/// <summary>
/// Prepare to add a new DNS record
/// </summary>
/// <param name="context"></param>
/// <param name="challenge"></param>
/// <returns></returns>
public override async Task PrepareChallenge(ValidationContext context, Dns01ChallengeValidationDetails challenge)
{
// Check for substitute domains
var authority = await _dnsClient.GetAuthority(
challenge.DnsRecordName,
followCnames : _settings.Validation.AllowDnsSubstitution);
var success = false;
while (!success)
{
_log.Debug("[{identifier}] Attempting to create DNS record under {authority}...", context.Identifier, authority.Domain);
var record = new DnsValidationRecord(context, authority, challenge.DnsRecordValue);
success = await CreateRecord(record);
if (!success)
{
_log.Debug("[{identifier}] Failed to create record under {authority}", context.Identifier, authority.Domain);
if (authority.From == null)
{
throw new Exception($"[{context.Identifier}] Unable to prepare for challenge answer");
}
else
{
authority = authority.From;
}
}
else
{
_log.Debug("[{identifier}] Record successfully created", context.Identifier, authority.Domain);
_recordsCreated.Add(record);
}
}
}
/// <summary>
/// Prepare to add a new DNS record
/// </summary>
/// <param name="context"></param>
/// <param name="challenge"></param>
/// <returns></returns>
public override async Task PrepareChallenge(ValidationContext context, Dns01ChallengeValidationDetails challenge)
{
// Check for substitute domains
var authority = await _dnsClient.GetAuthority(
challenge.DnsRecordName,
followCnames : _settings.Validation.AllowDnsSubstitution);
var success = false;
while (!success)
{
var record = new DnsValidationRecord(context, authority, challenge.DnsRecordValue);
success = await CreateRecord(record);
if (!success)
{
if (authority.From == null)
{
throw new Exception("Unable to prepare for challenge answer");
}
else
{
authority = authority.From;
}
}
else
{
_recordsCreated.Add(record);
}
}
}