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annotate sat/test/test_plugin_misc_text_syntaxes.py @ 3652:6e34307319c0

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plugin XEP-0353: fix jingle initiation on disco "Service Unavailable" error: When requesting disco info on a bare jid which is not in our roster, server may return "Service Unavailable" (to avoid leaking valid JIDs). In this case, the initiation was failing, this is now fixed by using empty categories in this case.
author Goffi <goffi@goffi.org>
date Wed, 08 Sep 2021 11:16:52 +0200
parents be6d91572633
children 524856bd7b19
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 """ Plugin text syntaxes tests """
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21
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22 from sat.test import helpers
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23 from sat.plugins import plugin_misc_text_syntaxes
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24 from twisted.trial.unittest import SkipTest
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25 import re
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26 import importlib
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28
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29 class SanitisationTest(helpers.SatTestCase):
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30
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31 EVIL_HTML1 = """
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32 <html>
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33 <head>
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34 <script type="text/javascript" src="evil-site"></script>
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35 <link rel="alternate" type="text/rss" src="evil-rss">
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36 <style>
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37 body {background-image: url(javascript:do_evil)};
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38 div {color: expression(evil)};
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39 </style>
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40 </head>
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41 <body onload="evil_function()">
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42 <!-- I am interpreted for EVIL! -->
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43 <a href="javascript:evil_function()">a link</a>
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44 <a href="#" onclick="evil_function()">another link</a>
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45 <p onclick="evil_function()">a paragraph</p>
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46 <div style="display: none">secret EVIL!</div>
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47 <object> of EVIL! </object>
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48 <iframe src="evil-site"></iframe>
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49 <form action="evil-site">
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50 Password: <input type="password" name="password">
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51 </form>
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52 <blink>annoying EVIL!</blink>
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53 <a href="evil-site">spam spam SPAM!</a>
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54 <image src="evil!">
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55 </body>
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56 </html>""" # example from lxml: /usr/share/doc/python-lxml-doc/html/lxmlhtml.html#cleaning-up-html
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58 EVIL_HTML2 = """<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>"""
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60 def setUp(self):
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61 self.host = helpers.FakeSAT()
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62 importlib.reload(plugin_misc_text_syntaxes) # reload the plugin to avoid conflict error
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63 self.text_syntaxes = plugin_misc_text_syntaxes.TextSyntaxes(self.host)
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64
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65 def test_xhtml_sanitise(self):
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66 expected = """<div>
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67 <style>/* deleted */</style>
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68 <body>
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69 <a href="">a link</a>
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70 <a href="#">another link</a>
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71 <p>a paragraph</p>
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72 <div style="">secret EVIL!</div>
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73 of EVIL!
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74 Password:
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75 annoying EVIL!
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76 <a href="evil-site">spam spam SPAM!</a>
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77 <img src="evil!">
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78 </img></body>
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79 </div>"""
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80
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81 d = self.text_syntaxes.cleanXHTML(self.EVIL_HTML1)
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82 d.addCallback(self.assertEqualXML, expected, ignore_blank=True)
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83 return d
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84
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85 def test_styles_sanitise(self):
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86 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>"""
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88 d = self.text_syntaxes.cleanXHTML(self.EVIL_HTML2)
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89 d.addCallback(self.assertEqualXML, expected)
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90 return d
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91
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92 def test_html2text(self):
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93 """Check that html2text is not inserting \n in the middle of that link.
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94 By default lines are truncated after the 79th characters."""
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95 source = '<img src="http://sat.goffi.org/static/images/screenshots/libervia/libervia_discussions.png" alt="sat"/>'
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96 expected = "![sat](http://sat.goffi.org/static/images/screenshots/libervia/libervia_discussions.png)"
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97 try:
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98 d = self.text_syntaxes.convert(
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99 source,
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100 self.text_syntaxes.SYNTAX_XHTML,
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101 self.text_syntaxes.SYNTAX_MARKDOWN,
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102 )
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103 except plugin_misc_text_syntaxes.UnknownSyntax:
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104 raise SkipTest("Markdown syntax is not available.")
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105 d.addCallback(self.assertEqual, expected)
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106 return d
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107
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108 def test_removeXHTMLMarkups(self):
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109 expected = """ a link another link a paragraph secret EVIL! of EVIL! Password: annoying EVIL! spam spam SPAM! """
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110 result = self.text_syntaxes._removeMarkups(self.EVIL_HTML1)
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111 self.assertEqual(re.sub(r"\s+", " ", result).rstrip(), expected.rstrip())
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112
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113 expected = """test retest toto"""
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114 result = self.text_syntaxes._removeMarkups(self.EVIL_HTML2)
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115 self.assertEqual(re.sub(r"\s+", " ", result).rstrip(), expected.rstrip())