feat: VMess 支持 kcp/quic(正确处理 type, host, path, fp, alpn, tls等参数)

Author: xream

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.19.52",
+  "version": "2.19.54",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and Shadowrocket.",
   "main": "src/main.js",
   "scripts": {

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

@@ -439,7 +439,16 @@ function URI_VMess() {
                 type: 'vmess',
                 server,
                 port,
-                cipher: getIfPresent(params.scy, 'auto'),
+                // https://github.com/2dust/v2rayN/wiki/Description-of-VMess-share-link
+                // https://github.com/XTLS/Xray-core/issues/91
+                cipher: [
+                    'auto',
+                    'aes-128-gcm',
+                    'chacha20-poly1305',
+                    'none',
+                ].includes(params.scy)
+                    ? params.scy
+                    : 'auto',
                 uuid: params.id,
                 alterId: parseInt(
                     getIfPresent(params.aid ?? params.alterId, 0),
@@ -473,8 +482,8 @@ function URI_VMess() {
                 ['http'].includes(params.type)
             ) {
                 proxy.network = 'http';
-            } else if (['grpc'].includes(params.net)) {
-                proxy.network = 'grpc';
+            } else if (['grpc', 'kcp', 'quic'].includes(params.net)) {
+                proxy.network = params.net;
             } else if (
                 params.net === 'httpupgrade' ||
                 proxy.network === 'httpupgrade'
@@ -524,13 +533,28 @@ function URI_VMess() {
                     }
                 }
                 // 传输层应该有配置, 暂时不考虑兼容不给配置的节点
-                if (transportPath || transportHost) {
+                if (
+                    transportPath ||
+                    transportHost ||
+                    ['kcp', 'quic'].includes(proxy.network)
+                ) {
                     if (['grpc'].includes(proxy.network)) {
                         proxy[`${proxy.network}-opts`] = {
                             'grpc-service-name': getIfNotBlank(transportPath),
                             '_grpc-type': getIfNotBlank(params.type),
                             '_grpc-authority': getIfNotBlank(params.authority),
                         };
+                    } else if (['kcp', 'quic'].includes(proxy.network)) {
+                        proxy[`${proxy.network}-opts`] = {
+                            [`_${proxy.network}-type`]: getIfNotBlank(
+                                params.type,
+                            ),
+                            [`_${proxy.network}-host`]: getIfNotBlank(
+                                getIfNotBlank(transportHost),
+                            ),
+                            [`_${proxy.network}-path`]:
+                                getIfNotBlank(transportPath),
+                        };
                     } else {
                         const opts = {
                             path: getIfNotBlank(transportPath),
@@ -546,6 +570,12 @@ function URI_VMess() {
                     delete proxy.network;
                 }
             }
+
+            proxy['client-fingerprint'] = params.fp;
+            proxy.alpn = params.alpn ? params.alpn.split(',') : undefined;
+            // 然而 wiki 和 app 实测中都没有字段表示这个
+            // proxy['skip-cert-verify'] = /(TRUE)|1/i.test(params.allowInsecure);
+
             return proxy;
         }
     };

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

@@ -119,12 +119,17 @@ export default function URI_Producer() {
                     v: '2',
                     ps: proxy.name,
                     add: proxy.server,
-                    port: proxy.port,
+                    port: `${proxy.port}`,
                     id: proxy.uuid,
-                    type,
-                    aid: proxy.alterId || 0,
+                    aid: `${proxy.alterId || 0}`,
+                    scy: proxy.cipher,
                     net,
+                    type,
                     tls: proxy.tls ? 'tls' : '',
+                    alpn: Array.isArray(proxy.alpn)
+                        ? proxy.alpn.join(',')
+                        : proxy.alpn,
+                    fp: proxy['client-fingerprint'],
                 };
                 if (proxy.tls && proxy.sni) {
                     result.sni = proxy.sni;
@@ -135,16 +140,7 @@ export default function URI_Producer() {
                         proxy[`${proxy.network}-opts`]?.path;
                     let vmessTransportHost =
                         proxy[`${proxy.network}-opts`]?.headers?.Host;
-                    if (vmessTransportPath) {
-                        result.path = Array.isArray(vmessTransportPath)
-                            ? vmessTransportPath[0]
-                            : vmessTransportPath;
-                    }
-                    if (vmessTransportHost) {
-                        result.host = Array.isArray(vmessTransportHost)
-                            ? vmessTransportHost[0]
-                            : vmessTransportHost;
-                    }
+
                     if (['grpc'].includes(proxy.network)) {
                         result.path =
                             proxy[`${proxy.network}-opts`]?.[
@@ -156,6 +152,31 @@ export default function URI_Producer() {
                             'gun';
                         result.host =
                             proxy[`${proxy.network}-opts`]?.['_grpc-authority'];
+                    } else if (['kcp', 'quic'].includes(proxy.network)) {
+                        // https://github.com/XTLS/Xray-core/issues/91
+                        result.type =
+                            proxy[`${proxy.network}-opts`]?.[
+                                `_${proxy.network}-type`
+                            ] || 'none';
+                        result.host =
+                            proxy[`${proxy.network}-opts`]?.[
+                                `_${proxy.network}-host`
+                            ];
+                        result.path =
+                            proxy[`${proxy.network}-opts`]?.[
+                                `_${proxy.network}-path`
+                            ];
+                    } else {
+                        if (vmessTransportPath) {
+                            result.path = Array.isArray(vmessTransportPath)
+                                ? vmessTransportPath[0]
+                                : vmessTransportPath;
+                        }
+                        if (vmessTransportHost) {
+                            result.host = Array.isArray(vmessTransportHost)
+                                ? vmessTransportHost[0]
+                                : vmessTransportHost;
+                        }
                     }
                 }
                 result = 'vmess://' + Base64.encode(JSON.stringify(result));