sqlmap/lib/utils/purge.py
2024-01-03 23:11:52 +01:00

87 lines
2.6 KiB
Python

#!/usr/bin/env python
"""
Copyright (c) 2006-2024 sqlmap developers (https://sqlmap.org/)
See the file 'LICENSE' for copying permission
"""
import functools
import os
import random
import shutil
import stat
import string
from lib.core.common import getSafeExString
from lib.core.common import openFile
from lib.core.compat import xrange
from lib.core.convert import getUnicode
from lib.core.data import logger
from thirdparty.six import unichr as _unichr
def purge(directory):
"""
Safely removes content from a given directory
"""
if not os.path.isdir(directory):
warnMsg = "skipping purging of directory '%s' as it does not exist" % directory
logger.warning(warnMsg)
return
infoMsg = "purging content of directory '%s'..." % directory
logger.info(infoMsg)
filepaths = []
dirpaths = []
for rootpath, directories, filenames in os.walk(directory):
dirpaths.extend(os.path.abspath(os.path.join(rootpath, _)) for _ in directories)
filepaths.extend(os.path.abspath(os.path.join(rootpath, _)) for _ in filenames)
logger.debug("changing file attributes")
for filepath in filepaths:
try:
os.chmod(filepath, stat.S_IREAD | stat.S_IWRITE)
except:
pass
logger.debug("writing random data to files")
for filepath in filepaths:
try:
filesize = os.path.getsize(filepath)
with openFile(filepath, "w+b") as f:
f.write("".join(_unichr(random.randint(0, 255)) for _ in xrange(filesize)))
except:
pass
logger.debug("truncating files")
for filepath in filepaths:
try:
with open(filepath, 'w') as f:
pass
except:
pass
logger.debug("renaming filenames to random values")
for filepath in filepaths:
try:
os.rename(filepath, os.path.join(os.path.dirname(filepath), "".join(random.sample(string.ascii_letters, random.randint(4, 8)))))
except:
pass
dirpaths.sort(key=functools.cmp_to_key(lambda x, y: y.count(os.path.sep) - x.count(os.path.sep)))
logger.debug("renaming directory names to random values")
for dirpath in dirpaths:
try:
os.rename(dirpath, os.path.join(os.path.dirname(dirpath), "".join(random.sample(string.ascii_letters, random.randint(4, 8)))))
except:
pass
logger.debug("deleting the whole directory tree")
try:
shutil.rmtree(directory)
except OSError as ex:
logger.error("problem occurred while removing directory '%s' ('%s')" % (getUnicode(directory), getSafeExString(ex)))