Serialize Files

If your client has donator options, needs a file to be downloaded or anything to get from internet, then this might come in useful.
The outcome of this is creating your own file type (ie it has a custom extension).

To start, I created a new project. This new project would contain all of the class files for the file creator.
Go ahead and open up a new project and create... 2 packages. Name them to whatever you want.
Mine is Gui and Files.

The gui will contain the gui.. (duh).. and the files will have the files and stuff..
To start, lets create a new class in the Gui package. Lets call this class A_ScreenGui.

JFrame

Code:

public static void main(String args[]) {
	/** Creating Main JFrame */
	JFrame frame = new JFrame("[SFS]");                                       //Initialize JFrame
	frame.setVisible(true);                                                           //Make the JFrame visible
	frame.setTitle("Secure File System");                                       //Set the title for JFrame
	frame.setSize(400, 200);                                                        //Set the size of the frame
	frame.setLayout(new FlowLayout());                                       //Set a flowing layout
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);          //Create a default exit of the program
		
	JButton Make = new JButton("Make");                                     //Create a JButton called Make
	//JButton Unzip = new JButton("Unzip");                                  //Creates a JButton to unzip/open the file
	Make.setSize(new Dimension(40, 40));                                    //Sets the size for the buttons
	//Unzip.setSize(new Dimension(40, 40));                                 //^^
	frame.add(Make);                                                               //Adds the button to the JFrame
	//frame.add(Unzip);                                                            //^^
	//Unzip.addActionListener(new ActionButtonListener());            //Adds a listener
	Make.addActionListener(new ActionButtonListener());              //^^
}

The functions should go underneath the JFrame main void unless you want it to add it in another class to keep organized.

Functions

Code:

/** Functions */
public static void Serialize() {
	FileOne f1 = new FileOne();                                                 //Creates an object class
	f1.username = "Wampwire";                                                 //Sets a String username to be "Wampwire"
	f1.donator = "true";                                                           //String donator = "true"
	f1.version = 1;                                                          //version
	f1.something = 1;                                                             //Something equals to 1 :)
		
	try {                                                                              //Use a try catch method
	        FileOutputStream fileOut = new FileOutputStream("FileOne.sfsx"); //Creates a File called FileOne with the extension of sfsx
		ObjectOutputStream out = new ObjectOutputStream(fileOut);     //Creates the FileOut into an Object Output Stream (OOS)
		out.writeObject(f1);                                                             //Writes the object f1 (FileOne class) via OOS
	        out.close();                                                        //Closes Object Output Stream (because were memory efficient fuckers :P)
	        fileOut.close();                                                    //Closes the FileOutputStream
	        
	} catch(IOException e) {                                               //Catches any input output exceptions and prints them out in the console
		e.printStackTrace();
	}
}

Lets create the basis of FileOne class. Go ahead and create a new class in the File package.

FileOne

Code:

public class FileOne implements java****.Serializable{                           //Makes class serializable
	public String username;                                                        //Creates a String called username
	public String donator;                                                          //String called donator
	public int version;                                                               //Int Version
	public transient int something;                                             //Int Number (transient) doesnt serialize (would return 0)
}

We need this so that we can listen (see) any changes done to the buttons. Either is pressed or not.

ActionButtonListener

Code:

public class ActionButtonListener implements ActionListener {                              //Makes the class behaviour the same as ActionListener
    public ActionButtonListener(){}                                                                  //Leave empty but still initialize it
    	public void actionPerformed(ActionEvent e) {                                            //Get the action and name it as e
    		if(e.getActionCommand().equals("Make")) {                                      //If button "Make" was pressed, call void
    			A_ScreenGui.Serialize();                                                        //Calling the void we created
    		}
    		//if(e.getActionCommand().equals("Unzip")) {                                    //You havent added this in to this project so dont worry
    		//	A_ScreenGui.Deserialize();
    		//}
    	}
}

Ok. Youre almost done. All you have to do is create a class file, or use my method where the FileOne is used as a template and serialize it.
Upload it to the internet and use IOStreams/BufferedReaders or Sockets to download the file.

Now, you might think... Whats the point of this if we cant read it, or java cant read it... Well, we gotta create a deserializer (Sounds fancy, doesnt it? :P) Go to your minecraft client, create a new class and create this void.

Deserializer

Code:

public static void Deserialize() {                                                         //Creates a void
	FileOne f1 = null;                                                                     //Sets the object FileOne to f1 which equals to null
	try {                                                                                     //Try catch statement
		FileInputStream fileIn = new FileInputStream("FileOne.sfsx"); //Grabs the file (put in the url to where your file is downloaded)
		ObjectInputStream in = new ObjectInputStream(fileIn);        //Creates fileIn into Object and grabs it
		f1 = (FileOne)in.readObject();                                          //Reads Object FileOne
		in.close();                                                                    //Close ObjectInputStream (efficiency fuckers)
	        fileIn.close();                                                                //Close FileInputStream (Even more efficiency)
	} catch(IOException e) {                                                        //Catch input output exceptions
		e.printStackTrace();                                                       //Prints the exception in the console
	        return;                                                                        //Return method .-.
	} catch(ClassNotFoundException c) {                                        //Catch FileNotFound exception
		System.out.println("FileOne class not found");                    //Prints out to console
	        c.printStackTrace();                                                      //Prints exception to console
	        return;                                                                          //Return Method
	}

	System.out.println("Deserialized FileOne...");                               //Print to console
        System.out.println("Name: " + f1.name);                                    //Print to console
        System.out.println("Donator: " + f1.donator);                             //Screw this shit
	System.out.println("Version: " + f1.Version); //...............
	System.out.println("Something: " + f1.something); //Returns zero as its not serializable variable
}

Now call this void from a place which suits you in your MC Client.
You can also add this void in your main program which serializes the file in the first place to test it (Thats why I commented a lot of things out at first).

Advantage to using this:
Sort of obfuscates the file, allowing safer donator statuses which arent hard coded into the client itself.
Allows all sorts of data to be used. Even allows voids (y)

Disadvantage to using this:
Easily "cracked" by creating identical program and deserializing the file.

To get rid of the disadvantage, I used string encryption and decryption. First it encrypts the strings, then it writes it to a file. Once it gets the file, its deserialized and then decrypted.

Maybe this will be usefull to some people to just look at it... Sorry about the comments, I wrote all them in and didnt bother to check how it looked so now I said screw formating..

Outcome of the Program, File, and Output in the console:

Images

thanks for your help

cool thx for sharing.

Guess I'll add this as some kind of security to my client later, thanks op. My client is completely unprotected atm

lol

Serialize Files

The gui will contain the gui.. (duh).. and the files will have the files and stuff..
To start, lets create a new class in the Gui package. Lets call this class A_ScreenGui.

JFrame

Code:

public static void main(String args[]) {
	/** Creating Main JFrame */
	JFrame frame = new JFrame("[SFS]");                                       //Initialize JFrame
	frame.setVisible(true);                                                           //Make the JFrame visible
	frame.setTitle("Secure File System");                                       //Set the title for JFrame
	frame.setSize(400, 200);                                                        //Set the size of the frame
	frame.setLayout(new FlowLayout());                                       //Set a flowing layout
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);          //Create a default exit of the program
		
	JButton Make = new JButton("Make");                                     //Create a JButton called Make
	//JButton Unzip = new JButton("Unzip");                                  //Creates a JButton to unzip/open the file
	Make.setSize(new Dimension(40, 40));                                    //Sets the size for the buttons
	//Unzip.setSize(new Dimension(40, 40));                                 //^^
	frame.add(Make);                                                               //Adds the button to the JFrame
	//frame.add(Unzip);                                                            //^^
	//Unzip.addActionListener(new ActionButtonListener());            //Adds a listener
	Make.addActionListener(new ActionButtonListener());              //^^
}

The functions should go underneath the JFrame main void unless you want it to add it in another class to keep organized.

Functions

Code:

/** Functions */
public static void Serialize() {
	FileOne f1 = new FileOne();                                                 //Creates an object class
	f1.username = "Wampwire";                                                 //Sets a String username to be "Wampwire"
	f1.donator = "true";                                                           //String donator = "true"
	f1.version = 1;                                                          //version
	f1.something = 1;                                                             //Something equals to 1 :)
		
	try {                                                                              //Use a try catch method
	        FileOutputStream fileOut = new FileOutputStream("FileOne.sfsx"); //Creates a File called FileOne with the extension of sfsx
		ObjectOutputStream out = new ObjectOutputStream(fileOut);     //Creates the FileOut into an Object Output Stream (OOS)
		out.writeObject(f1);                                                             //Writes the object f1 (FileOne class) via OOS
	        out.close();                                                        //Closes Object Output Stream (because were memory efficient fuckers :P)
	        fileOut.close();                                                    //Closes the FileOutputStream
	        
	} catch(IOException e) {                                               //Catches any input output exceptions and prints them out in the console
		e.printStackTrace();
	}
}

Lets create the basis of FileOne class. Go ahead and create a new class in the File package.

FileOne

Code:

public class FileOne implements java****.Serializable{                           //Makes class serializable
	public String username;                                                        //Creates a String called username
	public String donator;                                                          //String called donator
	public int version;                                                               //Int Version
	public transient int something;                                             //Int Number (transient) doesnt serialize (would return 0)
}

We need this so that we can listen (see) any changes done to the buttons. Either is pressed or not.

ActionButtonListener

Code:

public class ActionButtonListener implements ActionListener {                              //Makes the class behaviour the same as ActionListener
    public ActionButtonListener(){}                                                                  //Leave empty but still initialize it
    	public void actionPerformed(ActionEvent e) {                                            //Get the action and name it as e
    		if(e.getActionCommand().equals("Make")) {                                      //If button "Make" was pressed, call void
    			A_ScreenGui.Serialize();                                                        //Calling the void we created
    		}
    		//if(e.getActionCommand().equals("Unzip")) {                                    //You havent added this in to this project so dont worry
    		//	A_ScreenGui.Deserialize();
    		//}
    	}
}

Deserializer

Code:

public static void Deserialize() {                                                         //Creates a void
	FileOne f1 = null;                                                                     //Sets the object FileOne to f1 which equals to null
	try {                                                                                     //Try catch statement
		FileInputStream fileIn = new FileInputStream("FileOne.sfsx"); //Grabs the file (put in the url to where your file is downloaded)
		ObjectInputStream in = new ObjectInputStream(fileIn);        //Creates fileIn into Object and grabs it
		f1 = (FileOne)in.readObject();                                          //Reads Object FileOne
		in.close();                                                                    //Close ObjectInputStream (efficiency fuckers)
	        fileIn.close();                                                                //Close FileInputStream (Even more efficiency)
	} catch(IOException e) {                                                        //Catch input output exceptions
		e.printStackTrace();                                                       //Prints the exception in the console
	        return;                                                                        //Return method .-.
	} catch(ClassNotFoundException c) {                                        //Catch FileNotFound exception
		System.out.println("FileOne class not found");                    //Prints out to console
	        c.printStackTrace();                                                      //Prints exception to console
	        return;                                                                          //Return Method
	}

	System.out.println("Deserialized FileOne...");                               //Print to console
        System.out.println("Name: " + f1.name);                                    //Print to console
        System.out.println("Donator: " + f1.donator);                             //Screw this shit
	System.out.println("Version: " + f1.Version); //...............
	System.out.println("Something: " + f1.something); //Returns zero as its not serializable variable
}

Images

thanks for your help

cool thx for sharing.

Guess I'll add this as some kind of security to my client later, thanks op. My client is completely unprotected atm

lol

Serialize Files

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