/// <summary>
/// Create the info section for the cast call.
/// </summary>
/// <returns>The infor section.</returns>
internal XElement CreateCastCallInfoSection()
{
XElement content = new XElement("content",
new XElement("app-id", AppIdInstance.ToString()),
new XElement("hmac", "HMACSHA256"),
new XElement("signing-time", DateTime.UtcNow.ToString("O"))
);
XElement outer = new XElement("outer", content);
XmlReader reader = outer.CreateReader();
reader.MoveToContent();
string s = reader.ReadInnerXml();
s = HealthVaultService.GetOuterXml(content);
string hmac = MobilePlatform.ComputeSha256Hmac(Convert.FromBase64String(SharedSecret), s);
XElement info = new XElement("info",
new XElement("auth-info",
new XElement("app-id", AppIdInstance.ToString()),
new XElement("credential",
new XElement("appserver2",
new XElement("hmacSig", hmac,
new XAttribute("algName", "HMACSHA256")
),
content
)
)
)
);
return(info);
}
/// <summary>
/// Loads the last-saved configuration from isolated storage.
/// </summary>
/// <param name="name">The filename to use.</param>
public void LoadSettings(string name)
{
string settingsXml = MobilePlatform.ReadTextFromFile(name);
if (settingsXml != null)
{
XElement settings = XElement.Parse(settingsXml);
string version = settings.Element("Version").Value;
string applicationIdString = settings.Element("ApplicationId").Value;
AppIdInstance = new Guid(applicationIdString);
AuthorizationSessionToken = settings.Element("AuthorizationSessionToken").Value;
SharedSecret = settings.Element("SharedSecret").Value;
Country = settings.Element("Country").Value;
Language = settings.Element("Language").Value;
SessionSharedSecret = settings.Element("SessionSharedSecret").Value;
// Create a temporary current record until we fetch the real one.
XElement personIdNode = settings.Element("PersonId");
if (settings.Element("PersonId") != null)
{
Guid personId = new Guid(settings.Element("PersonId").Value);
Guid recordId = new Guid(settings.Element("RecordId").Value);
CurrentRecord = new HealthVaultRecord(personId, recordId);
CurrentRecord.RecordName = settings.Element("RecordName").Value;
}
}
}
/// <summary>
/// Saves the current configuration to isolated storage.
/// </summary>
/// <param name="name">The filename to use.</param>
public void SaveSettings(string name)
{
XElement settings = new XElement("HealthVaultSettings",
new XElement("Version", SettingsVersion),
new XElement("ApplicationId", AppIdInstance.ToString()),
new XElement("ApplicationCreationToken", ApplicationCreationToken),
new XElement("AuthorizationSessionToken", AuthorizationSessionToken),
new XElement("SharedSecret", SharedSecret),
new XElement("Country", Country),
new XElement("Language", Language),
new XElement("SessionSharedSecret", SessionSharedSecret)
);
if (CurrentRecord != null)
{
settings.Add(new XElement("PersonId", CurrentRecord.PersonId.ToString()),
new XElement("RecordId", CurrentRecord.RecordId.ToString()),
new XElement("RecordName", CurrentRecord.RecordName));
}
MobilePlatform.SaveTextToFile(name, settings.ToString());
}
/// <summary>
/// Generate the XML for a request.
/// </summary>
/// <param name="clientRequest">The request.</param>
/// <returns>The XML representation.</returns>
internal string GenerateRequestXml(HealthVaultRequest clientRequest)
{
XElement request = XElement.Parse(@"<wc-request:request xmlns:wc-request=""urn:com.microsoft.wc.request"" />");
XElement header = new XElement("header");
{
header.Add(new XElement("method", clientRequest.MethodName));
header.Add(new XElement("method-version", clientRequest.MethodVersion));
if (CurrentRecord != null)
{
header.Add(new XElement("record-id", CurrentRecord.RecordId.ToString()));
}
if (!String.IsNullOrEmpty(AuthorizationSessionToken))
{
XElement authSession = new XElement("auth-session");
authSession.Add(new XElement("auth-token", AuthorizationSessionToken));
if (CurrentRecord != null)
{
authSession.Add(new XElement("offline-person-info",
new XElement("offline-person-id", CurrentRecord.PersonId.ToString())));
}
header.Add(authSession);
}
else
{
if (AppIdInstance == Guid.Empty)
{
header.Add(new XElement("app-id", MasterAppId.ToString()));
}
else
{
header.Add(new XElement("app-id", AppIdInstance.ToString()));
}
}
header.Add(new XElement("language", Language));
header.Add(new XElement("country", Country));
header.Add(new XElement("msg-time", clientRequest.MessageTime.ToUniversalTime().ToString("O")));
header.Add(new XElement("msg-ttl", "1800"));
header.Add(new XElement("version", MobilePlatform.PlatformAbbreviationAndVersion));
}
XElement info = new XElement("info");
if (clientRequest.InfoSection != null)
{
info = clientRequest.InfoSection;
}
if (clientRequest.MethodName != "CreateAuthenticatedSessionToken")
{
// if we have an info section, we need to compute the hash of that and put it in the header.
if (clientRequest.InfoSection != null)
{
string infoString = GetOuterXml(info);
header.Add(new XElement("info-hash",
MobilePlatform.ComputeSha256HashAndWrap(infoString)));
}
if (!String.IsNullOrEmpty(SessionSharedSecret))
{
byte[] sharedSecretKey = Convert.FromBase64String(SessionSharedSecret);
string headerXml = GetOuterXml(header);
request.Add(new XElement("auth",
MobilePlatform.ComputeSha256HmacAndWrap(sharedSecretKey, headerXml)));
}
}
request.Add(header);
request.Add(info);
string requestString = GetOuterXml(request);
return(requestString);
}
