94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
package main
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import (
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"crypto/tls"
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"flag"
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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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"github.com/james4k/rcon"
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"golang.org/x/crypto/acme/autocert"
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)
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type serverData struct {
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IPAddr string
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Port int
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Title string
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Players string
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}
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func main() {
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serverAddr := flag.String("serverAddr", "localhost", "Server to check status of (optional; defaults to localhost")
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serverPort := flag.Int("serverPort", 34196, "RCON port on the Factorio server (optional; defaults to 34196)")
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password := flag.String("password", "", "RCON password of the server (required)")
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flag.Parse()
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if *serverPort < 1 || *serverPort > 65535 {
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fmt.Printf("Invalid server port %v\n", *serverPort)
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return
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}
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if *password == "" {
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fmt.Printf("Password flag is required")
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}
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fmt.Print("Parsing templates...\n")
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t, err := template.ParseFiles("templates/index.html")
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if err != nil {
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fmt.Printf("Error parsing HTML template: %v\n", err)
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}
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rconConnection, err := rcon.Dial(fmt.Sprintf("%v:%v", *serverAddr, *serverPort), *password)
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if err != nil {
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log.Fatalf("Error making RCON connection: %v", err)
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}
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defer rconConnection.Close()
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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_, err := rconConnection.Write("/players o")
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if err != nil {
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fmt.Print(w, "Error connecting to server")
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return
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}
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playersOnline, _, err := rconConnection.Read()
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if err != nil {
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fmt.Print(w, "Error receiving data from server")
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return
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}
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data := []serverData{}
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data = append(data, serverData{
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*serverAddr,
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34197,
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"Server with Bob's Mod, est. Feb 2020",
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playersOnline,
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})
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t.Execute(w, data)
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})
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certManager := autocert.Manager{
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Prompt: autocert.AcceptTOS,
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HostPolicy: autocert.HostWhitelist("factorio.blackolivepineapple.pizza"), // TODO: add config
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Cache: autocert.DirCache("certs"),
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}
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server := &http.Server{
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Addr: ":https",
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TLSConfig: &tls.Config{
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GetCertificate: certManager.GetCertificate,
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},
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}
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go http.ListenAndServe(":http", certManager.HTTPHandler(nil)) // Handler for LetsEncrypt
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fmt.Println("Serving...")
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server.ListenAndServeTLS("", "") // Key/cert come from server.TLSConfig
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}
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