public void ThaliWebRequestTest()
{
var keyPair = ThaliCryptoUtilities.GenerateThaliAcceptablePublicPrivateKeyPair();
var pkcs12Stream = ThaliCryptoUtilities.CreatePKCS12KeyStoreWithPublicPrivateKeyPair(
keyPair,
ThaliCryptoUtilities.DefaultPassPhrase);
var cert = ThaliCryptoUtilities.GetX509Certificate(pkcs12Stream, ThaliCryptoUtilities.DefaultPassPhrase);
var serverKey = ThaliClientToDeviceHubUtilities.GetServersRootPublicKey(Host, Port, cert);
var serverHttpKeyUri = HttpKeyUri.BuildHttpKeyUri(serverKey, Host, Port, null, null);
var thaliWebRequest = ThaliClientToDeviceHubUtilities.CreateThaliWebRequest(serverHttpKeyUri, cert);
thaliWebRequest.Method = "GET";
thaliWebRequest.GetResponse().Close();
}
private static XmlHttpResponse ExecuteProvisionLocalClientToLocalHub(
XmlHttpRequest xmlHttpRequest,
X509Certificate2 clientCert)
{
var hubHttpKeyUri = DiscoverRootCertIfNeeded(HttpKeyUri.BuildHttpKeyUri(xmlHttpRequest.url), clientCert);
ThaliClientToDeviceHubUtilities.ProvisionThaliClient(
hubHttpKeyUri.ServerPublicKey,
hubHttpKeyUri.Host,
hubHttpKeyUri.Port,
clientCert);
return new XmlHttpResponse { status = 200, transactionId = xmlHttpRequest.transactionId, responseText = hubHttpKeyUri.AbsoluteUri };
}
private static XmlHttpResponse ExecuteProvisionLocalHubToRemoteHub(
XmlHttpRequest xmlHttpRequest,
X509Certificate2 clientCert)
{
var remoteHubHttpKeyUri = DiscoverRootCertIfNeeded(HttpKeyUri.BuildHttpKeyUri(xmlHttpRequest.url), clientCert);
var localHubHttpKeyUri = HttpKeyUri.BuildHttpKeyUri(xmlHttpRequest.requestText);
ThaliClientToDeviceHubUtilities.ProvisionKeyInPrincipalDatabase(remoteHubHttpKeyUri.ServerPublicKey, remoteHubHttpKeyUri.Host, remoteHubHttpKeyUri.Port, localHubHttpKeyUri.ServerPublicKey, clientCert);
return new XmlHttpResponse
{
status = 200,
transactionId = xmlHttpRequest.transactionId,
responseText = remoteHubHttpKeyUri.AbsoluteUri
};
}
private static XmlHttpResponse ProxyRequest(
XmlHttpRequest xmlHttpRequest,
X509Certificate2 clientCert)
{
var httpKeyUri = HttpKeyUri.BuildHttpKeyUri(xmlHttpRequest.url);
HttpWebRequest webRequest = ThaliClientToDeviceHubUtilities.CreateThaliWebRequest(httpKeyUri, clientCert);
webRequest.Method = xmlHttpRequest.method;
// There are multiple headers that cannot be set directly via webRequest.Headers. I only catch
// two below that seem of some reasonable use.
foreach (var headerNameValue in xmlHttpRequest.headers)
{
if (headerNameValue.Key.Equals("Accept", StringComparison.OrdinalIgnoreCase))
{
webRequest.Accept = headerNameValue.Value;
}
else if (headerNameValue.Key.Equals("Content-Type", StringComparison.OrdinalIgnoreCase))
{
webRequest.ContentType = headerNameValue.Value;
}
else
{
webRequest.Headers.Add(headerNameValue.Key, headerNameValue.Value);
}
}
if (string.IsNullOrWhiteSpace(xmlHttpRequest.requestText))
{
return ProcessResponse(xmlHttpRequest.transactionId, webRequest);
}
var bodyAsBytes = Encoding.UTF8.GetBytes(xmlHttpRequest.requestText);
webRequest.GetRequestStream().Write(bodyAsBytes, 0, bodyAsBytes.Count());
var response = ProcessResponse(xmlHttpRequest.transactionId, webRequest);
return response;
}
/// <summary>
/// TODO: This whole method is just wrong, what happens if the server at the address changes its key?!?!?!
/// TODO: Once we have a real discovery framework this whole 0.0 mechanism needs to go away.
/// </summary>
/// <param name="httpKeyUri"></param>
/// <param name="clientCert"></param>
/// <returns></returns>
private static HttpKeyUri DiscoverRootCertIfNeeded(HttpKeyUri httpKeyUri, X509Certificate2 clientCert)
{
if (httpKeyUri.ServerPublicKey.Exponent.Equals(BigInteger.Zero)
&& httpKeyUri.ServerPublicKey.Modulus.Equals(BigInteger.Zero))
{
var host = httpKeyUri.Host;
var port = httpKeyUri.Port;
var hostPortTuple = new Tuple<string, int>(host, port);
var serverPublicKey = HttpKeyStore.GetOrAdd(
hostPortTuple,
keyTuple => ThaliClientToDeviceHubUtilities.GetServersRootPublicKey(host, port, clientCert));
var serverHttpKey = HttpKeyUri.BuildHttpKeyUri(
serverPublicKey,
host,
port,
httpKeyUri.PathWithoutPublicKey,
httpKeyUri.Query);
return serverHttpKey;
}
return httpKeyUri;
}
public void HttpKeyUriTests()
{
var keyPair = ThaliCryptoUtilities.GenerateThaliAcceptablePublicPrivateKeyPair();
var serverPublicKey = new BigIntegerRSAPublicKey((RsaKeyParameters)keyPair.Public);
const string Host = "foo.com";
const int Port = 413;
string path = "/ick";
string query = "?ark";
string fragment = "#bark";
string extraValue = query + fragment;
var httpKeyURL = HttpKeyUri.BuildHttpKeyUri(serverPublicKey, Host, Port, path, extraValue);
// We want one we do manually just to make sure everything is o.k.
Assert.IsTrue(Host.Equals(httpKeyURL.Host, StringComparison.Ordinal));
Assert.IsTrue(Port == httpKeyURL.Port);
Assert.IsTrue(serverPublicKey.Modulus.Equals(httpKeyURL.ServerPublicKey.Modulus));
Assert.IsTrue(serverPublicKey.Exponent.Equals(httpKeyURL.ServerPublicKey.Exponent));
Assert.IsTrue(query.Equals(httpKeyURL.Query, StringComparison.Ordinal));
Assert.IsTrue(fragment.Equals(httpKeyURL.Fragment, StringComparison.Ordinal));
Assert.IsTrue(httpKeyURL.PathWithoutPublicKey.Equals(path, StringComparison.Ordinal));
string expectedURL = HttpKeyUri.HttpKeySchemeName + "://" + Host + ":" + Port + "/" +
HttpKeyUri.RsaKeyType + ":" + serverPublicKey.Exponent + "." + serverPublicKey.Modulus +
path + query + fragment;
Assert.IsTrue(expectedURL.Equals(httpKeyURL.ToString(), StringComparison.Ordinal));
string expectedHttpsURL = "https://" + Host + ":" + Port + path + query + fragment;
Assert.IsTrue(expectedHttpsURL.Equals(httpKeyURL.CreateHttpsUrl(), StringComparison.Ordinal));
// ReSharper disable once EqualExpressionComparison
Assert.IsTrue(httpKeyURL.Equals(httpKeyURL));
HttpKeyUri secondHttpKeyURL = HttpKeyUri.BuildHttpKeyUri(expectedURL);
Assert.IsTrue(httpKeyURL.Equals(secondHttpKeyURL));
HttpKeyUri thirdHttpKeyURL = HttpKeyUri.BuildHttpKeyUri(serverPublicKey, Host, Port, null, null);
string expectedThirdURL = HttpKeyUri.HttpKeySchemeName + "://" + Host + ":" + Port + "/" +
HttpKeyUri.RsaKeyType + ":" + serverPublicKey.Exponent + "." + serverPublicKey.Modulus;
Assert.IsTrue(expectedThirdURL.Equals(thirdHttpKeyURL.ToString(), StringComparison.Ordinal));
Assert.IsTrue(HttpKeyUri.BuildHttpKeyUri(expectedThirdURL).Equals(thirdHttpKeyURL));
path = "/ick ?";
query = "?????? ";
fragment = "###???///???";
HttpKeyUri escapedChars = HttpKeyUri.BuildHttpKeyUri(serverPublicKey, Host, Port, path, query + fragment);
expectedHttpsURL = "https://" + Host + ":" + Port + "/ick%20%20%3F" + "??????%20%20%20%20" + "###???///???";
Assert.IsTrue(expectedHttpsURL.Equals(escapedChars.CreateHttpsUrl(), StringComparison.Ordinal));
path = "/ick/bick/bark/ark/mark/hark";
httpKeyURL = HttpKeyUri.BuildHttpKeyUri(serverPublicKey, Host, Port, path, extraValue);
Assert.IsTrue(httpKeyURL.PathWithoutPublicKey.Equals(path, StringComparison.Ordinal));
httpKeyURL = HttpKeyUri.BuildHttpKeyUri(httpKeyURL.ToString());
Assert.IsTrue(httpKeyURL.PathWithoutPublicKey.Equals(path, StringComparison.Ordinal));
}