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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Administrator
   5   * @subpackage  com_admin
   6   *
   7   * @copyright   (C) 2015 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  namespace Joomla\Component\Admin\Administrator\View\Sysinfo;
  12  
  13  use Exception;
  14  use Joomla\CMS\Access\Exception\NotAllowed;
  15  use Joomla\CMS\Factory;
  16  use Joomla\CMS\Language\Text;
  17  use Joomla\CMS\MVC\View\AbstractView;
  18  use Joomla\Component\Admin\Administrator\Model\SysinfoModel;
  19  
  20  // phpcs:disable PSR1.Files.SideEffects
  21  \defined('_JEXEC') or die;
  22  // phpcs:enable PSR1.Files.SideEffects
  23  
  24  /**
  25   * Sysinfo View class for the Admin component
  26   *
  27   * @since  3.5
  28   */
  29  class TextView extends AbstractView
  30  {
  31      /**
  32       * Execute and display a template script.
  33       *
  34       * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
  35       *
  36       * @return  mixed  A string if successful, otherwise an Error object.
  37       *
  38       * @since   3.5
  39       *
  40       * @throws  Exception
  41       */
  42      public function display($tpl = null): void
  43      {
  44          // Access check.
  45          if (!Factory::getUser()->authorise('core.admin')) {
  46              throw new NotAllowed(Text::_('JERROR_ALERTNOAUTHOR'), 403);
  47          }
  48  
  49          header('Content-Type: text/plain; charset=utf-8');
  50          header('Content-Description: File Transfer');
  51          header('Content-Disposition: attachment; filename="systeminfo-' . date('c') . '.txt"');
  52          header('Cache-Control: must-revalidate');
  53  
  54          $data = $this->getLayoutData();
  55  
  56          $lines = [];
  57  
  58          foreach ($data as $sectionName => $section) {
  59              $customRenderingMethod = 'render' . ucfirst($sectionName);
  60  
  61              if (method_exists($this, $customRenderingMethod)) {
  62                  $lines[] = $this->$customRenderingMethod($section['title'], $section['data']);
  63              } else {
  64                  $lines[] = $this->renderSection($section['title'], $section['data']);
  65              }
  66          }
  67  
  68          echo str_replace(JPATH_ROOT, 'xxxxxx', implode("\n\n", $lines));
  69  
  70          Factory::getApplication()->close();
  71      }
  72  
  73      /**
  74       * Get the data for the view
  75       *
  76       * @return  array
  77       *
  78       * @since   3.5
  79       */
  80      protected function getLayoutData(): array
  81      {
  82          /** @var SysinfoModel $model */
  83          $model = $this->getModel();
  84  
  85          return [
  86              'info' => [
  87                  'title' => Text::_('COM_ADMIN_SYSTEM_INFORMATION', true),
  88                  'data'  => $model->getSafeData('info')
  89              ],
  90              'phpSettings' => [
  91                  'title' => Text::_('COM_ADMIN_PHP_SETTINGS', true),
  92                  'data'  => $model->getSafeData('phpSettings')
  93              ],
  94              'config' => [
  95                  'title' => Text::_('COM_ADMIN_CONFIGURATION_FILE', true),
  96                  'data'  => $model->getSafeData('config')
  97              ],
  98              'directories' => [
  99                  'title' => Text::_('COM_ADMIN_DIRECTORY_PERMISSIONS', true),
 100                  'data'  => $model->getSafeData('directory', true)
 101              ],
 102              'phpInfo' => [
 103                  'title' => Text::_('COM_ADMIN_PHP_INFORMATION', true),
 104                  'data'  => $model->getSafeData('phpInfoArray')
 105              ],
 106              'extensions' => [
 107                  'title' => Text::_('COM_ADMIN_EXTENSIONS', true),
 108                  'data'  => $model->getSafeData('extensions')
 109              ]
 110          ];
 111      }
 112  
 113      /**
 114       * Render a section
 115       *
 116       * @param   string   $sectionName  Name of the section to render
 117       * @param   array    $sectionData  Data of the section to render
 118       * @param   integer  $level        Depth level for indentation
 119       *
 120       * @return  string
 121       *
 122       * @since   3.5
 123       */
 124      protected function renderSection(string $sectionName, array $sectionData, int $level = 0): string
 125      {
 126          $lines = [];
 127  
 128          $margin = ($level > 0) ? str_repeat("\t", $level) : null;
 129  
 130          $lines[] = $margin . '=============';
 131          $lines[] = $margin . $sectionName;
 132          $lines[] = $margin . '=============';
 133          $level++;
 134  
 135          foreach ($sectionData as $name => $value) {
 136              if (\is_array($value)) {
 137                  if ($name == 'Directive') {
 138                      continue;
 139                  }
 140  
 141                  $lines[] = '';
 142                  $lines[] = $this->renderSection($name, $value, $level);
 143              } else {
 144                  if (\is_bool($value)) {
 145                      $value = $value ? 'true' : 'false';
 146                  }
 147  
 148                  if (\is_int($name) && ($name == 0 || $name == 1)) {
 149                      $name = ($name == 0 ? 'Local Value' : 'Master Value');
 150                  }
 151  
 152                  $lines[] = $margin . $name . ': ' . $value;
 153              }
 154          }
 155  
 156          return implode("\n", $lines);
 157      }
 158  
 159      /**
 160       * Specific rendering for directories
 161       *
 162       * @param   string   $sectionName  Name of the section
 163       * @param   array    $sectionData  Directories information
 164       * @param   integer  $level        Starting level
 165       *
 166       * @return  string
 167       *
 168       * @since   3.5
 169       */
 170      protected function renderDirectories(string $sectionName, array $sectionData, int $level = -1): string
 171      {
 172          foreach ($sectionData as $directory => $data) {
 173              $sectionData[$directory] = $data['writable'] ? ' writable' : ' NOT writable';
 174          }
 175  
 176          return $this->renderSection($sectionName, $sectionData, $level);
 177      }
 178  }