private static string DiscoverToxId(string domain)
{
var services = new[]
{
new ToxNameService
{
Domain = "toxme.se",
PublicKey = "5D72C517DF6AEC54F1E977A6B6F25914EA4CF7277A85027CD9F5196DF17E0B13"
},
new ToxNameService
{
Domain = "utox.org",
PublicKey = "D3154F65D28A5B41A05D4AC7E4B39C6B1C233CC857FB365C56E8392737462A12"
}
};
var service = FindNameService(domain.Split('@')[1]) ??
FindNameServiceFromStore(services, domain.Split('@')[1]);
if (service == null)
{
//this name service does not use tox3, how unencrypted of them
domain = domain.Replace("@", "._tox.");
var records = GetSpfRecords(domain);
if (records == null)
return null;
foreach (var record in records)
{
if (record.Contains("v=tox1"))
{
var entries = record.Split(';');
foreach (var entry in entries)
{
var parts = entry.Split('=');
var name = parts[0];
var value = parts[1];
if (name == "id")
return value;
}
}
}
}
else
{
string publicKey;
if (!string.IsNullOrWhiteSpace(service.PublicKey))
publicKey = service.PublicKey;
else
return null;
var split = domain.Split('@');
var toxDns = new ToxDns(new ToxKey(ToxKeyType.Public, publicKey));
uint requestId;
var dns3String = toxDns.GenerateDns3String(split[0], out requestId);
var query = string.Format("_{0}._tox.{1}", dns3String, split[1]);
var records = GetSpfRecords(query);
if (records == null)
return null;
foreach (var record in records)
{
if (record.Contains("v=tox3"))
{
var entries = record.Split(';');
foreach (var entry in entries)
{
var parts = entry.Split('=');
var name = parts[0];
var value = parts[1];
if (name == "id")
{
var result = toxDns.DecryptDns3TXT(value, requestId);
toxDns.Dispose();
return result;
}
}
}
}
toxDns.Dispose();
}
return null;
}
public static string DiscoverToxID(string domain)
{
if (domain.Contains("@utox.org"))
{
string[] split = domain.Split('@');
string public_key = new WebClient().DownloadString("http://utox.org/qkey");
ToxDns tox_dns = new ToxDns(public_key);
uint request_id;
string dns3_string = tox_dns.GenerateDns3String(split[0], out request_id);
string query = string.Format("_{0}._tox.{1}", dns3_string, split[1]);
string[] records = GetSPFRecords(query);
foreach (string record in records)
{
if (record.Contains("v=tox3"))
{
string[] entries = record.Split(';');
foreach (string entry in entries)
{
string[] parts = entry.Split('=');
string name = parts[0];
string value = parts[1];
if (name == "id")
{
string result = tox_dns.DecryptDns3TXT(value, request_id);
tox_dns.Kill();
return result;
}
}
}
}
tox_dns.Kill();
}
else if (domain.Contains("@"))
{
domain = domain.Replace("@", "._tox.");
string[] records = GetSPFRecords(domain);
foreach (string record in records)
{
if (record.Contains("v=tox1"))
{
string[] entries = record.Split(';');
foreach (string entry in entries)
{
string[] parts = entry.Split('=');
string name = parts[0];
string value = parts[1];
if (name == "id")
return value;
}
}
}
}
return null;
}
public static string DiscoverToxID(string domain, ToxNameService[] services, bool localStoreOnly)
{
ToxNameService service;
if (!localStoreOnly)
service = FindNameService(domain.Split('@')[1]) ?? FindNameServiceFromStore(services, domain.Split('@')[1]);
else
service = FindNameServiceFromStore(services, domain.Split('@')[1]);
if (service == null)
{
//this name service does not use tox3, how unencrypted of them
domain = domain.Replace("@", "._tox.");
string[] records = GetSPFRecords(domain);
foreach (string record in records)
{
if (record.Contains("v=tox1"))
{
string[] entries = record.Split(';');
foreach (string entry in entries)
{
string[] parts = entry.Split('=');
string name = parts[0];
string value = parts[1];
if (name == "id")
return value;
}
}
}
}
else
{
string public_key;
if (!string.IsNullOrWhiteSpace(service.PublicKey))
public_key = service.PublicKey;
else
return null;
string[] split = domain.Split('@');
ToxDns tox_dns = new ToxDns(new ToxKey(ToxKeyType.Public, public_key));
uint request_id;
string dns3_string = tox_dns.GenerateDns3String(split[0], out request_id);
string query = string.Format("_{0}._tox.{1}", dns3_string, split[1]);
string[] records = GetSPFRecords(query);
foreach (string record in records)
{
if (record.Contains("v=tox3"))
{
string[] entries = record.Split(';');
foreach (string entry in entries)
{
string[] parts = entry.Split('=');
string name = parts[0];
string value = parts[1];
if (name == "id")
{
string result = tox_dns.DecryptDns3TXT(value, request_id);
tox_dns.Dispose();
return result;
}
}
}
}
tox_dns.Dispose();
}
return null;
}