From f3d161fa9251b4e80732bb23cf1f39cef5561e05 Mon Sep 17 00:00:00 2001
From: matteo <matteo.pasotti@gmail.com>
Date: Mon, 1 Feb 2021 01:13:51 +0100
Subject: - warn the user and exit if manahost is run w/o privileges

---
 lib/ManaTools/Module/Hosts.pm | 59 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 58 insertions(+), 1 deletion(-)

diff --git a/lib/ManaTools/Module/Hosts.pm b/lib/ManaTools/Module/Hosts.pm
index 25b779e2..4c353c13 100644
--- a/lib/ManaTools/Module/Hosts.pm
+++ b/lib/ManaTools/Module/Hosts.pm
@@ -21,6 +21,7 @@
 package ManaTools::Module::Hosts;
 
 use Modern::Perl '2011';
+use English;
 use autodie;
 use Moose;
 use POSIX qw(ceil);
@@ -94,7 +95,15 @@ sub _SharedUGUIInitialize {
 sub start {
     my $self = shift;
 
-    $self->_manageHostsDialog();
+    my $login = (getpwuid $>);
+    if ($login ne 'root')
+    {
+	$self->_warningMissingPrivileges();
+    }
+    else
+    {
+        $self->_manageHostsDialog();
+    }
 };
 
 #=============================================================
@@ -385,6 +394,54 @@ sub setupTable {
     }
 }
 
+sub _warningMissingPrivileges{
+    my $self = shift;
+
+    my $appTitle = yui::YUI::app()->applicationTitle();
+    my $appIcon = yui::YUI::app()->applicationIcon();
+    ## set new title to get it in dialog
+    my $newTitle = $self->loc->N("Need administrator privileges");
+
+    my $factory  = yui::YUI::widgetFactory;
+    my $optional = yui::YUI::optionalWidgetFactory;
+
+## TODO remove title and icon when using Shared::Module::GUI::Dialog
+    ## set new title to get it in dialog
+    yui::YUI::app()->setApplicationTitle($self->name());
+    ## set icon if not already set by external launcher
+    yui::YUI::app()->setApplicationIcon($self->icon());
+
+    $self->dialog($factory->createMainDialog());
+    my $layout    = $factory->createVBox($self->dialog);
+
+    my $hbox_header = $factory->createHBox($layout);
+    my $labelAppDescription = $factory->createLabel($hbox_header,$newTitle);
+    $labelAppDescription->setWeight($yui::YD_HORIZ,0);
+    my $hbox_foot = $factory->createHBox($layout);
+    my $okButton = $factory->createPushButton($hbox_foot,$self->loc->N("&OK"));
+    
+    # main loop
+    while(1) {
+        my $event     = $self->dialog->waitForEvent();
+        my $eventType = $event->eventType();
+
+        #event type checking
+        if ($eventType == $yui::YEvent::CancelEvent) {
+            last;
+        }
+        elsif ($eventType == $yui::YEvent::WidgetEvent) {
+            my $widget = $event->widget();
+            if ($widget == $okButton) {
+                last;
+            }
+        }
+    }
+    $self->dialog->destroy() ;
+
+    #restore old application title
+    yui::YUI::app()->setApplicationTitle($appTitle);
+}
+
 sub _manageHostsDialog {
     my $self = shift;
 
-- 
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