diff options
Diffstat (limited to '3rdparty/Sabre/DAV/Locks/Backend/File.php')
-rw-r--r-- | 3rdparty/Sabre/DAV/Locks/Backend/File.php | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/3rdparty/Sabre/DAV/Locks/Backend/File.php b/3rdparty/Sabre/DAV/Locks/Backend/File.php deleted file mode 100644 index c33f963514b..00000000000 --- a/3rdparty/Sabre/DAV/Locks/Backend/File.php +++ /dev/null @@ -1,181 +0,0 @@ -<?php - -/** - * The Lock manager allows you to handle all file-locks centrally. - * - * This Lock Manager stores all its data in a single file. - * - * Note that this is not nearly as robust as a database, you are encouraged - * to use the PDO backend instead. - * - * @package Sabre - * @subpackage DAV - * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved. - * @author Evert Pot (http://www.rooftopsolutions.nl/) - * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License - */ -class Sabre_DAV_Locks_Backend_File extends Sabre_DAV_Locks_Backend_Abstract { - - /** - * The storage file - * - * @var string - */ - private $locksFile; - - /** - * Constructor - * - * @param string $locksFile path to file - */ - public function __construct($locksFile) { - - $this->locksFile = $locksFile; - - } - - /** - * Returns a list of Sabre_DAV_Locks_LockInfo objects - * - * This method should return all the locks for a particular uri, including - * locks that might be set on a parent uri. - * - * If returnChildLocks is set to true, this method should also look for - * any locks in the subtree of the uri for locks. - * - * @param string $uri - * @param bool $returnChildLocks - * @return array - */ - public function getLocks($uri, $returnChildLocks) { - - $newLocks = array(); - - $locks = $this->getData(); - - foreach($locks as $lock) { - - if ($lock->uri === $uri || - //deep locks on parents - ($lock->depth!=0 && strpos($uri, $lock->uri . '/')===0) || - - // locks on children - ($returnChildLocks && (strpos($lock->uri, $uri . '/')===0)) ) { - - $newLocks[] = $lock; - - } - - } - - // Checking if we can remove any of these locks - foreach($newLocks as $k=>$lock) { - if (time() > $lock->timeout + $lock->created) unset($newLocks[$k]); - } - return $newLocks; - - } - - /** - * Locks a uri - * - * @param string $uri - * @param Sabre_DAV_Locks_LockInfo $lockInfo - * @return bool - */ - public function lock($uri, Sabre_DAV_Locks_LockInfo $lockInfo) { - - // We're making the lock timeout 30 minutes - $lockInfo->timeout = 1800; - $lockInfo->created = time(); - $lockInfo->uri = $uri; - - $locks = $this->getData(); - - foreach($locks as $k=>$lock) { - if ( - ($lock->token == $lockInfo->token) || - (time() > $lock->timeout + $lock->created) - ) { - unset($locks[$k]); - } - } - $locks[] = $lockInfo; - $this->putData($locks); - return true; - - } - - /** - * Removes a lock from a uri - * - * @param string $uri - * @param Sabre_DAV_Locks_LockInfo $lockInfo - * @return bool - */ - public function unlock($uri, Sabre_DAV_Locks_LockInfo $lockInfo) { - - $locks = $this->getData(); - foreach($locks as $k=>$lock) { - - if ($lock->token == $lockInfo->token) { - - unset($locks[$k]); - $this->putData($locks); - return true; - - } - } - return false; - - } - - /** - * Loads the lockdata from the filesystem. - * - * @return array - */ - protected function getData() { - - if (!file_exists($this->locksFile)) return array(); - - // opening up the file, and creating a shared lock - $handle = fopen($this->locksFile,'r'); - flock($handle,LOCK_SH); - - // Reading data until the eof - $data = stream_get_contents($handle); - - // We're all good - fclose($handle); - - // Unserializing and checking if the resource file contains data for this file - $data = unserialize($data); - if (!$data) return array(); - return $data; - - } - - /** - * Saves the lockdata - * - * @param array $newData - * @return void - */ - protected function putData(array $newData) { - - // opening up the file, and creating an exclusive lock - $handle = fopen($this->locksFile,'a+'); - flock($handle,LOCK_EX); - - // We can only truncate and rewind once the lock is acquired. - ftruncate($handle,0); - rewind($handle); - - fwrite($handle,serialize($newData)); - fclose($handle); - - } - -} - |