From f25ccaff59c135d7f1f22196bf266916ef131b35 Mon Sep 17 00:00:00 2001
From: Michael Gapczynski <mtgap@owncloud.com>
Date: Wed, 25 Jul 2012 16:54:46 -0400
Subject: [PATCH] Fix filesystem hash, no longer using basicOperation()

---
 apps/files_sharing/sharedstorage.php |  2 +-
 lib/filestorage.php                  |  2 +-
 lib/filestorage/common.php           |  2 +-
 lib/filesystem.php                   |  4 ++--
 lib/filesystemview.php               | 23 +++++++++++++++++++++--
 5 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/apps/files_sharing/sharedstorage.php b/apps/files_sharing/sharedstorage.php
index 32fd2124429..fc0d272b54e 100644
--- a/apps/files_sharing/sharedstorage.php
+++ b/apps/files_sharing/sharedstorage.php
@@ -410,7 +410,7 @@ class OC_Filestorage_Shared extends OC_Filestorage_Common {
 		}
 	}
 	
-	public function hash($type, $path, $raw) {
+	public function hash($type, $path, $raw = false) {
 		$source = $this->getSource($path);
 		if ($source) {
 			$storage = OC_Filesystem::getStorage($source);
diff --git a/lib/filestorage.php b/lib/filestorage.php
index e786127d525..fd4ad36530e 100644
--- a/lib/filestorage.php
+++ b/lib/filestorage.php
@@ -45,7 +45,7 @@ abstract class OC_Filestorage{
 	abstract public function copy($path1,$path2);
 	abstract public function fopen($path,$mode);
 	abstract public function getMimeType($path);
-	abstract public function hash($type,$path,$raw);
+	abstract public function hash($type,$path,$raw = false);
 	abstract public function free_space($path);
 	abstract public function search($query);
 	abstract public function touch($path, $mtime=null);
diff --git a/lib/filestorage/common.php b/lib/filestorage/common.php
index fd389d3e2d7..c77df38e6b1 100644
--- a/lib/filestorage/common.php
+++ b/lib/filestorage/common.php
@@ -195,7 +195,7 @@ abstract class OC_Filestorage_Common extends OC_Filestorage {
 		unlink($tmpFile);
 		return $mime;
 	}
-	public function hash($type,$path,$raw){
+	public function hash($type,$path,$raw = false){
 		$tmpFile=$this->getLocalFile();
 		$hash=hash($type,$tmpFile,$raw);
 		unlink($tmpFile);
diff --git a/lib/filesystem.php b/lib/filesystem.php
index a5edcf5bab3..81370d4e178 100644
--- a/lib/filesystem.php
+++ b/lib/filesystem.php
@@ -452,8 +452,8 @@ class OC_Filesystem{
 	static public function getMimeType($path){
 		return self::$defaultInstance->getMimeType($path);
 	}
-	static public function hash($type,$path){
-		return self::$defaultInstance->hash($type,$path);
+	static public function hash($type,$path, $raw = false){
+		return self::$defaultInstance->hash($type,$path, $raw);
 	}
 	
 	static public function free_space($path='/'){
diff --git a/lib/filesystemview.php b/lib/filesystemview.php
index 9beda01e5a1..3c989d7c36f 100644
--- a/lib/filesystemview.php
+++ b/lib/filesystemview.php
@@ -465,8 +465,27 @@ class OC_FilesystemView {
 	public function getMimeType($path) {
 		return $this->basicOperation('getMimeType', $path);
 	}
-	public function hash($type, $path) {
-		return $this->basicOperation('hash', $path, array('read'), $type);
+	public function hash($type, $path, $raw = false) {
+		$absolutePath = $this->getAbsolutePath($path);
+		if (OC_FileProxy::runPreProxies('hash', $absolutePath) && OC_Filesystem::isValidPath($path)) {
+			$path = $this->getRelativePath($absolutePath);
+			if ($path == null) {
+				return false;
+			}
+			if (OC_Filesystem::$loaded && $this->fakeRoot == OC_Filesystem::getRoot()) {
+				OC_Hook::emit(
+					OC_Filesystem::CLASSNAME,
+					OC_Filesystem::signal_read,
+					array( OC_Filesystem::signal_param_path => $path)
+				);
+			}
+			if ($storage = $this->getStorage($path)) {
+				$result = $storage->hash($type, $this->getInternalPath($path), $raw);
+				$result = OC_FileProxy::runPostProxies('hash', $absolutePath, $result);
+				return $result;
+			}
+		}
+		return null;
 	}
 
 	public function free_space($path='/') {