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feat: add public IP detection for VPS/NAS deployment

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- Add getPublicIP() via api.ipify.org with configurable timeout
- Startup log now shows both local and public access URLs
- Graceful fallback: skip public IP if network unreachable
- Update README with dual-IP log example for both CN/EN
This commit is contained in:
ShukeBta
2026-05-17 00:19:38 +08:00
parent dd8f2a466c
commit 158fffaba0
3 changed files with 40 additions and 6 deletions
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README.md
+5 -1
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@@ -192,7 +192,11 @@ cd MediaStationGo
docker compose up -d
```
> 🌐 服务启动后会自动识别本机 IP，日志中显示访问地址（如 `http://192.168.x.x:8080`），使用 `admin` / `admin123` 登录。
> 🌐 服务启动后自动识别 **局域网 IP** 和 **公网 IP**（NAS / 服务器均可），日志示例：
> ```json
> {"msg":"server is ready","local":"http://192.168.1.4:8080","public":"http://1.2.3.4:8080"}
> ```
> 使用 `admin` / `admin123` 登录。
### 💻 裸机部署
README_EN.md
+5 -1
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@@ -192,7 +192,11 @@ cd MediaStationGo
docker compose up -d
```
> 🌐 The server auto-detects your local IP on startup and logs the access URL (e.g. `http://192.168.x.x:8080`). Log in with `admin` / `admin123`.
> 🌐 The server auto-detects both your **local network IP** and **public IP** on startup (NAS / VPS supported):
> ```json
> {"msg":"server is ready","local":"http://192.168.1.4:8080","public":"http://1.2.3.4:8080"}
> ```
> Log in with `admin` / `admin123`.
### 💻 Bare Metal
cmd/server/main.go
+30 -4
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@@ -89,10 +89,19 @@ func main() {
go func() {
localIP := getLocalIP()
logger.Info("server is ready",
zap.String("local", fmt.Sprintf("http://%s:%d", localIP, cfg.App.Port)),
zap.String("listen", srv.Addr),
)
publicIP := getPublicIP(3 * time.Second)
if publicIP != "" {
logger.Info("server is ready",
zap.String("local", fmt.Sprintf("http://%s:%d", localIP, cfg.App.Port)),
zap.String("public", fmt.Sprintf("http://%s:%d", publicIP, cfg.App.Port)),
zap.String("listen", srv.Addr),
)
} else {
logger.Info("server is ready",
zap.String("local", fmt.Sprintf("http://%s:%d", localIP, cfg.App.Port)),
zap.String("listen", srv.Addr),
)
}
if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
logger.Fatal("listen failed", zap.Error(err))
}
@@ -180,3 +189,20 @@ func getLocalIP() string {
}
return "localhost"
}
// getPublicIP tries to detect the public-facing IP by querying ipify.org.
// Returns empty string if detection fails (e.g. no internet, timeout).
func getPublicIP(timeout time.Duration) string {
client := &http.Client{Timeout: timeout}
resp, err := client.Get("https://api.ipify.org")
if err != nil {
return ""
}
defer resp.Body.Close()
buf := make([]byte, 64)
n, err := resp.Body.Read(buf)
if err != nil || n == 0 || resp.StatusCode != http.StatusOK {
return ""
}
return string(buf[:n])
}