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# Copyright (C) 2017 Open Information Security Foundation
# Copyright (c) 2017 Jason Ish
#
# You can copy, redistribute or modify this Program under the terms of
# the GNU General Public License version 2 as published by the Free
# Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# version 2 along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
from __future__ import print_function
import tarfile
from zipfile import ZipFile
def extract_tar(filename):
files = {}
tf = tarfile.open(filename, mode="r:*")
try:
while True:
member = tf.next()
if member is None:
break
if not member.isfile():
continue
fileobj = tf.extractfile(member)
if fileobj:
# Remove leading /.
member_name = member.name.lstrip("/")
files[member_name] = fileobj.read()
finally:
tf.close()
return files
def extract_zip(filename):
files = {}
with ZipFile(filename) as reader:
for name in reader.namelist():
if name.endswith("/"):
continue
fixed_name = name.lstrip("/")
files[fixed_name] = reader.read(name)
return files
def try_extract(filename):
try:
return extract_tar(filename)
except:
pass
try:
return extract_zip(filename)
except:
pass
return None
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