Skip non-supported mimes

lib/db/session.php

@@ -12,6 +12,8 @@
 
 namespace OCA\Documents\Db;
 
+use OCA\Documents\Filter;
+
 /**
  *  Session management
  * 
@@ -47,6 +49,10 @@ class Session extends \OCA\Documents\Db {
 		$genesis = new \OCA\Documents\Genesis($file);
 		
 		list($ownerView, $path) = $file->getOwnerViewAndPath();
+		$mimetype = $ownerView->getMimeType($path);
+		if (!Filter::isSupportedMimetype($mimetype)){
+			throw new \Exception( $path . ' is ' . $mimetype . ' and is not supported by Documents app');
+		}
 		$oldSession = new Session();
 		$oldSession->loadBy('file_id', $file->getFileId());
 		

lib/filter.php

@@ -13,9 +13,9 @@
 namespace OCA\Documents;
 
  class Filter {
-	 protected static $filters = array();
+	protected static $filters = array();
 	 
-	 public static function add($mimetype, $class){
+	public static function add($mimetype, $class){
 		 self::$filters[$mimetype] = $class;
 	}
 
@@ -36,9 +36,9 @@ namespace OCA\Documents;
 		}
 		
 		return $data;
-	 }
+	}
 	 
-	 public static function write($content, $mimetype){
+	public static function write($content, $mimetype){
 		$data = array(
 			'mimetype' => $mimetype,
 			'content' => $content
@@ -55,11 +55,20 @@ namespace OCA\Documents;
 		}
 		
 		return $data;
-	 }
+	}
 	 
-	 public static function getAll(){
+	public static function getAll(){
 		 return array_keys(self::$filters);
-	 }
+	}
 	 
- }
+	/**
+	 * Checks if mimetype is supported by the app
+	 * @param string $mimetype - checked mimetype
+	 * @return bool
+	 */
+	public static function isSupportedMimetype($mimetype){
+		return in_array($mimetype, Storage::getSupportedMimetypes());
+	} 
+}
+
  

lib/storage.php

@@ -97,7 +97,7 @@ class Storage {
 		return $documents;
 	}
 	
-	protected static function getSupportedMimetypes(){
+	public static function getSupportedMimetypes(){
 		return array_merge(
 			array(self::MIMETYPE_LIBREOFFICE_WORDPROCESSOR),
 			Filter::getAll()