Initial commit to new repository

.decompiledproj/AxCopilot/Services/FaviconService.cs

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+using System;
+using System.Collections.Concurrent;
+using System.IO;
+using System.Net.Http;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Media.Imaging;
+using System.Windows.Threading;
+
+namespace AxCopilot.Services;
+
+public static class FaviconService
+{
+	private static readonly string CacheDir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "AxCopilot", "favicons");
+
+	private static readonly ConcurrentDictionary<string, BitmapImage?> _memCache = new ConcurrentDictionary<string, BitmapImage>();
+
+	private static readonly HttpClient _http = new HttpClient
+	{
+		Timeout = TimeSpan.FromSeconds(5.0)
+	};
+
+	public static BitmapImage? GetFavicon(string url, Action? onLoaded = null)
+	{
+		string text = ExtractDomain(url);
+		if (string.IsNullOrEmpty(text))
+		{
+			return null;
+		}
+		if (_memCache.TryGetValue(text, out BitmapImage value))
+		{
+			return value;
+		}
+		string text2 = Path.Combine(CacheDir, text + ".png");
+		if (File.Exists(text2))
+		{
+			try
+			{
+				BitmapImage bitmapImage = LoadFromDisk(text2);
+				_memCache[text] = bitmapImage;
+				return bitmapImage;
+			}
+			catch
+			{
+			}
+		}
+		_memCache[text] = null;
+		DownloadAsync(text, text2, onLoaded);
+		return null;
+	}
+
+	private static async Task DownloadAsync(string domain, string diskPath, Action? onLoaded)
+	{
+		try
+		{
+			string faviconUrl = "https://www.google.com/s2/favicons?domain=" + Uri.EscapeDataString(domain) + "&sz=32";
+			byte[] bytes = await _http.GetByteArrayAsync(faviconUrl).ConfigureAwait(continueOnCapturedContext: false);
+			if (bytes.Length < 100)
+			{
+				return;
+			}
+			Directory.CreateDirectory(CacheDir);
+			await File.WriteAllBytesAsync(diskPath, bytes).ConfigureAwait(continueOnCapturedContext: false);
+			Application current = Application.Current;
+			if (current == null)
+			{
+				return;
+			}
+			((DispatcherObject)current).Dispatcher.Invoke((Action)delegate
+			{
+				try
+				{
+					BitmapImage value = LoadFromDisk(diskPath);
+					_memCache[domain] = value;
+					onLoaded?.Invoke();
+				}
+				catch
+				{
+				}
+			});
+		}
+		catch (Exception ex)
+		{
+			Exception ex2 = ex;
+			LogService.Warn("Favicon 다운로드 실패: " + domain + " — " + ex2.Message);
+		}
+	}
+
+	private static BitmapImage LoadFromDisk(string path)
+	{
+		BitmapImage bitmapImage = new BitmapImage();
+		bitmapImage.BeginInit();
+		bitmapImage.UriSource = new Uri(path, UriKind.Absolute);
+		bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
+		bitmapImage.DecodePixelWidth = 32;
+		bitmapImage.EndInit();
+		((Freezable)bitmapImage).Freeze();
+		return bitmapImage;
+	}
+
+	private static string? ExtractDomain(string url)
+	{
+		try
+		{
+			if (!url.StartsWith("http", StringComparison.OrdinalIgnoreCase))
+			{
+				url = "https://" + url;
+			}
+			return new Uri(url).Host.ToLowerInvariant();
+		}
+		catch
+		{
+			return null;
+		}
+	}
+}