v2 init commit

src/mod/ganserv/authkeyLinux.go

@@ -0,0 +1,37 @@
+//go:build linux
+// +build linux
+
+package ganserv
+
+import (
+	"os"
+	"os/exec"
+	"os/user"
+	"strings"
+
+	"imuslab.com/zoraxy/mod/utils"
+)
+
+func readAuthTokenAsAdmin() (string, error) {
+	if utils.FileExists("./authtoken.secret") {
+		authKey, err := os.ReadFile("./authtoken.secret")
+		if err == nil {
+			return strings.TrimSpace(string(authKey)), nil
+		}
+	}
+
+	cmd := exec.Command("sudo", "cat", "/var/lib/zerotier-one/authtoken.secret")
+	output, err := cmd.Output()
+	if err != nil {
+		return "", err
+	}
+	return string(output), nil
+}
+
+func isAdmin() bool {
+	currentUser, err := user.Current()
+	if err != nil {
+		return false
+	}
+	return currentUser.Username == "root"
+}