Core refactoring (app doesn't work)

2020-05-09 23:16:19 +03:00
parent 2b1f06dd93
commit 2a987e33a2
35 changed files with 1135 additions and 817 deletions
@@ -0,0 +1,124 @@
+using Google.Apis.Auth.OAuth2;
+using Google.Apis.Oauth2.v2;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Windows.Security.Authentication.Web;
+using YouTube.Authorization;
+using System.Text.RegularExpressions;
+using Windows.Security.Credentials;
+using FoxTube.Models;
+using YouTube;
+using System.Threading;
+using Google.Apis.YouTube.v3;
+using Google.Apis.YouTube.v3.Data;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Popups;
+using FoxTube.Utils;
+
+namespace FoxTube
+{
+	public static class UserManagement
+	{
+		static ExtendedYouTubeService _defaultService = new ExtendedYouTubeService(new Google.Apis.Services.BaseClientService.Initializer
+		{
+			ApplicationName = "FoxTube",
+			ApiKey = "AIzaSyBgHrCnrlzlVmk0cJKL8RqP9Y8x6XSuk_0"
+			//ApiKey = "AIzaSyD7tpbuvmYDv9h4udo9L_g3r0sLPFAnN00"
+		});
+
+		static string[] Scopes { get; } = new string[]
+		{
+			Oauth2Service.Scope.UserinfoProfile,
+			Oauth2Service.Scope.UserinfoEmail,
+			YouTubeService.Scope.YoutubeForceSsl
+		};
+
+		static ClientSecrets ClientSecrets { get; } = new ClientSecrets
+		{
+			ClientId = "349735264870-2ekqlm0a4mkg3mmrfcv90s3qp3o15dq0.apps.googleusercontent.com",
+			ClientSecret = "BkVZOAaCU2Zclf0Zlicg6y2_"
+			//ClientId = "1096685398208-u95rcpkqb4e1ijfmb8jdq3jsg37l8igv.apps.googleusercontent.com",
+			//ClientSecret = "IU5bbdjwvmx8ttJoXQ7e6JWd"
+		};
+
+		public static User CurrentUser { get; set; }
+		public static bool Authorized => CurrentUser != null;
+		public static ExtendedYouTubeService Service => CurrentUser?.Service ?? _defaultService;
+
+		public static event EventHandler<bool> UserStateUpdated;
+		public static event EventHandler<Subscription> SubscriptionsChanged;
+
+		public static async Task<bool> AddUser()
+		{
+			Uri requestString = AuthorizationHelpers.FormQueryString(ClientSecrets, Scopes);
+
+			WebAuthenticationResult result = await WebAuthenticationBroker.AuthenticateAsync(WebAuthenticationOptions.UseTitle, requestString, AuthorizationHelpers.Endpoint);
+			switch (result.ResponseStatus)
+			{
+				case WebAuthenticationStatus.Success:
+					string successCode = new Regex(@"(?<=code=)(.*?)(?=&)").Match(result.ResponseData).Value;
+
+					UserCredential credential = await AuthorizationHelpers.ExchangeToken(ClientSecrets, successCode);
+					CurrentUser = new User(credential);
+
+					PasswordVault passwordVault = new PasswordVault();
+					passwordVault.Add(new PasswordCredential("foxtube", CurrentUser.UserInfo.Id, credential.Token.RefreshToken));
+					UserStateUpdated?.Invoke(null, true);
+					return true;
+				case WebAuthenticationStatus.UserCancel:
+					break;
+				case WebAuthenticationStatus.ErrorHttp:
+					await new ContentDialog
+					{
+						Title = "Something went wrong...",
+						Content = "It may be a bug or temporary server issues. Please, try again later"
+					}.ShowAsync();
+
+					Metrics.SendReport(new Exception("Authorization failed (HTTP Error)"), null,
+						("Response status", result.ResponseStatus.ToString()),
+						("Response data", result.ResponseData),
+						("Error details", result.ResponseErrorDetail.ToString()));
+					break;
+			}
+			return false;
+		}
+
+		public static async Task Initialize()
+		{
+			PasswordVault passwordVault = new PasswordVault();
+			IReadOnlyList<PasswordCredential> credentials;
+			credentials = passwordVault.RetrieveAll();
+
+			if (credentials.Count == 0)
+				return;
+
+			try
+			{
+				credentials[0].RetrievePassword();
+				UserCredential credential = await AuthorizationHelpers.RestoreUser(ClientSecrets, credentials[0].Password);
+				credentials[0].Password = credential.Token.RefreshToken;
+				CurrentUser = new User(credential);
+			}
+			catch (Exception e)
+			{
+				await new MessageDialog("It may be a bug or temporary server issues. Please, try again later", "Something went wrong...").ShowAsync();
+
+				Metrics.SendReport(new Exception("Refresh token exchange failed", e));
+
+				foreach (PasswordCredential i in credentials)
+					passwordVault.Remove(i);
+			}
+		}
+
+		public static async Task Logout()
+		{
+			PasswordVault passwordVault = new PasswordVault();
+			PasswordCredential credential = passwordVault.Retrieve("foxtube", CurrentUser.UserInfo.Id);
+			passwordVault.Remove(credential);
+			await CurrentUser.Credential.RevokeTokenAsync(CancellationToken.None);
+
+			UserStateUpdated?.Invoke(null, false);
+		}
+	}
+}