1: <?php
 2: /**
 3:  * Sam_Driver factory.
 4:  *
 5:  * Copyright 2011-2012 Horde LLC (http://www.horde.org/)
 6:  *
 7:  * See the enclosed file COPYING for license information (GPL). If you
 8:  * did not receive this file, see http://www.horde.org/licenses/gpl.
 9:  *
10:  * @author   Jan Schneider <jan@horde.org>
11:  * @category Horde
12:  * @license  http://www.horde.org/licenses/gpl GPL
13:  * @package  Sam
14:  */
15: class Sam_Factory_Driver extends Horde_Core_Factory_Injector
16: {
17:     /**
18:      * @var array
19:      */
20:     private $_instances = array();
21: 
22:     /**
23:      * Return an Sam_Driver_Base instance.
24:      *
25:      * @return Sam_Driver_Base
26:      * @throws Sam_Exception
27:      */
28:     public function create(Horde_Injector $injector)
29:     {
30:         $backend = Sam::getPreferredBackend();
31:         $signature = hash('md5', serialize($backend));
32: 
33:         if (empty($this->_instances[$signature])) {
34:             $user = Sam::mapUser($backend['hordeauth']);
35: 
36:             switch ($backend['driver']) {
37:             case 'Amavisd_Sql':
38:             case 'Spamd_Sql':
39:                 try {
40:                     $db = $injector->getInstance('Horde_Core_Factory_Db')
41:                         ->create('sam', array_merge(Horde::getDriverConfig(null, 'sql'), $backend['params']));
42:                 } catch (Horde_Exception $e) {
43:                     throw new Sam_Exception($e);
44:                 }
45:                 $params = array_merge($backend['params'], array('db' => $db));
46:                 break;
47: 
48:             case 'Spamd_Ldap':
49:                 $params = array_merge(
50:                     array('binddn' => sprintf('%s=%s,%s',
51:                                               $backend['params']['uid'],
52:                                               $user,
53:                                               $backend['params']['basedn']),
54:                           'bindpw' => $GLOBALS['registry']->getAuthCredential('password')),
55:                     $backend['params']);
56:                 try {
57:                     $ldap = $injector->getInstance('Horde_Core_Factory_Ldap')
58:                         ->create('sam', $params);
59:                 } catch (Horde_Exception $e) {
60:                     throw new Sam_Exception($e);
61:                 }
62:                 $params = array_merge($backend['params'], array('ldap' => $ldap));
63:                 break;
64: 
65:             case 'Spamd_Ftp':
66:                 $params = array_merge(
67:                     array('username' => $user,
68:                           'password' => $GLOBALS['registry']->getAuthCredential('password')),
69:                     $backend['params']);
70:                 try {
71:                     $vfs = $injector->getInstance('Horde_Core_Factory_Vfs')
72:                         ->create('sam',
73:                                  array('type' => 'ftp',
74:                                        'params' => $params));
75:                 } catch (Horde_Exception $e) {
76:                     throw new Sam_Exception($e);
77:                 }
78:                 $params = array_merge($backend['params'], array('vfs' => $vfs));
79:                 break;
80:             }
81: 
82:             $class = 'Sam_Driver_' . $backend['driver'];
83:             $this->_instances[$signature] = new $class($user, $params);
84:         }
85: 
86:         return $this->_instances[$signature];
87:     }
88: }
89: