private void GoogleServicesOnFailedToAuthenticate(object o, EventArgs eventArgs)
{
this.GMailServices = null;
this.CalendarServices = null;
this.Authenticate();
}
private async void Authenticate()
{
var SpotifyUrl = $"https://accounts.google.com/o/oauth2/auth?client_id={this.clientId}&redirect_uri={Uri.EscapeDataString(this.redirectURI)}&response_type=code&scope={Uri.EscapeDataString(this.scope)}";
var StartUri = new Uri(SpotifyUrl);
var EndUri = new Uri(redirectURI);
WebAuthenticationResult WebAuthenticationResult = await WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions.None, StartUri, EndUri);
if (WebAuthenticationResult.ResponseStatus == WebAuthenticationStatus.Success)
{
var decoder = new WwwFormUrlDecoder(new Uri(WebAuthenticationResult.ResponseData).Query);
if (decoder[0].Name != "code")
{
System.Diagnostics.Debug.WriteLine($"OAuth authorization error: {decoder.GetFirstValueByName("error")}.");
return;
}
var autorizationCode = decoder.GetFirstValueByName("code");
var pairs = new Dictionary <string, string>();
pairs.Add("code", autorizationCode);
pairs.Add("client_id", this.clientId);
pairs.Add("client_secret", this.clientSecret);
pairs.Add("redirect_uri", this.redirectURI);
pairs.Add("grant_type", "authorization_code");
var formContent = new Windows.Web.Http.HttpFormUrlEncodedContent(pairs);
var client = new Windows.Web.Http.HttpClient();
var httpResponseMessage = await client.PostAsync(new Uri("https://www.googleapis.com/oauth2/v4/token"), formContent);
if (!httpResponseMessage.IsSuccessStatusCode)
{
System.Diagnostics.Debug.WriteLine($"OAuth authorization error: {httpResponseMessage.StatusCode}.");
return;
}
string jsonString = await httpResponseMessage.Content.ReadAsStringAsync();
var jsonObject = Windows.Data.Json.JsonObject.Parse(jsonString);
var accessToken = jsonObject["access_token"].GetString();
this.accessToken = accessToken;
this.gotAccessToken = true;
this.GMailServices = new GmailServices(this.accessToken);
this.GMailServices.LatestEmailsEvent += (sender, status) => { this.LatestEmailsEvent?.Invoke(this, status); };
this.CalendarServices = new CalendarServices(this.accessToken);
this.CalendarServices.LatestCalendarEvent += (sender, status) => { this.LatestCalendarEvent?.Invoke(this, status); };
}
}
public GoogleServices()
{
this.GMailServices = new GmailServices(this.accessToken);
this.GMailServices.FailedToAuthenticate += this.GoogleServicesOnFailedToAuthenticate;
this.GMailServices.LatestEmailsEvent += (sender, status) => { this.LatestEmailsEvent?.Invoke(this, status); };
this.CalendarServices = new CalendarServices(this.accessToken);
this.CalendarServices.LatestCalendarEvent += (sender, status) => { this.LatestCalendarEvent?.Invoke(this, status); };
this.CalendarServices.FailedToAuthenticate += this.GoogleServicesOnFailedToAuthenticate;
//this.Authenticate();
}
