From f328f53ec17a53efa3136c192dc035c731d94b7f 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()

Conflicts:
	lib/filesystemview.php
---
 apps/files_sharing/sharedstorage.php |  2 +-
 lib/filestorage.php                  |  2 +-
 lib/filestorage/common.php           |  2 +-
 lib/filestorage/local.php            |  2 +-
 lib/filesystem.php                   |  4 ++--
 lib/filesystemview.php               | 23 +++++++++++++++++++++--
 6 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/apps/files_sharing/sharedstorage.php b/apps/files_sharing/sharedstorage.php
index d46a7d4e70..41af077b5a 100644
--- a/apps/files_sharing/sharedstorage.php
+++ b/apps/files_sharing/sharedstorage.php
@@ -456,7 +456,7 @@ class OC_Filestorage_Shared extends OC_Filestorage {
 		}
 	}
 	
-	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 fd6497b947..1a33d30463 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, $mtime=null);
diff --git a/lib/filestorage/common.php b/lib/filestorage/common.php
index f0bfc064cb..0d3e2c25fd 100644
--- a/lib/filestorage/common.php
+++ b/lib/filestorage/common.php
@@ -110,7 +110,7 @@ abstract class OC_Filestorage_Common extends OC_Filestorage {
 		unlink($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/filestorage/local.php b/lib/filestorage/local.php
index ea9a907026..1f3fd2e924 100644
--- a/lib/filestorage/local.php
+++ b/lib/filestorage/local.php
@@ -157,7 +157,7 @@ class OC_Filestorage_Local extends OC_Filestorage{
 		return $return;
 	}
 
-	public function hash($type,$path,$raw){
+	public function hash($type,$path,$raw = false){
 		return hash_file($type,$this->datadir.$path,$raw);
 	}
 
diff --git a/lib/filesystem.php b/lib/filesystem.php
index 813590b00b..2c7df5daa3 100644
--- a/lib/filesystem.php
+++ b/lib/filesystem.php
@@ -458,8 +458,8 @@ 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($path='/'){
diff --git a/lib/filesystemview.php b/lib/filesystemview.php
index c09f1de546..f147cf5b24 100644
--- a/lib/filesystemview.php
+++ b/lib/filesystemview.php
@@ -366,8 +366,27 @@ class OC_FilesystemView {
 	public function getMimeType($path){
 		return $this->basicOperation('getMimeType',$path);
 	}
-	public function hash($type,$path){
-		return $this->basicOperation('hash',$path,array('read'));
+	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='/'){