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6a488035 | 1 | <?php |
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2 | /* |
3 | +--------------------------------------------------------------------+ | |
39de6fd5 | 4 | | CiviCRM version 4.6 | |
6a488035 | 5 | +--------------------------------------------------------------------+ |
06b69b18 | 6 | | Copyright CiviCRM LLC (c) 2004-2014 | |
6a488035 TO |
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 | |
06b69b18 | 31 | * @copyright CiviCRM LLC (c) 2004-2014 |
6a488035 TO |
32 | * $Id$ |
33 | * | |
34 | */ | |
35 | class CRM_ACL_API { | |
36 | ||
37 | /** | |
38 | * The various type of permissions | |
39 | * | |
40 | * @var int | |
41 | */ | |
7da04cde TO |
42 | const EDIT = 1; |
43 | const VIEW = 2; | |
44 | const DELETE = 3; | |
45 | const CREATE = 4; | |
46 | const SEARCH = 5; | |
47 | const ALL = 6; | |
6a488035 TO |
48 | |
49 | /** | |
100fef9d | 50 | * Given a permission string, check for access requirements |
6a488035 | 51 | * |
b758c7d5 TO |
52 | * @param string $str |
53 | * The permission to check. | |
54 | * @param int $contactID | |
55 | * The contactID for whom the check is made. | |
6a488035 TO |
56 | * |
57 | * @return boolean true if yes, else false | |
58 | * @static | |
6a488035 | 59 | */ |
00be9182 | 60 | public static function check($str, $contactID = NULL) { |
6a488035 TO |
61 | if ($contactID == NULL) { |
62 | $session = CRM_Core_Session::singleton(); | |
63 | $contactID = $session->get('userID'); | |
64 | } | |
65 | ||
66 | if (!$contactID) { | |
67 | // anonymous user | |
68 | $contactID = 0; | |
69 | } | |
70 | ||
71 | return CRM_ACL_BAO_ACL::check($str, $contactID); | |
72 | } | |
73 | ||
74 | /** | |
75 | * Get the permissioned where clause for the user | |
76 | * | |
b758c7d5 TO |
77 | * @param int $type |
78 | * The type of permission needed. | |
79 | * @param array $tables | |
80 | * (reference ) add the tables that are needed for the select clause. | |
81 | * @param array $whereTables | |
82 | * (reference ) add the tables that are needed for the where clause. | |
83 | * @param int $contactID | |
84 | * The contactID for whom the check is made. | |
85 | * @param bool $onlyDeleted | |
86 | * Whether to include only deleted contacts. | |
87 | * @param bool $skipDeleteClause | |
88 | * Don't add delete clause if this is true,. | |
6a488035 TO |
89 | * this means it is handled by generating query |
90 | * | |
91 | * @return string the group where clause for this user | |
6a488035 TO |
92 | */ |
93 | public static function whereClause($type, | |
94 | &$tables, | |
95 | &$whereTables, | |
96 | $contactID = NULL, | |
97 | $onlyDeleted = FALSE, | |
98 | $skipDeleteClause = FALSE | |
99 | ) { | |
100 | // the default value which is valid for rhe final AND | |
101 | $deleteClause = ' ( 1 ) '; | |
102 | if (!$skipDeleteClause) { | |
103 | if (CRM_Core_Permission::check('access deleted contacts') and $onlyDeleted) { | |
104 | $deleteClause = '(contact_a.is_deleted)'; | |
105 | } | |
106 | else { | |
107 | // CRM-6181 | |
108 | $deleteClause = '(contact_a.is_deleted = 0)'; | |
109 | } | |
110 | } | |
111 | ||
112 | // first see if the contact has edit / view all contacts | |
113 | if (CRM_Core_Permission::check('edit all contacts') || | |
114 | ($type == self::VIEW && | |
115 | CRM_Core_Permission::check('view all contacts') | |
116 | ) | |
117 | ) { | |
118 | return $skipDeleteClause ? ' ( 1 ) ' : $deleteClause; | |
119 | } | |
120 | ||
121 | if ($contactID == NULL) { | |
122 | $session = CRM_Core_Session::singleton(); | |
123 | $contactID = $session->get('userID'); | |
124 | } | |
125 | ||
126 | if (!$contactID) { | |
127 | // anonymous user | |
128 | $contactID = 0; | |
129 | } | |
130 | ||
131 | return implode(' AND ', | |
132 | array( | |
133 | CRM_ACL_BAO_ACL::whereClause($type, | |
134 | $tables, | |
135 | $whereTables, | |
136 | $contactID | |
137 | ), | |
138 | $deleteClause, | |
139 | ) | |
140 | ); | |
141 | } | |
142 | ||
143 | /** | |
100fef9d | 144 | * Get all the groups the user has access to for the given operation |
6a488035 | 145 | * |
b758c7d5 TO |
146 | * @param int $type |
147 | * The type of permission needed. | |
148 | * @param int $contactID | |
149 | * The contactID for whom the check is made. | |
fd31fa4c EM |
150 | * |
151 | * @param string $tableName | |
152 | * @param null $allGroups | |
153 | * @param null $includedGroups | |
6a488035 TO |
154 | * |
155 | * @return array the ids of the groups for which the user has permissions | |
6a488035 TO |
156 | */ |
157 | public static function group( | |
158 | $type, | |
159 | $contactID = NULL, | |
160 | $tableName = 'civicrm_saved_search', | |
161 | $allGroups = NULL, | |
162 | $includedGroups = NULL | |
163 | ) { | |
164 | if ($contactID == NULL) { | |
165 | $session = CRM_Core_Session::singleton(); | |
166 | $contactID = $session->get('userID'); | |
167 | } | |
168 | ||
169 | if (!$contactID) { | |
170 | // anonymous user | |
171 | $contactID = 0; | |
172 | } | |
173 | ||
174 | return CRM_ACL_BAO_ACL::group($type, $contactID, $tableName, $allGroups, $includedGroups); | |
175 | } | |
176 | ||
177 | /** | |
100fef9d | 178 | * Check if the user has access to this group for operation $type |
6a488035 | 179 | * |
b758c7d5 TO |
180 | * @param int $type |
181 | * The type of permission needed. | |
100fef9d | 182 | * @param int $groupID |
b758c7d5 TO |
183 | * @param int $contactID |
184 | * The contactID for whom the check is made. | |
da6b46f4 EM |
185 | * |
186 | * @param string $tableName | |
187 | * @param null $allGroups | |
188 | * @param null $includedGroups | |
189 | * @param bool $flush | |
6a488035 TO |
190 | * |
191 | * @return array the ids of the groups for which the user has permissions | |
6a488035 TO |
192 | */ |
193 | public static function groupPermission( | |
194 | $type, | |
195 | $groupID, | |
196 | $contactID = NULL, | |
197 | $tableName = 'civicrm_saved_search', | |
198 | $allGroups = NULL, | |
90dee8d1 EM |
199 | $includedGroups = NULL, |
200 | $flush = FALSE | |
6a488035 | 201 | ) { |
6a488035 | 202 | |
90dee8d1 EM |
203 | static $cache = array(); |
204 | //@todo this is pretty hacky!!! | |
205 | //adding a way for unit tests to flush the cache | |
206 | if ($flush) { | |
207 | $cache = array(); | |
208 | return; | |
209 | } | |
6a488035 TO |
210 | if (!$contactID) { |
211 | $session = CRM_Core_Session::singleton(); | |
212 | $contactID = NULL; | |
213 | if ($session->get('userID')) { | |
214 | $contactID = $session->get('userID'); | |
215 | } | |
216 | } | |
217 | ||
218 | $key = "{$tableName}_{$type}_{$contactID}"; | |
219 | if (array_key_exists($key, $cache)) { | |
220 | $groups = &$cache[$key]; | |
221 | } | |
222 | else { | |
223 | $groups = self::group($type, $contactID, $tableName, $allGroups, $includedGroups); | |
224 | $cache[$key] = $groups; | |
225 | } | |
226 | ||
227 | return in_array($groupID, $groups) ? TRUE : FALSE; | |
228 | } | |
229 | } |