feat: VLESS 支持 pcs 参数

Author: xream

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.21.7",
+  "version": "2.21.8",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and Shadowrocket.",
   "main": "src/main.js",
   "scripts": {

backend/src/core/proxy-utils/parsers/index.js

@@ -741,6 +741,7 @@ function URI_VLESS() {
         proxy['client-fingerprint'] = params.fp;
         proxy.alpn = params.alpn ? params.alpn.split(',') : undefined;
         proxy['skip-cert-verify'] = /(TRUE)|1/i.test(params.allowInsecure);
+        proxy._pcs = getIfPresent(params.pcs);
 
         if (['reality'].includes(params.security)) {
             const opts = {};

backend/src/core/proxy-utils/producers/uri.js

@@ -36,6 +36,10 @@ function vless(proxy) {
     if (proxy['skip-cert-verify']) {
         allowInsecure = `&allowInsecure=1`;
     }
+    let pcs = '';
+    if (proxy._pcs) {
+        pcs = `&pcs=${encodeURIComponent(proxy._pcs)}`;
+    }
     let sni = '';
     if (proxy.sni) {
         sni = `&sni=${encodeURIComponent(proxy.sni)}`;
@@ -119,7 +123,7 @@ function vless(proxy) {
         proxy.port
     }?security=${encodeURIComponent(
         security,
-    )}${vlessTransport}${alpn}${allowInsecure}${sni}${fp}${flow}${sid}${spx}${pbk}${mode}${extra}${pqv}${encryption}#${encodeURIComponent(
+    )}${vlessTransport}${alpn}${allowInsecure}${pcs}${sni}${fp}${flow}${sid}${spx}${pbk}${mode}${extra}${pqv}${encryption}#${encodeURIComponent(
         proxy.name,
     )}`;
 }