mirror of
https://github.com/NeteaseCloudMusicApiEnhanced/api-enhanced.git
synced 2026-03-21 11:03:15 +00:00
feat(server): 支持多域名CORS配置
- 实现了逗号分隔的多域名CORS配置解析功能 - 新增parseCorsAllowOrigins函数处理域名列表解析 - 新增getCorsAllowOrigin函数实现动态域名匹配逻辑 - 更新CORS响应头设置逻辑支持多域名验证 - 添加Vary: Origin响应头优化缓存策略 - 修改README文档说明多域名配置方式
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@ -130,7 +130,7 @@ $ sudo docker run -d -p 3000:3000 ncm-api
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| 变量名 | 默认值 | 说明 |
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|----------------------------|--------------------------------------|----------------------------------------------------|
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| **CORS_ALLOW_ORIGIN** | `*` | 允许跨域请求的域名。若需要限制,请指定具体域名(例如 `https://example.com`)。 |
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| **CORS_ALLOW_ORIGIN** | `*` | 允许跨域请求的域名。可填写单个源,或使用逗号分隔多个源(例如 `https://a.com,https://b.com`)。 |
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| **ENABLE_PROXY** | `false` | 是否启用反向代理功能。 |
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| **PROXY_URL** | `https://your-proxy-url.com/?proxy=` | 代理服务地址。仅当 `ENABLE_PROXY=true` 时生效。 |
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| **ENABLE_GENERAL_UNBLOCK** | `true` | 是否启用全局解灰(推荐开启)。开启后所有歌曲都尝试自动解锁。 |
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49
server.js
49
server.js
@ -127,6 +127,39 @@ async function checkVersion() {
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})
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}
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function parseCorsAllowOrigins(corsAllowOrigin) {
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if (!corsAllowOrigin) {
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return null
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}
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const origins = corsAllowOrigin
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.split(',')
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.map((origin) => origin.trim())
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.filter(Boolean)
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return origins.length > 0 ? origins : null
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}
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function getCorsAllowOrigin(allowOrigins, requestOrigin) {
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if (!allowOrigins) {
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return requestOrigin || '*'
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}
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if (allowOrigins.includes('*')) {
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return '*'
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}
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if (requestOrigin && allowOrigins.includes(requestOrigin)) {
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return requestOrigin
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}
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if (!requestOrigin) {
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return allowOrigins[0] || null
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}
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return null
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}
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/**
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* Construct the server of NCM API.
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*
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@ -136,6 +169,7 @@ async function checkVersion() {
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async function constructServer(moduleDefs) {
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const app = express()
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const { CORS_ALLOW_ORIGIN } = process.env
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const allowOrigins = parseCorsAllowOrigins(CORS_ALLOW_ORIGIN)
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app.set('trust proxy', true)
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/**
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@ -147,10 +181,21 @@ async function constructServer(moduleDefs) {
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*/
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app.use((req, res, next) => {
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if (req.path !== '/' && !req.path.includes('.')) {
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const corsAllowOrigin = getCorsAllowOrigin(
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allowOrigins,
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req.headers.origin,
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)
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const shouldSetVaryHeader =
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allowOrigins &&
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!allowOrigins.includes('*') &&
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req.headers.origin &&
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corsAllowOrigin
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res.set({
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'Access-Control-Allow-Credentials': true,
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'Access-Control-Allow-Origin':
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CORS_ALLOW_ORIGIN || req.headers.origin || '*',
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...(corsAllowOrigin
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? { 'Access-Control-Allow-Origin': corsAllowOrigin }
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: {}),
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...(shouldSetVaryHeader ? { Vary: 'Origin' } : {}),
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'Access-Control-Allow-Headers': 'X-Requested-With,Content-Type',
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'Access-Control-Allow-Methods': 'PUT,POST,GET,DELETE,OPTIONS',
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'Content-Type': 'application/json; charset=utf-8',
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