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/phpbb/controller/ -> resolver.php (source)

   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\controller;
  15  
  16  use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
  17  use Symfony\Component\DependencyInjection\ContainerInterface;
  18  use Symfony\Component\HttpFoundation\Request;
  19  
  20  /**
  21  * Controller manager class
  22  */
  23  class resolver implements ControllerResolverInterface
  24  {
  25      /**
  26      * User object
  27      * @var \phpbb\user
  28      */
  29      protected $user;
  30  
  31      /**
  32      * ContainerInterface object
  33      * @var ContainerInterface
  34      */
  35      protected $container;
  36  
  37      /**
  38      * phpbb\template\template object
  39      * @var \phpbb\template\template
  40      */
  41      protected $template;
  42  
  43      /**
  44      * Request type cast helper object
  45      * @var \phpbb\request\type_cast_helper
  46      */
  47      protected $type_cast_helper;
  48  
  49      /**
  50      * phpBB root path
  51      * @var string
  52      */
  53      protected $phpbb_root_path;
  54  
  55      /**
  56      * Construct method
  57      *
  58      * @param \phpbb\user $user User Object
  59      * @param ContainerInterface $container ContainerInterface object
  60      * @param string $phpbb_root_path Relative path to phpBB root
  61      * @param \phpbb\template\template $template
  62      */
  63  	public function __construct(\phpbb\user $user, ContainerInterface $container, $phpbb_root_path, \phpbb\template\template $template = null)
  64      {
  65          $this->user = $user;
  66          $this->container = $container;
  67          $this->template = $template;
  68          $this->type_cast_helper = new \phpbb\request\type_cast_helper();
  69          $this->phpbb_root_path = $phpbb_root_path;
  70      }
  71  
  72      /**
  73      * Load a controller callable
  74      *
  75      * @param \Symfony\Component\HttpFoundation\Request $request Symfony Request object
  76      * @return bool|Callable Callable or false
  77      * @throws \phpbb\controller\exception
  78      */
  79  	public function getController(Request $request)
  80      {
  81          $controller = $request->attributes->get('_controller');
  82  
  83          if (!$controller)
  84          {
  85              throw new \phpbb\controller\exception($this->user->lang['CONTROLLER_NOT_SPECIFIED']);
  86          }
  87  
  88          // Require a method name along with the service name
  89          if (stripos($controller, ':') === false)
  90          {
  91              throw new \phpbb\controller\exception($this->user->lang['CONTROLLER_METHOD_NOT_SPECIFIED']);
  92          }
  93  
  94          list($service, $method) = explode(':', $controller);
  95  
  96          if (!$this->container->has($service))
  97          {
  98              throw new \phpbb\controller\exception($this->user->lang('CONTROLLER_SERVICE_UNDEFINED', $service));
  99          }
 100  
 101          $controller_object = $this->container->get($service);
 102  
 103          /*
 104          * If this is an extension controller, we'll try to automatically set
 105          * the style paths for the extension (the ext author can change them
 106          * if necessary).
 107          */
 108          $controller_dir = explode('\\', get_class($controller_object));
 109  
 110          // 0 vendor, 1 extension name, ...
 111          if (!is_null($this->template) && isset($controller_dir[1]))
 112          {
 113              $controller_style_dir = 'ext/' . $controller_dir[0] . '/' . $controller_dir[1] . '/styles';
 114  
 115              if (is_dir($this->phpbb_root_path . $controller_style_dir))
 116              {
 117                  $this->template->set_style(array($controller_style_dir, 'styles'));
 118              }
 119          }
 120  
 121          return array($controller_object, $method);
 122      }
 123  
 124      /**
 125      * Dependencies should be specified in the service definition and can be
 126      * then accessed in __construct(). Arguments are sent through the URL path
 127      * and should match the parameters of the method you are using as your
 128      * controller.
 129      *
 130      * @param \Symfony\Component\HttpFoundation\Request $request Symfony Request object
 131      * @param mixed $controller A callable (controller class, method)
 132      * @return array An array of arguments to pass to the controller
 133      * @throws \phpbb\controller\exception
 134      */
 135  	public function getArguments(Request $request, $controller)
 136      {
 137          // At this point, $controller contains the object and method name
 138          list($object, $method) = $controller;
 139          $mirror = new \ReflectionMethod($object, $method);
 140  
 141          $arguments = array();
 142          $parameters = $mirror->getParameters();
 143          $attributes = $request->attributes->all();
 144          foreach ($parameters as $param)
 145          {
 146              if (array_key_exists($param->name, $attributes))
 147              {
 148                  if (is_string($attributes[$param->name]))
 149                  {
 150                      $value = $attributes[$param->name];
 151                      $this->type_cast_helper->set_var($value, $attributes[$param->name], 'string', true, false);
 152                      $arguments[] = $value;
 153                  }
 154                  else
 155                  {
 156                      $arguments[] = $attributes[$param->name];
 157                  }
 158              }
 159              else if ($param->getClass() && $param->getClass()->isInstance($request))
 160              {
 161                  $arguments[] = $request;
 162              }
 163              else if ($param->isDefaultValueAvailable())
 164              {
 165                  $arguments[] = $param->getDefaultValue();
 166              }
 167              else
 168              {
 169                  throw new \phpbb\controller\exception($this->user->lang('CONTROLLER_ARGUMENT_VALUE_MISSING', $param->getPosition() + 1, get_class($object) . ':' . $method, $param->name));
 170              }
 171          }
 172  
 173          return $arguments;
 174      }
 175  }


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