From e9ea621b93fbb58d9edfca8375918791637bbd52 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 30 Dec 2020 20:59:04 +0800
Subject: +init

---
 .../Impostor.Patcher.Shared/Configuration.cs       | 65 ++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 Impostor-dev/src/Impostor.Patcher/Impostor.Patcher.Shared/Configuration.cs

(limited to 'Impostor-dev/src/Impostor.Patcher/Impostor.Patcher.Shared/Configuration.cs')

diff --git a/Impostor-dev/src/Impostor.Patcher/Impostor.Patcher.Shared/Configuration.cs b/Impostor-dev/src/Impostor.Patcher/Impostor.Patcher.Shared/Configuration.cs
new file mode 100644
index 0000000..b256156
--- /dev/null
+++ b/Impostor-dev/src/Impostor.Patcher/Impostor.Patcher.Shared/Configuration.cs
@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace Impostor.Patcher.Shared
+{
+    public class Configuration
+    {
+        private const string FileRecentIps = @"recent_ips.txt";
+        private const int MaxRecentIps = 5;
+
+        private readonly string _baseDir;
+        private readonly string _recentIpsPath;
+        private readonly List<string> _recentIps;
+
+        public Configuration()
+        {
+            var appData = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData));
+
+            _baseDir = Path.Combine(appData, "Impostor");
+            _recentIpsPath = Path.Combine(_baseDir, FileRecentIps);
+            _recentIps = new List<string>();
+        }
+
+        public IReadOnlyList<string> RecentIps => _recentIps;
+
+        public void Load()
+        {
+            if (File.Exists(_recentIpsPath))
+            {
+                _recentIps.AddRange(File.ReadAllLines(_recentIpsPath));
+            }
+        }
+
+        public void Save()
+        {
+            Directory.CreateDirectory(_baseDir);
+
+            if (!Directory.Exists(_baseDir))
+            {
+                return;
+            }
+
+            if (_recentIps.Count > 0)
+            {
+                File.WriteAllLines(_recentIpsPath, _recentIps);
+            }
+        }
+
+        public void AddIp(string ip)
+        {
+            if (_recentIps.Contains(ip))
+            {
+                _recentIps.Remove(ip);
+            }
+
+            _recentIps.Insert(0, ip);
+
+            if (_recentIps.Count > MaxRecentIps)
+            {
+                _recentIps.RemoveAt(MaxRecentIps);
+            }
+        }
+    }
+}
\ No newline at end of file
-- 
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