fix: 修复 SS URI 解析

Author: xream

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "sub-store",
-  "version": "2.22.10",
+  "version": "2.22.11",
   "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and Shadowrocket.",
   "main": "src/main.js",
   "scripts": {

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

@@ -46,6 +46,23 @@ function splitURIFragment(raw) {
     };
 }
 
+function decodeShadowsocksUserInfo(rawUserInfoStr) {
+    const separatorIndex = rawUserInfoStr.indexOf(':');
+    if (separatorIndex !== -1) {
+        return [
+            decodeURIComponent(rawUserInfoStr.slice(0, separatorIndex)),
+            decodeURIComponent(rawUserInfoStr.slice(separatorIndex + 1)),
+        ].join(':');
+    }
+
+    const decodedUserInfoStr = decodeURIComponent(rawUserInfoStr);
+    if (decodedUserInfoStr.includes(':')) {
+        return decodedUserInfoStr;
+    }
+
+    return Base64.decode(decodedUserInfoStr);
+}
+
 function parseWireGuardURIAddressValue(value) {
     if (value == null) return null;
     const raw = `${value}`.trim();
@@ -182,13 +199,7 @@ function URI_SS() {
         // handle IPV4 and IPV6
         let serverAndPortArray = content.match(/@([^/?]*)(\/|\?|$)/);
 
-        let rawUserInfoStr = decodeURIComponent(content.split('@')[0]); // 其实应该分隔之后, 用户名和密码再 decodeURIComponent. 但是问题不大
-        let userInfoStr;
-        if (rawUserInfoStr?.startsWith('2022-blake3-')) {
-            userInfoStr = rawUserInfoStr;
-        } else {
-            userInfoStr = Base64.decode(rawUserInfoStr);
-        }
+        let userInfoStr = decodeShadowsocksUserInfo(content.split('@')[0]);
 
         let query = '';
         if (!serverAndPortArray) {

backend/src/test/proxy-parsers/uri.spec.js

@@ -102,6 +102,60 @@ describe('Proxy URI parser coverage', function () {
             });
         });
 
+        it('parses SIP002 Base64URL shadowsocks userinfo', function () {
+            const proxy = parseOne(
+                `ss://${Base64.encodeURI(
+                    'aes-128-gcm:aa>',
+                )}@ss.example.com:8388#SS%20Base64URL`,
+            );
+
+            expectSubset(proxy, {
+                type: 'ss',
+                name: 'SS Base64URL',
+                server: 'ss.example.com',
+                port: 8388,
+                cipher: 'aes-128-gcm',
+                password: 'aa>',
+            });
+        });
+
+        it('parses SIP002 plain shadowsocks userinfo with percent-encoded credentials', function () {
+            const password = 'sec:ret@/plus+';
+            const proxy = parseOne(
+                `ss://aes-128-gcm:${encodeURIComponent(
+                    password,
+                )}@ss.example.com:8388#SS%20Plain`,
+            );
+
+            expectSubset(proxy, {
+                type: 'ss',
+                name: 'SS Plain',
+                server: 'ss.example.com',
+                port: 8388,
+                cipher: 'aes-128-gcm',
+                password,
+            });
+        });
+
+        it('parses SIP002 AEAD-2022 plain userinfo without Base64URL decoding', function () {
+            const password =
+                'YctPZ6U7xPPcU+gp3u+0tx/tRizJN9K8y+uKlW2qjlI=';
+            const proxy = parseOne(
+                `ss://2022-blake3-aes-256-gcm:${encodeURIComponent(
+                    password,
+                )}@192.168.100.1:8888#SS%202022`,
+            );
+
+            expectSubset(proxy, {
+                type: 'ss',
+                name: 'SS 2022',
+                server: '192.168.100.1',
+                port: 8888,
+                cipher: '2022-blake3-aes-256-gcm',
+                password,
+            });
+        });
+
         it('parses legacy shadowsocks URIs with v2ray-plugin options', function () {
             const legacy = Base64.encode(
                 'chacha20-ietf-poly1305:legacy-pass@legacy.example.com:443',