create admin user in cli

main.go

@@ -5,23 +5,34 @@ import (
 	"flag"
 	"fmt"
 	"mtui/app"
+	"mtui/auth"
 	"mtui/events"
 	"mtui/jobs"
 	"mtui/web"
 	"net/http"
 	"os"
 	"os/signal"
+	"strings"
 	"syscall"
 
+	dbauth "github.com/minetest-go/mtdb/auth"
+
 	"github.com/sirupsen/logrus"
 )
 
-func main() {
+var version_flag = flag.Bool("version", false, "show the current version and exit")
+var help_flag = flag.Bool("help", false, "shows all options")
+var create_admin = flag.String("create_admin", "", "creates a new admin-user (format: 'user:pass')")
 
-	version_ptr := flag.Bool("version", false, "show the current version and exit")
+func main() {
 	flag.Parse()
 
-	if *version_ptr {
+	if *help_flag {
+		flag.PrintDefaults()
+		return
+	}
+
+	if *version_flag {
 		v := app.Version
 		if v == "" {
 			v = "DEV"
@@ -49,6 +60,47 @@ func main() {
 		panic(err)
 	}
 
+	if *create_admin != "" {
+		parts := strings.Split(*create_admin, ":")
+		if len(parts) != 2 {
+			panic("invalid format")
+		}
+		username := parts[0]
+		password := parts[1]
+		salt, verifier, err := auth.CreateAuth(username, password)
+		if err != nil {
+			panic(err)
+		}
+
+		str := auth.CreateDBPassword(salt, verifier)
+		entry, err := a.DBContext.Auth.GetByUsername(username)
+		if err != nil {
+			panic(err)
+		}
+
+		entry = &dbauth.AuthEntry{
+			Name:     username,
+			Password: str,
+		}
+		err = a.DBContext.Auth.Create(entry)
+		if err != nil {
+			panic(err)
+		}
+
+		for _, priv := range []string{"server", "interact", "privs"} {
+			err = a.DBContext.Privs.Create(&dbauth.PrivilegeEntry{
+				ID:        *entry.ID,
+				Privilege: priv,
+			})
+
+			if err != nil {
+				panic(err)
+			}
+		}
+		fmt.Printf("Created a new admin-user '%s'\n", username)
+		return
+	}
+
 	logrus.WithFields(logrus.Fields{
 		"version": app.Version,
 	}).Info("Starting mtui")