fix: 解决 singbox 导入时关于 client-fingerprint 的报错并优化 tls 转换

sub2proxy.js

@@ -53,6 +53,12 @@ function clashToSingbox(node) {
     if (node.sni) tls.server_name = node.sni;
     if (node.hasOwnProperty('skip-cert-verify')) tls.insecure = !!node['skip-cert-verify'];
     if (node.alpn) tls.alpn = node.alpn;
+    if (node['client-fingerprint']) {
+      tls.utls = {
+        enabled: true,
+        fingerprint: node['client-fingerprint']
+      };
+    }
     sb.tls = tls;
   } else if (t === 'vless') {
     sb.type = 'vless';
@@ -109,6 +115,12 @@ function clashToSingbox(node) {
     if (node.sni) tls.server_name = node.sni;
     if (node.hasOwnProperty('skip-cert-verify')) tls.insecure = !!node['skip-cert-verify'];
     if (node.alpn) tls.alpn = node.alpn;
+    if (node['client-fingerprint']) {
+      tls.utls = {
+        enabled: true,
+        fingerprint: node['client-fingerprint']
+      };
+    }
     sb.tls = tls;
   } else if (t === 'vmess') {
     sb.type = 'vmess';
@@ -121,6 +133,12 @@ function clashToSingbox(node) {
       tls.enabled = true;
       if (node.servername) tls.server_name = node.servername;
       if (node.hasOwnProperty('skip-cert-verify')) tls.insecure = !!node['skip-cert-verify'];
+      if (node['client-fingerprint']) {
+        tls.utls = {
+          enabled: true,
+          fingerprint: node['client-fingerprint']
+        };
+      }
     }
     sb.tls = tls;
     
@@ -134,8 +152,32 @@ function clashToSingbox(node) {
     }
   } else {
     sb.type = t;
+    
+    // Process generic TLS conversion if any TLS feature is detected
+    const hasTls = node.tls || node.servername || node.sni || node['client-fingerprint'] || node['skip-cert-verify'];
+    if (hasTls) {
+      const tls = { enabled: true };
+      if (node.servername || node.sni) tls.server_name = node.servername || node.sni;
+      if (node.hasOwnProperty('skip-cert-verify')) tls.insecure = !!node['skip-cert-verify'];
+      if (node.alpn) tls.alpn = node.alpn;
+      if (node['client-fingerprint']) {
+        tls.utls = {
+          enabled: true,
+          fingerprint: node['client-fingerprint']
+        };
+      }
+      sb.tls = tls;
+    }
+
+    // Copy other fields but filter out Clash proprietary/incompatible fields
+    const excludeKeys = [
+      'name', 'port', 'type', 'server', 'tls', 'servername', 'sni', 
+      'skip-cert-verify', 'client-fingerprint', 'alpn', 'udp',
+      'reality-opts', 'ws-opts', 'grpc-opts', 'h2-opts', 'http-opts',
+      'packet-encoding'
+    ];
     for (const k in node) {
-      if (!['name', 'port', 'type', 'server'].includes(k)) {
+      if (!excludeKeys.includes(k)) {
         sb[k] = node[k];
       }
     }