Commit | Line | Data |
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6a488035 | 1 | <?php |
450f494d | 2 | /* |
3 | +--------------------------------------------------------------------+ | |
fee14197 | 4 | | CiviCRM version 5 | |
50bfb460 | 5 | +--------------------------------------------------------------------+ |
8c9251b3 | 6 | | Copyright CiviCRM LLC (c) 2004-2018 | |
50bfb460 SB |
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 | |
8c9251b3 | 31 | * @copyright CiviCRM LLC (c) 2004-2018 |
e70a7fc0 | 32 | */ |
6a488035 | 33 | |
5bc392e6 EM |
34 | /** |
35 | * Class CRM_Utils_Cache_SerializeCache | |
36 | */ | |
6a488035 TO |
37 | class CRM_Utils_Cache_SerializeCache implements CRM_Utils_Cache_Interface { |
38 | ||
0d64c8fa | 39 | use CRM_Utils_Cache_NaiveMultipleTrait; |
9f70b0e4 | 40 | use CRM_Utils_Cache_NaiveHasTrait; // TODO Native implementation |
0d64c8fa | 41 | |
6a488035 TO |
42 | /** |
43 | * The cache storage container, an array by default, stored in a file under templates | |
44 | */ | |
45 | private $_cache; | |
46 | ||
47 | /** | |
fe482240 | 48 | * Constructor. |
6a488035 | 49 | * |
77855840 TO |
50 | * @param array $config |
51 | * An array of configuration params. | |
6a488035 | 52 | * |
77b97be7 | 53 | * @return \CRM_Utils_Cache_SerializeCache |
6a488035 | 54 | */ |
00be9182 | 55 | public function __construct($config) { |
6a488035 TO |
56 | $this->_cache = array(); |
57 | } | |
58 | ||
5bc392e6 EM |
59 | /** |
60 | * @param $key | |
61 | * | |
62 | * @return string | |
63 | */ | |
353ffa53 | 64 | public function fileName($key) { |
e7292422 | 65 | if (strlen($key) > 50) { |
86bfa4f6 | 66 | return CIVICRM_TEMPLATE_COMPILEDIR . "CRM_" . md5($key) . ".php"; |
e7292422 | 67 | } |
86bfa4f6 | 68 | return CIVICRM_TEMPLATE_COMPILEDIR . $key . ".php"; |
6a488035 TO |
69 | } |
70 | ||
5bc392e6 EM |
71 | /** |
72 | * @param string $key | |
2da67cc5 | 73 | * @param mixed $default |
5bc392e6 EM |
74 | * |
75 | * @return mixed | |
76 | */ | |
2da67cc5 TO |
77 | public function get($key, $default = NULL) { |
78 | if ($default !== NULL) { | |
79 | throw new \RuntimeException("FIXME: " . __CLASS__ . "::get() only supports NULL default"); | |
80 | } | |
81 | ||
e7292422 | 82 | if (array_key_exists($key, $this->_cache)) { |
6a488035 | 83 | return $this->_cache[$key]; |
e7292422 | 84 | } |
6a488035 | 85 | |
e7292422 | 86 | if (!file_exists($this->fileName($key))) { |
6a488035 TO |
87 | return; |
88 | } | |
e7292422 | 89 | $this->_cache[$key] = unserialize(substr(file_get_contents($this->fileName($key)), 8)); |
6a488035 TO |
90 | return $this->_cache[$key]; |
91 | } | |
92 | ||
5bc392e6 EM |
93 | /** |
94 | * @param string $key | |
95 | * @param mixed $value | |
858451a9 TO |
96 | * @param null|int|\DateInterval $ttl |
97 | * @return bool | |
5bc392e6 | 98 | */ |
858451a9 TO |
99 | public function set($key, $value, $ttl = NULL) { |
100 | if ($ttl !== NULL) { | |
101 | throw new \RuntimeException("FIXME: " . __CLASS__ . "::set() should support non-NULL TTL"); | |
102 | } | |
e7292422 | 103 | if (file_exists($this->fileName($key))) { |
858451a9 | 104 | return FALSE; // WTF, write-once cache?! |
6a488035 TO |
105 | } |
106 | $this->_cache[$key] = $value; | |
858451a9 TO |
107 | $bytes = file_put_contents($this->fileName($key), "<?php //" . serialize($value)); |
108 | return ($bytes !== FALSE); | |
6a488035 TO |
109 | } |
110 | ||
5bc392e6 EM |
111 | /** |
112 | * @param string $key | |
eec321a4 | 113 | * @return bool |
5bc392e6 | 114 | */ |
00be9182 | 115 | public function delete($key) { |
e7292422 TO |
116 | if (file_exists($this->fileName($key))) { |
117 | unlink($this->fileName($key)); | |
6a488035 TO |
118 | } |
119 | unset($this->_cache[$key]); | |
eec321a4 | 120 | return TRUE; |
6a488035 TO |
121 | } |
122 | ||
5bc392e6 EM |
123 | /** |
124 | * @param null $key | |
124e5288 | 125 | * @return bool |
5bc392e6 | 126 | */ |
e7292422 | 127 | public function flush($key = NULL) { |
6a488035 TO |
128 | $prefix = "CRM_"; |
129 | if (!$handle = opendir(CIVICRM_TEMPLATE_COMPILEDIR)) { | |
124e5288 | 130 | return FALSE; // die? Error? |
6a488035 | 131 | } |
e7292422 TO |
132 | while (FALSE !== ($entry = readdir($handle))) { |
133 | if (substr($entry, 0, 4) == $prefix) { | |
92fcb95f | 134 | unlink(CIVICRM_TEMPLATE_COMPILEDIR . $entry); |
6a488035 TO |
135 | } |
136 | } | |
137 | closedir($handle); | |
138 | unset($this->_cache); | |
139 | $this->_cache = array(); | |
124e5288 | 140 | return TRUE; |
6a488035 | 141 | } |
96025800 | 142 | |
c31de879 TO |
143 | public function clear() { |
144 | return $this->flush(); | |
145 | } | |
146 | ||
6a488035 | 147 | } |