Forgot a file

diff --git a/lib/cache/fileglobal.php b/lib/cache/fileglobal.php
new file mode 100644 (file)
index 0000000..469dd4b
--- /dev/null
+++ b/lib/cache/fileglobal.php
@@ -0,0 +1,70 @@
+<?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_FileGlobal{
+       protected function getCacheDir() {
+               $cache_dir = get_temp_dir().'/owncloud-'.OC_Util::getInstanceId().'/';
+               if (!is_dir($cache_dir)) {
+                       mkdir($cache_dir);
+               }
+               return $cache_dir;
+       }
+
+       public function get($key) {
+               if ($this->hasKey($key)) {
+                       $cache_dir = $this->getCacheDir();
+                       return file_get_contents($cache_dir.$key);
+               }
+               return null;
+       }
+
+       public function set($key, $value, $ttl=0) {
+               $cache_dir = $this->getCacheDir();
+               if ($cache_dir and file_put_contents($cache_dir.$key, $value)) {
+                       if ($ttl === 0) {
+                               $ttl = 86400; // 60*60*24
+                       }
+                       return touch($cache_dir.$key, time() + $ttl);
+               }
+               return false;
+       }
+
+       public function hasKey($key) {
+               $cache_dir = $this->getCacheDir();
+               if ($cache_dir && is_file($cache_dir.$key)) {
+                       $mtime = filemtime($cache_dir.$key);
+                       if ($mtime < time()) {
+                               unlink($cache_dir.$key);
+                               return false;
+                       }
+                       return true;
+               }
+               return false;
+       }
+
+       public function remove($key) {
+               $cache_dir = $this->getCacheDir();
+               if(!$cache_dir){
+                       return false;
+               }
+               return unlink($cache_dir.$key);
+       }
+
+       public function clear(){
+               $cache_dir = $this->getCacheDir();
+               if($cache_dir and is_dir($cache_dir)){
+                       $dh=opendir($cache_dir);
+                       while($file=readdir($dh)){
+                               if($file!='.' and $file!='..'){
+                                       unlink($cache_dir.$file);
+                               }
+                       }
+               }
+       }
+}