Merge branch 'refactoring' of git://anongit.kde.org/owncloud into refactoring

7 files changed, 126 insertions, 18 deletions

diff --git a/docs/owncloud.sql b/docs/owncloud.sql
index 3f96a4540eb..75812ad3c7e 100644
--- a/docs/owncloud.sql
+++ b/docs/owncloud.sql
@@ -173,3 +173,13 @@ CREATE TABLE IF NOT EXISTS `users` (
 --
 -- Daten für Tabelle `users`
 --
+
+--
+-- Table structure for table `foldersize`
+--
+
+CREATE TABLE IF NOT EXISTS `foldersize` (
+  `path` varchar(512) NOT NULL,
+  `size` int(11) NOT NULL,
+  PRIMARY KEY (`path`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
\ No newline at end of file
diff --git a/files/templates/index.php b/files/templates/index.php
index 695a3c45a9d..f1fdafc27cc 100644
--- a/files/templates/index.php
+++ b/files/templates/index.php
@@ -33,7 +33,7 @@
 			<tr>
 				<td class="selection"><input type="checkbox" /></td>
 				<td class="filename"><a style="background-image:url(<?php if($file["type"] == "dir") echo mimetype_icon("dir"); else echo mimetype_icon($file["mime"]); ?>)" href="<?php if($file["type"] == "dir") echo link_to("files", "index.php?dir=".$file["directory"]."/".$file["name"]); else echo link_to("files", "download.php?file=".$file["directory"]."/".$file["name"]); ?>" title=""><?php echo $file["name"]; ?></a></td>
-				<td class="filesize"><?php if($file["type"] != "dir" ) echo human_file_size($file["size"]); ?></td>
+				<td class="filesize"><?php echo human_file_size($file["size"]); ?></td>
 				<td class="date"><?php if($file["type"] != "dir") echo $file["date"]; ?></td>
 				<td class="fileaction"><a href="" title=""><img src="images/drop-arrow.png" alt="+" /></a></td>
 			</tr>
diff --git a/index.php b/index.php
index 8f5c99fcd85..105a04ad76e 100644
--- a/index.php
+++ b/index.php
@@ -24,7 +24,12 @@
 require_once( 'lib/base.php' );
 require_once( 'appconfig.php' );
 require_once( 'template.php' );
-if( OC_USER::isLoggedIn()){
+
+// check if the server is correctly configured for ownCloud
+$errors=OC_UTIL::checkServer();
+if(count($errors)>0){
+	OC_TEMPLATE::printGuestPage( "", "error", array( "errors" => $errors ));
+}elseif( OC_USER::isLoggedIn()){
 	if( $_GET["logout"] ){
 		OC_USER::logout();
 		header( "Location: $WEBROOT");
@@ -34,8 +39,7 @@ if( OC_USER::isLoggedIn()){
 		header( "Location: ".OC_APPCONFIG::getValue( "core", "defaultpage", "files/index.php" ));
 		exit();
 	}
-}
-else{
+}else{
 	if( OC_USER::login( $_POST["user"], $_POST["password"] )){
 		header( "Location: ".OC_APPCONFIG::getValue( "core", "defaultpage", "files/index.php" ));
 		exit();
diff --git a/lib/base.php b/lib/base.php
index 6b3ca59e6be..31d4142900f 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -89,13 +89,17 @@ require_once('connect.php');
 require_once('remotestorage.php');
 require_once('plugin.php');
 
-OC_PLUGIN::loadPlugins( "" );
+$error=(count(OC_UTIL::checkServer())>0);
+
+if(!$error){
+	OC_PLUGIN::loadPlugins( "" );
+}
 
 OC_USER::setBackend( OC_CONFIG::getValue( "userbackend", "database" ));
 OC_GROUP::setBackend( OC_CONFIG::getValue( "groupbackend", "database" ));
 
 // Set up file system unless forbidden
-if( !$RUNTIME_NOSETUPFS ){
+if(!$error and !$RUNTIME_NOSETUPFS ){
 	OC_UTIL::setupFS();
 }
 
@@ -108,12 +112,10 @@ OC_UTIL::addStyle( "jquery-ui-1.8.10.custom" );
 OC_UTIL::addStyle( "styles" );
 
 // Load Apps
-if( !$RUNTIME_NOAPPS ){
+if(!$error and !$RUNTIME_NOAPPS ){
 	OC_APP::loadApps();
 }
 
-// check if the server is correctly configured for ownCloud
-OC_UTIL::checkserver();
 /**
  * Class for utility functions
  *
@@ -221,7 +223,7 @@ class OC_UTIL {
 
 	/**
 	 * check if the current server configuration is suitable for ownCloud
-	 *
+	 * @return array with error messages
 	 */
 	public static function checkServer(){
 		global $SERVERROOT;
@@ -230,12 +232,16 @@ class OC_UTIL {
 		$CONFIG_DATADIRECTORY_ROOT = OC_CONFIG::getValue( "datadirectory", "$SERVERROOT/data" );;
 		$CONFIG_BACKUPDIRECTORY = OC_CONFIG::getValue( "backupdirectory", "$SERVERROOT/backup" );
 		$CONFIG_INSTALLED = OC_CONFIG::getValue( "installed", false );
-		$error='';
+		$errors=array();
+		
+		//check for database drivers
 		if(!is_callable('sqlite_open') and !is_callable('mysql_connect')){
-			$error.='No database drivers (sqlite or mysql) installed.<br/>';
+			$errors[]='No database drivers (sqlite or mysql) installed.<br/>';
 		}
 		$CONFIG_DBTYPE = OC_CONFIG::getValue( "dbtype", "sqlite" );
 		$CONFIG_DBNAME = OC_CONFIG::getValue( "dbname", "owncloud" );
+		
+		//check for correct file permissions
 		if(!stristr(PHP_OS, 'WIN')){
 			if($CONFIG_DBTYPE=='sqlite'){
 				$file=$SERVERROOT.'/'.$CONFIG_DBNAME;
@@ -246,7 +252,7 @@ class OC_UTIL {
 						clearstatcache();
 						$prems=substr(decoct(fileperms($file)),-3);
 						if(substr($prems,2,1)!='0'){
-							$error.='SQLite database file ('.$file.') is readable from the web<br/>';
+							$errors[]='SQLite database file ('.$file.') is readable from the web<br/>';
 						}
 					}
 				}
@@ -257,7 +263,7 @@ class OC_UTIL {
 				clearstatcache();
 				$prems=substr(decoct(fileperms($CONFIG_DATADIRECTORY_ROOT)),-3);
 				if(substr($prems,2,1)!='0'){
-					$error.='Data directory ('.$CONFIG_DATADIRECTORY_ROOT.') is readable from the web<br/>';
+					$errors[]='Data directory ('.$CONFIG_DATADIRECTORY_ROOT.') is readable from the web<br/>';
 				}
 			}
 			if( OC_CONFIG::getValue( "enablebackup", false )){
@@ -267,16 +273,20 @@ class OC_UTIL {
 					clearstatcache();
 					$prems=substr(decoct(fileperms($CONFIG_BACKUPDIRECTORY)),-3);
 					if(substr($prems,2,1)!='0'){
-						$error.='Data directory ('.$CONFIG_BACKUPDIRECTORY.') is readable from the web<br/>';
+						$errors[]='Data directory ('.$CONFIG_BACKUPDIRECTORY.') is readable from the web<br/>';
 					}
 				}
 			}
 		}else{
 			//TODO: premisions checks for windows hosts
 		}
-		if($error){
-			die($error);
+		if(!is_writable($CONFIG_DATADIRECTORY_ROOT)){
+			$errors[]='Data directory ('.$CONFIG_BACKUPDIRECTORY.') not writable by ownCloud<br/>';
 		}
+		
+		//TODO: check for php modules
+		
+		return $errors;
 	}
 }
 
diff --git a/lib/files.php b/lib/files.php
index a1f983b6b2f..642a7e72049 100644
--- a/lib/files.php
+++ b/lib/files.php
@@ -64,6 +64,7 @@ class OC_FILES {
 					$file['directory']=$directory;
 					$stat=OC_FILESYSTEM::stat($directory.'/'.$filename);
 					$file=array_merge($file,$stat);
+					$file['size']=OC_FILESYSTEM::filesize($directory.'/'.$filename);
 					$file['mime']=OC_FILES::getMimeType($directory .'/'. $filename);
 					$file['readable']=OC_FILESYSTEM::is_readable($directory .'/'. $filename);
 					$file['writeable']=OC_FILESYSTEM::is_writeable($directory .'/'. $filename);
diff --git a/lib/filestorage.php b/lib/filestorage.php
index 68f232d3a60..e7fb9e9d270 100644
--- a/lib/filestorage.php
+++ b/lib/filestorage.php
@@ -124,7 +124,11 @@ class OC_FILESTORAGE_LOCAL extends OC_FILESTORAGE{
 		return $filetype;
 	}
 	public function filesize($path){
-		return filesize($this->datadir.$path);
+		if($this->is_dir($path)){
+			return $this->getFolderSize($path);
+		}else{
+			return filesize($this->datadir.$path);
+		}
 	}
 	public function is_readable($path){
 		return is_readable($this->datadir.$path);
@@ -159,6 +163,7 @@ class OC_FILESTORAGE_LOCAL extends OC_FILESTORAGE{
 	public function file_put_contents($path,$data){
 		if($return=file_put_contents($this->datadir.$path,$data)){
 			$this->notifyObservers($path,OC_FILEACTION_WRITE);
+			$this->clearFolderSizeCache($path);
 		}
 	}
 	public function unlink($path){
@@ -197,11 +202,13 @@ class OC_FILESTORAGE_LOCAL extends OC_FILESTORAGE{
 				case 'x+':
 				case 'a+':
 					$this->notifyObservers($path,OC_FILEACTION_READ | OC_FILEACTION_WRITE);
+					$this->clearFolderSizeCache($path);
 					break;
 				case 'w':
 				case 'x':
 				case 'a':
 					$this->notifyObservers($path,OC_FILEACTION_WRITE);
+					$this->clearFolderSizeCache($path);
 					break;
 			}
 		}
@@ -440,5 +447,66 @@ class OC_FILESTORAGE_LOCAL extends OC_FILESTORAGE{
 		}
 		return $return;
 	}
+	
+	/**
+	 * @brief get the size of folder and it's content
+	 * @param string $path file path
+	 * @return int size of folder and it's content
+	 */
+	public function getFolderSize($path){
+		$query=OC_DB::prepare("SELECT size FROM *PREFIX*foldersize WHERE path=?");
+		$size=$query->execute(array($path))->fetchAll();
+		if(count($size)>0){// we already the size, just return it
+			return $size[0]['size'];
+		}else{//the size of the folder isn't know, calulate it
+			return $this->calculateFolderSize($path);
+		}
+	}
+	
+	/**
+	 * @brief calulate the size of folder and it's content and cache it
+	 * @param string $path file path
+	 * @return int size of folder and it's content
+	 */
+	public function calculateFolderSize($path){
+		$size=0;
+		if ($dh = $this->opendir($path)) {
+			while (($filename = readdir($dh)) !== false) {
+				if($filename!='.' and $filename!='..'){
+					$subFile=$path.'/'.$filename;
+					if($this->is_file($subFile)){
+						$size+=$this->filesize($subFile);
+					}else{
+						$size+=$this->calculateFolderSize($subFile);
+					}
+				}
+			}
+			$query=OC_DB::prepare("SELECT size FROM *PREFIX*foldersize WHERE path=?");
+			$hasSize=$query->execute(array($path))->fetchAll();
+			if(count($hasSize)>0){// yes, update it
+				$query=OC_DB::prepare("UPDATE *PREFIX*foldersize SET size=? WHERE path=?");
+				$result=$query->execute(array($size,$path));
+			}else{// no insert it
+				$query=OC_DB::prepare("INSERT INTO *PREFIX*foldersize VALUES(?,?)");
+				$result=$query->execute(array($path,$size));
+			}
+		}
+		return $size;
+	}
+	
+	/**
+	 * @brief clear the folder size cache of folders containing a file
+	 * @param string $path
+	 */
+	public function clearFolderSizeCache($path){
+		$path=dirname($path);
+		$query=OC_DB::prepare("DELETE FROM *PREFIX*foldersize WHERE path = ?");
+		$result=$query->execute(array($path));
+		if($path!='/'){
+			$parts=explode('/');
+			array_pop($parts);
+			$parent=implode('/',$parts);
+		}
+	}
 }
 ?>
\ No newline at end of file
diff --git a/templates/error.php b/templates/error.php
new file mode 100644
index 00000000000..e8f56d63bd1
--- /dev/null
+++ b/templates/error.php
@@ -0,0 +1,15 @@
+<?php
+/*
+ * Template for error page
+ */
+?>
+<div id="login">
+	<img src="<?php echo image_path("", "owncloud-logo-medium-white.png"); ?>" alt="ownCloud" />
+	<br/><br/><br/><br/>
+	<ul>
+		<?php foreach($_["errors"] as $error):?>
+			<li><?php echo $error ?></li>
+		<?php endforeach ?>
+	</ul>
+</div>
+