CakePHP – ACL再入門(8)

やっぱりACLは難しい。整理の意味も含めてもう一度入門しておく。(今回はCakePHP1.3.2です)

app_controller.phpを作る

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▼app_controller.php

<?php
class AppController extends Controller {
    var $components = array('Acl', 'Auth', 'Session');
    var $helpers = array('Html', 'Session');

    function beforeFilter() {
  // settings for AuthComponent
  $this->Auth->authorize  = 'actions';
  $this->Auth->loginAction = array('controller' => 'users', 'action' => 'login');
  $this->Auth->logoutRedirect = array('controller' => 'users', 'action' => 'login');
  //$this->Auth->loginRedirect = array('controller' => 'posts', 'action' => 'add');
  $this->Auth->actionPath  = 'controllers/';

  Configure::write('debug', 2);
  //$this->build_acl();

  if($this->Auth->user('id')){
   $isLogin = 1;
   $userName= $this->Auth->user('username');
  }else{
   $isLogin = null;
   $userName= null;
  }
  $this->set(compact('isLogin', 'userName'));
    }
 function build_acl() {
  if (!Configure::read('debug')) {
   return $this->_stop();
  }
  $log = array();

  $aco =& $this->Acl->Aco;
  $root = $aco->node('controllers');
  if (!$root) {
   $aco->create(array('parent_id' => null, 'model' => null, 'alias' => 'controllers'));
   $root = $aco->save();
   $root['Aco']['id'] = $aco->id;
   $log[] = 'Created Aco node for controllers';
  } else {
   $root = $root[0];
  }  

  App::import('Core', 'File');
  $Controllers = Configure::listObjects('controller');
  $appIndex = array_search('App', $Controllers);
  if ($appIndex !== false ) {
   unset($Controllers[$appIndex]);
  }
  $baseMethods = get_class_methods('Controller');
  $baseMethods[] = 'buildAcl';

  $Plugins = $this->_getPluginControllerNames();
  $Controllers = array_merge($Controllers, $Plugins);

  // look at each controller in app/controllers
  foreach ($Controllers as $ctrlName) {
   $methods = $this->_getClassMethods($this->_getPluginControllerPath($ctrlName));

   // Do all Plugins First
   if ($this->_isPlugin($ctrlName)){
    $pluginNode = $aco->node('controllers/'.$this->_getPluginName($ctrlName));
    if (!$pluginNode) {
     $aco->create(array('parent_id' => $root['Aco']['id'], 'model' => null, 'alias' => $this->_getPluginName($ctrlName)));
     $pluginNode = $aco->save();
     $pluginNode['Aco']['id'] = $aco->id;
     $log[] = 'Created Aco node for ' . $this->_getPluginName($ctrlName) . ' Plugin';
    }
   }
   // find / make controller node
   $controllerNode = $aco->node('controllers/'.$ctrlName);
   if (!$controllerNode) {
    if ($this->_isPlugin($ctrlName)){
     $pluginNode = $aco->node('controllers/' . $this->_getPluginName($ctrlName));
     $aco->create(array('parent_id' => $pluginNode['0']['Aco']['id'], 'model' => null, 'alias' => $this->_getPluginControllerName($ctrlName)));
     $controllerNode = $aco->save();
     $controllerNode['Aco']['id'] = $aco->id;
     $log[] = 'Created Aco node for ' . $this->_getPluginControllerName($ctrlName) . ' ' . $this->_getPluginName($ctrlName) . ' Plugin Controller';
    } else {
     $aco->create(array('parent_id' => $root['Aco']['id'], 'model' => null, 'alias' => $ctrlName));
     $controllerNode = $aco->save();
     $controllerNode['Aco']['id'] = $aco->id;
     $log[] = 'Created Aco node for ' . $ctrlName;
    }
   } else {
    $controllerNode = $controllerNode[0];
   }

   //clean the methods. to remove those in Controller and private actions.
   foreach ($methods as $k => $method) {
    if (strpos($method, '_', 0) === 0) {
     unset($methods[$k]);
     continue;
    }
    if (in_array($method, $baseMethods)) {
     unset($methods[$k]);
     continue;
    }
    $methodNode = $aco->node('controllers/'.$ctrlName.'/'.$method);
    if (!$methodNode) {
     $aco->create(array('parent_id' => $controllerNode['Aco']['id'], 'model' => null, 'alias' => $method));
     $methodNode = $aco->save();
     $log[] = 'Created Aco node for '. $method;
    }
   }
  }
  if(count($log)>0) {
   debug($log);
  }
 }

 function _getClassMethods($ctrlName = null) {
  App::import('Controller', $ctrlName);
  if (strlen(strstr($ctrlName, '.')) > 0) {
   // plugin's controller
   $num = strpos($ctrlName, '.');
   $ctrlName = substr($ctrlName, $num+1);
  }
  $ctrlclass = $ctrlName . 'Controller';
  return get_class_methods($ctrlclass);
 }

 function _isPlugin($ctrlName = null) {
  $arr = String::tokenize($ctrlName, '/');
  if (count($arr) > 1) {
   return true;
  } else {
   return false;
  }
 }

 function _getPluginControllerPath($ctrlName = null) {
  $arr = String::tokenize($ctrlName, '/');
  if (count($arr) == 2) {
   return $arr[0] . '.' . $arr[1];
  } else {
   return $arr[0];
  }
 }

 function _getPluginName($ctrlName = null) {
  $arr = String::tokenize($ctrlName, '/');
  if (count($arr) == 2) {
   return $arr[0];
  } else {
   return false;
  }
 }

 function _getPluginControllerName($ctrlName = null) {
  $arr = String::tokenize($ctrlName, '/');
  if (count($arr) == 2) {
   return $arr[1];
  } else {
   return false;
  }
 }

/**
 * Get the names of the plugin controllers ...
 *
 * This function will get an array of the plugin controller names, and
 * also makes sure the controllers are available for us to get the
 * method names by doing an App::import for each plugin controller.
 *
 * @return array of plugin names.
 *
 */
 function _getPluginControllerNames() {
  App::import('Core', 'File', 'Folder');
  $paths = Configure::getInstance();
  $folder =& new Folder();
  $folder->cd(APP . 'plugins');

  // Get the list of plugins
  $Plugins = $folder->read();
  $Plugins = $Plugins[0];
  $arr = array();

  // Loop through the plugins
  foreach($Plugins as $pluginName) {
   // Change directory to the plugin
   $didCD = $folder->cd(APP . 'plugins'. DS . $pluginName . DS . 'controllers');
   // Get a list of the files that have a file name that ends
   // with controller.php
   $files = $folder->findRecursive('.*_controller\.php');

   // Loop through the controllers we found in the plugins directory
   foreach($files as $fileName) {
    // Get the base file name
    $file = basename($fileName);

    // Get the controller name
    $file = Inflector::camelize(substr($file, 0, strlen($file)-strlen('_controller.php')));
    if (!preg_match('/^'. Inflector::humanize($pluginName). 'App/', $file)) {
     if (!App::import('Controller', $pluginName.'.'.$file)) {
      debug('Error importing '.$file.' for plugin '.$pluginName);
     } else {
      /// Now prepend the Plugin name ...
      // This is required to allow us to fetch the method names.
      $arr[] = Inflector::humanize($pluginName) . "/" . $file;
     }
    }
   }
  }
  return $arr;
 }

}
?>

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