nathanwoodburn/FireWallet
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main: Moved HIP02 lookup to its own task

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Nathan Woodburn 2023-06-24 11:28:30 +10:00
parent 843f824b2f
commit cbf1bc3e38
Signed by: nathanwoodburn
GPG Key ID: 203B000478AD0EF1
1 changed files with 117 additions and 111 deletions
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228
FireWallet/MainForm.cs
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@ -1639,6 +1639,115 @@ namespace FireWallet
// Store TLSA hash
public string TLSA { get; set; }
public async Task<string> HIP02Lookup(string domain)
{
try
{
IPAddress iPAddress = null;
TLSA = "";
// Create an instance of LookupClient using the custom options
string ip = "127.0.0.1";
int port = 5350;
if (UserSettings.ContainsKey("hip-02-ip"))
{
ip = UserSettings["hip-02-ip"];
}
if (UserSettings.ContainsKey("hip-02-port"))
{
port = int.Parse(UserSettings["hip-02-port"]);
}
else if (!HSD)
{
string bobPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\Bob\\hsd_data";
if (Directory.Exists(bobPath))
{
port = 9892;
}
}
NameServer nameServer = new NameServer(IPAddress.Parse(ip), port);
var options = new LookupClientOptions(nameServer);
options.EnableAuditTrail = true;
options.UseTcpOnly = true;
options.Recursion = true;
options.UseCache = false;
options.RequestDnsSecRecords = true;
options.Timeout = httpClient.Timeout;
var client = new LookupClient(options);
// Perform the DNS lookup for the specified domain using DNSSec
var result = client.Query(domain, QueryType.A);
// Display the DNS lookup results
foreach (var record in result.Answers.OfType<ARecord>())
{
iPAddress = record.Address;
}
if (iPAddress == null)
{
labelSendingError.Show();
labelSendingError.Text = "HIP-02 lookup failed";
AddLog("No IP found");
return "ERROR";
}
// Get TLSA record
var resultTLSA = client.Query("_443._tcp." + domain, QueryType.TLSA);
foreach (var record in resultTLSA.Answers.OfType<TlsaRecord>())
{
TLSA = record.CertificateAssociationDataAsString;
}
string url = "https://" + iPAddress.ToString() + "/.well-known/wallets/HNS";
var handler = new HttpClientHandler();
handler.ServerCertificateCustomValidationCallback = ValidateServerCertificate;
// Create an instance of HttpClient with the custom handler
using (var httpclient = new HttpClient(handler))
{
httpclient.DefaultRequestHeaders.Add("Host", domain);
// Send a GET request to the specified URL
HttpResponseMessage response = httpclient.GetAsync(url).Result;
if (response.StatusCode != HttpStatusCode.OK)
{
labelSendingError.Show();
labelSendingError.Text = "HIP-02 lookup failed";
AddLog("HTTPS get failed");
AddLog(response.Content.ReadAsStringAsync().Result);
return "ERROR";
}
// Response
string address = response.Content.ReadAsStringAsync().Result;
address = address.Trim();
if (await ValidAddress(address))
{
return address;
}
else
{
AddLog("Invalid Address\n" + address);
return "ERROR";
}
}
}
catch (Exception ex)
{
AddLog("HIP-02 lookup error");
AddLog(ex.Message);
return "ERROR";
}
}
private async void textBoxSendingTo_Leave(object sender, EventArgs e)
{
@ -1649,121 +1758,18 @@ namespace FireWallet
if (textBoxSendingTo.Text.Substring(0, 1) == "@")
{
string domain = textBoxSendingTo.Text.Substring(1);
try
string address = await HIP02Lookup(domain);
if (address == "ERROR")
{
IPAddress iPAddress = null;
TLSA = "";
// Create an instance of LookupClient using the custom options
string ip = "127.0.0.1";
int port = 5350;
if (UserSettings.ContainsKey("hip-02-ip"))
{
ip = UserSettings["hip-02-ip"];
}
if (UserSettings.ContainsKey("hip-02-port"))
{
port = int.Parse(UserSettings["hip-02-port"]);
}
else if (!HSD)
{
string bobPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\Bob\\hsd_data";
if (Directory.Exists(bobPath))
{
port = 9892;
}
}
NameServer nameServer = new NameServer(IPAddress.Parse(ip), port);
var options = new LookupClientOptions(nameServer);
options.EnableAuditTrail = true;
options.UseTcpOnly = true;
options.Recursion = true;
options.UseCache = false;
options.RequestDnsSecRecords = true;
options.Timeout = TimeSpan.FromSeconds(5);
var client = new LookupClient(options);
// Perform the DNS lookup for the specified domain using DNSSec
var result = client.Query(domain, QueryType.A);
// Display the DNS lookup results
foreach (var record in result.Answers.OfType<ARecord>())
{
iPAddress = record.Address;
}
if (iPAddress == null)
{
labelSendingError.Show();
labelSendingError.Text = "HIP-02 lookup failed";
AddLog("No IP found");
return;
}
// Get TLSA record
var resultTLSA = client.Query("_443._tcp." + domain, QueryType.TLSA);
foreach (var record in resultTLSA.Answers.OfType<TlsaRecord>())
{
TLSA = record.CertificateAssociationDataAsString;
}
string url = "https://" + iPAddress.ToString() + "/.well-known/wallets/HNS";
var handler = new HttpClientHandler();
handler.ServerCertificateCustomValidationCallback = ValidateServerCertificate;
// Create an instance of HttpClient with the custom handler
using (var httpclient = new HttpClient(handler))
{
httpclient.DefaultRequestHeaders.Add("Host", domain);
// Send a GET request to the specified URL
HttpResponseMessage response = httpclient.GetAsync(url).Result;
if (response.StatusCode != HttpStatusCode.OK)
{
labelSendingError.Show();
labelSendingError.Text = "HIP-02 lookup failed";
AddLog("HTTPS get failed");
AddLog(response.Content.ReadAsStringAsync().Result);
return;
}
// Response
string address = response.Content.ReadAsStringAsync().Result;
address = address.Trim();
if (await ValidAddress(address))
{
labelSendingHIPAddress.Text = address;
labelSendingHIPAddress.Show();
labelHIPArrow.Show();
}
else
{
labelSendingError.Show();
labelSendingError.Text = "Invalid Address";
AddLog("Invalid Address\n" + address);
}
}
}
catch (Exception ex)
{
AddLog("HIP-02 lookup error");
AddLog(ex.Message);
labelSendingError.Show();
labelSendingError.Text = "HIP-02 lookup failed";
} else
{
labelSendingHIPAddress.Text = address;
labelSendingHIPAddress.Show();
labelHIPArrow.Show();
}
}
else
{