Плеер

PlaylistShared.Api/Services/JwtService.cs

@@ -46,4 +46,29 @@ public class JwtService
 
         return (tokenString, refreshToken, tokenDescriptor.Expires.Value);
     }
+
+    public ClaimsPrincipal? ValidateToken(string token)
+    {
+        var tokenHandler = new JwtSecurityTokenHandler();
+        var key = Encoding.UTF8.GetBytes(_configuration["Jwt:Key"]!);
+        try
+        {
+            var principal = tokenHandler.ValidateToken(token, new TokenValidationParameters
+            {
+                ValidateIssuerSigningKey = true,
+                IssuerSigningKey = new SymmetricSecurityKey(key),
+                ValidateIssuer = true,
+                ValidIssuer = _configuration["Jwt:Issuer"],
+                ValidateAudience = true,
+                ValidAudience = _configuration["Jwt:Audience"],
+                ValidateLifetime = true,
+                ClockSkew = TimeSpan.Zero
+            }, out _);
+            return principal;
+        }
+        catch
+        {
+            return null;
+        }
+    }
 }

PlaylistShared.Api/Services/YandexMusicService.cs

@@ -72,6 +72,15 @@ public class YandexMusicService
         return await playlist.RemoveTracksAsync(tracks.ToArray());
     }
 
+    public async Task<string?> GetTrackFileUrlAsync(ApplicationUser user, string trackId)
+    {
+        using var client = await CreateClientAsync(user);
+        if (client == null) return null;
+        var track = await client.GetTrackAsync(trackId);
+        if (track == null) return null;
+        return await track.GetLinkAsync();
+    }
+
     public string EncryptToken(string token) => _dataProtector.Protect(token);
 
     public string DecryptToken(string encryptedToken)