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   1  <?php
   2  /**
   3   *
   4   * This file is part of the phpBB Forum Software package.
   5   *
   6   * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7   * @license GNU General Public License, version 2 (GPL-2.0)
   8   *
   9   * For full copyright and license information, please see
  10   * the docs/CREDITS.txt file.
  11   *
  12   */
  13  
  14  namespace phpbb\install\helper;
  15  
  16  use phpbb\install\exception\cannot_build_container_exception;
  17  use phpbb\language\language;
  18  use phpbb\request\request;
  19  
  20  class container_factory
  21  {
  22      /**
  23       * @var language
  24       */
  25      protected $language;
  26  
  27      /**
  28       * @var string
  29       */
  30      protected $phpbb_root_path;
  31  
  32      /**
  33       * @var string
  34       */
  35      protected $php_ext;
  36  
  37      /**
  38       * @var request
  39       */
  40      protected $request;
  41  
  42      /**
  43       * @var update_helper
  44       */
  45      protected $update_helper;
  46  
  47      /**
  48       * The full phpBB container
  49       *
  50       * @var \Symfony\Component\DependencyInjection\ContainerInterface
  51       */
  52      protected $container;
  53  
  54      /**
  55       * Constructor
  56       *
  57       * @param language         $language            Language service
  58       * @param request        $request            Request interface
  59       * @param update_helper    $update_helper        Update helper
  60       * @param string        $phpbb_root_path    Path to phpBB's root
  61       * @param string        $php_ext            Extension of PHP files
  62       */
  63  	public function __construct(language $language, request $request, update_helper $update_helper, $phpbb_root_path, $php_ext)
  64      {
  65          $this->language            = $language;
  66          $this->request            = $request;
  67          $this->update_helper    = $update_helper;
  68          $this->phpbb_root_path    = $phpbb_root_path;
  69          $this->php_ext            = $php_ext;
  70          $this->container        = null;
  71      }
  72  
  73      /**
  74       * Container getter
  75       *
  76       * @param null|string    $service_name    Name of the service to return
  77       *
  78       * @return \Symfony\Component\DependencyInjection\ContainerInterface|Object    phpBB's dependency injection container
  79       *                                                                             or the service specified in $service_name
  80       *
  81       * @throws cannot_build_container_exception                                                        When container cannot be built
  82       * @throws \Symfony\Component\DependencyInjection\Exception\InvalidArgumentException            If the service is not defined
  83       * @throws \Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException    When a circular reference is detected
  84       * @throws \Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException            When the service is not defined
  85       */
  86  	public function get($service_name = null)
  87      {
  88          // Check if container was built, if not try to build it
  89          if ($this->container === null)
  90          {
  91              $this->build_container();
  92          }
  93  
  94          return ($service_name === null) ? $this->container : $this->container->get($service_name);
  95      }
  96  
  97      /**
  98       * Returns the specified parameter from the container
  99       *
 100       * @param string    $param_name
 101       *
 102       * @return mixed
 103       *
 104       * @throws cannot_build_container_exception    When container cannot be built
 105       */
 106  	public function get_parameter($param_name)
 107      {
 108          // Check if container was built, if not try to build it
 109          if ($this->container === null)
 110          {
 111              $this->build_container();
 112          }
 113  
 114          return $this->container->getParameter($param_name);
 115      }
 116  
 117      /**
 118       * Build dependency injection container
 119       *
 120       * @throws cannot_build_container_exception    When container cannot be built
 121       */
 122  	protected function build_container()
 123      {
 124          // If the container has been already built just return.
 125          // Although this should never happen
 126          if ($this->container instanceof \Symfony\Component\DependencyInjection\ContainerInterface)
 127          {
 128              return;
 129          }
 130  
 131          // Check whether container can be built
 132          // We need config.php for that so let's check if it has been set up yet
 133          if (!filesize($this->phpbb_root_path . 'config.' . $this->php_ext))
 134          {
 135              throw new cannot_build_container_exception();
 136          }
 137  
 138          $disable_super_globals = $this->request->super_globals_disabled();
 139  
 140          // This is needed because container_builder::get_env_parameters() uses $_SERVER
 141          if ($disable_super_globals)
 142          {
 143              $this->request->enable_super_globals();
 144          }
 145  
 146          $phpbb_config_php_file = new \phpbb\config_php_file($this->phpbb_root_path, $this->php_ext);
 147          $phpbb_container_builder = new \phpbb\di\container_builder($this->phpbb_root_path, $this->php_ext);
 148  
 149          // For BC with functions that we need during install
 150          global $phpbb_container, $table_prefix;
 151  
 152          $other_config_path = $this->phpbb_root_path . 'install/update/new/config';
 153          $config_path = (is_dir($other_config_path)) ? $other_config_path : $this->phpbb_root_path . 'config';
 154  
 155          $this->container = $phpbb_container_builder
 156              ->with_environment('production')
 157              ->with_config($phpbb_config_php_file)
 158              ->with_config_path($config_path)
 159              ->without_compiled_container()
 160              ->get_container();
 161  
 162          // Setting request is required for the compatibility globals as those are generated from
 163          // this container
 164          if (!$this->container->isFrozen())
 165          {
 166              $this->container->register('request')->setSynthetic(true);
 167              $this->container->register('language')->setSynthetic(true);
 168          }
 169  
 170          $this->container->set('request', $this->request);
 171          $this->container->set('language', $this->language);
 172  
 173          $this->container->compile();
 174  
 175          $phpbb_container = $this->container;
 176          $table_prefix = $phpbb_config_php_file->get('table_prefix');
 177  
 178          // Restore super globals to previous state
 179          if ($disable_super_globals)
 180          {
 181              $this->request->disable_super_globals();
 182          }
 183  
 184          // Get compatibility globals and constants
 185          $this->update_helper->include_file('includes/compatibility_globals.' . $this->php_ext);
 186  
 187          $this->update_helper->include_file('includes/constants.' . $this->php_ext);
 188  
 189          register_compatibility_globals();
 190      }
 191  }