public static ZoneRecordsResponse ToZoneRecordsResponse(this DnsRecord record, int minimumTTL, string zoneName)
{
//Declare the result
var response = new ZoneRecordsResponse();
//Check that the record is in SDNS format
if (!record.RecordName.Contains(zoneName))
{
record.RecordName = $"{record.RecordName}.{zoneName}";
}
//Build up the response
response.Name = record.RecordName;
response.Type = record.RecordType.ToString();
//response.Ttl = record.RecordText == null ? minimumTTL : Convert.ToInt32(record.RecordText.Split('\t')[1]);
// ReSharper disable once SwitchStatementMissingSomeCases
switch (record.RecordType)
{
case DnsRecordType.MX:
if (!record.RecordData.EndsWith(".") && record.RecordData.Length > 0)
{
response.Data = $"{record.MxPriority} {record.RecordData}.";
break;
}
response.Data = $"{record.MxPriority} {record.RecordData}";
break;
case DnsRecordType.SRV:
if (!record.RecordData.EndsWith(".") && record.RecordData.Length > 0)
{
response.Data = $"{record.SrvPriority} {record.SrvWeight} {record.SrvPort} {record.RecordData}.";
break;
}
response.Data = $"{record.SrvPriority} {record.SrvWeight} {record.SrvPort} {record.RecordData}";
break;
case DnsRecordType.CNAME:
case DnsRecordType.NS:
if (!record.RecordData.EndsWith(".") && record.RecordData.Length > 0)
{
response.Data = $"{record.RecordData}.";
break;
}
response.Data = $"{record.RecordData}";
break;
default:
response.Data = record.RecordData ?? "";
break;
}
//Return the response
return(response);
}
/// <summary>
/// Method to convert <see cref="ZoneRecordsResponse"/> to <see cref="DnsRecord"/>
/// </summary>
/// <param name="record">DNS Record in <see cref="ZoneRecordsResponse"/> format</param>
private static DnsRecord ZoneRecordResponseToDnsRecord(ZoneRecordsResponse record)
{
//Null checking
if (record == null)
{
throw new ArgumentNullException(nameof(record));
}
//Declare result variable
var resultRecord = new DnsRecord();
//Switch on the type
switch (record.Type)
{
case "A":
resultRecord.RecordType = DnsRecordType.A;
break;
case "AAAA":
resultRecord.RecordType = DnsRecordType.AAAA;
break;
case "CAA":
resultRecord.RecordType = DnsRecordType.CAA;
break;
case "CNAME":
resultRecord.RecordType = DnsRecordType.CNAME;
resultRecord.RecordData = record.Data.TrimEnd('.');
break;
case "MX":
resultRecord.RecordType = DnsRecordType.MX;
resultRecord.MxPriority = Convert.ToInt32(record.Data.Split(' ')[0]);
resultRecord.RecordData = record.Data.Split(' ')[1].TrimEnd('.');
break;
case "NS":
resultRecord.RecordType = DnsRecordType.NS;
resultRecord.RecordData = record.Data.TrimEnd('.');
break;
case "SOA":
resultRecord.RecordType = DnsRecordType.SOA;
break;
case "SRV":
resultRecord.RecordType = DnsRecordType.SRV;
resultRecord.SrvPriority = Convert.ToInt32(record.Data.Split(' ')[0]);
resultRecord.SrvWeight = Convert.ToInt32(record.Data.Split(' ')[1]);
resultRecord.SrvPort = Convert.ToInt32(record.Data.Split(' ')[2]);
resultRecord.RecordData = record.Data.Split(' ')[3].TrimEnd('.');
break;
case "TXT":
resultRecord.RecordType = DnsRecordType.TXT;
break;
default:
resultRecord.RecordType = DnsRecordType.Other;
break;
}
//Build up the rest of the record
//If data is already set, don't change it
if (string.IsNullOrWhiteSpace(resultRecord.RecordData))
{
resultRecord.RecordData = record.Data;
}
//Build the remaining fields of the record
resultRecord.RecordName = record.Name;
resultRecord.RecordText = $"{record.Name}\t{record.Ttl}\t{record.Type}\t{record.Data}";
//Return the result
return(resultRecord);
}
