1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
#!/usr/bin/env python3
import unittest
import shutil
import os
from libmat2 import pdf, images, audio, office, parser_factory, torrent, harmless
class TestInexistentFiles(unittest.TestCase):
def test_ro(self):
parser, mimetype = parser_factory.get_parser('/etc/passwd')
self.assertEqual(mimetype, None)
self.assertEqual(parser, None)
def test_notaccessible(self):
parser, mimetype = parser_factory.get_parser('/etc/shadow')
self.assertEqual(mimetype, None)
self.assertEqual(parser, None)
def test_folder(self):
parser, mimetype = parser_factory.get_parser('./tests/')
self.assertEqual(mimetype, None)
self.assertEqual(parser, None)
def test_inexistingfile(self):
parser, mimetype = parser_factory.get_parser('./tests/NONEXISTING_FILE')
self.assertEqual(mimetype, None)
self.assertEqual(parser, None)
def test_chardevice(self):
parser, mimetype = parser_factory.get_parser('/dev/zero')
self.assertEqual(mimetype, None)
self.assertEqual(parser, None)
def test_brokensymlink(self):
shutil.copy('./tests/test_libmat2.py', './tests/clean.py')
os.symlink('./tests/clean.py', './tests/SYMLINK')
os.remove('./tests/clean.py')
parser, mimetype = parser_factory.get_parser('./tests/SYMLINK')
self.assertEqual(mimetype, None)
self.assertEqual(parser, None)
os.unlink('./tests/SYMLINK')
class TestUnsupportedFiles(unittest.TestCase):
def test_pdf(self):
shutil.copy('./tests/test_libmat2.py', './tests/clean.py')
parser, mimetype = parser_factory.get_parser('./tests/data/clean.py')
self.assertEqual(mimetype, 'text/x-python')
self.assertEqual(parser, None)
os.remove('./tests/clean.py')
class TestCorruptedEmbedded(unittest.TestCase):
def test_docx(self):
shutil.copy('./tests/data/embedded_corrupted.docx', './tests/data/clean.docx')
parser, _ = parser_factory.get_parser('./tests/data/clean.docx')
self.assertFalse(parser.remove_all())
self.assertIsNotNone(parser.get_meta())
os.remove('./tests/data/clean.docx')
def test_odt(self):
expected = {
'create_system': 'Weird',
'date_time': '2018-06-10 17:18:18',
'meta.xml': 'harmful content'
}
shutil.copy('./tests/data/embedded_corrupted.odt', './tests/data/clean.odt')
parser, _ = parser_factory.get_parser('./tests/data/clean.odt')
self.assertFalse(parser.remove_all())
self.assertEqual(parser.get_meta(), expected)
os.remove('./tests/data/clean.odt')
class TestExplicitelyUnsupportedFiles(unittest.TestCase):
def test_pdf(self):
shutil.copy('./tests/test_libmat2.py', './tests/data/clean.py')
parser, mimetype = parser_factory.get_parser('./tests/data/clean.py')
self.assertEqual(mimetype, 'text/x-python')
self.assertEqual(parser, None)
os.remove('./tests/data/clean.py')
class TestCorruptedFiles(unittest.TestCase):
def test_pdf(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.png')
with self.assertRaises(ValueError):
pdf.PDFParser('./tests/data/clean.png')
os.remove('./tests/data/clean.png')
def test_png(self):
shutil.copy('./tests/data/dirty.pdf', './tests/data/clean.pdf')
with self.assertRaises(ValueError):
images.PNGParser('./tests/data/clean.pdf')
os.remove('./tests/data/clean.pdf')
def test_png2(self):
shutil.copy('./tests/test_libmat2.py', './tests/clean.png')
parser, _ = parser_factory.get_parser('./tests/clean.png')
self.assertIsNone(parser)
os.remove('./tests/clean.png')
def test_torrent(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.torrent')
with self.assertRaises(ValueError):
torrent.TorrentParser('./tests/data/clean.torrent')
with open("./tests/data/clean.torrent", "a") as f:
f.write("trailing garbage")
with self.assertRaises(ValueError):
torrent.TorrentParser('./tests/data/clean.torrent')
with open("./tests/data/clean.torrent", "w") as f:
f.write("i-0e")
with self.assertRaises(ValueError):
torrent.TorrentParser('./tests/data/clean.torrent')
with open("./tests/data/clean.torrent", "w") as f:
f.write("i00e")
with self.assertRaises(ValueError):
torrent.TorrentParser('./tests/data/clean.torrent')
with open("./tests/data/clean.torrent", "w") as f:
f.write("01:AAAAAAAAA")
with self.assertRaises(ValueError):
torrent.TorrentParser('./tests/data/clean.torrent')
with open("./tests/data/clean.torrent", "w") as f:
f.write("1:aaa")
with self.assertRaises(ValueError):
torrent.TorrentParser('./tests/data/clean.torrent')
os.remove('./tests/data/clean.torrent')
def test_odg(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.odg')
with self.assertRaises(ValueError):
office.LibreOfficeParser('./tests/data/clean.odg')
os.remove('./tests/data/clean.odg')
def test_bmp(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.bmp')
ret = harmless.HarmlessParser('./tests/data/clean.bmp')
self.assertIsNotNone(ret)
os.remove('./tests/data/clean.bmp')
def test_docx(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.docx')
with self.assertRaises(ValueError):
office.MSOfficeParser('./tests/data/clean.docx')
os.remove('./tests/data/clean.docx')
def test_flac(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.flac')
with self.assertRaises(ValueError):
audio.FLACParser('./tests/data/clean.flac')
os.remove('./tests/data/clean.flac')
def test_mp3(self):
shutil.copy('./tests/data/dirty.png', './tests/data/clean.mp3')
with self.assertRaises(ValueError):
audio.MP3Parser('./tests/data/clean.mp3')
os.remove('./tests/data/clean.mp3')
def test_jpg(self):
shutil.copy('./tests/data/dirty.mp3', './tests/data/clean.jpg')
with self.assertRaises(ValueError):
images.JPGParser('./tests/data/clean.jpg')
os.remove('./tests/data/clean.jpg')
|