecordType.CName):
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
break;
}
case RecordType.Ns when answerType == Convert.ToInt32(RecordType.Ns):
{
NsRecord nsRecord = new NsRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(nsRecord);
break;
}
case RecordType.Mx when answerType == Convert.ToInt32(RecordType.Mx):
{
MxRecord mxRecord = new MxRecord(
DomainName.Parse(answerDomainName), ttl,
ushort.Parse(answerAddr.Split(' ')[0]),
DomainName.Parse(answerAddr.Split(' ')[1]));
recordList.Add(mxRecord);
break;
}
case RecordType.Txt when answerType == Convert.ToInt32(RecordType.Txt):
{
TxtRecord txtRecord = new TxtRecord(DomainName.Parse(answerDomainName), ttl, answerAddr);
recordList.Add(txtRecord);
break;
}
case RecordType.Ptr when answerType == Convert.ToInt32(RecordType.Ptr):
{
PtrRecord ptrRecord = new PtrRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(ptrRecord);
break;
}
default:
statusCode = Convert.ToInt32(ReturnCode.ServerFailure);
break;
}
}
}
return(recordList, (ReturnCode)statusCode);
}
