1: <?php
 2: /**
 3:  * Maps a single Kolab_Storage ACL element to the Horde permission system.
 4:  *
 5:  * PHP version 5
 6:  *
 7:  * @category Horde
 8:  * @package  Perms
 9:  * @author   Gunnar Wrobel <wrobel@pardus.de>
10:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
11:  * @link     http://pear.horde.org/index.php?package=Perms
12:  */
13: 
14: /**
15:  * Maps a single Kolab_Storage ACL element to the Horde permission system.
16:  *
17:  * Copyright 2006-2012 Horde LLC (http://www.horde.org/)
18:  *
19:  * See the enclosed file COPYING for license information (LGPL). If you
20:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
21:  *
22:  * @category Horde
23:  * @package  Perms
24:  * @author   Gunnar Wrobel <wrobel@pardus.de>
25:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
26:  * @link     http://pear.horde.org/index.php?package=Perms
27:  */
28: abstract class Horde_Perms_Permission_Kolab_Acl
29: {
30:     /**
31:      * The ACL.
32:      *
33:      * @var string
34:      */
35:     private $_acl;
36: 
37:     /**
38:      * Constructor.
39:      *
40:      * @param string $acl The folder ACL element as provided by the driver.
41:      */
42:     public function __construct($acl)
43:     {
44:         $this->_acl = $acl;
45:     }
46: 
47:     /**
48:      * Convert the Acl string to a Horde_Perms:: mask and store it in the
49:      * provided data array.
50:      *
51:      * @param array &$data The horde permission data.
52:      *
53:      * @return NULL
54:      */
55:     abstract public function toHorde(array &$data);
56: 
57:     /**
58:      * Convert the Acl string to a Horde_Perms:: mask.
59:      *
60:      * @return int The permission mask
61:      */
62:     protected function convertAclToMask()
63:     {
64:         $result = 0;
65:         if (strpos($this->_acl, 'l') !== false) {
66:             $result |= Horde_Perms::SHOW;
67:         }
68:         if (strpos($this->_acl, 'r') !== false) {
69:             $result |= Horde_Perms::READ;
70:         }
71:         if (strpos($this->_acl, 'i') !== false) {
72:             $result |= Horde_Perms::EDIT;
73:         }
74:         if (strpos($this->_acl, 'd') !== false ||
75:             strpos($this->_acl, 't') !== false) {
76:             $result |= Horde_Perms::DELETE;
77:         }
78:         return $result;
79:     }
80: }
81: