comparison src/test/test_plugin_text_syntaxes.py @ 694:4284b6ad8aa3

tests: plugin text syntaxes sanitisation tests
author Goffi <goffi@goffi.org>
date Tue, 12 Nov 2013 14:16:11 +0100
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children 9810f22ba733
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693:65b30bc7f1b3 694:4284b6ad8aa3
1 #!/usr/bin/python
2 # -*- coding: utf-8 -*-
3
4 # SAT: a jabber client
5 # Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org)
6
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
11
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Affero General Public License for more details.
16
17 # You should have received a copy of the GNU Affero General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19
20 """ Plugin text syntaxes tests """
21
22 from sat.test import helpers
23 from sat.plugins import plugin_misc_text_syntaxes
24
25
26 class SanitisationTest(helpers.SatTestCase):
27
28 def setUp(self):
29 self.host = helpers.FakeSAT()
30 self.text_syntaxes = plugin_misc_text_syntaxes.TextSyntaxes(self.host)
31
32
33 def test_xhtml_sanitise(self):
34 evil_html = """
35 <html>
36 <head>
37 <script type="text/javascript" src="evil-site"></script>
38 <link rel="alternate" type="text/rss" src="evil-rss">
39 <style>
40 body {background-image: url(javascript:do_evil)};
41 div {color: expression(evil)};
42 </style>
43 </head>
44 <body onload="evil_function()">
45 <!-- I am interpreted for EVIL! -->
46 <a href="javascript:evil_function()">a link</a>
47 <a href="#" onclick="evil_function()">another link</a>
48 <p onclick="evil_function()">a paragraph</p>
49 <div style="display: none">secret EVIL!</div>
50 <object> of EVIL! </object>
51 <iframe src="evil-site"></iframe>
52 <form action="evil-site">
53 Password: <input type="password" name="password">
54 </form>
55 <blink>annoying EVIL!</blink>
56 <a href="evil-site">spam spam SPAM!</a>
57 <image src="evil!">
58 </body>
59 </html>""" # example from lxml: /usr/share/doc/python-lxml-doc/html/lxmlhtml.html#cleaning-up-html
60
61 expected = """<div>
62 <style>/* deleted */</style>
63 <body>
64 <a href="">a link</a>
65 <a href="#">another link</a>
66 <p>a paragraph</p>
67 <div style="">secret EVIL!</div>
68 of EVIL!
69 Password:
70 annoying EVIL!
71 <a href="evil-site">spam spam SPAM!</a>
72 <img src="evil!">
73 </img></body>
74 </div>"""
75
76 d = self.text_syntaxes.clean_xhtml(evil_html)
77 d.addCallback(self.assertEqualXML, expected, ignore_blank=True)
78 return d
79
80
81 def test_styles_sanitise(self):
82 evil_html = """<p style='display: None; test: blah; background: url(: alert()); color: blue;'>test <strong>retest</strong><br><span style="background-color: (alert('bouh')); titi; color: #cf2828; font-size: 3px; direction: !important; color: red; color: red !important; font-size: 100px !important; font-size: 100px ! important; font-size: 100%; font-size: 100ox; font-size: 100px; font-size: 100;;;; font-size: 100 %; color: 100 px 1.7em; color: rgba(0, 0, 0, 0.1); color: rgb(35,79,255); background-color: no-repeat; background-color: :alert(1); color: (alert('XSS')); color: (window.location='http://example.org/'); color: url(:window.location='http://example.org/'); "> toto </span></p>"""
83
84 expected = """<p style="color: blue">test <strong>retest</strong><br/><span style="color: #cf2828; font-size: 3px; color: red; color: red !important; font-size: 100px !important; font-size: 100%; font-size: 100px; font-size: 100; font-size: 100 %; color: rgba(0, 0, 0, 0.1); color: rgb(35,79,255); background-color: no-repeat"> toto </span></p>"""
85
86 d = self.text_syntaxes.clean_xhtml(evil_html)
87 d.addCallback(self.assertEqualXML, expected)
88 return d