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202 lines (177 loc) · 6.08 KB
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Threading.Tasks;
using System.Threading;
using Newtonsoft.Json;
namespace SpotifyAPI.SpotifyLocalAPI
{
class RemoteHandler
{
private static RemoteHandler instance = new RemoteHandler();
public String oauthKey { get; private set; }
public String cfidKey { get; private set; }
public String host = "127.0.0.1";
private class ExtendedWebClientInstance : ExtendedWebClient
{
internal ExtendedWebClientInstance()
{
Timeout = 2000;
Proxy = null;
Headers.Add("Origin", "https://embed.spotify.com");
Headers.Add("Referer", "https://embed.spotify.com/?uri=spotify:track:5Zp4SWOpbuOdnsxLqwgutt");
}
}
internal static RemoteHandler GetInstance()
{
// Is this supposed to return the current instance?
return instance;
}
internal RemoteHandler()
{
}
internal Boolean Init()
{
oauthKey = GetOAuthKey();
cfidKey = GetCFID();
if (cfidKey == "")
return false;
return true;
}
internal async void SendPauseRequest()
{
await QueryAsync("remote/pause.json?pause=true", true, true, -1);
}
internal async void SendPlayRequest()
{
await QueryAsync("remote/pause.json?pause=false", true, true, -1);
}
internal async void SendPlayRequest(String url)
{
await QueryAsync("remote/play.json?uri=" + url, true, true, -1);
}
internal async void SendQueueRequest(String url)
{
await QueryAsync("remote/play.json?uri=" + url + "?action=queue", true, true, -1);
}
internal StatusResponse Update()
{
String response = query("remote/status.json", true, true, -1);
if (response == "")
{
return null;
}
response = response.Replace("\\n", "");
byte[] bytes = Encoding.Default.GetBytes(response);
response = Encoding.UTF8.GetString(bytes);
List<StatusResponse> raw = (List<StatusResponse>)JsonConvert.DeserializeObject(response, typeof(List<StatusResponse>));
return raw[0];
}
internal String GetOAuthKey()
{
String raw = "";
using (WebClient wc = new WebClient())
{
wc.Proxy = null;
raw = wc.DownloadString("http://open.spotify.com/token");
}
Dictionary<String, object> lol = (Dictionary<String, object>)JsonConvert.DeserializeObject<Dictionary<String, object>>(raw);
return (String)lol["t"];
}
internal string GetCFID()
{
string a = query("simplecsrf/token.json", false, false, -1);
a = a.Replace(@"\", "");
List<CFID> d = (List<CFID>)JsonConvert.DeserializeObject(a, typeof(List<CFID>));
if (d == null)
return "";
if (d.Count != 1)
throw new Exception("CFID couldn't be loaded");
if (d[0].error != null)
return "";
return d[0].token;
}
internal string query(string request, bool oauth, bool cfid, int wait)
{
string parameters = "?&ref=&cors=&_=" + GetTimestamp();
if (request.Contains("?"))
{
parameters = parameters.Substring(1);
}
if (oauth)
{
parameters += "&oauth=" + oauthKey;
}
if (cfid)
{
parameters += "&csrf=" + cfidKey;
}
if (wait != -1)
{
parameters += "&returnafter=" + wait;
parameters += "&returnon=login%2Clogout%2Cplay%2Cpause%2Cerror%2Cap";
}
string a = "http://" + host + ":4380/" + request + parameters;
string response = "";
try
{
//Need to find a better solution
using (var wc = new ExtendedWebClientInstance())
{
if (SpotifyLocalAPIClass.IsSpotifyRunning())
response = "[ " + wc.DownloadString(a) + " ]";
}
}
catch (Exception z)
{
Console.WriteLine(z.Message);
return "";
}
return response;
}
internal async Task<string> QueryAsync(string request, bool oauth, bool cfid, int wait)
{
string parameters = "?&ref=&cors=&_=" + GetTimestamp();
if (request.Contains("?"))
{
parameters = parameters.Substring(1);
}
if (oauth)
{
parameters += "&oauth=" + oauthKey;
}
if (cfid)
{
parameters += "&csrf=" + cfidKey;
}
if (wait != -1)
{
parameters += "&returnafter=" + wait;
parameters += "&returnon=login%2Clogout%2Cplay%2Cpause%2Cerror%2Cap";
}
string a = "http://" + host + ":4380/" + request + parameters;
string response = "";
try
{
//Need to find a better solution
using (var wc = new ExtendedWebClientInstance())
{
if (SpotifyLocalAPIClass.IsSpotifyRunning())
response = "[ " + await wc.DownloadStringTaskAsync(new Uri(a)) + " ]";
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
return "";
}
return response;
}
internal int GetTimestamp()
{
return Convert.ToInt32((DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0)).TotalSeconds);
}
}
}