application/controllers/public.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2
   3 /**
   4  * A controller that is sometimes available without authorization.
   5  *
   6  * That is, things here shouldn't expose secrets, but for DoS reasons,
   7  * they're still not available from anybody who's both non-localhost (reports)
   8  * and non-logged-in (actual users)
   9  */
  10 class Public_Controller extends Controller {
  11         public function __construct()
  12         {
  13                 // No current user
  14                 if (!Auth::instance()->get_user()) {
  15                         // And we don't come from ::1 or 127.0.0.0/8
  16                         if (isset($_SERVER['HTTP_X_FORWARDED_FOR']) || !($_SERVER['REMOTE_ADDR'] == '::1' || (ip2long($_SERVER['REMOTE_ADDR']) & (127 << 24)) !== (127 << 24))) {
  17                                 // So we won't do anything
  18                                 die("Invalid request");
  19                         }
  20                 }
  21         }
  22
  23         /**
  24         *       Create a piechart
  25         */
  26         public function piechart()
  27         {
  28                 $this->auto_render = false;
  29                 charts::load('Pie');
  30                 $graph = new PieChart(300, 200);
  31                 $graph->set_data($_GET, 'pie');
  32                 $graph->set_margins(43);
  33                 $graph->set_legend_precision(3);
  34
  35                 $graph->draw();
  36                 $graph->display();
  37         }
  38
  39         /**
  40         *       Create a barchart
  41         */
  42         public function barchart()
  43         {
  44                 $this->auto_render = false;
  45                 charts::load('MultipleBar');
  46                 $graph = new MultipleBarChart(800, 600);
  47
  48                 $barvalues = false;
  49                 $barcolors = false;
  50                 foreach ($_GET as $tmpkey => $tmpval) {
  51                         $barvalues[$tmpkey] = array(
  52                                 str_replace(',', '.', $tmpval[1]),
  53                                 str_replace(',', '.', $tmpval[0])
  54                         );
  55                         $barcolors[] = false;
  56                         $barcolors[] = $tmpval[2] ? reports::$colors['red'] : reports::$colors['green'];
  57                 }
  58
  59                 $graph->add_bar_colors($barcolors);
  60                 $graph->set_background_style(null);
  61                 $graph->set_plot_bg_color('#fff');
  62                 $graph->set_data($barvalues);
  63                 $graph->set_margins(7, 20);
  64                 $graph->set_approx_line_gap(50);
  65                 $graph->set_legend_y(_('Percent (%)'));
  66                 $graph->set_legend_x(_('Period'));
  67
  68                 $graph->draw();
  69                 $graph->display();
  70         }
  71 }