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#!/usr/bin/python3
import unittest
import shutil
import os
import zipfile
import tempfile
from libmat2 import pdf, images, audio, office, parser_factory, torrent, harmless
from libmat2 import check_dependencies
class TestCheckDependencies(unittest.TestCase):
def test_deps(self):
ret = check_dependencies()
for key, value in ret.items():
self.assertTrue(value)
class TestParserFactory(unittest.TestCase):
def test_subsubcalss(self):
""" Test that our module auto-detection is handling sub-sub-classes """
parser, mimetype = parser_factory.get_parser('./tests/data/dirty.mp3')
self.assertEqual(mimetype, 'audio/mpeg')
self.assertEqual(parser.__class__, audio.MP3Parser)
class TestParameterInjection(unittest.TestCase):
def test_ver_injection(self):
shutil.copy('./tests/data/dirty.png', './-ver')
p = images.PNGParser('-ver')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'This is a comment, be careful!')
self.assertEqual(meta['ModifyDate'], "2018:03:20 21:59:25")
os.remove('-ver')
class TestUnsupportedEmbeddedFiles(unittest.TestCase):
def test_odt_with_svg(self):
shutil.copy('./tests/data/embedded.odt', './tests/data/clean.odt')
p = office.LibreOfficeParser('./tests/data/clean.odt')
self.assertFalse(p.remove_all())
os.remove('./tests/data/clean.odt')
def test_docx_with_svg(self):
shutil.copy('./tests/data/embedded.docx', './tests/data/clean.docx')
p = office.MSOfficeParser('./tests/data/clean.docx')
self.assertFalse(p.remove_all())
os.remove('./tests/data/clean.docx')
class TestGetMeta(unittest.TestCase):
def test_pdf(self):
p = pdf.PDFParser('./tests/data/dirty.pdf')
meta = p.get_meta()
self.assertEqual(meta['producer'], 'pdfTeX-1.40.14')
self.assertEqual(meta['creator'], "'Certified by IEEE PDFeXpress at 03/19/2016 2:56:07 AM'")
self.assertEqual(meta['DocumentID'], "uuid:4a1a79c8-404e-4d38-9580-5bc081036e61")
self.assertEqual(meta['PTEX.Fullbanner'], "This is pdfTeX, Version " \
"3.1415926-2.5-1.40.14 (TeX Live 2013/Debian) kpathsea " \
"version 6.1.1")
def test_torrent(self):
p = torrent.TorrentParser('./tests/data/dirty.torrent')
meta = p.get_meta()
self.assertEqual(meta['created by'], b'mktorrent 1.0')
def test_png(self):
p = images.PNGParser('./tests/data/dirty.png')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'This is a comment, be careful!')
self.assertEqual(meta['ModifyDate'], "2018:03:20 21:59:25")
def test_jpg(self):
p = images.JPGParser('./tests/data/dirty.jpg')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'Created with GIMP')
def test_tiff(self):
p = images.TiffParser('./tests/data/dirty.tiff')
meta = p.get_meta()
self.assertEqual(meta['Make'], 'OLYMPUS IMAGING CORP.')
self.assertEqual(meta['Model'], 'C7070WZ')
self.assertEqual(meta['ModifyDate'], '2005:12:26 17:09:35')
def test_mp3(self):
p = audio.MP3Parser('./tests/data/dirty.mp3')
meta = p.get_meta()
self.assertEqual(meta['TXXX:I am a'], 'various comment')
def test_ogg(self):
p = audio.OGGParser('./tests/data/dirty.ogg')
meta = p.get_meta()
self.assertEqual(meta['title'], 'I am so')
def test_flac(self):
p = audio.FLACParser('./tests/data/dirty.flac')
meta = p.get_meta()
self.assertEqual(meta['title'], 'I am so')
def test_docx(self):
p = office.MSOfficeParser('./tests/data/dirty.docx')
meta = p.get_meta()
self.assertEqual(meta['cp:lastModifiedBy'], 'Julien Voisin')
self.assertEqual(meta['dc:creator'], 'julien voisin')
self.assertEqual(meta['Application'], 'LibreOffice/5.4.5.1$Linux_X86_64 LibreOffice_project/40m0$Build-1')
def test_libreoffice(self):
p = office.LibreOfficeParser('./tests/data/dirty.odt')
meta = p.get_meta()
self.assertEqual(meta['meta:initial-creator'], 'jvoisin ')
self.assertEqual(meta['meta:creation-date'], '2011-07-26T03:27:48')
self.assertEqual(meta['meta:generator'], 'LibreOffice/3.3$Unix LibreOffice_project/330m19$Build-202')
p = office.LibreOfficeParser('./tests/data/weird_producer.odt')
meta = p.get_meta()
self.assertEqual(meta['create_system'], 'Windows')
self.assertEqual(meta['comment'], b'YAY FOR COMMENTS')
def test_txt(self):
p, mimetype = parser_factory.get_parser('./tests/data/dirty.txt')
self.assertEqual(mimetype, 'text/plain')
meta = p.get_meta()
self.assertEqual(meta, {})
class TestRemovingThumbnails(unittest.TestCase):
def test_odt(self):
shutil.copy('./tests/data/revision.odt', './tests/data/clean.odt')
zipin = zipfile.ZipFile(os.path.abspath('./tests/data/clean.odt'))
self.assertIn('Thumbnails/thumbnail.png', zipin.namelist())
zipin.close()
p = office.LibreOfficeParser('./tests/data/clean.odt')
self.assertTrue(p.remove_all())
zipin = zipfile.ZipFile(os.path.abspath('./tests/data/clean.cleaned.odt'))
self.assertNotIn('Thumbnails/thumbnail.png', zipin.namelist())
zipin.close()
os.remove('./tests/data/clean.cleaned.odt')
os.remove('./tests/data/clean.odt')
class TestRevisionsCleaning(unittest.TestCase):
def test_libreoffice(self):
with zipfile.ZipFile('./tests/data/revision.odt') as zipin:
c = zipin.open('content.xml')
r = c.read()
self.assertIn(b'tracked-changes', r)
shutil.copy('./tests/data/revision.odt', './tests/data/clean.odt')
p = office.LibreOfficeParser('./tests/data/clean.odt')
self.assertTrue(p.remove_all())
with zipfile.ZipFile('./tests/data/clean.cleaned.odt') as zipin:
c = zipin.open('content.xml')
r = c.read()
self.assertNotIn(b'tracked-changes', r)
os.remove('./tests/data/clean.odt')
os.remove('./tests/data/clean.cleaned.odt')
def test_msoffice(self):
with zipfile.ZipFile('./tests/data/revision.docx') as zipin:
c = zipin.open('word/document.xml')
content = c.read()
r = b'<w:ins w:id="1" w:author="Unknown Author" w:date="2018-06-28T23:48:00Z">'
self.assertIn(r, content)
shutil.copy('./tests/data/revision.docx', './tests/data/revision_clean.docx')
p = office.MSOfficeParser('./tests/data/revision_clean.docx')
self.assertTrue(p.remove_all())
with zipfile.ZipFile('./tests/data/revision_clean.cleaned.docx') as zipin:
c = zipin.open('word/document.xml')
content = c.read()
r = b'<w:ins w:id="1" w:author="Unknown Author" w:date="2018-06-28T23:48:00Z">'
self.assertNotIn(r, content)
os.remove('./tests/data/revision_clean.docx')
os.remove('./tests/data/revision_clean.cleaned.docx')
class TestDeepCleaning(unittest.TestCase):
def __check_deep_meta(self, p):
tempdir = tempfile.mkdtemp()
zipin = zipfile.ZipFile(p.filename)
zipin.extractall(tempdir)
for subdir, dirs, files in os.walk(tempdir):
for f in files:
complete_path = os.path.join(subdir, f)
inside_p, _ = parser_factory.get_parser(complete_path)
if inside_p is None:
continue
print('[+] %s is clean inside %s' %(complete_path, p.filename))
self.assertEqual(inside_p.get_meta(), {})
shutil.rmtree(tempdir)
def __check_zip_meta(self, p):
zipin = zipfile.ZipFile(p.filename)
for item in zipin.infolist():
self.assertEqual(item.comment, b'')
self.assertEqual(item.date_time, (1980, 1, 1, 0, 0, 0))
self.assertEqual(item.create_system, 3) # 3 is UNIX
def test_office(self):
shutil.copy('./tests/data/dirty.docx', './tests/data/clean.docx')
p = office.MSOfficeParser('./tests/data/clean.docx')
meta = p.get_meta()
self.assertIsNotNone(meta)
ret = p.remove_all()
self.assertTrue(ret)
p = office.MSOfficeParser('./tests/data/clean.cleaned.docx')
self.assertEqual(p.get_meta(), {})
self.__check_zip_meta(p)
self.__check_deep_meta(p)
os.remove('./tests/data/clean.docx')
os.remove('./tests/data/clean.cleaned.docx')
def test_libreoffice(self):
shutil.copy('./tests/data/dirty.odt', './tests/data/clean.odt')
p = office.LibreOfficeParser('./tests/data/clean.odt')
meta = p.get_meta()
self.assertIsNotNone(meta)
ret = p.remove_all()
self.assertTrue(ret)
p = office.LibreOfficeParser('./tests/data/clean.cleaned.odt')
self.assertEqual(p.get_meta(), {})
self.__check_zip_meta(p)
self.__check_deep_meta(p)
os.remove('./tests/data/clean.odt')
os.remove('./tests/data/clean.cleaned.odt')
class TestLightWeightCleaning(unittest.TestCase):
def test_pdf(self):
shutil.copy('./tests/data/dirty.pdf', './tests/data/clean.pdf')
p = pdf.PDFParser('./tests/data/clean.pdf')
meta = p.get_meta()
self.assertEqual(meta['producer'], 'pdfTeX-1.40.14')
ret = p.remove_all_lightweight()
self.assertTrue(ret)
p = pdf.PDFParser('./tests/data/clean.cleaned.pdf')
expected_meta = {'creation-date': -1, 'format': 'PDF-1.5', 'mod-date': -1}
self.assertEqual(p.get_meta(), expected_meta)
os.remove('./tests/data/clean.pdf')
os.remove('./tests/data/clean.cleaned.pdf')
def test_png(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.png')
p = images.PNGParser('./tests/data/clean.png')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'This is a comment, be careful!')
ret = p.remove_all_lightweight()
self.assertTrue(ret)
p = images.PNGParser('./tests/data/clean.cleaned.png')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.png')
os.remove('./tests/data/clean.cleaned.png')
class TestCleaning(unittest.TestCase):
def test_pdf(self):
shutil.copy('./tests/data/dirty.pdf', './tests/data/clean.pdf')
p = pdf.PDFParser('./tests/data/clean.pdf')
meta = p.get_meta()
self.assertEqual(meta['producer'], 'pdfTeX-1.40.14')
ret = p.remove_all()
self.assertTrue(ret)
p = pdf.PDFParser('./tests/data/clean.cleaned.pdf')
expected_meta = {'creation-date': -1, 'format': 'PDF-1.5', 'mod-date': -1}
self.assertEqual(p.get_meta(), expected_meta)
os.remove('./tests/data/clean.pdf')
os.remove('./tests/data/clean.cleaned.pdf')
def test_png(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.png')
p = images.PNGParser('./tests/data/clean.png')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'This is a comment, be careful!')
ret = p.remove_all()
self.assertTrue(ret)
p = images.PNGParser('./tests/data/clean.cleaned.png')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.png')
os.remove('./tests/data/clean.cleaned.png')
def test_jpg(self):
shutil.copy('./tests/data/dirty.jpg', './tests/data/clean.jpg')
p = images.JPGParser('./tests/data/clean.jpg')
meta = p.get_meta()
self.assertEqual(meta['Comment'], 'Created with GIMP')
ret = p.remove_all()
self.assertTrue(ret)
p = images.JPGParser('./tests/data/clean.cleaned.jpg')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.jpg')
os.remove('./tests/data/clean.cleaned.jpg')
def test_mp3(self):
shutil.copy('./tests/data/dirty.mp3', './tests/data/clean.mp3')
p = audio.MP3Parser('./tests/data/clean.mp3')
meta = p.get_meta()
self.assertEqual(meta['TXXX:I am a'], 'various comment')
ret = p.remove_all()
self.assertTrue(ret)
p = audio.MP3Parser('./tests/data/clean.cleaned.mp3')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.mp3')
os.remove('./tests/data/clean.cleaned.mp3')
def test_ogg(self):
shutil.copy('./tests/data/dirty.ogg', './tests/data/clean.ogg')
p = audio.OGGParser('./tests/data/clean.ogg')
meta = p.get_meta()
self.assertEqual(meta['title'], 'I am so')
ret = p.remove_all()
self.assertTrue(ret)
p = audio.OGGParser('./tests/data/clean.cleaned.ogg')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.ogg')
os.remove('./tests/data/clean.cleaned.ogg')
def test_flac(self):
shutil.copy('./tests/data/dirty.flac', './tests/data/clean.flac')
p = audio.FLACParser('./tests/data/clean.flac')
meta = p.get_meta()
self.assertEqual(meta['title'], 'I am so')
ret = p.remove_all()
self.assertTrue(ret)
p = audio.FLACParser('./tests/data/clean.cleaned.flac')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.flac')
os.remove('./tests/data/clean.cleaned.flac')
def test_office(self):
shutil.copy('./tests/data/dirty.docx', './tests/data/clean.docx')
p = office.MSOfficeParser('./tests/data/clean.docx')
meta = p.get_meta()
self.assertIsNotNone(meta)
ret = p.remove_all()
self.assertTrue(ret)
p = office.MSOfficeParser('./tests/data/clean.cleaned.docx')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.docx')
os.remove('./tests/data/clean.cleaned.docx')
def test_libreoffice(self):
shutil.copy('./tests/data/dirty.odt', './tests/data/clean.odt')
p = office.LibreOfficeParser('./tests/data/clean.odt')
meta = p.get_meta()
self.assertIsNotNone(meta)
ret = p.remove_all()
self.assertTrue(ret)
p = office.LibreOfficeParser('./tests/data/clean.cleaned.odt')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.odt')
os.remove('./tests/data/clean.cleaned.odt')
def test_tiff(self):
shutil.copy('./tests/data/dirty.tiff', './tests/data/clean.tiff')
p = images.TiffParser('./tests/data/clean.tiff')
meta = p.get_meta()
self.assertEqual(meta['Model'], 'C7070WZ')
ret = p.remove_all()
self.assertTrue(ret)
p = images.TiffParser('./tests/data/clean.cleaned.tiff')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.tiff')
os.remove('./tests/data/clean.cleaned.tiff')
def test_bmp(self):
shutil.copy('./tests/data/dirty.bmp', './tests/data/clean.bmp')
p = harmless.HarmlessParser('./tests/data/clean.bmp')
meta = p.get_meta()
self.assertEqual(meta, {}) # bmp has no meta :)
ret = p.remove_all()
self.assertTrue(ret)
p = harmless.HarmlessParser('./tests/data/clean.cleaned.bmp')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.bmp')
os.remove('./tests/data/clean.cleaned.bmp')
def test_torrent(self):
shutil.copy('./tests/data/dirty.torrent', './tests/data/clean.torrent')
p = torrent.TorrentParser('./tests/data/clean.torrent')
meta = p.get_meta()
self.assertEqual(meta, {'created by': b'mktorrent 1.0', 'creation date': 1522397702})
ret = p.remove_all()
self.assertTrue(ret)
p = torrent.TorrentParser('./tests/data/clean.cleaned.torrent')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.torrent')
os.remove('./tests/data/clean.cleaned.torrent')
def test_odf(self):
shutil.copy('./tests/data/dirty.odf', './tests/data/clean.odf')
p = office.LibreOfficeParser('./tests/data/clean.odf')
meta = p.get_meta()
self.assertEqual(meta['meta:creation-date'], '2018-04-23T00:18:59.438231281')
ret = p.remove_all()
self.assertTrue(ret)
p = office.LibreOfficeParser('./tests/data/clean.cleaned.odf')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.odf')
os.remove('./tests/data/clean.cleaned.odf')
def test_odg(self):
shutil.copy('./tests/data/dirty.odg', './tests/data/clean.odg')
p = office.LibreOfficeParser('./tests/data/clean.odg')
meta = p.get_meta()
self.assertEqual(meta['dc:date'], '2018-04-23T00:26:59.385838550')
ret = p.remove_all()
self.assertTrue(ret)
p = office.LibreOfficeParser('./tests/data/clean.cleaned.odg')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.odg')
os.remove('./tests/data/clean.cleaned.odg')
def test_txt(self):
shutil.copy('./tests/data/dirty.txt', './tests/data/clean.txt')
p = harmless.HarmlessParser('./tests/data/clean.txt')
meta = p.get_meta()
self.assertEqual(meta, {})
ret = p.remove_all()
self.assertTrue(ret)
p = harmless.HarmlessParser('./tests/data/clean.cleaned.txt')
self.assertEqual(p.get_meta(), {})
os.remove('./tests/data/clean.txt')
os.remove('./tests/data/clean.cleaned.txt')
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