using System; using System.Diagnostics; using System.Text; using System.Threading; using SpotifyAPI.Web.Enums; using SpotifyAPI.Web.Models; namespace SpotifyAPI.Web.Auth { public class ImplicitGrantAuth { public delegate void OnResponseReceived(Token token, String error); private SimpleHttpServer _httpServer; private Thread _httpThread; public String ClientId { get; set; } public String RedirectUri { get; set; } public String State { get; set; } public Scope Scope { get; set; } public Boolean ShowDialog { get; set; } public event OnResponseReceived OnResponseReceivedEvent; /// /// Start the auth process (Make sure the internal HTTP-Server ist started) /// public void DoAuth() { String uri = GetUri(); Process.Start(uri); } private String GetUri() { StringBuilder builder = new StringBuilder("https://accounts.spotify.com/authorize/?"); builder.Append("client_id=" + ClientId); builder.Append("&response_type=token"); builder.Append("&redirect_uri=" + RedirectUri); builder.Append("&state=" + State); builder.Append("&scope=" + Scope.GetStringAttribute(" ")); builder.Append("&show_dialog=" + ShowDialog); return builder.ToString(); } /// /// Start the internal HTTP-Server /// public void StartHttpServer() { _httpServer = new SimpleHttpServer(80, AuthType.Implicit); _httpServer.OnAuth += HttpServerOnOnAuth; _httpThread = new Thread(_httpServer.Listen); _httpThread.Start(); } private void HttpServerOnOnAuth(AuthEventArgs e) { if (OnResponseReceivedEvent != null) OnResponseReceivedEvent(new Token { AccessToken = e.Code, TokenType = e.TokenType, ExpiresIn = e.ExpiresIn, Error = e.Error }, e.State); } /// /// This will stop the internal HTTP-Server (Should be called after you got the Token) /// public void StopHttpServer() { _httpServer.Dispose(); _httpServer = null; } } }