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Fix urlize_quoted_links tag to avoid double escaping in autoescape mode

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This commit is contained in:
Yury V. Zaytsev 2018-12-14 17:56:13 +01:00
parent be68c524a2
commit 343ce4a03c
1 changed files with 13 additions and 13 deletions
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26
rest_framework/templatetags/rest_framework.py
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@ -336,6 +336,12 @@ def urlize_quoted_links(text, trim_url_limit=None, nofollow=True, autoescape=Tru
return limit is not None and (len(x) > limit and ('%s...' % x[:max(0, limit - 3)])) or x
safe_input = isinstance(text, SafeData)
# Unfortunately, Django built-in cannot be used here, because escaping
# is to be performed on words, which have been forcibly coerced to text
def conditional_escape(text):
return escape(text) if autoescape and not safe_input else text
words = word_split_re.split(force_text(text))
for i, word in enumerate(words):
if '.' in word or '@' in word or ':' in word:
@ -376,21 +382,15 @@ def urlize_quoted_links(text, trim_url_limit=None, nofollow=True, autoescape=Tru
# Make link.
if url:
trimmed = trim_url(middle)
if autoescape and not safe_input:
lead, trail = escape(lead), escape(trail)
url, trimmed = escape(url), escape(trimmed)
lead, trail = conditional_escape(lead), conditional_escape(trail)
url, trimmed = conditional_escape(url), conditional_escape(trimmed)
middle = '<a href="%s"%s>%s</a>' % (url, nofollow_attr, trimmed)
words[i] = mark_safe('%s%s%s' % (lead, middle, trail))
words[i] = '%s%s%s' % (lead, middle, trail)
else:
if safe_input:
words[i] = mark_safe(word)
elif autoescape:
words[i] = escape(word)
elif safe_input:
words[i] = mark_safe(word)
elif autoescape:
words[i] = escape(word)
return ''.join(words)
words[i] = conditional_escape(word)
else:
words[i] = conditional_escape(word)
return mark_safe(''.join(words))
@register.filter