private async Task <bool> ListenForCallbackAndGetResult(CancellationToken token)
{
var success = false;
using var listener = new SpotifyCallbackListener(5000);
await listener.ListenToSingleRequestAndRespondAsync(async uri =>
{
var query = HttpUtility.ParseQueryString(HttpUtility.HtmlDecode(uri.Query));
var response = await _httpClient.PostAsync("https://accounts.spotify.com/api/token",
new FormUrlEncodedContent(new Dictionary <string, string>
{
{ "code", query["code"] },
{ "client_id", _appSettings.ClientId },
{ "grant_type", "authorization_code" },
{ "redirect_uri", "http://localhost:5000/" },
{ "code_verifier", _codeVerifier }
}), token);
if (!response.IsSuccessStatusCode)
{
return(string.Format(AppConstants.ErrorHtml, response.StatusCode, await response.Content.ReadAsStringAsync(token)));
}
_appSettings.SpotifyTokens = JsonSerializer.Deserialize <SpotifyAccessToken>(await response.Content.ReadAsStringAsync(token));
_appSettings.SpotifyTokens !.ExpiresAt = DateTime.Now.AddSeconds(_appSettings.SpotifyTokens.ExpiresInSeconds);
IsAuthenticated = true;
success = true;
return(AppConstants.SuccessHtml);
}, token);
return(success);
}
private async Task <bool> GetAuthToken()
{
using var listener = new SpotifyCallbackListener(5000);
var cts = new CancellationTokenSource();
var result = await ListenForCallbackAndGetResult(cts.Token);
cts.Cancel();
return(result);
}
