import random import os import shutil import stat import subprocess import unittest import glob from libmat2 import images, parser_factory mat2_binary = ['./mat2'] if 'MAT2_GLOBAL_PATH_TESTSUITE' in os.environ: # Debian runs tests after installing the package # https://0xacab.org/jvoisin/mat2/issues/16#note_153878 mat2_binary = ['/usr/bin/env', 'mat2'] class TestHelp(unittest.TestCase): def test_help(self): proc = subprocess.Popen(mat2_binary + ['--help'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'mat2 [-h] [-V]', stdout) self.assertIn(b'[--unknown-members policy]', stdout) self.assertIn(b'[--inplace]', stdout) self.assertIn(b'[--no-sandbox]', stdout) self.assertIn(b' [-v] [-l]', stdout) self.assertIn(b'[--check-dependencies]', stdout) self.assertIn(b'[-L | -s]', stdout) self.assertIn(b'[files ...]', stdout) def test_no_arg(self): proc = subprocess.Popen(mat2_binary, stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'mat2 [-h] [-V]', stdout) self.assertIn(b'[--unknown-members policy]', stdout) self.assertIn(b'[--inplace]', stdout) self.assertIn(b'[--no-sandbox]', stdout) self.assertIn(b' [-v] [-l] [--check-dependencies] [-L | -s]', stdout) self.assertIn(b'[files ...]', stdout) class TestVersion(unittest.TestCase): def test_version(self): proc = subprocess.Popen(mat2_binary + ['--version'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertTrue(stdout.startswith(b'mat2 ')) class TestDependencies(unittest.TestCase): def test_dependencies(self): proc = subprocess.Popen(mat2_binary + ['--check-dependencies'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertTrue(b'mat2' in stdout) class TestReturnValue(unittest.TestCase): def test_nonzero(self): ret = subprocess.call(mat2_binary + ['mat2'], stdout=subprocess.DEVNULL) self.assertEqual(255, ret) ret = subprocess.call(mat2_binary + ['--whololo'], stderr=subprocess.DEVNULL) self.assertEqual(2, ret) def test_zero(self): ret = subprocess.call(mat2_binary, stdout=subprocess.DEVNULL) self.assertEqual(0, ret) ret = subprocess.call(mat2_binary + ['--show', 'mat2'], stdout=subprocess.DEVNULL) self.assertEqual(0, ret) class TestCleanFolder(unittest.TestCase): def test_jpg(self): try: os.mkdir('./tests/data/folder/') except FileExistsError: pass shutil.copy('./tests/data/dirty.jpg', './tests/data/folder/clean1.jpg') shutil.copy('./tests/data/dirty.jpg', './tests/data/folder/clean2.jpg') proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/folder/'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'Comment: Created with GIMP', stdout) proc = subprocess.Popen(mat2_binary + ['./tests/data/folder/'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() os.remove('./tests/data/folder/clean1.jpg') os.remove('./tests/data/folder/clean2.jpg') proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/folder/'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertNotIn(b'Comment: Created with GIMP', stdout) self.assertIn(b'No metadata found', stdout) shutil.rmtree('./tests/data/folder/') class TestCleanMeta(unittest.TestCase): def test_jpg(self): shutil.copy('./tests/data/dirty.jpg', './tests/data/clean.jpg') proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/clean.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'Comment: Created with GIMP', stdout) proc = subprocess.Popen(mat2_binary + ['./tests/data/clean.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/clean.cleaned.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertNotIn(b'Comment: Created with GIMP', stdout) os.remove('./tests/data/clean.jpg') def test_jpg_nosandbox(self): shutil.copy('./tests/data/dirty.jpg', './tests/data/clean.jpg') proc = subprocess.Popen(mat2_binary + ['--show', '--no-sandbox', './tests/data/clean.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'Comment: Created with GIMP', stdout) proc = subprocess.Popen(mat2_binary + ['./tests/data/clean.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/clean.cleaned.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertNotIn(b'Comment: Created with GIMP', stdout) os.remove('./tests/data/clean.jpg') os.remove('./tests/data/clean.cleaned.jpg') class TestCopyPermissions(unittest.TestCase): def test_jpg_777(self): shutil.copy('./tests/data/dirty.jpg', './tests/data/clean.jpg') os.chmod('./tests/data/clean.jpg', 0o777) proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/clean.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'Comment: Created with GIMP', stdout) proc = subprocess.Popen(mat2_binary + ['./tests/data/clean.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/clean.cleaned.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertNotIn(b'Comment: Created with GIMP', stdout) permissions = os.stat('./tests/data/clean.cleaned.jpg')[stat.ST_MODE] self.assertEqual(permissions, 0o100777) os.remove('./tests/data/clean.jpg') os.remove('./tests/data/clean.cleaned.jpg') class TestIsSupported(unittest.TestCase): def test_pdf(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/dirty.pdf'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertNotIn(b"isn't supported", stdout) class TestGetMeta(unittest.TestCase): maxDiff = None def test_pdf(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/dirty.pdf'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'Producer: pdfTeX-1.40.14', stdout) def test_png(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/dirty.png'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'Comment: This is a comment, be careful!', stdout) def test_jpg(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/dirty.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'Comment: Created with GIMP', stdout) def test_docx(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/dirty.docx'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'Application: LibreOffice/5.4.5.1$Linux_X86_64', stdout) self.assertIn(b'creator: julien voisin', stdout) self.assertIn(b'revision: 1', stdout) def test_odt(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/dirty.odt'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'generator: LibreOffice/3.3$Unix', stdout) self.assertIn(b'creator: jvoisin', stdout) self.assertIn(b'date_time: 2011-07-26 02:40:16', stdout) def test_mp3(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/dirty.mp3'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'TALB: harmfull', stdout) self.assertIn(b'COMM::: Thank you for using MAT !', stdout) def test_flac(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/dirty.flac'], stdout=subprocess.PIPE, bufsize=0) stdout, _ = proc.communicate() self.assertIn(b'comments: Thank you for using MAT !', stdout) self.assertIn(b'genre: Python', stdout) self.assertIn(b'title: I am so', stdout) def test_ogg(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/dirty.ogg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'comments: Thank you for using MAT !', stdout) self.assertIn(b'genre: Python', stdout) self.assertIn(b'i am a : various comment', stdout) self.assertIn(b'artist: jvoisin', stdout) class TestControlCharInjection(unittest.TestCase): def test_jpg(self): proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/control_chars.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b'Comment: GQ\n', stdout) class TestCommandLineParallel(unittest.TestCase): iterations = 24 def test_same(self): for i in range(self.iterations): shutil.copy('./tests/data/dirty.jpg', './tests/data/dirty_%d.jpg' % i) proc = subprocess.Popen(mat2_binary + ['./tests/data/dirty_%d.jpg' % i for i in range(self.iterations)], stdout=subprocess.PIPE) stdout, _ = proc.communicate() for i in range(self.iterations): path = './tests/data/dirty_%d.jpg' % i p = images.JPGParser('./tests/data/dirty_%d.cleaned.jpg' % i) self.assertEqual(p.get_meta(), {}) os.remove('./tests/data/dirty_%d.cleaned.jpg' % i) os.remove(path) def test_different(self): src = './tests/data/' dst = './tests/data/parallel' shutil.copytree(src, dst) proc = subprocess.Popen(mat2_binary + glob.glob('./tests/data/parallel/dirty.*'), stdout=subprocess.PIPE) stdout, _ = proc.communicate() for i in glob.glob('./test/data/parallel/dirty.cleaned.*'): p, mime = parser_factory.get_parser(i) self.assertIsNotNone(mime) self.assertIsNotNone(p) p = parser_factory.get_parser(p.output_filename) self.assertEqual(p.get_meta(), {}) shutil.rmtree('./tests/data/parallel/') def test_faulty(self): for i in range(self.iterations): shutil.copy('./tests/data/dirty.jpg', './tests/data/dirty_%d.jpg' % i) shutil.copy('./tests/data/dirty.torrent', './tests/data/dirty_%d.docx' % i) to_process = ['./tests/data/dirty_%d.jpg' % i for i in range(self.iterations)] to_process.extend(['./tests/data/dirty_%d.docx' % i for i in range(self.iterations)]) random.shuffle(to_process) proc = subprocess.Popen(mat2_binary + to_process, stdout=subprocess.PIPE) stdout, _ = proc.communicate() for i in range(self.iterations): path = './tests/data/dirty_%d.jpg' % i p = images.JPGParser('./tests/data/dirty_%d.cleaned.jpg' % i) self.assertEqual(p.get_meta(), {}) os.remove('./tests/data/dirty_%d.cleaned.jpg' % i) os.remove(path) os.remove('./tests/data/dirty_%d.docx' % i) class TestInplaceCleaning(unittest.TestCase): def test_cleaning(self): shutil.copy('./tests/data/dirty.jpg', './tests/data/clean.jpg') proc = subprocess.Popen(mat2_binary + ['--inplace', './tests/data/clean.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() proc = subprocess.Popen(mat2_binary + ['--show', './tests/data/clean.jpg'], stdout=subprocess.PIPE) stdout, _ = proc.communicate() self.assertIn(b' No metadata found in ./tests/data/clean.jpg.\n', stdout) os.remove('./tests/data/clean.jpg') def test_cleaning_multiple_one_fails(self): files = ['./tests/data/clean_%d.jpg' % i for i in range(9)] for f in files: shutil.copy('./tests/data/dirty.jpg', f) shutil.copy('./tests/data/dirty.torrent', './tests/data/clean_9.jpg') proc = subprocess.Popen(mat2_binary + ['--inplace'] + files, stdout=subprocess.PIPE) stdout, _ = proc.communicate() for f in files: p = images.JPGParser(f) meta = p.get_meta() self.assertEqual(meta, {}) for i in range(10): os.remove('./tests/data/clean_%d.jpg' % i)