Added the TemporaryFileFilter tree-class

Sabre/DAV/FilterTree.php

@@ -15,7 +15,7 @@
  * @author Evert Pot (http://www.rooftopsolutions.nl/) 
  * @license licence http://www.freebsd.org/copyright/license.html BSD License (4 Clause)
  */
- class Sabre_DAV_FilterTree extends Sabre_DAV_Tree {
+ abstract class Sabre_DAV_FilterTree extends Sabre_DAV_Tree {
 
  /**
  * subject 
@@ -32,7 +32,7 @@ class Sabre_DAV_FilterTree extends Sabre_DAV_Tree {
  */
  public function __construct(Sabre_DAV_Tree $subject) {
 
- $this->tempDir = $tempDir;
+ $this->subject = $subject;
 
  }
 
@@ -144,7 +144,7 @@ public function move($sourcePath, $destinationPath) {
  */
  public function supportsLocks() {
 
- return $this->subject->supportLocks();
+ return $this->subject->supportsLocks();
 
  }
 

Sabre/DAV/TemporaryFileFilter.php

@@ -0,0 +1,124 @@
+<?php
+
+ require_once 'Sabre/DAV/FilterTree.php';
+
+ class Sabre_DAV_TemporaryFileFilter extends Sabre_DAV_FilterTree {
+
+ private $dataDir = null;
+
+ const FINDER_FORK = 
+ 'H4sIAAAAAAAAA+3XMWsCMRQH8Beh2Fu0OHQqR+Yicji6FV0cRKiHlG7xfNJwuSTkIuK36mdy6rfQiGepwtHNQd6PhHCP9w+5bIGH5yY0ACYi49MZ/+CVYw2iMPsAre+whu/WDoDFcPYENd7S9D0snVMCfsL8vGppVPXXMDJT9IS1CnsFerEUXgzyyWjssRiXs8wh6qGwfu3wFGVhX0gAuvW5i1S6tSG5sEqWPkmix2oXVp2EXZ0sOnfON1Ivzea//nbdLRBCCCGEEEIIuTUGf55tcfolS+6wNGuXIV8Zl3OpPWovjRZKbbnClecLJXR+fAffgcv//y2/QLzfHwDNa116ABAAAA==';
+
+ public function setDataDir($path) {
+
+ $this->dataDir = $path;
+
+ }
+
+ public function isTempFile($path) {
+
+ $tempPath = basename($path);
+
+ $tempFiles = array(
+ '/^._(.*)$/', // OS/X resource forks
+ '/^.DS_Store$/', // OS/X custom folder settings
+ '/^desktop.ini$/', // Windows custom folder settings
+ '/^Thumbs.db$/', // Windows thumbnail cache
+ '/^.(.*).swp$/', // ViM temporary files
+ );
+
+ $match = false;
+ foreach($tempFiles as $tempFile) {
+
+ if (preg_match($tempFile,$tempPath)) $match = true; 
+
+ }
+
+ if ($match) {
+ $dataDir = (is_null($this->dataDir)?ini_get('session.save_path').'/sabredav/':$this->dataDir);
+ return $dataDir . '/sabredav_' . md5($path) . '.tempfile';
+ } else {
+ return false;
+ }
+
+ }
+
+ public function put($path,$data) {
+
+ if ($tempPath = $this->isTempFile($path)) {
+
+ file_put_contents($tempPath,$data);
+
+ } else return parent::put($path,$data);
+
+ }
+
+ public function createFile($path,$data) {
+
+ if ($tempPath = $this->isTempFile($path)) {
+
+ file_put_contents($tempPath,$data);
+
+ } else return parent::createFile($path,$data);
+
+ }
+
+ public function get($path) {
+
+ if ($tempPath = $this->isTempFile($path)) {
+
+ if (!file_exists($tempPath)) {
+ if (strpos(basename($path),'._')===0) echo gzdecode(base64_decode(self::FINDER_FORK));
+ else throw new Sabre_DAV_FileNotFoundException();
+ } else { 
+ return file_get_contents($tempPath);
+ }
+
+ } else return parent::get($path);
+
+ }
+
+ public function delete($path) {
+
+ if ($tempPath = $this->isTempFile($path)) {
+
+ return(file_exists($tempPath) && unlink($tempPath));
+
+ } else return parent::delete($path);
+
+ }
+
+ public function getNodeInfo($path,$depth=0) {
+
+ if (($tempPath = $this->isTempFile($path)) && !$depth) {
+
+ //echo $tempPath;
+ if (!file_exists($tempPath)) {
+ if (strpos(basename($path),'._')===0) {
+ return array(array(
+ 'name' => '',
+ 'type' => Sabre_DAV_Server::NODE_FILE,
+ 'lastmodified' => filemtime(__FILE__),
+ 'size' => 4096, 
+ ));
+
+ } else {
+ throw new Sabre_DAV_FileNotFoundException();
+ }
+ }
+ $props = array(
+ 'name' => '',
+ 'type' => Sabre_DAV_Server::NODE_FILE,
+ 'lastmodified' => filemtime($tempPath),
+ 'size' => filesize($tempPath), 
+ );
+
+ return array($props);
+
+ } else return parent::getNodeInfo($path,$depth);
+
+ }
+
+ }
+
+?>