add new menu to update pac file via gfwlist

shadowsocks-csharp/Controller/GfwListUpdater.cs

@@ -16,186 +16,84 @@ namespace Shadowsocks.Controller
     {
         private const string GFWLIST_URL = "https://autoproxy-gfwlist.googlecode.com/svn/trunk/gfwlist.txt";
 
-        private const int EXPIRE_HOURS = 6;
-
         public IWebProxy proxy = null;
 
-        public bool useSystemProxy = true;
-
-        public class GfwListChangedArgs : EventArgs
+        public class GfwListDownloadCompletedArgs : EventArgs
         {
-            public string[] GfwList { get; set; }
+            public string Content;
         }
 
-        public event EventHandler<GfwListChangedArgs> GfwListChanged; 
-
-        private bool running = false;
-        private bool closed = false;
-        private int jobId = 0;
-        DateTime lastUpdateTimeUtc;
-        string lastUpdateMd5;
-
-        private object locker = new object();
+        public event EventHandler<GfwListDownloadCompletedArgs> DownloadCompleted;
 
-        public GfwListUpdater()
-        {
-        }
+        public event ErrorEventHandler Error;
 
-        ~GfwListUpdater()
+        public void Download()
         {
-            Stop();
+            WebClient http = new WebClient();
+            http.Proxy = proxy;
+            http.DownloadStringCompleted += http_DownloadStringCompleted;
+            http.DownloadStringAsync(new Uri(GFWLIST_URL));
         }
 
-        public void Start()
+        protected void ReportError(Exception e)
         {
-            lock (locker)
+            if (Error != null)
             {
-                if (running)
-                    return;
-                running = true;
-                closed = false;
-                jobId++;
-                new Thread(new ParameterizedThreadStart(UpdateJob)).Start(jobId);
+                Error(this, new ErrorEventArgs(e));
             }
         }
 
-        public void Stop()
-        {
-            lock(locker)
-            {
-                closed = true;
-                running = false;
-                jobId++;
-            }
-        }
-
-        public void ScheduleUpdateTime(int delaySeconds)
-        {
-            lock(locker)
-            {
-                lastUpdateTimeUtc = DateTime.UtcNow.AddHours(-1 * EXPIRE_HOURS).AddSeconds(delaySeconds);
-            }
-        }
-
-        private string DownloadGfwListFile()
+        private void http_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
         {
             try
             {
-                WebClient http = new WebClient();
-                http.Proxy = useSystemProxy ? WebRequest.GetSystemWebProxy() : proxy;
-                return http.DownloadString(new Uri(GFWLIST_URL));
+                string response = e.Result;
+                if (DownloadCompleted != null)
+                {
+                    DownloadCompleted(this, new GfwListDownloadCompletedArgs
+                    {
+                        Content = response
+                    });
+                }
             }
             catch (Exception ex)
             {
-                Console.WriteLine(ex.ToString());
+                ReportError(ex);
             }
-            return null;
         }
 
-        private bool IsExpire()
+        public class Parser
         {
-            lock (locker)
-            {
-                TimeSpan ts = DateTime.UtcNow - lastUpdateTimeUtc;
-                bool expire = ((int)ts.TotalHours) >= EXPIRE_HOURS;
-                if (expire)
-                    lastUpdateTimeUtc = DateTime.UtcNow;
-                return expire;
-            }
-        }
+            private string _Content;
 
-        private bool IsJobStop(int currentJobId)
-        {
-            lock (locker)
+            public string Content
             {
-                if (!running || closed || currentJobId != this.jobId)
-                    return true;
+                get { return _Content; }
             }
-            return false;
-        }
 
-        private bool IsGfwListChanged(string content)
-        {
-            byte[] inputBytes = Encoding.UTF8.GetBytes(content);
-            byte[] md5Bytes = MD5.Create().ComputeHash(inputBytes);
-            string md5 = "";
-            for (int i = 0; i < md5Bytes.Length; i++)
-                md5 += md5Bytes[i].ToString("x").PadLeft(2, '0');
-            if (md5 == lastUpdateMd5)
-                return false;
-            lastUpdateMd5 = md5;
-            return true;
-        }
-
-        private void ParseGfwList(string response)
-        {
-            if (!IsGfwListChanged(response))
-                return;
-            if (GfwListChanged != null)
+            public Parser(string response)
             {
-                try
-                {
-                    Parser parser = new Parser(response);
-                    GfwListChangedArgs args = new GfwListChangedArgs
-                    {
-                        GfwList = parser.GetReducedDomains()
-                    };
-                    GfwListChanged(this, args);
-                }
-                catch(Exception ex)
-                {
-                    Console.WriteLine(ex.ToString());
-                }
+                byte[] bytes = Convert.FromBase64String(response);
+                this._Content = Encoding.ASCII.GetString(bytes);
             }
-        }
 
-        private void UpdateJob(object state)
-        {
-            int currentJobId = (int)state;
-            int retryTimes = 3;
-            while (!IsJobStop(currentJobId))
+            public string[] GetValidLines()
             {
-                if (IsExpire())
+                string[] lines = Content.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries);
+                List<string> valid_lines = new List<string>(lines.Length);
+                foreach (string line in lines)
                 {
-                    string response = DownloadGfwListFile();
-                    if (response != null)
-                    {
-                        ParseGfwList(response);
-                    }
-                    else if (retryTimes > 0)
-                    {
-                        ScheduleUpdateTime(30); /*Delay 30 seconds to retry*/
-                        retryTimes--;
-                    }
-                    else
-                    {
-                        retryTimes = 3; /* reset retry times, and wait next update time. */
-                    }
+                    if (line.StartsWith("!") || line.StartsWith("["))
+                        continue;
+                    valid_lines.Add(line);
                 }
-
-                Thread.Sleep(1000);
-            }
-        }
-
-        class Parser
-        {
-            public string Content { get; private set; }
-
-            public Parser(string response)
-            {
-                byte[] bytes = Convert.FromBase64String(response);
-                this.Content = Encoding.ASCII.GetString(bytes);
+                return valid_lines.ToArray();
             }
 
-            public string[] GetLines()
-            {
-                return Content.Split(new char[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries); 
-            }
-            
             /* refer https://github.com/clowwindy/gfwlist2pac/blob/master/gfwlist2pac/main.py */
             public string[] GetDomains()
             {
-                List<string> lines = new List<string>(GetLines());
+                List<string> lines = new List<string>(GetValidLines());
                 lines.AddRange(GetBuildIn());
                 List<string> domains = new List<string>(lines.Count);
                 for (int i = 0; i < lines.Count; i++)
@@ -222,7 +120,7 @@ namespace Shadowsocks.Controller
                         continue;
                     else if (line.StartsWith("@"))
                         continue; /*ignore white list*/
-                    int pos = line.IndexOfAny(new char[] { '/'});
+                    int pos = line.IndexOfAny(new char[] { '/' });
                     if (pos >= 0)
                         line = line.Substring(0, pos);
                     if (line.Length > 0)
@@ -238,7 +136,7 @@ namespace Shadowsocks.Controller
                 List<string> new_domains = new List<string>(domains.Length);
                 TldIndex tldIndex = GetTldIndex();
 
-                foreach(string domain in domains)
+                foreach (string domain in domains)
                 {
                     string last_root_domain = null;
                     int pos;
@@ -246,7 +144,7 @@ namespace Shadowsocks.Controller
                     last_root_domain = domain.Substring(pos + 1);
                     if (!tldIndex.Contains(last_root_domain))
                         continue;
-                    while(pos > 0)
+                    while (pos > 0)
                     {
                         pos = domain.LastIndexOf('.', pos - 1);
                         last_root_domain = domain.Substring(pos + 1);
@@ -266,7 +164,7 @@ namespace Shadowsocks.Controller
             {
                 List<string> list = new List<string>(src.Length);
                 Dictionary<string, string> dic = new Dictionary<string, string>(src.Length);
-                foreach(string s in src)
+                foreach (string s in src)
                 {
                     if (!dic.ContainsKey(s))
                     {
@@ -281,9 +179,9 @@ namespace Shadowsocks.Controller
             {
                 string[] tlds = null;
                 byte[] pacGZ = Resources.tld_txt;
-                byte[] buffer = new byte[1024]; 
+                byte[] buffer = new byte[1024];
                 int n;
-                using(MemoryStream sb = new MemoryStream())
+                using (MemoryStream sb = new MemoryStream())
                 {
                     using (GZipStream input = new GZipStream(new MemoryStream(pacGZ),
                         CompressionMode.Decompress, false))
@@ -332,7 +230,7 @@ namespace Shadowsocks.Controller
                 return buildin;
             }
 
-            class TldIndex
+            public class TldIndex
             {
                 List<string> patterns = new List<string>();
                 IDictionary<string, string> dic = new Dictionary<string, string>();
@@ -355,7 +253,7 @@ namespace Shadowsocks.Controller
                 {
                     if (dic.ContainsKey(tld))
                         return true;
-                    foreach(string pattern in patterns)
+                    foreach (string pattern in patterns)
                     {
                         if (Regex.IsMatch(tld, pattern))
                             return true;
@@ -365,7 +263,7 @@ namespace Shadowsocks.Controller
 
             }
 
-           
+
         }
 
     }

shadowsocks-csharp/Controller/PACServer.cs

@@ -1,6 +1,7 @@
 using Shadowsocks.Model;
 using Shadowsocks.Properties;
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
@@ -21,10 +22,12 @@ namespace Shadowsocks.Controller
         Socket _listener;
         FileSystemWatcher watcher;
 
-        GfwListUpdater gfwlistUpdater;
-
         public event EventHandler PACFileChanged;
 
+        public event EventHandler UpdatePACFromGFWListCompleted;
+
+        public event ErrorEventHandler UpdatePACFromGFWListError;
+
         public void Start(Configuration configuration)
         {
             try
@@ -51,7 +54,6 @@ namespace Shadowsocks.Controller
                     _listener);
 
                 WatchPacFile();
-                StartGfwListUpdater();
             }
             catch (SocketException)
             {
@@ -62,11 +64,6 @@ namespace Shadowsocks.Controller
 
         public void Stop()
         {
-            if (gfwlistUpdater != null)
-            {
-                gfwlistUpdater.Stop();
-                gfwlistUpdater = null;
-            }
             if (_listener != null)
             {
                 _listener.Close();
@@ -146,7 +143,7 @@ namespace Shadowsocks.Controller
                 using (GZipStream input = new GZipStream(new MemoryStream(pacGZ),
                     CompressionMode.Decompress, false))
                 {
-                    while((n = input.Read(buffer, 0, buffer.Length)) > 0)
+                    while ((n = input.Read(buffer, 0, buffer.Length)) > 0)
                     {
                         sb.Write(buffer, 0, n);
                     }
@@ -252,72 +249,103 @@ Connection: Close
             return proxy;
         }
 
-        private void StartGfwListUpdater()
+        public void UpdatePACFromGFWList()
+        {
+            GfwListUpdater gfwlist = new GfwListUpdater();
+            gfwlist.DownloadCompleted += gfwlist_DownloadCompleted;
+            gfwlist.Error += gfwlist_Error;
+            gfwlist.proxy = new WebProxy(IPAddress.Loopback.ToString(), 8123); /* use polipo proxy*/
+            gfwlist.Download();
+        }
+
+        private void gfwlist_DownloadCompleted(object sender, GfwListUpdater.GfwListDownloadCompletedArgs e)
         {
-            if (gfwlistUpdater != null)
+            GfwListUpdater.Parser parser = new GfwListUpdater.Parser(e.Content);
+            string[] lines = parser.GetValidLines();
+            StringBuilder rules = new StringBuilder(lines.Length * 16);
+            SerializeRules(lines, rules);
+            string abpContent = GetAbpContent();
+            abpContent = abpContent.Replace("__RULES__", rules.ToString());
+            File.WriteAllText(PAC_FILE, abpContent);
+            if (UpdatePACFromGFWListCompleted != null)
             {
-                gfwlistUpdater.Stop();
-                gfwlistUpdater = null;
+                UpdatePACFromGFWListCompleted(this, new EventArgs());
             }
+        }
 
-            gfwlistUpdater = new GfwListUpdater();
-            gfwlistUpdater.GfwListChanged += gfwlistUpdater_GfwListChanged;
-            IPEndPoint localEndPoint = (IPEndPoint)_listener.LocalEndPoint;
-            gfwlistUpdater.proxy = new WebProxy(localEndPoint.Address.ToString(), 8123);
-            gfwlistUpdater.useSystemProxy = false;
-            /* Delay 30 seconds, wait proxy start up. */
-            gfwlistUpdater.ScheduleUpdateTime(30);
-            gfwlistUpdater.Start();
-
+        private void gfwlist_Error(object sender, ErrorEventArgs e)
+        {
+            if (UpdatePACFromGFWListError != null)
+            {
+                UpdatePACFromGFWListError(this, e);
+            }
         }
 
-        private void gfwlistUpdater_GfwListChanged(object sender, GfwListUpdater.GfwListChangedArgs e)
+        private string GetAbpContent()
         {
-            if (e.GfwList == null || e.GfwList.Length == 0) return;
-            string pacfile = TouchPACFile();
-            string pacContent = File.ReadAllText(pacfile);
-            string oldDomains;
-            if (ClearPacContent(ref pacContent, out oldDomains))
+            byte[] abpGZ = Resources.abp_js;
+            byte[] buffer = new byte[1024];  // builtin pac gzip size: maximum 100K
+            int n;
+            using (MemoryStream sb = new MemoryStream())
             {
-                StringBuilder sb = new StringBuilder();
-                sb.AppendLine("{");
-                for (int i = 0; i < e.GfwList.Length; i++)
-                {
-                    if (i == e.GfwList.Length - 1)
-                        sb.AppendFormat("\t\"{0}\": {1}\r\n", e.GfwList[i], 1);
-                    else
-                        sb.AppendFormat("\t\"{0}\": {1},\r\n", e.GfwList[i], 1);
-                }
-                sb.Append("}");
-                string newDomains = sb.ToString();
-                if (!string.Equals(oldDomains, newDomains))
+                using (GZipStream input = new GZipStream(new MemoryStream(abpGZ),
+                    CompressionMode.Decompress, false))
                 {
-                    pacContent = pacContent.Replace("__LAST_MODIFIED__", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
-                    pacContent = pacContent.Replace("__DOMAINS__", newDomains);
-                    File.WriteAllText(pacfile, pacContent);
-                    Console.WriteLine("gfwlist updated - " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
+                    while ((n = input.Read(buffer, 0, buffer.Length)) > 0)
+                    {
+                        sb.Write(buffer, 0, n);
+                    }
                 }
+                return System.Text.Encoding.UTF8.GetString(sb.ToArray());
             }
-            else
+        }
+
+        private static void SerializeRules(string[] rules, StringBuilder builder)
+        {
+            builder.Append("[\n");
+
+            bool first = true;
+            foreach (string rule in rules)
             {
-                Console.WriteLine("Broken pac file.");
+                if (!first)
+                    builder.Append(",\n");
+
+                SerializeString(rule, builder);
+
+                first = false;
             }
+
+            builder.Append("\n]");
         }
 
-        private bool ClearPacContent(ref string pacContent, out string oldDomains)
+        private static void SerializeString(string aString, StringBuilder builder)
         {
-            Regex regex = new Regex("(/\\*.*?\\*/\\s*)?var\\s+domains\\s*=\\s*(\\{(\\s*\"[^\"]*\"\\s*:\\s*\\d+\\s*,)*\\s*(\\s*\"[^\"]*\"\\s*:\\s*\\d+\\s*)\\})", RegexOptions.Singleline);
-            Match m = regex.Match(pacContent);
-            if (m.Success)
+            builder.Append("\t\"");
+
+            char[] charArray = aString.ToCharArray();
+            for (int i = 0; i < charArray.Length; i++)
             {
-                oldDomains = m.Result("$2");
-                pacContent = regex.Replace(pacContent, "/* Last Modified: __LAST_MODIFIED__ */\r\nvar domains = __DOMAINS__");
-                return true;
+                char c = charArray[i];
+                if (c == '"')
+                    builder.Append("\\\"");
+                else if (c == '\\')
+                    builder.Append("\\\\");
+                else if (c == '\b')
+                    builder.Append("\\b");
+                else if (c == '\f')
+                    builder.Append("\\f");
+                else if (c == '\n')
+                    builder.Append("\\n");
+                else if (c == '\r')
+                    builder.Append("\\r");
+                else if (c == '\t')
+                    builder.Append("\\t");
+                else
+                    builder.Append(c);
             }
-            oldDomains = null;
-            return false;
-        }
 
+            builder.Append("\"");
+        }
 
     }
 }

shadowsocks-csharp/Controller/ShadowsocksController.cs

@@ -38,6 +38,10 @@ namespace Shadowsocks.Controller
         // when user clicked Edit PAC, and PAC file has already created
         public event EventHandler<PathEventArgs> PACFileReadyToOpen;
 
+        public event EventHandler UpdatePACFromGFWListCompleted;
+
+        public event ErrorEventHandler UpdatePACFromGFWListError;
+
         public event ErrorEventHandler Errored;
 
         public ShadowsocksController()
@@ -156,6 +160,14 @@ namespace Shadowsocks.Controller
             return "ss://" + base64;
         }
 
+        public void UpdatePACFromGFWList()
+        {
+            if (pacServer != null)
+            {
+                pacServer.UpdatePACFromGFWList();
+            }
+        }
+
         protected void Reload()
         {
             // some logic in configuration updated the config when saving, we need to read it again
@@ -169,6 +181,8 @@ namespace Shadowsocks.Controller
             {
                 pacServer = new PACServer();
                 pacServer.PACFileChanged += pacServer_PACFileChanged;
+                pacServer.UpdatePACFromGFWListCompleted += pacServer_UpdatePACFromGFWListCompleted;
+                pacServer.UpdatePACFromGFWListError += pacServer_UpdatePACFromGFWListError;
             }
 
             pacServer.Stop();
@@ -247,6 +261,18 @@ namespace Shadowsocks.Controller
             UpdateSystemProxy();
         }
 
+        private void pacServer_UpdatePACFromGFWListCompleted(object sender, EventArgs e)
+        {
+            if (UpdatePACFromGFWListCompleted != null)
+                UpdatePACFromGFWListCompleted(this, e);
+        }
+
+        private void pacServer_UpdatePACFromGFWListError(object sender, ErrorEventArgs e)
+        {
+            if (UpdatePACFromGFWListError != null)
+                UpdatePACFromGFWListError(this, e);
+        }
+
         private void StartReleasingMemory()
         {
             _ramThread = new Thread(new ThreadStart(ReleaseMemory));

shadowsocks-csharp/Data/cn.txt

@@ -39,3 +39,6 @@ Shadowsocks is here=Shadowsocks 在这里
 You can turn on/off Shadowsocks in the context menu=可以在右键菜单中开关 Shadowsocks
 Enabled=已启用代理
 Disabled=已禁用代理
+Update PAC File via gfwlist...=基于 gfwlist 更新 PAC 文件...
+Update PAC file failed=更新 PAC 文件失败
+Update PAC file succeed=更新 PAC 文件成功

shadowsocks-csharp/Properties/Resources.Designer.cs

@@ -1,10 +1,10 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
-//     此代码由工具生成。
-//     运行时版本:4.0.30319.34014
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.18444
 //
-//     对此文件的更改可能会导致不正确的行为，并且如果
-//     重新生成代码，这些更改将会丢失。
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
 // </auto-generated>
 //------------------------------------------------------------------------------
 
@@ -13,12 +13,12 @@ namespace Shadowsocks.Properties {
     
     
     /// <summary>
-    ///   一个强类型的资源类，用于查找本地化的字符串等。
+    ///   A strongly-typed resource class, for looking up localized strings, etc.
     /// </summary>
-    // 此类是由 StronglyTypedResourceBuilder
-    // 类通过类似于 ResGen 或 Visual Studio 的工具自动生成的。
-    // 若要添加或移除成员，请编辑 .ResX 文件，然后重新运行 ResGen
-    // (以 /str 作为命令选项)，或重新生成 VS 项目。
+    // This class was auto-generated by the StronglyTypedResourceBuilder
+    // class via a tool like ResGen or Visual Studio.
+    // To add or remove a member, edit your .ResX file then rerun ResGen
+    // with the /str option, or rebuild your VS project.
     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
@@ -33,7 +33,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   返回此类使用的缓存的 ResourceManager 实例。
+        ///   Returns the cached ResourceManager instance used by this class.
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         internal static global::System.Resources.ResourceManager ResourceManager {
@@ -47,8 +47,8 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   使用此强类型资源类，为所有资源查找
-        ///   重写当前线程的 CurrentUICulture 属性。
+        ///   Overrides the current thread's CurrentUICulture property for all
+        ///   resource lookups using this strongly typed resource class.
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         internal static global::System.Globalization.CultureInfo Culture {
@@ -61,7 +61,17 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Byte[] 类型的本地化资源。
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] abp_js {
+            get {
+                object obj = ResourceManager.GetObject("abp_js", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
         /// </summary>
         internal static byte[] builtin_txt {
             get {
@@ -71,7 +81,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找类似 Shadowsocks=Shadowsocks
+        ///   Looks up a localized string similar to Shadowsocks=Shadowsocks
         ///Enable=启用代理
         ///Mode=代理模式
         ///PAC=PAC 模式
@@ -101,7 +111,7 @@ namespace Shadowsocks.Properties {
         ///QRCode=二维码
         ///Shadowsocks Error: {0}=Shadowsocks 错误: {0}
         ///Port already in use=端口已被占用
-        ///Il [字符串的其余部分被截断]&quot;; 的本地化字符串。
+        ///Il [rest of string was truncated]&quot;;.
         /// </summary>
         internal static string cn {
             get {
@@ -110,7 +120,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Byte[] 类型的本地化资源。
+        ///   Looks up a localized resource of type System.Byte[].
         /// </summary>
         internal static byte[] libsscrypto_dll {
             get {
@@ -120,7 +130,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找类似 proxyAddress = &quot;__POLIPO_BIND_IP__&quot;
+        ///   Looks up a localized string similar to proxyAddress = &quot;__POLIPO_BIND_IP__&quot;
         ///
         ///socksParentProxy = &quot;127.0.0.1:__SOCKS_PORT__&quot;
         ///socksProxyType = socks5
@@ -128,7 +138,7 @@ namespace Shadowsocks.Properties {
         ///localDocumentRoot = &quot;&quot;
         ///
         ///allowedPorts = 1-65535
-        ///tunnelAllowedPorts = 1-65535 的本地化字符串。
+        ///tunnelAllowedPorts = 1-65535.
         /// </summary>
         internal static string polipo_config {
             get {
@@ -137,7 +147,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Byte[] 类型的本地化资源。
+        ///   Looks up a localized resource of type System.Byte[].
         /// </summary>
         internal static byte[] polipo_exe {
             get {
@@ -147,7 +157,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Byte[] 类型的本地化资源。
+        ///   Looks up a localized resource of type System.Byte[].
         /// </summary>
         internal static byte[] proxy_pac_txt {
             get {
@@ -157,7 +167,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Drawing.Bitmap 类型的本地化资源。
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
         /// </summary>
         internal static System.Drawing.Bitmap ss16 {
             get {
@@ -167,7 +177,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Drawing.Bitmap 类型的本地化资源。
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
         /// </summary>
         internal static System.Drawing.Bitmap ss20 {
             get {
@@ -177,7 +187,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Drawing.Bitmap 类型的本地化资源。
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
         /// </summary>
         internal static System.Drawing.Bitmap ss24 {
             get {
@@ -187,7 +197,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Drawing.Bitmap 类型的本地化资源。
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
         /// </summary>
         internal static System.Drawing.Bitmap ssw128 {
             get {
@@ -197,7 +207,7 @@ namespace Shadowsocks.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Byte[] 类型的本地化资源。
+        ///   Looks up a localized resource of type System.Byte[].
         /// </summary>
         internal static byte[] tld_txt {
             get {

shadowsocks-csharp/Properties/Resources.resx

@@ -118,6 +118,9 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="abp_js" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Data\abp.js.gz;System.Byte[], mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
   <data name="builtin_txt" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Data\builtin.txt.gz;System.Byte[], mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>

shadowsocks-csharp/View/MenuViewController.cs

@@ -45,6 +45,8 @@ namespace Shadowsocks.View
             controller.ShareOverLANStatusChanged += controller_ShareOverLANStatusChanged;
             controller.EnableGlobalChanged += controller_EnableGlobalChanged;
             controller.Errored += controller_Errored;
+            controller.UpdatePACFromGFWListCompleted += controller_UpdatePACFromGFWListCompleted;
+            controller.UpdatePACFromGFWListError += controller_UpdatePACFromGFWListError;
 
             _notifyIcon = new NotifyIcon();
             UpdateTrayIcon();
@@ -138,6 +140,7 @@ namespace Shadowsocks.View
                 this.AutoStartupItem = CreateMenuItem("Start on Boot", new EventHandler(this.AutoStartupItem_Click)),
                 this.ShareOverLANItem = CreateMenuItem("Share over LAN", new EventHandler(this.ShareOverLANItem_Click)),
                 CreateMenuItem("Edit PAC File...", new EventHandler(this.EditPACFileItem_Click)),
+                CreateMenuItem("Update PAC File via gfwlist...", new EventHandler(this.UpdatePACFromGFWListItem_Click)),
                 new MenuItem("-"),
                 CreateMenuItem("Show QRCode...", new EventHandler(this.QRCodeItem_Click)),
                 CreateMenuItem("Show Logs...", new EventHandler(this.ShowLogItem_Click)),
@@ -176,6 +179,23 @@ namespace Shadowsocks.View
             System.Diagnostics.Process.Start("explorer.exe", argument);
         }
 
+        void controller_UpdatePACFromGFWListError(object sender, System.IO.ErrorEventArgs e)
+        {
+            _notifyIcon.BalloonTipTitle = I18N.GetString("Update PAC File via gfwlist...");
+            _notifyIcon.BalloonTipText = I18N.GetString("Update PAC file failed");
+            _notifyIcon.BalloonTipIcon = ToolTipIcon.Info;
+            _notifyIcon.ShowBalloonTip(5000);
+            Logging.LogUsefulException(e.GetException());
+        }
+
+        void controller_UpdatePACFromGFWListCompleted(object sender, EventArgs e)
+        {
+            _notifyIcon.BalloonTipTitle = I18N.GetString("Update PAC File via gfwlist...");
+            _notifyIcon.BalloonTipText = I18N.GetString("Update PAC file succeed");
+            _notifyIcon.BalloonTipIcon = ToolTipIcon.Info;
+            _notifyIcon.ShowBalloonTip(5000);
+        }
+
         void updateChecker_NewVersionFound(object sender, EventArgs e)
         {
             _notifyIcon.BalloonTipTitle = String.Format(I18N.GetString("Shadowsocks {0} Update Found"), updateChecker.LatestVersionNumber);
@@ -311,6 +331,15 @@ namespace Shadowsocks.View
             controller.TouchPACFile();
         }
 
+        private void UpdatePACFromGFWListItem_Click(object sender, EventArgs e)
+        {
+            _notifyIcon.BalloonTipTitle = I18N.GetString("Shadowsocks") + " " + UpdateChecker.Version;
+            _notifyIcon.BalloonTipText = I18N.GetString("Update PAC File via gfwlist...");
+            _notifyIcon.BalloonTipIcon = ToolTipIcon.Info;
+            _notifyIcon.ShowBalloonTip(5000);
+            controller.UpdatePACFromGFWList();
+        }
+
         private void AServerItem_Click(object sender, EventArgs e)
         {
             MenuItem item = (MenuItem)sender;

shadowsocks-csharp/shadowsocks-csharp.csproj

@@ -143,6 +143,7 @@
     <None Include="app.manifest">
       <SubType>Designer</SubType>
     </None>
+    <None Include="Data\abp.js.gz" />
     <None Include="Data\builtin.txt.gz" />
     <None Include="Data\libsscrypto.dll.gz" />
     <None Include="Data\polipo.exe.gz" />