From 4a9c64e96be52243b8fc480242bd90428bc470c1 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Wed, 4 Feb 2015 16:52:50 +0100
Subject: [PATCH] Only make sure the cache directory exists when we use it

---
 lib/private/cache/file.php       | 45 +++++++++++++++++++-------------
 lib/private/files/filesystem.php |  9 +------
 2 files changed, 28 insertions(+), 26 deletions(-)

diff --git a/lib/private/cache/file.php b/lib/private/cache/file.php
index 4e7c065678e..d321a954bd2 100644
--- a/lib/private/cache/file.php
+++ b/lib/private/cache/file.php
@@ -9,22 +9,31 @@
 
 namespace OC\Cache;
 
+use OC\Files\Filesystem;
+use OC\Files\View;
+
 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');
+		if (\OC_User::isLoggedIn()) {
+			$rootView = new View();
+			$user = \OC::$server->getUserSession()->getUser();
+			Filesystem::initMountPoints($user->getUID());
+			if (!$rootView->file_exists('/' . $user->getUID() . '/cache')) {
+				$rootView->mkdir('/' . $user->getUID() . '/cache');
+			}
+			$this->storage = new View('/' . $user->getUID() . '/cache');
 			return $this->storage;
-		}else{
+		} 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');
 		}
@@ -66,7 +75,7 @@ class File {
 	/**
 	 * @param string $key
 	 */
-	public function set($key, $value, $ttl=0) {
+	public function set($key, $value, $ttl = 0) {
 		$storage = $this->getStorage();
 		$result = false;
 		$proxyStatus = \OC_FileProxy::$enabled;
@@ -94,20 +103,20 @@ class File {
 	 */
 	public function remove($key) {
 		$storage = $this->getStorage();
-		if(!$storage) {
+		if (!$storage) {
 			return false;
 		}
 		return $storage->unlink($key);
 	}
 
-	public function clear($prefix='') {
+	public function clear($prefix = '') {
 		$storage = $this->getStorage();
-		if($storage and $storage->is_dir('/')) {
-			$dh=$storage->opendir('/');
-			if(is_resource($dh)) {
+		if ($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);
+					if ($file != '.' and $file != '..' and ($prefix === '' || strpos($file, $prefix) === 0)) {
+						$storage->unlink('/' . $file);
 					}
 				}
 			}
@@ -117,17 +126,17 @@ class File {
 
 	public function gc() {
 		$storage = $this->getStorage();
-		if($storage and $storage->is_dir('/')) {
+		if ($storage and $storage->is_dir('/')) {
 			$now = time();
-			$dh=$storage->opendir('/');
-			if(!is_resource($dh)) {
+			$dh = $storage->opendir('/');
+			if (!is_resource($dh)) {
 				return null;
 			}
 			while (($file = readdir($dh)) !== false) {
-				if($file!='.' and $file!='..') {
-					$mtime = $storage->filemtime('/'.$file);
+				if ($file != '.' and $file != '..') {
+					$mtime = $storage->filemtime('/' . $file);
 					if ($mtime < $now) {
-						$storage->unlink('/'.$file);
+						$storage->unlink('/' . $file);
 					}
 				}
 			}
diff --git a/lib/private/files/filesystem.php b/lib/private/files/filesystem.php
index 140d892652f..c7454683e80 100644
--- a/lib/private/files/filesystem.php
+++ b/lib/private/files/filesystem.php
@@ -395,14 +395,7 @@ class Filesystem {
 	 */
 	private static function mountCacheDir($user) {
 		$cacheBaseDir = \OC_Config::getValue('cache_path', '');
-		if ($cacheBaseDir === '') {
-			// use local cache dir relative to the user's home
-			$subdir = 'cache';
-			$view = new \OC\Files\View('/' . $user);
-			if(!$view->file_exists($subdir)) {
-				$view->mkdir($subdir);
-			}
-		} else {
+		if ($cacheBaseDir !== '') {
 			$cacheDir = rtrim($cacheBaseDir, '/') . '/' . $user;
 			if (!file_exists($cacheDir)) {
 				mkdir($cacheDir, 0770, true);
-- 
2.39.5