82 lines
3.0 KiB
Diff
82 lines
3.0 KiB
Diff
From 8bb6ba37f691137655a44c2f5fa4096bcc7e81b0 Mon Sep 17 00:00:00 2001
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From: Calum Hutton <calum.hutton@snyk.io>
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Date: Thu, 26 Oct 2023 12:08:53 +0100
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Subject: [PATCH] xmlattr filter disallows keys with spaces
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Reference:https://github.com/pallets/jinja/commit/7dd3680e6eea0d77fde024763657aa4d884ddb23
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Conflict:remove CHANGES.rst adpat _space_re
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---
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Jinja2-2.11.2/src/jinja2/filters.py | 24 ++++++++++++++++++------
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Jinja2-2.11.2/tests/test_filters.py | 6 ++++++
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2 files changed, 24 insertions(+), 6 deletions(-)
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diff --git a/Jinja2-2.11.2/src/jinja2/filters.py b/Jinja2-2.11.2/src/jinja2/filters.py
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index 9741567..3230539 100644
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--- a/Jinja2-2.11.2/src/jinja2/filters.py
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+++ b/Jinja2-2.11.2/src/jinja2/filters.py
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@@ -204,13 +204,15 @@ def do_lower(s):
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"""Convert a value to lowercase."""
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return soft_unicode(s).lower()
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+_space_re = re.compile(r"\s", re.U)
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@evalcontextfilter
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def do_xmlattr(_eval_ctx, d, autospace=True):
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"""Create an SGML/XML attribute string based on the items in a dict.
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All values that are neither `none` nor `undefined` are automatically
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escaped:
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-
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+ If any key contains a space, this fails with a ``ValueError``. Values that
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+ are neither ``none`` nor ``undefined`` are automatically escaped.
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.. sourcecode:: html+jinja
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<ul{{ {'class': 'my_list', 'missing': none,
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@@ -228,12 +230,22 @@ def do_xmlattr(_eval_ctx, d, autospace=True):
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As you can see it automatically prepends a space in front of the item
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if the filter returned something unless the second parameter is false.
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+
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+ .. versionchanged:: 3.1.3
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+ Keys with spaces are not allowed.
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"""
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- rv = u" ".join(
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- u'%s="%s"' % (escape(key), escape(value))
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- for key, value in iteritems(d)
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- if value is not None and not isinstance(value, Undefined)
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- )
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+ items = []
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+
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+ for key, value in d.items():
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+ if value is None or isinstance(value, Undefined):
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+ continue
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+
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+ if _space_re.search(key) is not None:
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+ raise ValueError("Spaces are not allowed in attributes: {}".format(key))
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+
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+ items.append('{}="{}"'.format(escape(key), escape(value)))
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+
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+ rv = " ".join(items)
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if autospace and rv:
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rv = u" " + rv
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if _eval_ctx.autoescape:
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diff --git a/Jinja2-2.11.2/tests/test_filters.py b/Jinja2-2.11.2/tests/test_filters.py
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index 388c346..6e697f3 100644
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--- a/Jinja2-2.11.2/tests/test_filters.py
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+++ b/Jinja2-2.11.2/tests/test_filters.py
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@@ -440,6 +440,12 @@ class TestFilter(object):
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assert 'bar="23"' in out
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assert 'blub:blub="<?>"' in out
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+ def test_xmlattr_key_with_spaces(self, env):
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+ with pytest.raises(ValueError, match="Spaces are not allowed"):
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+ env.from_string(
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+ "{{ {'src=1 onerror=alert(1)': 'my_class'}|xmlattr }}"
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+ ).render()
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+
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def test_sort1(self, env):
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tmpl = env.from_string("{{ [2, 3, 1]|sort }}|{{ [2, 3, 1]|sort(true) }}")
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assert tmpl.render() == "[1, 2, 3]|[3, 2, 1]"
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--
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2.33.0
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