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6a488035 | 1 | <?php |
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2 | /* |
3 | +--------------------------------------------------------------------+ | |
232624b1 | 4 | | CiviCRM version 4.4 | |
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5 | +--------------------------------------------------------------------+ |
6 | | Copyright CiviCRM LLC (c) 2004-2013 | | |
7 | +--------------------------------------------------------------------+ | |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
10 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
11 | | under the terms of the GNU Affero General Public License | | |
12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
13 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
22 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
23 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
25 | +--------------------------------------------------------------------+ | |
26 | */ | |
27 | ||
28 | /** | |
29 | * | |
30 | * @package CRM | |
31 | * @copyright CiviCRM LLC (c) 2004-2013 | |
32 | * $Id$ | |
33 | * | |
34 | */ | |
35 | ||
36 | /** | |
37 | * Access Control Cache | |
38 | */ | |
39 | class CRM_ACL_BAO_Cache extends CRM_ACL_DAO_Cache { | |
40 | ||
41 | static $_cache = NULL; | |
42 | ||
43 | static function &build($id) { | |
44 | if (!self::$_cache) { | |
45 | self::$_cache = array(); | |
46 | } | |
47 | ||
48 | if (array_key_exists($id, self::$_cache)) { | |
49 | return self::$_cache[$id]; | |
50 | } | |
51 | ||
52 | // check if this entry exists in db | |
53 | // if so retrieve and return | |
54 | self::$_cache[$id] = self::retrieve($id); | |
55 | if (self::$_cache[$id]) { | |
56 | return self::$_cache[$id]; | |
57 | } | |
58 | ||
59 | self::$_cache[$id] = CRM_ACL_BAO_ACL::getAllByContact($id); | |
60 | self::store($id, self::$_cache[$id]); | |
61 | return self::$_cache[$id]; | |
62 | } | |
63 | ||
64 | static function retrieve($id) { | |
65 | $query = " | |
66 | SELECT acl_id | |
67 | FROM civicrm_acl_cache | |
68 | WHERE contact_id = %1 | |
69 | "; | |
70 | $params = array(1 => array($id, 'Integer')); | |
71 | ||
72 | if ($id == 0) { | |
73 | $query .= " OR contact_id IS NULL"; | |
74 | } | |
75 | ||
76 | $dao = CRM_Core_DAO::executeQuery($query, $params); | |
77 | ||
78 | $cache = array(); | |
79 | while ($dao->fetch()) { | |
80 | $cache[$dao->acl_id] = 1; | |
81 | } | |
82 | return $cache; | |
83 | } | |
84 | ||
85 | static function store($id, &$cache) { | |
86 | foreach ($cache as $aclID => $data) { | |
87 | $dao = new CRM_ACL_DAO_Cache(); | |
88 | if ($id) { | |
89 | $dao->contact_id = $id; | |
90 | } | |
91 | $dao->acl_id = $aclID; | |
92 | ||
93 | $cache[$aclID] = 1; | |
94 | ||
95 | $dao->save(); | |
96 | } | |
97 | } | |
98 | ||
99 | static function deleteEntry($id) { | |
100 | if (self::$_cache && | |
101 | array_key_exists($id, self::$_cache) | |
102 | ) { | |
103 | unset(self::$_cache[$id]); | |
104 | } | |
105 | ||
106 | $query = " | |
107 | DELETE FROM civicrm_acl_cache | |
108 | WHERE contact_id = %1 | |
109 | "; | |
110 | $params = array(1 => array($id, 'Integer')); | |
111 | $dao = CRM_Core_DAO::executeQuery($query, $params); | |
112 | } | |
113 | ||
114 | static function updateEntry($id) { | |
115 | // rebuilds civicrm_acl_cache | |
116 | self::deleteEntry($id); | |
117 | self::build($id); | |
118 | ||
119 | // rebuilds civicrm_acl_contact_cache | |
120 | CRM_Contact_BAO_Contact_Permission::cache($id, CRM_Core_Permission::VIEW, TRUE); | |
121 | } | |
122 | ||
123 | // deletes all the cache entries | |
124 | static function resetCache() { | |
125 | // reset any static caching | |
126 | self::$_cache = NULL; | |
127 | ||
128 | // reset any db caching | |
129 | $config = CRM_Core_Config::singleton(); | |
130 | $smartGroupCacheTimeout = CRM_Contact_BAO_GroupContactCache::smartGroupCacheTimeout(); | |
131 | ||
132 | //make sure to give original timezone settings again. | |
133 | $now = CRM_Utils_Date::getUTCTime(); | |
134 | ||
135 | $query = " | |
136 | DELETE | |
137 | FROM civicrm_acl_cache | |
138 | WHERE modified_date IS NULL | |
139 | OR (TIMESTAMPDIFF(MINUTE, modified_date, $now) >= $smartGroupCacheTimeout) | |
140 | "; | |
141 | CRM_Core_DAO::singleValueQuery($query); | |
142 | ||
cded6e48 TO |
143 | // CRM_Core_DAO::singleValueQuery("TRUNCATE TABLE civicrm_acl_contact_cache"); // No, force-commits transaction |
144 | // CRM_Core_DAO::singleValueQuery("DELETE FROM civicrm_acl_contact_cache"); // Transaction-safe | |
145 | if (CRM_Core_Transaction::isActive()) { | |
146 | CRM_Core_Transaction::addCallback(CRM_Core_Transaction::PHASE_POST_COMMIT, function(){ | |
147 | CRM_Core_DAO::singleValueQuery("TRUNCATE TABLE civicrm_acl_contact_cache"); | |
148 | }); | |
149 | } else { | |
150 | CRM_Core_DAO::singleValueQuery("TRUNCATE TABLE civicrm_acl_contact_cache"); | |
151 | } | |
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152 | } |
153 | } | |
154 |