[Summary view] [Print] [Text view]

   1  <?php
   2  
   3  /**
   4   * @package    Joomla.API
   5   *
   6   * @copyright  (C) 2019 Open Source Matters, Inc. <https://www.joomla.org>
   7   * @license    GNU General Public License version 2 or later; see LICENSE.txt
   8   */
   9  
  10  defined('_JEXEC') or die;
  11  
  12  use Joomla\CMS\Version;
  13  use Joomla\Utilities\IpHelper;
  14  
  15  // System includes
  16  require_once JPATH_LIBRARIES . '/bootstrap.php';
  17  
  18  // Installation check, and check on removal of the install directory.
  19  if (
  20      !file_exists(JPATH_CONFIGURATION . '/configuration.php')
  21      || (filesize(JPATH_CONFIGURATION . '/configuration.php') < 10)
  22      || (file_exists(JPATH_INSTALLATION . '/index.php') && (false === (new Version())->isInDevelopmentState()))
  23  ) {
  24      if (file_exists(JPATH_INSTALLATION . '/index.php')) {
  25          header('HTTP/1.1 500 Internal Server Error');
  26          echo json_encode(
  27              array('error' => 'You must install Joomla to use the API')
  28          );
  29  
  30          exit();
  31      } else {
  32          header('HTTP/1.1 500 Internal Server Error');
  33          echo json_encode(
  34              array('error' => 'No configuration file found and no installation code available. Exiting...')
  35          );
  36  
  37          exit;
  38      }
  39  }
  40  
  41  // Pre-Load configuration. Don't remove the Output Buffering due to BOM issues, see JCode 26026
  42  ob_start();
  43  require_once JPATH_CONFIGURATION . '/configuration.php';
  44  ob_end_clean();
  45  
  46  // System configuration.
  47  $config = new JConfig();
  48  
  49  // Set the error_reporting
  50  switch ($config->error_reporting) {
  51      case 'default':
  52      case '-1':
  53          break;
  54  
  55      case 'none':
  56      case '0':
  57          error_reporting(0);
  58  
  59          break;
  60  
  61      case 'simple':
  62          error_reporting(E_ERROR | E_WARNING | E_PARSE);
  63          ini_set('display_errors', 1);
  64  
  65          break;
  66  
  67      case 'maximum':
  68      case 'development': // <= Stays for backward compatibility, @TODO: can be removed in 5.0
  69          error_reporting(E_ALL);
  70          ini_set('display_errors', 1);
  71  
  72          break;
  73  
  74      default:
  75          error_reporting($config->error_reporting);
  76          ini_set('display_errors', 1);
  77  
  78          break;
  79  }
  80  
  81  define('JDEBUG', $config->debug);
  82  
  83  // Check deprecation logging
  84  if (empty($config->log_deprecated)) {
  85      // Reset handler for E_USER_DEPRECATED
  86      set_error_handler(null, E_USER_DEPRECATED);
  87  } else {
  88      // Make sure handler for E_USER_DEPRECATED is registered
  89      set_error_handler(['Joomla\CMS\Exception\ExceptionHandler', 'handleUserDeprecatedErrors'], E_USER_DEPRECATED);
  90  }
  91  
  92  if (JDEBUG || $config->error_reporting === 'maximum') {
  93      // Set new Exception handler with debug enabled
  94      $errorHandler->setExceptionHandler(
  95          [
  96              new \Symfony\Component\ErrorHandler\ErrorHandler(null, true),
  97              'renderException',
  98          ]
  99      );
 100  }
 101  
 102  /**
 103   * Correctly set the allowing of IP Overrides if behind a trusted proxy/load balancer.
 104   *
 105   * We need to do this as high up the stack as we can, as the default in \Joomla\Utilities\IpHelper is to
 106   * $allowIpOverride = true which is the wrong default for a generic site NOT behind a trusted proxy/load balancer.
 107   */
 108  if (property_exists($config, 'behind_loadbalancer') && $config->behind_loadbalancer == 1) {
 109      // If Joomla is configured to be behind a trusted proxy/load balancer, allow HTTP Headers to override the REMOTE_ADDR
 110      IpHelper::setAllowIpOverrides(true);
 111  } else {
 112      // We disable the allowing of IP overriding using headers by default.
 113      IpHelper::setAllowIpOverrides(false);
 114  }
 115  
 116  unset($config);