73 lines
1.6 KiB
PHP
73 lines
1.6 KiB
PHP
<?php
|
|
/**
|
|
* Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
|
|
* This file is licensed under the Affero General Public License version 3 or
|
|
* later.
|
|
* See the COPYING-README file.
|
|
*/
|
|
|
|
|
|
class OC_Cache_File{
|
|
protected function getStorage() {
|
|
if(OC_User::isLoggedIn()){
|
|
$subdir = 'cache';
|
|
$view = new OC_FilesystemView('/'.OC_User::getUser());
|
|
if(!$view->file_exists($subdir)) {
|
|
$view->mkdir($subdir);
|
|
}
|
|
return new OC_FilesystemView('/'.OC_User::getUser().'/'.$subdir);
|
|
}else{
|
|
OC_Log::write('core','Can\'t get cache storage, user not logged in', OC_Log::ERROR);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public function get($key) {
|
|
if ($this->hasKey($key)) {
|
|
$storage = $this->getStorage();
|
|
return $storage->file_get_contents($key);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public function set($key, $value, $ttl=0) {
|
|
$storage = $this->getStorage();
|
|
if ($storage and $storage->file_put_contents($key, $value)) {
|
|
return $storage->touch($key, time() + $ttl);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function hasKey($key) {
|
|
$storage = $this->getStorage();
|
|
if ($storage->is_file($key)) {
|
|
$mtime = $storage->filemtime($key);
|
|
if ($mtime < time()) {
|
|
$storage->unlink($key);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function remove($key) {
|
|
$storage = $this->getStorage();
|
|
if(!$storage){
|
|
return false;
|
|
}
|
|
return $storage->unlink($key);
|
|
}
|
|
|
|
public function clear(){
|
|
$storage = $this->getStorage();
|
|
if($storage and $storage->is_dir('/')){
|
|
$dh=$storage->opendir('/');
|
|
while($file=readdir($dh)){
|
|
if($file!='.' and $file!='..'){
|
|
$storage->unlink('/'.$file);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|