From 35e547525528979c274a22ac82983770241ea823 Mon Sep 17 00:00:00 2001
From: 2dust <31833384+2dust@users.noreply.github.com>
Date: Tue, 15 Oct 2024 20:22:26 +0800
Subject: [PATCH] Add system proxy for kde

---
 v2rayN/ServiceLib/Common/Utils.cs             |   2 +-
 v2rayN/ServiceLib/Models/CmdItem.cs           |   2 +-
 .../Common/ProxySettingLinux.cs               | 122 ++++++++++++++----
 3 files changed, 98 insertions(+), 28 deletions(-)

diff --git a/v2rayN/ServiceLib/Common/Utils.cs b/v2rayN/ServiceLib/Common/Utils.cs
index c482d149..ec381d81 100644
--- a/v2rayN/ServiceLib/Common/Utils.cs
+++ b/v2rayN/ServiceLib/Common/Utils.cs
@@ -600,7 +600,7 @@ namespace ServiceLib.Common
             return await GetCliWrapOutput(filePath, arg != null ? new List<string>() { arg } : null);
         }
 
-        private static async Task<string?> GetCliWrapOutput(string filePath, IEnumerable<string>? args)
+        public static async Task<string?> GetCliWrapOutput(string filePath, IEnumerable<string>? args)
         {
             try
             {
diff --git a/v2rayN/ServiceLib/Models/CmdItem.cs b/v2rayN/ServiceLib/Models/CmdItem.cs
index 545c9685..d9c1a4a5 100644
--- a/v2rayN/ServiceLib/Models/CmdItem.cs
+++ b/v2rayN/ServiceLib/Models/CmdItem.cs
@@ -3,6 +3,6 @@
     public class CmdItem
     {
         public string? Cmd { get; set; }
-        public string? Arguments { get; set; }
+        public List<string>? Arguments { get; set; }
     }
 }
\ No newline at end of file
diff --git a/v2rayN/v2rayN.Desktop/Common/ProxySettingLinux.cs b/v2rayN/v2rayN.Desktop/Common/ProxySettingLinux.cs
index f4c81ec1..abde3751 100644
--- a/v2rayN/v2rayN.Desktop/Common/ProxySettingLinux.cs
+++ b/v2rayN/v2rayN.Desktop/Common/ProxySettingLinux.cs
@@ -20,8 +20,10 @@
         {
             foreach (var cmd in lstCmd)
             {
-                if (cmd is null || cmd.Cmd.IsNullOrEmpty() || cmd.Arguments.IsNullOrEmpty())
-                { continue; }
+                if (cmd is null || cmd.Cmd.IsNullOrEmpty() || cmd.Arguments is null)
+                {
+                    continue;
+                }
                 await Task.Delay(10);
                 await Utils.GetCliWrapOutput(cmd.Cmd, cmd.Arguments);
             }
@@ -29,54 +31,122 @@
 
         private static List<CmdItem> GetSetCmds(string host, int port)
         {
-            //TODO KDE     //XDG_CURRENT_DESKTOP
-            List<string> lstType = ["http", "https", "socks", "ftp"];
+            var isKde = IsKde(out var configDir);
+            List<string> lstType = ["", "http", "https", "socks", "ftp"];
             List<CmdItem> lstCmd = [];
 
-            lstCmd.Add(new CmdItem()
+            if (isKde)
             {
-                Cmd = "gsettings",
-                Arguments = "set org.gnome.system.proxy mode manual"
-            });
+                foreach (var type in lstType)
+                {
+                    lstCmd.AddRange(GetSetCmd4Kde(type, host, port, configDir));
+                }
+            }
+            else
+            {
+                foreach (var type in lstType)
+                {
+                    lstCmd.AddRange(GetSetCmd4Gnome(type, host, port));
+                }
+            }
+            return lstCmd;
+        }
 
-            foreach (string type in lstType)
+        private static List<CmdItem> GetUnsetCmds()
+        {
+            var isKde = IsKde(out var configDir);
+            List<CmdItem> lstCmd = [];
+
+            if (isKde)
+            {
+                lstCmd.Add(new CmdItem()
+                {
+                    Cmd = "kwriteconfig5",
+                    Arguments = ["--file", $"{configDir}/kioslaverc", "--group", "Proxy Settings", "--key", "ProxyType", "0"]
+                });
+            }
+            else
             {
-                lstCmd.AddRange(GetSetCmdByType(type, host, port));
+                lstCmd.Add(new CmdItem()
+                {
+                    Cmd = "gsettings",
+                    Arguments = ["set", "org.gnome.system.proxy", "mode", "none"]
+                });
             }
 
             return lstCmd;
         }
 
-        private static List<CmdItem> GetSetCmdByType(string type, string host, int port)
+        private static List<CmdItem> GetSetCmd4Kde(string type, string host, int port, string configDir)
         {
             List<CmdItem> lstCmd = [];
-            lstCmd.Add(new()
-            {
-                Cmd = "gsettings",
-                Arguments = $"set org.gnome.system.proxy.{type} host {host}",
-            });
 
-            lstCmd.Add(new()
+            if (type.IsNullOrEmpty())
+            {
+                lstCmd.Add(new()
+                {
+                    Cmd = "kwriteconfig5",
+                    Arguments = ["--file", $"{configDir}/kioslaverc", "--group", "Proxy Settings", "--key", "ProxyType", "1"]
+                });
+            }
+            else
             {
-                Cmd = "gsettings",
-                Arguments = $"set org.gnome.system.proxy.{type} port {port}",
-            });
+                var type2 = type.Equals("https") ? "http" : type;
+                lstCmd.Add(new CmdItem()
+                {
+                    Cmd = "kwriteconfig5",
+                    Arguments = ["--file", $"{configDir}/kioslaverc", "--group", "Proxy Settings", "--key", $"{type}Proxy", $"{type2}://{host}:{port}"]
+                });
+            }
 
             return lstCmd;
         }
 
-        private static List<CmdItem> GetUnsetCmds()
+        private static List<CmdItem> GetSetCmd4Gnome(string type, string host, int port)
         {
-            //TODO KDE
             List<CmdItem> lstCmd = [];
 
-            lstCmd.Add(new CmdItem()
+            if (type.IsNullOrEmpty())
             {
-                Cmd = "gsettings",
-                Arguments = "set org.gnome.system.proxy mode none"
-            });
+                lstCmd.Add(new()
+                {
+                    Cmd = "gsettings",
+                    Arguments = ["set", "org.gnome.system.proxy", "mode", "manual"]
+                });
+            }
+            else
+            {
+                lstCmd.Add(new()
+                {
+                    Cmd = "gsettings",
+                    Arguments = ["set", $"org.gnome.system.proxy.{type}", "host", host]
+                });
+
+                lstCmd.Add(new()
+                {
+                    Cmd = "gsettings",
+                    Arguments = ["set", $"org.gnome.system.proxy.{type}", "port", $"{port}"]
+                });
+            }
 
             return lstCmd;
         }
+
+        private static bool IsKde(out string configDir)
+        {
+            configDir = "/home";
+            var desktop = Environment.GetEnvironmentVariable("XDG_CURRENT_DESKTOP");
+            var isKde = string.Equals(desktop, "KDE", StringComparison.OrdinalIgnoreCase);
+            if (isKde)
+            {
+                var homeDir = Environment.GetEnvironmentVariable("HOME");
+                if (homeDir != null)
+                {
+                    configDir = Path.Combine(homeDir, ".config");
+                }
+            }
+
+            return isKde;
+        }
     }
 }
\ No newline at end of file