#! /usr/bin/env python

#coding=utf-8

import hashlib

import random

import os

###############################

# Describe : 混淆Unity脚本文件

# D&P Author By:   常成功

# Create Date:     2014-11-25

# Modify Date:     2014-11-25

###############################

#想混淆的变量/方法名

raw_name_list = ["function_1", "function_2", "var_1", "var_2",]

#混淆后的变量/方法名

new_name_list = []

#随机可选的字母表

alphabet = ["a", "b", "c", "d", "e", "f", "g",

"h", "i", "j", "k", "l", "m", "n", "o", "p", "q",

"r", "s", "t", "u", "v", "w", "x", "y", "z",

]

#生成新的变量名

def create_new_name() :

m = hashlib.md5()

#生成随机变量名

for raw_name in raw_name_list:

m.update(raw_name)

#生成一个16位的字串

temp_name = m.hexdigest()[0:16]

#合法名称校验

#强制以字母作为变量/方法名的开头

if temp_name[0].isdigit():

initial = random.choice(alphabet)

temp_name = initial + temp_name

temp_name = temp_name[0:16]

#不能重名

while(1):

if temp_name in new_name_list :

initial = random.choice(alphabet)

temp_name = initial + temp_name

temp_name = temp_name[0:16]

else:

new_name_list.append(temp_name)

break

#混淆文件

def confuse_file(path_filename):

file_content = ""

#读文件内容

f = file(path_filename)

# if no mode is specified, 'r'ead mode is assumed by default

while True:

line = f.readline()

if len(line) == 0: # Zero length indicates EOF

break

#混淆

name_index = 0

for raw_name in raw_name_list:

the_new_name = new_name_list[name_index]

line = line.replace(raw_name, the_new_name)

name_index += 1

file_content += line

f.close()

#重写文件

f = file(path_filename, 'w')

f.write(file_content)

f.close()

#遍历当前目录下的所有.cs文件

def confuse_all():

#获取当前目录

dir = os.getcwd()

for root, dirs, filename in os.walk(dir):

for file in filename:

path_filename = os.path.join(root, file)

if path_filename.endswith('.cs'):

confuse_file(path_filename)

print "Confuse File: ", path_filename

if __name__=="__main__":

create_new_name()

confuse_all()

#打印一下混淆的情况.

#如果用文本保存起来, 那么以后可以反混淆, 还原文件

print "Start Confuse ...."

for j in range(0, len(raw_name_list)) :

print raw_name_list[j] , " --> " , new_name_list[j]

print "Confuse Complete !"