public static bool UpdateMx(this ServerDns dns, string domain)
{
var utcNow = DateTime.UtcNow;
var hasChanges = false;
var dnsLookup = new DnsLookup();
if (dns.MxDateChecked.HasValue && dns.MxDateChecked.Value.AddSeconds(dns.MxTtl) >= utcNow)
{
return(hasChanges);
}
var mxRecord =
dnsLookup
.GetDomainMxRecords(domain)
.FirstOrDefault(mx => mx.ExchangeDomainName.ToString().TrimEnd('.').Equals(dns.Mx));
dns.MxVerified = mxRecord != null;
dns.MxTtl = mxRecord != null ? mxRecord.TimeToLive : Defines.ServerDnsDefaultTtl;
dns.MxDateChecked = utcNow;
hasChanges = true;
return(hasChanges);
}
public MailOperationStatus CheckDomainDns(string domainName, ServerDns dns,
Func <DistributedTask, string> translateMailOperationStatus = null)
{
var tenant = CoreContext.TenantManager.GetCurrentTenant();
var user = SecurityContext.CurrentAccount;
var operations = MailOperations.GetTasks()
.Where(o =>
{
var oTenant = o.GetProperty <int>(MailOperation.TENANT);
var oUser = o.GetProperty <string>(MailOperation.OWNER);
var oType = o.GetProperty <MailOperationType>(MailOperation.OPERATION_TYPE);
var oSource = o.GetProperty <string>(MailOperation.SOURCE);
return(oTenant == tenant.TenantId &&
oUser == user.ID.ToString() &&
oType == MailOperationType.CheckDomainDns &&
oSource == domainName);
});
var runningOperation = operations.FirstOrDefault(o => o.Status <= DistributedTaskStatus.Running);
if (runningOperation != null)
{
return(GetMailOperationStatus(runningOperation.Id, translateMailOperationStatus));
}
var op = new MailCheckMailserverDomainsDnsOperation(tenant, user, domainName, dns);
return(QueueTask(op, translateMailOperationStatus));
}
public int Save(ServerDns dns)
{
var query = new SqlInsert(ServerDnsTable.TABLE_NAME, true)
.InColumnValue(ServerDnsTable.Columns.Id, dns.Id)
.InColumnValue(ServerDnsTable.Columns.Tenant, dns.Tenant)
.InColumnValue(ServerDnsTable.Columns.User, dns.User)
.InColumnValue(ServerDnsTable.Columns.DomainId, dns.DomainId)
.InColumnValue(ServerDnsTable.Columns.DomainCheck, dns.DomainCheck)
.InColumnValue(ServerDnsTable.Columns.DkimSelector, dns.DkimSelector)
.InColumnValue(ServerDnsTable.Columns.DkimPrivateKey, dns.DkimPrivateKey)
.InColumnValue(ServerDnsTable.Columns.DkimPublicKey, dns.DkimPublicKey)
.InColumnValue(ServerDnsTable.Columns.DkimTtl, dns.DkimTtl)
.InColumnValue(ServerDnsTable.Columns.DkimVerified, dns.DkimVerified)
.InColumnValue(ServerDnsTable.Columns.DkimDateChecked, dns.DkimDateChecked)
.InColumnValue(ServerDnsTable.Columns.Spf, dns.Spf)
.InColumnValue(ServerDnsTable.Columns.SpfTtl, dns.SpfTtl)
.InColumnValue(ServerDnsTable.Columns.SpfVerified, dns.SpfVerified)
.InColumnValue(ServerDnsTable.Columns.SpfDateChecked, dns.SpfDateChecked)
.InColumnValue(ServerDnsTable.Columns.Mx, dns.Mx)
.InColumnValue(ServerDnsTable.Columns.MxTtl, dns.MxTtl)
.InColumnValue(ServerDnsTable.Columns.MxVerified, dns.MxVerified)
.InColumnValue(ServerDnsTable.Columns.MxDateChecked, dns.MxDateChecked)
.InColumnValue(ServerDnsTable.Columns.TimeModified, dns.TimeModified)
.Identity(0, 0, true);
var id = Db.ExecuteScalar <int>(query);
return(id);
}
protected ServerDns ToServerDns(object[] r)
{
var s = new ServerDns
{
Id = Convert.ToInt32(r[0]),
Tenant = Convert.ToInt32(r[1]),
User = Convert.ToString(r[2]),
DomainId = Convert.ToInt32(r[3]),
DomainCheck = Convert.ToString(r[4]),
DkimSelector = Convert.ToString(r[5]),
DkimPrivateKey = Convert.ToString(r[6]),
DkimPublicKey = Convert.ToString(r[7]),
DkimTtl = Convert.ToInt32(r[8]),
DkimVerified = Convert.ToBoolean(r[9]),
DkimDateChecked = Convert.ToDateTime(r[10]),
Spf = Convert.ToString(r[11]),
SpfTtl = Convert.ToInt32(r[12]),
SpfVerified = Convert.ToBoolean(r[13]),
SpfDateChecked = Convert.ToDateTime(r[14]),
Mx = Convert.ToString(r[15]),
MxTtl = Convert.ToInt32(r[16]),
MxVerified = Convert.ToBoolean(r[17]),
MxDateChecked = Convert.ToDateTime(r[18]),
TimeModified = Convert.ToDateTime(r[19])
};
return(s);
}
public MailCheckMailserverDomainsDnsOperation(Tenant tenant, IAccount user, string domainName, ServerDns dns)
: base(tenant, user)
{
_domainName = domainName;
_dns = dns;
SetSource(_domainName);
}
public static bool UpdateRecords(this ServerDns dns, string domain, bool force = false)
{
if (string.IsNullOrEmpty(domain) || dns == null)
{
return(false);
}
var utcNow = DateTime.UtcNow;
var hasChanges = false;
if (force)
{
if (dns.UpdateMx(domain))
{
hasChanges = true;
}
if (dns.UpdateSpf(domain))
{
hasChanges = true;
}
if (dns.UpdateDkim(domain))
{
hasChanges = true;
}
}
else
{
if (dns.MxDateChecked.HasValue && dns.MxDateChecked.Value.AddSeconds(dns.MxTtl) >= utcNow &&
dns.SpfDateChecked.HasValue && dns.SpfDateChecked.Value.AddSeconds(dns.SpfTtl) >= utcNow &&
dns.DkimDateChecked.HasValue && dns.DkimDateChecked.Value.AddSeconds(dns.DkimTtl) >= utcNow)
{
return(hasChanges);
}
var engineFactory = new EngineFactory(dns.Tenant, dns.User);
engineFactory.OperationEngine.CheckDomainDns(domain, dns);
}
return(hasChanges);
}
protected ServerDomainDnsData ToServerDomainDnsData(ServerDns serverDns)
{
if (serverDns == null)
{
return(null);
}
var dnsData = new ServerDomainDnsData
{
Id = serverDns.Id,
MxRecord = new ServerDomainMxRecordData
{
Host = serverDns.Mx,
IsVerified = serverDns.MxVerified,
Priority = Defines.ServerDnsMxRecordPriority
},
SpfRecord = new ServerDomainDnsRecordData
{
Name = Defines.DNS_DEFAULT_ORIGIN,
IsVerified = serverDns.SpfVerified,
Value = serverDns.Spf
},
DkimRecord = new ServerDomainDkimRecordData
{
Selector = serverDns.DkimSelector,
IsVerified = serverDns.DkimVerified,
PublicKey = serverDns.DkimPublicKey
},
DomainCheckRecord = new ServerDomainDnsRecordData
{
Name = Defines.DNS_DEFAULT_ORIGIN,
IsVerified = true,
Value = serverDns.DomainCheck
}
};
return(dnsData);
}
public static bool UpdateSpf(this ServerDns dns, string domain)
{
var utcNow = DateTime.UtcNow;
var dnsLookup = new DnsLookup();
if (dns.SpfDateChecked.HasValue && dns.SpfDateChecked.Value.AddSeconds(dns.SpfTtl) >= utcNow)
{
return(false);
}
var txtRecords = dnsLookup
.GetDomainTxtRecords(domain);
var spfRecord = txtRecords.FirstOrDefault(
txt => txt.TextData.Trim('\"')
.Equals(dns.Spf, StringComparison.InvariantCultureIgnoreCase));
dns.SpfVerified = spfRecord != null;
dns.SpfTtl = spfRecord != null ? spfRecord.TimeToLive : Defines.ServerDnsDefaultTtl;
dns.SpfDateChecked = utcNow;
return(true);
}
public static bool UpdateDkim(this ServerDns dns, string domain)
{
var utcNow = DateTime.UtcNow;
var dnsLookup = new DnsLookup();
if (dns.DkimDateChecked.HasValue && dns.DkimDateChecked.Value.AddSeconds(dns.DkimTtl) >= utcNow)
{
return(false);
}
var dkimRecordName = string.Format("{0}._domainkey.{1}", dns.DkimSelector, domain);
var dkimRecord = dnsLookup
.GetDomainTxtRecords(dkimRecordName).FirstOrDefault(
txt => txt.TextData.Trim('\"')
.Equals(dns.DkimPublicKey, StringComparison.InvariantCultureIgnoreCase));
dns.DkimVerified = dkimRecord != null;
dns.DkimTtl = dkimRecord != null ? dkimRecord.TimeToLive : Defines.ServerDnsDefaultTtl;
dns.DkimDateChecked = utcNow;
return(true);
}
public ServerDomainDnsData GetOrCreateUnusedDnsData(IDaoFactory daoFactory, Entities.Server server)
{
var serverDnsDao = daoFactory.CreateServerDnsDao(Tenant, User);
var dnsSettings = serverDnsDao.GetFree();
if (dnsSettings == null)
{
string privateKey, publicKey;
CryptoUtil.GenerateDkimKeys(out privateKey, out publicKey);
var domainCheckValue = PasswordGenerator.GenerateNewPassword(16);
var domainCheck = Defines.ServerDnsDomainCheckPrefix + ": " + domainCheckValue;
var serverDns = new ServerDns
{
Id = 0,
Tenant = Tenant,
User = User,
DomainId = Defines.UNUSED_DNS_SETTING_DOMAIN_ID,
DomainCheck = domainCheck,
DkimSelector = Defines.ServerDnsDkimSelector,
DkimPrivateKey = privateKey,
DkimPublicKey = publicKey,
DkimTtl = Defines.ServerDnsDefaultTtl,
DkimVerified = false,
DkimDateChecked = null,
Spf = Defines.ServerDnsSpfRecordValue,
SpfTtl = Defines.ServerDnsDefaultTtl,
SpfVerified = false,
SpfDateChecked = null,
Mx = server.MxRecord,
MxTtl = Defines.ServerDnsDefaultTtl,
MxVerified = false,
MxDateChecked = null,
TimeModified = DateTime.UtcNow
};
serverDns.Id = serverDnsDao.Save(serverDns);
dnsSettings = serverDns;
}
var dnsData = new ServerDomainDnsData
{
Id = dnsSettings.Id,
MxRecord = new ServerDomainMxRecordData
{
Host = dnsSettings.Mx,
IsVerified = false,
Priority = Defines.ServerDnsMxRecordPriority
},
DkimRecord = new ServerDomainDkimRecordData
{
Selector = dnsSettings.DkimSelector,
IsVerified = false,
PublicKey = dnsSettings.DkimPublicKey
},
DomainCheckRecord = new ServerDomainDnsRecordData
{
Name = Defines.DNS_DEFAULT_ORIGIN,
IsVerified = false,
Value = dnsSettings.DomainCheck
},
SpfRecord = new ServerDomainDnsRecordData
{
Name = Defines.DNS_DEFAULT_ORIGIN,
IsVerified = false,
Value = dnsSettings.Spf
}
};
return(dnsData);
}
