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Project.py
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Project.py
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import copy
import os
import shutil
from typing import List, Dict
from time import sleep
from Module import Module
from NameGenerator import NameGenerator
from ObfuscationParams import ObfuscationParams
from UtilFuncs import delete_duplicates
class Project:
def __init__(self, oldFolder: str):
# Установка параметров обфускации
self.params: ObfuscationParams = ObfuscationParams()
# Старая и новые папки проекта
self.oldFolder: str = oldFolder
path, filename = list(os.path.split(oldFolder))
self.newFolder: str = os.path.join(path, self.prefix + filename)
# Сохранение в self.files путей к файлам, которые надо обфусцировать
# Остальные копируются в новую папку проекта
self.files: List[str] = self.find_and_copy_files()
self.module_queue: List[Module] = [Module(file) for file in self.files]
# Создание словаря обфусцированных имён
self.name_generator: NameGenerator = NameGenerator()
# Инициализация графа замисимостей импортов. Ключ - модуль, значение - список импортированных модулей
self.dependency_graph: Dict[Module, List[Module]] = dict()
def collect_data(self):
for mod in self.module_queue:
mod.collect_data()
def init_dependency_graph(self):
for mod in self.module_queue:
positions = self.get_positions_of_imported_modules(mod)
connections = delete_duplicates([self.module_queue[num] for num in positions])
self.dependency_graph[mod] = connections
def find_and_copy_files(self) -> List[str]:
fond_files = []
for root, dirs, files in os.walk(self.oldFolder):
new_root = root.replace(self.oldFolder, self.newFolder)
# if not os.path.exists(new_root):
# os.mkdir(new_root)
try:
os.mkdir(new_root)
except FileExistsError:
pass
for name in files:
filePath = os.path.join(root, name).replace(r'\\', r'/')
if filePath.endswith(self.ext):
fond_files.append(filePath)
else:
new_file_path = filePath.replace(root, new_root)
shutil.copy(filePath, new_file_path)
return fond_files
def reshuffle_module_queue(self):
current_graph = copy.deepcopy(self.dependency_graph)
last_step_graph = current_graph.copy()
res = []
while last_step_graph:
for edge in current_graph:
if last_step_graph[edge]:
continue
res.append(edge)
last_step_graph = delete_edge(last_step_graph, edge)
current_graph = last_step_graph.copy()
self.module_queue = res
def get_module_by_path(self, module_path: str) -> Module:
for el in self.module_queue:
if os.path.join(el.old_path, el.old_name) == module_path:
return el
def get_module_by_import_in_module(self, module_sequence: str, module: Module):
current_path = module.old_path
pieces = module_sequence.split('.')
last_acceptable_file: str = ''
while pieces:
potential_folder = os.path.join(current_path, pieces.pop(0))
potential_file = potential_folder + self.ext
fond_fold = False
fond_file = False
if os.path.exists(potential_folder):
current_path = potential_folder
fond_fold = True
if os.path.exists(potential_file):
last_acceptable_file = potential_file
fond_file = True
if not (fond_file or fond_fold) and last_acceptable_file:
break
actual_file = self.get_module_by_path(last_acceptable_file)
return actual_file
def get_positions_of_imported_modules(self, module: Module) -> List[int]:
res = []
for imp in module.visitor.info.imported:
imported_module = self.get_module_by_import_in_module(imp.name, module)
if imported_module is not None:
res.append(self.module_queue.index(imported_module))
return res
def save_actual_modules_for_import_paths(self, module: Module):
for imp in module.visitor.info.imported:
imported_module = self.get_module_by_import_in_module(imp.name, module)
imp.module_link = imported_module
def module_data_exchange(self):
for module in self.module_queue:
self.save_actual_modules_for_import_paths(module)
module.add_data_from_imported_modules()
def obfuscate(self):
count = 1
amount = len(self.module_queue)
for module in self.module_queue:
new_folder = module.old_path.replace(self.oldFolder, self.newFolder)
module.new_path = os.path.join(new_folder, module.old_name)
module.name_generator = self.name_generator
module.obfuscate()
module.save()
count += 1
self.name_generator = module.name_generator
debug = False
if debug:
print(f"{module.old_name}: \n"
f"\t{module.visitor.info.variables}\n"
f"\t{module.visitor.info.function_names}\n"
f"\t{module.visitor.info.class_names}\n")
def simple_obfuscation(self):
self.collect_data()
self.init_dependency_graph()
self.reshuffle_module_queue()
self.module_data_exchange()
self.obfuscate()
@property
def prefix(self):
return self.params.prefix
@property
def ext(self):
return self.params.py
def graph_repr(graph: Dict[Module, List[Module]]):
named_graph = dict()
for key, val in graph.items():
named_graph[key.old_name] = [el.old_name for el in val]
return named_graph
def delete_edge(graph: Dict[Module, List[Module]], bad_edge: Module):
graph_copy = graph.copy()
for edge in graph.keys():
if bad_edge in graph_copy[edge]:
graph_copy[edge].remove(bad_edge)
if edge == bad_edge:
del graph_copy[edge]
return graph_copy