// Asynchronous method to get request stream
private Task <Stream> GetRequestStream(HttpWebRequest request)
{
Stream requestStream;
var taskComplete = new TaskCompletionSource <Stream>();
request.BeginGetRequestStream(asyncRequest =>
{
try
{
HttpWebRequest responseRequest = (HttpWebRequest)asyncRequest.AsyncState;
requestStream = (Stream)responseRequest.EndGetRequestStream(asyncRequest);
taskComplete.TrySetResult(requestStream);
}
catch (WebException ex)
{
if (OnErrorReported != null)
{
UcwaAppUtils.ReportError(OnErrorReported, ex);
}
}
}, request);
return(taskComplete.Task);
}
public async Task <HttpStatusCode> SignIn(string userName, string password)
{
this.userName = userName;
this.password = password;
this.authenticationType = AuthenticationTypes.Password;
try
{
var opResult = await DiscoverRootResource(this.discoverFromInternalDomain);
if (opResult.Resource == null)
{
UcwaAppUtils.ReportProgress(OnProgressReported, "GetRootResource returns null result.", opResult.HttpStatusCode);
return(opResult.HttpStatusCode);
}
opResult = await GetUserResource(opResult.Resource.GetLinkUri("user"), userName, password, this.authenticationType);
if (opResult.Resource == null)
{
UcwaAppUtils.ReportProgress(OnProgressReported,
userName + " cannot be authenticated, with the " + this.authenticationType.ToString() + " grant_type.",
opResult.HttpStatusCode);
return(opResult.HttpStatusCode);
}
// Create the UCWA application bound to the specified user
opResult = await GetApplicationResource(opResult.Resource);
if (opResult.Resource == null)
{
UcwaAppUtils.ReportProgress(OnProgressReported, "Failed to create the UCWA application resource.", opResult.HttpStatusCode);
return(opResult.HttpStatusCode);
}
this.ApplicationResource = opResult.Resource;
UcwaAppUtils.ReportProgress(OnProgressReported, "Succeded in creating the application resource: " + this.ApplicationResource.Uri);
// Make me available to receive incoming alerts
this.Me = new UcwaAppMe(this);
var statusCode = await this.Me.PostMakeMeAvailable("4255552222", "Online",
new string[] { "Plain", "Html" }, new string[] { "PhoneAudio", "Messaging" });
if (statusCode != HttpStatusCode.NoContent)
{
UcwaAppUtils.ReportProgress(OnProgressReported, "Failed to post to makeMeAvailable resource.", statusCode);
return(statusCode);
}
// Get application resource again to receive any updates triggered by the POST request to making me available
opResult = await GetApplicationResource(this.ApplicationResource.Uri);
if (opResult.Resource == null)
{
UcwaAppUtils.ReportProgress(OnProgressReported, "Failed to get the updated application resource", opResult.HttpStatusCode);
return(opResult.HttpStatusCode);
}
this.ApplicationResource = opResult.Resource;
statusCode = await this.Me.Refresh();
}
catch (Exception ex)
{
UcwaAppUtils.ReportError(OnErrorReported, ex);
return(HttpStatusCode.BadRequest);
}
return(HttpStatusCode.OK);
}