122 lines
4.1 KiB
C#
122 lines
4.1 KiB
C#
using Newtonsoft.Json.Linq;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading.Tasks;
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using Windows.Storage;
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using Windows.Storage.Streams;
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namespace VDownload.Core.Services.Sources.Twitch
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{
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public class Auth
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{
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#region CONSTANTS
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// CLIENT ID
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public readonly static string ClientID = "yukkqkwp61wsv3u1pya17crpyaa98y";
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// GQL API CLIENT ID
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public readonly static string GQLApiClientID = "kimne78kx3ncx6brgo4mv6wki5h1ko";
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// REDIRECT URL
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public readonly static Uri RedirectUrl = new Uri("https://www.vd.com");
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// AUTHORIZATION URL
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private readonly static string ResponseType = "token";
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private readonly static string[] Scopes = new[]
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{
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"user:read:subscriptions",
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};
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public readonly static Uri AuthorizationUrl = new Uri($"https://id.twitch.tv/oauth2/authorize?client_id={ClientID}&redirect_uri={RedirectUrl.OriginalString}&response_type={ResponseType}&scope={string.Join(" ", Scopes)}");
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#endregion
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#region METHODS
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// READ ACCESS TOKEN
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public static async Task<string> ReadAccessTokenAsync()
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{
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try
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{
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// Get file
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StorageFolder authDataFolder = await ApplicationData.Current.LocalCacheFolder.GetFolderAsync("AuthData");
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StorageFile authDataFile = await authDataFolder.GetFileAsync("Twitch.auth");
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// Return data
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return await FileIO.ReadTextAsync(authDataFile);
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}
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catch (FileNotFoundException)
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{
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return null;
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}
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}
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// SAVE ACCESS TOKEN
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public static async Task SaveAccessTokenAsync(string accessToken)
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{
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// Get file
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StorageFolder authDataFolder = await ApplicationData.Current.LocalCacheFolder.CreateFolderAsync("AuthData", CreationCollisionOption.OpenIfExists);
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StorageFile authDataFile = await authDataFolder.CreateFileAsync("Twitch.auth", CreationCollisionOption.ReplaceExisting);
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// Save data
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FileIO.WriteTextAsync(authDataFile, accessToken);
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}
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// DELETE ACCESS TOKEN
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public static async Task DeleteAccessTokenAsync()
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{
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try
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{
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// Get file
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StorageFolder authDataFolder = await ApplicationData.Current.LocalCacheFolder.GetFolderAsync("AuthData");
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StorageFile authDataFile = await authDataFolder.GetFileAsync("Twitch.auth");
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// Delete file
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await authDataFile.DeleteAsync();
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}
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catch (FileNotFoundException) { }
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}
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// VALIDATE ACCESS TOKEN
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public static async Task<(bool IsValid, string Login, DateTime? ExpirationDate)> ValidateAccessTokenAsync(string accessToken)
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{
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// Create client
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WebClient client = new WebClient { Encoding = Encoding.UTF8 };
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client.Headers.Add("Authorization", $"Bearer {accessToken}");
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try
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{
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// Check access token
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JObject response = JObject.Parse(await client.DownloadStringTaskAsync("https://id.twitch.tv/oauth2/validate"));
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string login = response["login"].ToString();
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DateTime? expirationDate = DateTime.Now.AddSeconds(long.Parse(response["expires_in"].ToString()));
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return (true, login, expirationDate);
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}
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catch (WebException)
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{
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return (false, null, null);
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}
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}
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// REVOKE ACCESS TOKEN
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public static async Task RevokeAccessTokenAsync(string accessToken)
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{
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// Create client
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WebClient client = new WebClient { Encoding = Encoding.UTF8 };
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// Revoke access token
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await client.UploadStringTaskAsync(new Uri("https://id.twitch.tv/oauth2/revoke"), $"client_id={ClientID}&token={accessToken}");
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}
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#endregion
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}
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}
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