JObfuscator API Documentation

Automate Java source code obfuscation with a flexible Web API for software developers and programmers.

Description

You can use all of the features of JObfuscator via our Web API interface. The Web API is based on POST requests and emits JSON encoded responses.

Installation

For faster deployment, the PHP installation package for the JObfuscator Web API has been uploaded to the popular Packagist repository. The source code has also been published on Github:

Repository Language Installation Package Sources

Repository	Language	Installation	Package	Sources
	PHP	Run: `php composer.phar require --prefer-dist pelock/jobfuscator ""` or add the following to `require` section of your `composer.json` file `"pelock/jobfuscator": ""`	Packagist	GitHub
	Python	`pip install jobfuscator`	PyPI	GitHub

PHP

Run:

php composer.phar require --prefer-dist pelock/jobfuscator "*"

or add the following to require section of your composer.json file

"pelock/jobfuscator": "*"

Packagist

GitHub

Python

pip install jobfuscator

PyPI

GitHub

Usage examples

Obfuscate Java with default options

PHP
Python

<?php

/******************************************************************************
 * JObfuscator WebApi interface usage example.
 *
 * In this example we will obfuscate sample source with default options.
 *
 * Version        : v1.04
 * Language       : PHP
 * Author         : Bartosz Wójcik
 * Web page       : https://www.pelock.com
 *
 *****************************************************************************/

//
// include JObfuscator class
//
use PELock\JObfuscator;

//
// if you don't want to use Composer use include_once
//
//include_once "JObfuscator.php";

//
// create JObfuscator class instance (we are using our activation key)
//
$myJObfuscator = new PELock\JObfuscator("ABCD-ABCD-ABCD-ABCD");

//
// source code in Java format
//
$sourceCode = 'import java.util.*;
import java.lang.*;
import java.io.*;

//
// you must include custom annotation
// to enable entire class or a single
// method obfuscation
//
@Obfuscate
class Ideone
{
    //@Obfuscate
    public static double calculateSD(double numArray[])
    {
        double sum = 0.0, standardDeviation = 0.0;
        int length = numArray.length;

        for(double num : numArray) {
            sum += num;
        }

        double mean = sum/length;

        for(double num: numArray) {
            standardDeviation += Math.pow(num - mean, 2);
        }

        return Math.sqrt(standardDeviation/length);
    }

    //
    // selective obfuscation strategies
    // can be applied for the entire
    // class or a single method (by
    // default all obfuscation strategies
    // are enabled when you use @Obfuscate
    // annotation alone)
    //
    //@Obfuscate(
    //  ints_math_crypt = true,
    //  crypt_strings = true,
    //  rename_methods = false,
    //  rename_variables = true,
    //  shuffle_methods = true,
    //  mix_code_flow = true,
    //  ints_to_arrays = true,
    //  dbls_to_arrays = true
    // )
    public static void main(String[] args) {

        double[] numArray = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
        double SD = calculateSD(numArray);

        System.out.format("Standard Deviation = %.6f", SD);
    }
}';

//
// by default all obfuscation options are enabled, so we can just simply call:
//
$result = $myJObfuscator->ObfuscateJavaSource($sourceCode);

//
// it's also possible to pass a Java source file path instead of a string e.g.
//
// $result = $myJObfuscator->ObfuscateJavaFile("/path/to/project/source.java");

//
// $result[] array holds the obfuscation results as well as other information
//
// $result["error"]         - error code
// $result["output"]        - obfuscated code
// $result["demo"]          - was it used in demo mode (invalid or empty activation key was used)
// $result["credits_left"]  - usage credits left after this operation
// $result["credits_total"] - total number of credits for this activation code
// $result["expired"]       - if this was the last usage credit for the activation key it will be set to true
//
if ($result !== false)
{
	// display obfuscated code
	if ($result["error"] === \PELock\JObfuscator::ERROR_SUCCESS)
	{
		// format output code for HTML display
		echo "<pre>" . htmlentities($result["output"]) . "</pre>";
	}
	else
	{
		die("An error occurred, error code: " . $result["error"]);
	}
}
else
{
	die("Something unexpected happen while trying to obfuscate the code.");
}

?>

#!/usr/bin/env python

###############################################################################
#
# JObfuscator WebApi interface usage example.
#
# In this example we will obfuscate sample source with default options.
#
# Version        : v1.04
# Language       : Python
# Author         : Bartosz Wójcik
# Web page       : https://www.pelock.com
#
###############################################################################

#
# include JObfuscator module
#
from jobfuscator import JObfuscator

#
# if you don't want to use Python module, you can import directly from the file
#
#from pelock.jobfuscator import JObfuscator

#
# create JObfuscator class instance (we are using our activation key)
#
myJObfuscator = JObfuscator("ABCD-ABCD-ABCD-ABCD")

#
# source code in Java format
#
sourceCode = """import java.util.*;
import java.lang.*;
import java.io.*;

//
// you must include custom annotation
// to enable entire class or a single
// method obfuscation
//
@Obfuscate
class Ideone
{
    //@Obfuscate
    public static double calculateSD(double numArray[])
    {
        double sum = 0.0, standardDeviation = 0.0;
        int length = numArray.length;

        for(double num : numArray) {
            sum += num;
        }

        double mean = sum/length;

        for(double num: numArray) {
            standardDeviation += Math.pow(num - mean, 2);
        }

        return Math.sqrt(standardDeviation/length);
    }

    //
    // selective obfuscation strategies
    // can be applied for the entire
    // class or a single method (by
    // default all obfuscation strategies
    // are enabled when you use @Obfuscate
    // annotation alone)
    //
    //@Obfuscate(
    //  ints_math_crypt = true,
    //  crypt_strings = true,
    //  rename_methods = false,
    //  rename_variables = true,
    //  shuffle_methods = true,
    //  mix_code_flow = true,
    //  ints_to_arrays = true,
    //  dbls_to_arrays = true
    // )
    public static void main(String[] args) {

        double[] numArray = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
        double SD = calculateSD(numArray);

        System.out.format("Standard Deviation = %.6f", SD);
    }
}"""

#
# by default all obfuscation options are enabled, so we can just simply call
#
result = myJObfuscator.obfuscate_java_source(sourceCode)

#
# it's also possible to pass a Java source file path instead of a string with the source e.g.
#
# result = myJObfuscator.obfuscate_java_file("/path/to/project/source.java")

#
# result[] array holds the obfuscation results as well as other information
#
# result["error"]         - error code
# result["output"]        - obfuscated code
# result["demo"]          - was it used in demo mode (invalid or empty activation key was used)
# result["credits_left"]  - usage credits left after this operation
# result["credits_total"] - total number of credits for this activation code
# result["expired"]       - if this was the last usage credit for the activation key it will be set to True
#
if result and "error" in result:

    # display obfuscated code
    if result["error"] == JObfuscator.ERROR_SUCCESS:

        # format output code for HTML display
        print(result["output"])

    else:
        print(f'An error occurred, error code: {result["error"]}')

else:
    print("Something unexpected happen while trying to obfuscate the code.")

Customize obfuscation options

PHP
Python

<?php

/******************************************************************************
 * JObfuscator WebApi interface usage example.
 *
 * In this example we will obfuscate sample source with custom options.
 *
 * Version        : v1.04
 * Language       : PHP
 * Author         : Bartosz Wójcik
 * Web page       : https://www.pelock.com
 *
 *****************************************************************************/

//
// include JObfuscator class
//
use PELock\JObfuscator;

//
// if you don't want to use Composer use include_once
//
//include_once "JObfuscator.php";

//
// create JObfuscator class instance (we are using our activation key)
//
$myJObfuscator = new PELock\JObfuscator("ABCD-ABCD-ABCD-ABCD");

//
// should the source code be compressed (both input & compressed)
//
$myJObfuscator->enableCompression = true;

//
// global obfuscation options
//
// when disabled will discard any @Obfuscate annotation declaration
// in the Java source code
//
// you can disable a particular obfuscation strategy globally if it
// fails or you don't want to use it without modifying the source codes
//
// by default all obfuscation strategies are enabled
//

//
// change linear code execution flow to non-linear version
//
$myJObfuscator->mixCodeFlow = true;

//
// rename variable names to random string values
//
$myJObfuscator->renameVariables = true;

//
// rename method names to random string values
//
$myJObfuscator->renameMethods = true;

//
// encrypt integers using more than 15 floating point math functions from the java.lang.Math.* class
//
$myJObfuscator->intsMathCrypt = true;

//
// encrypt strings using polymorphic encryption algorithms
//
$myJObfuscator->cryptStrings = true;

//
// for each method, extract all possible integers from the code and store them in an array
//
$myJObfuscator->intsToArrays = true;

//
// for each method, extract all possible doubles from the code and store them in an array
//
$myJObfuscator->dblsToArrays = true;


//
// source code in Java format
//
$sourceCode = 'import java.util.*;
import java.lang.*;
import java.io.*;

//
// you must include custom annotation
// to enable entire class or a single
// method obfuscation
//
@Obfuscate
class Ideone
{
    //@Obfuscate
    public static double calculateSD(double numArray[])
    {
        double sum = 0.0, standardDeviation = 0.0;
        int length = numArray.length;

        for(double num : numArray) {
            sum += num;
        }

        double mean = sum/length;

        for(double num: numArray) {
            standardDeviation += Math.pow(num - mean, 2);
        }

        return Math.sqrt(standardDeviation/length);
    }

    //
    // selective obfuscation strategies
    // can be applied for the entire
    // class or a single method (by
    // default all obfuscation strategies
    // are enabled when you use @Obfuscate
    // annotation alone)
    //
    //@Obfuscate(
    //  ints_math_crypt = true,
    //  crypt_strings = true,
    //  rename_methods = false,
    //  rename_variables = true,
    //  shuffle_methods = true,
    //  mix_code_flow = true,
    //  ints_to_arrays = true,
    //  dbls_to_arrays = true
    // )
    public static void main(String[] args) {

        double[] numArray = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
        double SD = calculateSD(numArray);

        System.out.format("Standard Deviation = %.6f", SD);
    }
}';

//
// by default all options are enabled, both helper random numbers
// generation & obfuscation strategies, so we can just simply call:
//
$result = $myJObfuscator->ObfuscateJavaSource($sourceCode);

//
// it's also possible to pass a Java source file path instead of a string e.g.
//
// $result = $myJObfuscator->ObfuscateJavaFile("/path/to/project/source.java");

//
// $result[] array holds the obfuscation results as well as other information
//
// $result["error"]         - error code
// $result["output"]        - obfuscated code
// $result["demo"]          - was it used in demo mode (invalid or empty activation key was used)
// $result["credits_left"]  - usage credits left after this operation
// $result["credits_total"] - total number of credits for this activation code
// $result["expired"]       - if this was the last usage credit for the activation key it will be set to true
//
if ($result !== false)
{
	// display obfuscated code
	if ($result["error"] === \PELock\JObfuscator::ERROR_SUCCESS)
	{
		// format output code for HTML display
		echo "<pre>" . htmlentities($result["output"]) . "</pre>";
	}
	else
	{
		die("An error occurred, error code: " . $result["error"]);
	}
}
else
{
	die("Something unexpected happen while trying to obfuscate the code.");
}

?>

#!/usr/bin/env python

###############################################################################
#
# JObfuscator WebApi interface usage example.
#
# In this example we will obfuscate sample source with custom options.
#
# Version        : v1.04
# Language       : Python
# Author         : Bartosz Wójcik
# Web page       : https://www.pelock.com
#
###############################################################################

#
# include JObfuscator module
#
from jobfuscator import JObfuscator

#
# if you don't want to use Python module, you can import directly from the file
#
#from pelock.jobfuscator import JObfuscator

#
# create JObfuscator class instance (we are using our activation key)
#
myJObfuscator = JObfuscator("ABCD-ABCD-ABCD-ABCD")

#
# global obfuscation options
#
# when disabled will discard any @Obfuscate annotation declaration
# in the Java source code
#
# you can disable a particular obfuscation strategy globally if it
# fails or you don't want to use it without modifying the source codes
#
# by default all obfuscation strategies are enabled
#

#
# should the source code be compressed (both input & compressed)
#
myJObfuscator.enableCompression = True

#
# change linear code execution flow to non-linear version
#
myJObfuscator.mixCodeFlow = True

#
# rename variable names to random string values
#
myJObfuscator.renameVariables = True

#
# rename method names to random string values
#
myJObfuscator.renameMethods = True

#
# encrypt integers using more than 15 floating point math functions from the java.lang.Math.* class
#
myJObfuscator.intsMathCrypt = True

#
# encrypt strings using polymorphic encryption algorithms
#
myJObfuscator.cryptStrings = True

#
# for each method, extract all possible integers from the code and store them in an array
#
myJObfuscator.intsToArrays = True

#
# for each method, extract all possible doubles from the code and store them in an array
#
myJObfuscator.dblsToArrays = True

#
# source code in Java format
#
sourceCode = """import java.util.*;
import java.lang.*;
import java.io.*;

//
// you must include custom annotation
// to enable entire class or a single
// method obfuscation
//
@Obfuscate
class Ideone
{
    //@Obfuscate
    public static double calculateSD(double numArray[])
    {
        double sum = 0.0, standardDeviation = 0.0;
        int length = numArray.length;

        for(double num : numArray) {
            sum += num;
        }

        double mean = sum/length;

        for(double num: numArray) {
            standardDeviation += Math.pow(num - mean, 2);
        }

        return Math.sqrt(standardDeviation/length);
    }

    //
    // selective obfuscation strategies
    // can be applied for the entire
    // class or a single method (by
    // default all obfuscation strategies
    // are enabled when you use @Obfuscate
    // annotation alone)
    //
    //@Obfuscate(
    //  ints_math_crypt = true,
    //  crypt_strings = true,
    //  rename_methods = false,
    //  rename_variables = true,
    //  shuffle_methods = true,
    //  mix_code_flow = true,
    //  ints_to_arrays = true,
    //  dbls_to_arrays = true
    // )
    public static void main(String[] args) {

        double[] numArray = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
        double SD = calculateSD(numArray);

        System.out.format("Standard Deviation = %.6f", SD);
    }
}"""

#
# by default all obfuscation options are enabled, so we can just simply call
#
result = myJObfuscator.obfuscate_java_source(sourceCode)

#
# result[] array holds the obfuscation results as well as other information
#
# result["error"]         - error code
# result["output"]        - obfuscated code
# result["demo"]          - was it used in demo mode (invalid or empty activation key was used)
# result["credits_left"]  - usage credits left after this operation
# result["credits_total"] - total number of credits for this activation code
# result["expired"]       - if this was the last usage credit for the activation key it will be set to True
#
if result and "error" in result:

    # display obfuscated code
    if result["error"] == JObfuscator.ERROR_SUCCESS:

        # format output code for HTML display
        print(result["output"])
    else:
        print(f'An error occurred, error code: {result["error"]}')

else:
    print("Something unexpected happen while trying to obfuscate the code.")

Validate activation key

PHP
Python

<?php

/******************************************************************************
 * JObfuscator WebApi interface usage example.
 *
 * In this example we will verify our activation key status.
 *
 * Version        : v1.04
 * Language       : PHP
 * Author         : Bartosz Wójcik
 * Web page       : https://www.pelock.com
 *
 *****************************************************************************/

//
// include JObfuscator class
//
use PELock\JObfuscator;

//
// if you don't want to use Composer use include_once
//
//include_once "JObfuscator.php";

//
// create JObfuscator class instance (we are using our activation key)
//
$myJObfuscator = new PELock\JObfuscator("ABCD-ABCD-ABCD-ABCD");

//
// login to the service
//
$result = $myJObfuscator->Login();

//
// $result[] array holds the information about the license
//
// $result["demo"]          - is it a demo mode (invalid or empty activation key was used)
// $result["credits_left"]  - usage credits left after this operation
// $result["credits_total"] - total number of credits for this activation code
// $result["string_limit"]  - max. source code size allowed (it's 1500 bytes for demo mode)
//
if ($result !== false)
{
	echo "Demo version status - " . ($result["demo"] ? "true" : "false") . "<br>";
	echo "Usage credits left - " . $result["credits_left"] . "<br>";
	echo "Total usage credits - " . $result["credits_total"] . "<br>";
	echo "Max. source code size - " . $result["string_limit"] . "<br>";
}
else
{
	die("Something unexpected happen while trying to login to the service.");
}

?>

#!/usr/bin/env python

###############################################################################
#
# JObfuscator WebApi interface usage example.
#
# In this example we will verify our activation key status.
#
# Version        : v1.04
# Language       : Python
# Author         : Bartosz Wójcik
# Web page       : https://www.pelock.com
#
###############################################################################

#
# include JObfuscator module
#
from jobfuscator import JObfuscator

#
# if you don't want to use Python module, you can import directly from the file
#
#from pelock.jobfuscator import JObfuscator

#
# create JObfuscator class instance (we are using our activation key)
#
myJObfuscator = JObfuscator("ABCD-ABCD-ABCD-ABCD")

#
# login to the service
#
result = myJObfuscator.login()

#
# result[] array holds the information about the license
#
# result["demo"]          - is it a demo mode (invalid or empty activation key was used)
# result["credits_left"]  - usage credits left after this operation
# result["credits_total"] - total number of credits for this activation code
# result["string_limit"]  - max. source code size allowed (it's 1500 bytes for demo mode)
#
if result:

    print(f'Demo version status - {"True" if result["demo"] else "False"}')
    print(f'Usage credits left - {result["credits_left"]}')
    print(f'Total usage credits - {result["credits_total"]}')
    print(f'Max. source code size - {result["string_limit"]}')

else:
    print("Something unexpected happen while trying to login to the service.")

Return values

$result["error"] [out]: Error code. One of the following:
$result["output"] [out, optional]: Obfuscated source code.
$result["demo"] [out]: Are we running in full or demo mode.
$result["credits_left"] [out]: Usage credits left for the provided activation code.
$result["credits_total"] [out]: Usage credits left for the provided activation code.
$result["expired"] [out, optional]: If set to true it means our activation code has expired (it was the last run).
$result["string_limit"] [out, optional]: Source code size limit for full & demo version.

Name	Value	Description
ERROR_SUCCESS	`0`	Everything went fine.
ERROR_INPUT_SIZE	`1`	Source code size is too big. Most probably you hit the demo mode limitation (1500 characters max.).
ERROR_INPUT	`2`	Malformed source code, check the syntax.
ERROR_PARSING	`3`	Java source code parsing error.
ERROR_OBFUSCATION	`4`	Java parsed code obfuscation error.
ERROR_OUTPUT	`5`	Java error while generating output code.

Requirements

PHP Library	JObfuscator
Python 3 Module	JObfuscator

Questions?

If you would like to ask me about JObfuscator, or something's not clear, mail me. I'll be happy to answer all of your questions.

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