From 5177ee3182241b546d17e694100a6990643c4824 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 1 Sep 2016 16:34:09 +0200
Subject: [LinkConfigTgz] Passing empty target means remove link

---
 .../openslx/taskmanager/tasks/LinkConfigTgz.java   | 28 +++++++++++++---------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/src/main/java/org/openslx/taskmanager/tasks/LinkConfigTgz.java b/src/main/java/org/openslx/taskmanager/tasks/LinkConfigTgz.java
index bd770d5..7816247 100644
--- a/src/main/java/org/openslx/taskmanager/tasks/LinkConfigTgz.java
+++ b/src/main/java/org/openslx/taskmanager/tasks/LinkConfigTgz.java
@@ -27,10 +27,14 @@ public class LinkConfigTgz extends AbstractTask
 	protected boolean initTask()
 	{
 		this.setStatusObject( status );
-		this.destination = FilenameUtils.normalize( this.destination );
-		if ( this.destination == null || !Util.startsWith( this.destination, ALLOWED_DIRS ) ) {
-			status.error = "File not in allowed directory";
-			return false;
+		if ( this.destination != null && !this.destination.isEmpty() ) {
+			this.destination = FilenameUtils.normalize( this.destination );
+			if ( !Util.startsWith( this.destination, ALLOWED_DIRS ) ) {
+				status.error = "File not in allowed directory";
+				return false;
+			}
+		} else {
+			this.destination = null;
 		}
 		return true;
 	}
@@ -40,17 +44,19 @@ public class LinkConfigTgz extends AbstractTask
 	{
 		try {
 			Files.createDirectory( Paths.get( "/srv/openslx/www/boot/default" ) );
-		} catch (Exception e) {
+		} catch ( Exception e ) {
 		}
 		try {
 			FileUtils.deleteQuietly( new File( "/srv/openslx/www/boot/default/config.tgz" ) );
-		} catch (Exception e) {
+		} catch ( Exception e ) {
 		}
-		try {
-			Files.createSymbolicLink( Paths.get( "/srv/openslx/www/boot/default/config.tgz" ), Paths.get( this.destination ) );
-		} catch ( IOException e ) {
-			status.error = e.toString();
-			return false;
+		if ( this.destination != null ) {
+   		try {
+   			Files.createSymbolicLink( Paths.get( "/srv/openslx/www/boot/default/config.tgz" ), Paths.get( this.destination ) );
+   		} catch ( IOException e ) {
+   			status.error = e.toString();
+   			return false;
+   		}
 		}
 		return true;
 	}
-- 
cgit v1.2.3-55-g7522