//--------------------------------------------------------------------------------------------------
//
//  @ CopyRight Roberti & Parau Enterprises, Inc.  2021-2023
//
//  This work is licensed under the Creative Commons Attribution-NoDerivatives 4.0 International License.
//  To view a copy of this license, visit http://creativecommons.org/licenses/by-nd/4.0/
//   or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
//
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//
//	Implement security manager to control macro execution
//
//--------------------------------------------------------------------------------------------------

package 	framework;

import 		java.io.FileDescriptor;
import 		java.io.PrintStream;

public		class 	DVSecurityManager 	extends		SecurityManager {
	
	//
	//	Socket security
	//
	@Override
	public	void	checkAccept(String host, int port) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkConnect(String host, int port) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkConnect(String host, int port, Object exContext) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkListen(int port) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	
	//
	//	Check access
	//
	@Override
	public	void	checkAccess(Thread thread) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkAccess(ThreadGroup threadGroup) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	
	//
	//	Check create class loader
	//
	@Override
	public	void	checkCreateClassLoader() { }
	
	//
	//	Check I/O
	//
	@Override
	public	void	checkDelete(String fileName) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkLink(String libName) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkRead(FileDescriptor fileDescriptor) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkRead(String fileName) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkRead(String fileName, Object exContext) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkWrite(FileDescriptor fileDescriptor) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkWrite(String fileName) { 
		if (Thread.currentThread().getName().equals("Script")) 
			throwException();
	}
	
	//
	//	Check command execution
	//
	@Override
	public	void	checkExec(String cmdName) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	
	//
	//	Check interpreter exit
	//
	@Override
	public	void	checkExit(int status) { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	
	//
	//	Check package access
	//
	@Override
	public	void	checkPackageAccess(String packageName) { }
	
	//
	//	Check property access
	//
	@Override
	public	void	checkPropertiesAccess() { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	@Override
	public	void	checkPropertyAccess(String key) { }
	
	//
	//	Check networking
	//
	@Override
	public	void	checkSetFactory() { 
		if (Thread.currentThread().getName().equals("Script"))
			throwException();
	}
	
	//
	//	Throw exception
	//
	void	throwException() {
		throw new SecurityException();
	}
}