private async void pageRoot_Loaded_1(object sender, RoutedEventArgs e)
{
if (MediaControl.IsPlaying)
{
BG1.Begin();
}
if (Security._vault.RetrieveAll().Count == 0)
{
Globalv.session_key = null;
}
else
{
PasswordCredential rt = Security._vault.Retrieve("Session Key", "user");
rt.RetrievePassword();
Globalv.session_key = rt.Password;
}
if (Globalv.session_key == null)
{
progbar.Visibility = Visibility.Visible;
String lfmURL = "https://www.last.fm/api/auth/?api_key=" + Globalv.lfm_api_key + "&cb=" + EndUri;
System.Uri StartUri = new Uri(lfmURL);
WebAuthenticationResult WebAuthenticationResult = await WebAuthenticationBroker.AuthenticateAsync(
WebAuthenticationOptions.None,
StartUri,
EndUri);
if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.Success)
{
//get and save lfm session key
string[] responseData = WebAuthenticationResult.ResponseData.ToString().Split('?');
string token = responseData[1].Substring(6);
HttpClient cli = new HttpClient();
string getsk_sig = "api_key" + Globalv.lfm_api_key + "methodauth.getSessiontoken" + token + "0e6e780c3cfa3faedf0c58d5aa6de92f";
HashAlgorithmProvider objAlgProv = HashAlgorithmProvider.OpenAlgorithm("MD5");
CryptographicHash objHash = objAlgProv.CreateHash();
IBuffer buffSig = CryptographicBuffer.ConvertStringToBinary(getsk_sig, BinaryStringEncoding.Utf8);
objHash.Append(buffSig);
IBuffer buffSighash = objHash.GetValueAndReset();
string api_sig = CryptographicBuffer.EncodeToHexString(buffSighash);
string get_sk = @"http://ws.audioscrobbler.com/2.0/?method=auth.getSession&api_key=" + Globalv.lfm_api_key + "&api_sig=" + api_sig + "&token=" + token;
HttpResponseMessage r = await cli.GetAsync(get_sk);
string xml_resp = await r.Content.ReadAsStringAsync();
using (XmlReader rd = XmlReader.Create(new StringReader(xml_resp)))
{
rd.ReadToFollowing("key");
Globalv.session_key = rd.ReadElementContentAsString();
var c = new PasswordCredential("Session Key", "user", Globalv.session_key);
Mu3.Security._vault.Add(c);
/*
* PasswordCredential rt = Security._vault.Retrieve("Session Key", "user");
* rt.RetrievePassword();
* MessageDialog m = new MessageDialog(rt.Password);
* await m.ShowAsync();
*/
}
//MessageDialog m1 = new MessageDialog(Globalv.session_key);
//await m1.ShowAsync();
}
else if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.ErrorHttp)
{
MessageDialog m = new MessageDialog("HTTP Error returned by AuthenticateAsync() : " + WebAuthenticationResult.ResponseErrorDetail.ToString());
await m.ShowAsync();
}
else
{
MessageDialog m = new MessageDialog("Error returned by AuthenticateAsync() : " + WebAuthenticationResult.ResponseStatus.ToString());
await m.ShowAsync();
}
}
string resp = await Lastfm.user_getRecommendedArtists();
Globalv.RecommendedArtists.Clear();
bool success = false;
try
{
using (XmlReader rd = XmlReader.Create(new StringReader(resp)))
{
rd.ReadToFollowing("recommendations");
rd.MoveToAttribute("perPage");
int size = 34;
for (int i = 0; i < size; i++)
{
Artist ar = new Artist();
//rd.ReadToFollowing("artist");
rd.ReadToFollowing("name");
ar.name = rd.ReadElementContentAsString();
rd.ReadToNextSibling("mbid");
ar.mbid = rd.ReadElementContentAsString();
rd.ReadToNextSibling("image");
rd.ReadToNextSibling("image");
rd.ReadToNextSibling("image");
ar.image = new Windows.UI.Xaml.Media.Imaging.BitmapImage(new Uri(rd.ReadElementContentAsString(), UriKind.Absolute));
Globalv.RecommendedArtists.Add(ar);
}
List <Artist> dps = Globalv.RecommendedArtists.Distinct().ToList();
itemGridView.ItemsSource = dps;
success = true;
}
}
catch (Exception)
{
success = false;
}
if (!success)
{
MessageDialog m = new MessageDialog("There was some error in fetching content. Please try after sometime.", "Oops!");
await m.ShowAsync();
}
progbar.Visibility = Visibility.Collapsed;
}
