From a76ef33c4c13b024bd317bc754e0d85612771479 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8F=B2=E6=82=A6?= <shiyue@hdzxbj.com>
Date: Wed, 14 Jan 2026 15:17:58 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B7=BB=E5=8A=A0=E9=9F=B3=E4=B9=90API?=
 =?UTF-8?q?=E4=BB=A3=E7=90=86=E4=BB=A5=E8=A7=A3=E5=86=B3CORS=E8=B7=A8?=
 =?UTF-8?q?=E5=9F=9F=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- index.html: 将API_BASE改为相对路径 /api/music-api
- sync-server/server.js: 新增 /music-api 代理端点转发请求至 music-dl.sayqz.com
- 新增 proxyRequest 函数处理HTTPS代理请求和重定向
---
 index.html            |   2 +-
 sync-server/server.js | 104 ++++++++++++++++++++++++++++++++----------
 2 files changed, 82 insertions(+), 24 deletions(-)

diff --git a/index.html b/index.html
index ef20928..50e4f4f 100644
--- a/index.html
+++ b/index.html
@@ -138,7 +138,7 @@
     <script type="text/babel">
         const { useState, useEffect, useRef, useMemo, useCallback } = React;
 
-        const API_BASE = "https://music-dl.sayqz.com";
+        const API_BASE = "/api/music-api";
         // Use relative path for sync service, assuming Nginx proxy is configured to forward /api/kv to the sync service
         const SYNC_API_BASE = "/api";
         
diff --git a/sync-server/server.js b/sync-server/server.js
index 586b5de..1047649 100644
--- a/sync-server/server.js
+++ b/sync-server/server.js
@@ -17,29 +17,39 @@ if (!fs.existsSync(MUSIC_DIR)) {
     fs.mkdirSync(MUSIC_DIR, { recursive: true });
 }
 
-const server = http.createServer((req, res) => {
-    // CORS headers
-    res.setHeader('Access-Control-Allow-Origin', '*');
-    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
-    res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
-
-    if (req.method === 'OPTIONS') {
-        res.writeHead(204);
-        res.end();
-        return;
-    }
-
-    const parsedUrl = url.parse(req.url, true);
-    const pathname = parsedUrl.pathname;
-    
-    // Path format: /kv/:key?token=...
-    const match = pathname.match(/^\/kv\/([a-zA-Z0-9_-]+)$/);
-    
-    if (!match) {
-        res.writeHead(404, { 'Content-Type': 'application/json' });
-        res.end(JSON.stringify({ error: 'Invalid path' }));
-        return;
-    }
+const server = http.createServer((req, res) => {
+    // CORS headers
+    res.setHeader('Access-Control-Allow-Origin', '*');
+    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
+    res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
+
+    if (req.method === 'OPTIONS') {
+        res.writeHead(204);
+        res.end();
+        return;
+    }
+
+    const parsedUrl = url.parse(req.url, true);
+    const pathname = parsedUrl.pathname;
+
+    // --- Music API Proxy ---
+    // Proxy requests to music-dl.sayqz.com to avoid CORS issues
+    if (pathname === '/music-api' || pathname === '/music-api/') {
+        const queryString = parsedUrl.search || '';
+        const targetUrl = `https://music-dl.sayqz.com/api/${queryString}`;
+        
+        proxyRequest(targetUrl, req, res);
+        return;
+    }
+    
+    // Path format: /kv/:key?token=...
+    const match = pathname.match(/^\/kv\/([a-zA-Z0-9_-]+)$/);
+    
+    if (!match) {
+        res.writeHead(404, { 'Content-Type': 'application/json' });
+        res.end(JSON.stringify({ error: 'Invalid path' }));
+        return;
+    }
 
     const key = match[1];
     const token = parsedUrl.query.token;
@@ -298,6 +308,54 @@ function downloadFile(url, dest) {
     });
 }
 
+// --- Music API Proxy Function ---
+function proxyRequest(targetUrl, req, res) {
+    const parsedTarget = url.parse(targetUrl);
+    
+    const options = {
+        hostname: parsedTarget.hostname,
+        port: 443,
+        path: parsedTarget.path,
+        method: req.method,
+        headers: {
+            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
+            'Accept': '*/*',
+            'Accept-Encoding': 'identity'
+        }
+    };
+
+    const proxyReq = https.request(options, (proxyRes) => {
+        // Handle redirects
+        if (proxyRes.statusCode >= 300 && proxyRes.statusCode < 400 && proxyRes.headers.location) {
+            // For redirects, return the redirect URL to client
+            res.writeHead(200, { 'Content-Type': 'application/json' });
+            res.end(JSON.stringify({ url: proxyRes.headers.location }));
+            return;
+        }
+
+        // Copy response headers (except problematic ones)
+        const headers = { ...proxyRes.headers };
+        delete headers['content-encoding'];
+        delete headers['transfer-encoding'];
+        
+        res.writeHead(proxyRes.statusCode, headers);
+        proxyRes.pipe(res);
+    });
+
+    proxyReq.on('error', (e) => {
+        console.error('[Proxy] Request error:', e.message);
+        res.writeHead(502, { 'Content-Type': 'application/json' });
+        res.end(JSON.stringify({ error: 'Proxy request failed', message: e.message }));
+    });
+
+    // Forward request body for POST requests
+    if (req.method === 'POST') {
+        req.pipe(proxyReq);
+    } else {
+        proxyReq.end();
+    }
+}
+
 function writeMetadata(inputPath, outputPath, metadata) {
     return new Promise((resolve, reject) => {
         const args = ['-i', inputPath];