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Code Issues 25 Releases Wiki Activity

Fixed urlize after smart_urlquote rewrite

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Refs #22267.
This commit is contained in:
Claude Paroz 2014-08-09 12:44:48 +02:00
parent 4b8a1d2c0d
commit b9d9287f59
3 changed files with 48 additions and 8 deletions
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31
django/utils/html.py
View File

@ -251,6 +251,7 @@ def smart_urlquote(url):
return urlunsplit((scheme, netloc, path, query, fragment))
def urlize(text, trim_url_limit=None, nofollow=False, autoescape=False):
"""
Converts any URLs in text into clickable links.
@ -268,11 +269,31 @@ def urlize(text, trim_url_limit=None, nofollow=False, autoescape=False):
If autoescape is True, the link text and URLs will be autoescaped.
"""
safe_input = isinstance(text, SafeData)
def trim_url(x, limit=trim_url_limit):
if limit is None or len(x) <= limit:
return x
return '%s...' % x[:max(0, limit - 3)]
safe_input = isinstance(text, SafeData)
def unescape(text, trail):
"""
If input URL is HTML-escaped, unescape it so as we can safely feed it to
smart_urlquote. For example:
http://example.com?x=1&amp;y=&lt;2&gt; => http://example.com?x=1&y=<2>
"""
if not safe_input:
return text, text, trail
unescaped = (text + trail).replace('&amp;', '&').replace('&lt;', '<'
).replace('&gt;', '>').replace('&quot;', '"'
).replace('&#39;', "'")
# ';' in trail can be either trailing punctuation or end-of-entity marker
if unescaped.endswith(';'):
return text, unescaped[:-1], trail
else:
text += trail
return text, unescaped, ''
words = word_split_re.split(force_text(text))
for i, word in enumerate(words):
if '.' in word or '@' in word or ':' in word:
@ -296,9 +317,11 @@ def urlize(text, trim_url_limit=None, nofollow=False, autoescape=False):
url = None
nofollow_attr = ' rel="nofollow"' if nofollow else ''
if simple_url_re.match(middle):
url = smart_urlquote(middle)
middle, middle_unescaped, trail = unescape(middle, trail)
url = smart_urlquote(middle_unescaped)
elif simple_url_2_re.match(middle):
url = smart_urlquote('http://%s' % middle)
middle, middle_unescaped, trail = unescape(middle, trail)
url = smart_urlquote('http://%s' % middle_unescaped)
elif ':' not in middle and simple_email_re.match(middle):
local, domain = middle.rsplit('@', 1)
try:
@ -313,7 +336,7 @@ def urlize(text, trim_url_limit=None, nofollow=False, autoescape=False):
trimmed = trim_url(middle)
if autoescape and not safe_input:
lead, trail = escape(lead), escape(trail)
url, trimmed = escape(url), escape(trimmed)
trimmed = escape(trimmed)
middle = '<a href="%s"%s>%s</a>' % (url, nofollow_attr, trimmed)
words[i] = mark_safe('%s%s%s' % (lead, middle, trail))
else:

24
tests/template_tests/filters.py
View File

@ -151,8 +151,16 @@ def get_filter_tests():
'filter-upper01': ('{% autoescape off %}{{ a|upper }} {{ b|upper }}{% endautoescape %}', {"a": "a & b", "b": mark_safe("a &amp; b")}, "A & B A &AMP; B"),
'filter-upper02': ('{{ a|upper }} {{ b|upper }}', {"a": "a & b", "b": mark_safe("a &amp; b")}, "A &amp; B A &amp;AMP; B"),
'filter-urlize01': ('{% autoescape off %}{{ a|urlize }} {{ b|urlize }}{% endautoescape %}', {"a": "http://example.com/?x=&y=", "b": mark_safe("http://example.com?x=&amp;y=")}, '<a href="http://example.com/?x=&y=" rel="nofollow">http://example.com/?x=&y=</a> <a href="http://example.com?x=&amp;y=" rel="nofollow">http://example.com?x=&amp;y=</a>'),
'filter-urlize02': ('{{ a|urlize }} {{ b|urlize }}', {"a": "http://example.com/?x=&y=", "b": mark_safe("http://example.com?x=&amp;y=")}, '<a href="http://example.com/?x=&amp;y=" rel="nofollow">http://example.com/?x=&amp;y=</a> <a href="http://example.com?x=&amp;y=" rel="nofollow">http://example.com?x=&amp;y=</a>'),
'filter-urlize01': (
'{% autoescape off %}{{ a|urlize }} {{ b|urlize }}{% endautoescape %}',
{"a": "http://example.com/?x=&y=", "b": mark_safe("http://example.com?x=&amp;y=&lt;2&gt;")},
'<a href="http://example.com/?x=&y=" rel="nofollow">http://example.com/?x=&y=</a> '
'<a href="http://example.com?x=&y=%3C2%3E" rel="nofollow">http://example.com?x=&amp;y=&lt;2&gt;</a>'),
'filter-urlize02': (
'{{ a|urlize }} {{ b|urlize }}',
{"a": "http://example.com/?x=&y=", "b": mark_safe("http://example.com?x=&amp;y=")},
'<a href="http://example.com/?x=&y=" rel="nofollow">http://example.com/?x=&amp;y=</a> '
'<a href="http://example.com?x=&y=" rel="nofollow">http://example.com?x=&amp;y=</a>'),
'filter-urlize03': ('{% autoescape off %}{{ a|urlize }}{% endautoescape %}', {"a": mark_safe("a &amp; b")}, 'a &amp; b'),
'filter-urlize04': ('{{ a|urlize }}', {"a": mark_safe("a &amp; b")}, 'a &amp; b'),
@ -165,8 +173,16 @@ def get_filter_tests():
'filter-urlize07': ('{{ a|urlize }}', {"a": "Email me at me@example.com"}, 'Email me at <a href="mailto:me@example.com">me@example.com</a>'),
'filter-urlize08': ('{{ a|urlize }}', {"a": "Email me at <me@example.com>"}, 'Email me at &lt;<a href="mailto:me@example.com">me@example.com</a>&gt;'),
'filter-urlizetrunc01': ('{% autoescape off %}{{ a|urlizetrunc:"8" }} {{ b|urlizetrunc:"8" }}{% endautoescape %}', {"a": '"Unsafe" http://example.com/x=&y=', "b": mark_safe('&quot;Safe&quot; http://example.com?x=&amp;y=')}, '"Unsafe" <a href="http://example.com/x=&y=" rel="nofollow">http:...</a> &quot;Safe&quot; <a href="http://example.com?x=&amp;y=" rel="nofollow">http:...</a>'),
'filter-urlizetrunc02': ('{{ a|urlizetrunc:"8" }} {{ b|urlizetrunc:"8" }}', {"a": '"Unsafe" http://example.com/x=&y=', "b": mark_safe('&quot;Safe&quot; http://example.com?x=&amp;y=')}, '&quot;Unsafe&quot; <a href="http://example.com/x=&amp;y=" rel="nofollow">http:...</a> &quot;Safe&quot; <a href="http://example.com?x=&amp;y=" rel="nofollow">http:...</a>'),
'filter-urlizetrunc01': (
'{% autoescape off %}{{ a|urlizetrunc:"8" }} {{ b|urlizetrunc:"8" }}{% endautoescape %}',
{"a": '"Unsafe" http://example.com/x=&y=', "b": mark_safe('&quot;Safe&quot; http://example.com?x=&amp;y=')},
'"Unsafe" <a href="http://example.com/x=&y=" rel="nofollow">http:...</a> '
'&quot;Safe&quot; <a href="http://example.com?x=&y=" rel="nofollow">http:...</a>'),
'filter-urlizetrunc02': (
'{{ a|urlizetrunc:"8" }} {{ b|urlizetrunc:"8" }}',
{"a": '"Unsafe" http://example.com/x=&y=', "b": mark_safe('&quot;Safe&quot; http://example.com?x=&amp;y=')},
'&quot;Unsafe&quot; <a href="http://example.com/x=&y=" rel="nofollow">http:...</a> '
'&quot;Safe&quot; <a href="http://example.com?x=&y=" rel="nofollow">http:...</a>'),
'filter-wordcount01': ('{% autoescape off %}{{ a|wordcount }} {{ b|wordcount }}{% endautoescape %}', {"a": "a & b", "b": mark_safe("a &amp; b")}, "3 3"),
'filter-wordcount02': ('{{ a|wordcount }} {{ b|wordcount }}', {"a": "a & b", "b": mark_safe("a &amp; b")}, "3 3"),

1
tests/utils_tests/test_html.py
View File

@ -174,6 +174,7 @@ class TestUtilsHtml(TestCase):
self.assertEqual(quote('http://example.com/path/öäü/'), 'http://example.com/path/%C3%B6%C3%A4%C3%BC/')
self.assertEqual(quote('http://example.com/%C3%B6/ä/'), 'http://example.com/%C3%B6/%C3%A4/')
self.assertEqual(quote('http://example.com/?x=1&y=2+3&z='), 'http://example.com/?x=1&y=2+3&z=')
self.assertEqual(quote('http://example.com/?x=<>"\''), 'http://example.com/?x=%3C%3E%22%27')
self.assertEqual(quote('http://example.com/?q=http://example.com/?x=1%26q=django'),
'http://example.com/?q=http%3A%2F%2Fexample.com%2F%3Fx%3D1%26q%3Ddjango')
self.assertEqual(quote('http://example.com/?q=http%3A%2F%2Fexample.com%2F%3Fx%3D1%26q%3Ddjango'),