public void CanGenerateValidMac()
{
/*
The text string that will be hashed is the concatenation of the
* <requestor>, <session>, <timestamp>, <routing>, <member>, and <account> fields.
* RFC 2104 calls for a shared secret password that is used in creating the MAC.
* Vertifi and the home banking services provider mutually agree on a key
* (a minimum of 16-bytes in length), and a mechanism and schedule for periodically
* refreshing this key.
* http://www.briangrinstead.com/blog/multipart-form-post-in-c
*/
var macMessage = GenerateMacMessage();
var macSecretPassword = GenerateMacSecretPassword();
var macHelper = new MacHelper();
var mac = macHelper.BuildMac(macSecretPassword, macMessage);
var macValidate = macHelper.BuildMac(macSecretPassword, macMessage);
Assert.IsTrue(mac == macValidate);
}
public void SendRequest()
{
var macHelper = new MacHelper();
var mac = macHelper.BuildMac(GenerateMacSecretPassword(), GenerateMacMessage());
var postUrl = "http://testing.testing.com";
var contentType = "multipart/form-data";
var userAgent = "";
var formDataStream = new System.IO.MemoryStream();
var formDataBoundary = String.Format("----------{0:N}", Guid.NewGuid());
var formData = new Dictionary<string, string>();
formData.Add("requestor", "requestor1");
formData.Add("session", "session1");
formData.Add("timestamp", DateTime.UtcNow.ToString());
formData.Add("routing", "routing1");
formData.Add("member", "member1");
formData.Add("account", "account1");
formData.Add("MAC", mac);
foreach (var data in formData)
{
var postData = string.Format("--{0}\r\nContent-Disposition: form-data; name=\"{1}\"\r\n\r\n{2}",
formDataBoundary,
data.Key,
data.Value);
formDataStream.Write(Encoding.UTF8.GetBytes(postData), 0, Encoding.UTF8.GetByteCount(postData));
}
formDataStream.Position = 0;
byte[] formDataBytes = new byte[formDataStream.Length];
formDataStream.Read(formDataBytes, 0, formDataBytes.Length);
formDataStream.Close();
HttpWebRequest request = WebRequest.Create(postUrl) as HttpWebRequest;
request.Method = "POST";
request.ContentType = contentType;
request.UserAgent = userAgent;
request.CookieContainer = new CookieContainer();
request.ContentLength = formDataBytes.Length;
using (Stream requestStream = request.GetRequestStream())
{
requestStream.Write(formDataBytes, 0, formDataBytes.Length);
requestStream.Close();
}
var webResponseText = "";
var encoding = System.Text.Encoding.GetEncoding(1252);
using (var webResponse = request.GetResponse() as HttpWebResponse)
{
using (var webResponseStream = new StreamReader(webResponse.GetResponseStream(), encoding))
{
webResponseText = webResponseStream.ReadToEnd();
}
}
}