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77 lines
3.7 KiB
Python
77 lines
3.7 KiB
Python
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import os
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import sys
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import unittest
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try:
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import json
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except ImportError:
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import simplejson as json
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from html5lib import html5parser, sanitizer, constants
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def runSanitizerTest(name, expected, input):
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expected = ''.join([token.toxml() for token in html5parser.HTMLParser().
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parseFragment(expected).childNodes])
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expected = json.loads(json.dumps(expected))
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assert expected == sanitize_html(input)
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def sanitize_html(stream):
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return ''.join([token.toxml() for token in
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html5parser.HTMLParser(tokenizer=sanitizer.HTMLSanitizer).
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parseFragment(stream).childNodes])
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def test_should_handle_astral_plane_characters():
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assert u"<p>\U0001d4b5 \U0001d538</p>" == sanitize_html("<p>𝒵 𝔸</p>")
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def test_sanitizer():
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for tag_name in sanitizer.HTMLSanitizer.allowed_elements:
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if tag_name in ['caption', 'col', 'colgroup', 'optgroup', 'option', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'tr']:
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continue ### TODO
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if tag_name != tag_name.lower():
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continue ### TODO
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if tag_name == 'image':
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yield (runSanitizerTest, "test_should_allow_%s_tag" % tag_name,
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"<img title=\"1\"/>foo <bad>bar</bad> baz",
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"<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name,tag_name))
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elif tag_name == 'br':
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yield (runSanitizerTest, "test_should_allow_%s_tag" % tag_name,
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"<br title=\"1\"/>foo <bad>bar</bad> baz<br/>",
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"<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name,tag_name))
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elif tag_name in constants.voidElements:
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yield (runSanitizerTest, "test_should_allow_%s_tag" % tag_name,
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"<%s title=\"1\"/>foo <bad>bar</bad> baz" % tag_name,
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"<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name,tag_name))
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else:
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yield (runSanitizerTest, "test_should_allow_%s_tag" % tag_name,
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"<%s title=\"1\">foo <bad>bar</bad> baz</%s>" % (tag_name,tag_name),
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"<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name,tag_name))
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for tag_name in sanitizer.HTMLSanitizer.allowed_elements:
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tag_name = tag_name.upper()
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yield (runSanitizerTest, "test_should_forbid_%s_tag" % tag_name,
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"<%s title=\"1\">foo <bad>bar</bad> baz</%s>" % (tag_name,tag_name),
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"<%s title='1'>foo <bad>bar</bad> baz</%s>" % (tag_name,tag_name))
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for attribute_name in sanitizer.HTMLSanitizer.allowed_attributes:
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if attribute_name != attribute_name.lower(): continue ### TODO
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if attribute_name == 'style': continue
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yield (runSanitizerTest, "test_should_allow_%s_attribute" % attribute_name,
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"<p %s=\"foo\">foo <bad>bar</bad> baz</p>" % attribute_name,
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"<p %s='foo'>foo <bad>bar</bad> baz</p>" % attribute_name)
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for attribute_name in sanitizer.HTMLSanitizer.allowed_attributes:
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attribute_name = attribute_name.upper()
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yield (runSanitizerTest, "test_should_forbid_%s_attribute" % attribute_name,
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"<p>foo <bad>bar</bad> baz</p>",
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"<p %s='display: none;'>foo <bad>bar</bad> baz</p>" % attribute_name)
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for protocol in sanitizer.HTMLSanitizer.allowed_protocols:
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yield (runSanitizerTest, "test_should_allow_%s_uris" % protocol,
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"<a href=\"%s\">foo</a>" % protocol,
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"""<a href="%s">foo</a>""" % protocol)
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for protocol in sanitizer.HTMLSanitizer.allowed_protocols:
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yield (runSanitizerTest, "test_should_allow_uppercase_%s_uris" % protocol,
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"<a href=\"%s\">foo</a>" % protocol,
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"""<a href="%s">foo</a>""" % protocol)
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