fix encryption to owncloud user for public link shares

apps/files_encryption/lib/keymanager.php

@@ -54,7 +54,7 @@ class Keymanager {
 		
 		\OC_FileProxy::$enabled = false;
 		
-		return $view->file_get_contents( '/public-keys/' . '/' . $userId . '.public.key' );
+		return $view->file_get_contents( '/public-keys/' . $userId . '.public.key' );
 		
 		\OC_FileProxy::$enabled = true;
 		

apps/files_encryption/lib/util.php

@@ -668,7 +668,7 @@ class Util {
 			// public system user 'ownCloud' (for public shares)
 			if ( 
 				$util->ready() 
-				or $user == 'ownCloud' 
+				or $user == 'owncloud'
 			) {
 			
 				// Construct array of ready UIDs for Keymanager{}

lib/public/share.php

@@ -200,7 +200,7 @@ class Share {
 			}
 			
 			if ($result->fetchRow()) {
-				$shares[] = "ownCloud";
+				$shares[] = "owncloud";
 			}
 		}
 		// Include owner in list of users, if requested