/// <summary>
/// Acts as a Factory which reads QType from Immutable IResource param to return concrete type which implements IResource.
/// </summary>
/// <param name="data"></param>
/// <param name="position"></param>
/// <param name="resource"></param>
/// <returns></returns>
private static IResource ReadAnswer(ref byte[] data, int position, IResource resource)
{
switch (resource.Type)
{
case QType.TXT:
return(TxtRecord.Parse(data, position, resource));
case QType.MX:
return(MxRecord.Parse(data, position, resource));
case QType.A:
return(ARecord.Parse(data, position, resource));
case QType.SOA:
return(SoaRecord.Parse(data, position, resource));
case QType.NS:
return(NsRecord.Parse(data, position, resource));
case QType.CNAME:
return(CNameRecord.Parse(data, position, resource));
}
return(null); //TODO: Thrown Exception Here
}
private void _read()
{
_name = new DomainName(m_io, this, m_root);
_type = ((DnsPacket.RecordType)m_io.ReadU2be());
_answerClass = ((DnsPacket.ClassType)m_io.ReadU2be());
_ttl = m_io.ReadS4be();
_rdlength = m_io.ReadU2be();
switch (Type)
{
case DnsPacket.RecordType.Aaaa: {
_rdata = new AaaaRecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.A: {
_rdata = new ARecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.Mx: {
_rdata = new MxRecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.Cname: {
_rdata = new CnameRecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.Ns: {
_rdata = new NsRecord(m_io, this, m_root);
break;
}
case DnsPacket.RecordType.Ptr: {
_rdata = new PtrRecord(m_io, this, m_root);
break;
}
}
}
public DnsResourceRecord GetRecord(ResourceRecordInfo info)
{
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
var oldIndex = _reader.Index;
DnsResourceRecord result;
switch (info.RecordType)
{
case ResourceRecordType.A:
result = new ARecord(info, _reader.ReadIPAddress());
break;
case ResourceRecordType.NS:
result = new NsRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.CNAME:
result = new CNameRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.SOA:
result = ResolveSoaRecord(info);
break;
case ResourceRecordType.MB:
result = new MbRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.MG:
result = new MgRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.MR:
result = new MrRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.NULL:
result = new NullRecord(info, _reader.ReadBytes(info.RawDataLength).ToArray());
break;
case ResourceRecordType.WKS:
result = ResolveWksRecord(info);
break;
case ResourceRecordType.PTR:
result = new PtrRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.HINFO:
result = new HInfoRecord(info, _reader.ReadString(), _reader.ReadString());
break;
case ResourceRecordType.MINFO:
result = new MInfoRecord(info, _reader.ReadDnsName(), _reader.ReadDnsName());
break;
case ResourceRecordType.MX:
result = ResolveMXRecord(info);
break;
case ResourceRecordType.TXT:
result = ResolveTXTRecord(info);
break;
case ResourceRecordType.RP:
result = new RpRecord(info, _reader.ReadDnsName(), _reader.ReadDnsName());
break;
case ResourceRecordType.AFSDB:
result = new AfsDbRecord(info, (AfsType)_reader.ReadUInt16NetworkOrder(), _reader.ReadDnsName());
break;
case ResourceRecordType.AAAA:
result = new AaaaRecord(info, _reader.ReadIPv6Address());
break;
case ResourceRecordType.SRV:
result = ResolveSrvRecord(info);
break;
case ResourceRecordType.OPT:
result = ResolveOptRecord(info);
break;
case ResourceRecordType.URI:
result = ResolveUriRecord(info);
break;
case ResourceRecordType.CAA:
result = ResolveCaaRecord(info);
break;
default:
// update reader index because we don't read full data for the empty record
_reader.Index += info.RawDataLength;
result = new EmptyRecord(info);
break;
}
// sanity check
if (_reader.Index != oldIndex + info.RawDataLength)
{
throw new InvalidOperationException("Record reader index out of sync.");
}
return(result);
}
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);
}
private static (List <dynamic> list, ReturnCode statusCode) ResolveOverHttps(string clientIpAddress, string domainName,
bool proxyEnable = false, IWebProxy wProxy = null, RecordType type = RecordType.A)
{
string dnsStr;
List <dynamic> recordList = new List <dynamic>();
using (MWebClient webClient = new MWebClient())
{
webClient.Headers["User-Agent"] = "AuroraDNSC/0.1";
// webClient.AllowAutoRedirect = false;
if (proxyEnable)
{
webClient.Proxy = wProxy;
}
try
{
dnsStr = webClient.DownloadString(
DnsSettings.HttpsDnsUrl +
@"?ct=application/dns-json&" +
$"name={domainName}&type={type.ToString().ToUpper()}&edns_client_subnet={clientIpAddress}");
}
catch (WebException e)
{
HttpWebResponse response = (HttpWebResponse)e.Response;
try
{
BgwLog($@"| - Catch WebException : {Convert.ToInt32(response.StatusCode)} {response.StatusCode} | {domainName}");
}
catch (Exception exception)
{
BgwLog($@"| - Catch WebException : {exception.Message} | {domainName}");
//MainWindow.NotifyIcon.ShowBalloonTip(360, "AuroraDNS - 错误",
// $"异常 : {exception.Message} {Environment.NewLine} {domainName}", ToolTipIcon.Warning);
}
return(new List <dynamic>(), ReturnCode.ServerFailure);
}
}
JsonValue dnsJsonValue = Json.Parse(dnsStr);
int statusCode = dnsJsonValue.AsObjectGetInt("Status");
if (statusCode != 0)
{
return(new List <dynamic>(), (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:
{
if (Convert.ToInt32(RecordType.A) == answerType)
{
ARecord aRecord = new ARecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aRecord);
}
else 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:
{
if (Convert.ToInt32(RecordType.Aaaa) == answerType)
{
AaaaRecord aaaaRecord = new AaaaRecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aaaaRecord);
}
else 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);
}
internal static RecordSetData DeserializeRecordSetData(JsonElement element)
{
Optional <string> etag = default;
ResourceIdentifier id = default;
string name = default;
ResourceType type = default;
SystemData systemData = default;
Optional <IDictionary <string, string> > metadata = default;
Optional <long> ttl = default;
Optional <string> fqdn = default;
Optional <string> provisioningState = default;
Optional <WritableSubResource> targetResource = default;
Optional <IList <ARecord> > aRecords = default;
Optional <IList <AaaaRecord> > aaaaRecords = default;
Optional <IList <MxRecord> > mxRecords = default;
Optional <IList <NsRecord> > nsRecords = default;
Optional <IList <PtrRecord> > ptrRecords = default;
Optional <IList <SrvRecord> > srvRecords = default;
Optional <IList <TxtRecord> > txtRecords = default;
Optional <CnameRecord> cnameRecord = default;
Optional <SoaRecord> soaRecord = default;
Optional <IList <CaaRecord> > caaRecords = default;
foreach (var property in element.EnumerateObject())
{
if (property.NameEquals("etag"))
{
etag = property.Value.GetString();
continue;
}
if (property.NameEquals("id"))
{
id = new ResourceIdentifier(property.Value.GetString());
continue;
}
if (property.NameEquals("name"))
{
name = property.Value.GetString();
continue;
}
if (property.NameEquals("type"))
{
type = new ResourceType(property.Value.GetString());
continue;
}
if (property.NameEquals("systemData"))
{
systemData = JsonSerializer.Deserialize <SystemData>(property.Value.ToString());
continue;
}
if (property.NameEquals("properties"))
{
if (property.Value.ValueKind == JsonValueKind.Null)
{
property.ThrowNonNullablePropertyIsNull();
continue;
}
foreach (var property0 in property.Value.EnumerateObject())
{
if (property0.NameEquals("metadata"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
Dictionary <string, string> dictionary = new Dictionary <string, string>();
foreach (var property1 in property0.Value.EnumerateObject())
{
dictionary.Add(property1.Name, property1.Value.GetString());
}
metadata = dictionary;
continue;
}
if (property0.NameEquals("TTL"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
ttl = property0.Value.GetInt64();
continue;
}
if (property0.NameEquals("fqdn"))
{
fqdn = property0.Value.GetString();
continue;
}
if (property0.NameEquals("provisioningState"))
{
provisioningState = property0.Value.GetString();
continue;
}
if (property0.NameEquals("targetResource"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
targetResource = JsonSerializer.Deserialize <WritableSubResource>(property0.Value.ToString());
continue;
}
if (property0.NameEquals("ARecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <ARecord> array = new List <ARecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(ARecord.DeserializeARecord(item));
}
aRecords = array;
continue;
}
if (property0.NameEquals("AAAARecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <AaaaRecord> array = new List <AaaaRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(AaaaRecord.DeserializeAaaaRecord(item));
}
aaaaRecords = array;
continue;
}
if (property0.NameEquals("MXRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <MxRecord> array = new List <MxRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(MxRecord.DeserializeMxRecord(item));
}
mxRecords = array;
continue;
}
if (property0.NameEquals("NSRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <NsRecord> array = new List <NsRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(NsRecord.DeserializeNsRecord(item));
}
nsRecords = array;
continue;
}
if (property0.NameEquals("PTRRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <PtrRecord> array = new List <PtrRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(PtrRecord.DeserializePtrRecord(item));
}
ptrRecords = array;
continue;
}
if (property0.NameEquals("SRVRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <SrvRecord> array = new List <SrvRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(SrvRecord.DeserializeSrvRecord(item));
}
srvRecords = array;
continue;
}
if (property0.NameEquals("TXTRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <TxtRecord> array = new List <TxtRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(TxtRecord.DeserializeTxtRecord(item));
}
txtRecords = array;
continue;
}
if (property0.NameEquals("CNAMERecord"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
cnameRecord = CnameRecord.DeserializeCnameRecord(property0.Value);
continue;
}
if (property0.NameEquals("SOARecord"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
soaRecord = SoaRecord.DeserializeSoaRecord(property0.Value);
continue;
}
if (property0.NameEquals("caaRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <CaaRecord> array = new List <CaaRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(CaaRecord.DeserializeCaaRecord(item));
}
caaRecords = array;
continue;
}
}
continue;
}
}
return(new RecordSetData(id, name, type, systemData, etag.Value, Optional.ToDictionary(metadata), Optional.ToNullable(ttl), fqdn.Value, provisioningState.Value, targetResource, Optional.ToList(aRecords), Optional.ToList(aaaaRecords), Optional.ToList(mxRecords), Optional.ToList(nsRecords), Optional.ToList(ptrRecords), Optional.ToList(srvRecords), Optional.ToList(txtRecords), cnameRecord.Value, soaRecord.Value, Optional.ToList(caaRecords)));
}
public DnsResourceRecord GetRecord(ResourceRecordInfo info)
{
if (info == null)
{
throw new ArgumentNullException(nameof(info));
}
var oldIndex = _reader.Index;
DnsResourceRecord result;
switch (info.RecordType)
{
case ResourceRecordType.A:
result = new ARecord(info, _reader.ReadIPAddress());
break;
case ResourceRecordType.NS:
result = new NsRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.CNAME:
result = new CNameRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.SOA:
result = ResolveSoaRecord(info);
break;
case ResourceRecordType.MB:
result = new MbRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.MG:
result = new MgRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.MR:
result = new MrRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.NULL:
result = new NullRecord(info, _reader.ReadBytes(info.RawDataLength).ToArray());
break;
case ResourceRecordType.WKS:
result = ResolveWksRecord(info);
break;
case ResourceRecordType.PTR:
result = new PtrRecord(info, _reader.ReadDnsName());
break;
case ResourceRecordType.HINFO:
result = new HInfoRecord(info, _reader.ReadStringWithLengthPrefix(), _reader.ReadStringWithLengthPrefix());
break;
case ResourceRecordType.MINFO:
result = new MInfoRecord(info, _reader.ReadDnsName(), _reader.ReadDnsName());
break;
case ResourceRecordType.MX:
result = ResolveMXRecord(info);
break;
case ResourceRecordType.TXT:
result = ResolveTXTRecord(info);
break;
case ResourceRecordType.RP:
result = new RpRecord(info, _reader.ReadDnsName(), _reader.ReadDnsName());
break;
case ResourceRecordType.AFSDB:
result = new AfsDbRecord(info, (AfsType)_reader.ReadUInt16NetworkOrder(), _reader.ReadDnsName());
break;
case ResourceRecordType.AAAA:
result = new AaaaRecord(info, _reader.ReadIPv6Address());
break;
case ResourceRecordType.SRV:
result = ResolveSrvRecord(info);
break;
case ResourceRecordType.OPT:
result = ResolveOptRecord(info);
break;
case ResourceRecordType.URI:
result = ResolveUriRecord(info);
break;
case ResourceRecordType.CAA:
result = ResolveCaaRecord(info);
break;
case ResourceRecordType.SSHFP:
result = ResolveSshfpRecord(info);
break;
default:
result = new UnknownRecord(info, _reader.ReadBytes(info.RawDataLength).ToArray());
break;
}
// sanity check
_reader.SanitizeResult(oldIndex + info.RawDataLength, info.RawDataLength);
return(result);
}
static string ParseRecord(IDnsQueryResponse dnsQueryResponse, bool isA = false, bool isMx = false)
{
string output = "";
string value = "";
string ttl = "";
string mxp = "";
foreach (DnsResourceRecord record in dnsQueryResponse.Answers)
{
switch (record.RecordType)
{
case ResourceRecordType.MX:
{
MxRecord mxRecord = record as MxRecord;
if (mxRecord != null)
{
value += mxRecord.Exchange + "\n";
ttl += mxRecord.InitialTimeToLive + "\n";
mxp += mxRecord.Preference + "\n";
// output += $"{mxRecord.Exchange} | TTL {mxRecord.InitialTimeToLive}\n";
}
break;
}
case ResourceRecordType.SOA:
{
SoaRecord soaRecord = record as SoaRecord;
if (soaRecord != null)
{
value += soaRecord.ToString() + "\n";
ttl += soaRecord.Minimum + "\n";
// output += $"SOA TTL {soaRecord.Minimum}\n";
}
break;
}
case ResourceRecordType.NS:
{
NsRecord nsRecord = record as NsRecord;
if (nsRecord != null)
{
value += nsRecord.NSDName + "\n";
ttl += nsRecord.InitialTimeToLive + "\n";
// output += $"{nsRecord.NSDName} | TTL {nsRecord.InitialTimeToLive}\n";
}
break;
}
case ResourceRecordType.A:
{
ARecord nsRecord = record as ARecord;
if (nsRecord != null)
{
return($"{nsRecord.InitialTimeToLive}");
}
return("No record");
}
case ResourceRecordType.TXT:
{
TxtRecord txtRecord = record as TxtRecord;
if (txtRecord != null)
{
foreach (string txt in txtRecord.Text)
{
value += "\"\"" + txt + "\"\"\n";
ttl += txtRecord.InitialTimeToLive + "\n";
// output += $"\"{txt}\" | TTL {txtRecord.InitialTimeToLive}\n";
}
}
break;
}
}
}
if (!string.IsNullOrEmpty(value) && !string.IsNullOrEmpty(ttl))
{
if (string.IsNullOrEmpty(mxp))
{
output = $"\"{value.Trim()}\",\"{ttl.Trim()}\"";
}
else
{
output = $"\"{value.Trim()}\",\"{mxp.Trim()}\",\"{ttl.Trim()}\"";
}
}
else
{
if (isA)
{
output = "No record";
}
else if (isMx)
{
output = "No record,No record,No record";
}
else
{
output = "No record,No record";
}
}
if (string.IsNullOrEmpty(output))
{
return("No record\n");
}
return(output);
}
internal static NsRecordSetData DeserializeNsRecordSetData(JsonElement element)
{
Optional <string> etag = default;
ResourceIdentifier id = default;
string name = default;
ResourceType type = default;
SystemData systemData = default;
Optional <IDictionary <string, string> > metadata = default;
Optional <long> ttl = default;
Optional <string> fqdn = default;
Optional <string> provisioningState = default;
Optional <WritableSubResource> targetResource = default;
Optional <IList <NsRecord> > nsRecords = default;
foreach (var property in element.EnumerateObject())
{
if (property.NameEquals("etag"))
{
etag = property.Value.GetString();
continue;
}
if (property.NameEquals("id"))
{
id = new ResourceIdentifier(property.Value.GetString());
continue;
}
if (property.NameEquals("name"))
{
name = property.Value.GetString();
continue;
}
if (property.NameEquals("type"))
{
type = property.Value.GetString();
continue;
}
if (property.NameEquals("systemData"))
{
systemData = JsonSerializer.Deserialize <SystemData>(property.Value.ToString());
continue;
}
if (property.NameEquals("properties"))
{
if (property.Value.ValueKind == JsonValueKind.Null)
{
property.ThrowNonNullablePropertyIsNull();
continue;
}
foreach (var property0 in property.Value.EnumerateObject())
{
if (property0.NameEquals("metadata"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
Dictionary <string, string> dictionary = new Dictionary <string, string>();
foreach (var property1 in property0.Value.EnumerateObject())
{
dictionary.Add(property1.Name, property1.Value.GetString());
}
metadata = dictionary;
continue;
}
if (property0.NameEquals("TTL"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
ttl = property0.Value.GetInt64();
continue;
}
if (property0.NameEquals("fqdn"))
{
fqdn = property0.Value.GetString();
continue;
}
if (property0.NameEquals("provisioningState"))
{
provisioningState = property0.Value.GetString();
continue;
}
if (property0.NameEquals("targetResource"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
targetResource = JsonSerializer.Deserialize <WritableSubResource>(property0.Value.ToString());
continue;
}
if (property0.NameEquals("NSRecords"))
{
if (property0.Value.ValueKind == JsonValueKind.Null)
{
property0.ThrowNonNullablePropertyIsNull();
continue;
}
List <NsRecord> array = new List <NsRecord>();
foreach (var item in property0.Value.EnumerateArray())
{
array.Add(NsRecord.DeserializeNsRecord(item));
}
nsRecords = array;
continue;
}
}
continue;
}
}
return(new NsRecordSetData(id, name, type, systemData, etag.Value, Optional.ToDictionary(metadata), Optional.ToNullable(ttl), fqdn.Value, provisioningState.Value, targetResource, Optional.ToList(nsRecords)));
}
private static (List <dynamic> list, int statusCode) ResolveOverHttps(string clientIpAddress, string domainName,
bool proxyEnable = false, IWebProxy wProxy = null, RecordType type = RecordType.A)
{
string dnsStr;
List <dynamic> recordList = new List <dynamic>();
using (WebClient webClient = new WebClient())
{
webClient.Headers["User-Agent"] = "AuroraDNSC/0.1";
if (proxyEnable)
{
webClient.Proxy = wProxy;
}
dnsStr = webClient.DownloadString(
ADnsSetting.HttpsDnsUrl +
@"?ct=application/dns-json&" +
$"name={domainName}&type={type.ToString().ToUpper()}&edns_client_subnet={clientIpAddress}");
}
JsonValue dnsJsonValue = Json.Parse(dnsStr);
int statusCode = dnsJsonValue.AsObjectGetInt("Status");
if (statusCode != 0)
{
return(new List <dynamic>(), 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");
if (type == RecordType.A)
{
if (Convert.ToInt32(RecordType.A) == answerType)
{
ARecord aRecord = new ARecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aRecord);
}
else 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;
}
}
else if (type == RecordType.Aaaa && ADnsSetting.IPv6Enable)
{
if (Convert.ToInt32(RecordType.Aaaa) == answerType)
{
AaaaRecord aaaaRecord = new AaaaRecord(
DomainName.Parse(answerDomainName), ttl, IPAddress.Parse(answerAddr));
recordList.Add(aaaaRecord);
}
else if (Convert.ToInt32(RecordType.CName) == answerType)
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
}
}
else if (type == RecordType.CName && answerType == Convert.ToInt32(RecordType.CName))
{
CNameRecord cRecord = new CNameRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(cRecord);
}
else if (type == RecordType.Ns && answerType == Convert.ToInt32(RecordType.Ns))
{
NsRecord nsRecord = new NsRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(nsRecord);
}
else if (type == RecordType.Mx && 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);
}
else if (type == RecordType.Txt && answerType == Convert.ToInt32(RecordType.Txt))
{
TxtRecord txtRecord = new TxtRecord(DomainName.Parse(answerDomainName), ttl, answerAddr);
recordList.Add(txtRecord);
}
else if (type == RecordType.Ptr && answerType == Convert.ToInt32(RecordType.Ptr))
{
PtrRecord ptrRecord = new PtrRecord(
DomainName.Parse(answerDomainName), ttl, DomainName.Parse(answerAddr));
recordList.Add(ptrRecord);
}
}
}
return(recordList, statusCode);
}
internal virtual void AssertEquality(NsRecord expected, NsRecord actual)
{
Assert.AreEqual(expected.NsDomainName, actual.NsDomainName, "Should be equal");
}
public override void ExecuteCmdlet()
{
DnsRecordBase result = null;
switch (this.ParameterSetName)
{
case ParameterSetA:
{
result = new ARecord { Ipv4Address = this.Ipv4Address };
break;
}
case ParameterSetAaaa:
{
result = new AaaaRecord { Ipv6Address = this.Ipv6Address };
break;
}
case ParameterSetMx:
{
result = new MxRecord { Preference = this.Preference, Exchange = this.Exchange };
break;
}
case ParameterSetNs:
{
result = new NsRecord { Nsdname = this.Nsdname };
break;
}
case ParameterSetSrv:
{
result = new SrvRecord { Priority = this.Priority, Port = this.Port, Target = this.Target, Weight = this.Weight };
break;
}
case ParameterSetTxt:
{
result = new TxtRecord { Value = this.Value };
break;
}
case ParameterSetCName:
{
result = new CnameRecord { Cname = this.Cname };
break;
}
case ParameterSetPtr:
{
result = new PtrRecord {Ptrdname = this.Ptrdname};
break;
}
default:
{
throw new PSArgumentException(string.Format(ProjectResources.Error_UnknownParameterSetName, this.ParameterSetName));
}
}
WriteObject(result);
}
