use new plugin system for loading plugins

3 files changed, 136 insertions, 30 deletions

diff --git a/inc/lib_base.php b/inc/lib_base.php
index aae9048f09b..521694bf53f 100644
--- a/inc/lib_base.php
+++ b/inc/lib_base.php
@@ -84,7 +84,9 @@ oc_require_once('lib_ocs.php');
 @oc_require_once('MDB2/Schema.php');
 oc_require_once('lib_connect.php');
 oc_require_once('lib_remotestorage.php');
+oc_require_once('lib_plugin.php');
 
+OC_PLUGIN::loadPlugins();
 
 if(!is_dir($CONFIG_DATADIRECTORY_ROOT)){
 	@mkdir($CONFIG_DATADIRECTORY_ROOT) or die("Can't create data directory ($CONFIG_DATADIRECTORY_ROOT), you can usually fix this by setting the owner of '$SERVERROOT' to the user that the web server uses (www-data for debian/ubuntu)");
@@ -289,34 +291,6 @@ class OC_UTIL {
     }else{ echo('<td><img src="'.$WEBROOT.'/img/icons/other.png" width="16" height="16"></td>');
     }
   }
-
-	/**
-	 * Load the plugins
-	 */
-	public static function loadPlugins() {
-		global $CONFIG_LOADPLUGINS;
-		global $SERVERROOT;
-
-		$CONFIG_LOADPLUGINS = 'all';
-		if ( 'all' !== $CONFIG_LOADPLUGINS ) {
-			$plugins = explode(' ', $CONFIG_LOADPLUGINS);
-		} else {
-			$plugins = array();
-			$fd = opendir($SERVERROOT . '/plugins');
-			while ( false !== ($filename = readdir($fd)) ) {
-				if ( $filename<>'.' AND $filename<>'..' AND ('.' != substr($filename, 0, 1)) ) {
-					$plugins[] = $filename;
-				}
-			}
-			closedir($fd);
-		}
-		if ( isset($plugins[0]) ) {
-			foreach ( $plugins as $plugin ) {
-				oc_require_once('/plugins/' . $plugin . '/lib_' . $plugin . '.php');
-			}
-		}
-	}
-
 }
 
 
diff --git a/inc/lib_plugin.php b/inc/lib_plugin.php
new file mode 100644
index 00000000000..178179a05e0
--- /dev/null
+++ b/inc/lib_plugin.php
@@ -0,0 +1,134 @@
+<?php
+
+/**
+* ownCloud
+*
+* @author Frank Karlitschek 
+* @copyright 2010 Frank Karlitschek karlitschek@kde.org 
+* 
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either 
+* version 3 of the License, or any later version.
+* 
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+*  
+* You should have received a copy of the GNU Lesser General Public 
+* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+class OC_PLUGIN{
+	static private $blacklist=array();
+	
+	/**
+	* load the plugin with the given id
+	* @param string id
+	* @return bool
+	*/
+	static public function load($id){
+		global $SERVERROOT;
+		if(is_dir($SERVERROOT.'/plugins/'.$id) and is_file($SERVERROOT.'/plugins/'.$id.'/plugin.xml')){
+			$plugin=new DOMDocument();
+			$plugin->load($SERVERROOT.'/plugins/'.$id.'/plugin.xml');
+			$pluginId=$plugin->getElementsByTagName('id')->item(0)->textContent;
+			if($pluginId==$id){//sanity check for plugins installed in the wrong folder
+				$childs=$plugin->documentElement->childNodes;
+				foreach($childs as $child){
+					if($child->nodeType==XML_ELEMENT_NODE and $child->tagName=='include'){
+						$file=$SERVERROOT.'/plugins/'.$id.'/'.$child->textContent;
+						include($file);
+					}
+				}
+				return true;
+			}
+		}
+		return false;
+	}
+	
+	/**
+	 * Load all plugins that aren't blacklisted
+	 */
+	public static function loadPlugins() {
+		global $SERVERROOT;
+		$plugins = array();
+		$blacklist=self::loadBlacklist();
+		$fd = opendir($SERVERROOT . '/plugins');
+		while ( false !== ($filename = readdir($fd)) ) {
+			if ( $filename<>'.' AND $filename<>'..' AND ('.' != substr($filename, 0, 1)) AND array_search($filename,$blacklist)===false) {
+				self::load($filename);
+			}
+		}
+		closedir($fd);
+	}
+	
+	/**
+	* load the blacklist from blacklist.txt
+	* @return array
+	*/
+	private static function loadBlacklist(){
+		global $SERVERROOT;
+		if(count(self::$blacklist)>0){
+			return self::$blacklist;
+		}
+		$blacklist=array();
+		if(is_file($SERVERROOT.'/plugins/blacklist.txt')){
+			$file=file_get_contents($SERVERROOT.'/plugins/blacklist.txt');
+			$lines=explode("\n",$file);
+			foreach($lines as $line){
+				$id=trim($line);
+				if($id!='' and is_dir($SERVERROOT.'/plugins/'.$id)){
+					$blacklist[]=$id;
+				}
+			}
+		}
+		self::$blacklist=$blacklist;
+		return $blacklist;
+	}
+	
+	/**
+	* save a blacklist to blacklist.txt
+	* @param array blacklist
+	*/
+	private static function saveBlacklist($blacklist){
+		global $SERVERROOT;
+		$file='';
+		foreach($blacklist as $item){
+			$file.="$item\n";
+		}
+		self::$blacklist=$blacklist;
+		file_put_contents($SERVERROOT.'/plugins/blacklist.txt',$file);
+	}
+	
+	/**
+	* add a plugin to the blacklist
+	* @param string id
+	*/
+	public static function addToBlacklist($id){
+		$blacklist=self::loadBlacklist();
+		if(array_search($id,$blacklist)===false){
+			$blacklist[]=$id;
+			self::$blacklist=$blacklist;
+			self::saveBlacklist($blacklist);
+		}
+	}
+	
+	/**
+	* remove a plugin to the blacklist
+	* @param string id
+	*/
+	public static function removeFromBlacklist($id){
+		$blacklist=self::loadBlacklist();
+		$index=array_search($id,$blacklist);
+		if($index!==false){
+			unset($blacklist[$index]);
+			self::$blacklist=$blacklist;
+			self::saveBlacklist($blacklist);
+		}
+	}
+}
+
+?>
diff --git a/inc/lib_user.php b/inc/lib_user.php
index 1d0cb86c6a7..0d9b1c5dda6 100644
--- a/inc/lib_user.php
+++ b/inc/lib_user.php
@@ -23,8 +23,6 @@
 
 global $CONFIG_BACKEND;
 
-OC_UTIL::loadPlugins();
-
 
 
 if ( !$CONFIG_INSTALLED ) {