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using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;
using System;
using SpotifyAPI.Web.Auth;
using SpotifyAPI.Web.Http;
using SpotifyAPI.Web;
using System.Collections.Generic;
using Newtonsoft.Json;
using static SpotifyAPI.Web.Scopes;
namespace Example.CLI.PersistentConfig
{
/// <summary>
/// This is a basic example how to get user access using the Auth package and a CLI Program
/// Your spotify app needs to have http://localhost:5000 as redirect uri whitelisted
/// </summary>
public class Program
{
private const string CredentialsPath = "credentials.json";
private static readonly string clientId = Environment.GetEnvironmentVariable("SPOTIFY_CLIENT_ID");
private static readonly string clientSecret = Environment.GetEnvironmentVariable("SPOTIFY_CLIENT_SECRET");
private static EmbedIOAuthServer _server;
public static async Task<int> Main()
{
if (File.Exists(CredentialsPath))
{
await Start();
}
else
{
await StartAuthentication();
}
Console.ReadKey();
return 0;
}
private static async Task Start()
{
var json = await File.ReadAllTextAsync(CredentialsPath);
var token = JsonConvert.DeserializeObject<AuthorizationCodeTokenResponse>(json);
var authenticator = new AuthorizationCodeAuthenticator(clientId, clientSecret, token);
authenticator.TokenRefreshed += (sender, token) => File.WriteAllText(CredentialsPath, JsonConvert.SerializeObject(token));
var config = SpotifyClientConfig.CreateDefault()
.WithAuthenticator(authenticator);
var spotify = new SpotifyClient(config);
var me = await spotify.UserProfile.Current();
Console.WriteLine($"Welcome {me.DisplayName} ({me.Id}), your authenticated!");
var playlists = await spotify.Paginate(await spotify.Playlists.CurrentUsers());
Console.WriteLine($"Total Playlists in your Account: {playlists.Count}");
Environment.Exit(0);
}
private static async Task StartAuthentication()
{
_server = new EmbedIOAuthServer(new Uri("http://localhost:5000/callback"), 5000);
await _server.Start();
_server.AuthorizationCodeReceived += OnAuthorizationCodeReceived;
var request = new LoginRequest(clientId, LoginRequest.ResponseType.Code)
{
Scope = new List<string> { UserReadEmail, UserReadPrivate, PlaylistReadPrivate }
};
Uri url = _server.BuildLoginUri(request);
try
{
BrowserUtil.Open(url);
}
catch (Exception)
{
Console.WriteLine("Unable to open URL, manually open: {0}", url);
}
}
private static async Task OnAuthorizationCodeReceived(object sender, AuthorizationCodeResponse response)
{
await _server.Stop();
AuthorizationCodeTokenResponse token = await new OAuthClient().RequestToken(
new AuthorizationCodeTokenRequest(clientId, clientSecret, response.Code, _server.BaseUri)
);
await File.WriteAllTextAsync(CredentialsPath, JsonConvert.SerializeObject(token));
await Start();
}
}
}