Initialize Go module
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9 changed files with 1004 additions and 467 deletions
412
main.go
412
main.go
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@ -2,405 +2,63 @@ package main
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import (
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"fmt"
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"html/template"
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"log"
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"net/http"
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"os/exec"
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"os"
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"runtime"
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"github.com/joho/godotenv"
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)
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const (
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serverName = "delemaco" // Server to ping
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macAddress = "b8:cb:29:a1:f3:88" // MAC address of the server
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port = "8080" // Port to listen on
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// Default values
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var (
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serverName = "server" // Server to ping
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serverUser = "root" // SSH username
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macAddress = "aa:aa:aa:aa:aa:aa" // MAC address of the server
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port = "8080" // Port to listen on
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)
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// StatusData holds data for the HTML template
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type StatusData struct {
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Server string
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Status string
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Color string
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IsTestMode bool
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}
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// Check if server is online
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func isServerOnline() bool {
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var cmd *exec.Cmd
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// macOS and Linux have slightly different ping commands
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if runtime.GOOS == "darwin" {
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cmd = exec.Command("ping", "-c", "1", "-W", "1000", serverName)
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} else {
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cmd = exec.Command("ping", "-c", "1", "-W", "1", serverName)
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func loadEnvVariables() {
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// Load .env file if it exists
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if err := godotenv.Load(); err != nil {
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log.Println("No .env file found, using default values")
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}
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err := cmd.Run()
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return err == nil
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}
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// Send WOL packet
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func sendWakeOnLAN() error {
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log.Printf("Sending WOL packet to %s (%s)", serverName, macAddress)
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cmd := exec.Command("wakeonlan", macAddress)
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return cmd.Run()
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}
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// Shutdown server
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func shutdownServer() error {
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// Real shutdown command for Linux
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log.Printf("Sending shutdown command to %s", serverName)
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cmd := exec.Command("ssh", serverName, "sudo", "shutdown", "-h", "now")
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return cmd.Run()
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}
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// Handle the root route - show status
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func indexHandler(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path != "/" {
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http.NotFound(w, r)
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return
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// Override defaults with environment variables if they exist
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if envServerName := os.Getenv("SERVER_NAME"); envServerName != "" {
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serverName = envServerName
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}
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online := isServerOnline()
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status := "Online"
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color := "#4caf50" // Material green
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if !online {
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status = "Offline"
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color = "#d32f2f" // Material red
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if envServerUser := os.Getenv("SERVER_USER"); envServerUser != "" {
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serverUser = envServerUser
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}
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data := StatusData{
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Server: serverName,
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Status: status,
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Color: color,
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IsTestMode: runtime.GOOS == "darwin",
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if envMacAddress := os.Getenv("MAC_ADDRESS"); envMacAddress != "" {
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macAddress = envMacAddress
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}
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renderTemplate(w, data)
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}
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// Handle boot request
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func bootHandler(w http.ResponseWriter, r *http.Request) {
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if !isServerOnline() {
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// Boot the server using wakeonlan
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err := sendWakeOnLAN()
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if err != nil {
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log.Printf("Error booting server: %v", err)
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}
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// Display booting status
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data := StatusData{
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Server: serverName,
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Status: "Booting",
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Color: "#607d8b", // Material blue-gray
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IsTestMode: runtime.GOOS == "darwin",
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}
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renderTemplate(w, data)
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} else {
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// Server is already online
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data := StatusData{
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Server: serverName,
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Status: "Online",
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Color: "#4caf50", // Material green
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IsTestMode: runtime.GOOS == "darwin",
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}
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renderTemplate(w, data)
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}
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}
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// Handle shutdown request
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func shutdownHandler(w http.ResponseWriter, r *http.Request) {
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if isServerOnline() {
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// Shutdown the server
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err := shutdownServer()
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if err != nil {
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log.Printf("Error shutting down server: %v", err)
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}
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// Display shutting down status
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data := StatusData{
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Server: serverName,
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Status: "Shutting down",
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Color: "#5d4037", // Material brown
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IsTestMode: runtime.GOOS == "darwin",
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}
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renderTemplate(w, data)
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} else {
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// Server is already offline
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data := StatusData{
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Server: serverName,
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Status: "Offline",
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Color: "#d32f2f", // Material red
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IsTestMode: runtime.GOOS == "darwin",
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}
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renderTemplate(w, data)
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}
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}
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// Render the HTML template
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func renderTemplate(w http.ResponseWriter, data StatusData) {
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tmpl, err := template.New("status").Parse(`<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Server Status: {{.Server}}</title>
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link href="https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap" rel="stylesheet">
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<style>
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:root {
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--primary-color: {{.Color}};
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--text-color: white;
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--shadow-color: rgba(0, 0, 0, 0.3);
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--hover-color: rgba(255, 255, 255, 0.1);
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--card-bg: rgba(0, 0, 0, 0.15);
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}
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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background-color: var(--primary-color);
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font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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color: var(--text-color);
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padding: 20px;
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transition: background-color 0.5s ease;
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background-image: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 20%),
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radial-gradient(circle at 90% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 20%);
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}
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.container {
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max-width: 800px;
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width: 100%;
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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.card {
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background-color: var(--card-bg);
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border-radius: 20px;
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padding: 40px;
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margin-bottom: 30px;
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
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backdrop-filter: blur(5px);
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width: 100%;
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max-width: 600px;
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border: 1px solid rgba(255, 255, 255, 0.1);
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}
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.status-icon {
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font-size: 48px;
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margin-bottom: 20px;
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text-align: center;
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}
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.status-text {
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font-size: 2.5rem;
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font-weight: 600;
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text-align: center;
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margin-bottom: 10px;
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text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
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}
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.server-name {
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font-size: 1.2rem;
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text-align: center;
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margin-bottom: 30px;
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opacity: 0.9;
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}
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.controls {
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display: flex;
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gap: 15px;
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flex-wrap: wrap;
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justify-content: center;
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}
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.button {
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padding: 15px 25px;
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font-size: 1rem;
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font-weight: 600;
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border: none;
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border-radius: 50px;
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cursor: pointer;
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text-decoration: none;
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color: var(--text-color);
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background-color: var(--shadow-color);
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transition: transform 0.2s ease, background-color 0.3s ease, box-shadow 0.3s ease;
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min-width: 140px;
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text-align: center;
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box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 8px;
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}
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.button:hover {
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background-color: var(--hover-color);
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transform: translateY(-3px);
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box-shadow: 0 7px 14px rgba(0, 0, 0, 0.15);
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}
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.button:active {
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transform: translateY(1px);
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
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}
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.button::before {
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content: '';
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display: inline-block;
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width: 20px;
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height: 20px;
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background-size: contain;
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background-repeat: no-repeat;
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background-position: center;
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}
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.button.refresh::before {
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' viewBox='0 -960 960 960' width='24' fill='white'%3E%3Cpath d='M480-160q-133 0-226.5-93.5T160-480q0-133 93.5-226.5T480-800q85 0 149 34.5T740-671v-99q0-13 8.5-21.5T770-800q13 0 21.5 8.5T800-770v194q0 13-8.5 21.5T770-546H576q-13 0-21.5-8.5T546-576q0-13 8.5-21.5T576-606h138q-38-60-97-97t-137-37q-109 0-184.5 75.5T220-480q0 109 75.5 184.5T480-220q59 0 111-25t89-69q8-9 20.5-10t21.5 7q9 8 10 20t-7 22q-45 53-112 86.5T480-160Z'/%3E%3C/svg%3E");
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}
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.button.boot::before {
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' viewBox='0 -960 960 960' width='24' fill='white'%3E%3Cpath d='M480-120q-151 0-255.5-104.5T120-480q0-138 89-239t219-120q20-3 33.5 9.5T480-797q4 20-9 35.5T437-748q-103 12-170 87t-67 181q0 124 88 212t212 88q124 0 212-88t88-212q0-109-69.5-184.5T564-748q-21-3-31.5-19T525-798q3-20 19-30.5t35-6.5q136 19 228.5 122.5T900-480q0 150-104.5 255T480-120Zm0-170q-20 0-33.5-14T433-340v-286q0-21 14-34.5t33-13.5q20 0 33.5 13.5T527-626v286q0 22-14 36t-33 14Z'/%3E%3C/svg%3E");
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}
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.button.shutdown::before {
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' viewBox='0 -960 960 960' width='24' fill='white'%3E%3Cpath d='M480-120q-151 0-255.5-104.5T120-480q0-138 89-239t219-120q20-3 33.5 9.5T480-797q4 20-9 35.5T437-748q-103 12-170 87t-67 181q0 124 88 212t212 88q124 0 212-88t88-212q0-109-69.5-184.5T564-748q-21-3-31.5-19T525-798q3-20 19-30.5t35-6.5q136 19 228.5 122.5T900-480q0 150-104.5 255T480-120Zm0-360Z'/%3E%3C/svg%3E");
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}
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.test-panel {
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margin-top: 40px;
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padding: 20px;
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background-color: rgba(0, 0, 0, 0.3);
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border-radius: 15px;
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width: 100%;
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max-width: 600px;
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border: 1px solid rgba(255, 255, 255, 0.1);
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}
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.test-note {
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color: white;
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margin-bottom: 20px;
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text-align: center;
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font-size: 0.9rem;
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opacity: 0.8;
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}
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.footer {
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margin-top: 40px;
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font-size: 0.8rem;
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opacity: 0.7;
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text-align: center;
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}
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/* Responsive adjustments */
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@media (max-width: 600px) {
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.card {
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padding: 30px 20px;
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}
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.status-text {
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font-size: 2rem;
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}
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.controls {
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flex-direction: column;
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width: 100%;
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}
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.button {
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width: 100%;
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}
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}
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/* Status-specific icons */
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{{if eq .Status "Online"}}
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.status-icon::before {
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content: "✓";
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color: #4caf50;
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}
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{{else if eq .Status "Offline"}}
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.status-icon::before {
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content: "✗";
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color: #f44336;
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}
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{{else if eq .Status "Booting"}}
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.status-icon::before {
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content: "⟳";
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color: #ffeb3b;
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display: inline-block;
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animation: spin 2s linear infinite;
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}
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{{else if eq .Status "Shutting down"}}
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.status-icon::before {
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content: "⏻";
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color: #ff9800;
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}
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{{end}}
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@keyframes spin {
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0% { transform: rotate(0deg); }
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100% { transform: rotate(360deg); }
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="card">
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<div class="status-icon"></div>
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<h1 class="status-text">{{.Status}}</h1>
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<div class="server-name">Server: <strong>{{.Server}}</strong></div>
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<div class="controls">
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<a href="/" class="button refresh">Refresh</a>
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<a href="/boot" class="button boot">Boot</a>
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<a href="/shutdown" class="button shutdown">Shutdown</a>
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</div>
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</div>
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{{if .IsTestMode}}
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<div class="test-panel">
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<div class="test-note">
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Running on macOS in test mode. Wake-on-LAN packets are sent, but remote shutdown is simulated.
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</div>
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</div>
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{{end}}
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<div class="footer">
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Wake-on-LAN Server Control Panel
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</div>
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</div>
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</body>
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</html>`)
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if err != nil {
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http.Error(w, "Failed to load template", http.StatusInternalServerError)
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log.Printf("Template error: %v", err)
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return
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if envPort := os.Getenv("PORT"); envPort != "" {
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port = envPort
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}
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err = tmpl.Execute(w, data)
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if err != nil {
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http.Error(w, "Failed to render template", http.StatusInternalServerError)
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log.Printf("Template render error: %v", err)
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}
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log.Printf("Configuration loaded: SERVER_NAME=%s, SERVER_USER=%s, MAC_ADDRESS=%s, PORT=%s",
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serverName, serverUser, macAddress, port)
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}
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func main() {
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// Load environment variables
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loadEnvVariables()
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// Setup template
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if err := setupTemplate(); err != nil {
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log.Fatalf("Failed to setup template: %v", err)
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}
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// Register route handlers
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http.HandleFunc("/", indexHandler)
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http.HandleFunc("/boot", bootHandler)
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http.HandleFunc("/confirm-shutdown", confirmShutdownHandler)
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http.HandleFunc("/enter-password", enterPasswordHandler)
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http.HandleFunc("/shutdown", shutdownHandler)
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// Start the server
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@ -408,7 +66,7 @@ func main() {
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log.Printf("Starting WOL Server on http://localhost%s", listenAddr)
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if runtime.GOOS == "darwin" {
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log.Println("Running on macOS in test mode - remote shutdown commands will be simulated")
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log.Println("Running on macOS - commands will be executed using the provided password")
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}
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if err := http.ListenAndServe(listenAddr, nil); err != nil {
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