From 1efe9cbbdade4257b382891367b7b0fe86608590 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 11 Dec 2019 18:13:59 +0100
Subject: [Symlink] Rename and refit from LinkConfigTgz

---
 .../openslx/taskmanager/tasks/LinkConfigTgz.java   | 73 -------------------
 .../org/openslx/taskmanager/tasks/Symlink.java     | 83 ++++++++++++++++++++++
 2 files changed, 83 insertions(+), 73 deletions(-)
 delete mode 100644 src/main/java/org/openslx/taskmanager/tasks/LinkConfigTgz.java
 create mode 100644 src/main/java/org/openslx/taskmanager/tasks/Symlink.java

diff --git a/src/main/java/org/openslx/taskmanager/tasks/LinkConfigTgz.java b/src/main/java/org/openslx/taskmanager/tasks/LinkConfigTgz.java
deleted file mode 100644
index 7816247..0000000
--- a/src/main/java/org/openslx/taskmanager/tasks/LinkConfigTgz.java
+++ /dev/null
@@ -1,73 +0,0 @@
-package org.openslx.taskmanager.tasks;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.io.FilenameUtils;
-import org.openslx.satserver.util.Util;
-import org.openslx.taskmanager.api.AbstractTask;
-
-import com.google.gson.annotations.Expose;
-
-public class LinkConfigTgz extends AbstractTask
-{
-
-	protected static final String[] ALLOWED_DIRS =
-	{ "/tmp/", "/opt/openslx/configs/" };
-
-	@Expose
-	private String destination = null;
-
-	private Output status = new Output();
-
-	@Override
-	protected boolean initTask()
-	{
-		this.setStatusObject( status );
-		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;
-	}
-
-	@Override
-	protected boolean execute()
-	{
-		try {
-			Files.createDirectory( Paths.get( "/srv/openslx/www/boot/default" ) );
-		} catch ( Exception e ) {
-		}
-		try {
-			FileUtils.deleteQuietly( new File( "/srv/openslx/www/boot/default/config.tgz" ) );
-		} catch ( Exception e ) {
-		}
-		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;
-	}
-
-	/**
-	 * Output - contains additional status data of this task
-	 */
-	@SuppressWarnings( "unused" )
-	private static class Output
-	{
-		protected String error = null;
-	}
-
-}
diff --git a/src/main/java/org/openslx/taskmanager/tasks/Symlink.java b/src/main/java/org/openslx/taskmanager/tasks/Symlink.java
new file mode 100644
index 0000000..7a6a3bd
--- /dev/null
+++ b/src/main/java/org/openslx/taskmanager/tasks/Symlink.java
@@ -0,0 +1,83 @@
+package org.openslx.taskmanager.tasks;
+
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.FilenameUtils;
+import org.openslx.satserver.util.Util;
+import org.openslx.taskmanager.api.AbstractTask;
+
+import com.google.gson.annotations.Expose;
+
+public class Symlink extends AbstractTask
+{
+
+	protected static final String[] ALLOWED_DIRS =
+	{ "/srv/openslx/www/boot/" };
+
+	@Expose
+	private String target = null;
+	@Expose
+	private String linkname = null;
+
+	private Output status = new Output();
+
+	@Override
+	protected boolean initTask()
+	{
+		if ( Util.isEmpty( this.linkname ) ) {
+			status.error = "Link name empty";
+			return false;
+		}
+		if ( this.linkname.endsWith( "/" ) ) {
+			status.error = "Link name ends with slash";
+			return false;
+		}
+		this.setStatusObject( status );
+		if ( Util.isEmpty( this.target ) ) {
+			status.error = "Target empty";
+			return false;
+		}
+		this.linkname = FilenameUtils.normalize( this.linkname );
+		if ( !Util.startsWith( this.linkname, ALLOWED_DIRS ) ) {
+			status.error = "Link name not in allowed directory";
+			return false;
+		}
+		if ( !this.target.startsWith( "/" ) ) {
+			this.target = new File( this.linkname ).getParent() + "/" + this.target;
+		}
+		this.target = FilenameUtils.normalize( this.target );
+		if ( !Util.startsWith( this.target, ALLOWED_DIRS ) ) {
+			status.error = "Target not in allowed directory";
+			return false;
+		}
+		return true;
+	}
+
+	@Override
+	protected boolean execute()
+	{
+		FileUtils.deleteQuietly( new File( linkname ) );
+		if ( this.target != null ) {
+   		try {
+   			Files.createSymbolicLink( Paths.get( this.linkname ), Paths.get( this.target ) );
+   		} catch ( Exception e ) {
+   			status.error = e.toString();
+   			return false;
+   		}
+		}
+		return true;
+	}
+
+	/**
+	 * Output - contains additional status data of this task
+	 */
+	@SuppressWarnings( "unused" )
+	private static class Output
+	{
+		protected String error = null;
+	}
+
+}
-- 
cgit v1.2.3-55-g7522