1: <?php
  2: /**
  3:  * Copyright 2013-2014 Horde LLC (http://www.horde.org/)
  4:  *
  5:  * See the enclosed file COPYING for license information (GPL). If you
  6:  * did not receive this file, see http://www.horde.org/licenses/gpl.
  7:  *
  8:  * @category  Horde
  9:  * @copyright 2010-2014 Horde LLC
 10:  * @license   http://www.horde.org/licenses/gpl GPL
 11:  * @package   IMP
 12:  */
 13: 
 14: /**
 15:  * A Horde_Injector based IMP_Spam factory.
 16:  *
 17:  * @author    Michael Slusarz <slusarz@horde.org>
 18:  * @category  Horde
 19:  * @copyright 2013-2014 Horde LLC
 20:  * @license   http://www.horde.org/licenses/gpl GPL
 21:  * @package   IMP
 22:  */
 23: class IMP_Factory_Spam extends Horde_Core_Factory_Base
 24: {
 25:     /**
 26:      * Instances.
 27:      *
 28:      * @var array
 29:      */
 30:     private $_instances = array();
 31: 
 32:     /**
 33:      * Return a IMP_Spam instance.
 34:      *
 35:      * @param integer $action  Either IMP_Spam::SPAM or IMP_Spam::INNOCENT.
 36:      *
 37:      * @return IMP_Spam  The spam instance.
 38:      * @throws IMP_Exception
 39:      */
 40:     public function create($action)
 41:     {
 42:         if (!isset($this->_instances[$action])) {
 43:             switch ($action) {
 44:             case IMP_Spam::INNOCENT:
 45:                 $config = $this->_injector->getInstance('IMP_Factory_Imap')->create()->config->innocent_params;
 46:                 break;
 47: 
 48:             case IMP_Spam::SPAM:
 49:                 $config = $this->_injector->getInstance('IMP_Factory_Imap')->create()->config->spam_params;
 50:                 break;
 51:             }
 52: 
 53:             $drivers = (!empty($config['drivers']) && is_array($config['drivers']))
 54:                 ? $config['drivers']
 55:                 : array();
 56: 
 57:             if (!empty($config['program'])) {
 58:                 $drivers[] = new IMP_Spam_Program(
 59:                     $this->_expand($config['program'], true)
 60:                 );
 61:             }
 62: 
 63:             if (!empty($config['email'])) {
 64:                 $drivers[] = new IMP_Spam_Email(
 65:                     $this->_expand($config['email']),
 66:                     empty($config['email_format']) ? 'digest' : $config['email_format']
 67:                 );
 68:             }
 69: 
 70:             if (!empty($config['null'])) {
 71:                 $drivers[] = new IMP_Spam_Null($config['null']);
 72:             }
 73: 
 74:             $this->_instances[$action] = new IMP_Spam($action, $drivers);
 75:         }
 76: 
 77:         return $this->_instances[$action];
 78:     }
 79: 
 80:     /**
 81:      * Expand placeholders in 'email' and 'program' options.
 82:      *
 83:      * @param string $str      The option.
 84:      * @param boolean $escape  Shell escape the replacements?
 85:      *
 86:      * @return string  The expanded option.
 87:      */
 88:     private function _expand($str, $escape = false)
 89:     {
 90:         global $registry;
 91: 
 92:         $replace = array(
 93:             '%u' => $registry->getAuth(),
 94:             '%l' => $registry->getAuth('bare'),
 95:             '%d' => $registry->getAuth('domain')
 96:         );
 97: 
 98:         return str_replace(
 99:             array_keys($replace),
100:             $escape ? array_map('escapeshellarg', array_values($replace)) : array_values($replace),
101:             $str
102:         );
103:     }
104: 
105: }
106: