Переделан способ авторизации по qr

YandexMusic.API/API/YTrackAPI.cs

@@ -26,8 +26,8 @@ public class YTrackAPI : YCommonAPI
         return $"https://{host}/get-{codec}/{sign}/{ts}{path}";
     }
 
-    public Task<YTrack?> GetAsync(string trackId)
-        => GetAsync(trackId);
+    public async Task<YTrack?> GetAsync(string trackId)
+        => (await GetAsync([trackId]))?.FirstOrDefault();
 
     public Task<List<YTrack>?> GetAsync(IEnumerable<string> trackIds)
         => new YGetTracksBuilder(Api).ExecuteAsync(trackIds);

YandexMusic.API/API/YUserAPI.cs

@@ -23,7 +23,7 @@ public class YUserAPI : YCommonAPI
         if (!csrfMatch.Success || !processMatch.Success)
             return false;
 
-        Api.Storage.AuthToken = new YAuthToken
+        Api.Storage.HeaderToken = new YAuthToken
         {
             CsfrToken = csrfMatch.Groups[1].Value,
             ProcessUuid = processMatch.Groups[1].Value
@@ -45,9 +45,7 @@ public class YUserAPI : YCommonAPI
         Api.Storage.AccessToken = accessToken;
         Api.Storage.Token = accessToken.AccessToken;
 
-        var shortInfo = await new YGetShortAccountInfoBuilder(Api).ExecuteAsync(null!);
-        if (shortInfo?.Status != YAuthStatus.Ok || string.IsNullOrWhiteSpace(shortInfo.Uid))
-            throw new Exception("Не удалось подтвердить авторизацию");
+        await AuthorizeAsync(accessToken.AccessToken);
 
         return true;
     }
@@ -96,13 +94,31 @@ public class YUserAPI : YCommonAPI
         return $"https://passport.yandex.ru/auth/magic/code/?track_id={qr.TrackId}";
     }
 
-    public async Task<YAuthQRStatus?> AuthorizeByQRAsync()
+    public async Task<YAuthQRStatus?> CheckQRStatusAsync()
     {
         if (Api.Storage.AuthToken == null)
             throw new Exception("Сессия не инициализирована");
 
+        var status = await new YPostQrStatus(Api).ExecuteAsync(null!);
+
+        if (!string.IsNullOrWhiteSpace(status?.TrackId))
+        {
+            Api.Storage.AuthToken.SessionTrackId = status.TrackId;
+        }
+
+        return status;
+    }
+
+    public async Task<YAuthQRSession?> AuthorizeByQRAsync()
+    {
+        if (Api.Storage.AuthToken == null)
+            throw new Exception("Сессия не инициализирована");
+
+        if (string.IsNullOrWhiteSpace(Api.Storage.AuthToken.SessionTrackId))
+            throw new Exception("Токен сессии не инициализирован");
+
         var status = await new YGetAuthLoginQRBuilder(Api).ExecuteAsync(null!);
-        if (status?.Status == YAuthStatus.Ok && await LoginByCookiesAsync())
+        if (status != null && status.DefaultUid != 0 && await LoginByCookiesAsync())
             return status;
         throw new AuthenticationException("Ошибка авторизации по QR");
     }