blob: 4e7c065678e3fb27a2c3f1903416d325071b30d6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
<?php
/**
* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
* Copyright (c) 2014 Vincent Petry <pvince81@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Cache;
class File {
protected $storage;
/**
* Returns the cache storage for the logged in user
* @return \OC\Files\View cache storage
*/
protected function getStorage() {
if (isset($this->storage)) {
return $this->storage;
}
if(\OC_User::isLoggedIn()) {
\OC\Files\Filesystem::initMountPoints(\OC_User::getUser());
$this->storage = new \OC\Files\View('/' . \OC_User::getUser() . '/cache');
return $this->storage;
}else{
\OC_Log::write('core', 'Can\'t get cache storage, user not logged in', \OC_Log::ERROR);
throw new \OC\ForbiddenException('Can\t get cache storage, user not logged in');
}
}
/**
* @param string $key
*/
public function get($key) {
$result = null;
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
if ($this->hasKey($key)) {
$storage = $this->getStorage();
$result = $storage->file_get_contents($key);
}
\OC_FileProxy::$enabled = $proxyStatus;
return $result;
}
/**
* Returns the size of the stored/cached data
*
* @param string $key
* @return int
*/
public function size($key) {
$result = 0;
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
if ($this->hasKey($key)) {
$storage = $this->getStorage();
$result = $storage->filesize($key);
}
\OC_FileProxy::$enabled = $proxyStatus;
return $result;
}
/**
* @param string $key
*/
public function set($key, $value, $ttl=0) {
$storage = $this->getStorage();
$result = false;
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
if ($storage and $storage->file_put_contents($key, $value)) {
if ($ttl === 0) {
$ttl = 86400; // 60*60*24
}
$result = $storage->touch($key, time() + $ttl);
}
\OC_FileProxy::$enabled = $proxyStatus;
return $result;
}
public function hasKey($key) {
$storage = $this->getStorage();
if ($storage && $storage->is_file($key)) {
return true;
}
return false;
}
/**
* @param string $key
*/
public function remove($key) {
$storage = $this->getStorage();
if(!$storage) {
return false;
}
return $storage->unlink($key);
}
public function clear($prefix='') {
$storage = $this->getStorage();
if($storage and $storage->is_dir('/')) {
$dh=$storage->opendir('/');
if(is_resource($dh)) {
while (($file = readdir($dh)) !== false) {
if($file!='.' and $file!='..' and ($prefix==='' || strpos($file, $prefix) === 0)) {
$storage->unlink('/'.$file);
}
}
}
}
return true;
}
public function gc() {
$storage = $this->getStorage();
if($storage and $storage->is_dir('/')) {
$now = time();
$dh=$storage->opendir('/');
if(!is_resource($dh)) {
return null;
}
while (($file = readdir($dh)) !== false) {
if($file!='.' and $file!='..') {
$mtime = $storage->filemtime('/'.$file);
if ($mtime < $now) {
$storage->unlink('/'.$file);
}
}
}
}
}
public static function loginListener() {
$c = new self();
$c->gc();
}
}
|
