Add custom sing-box rule-set support

Author: 2dust

v2rayN/v2rayN/Common/Utils.cs

@@ -57,11 +57,14 @@ public static string GetEmbedText(string res)
         /// 取得存储资源
         /// </summary>
         /// <returns></returns>
-        public static string? LoadResource(string res)
+        public static string? LoadResource(string? res)
         {
             try
             {
-                if (!File.Exists(res)) return null;
+                if (!File.Exists(res))
+                {
+                    return null;
+                }
                 return File.ReadAllText(res);
             }
             catch (Exception ex)

v2rayN/v2rayN/Handler/CoreConfigSingbox.cs

@@ -895,18 +895,45 @@ private int ConvertGeo2Ruleset(SingboxConfig singboxConfig)
                 ruleSets.AddRange(dnsRule.rule_set);
             }
 
+            //load custom ruleset file
+            List<Ruleset4Sbox> customRulesets = [];
+            if (_config.routingBasicItem.enableRoutingAdvanced)
+            {
+                var routing = ConfigHandler.GetDefaultRouting(_config);
+                if (!Utils.IsNullOrEmpty(routing.customRulesetPath4Singbox))
+                {
+                    var result = Utils.LoadResource(routing.customRulesetPath4Singbox);
+                    if (!Utils.IsNullOrEmpty(result))
+                    {
+                        customRulesets = (JsonUtils.Deserialize<List<Ruleset4Sbox>>(result) ?? [])
+                            .Where(t => t.tag != null)
+                            .Where(t => t.type != null)
+                            .Where(t => t.format != null)
+                            .ToList();
+                    }
+                }
+            }
+
             //Add ruleset srs
             singboxConfig.route.rule_set = [];
             foreach (var item in new HashSet<string>(ruleSets))
             {
-                singboxConfig.route.rule_set.Add(new()
+                var customRuleset = customRulesets.FirstOrDefault(t => t.tag != null && t.tag.Equals(item));
+                if (customRuleset != null)
                 {
-                    type = "remote",
-                    format = "binary",
-                    tag = item,
-                    url = string.Format(Global.SingboxRulesetUrl, item.StartsWith(geosite) ? geosite : geoip, item),
-                    download_detour = Global.ProxyTag
-                });
+                    singboxConfig.route.rule_set.Add(customRuleset);
+                }
+                else
+                {
+                    singboxConfig.route.rule_set.Add(new()
+                    {
+                        type = "remote",
+                        format = "binary",
+                        tag = item,
+                        url = string.Format(Global.SingboxRulesetUrl, item.StartsWith(geosite) ? geosite : geoip, item),
+                        download_detour = Global.ProxyTag
+                    });
+                }
             }
 
             return 0;

v2rayN/v2rayN/Models/ConfigItems.cs

@@ -182,16 +182,11 @@ public class SpeedTestItem
     [Serializable]
     public class RoutingBasicItem
     {
-        /// <summary>
-        /// 域名解析策略
-        /// </summary>
         public string domainStrategy { get; set; }
-
         public string domainStrategy4Singbox { get; set; }
-
         public string domainMatcher { get; set; }
         public string routingIndexId { get; set; }
-        public bool enableRoutingAdvanced { get; set; }
+        public bool enableRoutingAdvanced { get; set; }        
     }
 
     [Serializable]

v2rayN/v2rayN/Models/RoutingItem.cs

@@ -15,6 +15,7 @@ public class RoutingItem
         public bool enabled { get; set; } = true;
         public bool locked { get; set; }
         public string customIcon { get; set; }
+        public string customRulesetPath4Singbox { get; set; }
         public string domainStrategy { get; set; }
         public string domainStrategy4Singbox { get; set; }
         public int sort { get; set; }

v2rayN/v2rayN/Models/SingboxConfig.cs

@@ -238,7 +238,9 @@ public class Ruleset4Sbox
         public string? tag { get; set; }
         public string? type { get; set; }
         public string? format { get; set; }
+        public string? path { get; set; }
         public string? url { get; set; }
         public string? download_detour { get; set; }
+        public string? update_interval { get; set; }  
     }
 }