59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
package handlers
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import (
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"encoding/json"
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"net"
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"net/http"
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"slideshowApp/env"
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)
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// Helper to get the local network IP address
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func GetLocalIP() string {
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if env.Host.GetValue() != "0.0.0.0" && env.Host.GetValue() != "localhost" {
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return env.Host.GetValue()
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}
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if ip := getActiveIP(); ip != "" {
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return ip
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}
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return "localhost"
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}
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func getActiveIP() string {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return ""
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}
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for _, address := range addrs {
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if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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if ipnet.IP.To4() != nil {
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ipStr := ipnet.IP.String()
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if ipnet.IP.IsLinkLocalUnicast() {
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continue
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}
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return ipStr
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}
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}
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}
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return ""
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}
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func InfoHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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data := map[string]string{
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"ip": GetLocalIP(),
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"port": env.Port.GetValue(),
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"speed": GetInterval(),
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}
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err := json.NewEncoder(w).Encode(data)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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}
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