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Fixed #22223 -- Prevented over-escaping URLs in reverse() 

And follow more closely the class of characters defined in the
RFC 3986.
Thanks Erik van Zijst for the report and the initial patch, and
Tim Graham for the review.
This commit is contained in:
Claude Paroz 2014-06-26 16:55:36 +02:00
parent 8780849da0
commit e167e96cfe
7 changed files with 20 additions and 14 deletions
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2
django/contrib/admin/utils.py
View File

@ -57,7 +57,7 @@ def quote(s):
res = list(s)
for i in range(len(res)):
c = res[i]
if c in """:/_#?;@&=+$,"<>%\\""":
if c in """:/_#?;@&=+$,"[]<>%\\""":
res[i] = '_%02X' % ord(c)
return ''.join(res)

6
django/core/urlresolvers.py
View File

@ -20,7 +20,7 @@ from django.utils.datastructures import MultiValueDict
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.encoding import force_str, force_text, iri_to_uri
from django.utils.functional import lazy
from django.utils.http import urlquote
from django.utils.http import RFC3986_SUBDELIMS, urlquote
from django.utils.module_loading import module_has_submodule
from django.utils.regex_helper import normalize
from django.utils import six, lru_cache
@ -453,7 +453,9 @@ class RegexURLResolver(LocaleRegexProvider):
# arguments in order to return a properly encoded URL.
candidate_pat = prefix_norm.replace('%', '%%') + result
if re.search('^%s%s' % (prefix_norm, pattern), candidate_pat % candidate_subs, re.UNICODE):
candidate_subs = dict((k, urlquote(v)) for (k, v) in candidate_subs.items())
# safe characters from `pchar` definition of RFC 3986
candidate_subs = dict((k, urlquote(v, safe=RFC3986_SUBDELIMS + str('/~:@')))
for (k, v) in candidate_subs.items())
return candidate_pat % candidate_subs
# lookup_view can be URL label, or dotted path, or callable, Any of
# these can be passed in at the top, but callables are not friendly in

3
django/utils/html.py
View File

@ -7,6 +7,7 @@ import sys
from django.utils.encoding import force_text, force_str
from django.utils.functional import allow_lazy
from django.utils.http import RFC3986_GENDELIMS, RFC3986_SUBDELIMS
from django.utils.safestring import SafeData, mark_safe
from django.utils import six
from django.utils.six.moves.urllib.parse import quote, unquote, urlsplit, urlunsplit
@ -215,7 +216,7 @@ def smart_urlquote(url):
url = unquote(force_str(url))
# See http://bugs.python.org/issue2637
url = quote(url, safe=b'!*\'();:@&=+$,/?#[]~')
url = quote(url, safe=RFC3986_SUBDELIMS + RFC3986_GENDELIMS + str('~'))
return force_text(url)

3
django/utils/http.py
View File

@ -30,6 +30,9 @@ RFC1123_DATE = re.compile(r'^\w{3}, %s %s %s %s GMT$' % (__D, __M, __Y, __T))
RFC850_DATE = re.compile(r'^\w{6,9}, %s-%s-%s %s GMT$' % (__D, __M, __Y2, __T))
ASCTIME_DATE = re.compile(r'^\w{3} %s %s %s %s$' % (__M, __D2, __T, __Y))
RFC3986_GENDELIMS = str(":/?#[]@")
RFC3986_SUBDELIMS = str("!$&'()*+,;=")
def urlquote(url, safe='/'):
"""

12
tests/admin_views/tests.py
View File

@ -36,7 +36,7 @@ from django.utils import translation
from django.utils.cache import get_max_age
from django.utils.encoding import iri_to_uri, force_bytes, force_text
from django.utils.html import escape
from django.utils.http import urlencode, urlquote
from django.utils.http import urlencode
from django.utils.six.moves.urllib.parse import parse_qsl, urljoin, urlparse
from django.utils._os import upath
from django.utils import six
@ -1748,7 +1748,7 @@ class AdminViewStringPrimaryKeyTest(TestCase):
prefix = '/test_admin/admin/admin_views/modelwithstringprimarykey/'
response = self.client.get(prefix)
# this URL now comes through reverse(), thus url quoting and iri_to_uri encoding
pk_final_url = escape(iri_to_uri(urlquote(quote(self.pk))))
pk_final_url = escape(iri_to_uri(quote(self.pk)))
should_contain = """<th class="field-__str__"><a href="%s%s/">%s</a></th>""" % (prefix, pk_final_url, escape(self.pk))
self.assertContains(response, should_contain)
@ -1756,14 +1756,14 @@ class AdminViewStringPrimaryKeyTest(TestCase):
"The link from the recent actions list referring to the changeform of the object should be quoted"
response = self.client.get('/test_admin/admin/')
link = reverse('admin:admin_views_modelwithstringprimarykey_change', args=(quote(self.pk),))
should_contain = """<a href="%s">%s</a>""" % (link, escape(self.pk))
should_contain = """<a href="%s">%s</a>""" % (escape(link), escape(self.pk))
self.assertContains(response, should_contain)
def test_recentactions_without_content_type(self):
"If a LogEntry is missing content_type it will not display it in span tag under the hyperlink."
response = self.client.get('/test_admin/admin/')
link = reverse('admin:admin_views_modelwithstringprimarykey_change', args=(quote(self.pk),))
should_contain = """<a href="%s">%s</a>""" % (link, escape(self.pk))
should_contain = """<a href="%s">%s</a>""" % (escape(link), escape(self.pk))
self.assertContains(response, should_contain)
should_contain = "Model with string primary key" # capitalized in Recent Actions
self.assertContains(response, should_contain)
@ -1785,7 +1785,7 @@ class AdminViewStringPrimaryKeyTest(TestCase):
log_entry_name = "Model with string primary key" # capitalized in Recent Actions
logentry = LogEntry.objects.get(content_type__name__iexact=log_entry_name)
model = "modelwithstringprimarykey"
desired_admin_url = "/test_admin/admin/admin_views/%s/%s/" % (model, escape(iri_to_uri(urlquote(quote(self.pk)))))
desired_admin_url = "/test_admin/admin/admin_views/%s/%s/" % (model, iri_to_uri(quote(self.pk)))
self.assertEqual(logentry.get_admin_url(), desired_admin_url)
logentry.content_type.model = "non-existent"
@ -1795,7 +1795,7 @@ class AdminViewStringPrimaryKeyTest(TestCase):
"The link from the delete confirmation page referring back to the changeform of the object should be quoted"
response = self.client.get('/test_admin/admin/admin_views/modelwithstringprimarykey/%s/delete/' % quote(self.pk))
# this URL now comes through reverse(), thus url quoting and iri_to_uri encoding
should_contain = """/%s/">%s</a>""" % (escape(iri_to_uri(urlquote(quote(self.pk)))), escape(self.pk))
should_contain = """/%s/">%s</a>""" % (escape(iri_to_uri(quote(self.pk))), escape(self.pk))
self.assertContains(response, should_contain)
def test_url_conflicts_with_add(self):

6
tests/template_tests/tests.py
View File

@ -1673,12 +1673,12 @@ class TemplateTests(TestCase):
'url08': ('{% url "метка_оператора" v %}', {'v': 'Ω'}, '/%D0%AE%D0%BD%D0%B8%D0%BA%D0%BE%D0%B4/%CE%A9/'),
'url09': ('{% url "метка_оператора_2" tag=v %}', {'v': 'Ω'}, '/%D0%AE%D0%BD%D0%B8%D0%BA%D0%BE%D0%B4/%CE%A9/'),
'url10': ('{% url "template_tests.views.client_action" id=client.id action="two words" %}', {'client': {'id': 1}}, '/client/1/two%20words/'),
'url11': ('{% url "template_tests.views.client_action" id=client.id action="==" %}', {'client': {'id': 1}}, '/client/1/%3D%3D/'),
'url12': ('{% url "template_tests.views.client_action" id=client.id action="," %}', {'client': {'id': 1}}, '/client/1/%2C/'),
'url11': ('{% url "template_tests.views.client_action" id=client.id action="==" %}', {'client': {'id': 1}}, '/client/1/==/'),
'url12': ('{% url "template_tests.views.client_action" id=client.id action="!$&\'()*+,;=~:@," %}', {'client': {'id': 1}}, '/client/1/!$&\'()*+,;=~:@,/'),
'url13': ('{% url "template_tests.views.client_action" id=client.id action=arg|join:"-" %}', {'client': {'id': 1}, 'arg': ['a', 'b']}, '/client/1/a-b/'),
'url14': ('{% url "template_tests.views.client_action" client.id arg|join:"-" %}', {'client': {'id': 1}, 'arg': ['a', 'b']}, '/client/1/a-b/'),
'url15': ('{% url "template_tests.views.client_action" 12 "test" %}', {}, '/client/12/test/'),
'url18': ('{% url "template_tests.views.client" "1,2" %}', {}, '/client/1%2C2/'),
'url18': ('{% url "template_tests.views.client" "1,2" %}', {}, '/client/1,2/'),
'url19': ('{% url named_url client.id %}', {'named_url': 'template_tests.views.client', 'client': {'id': 1}}, '/client/1/'),
'url20': ('{% url url_name_in_var client.id %}', {'url_name_in_var': 'named.client', 'client': {'id': 1}}, '/named-client/1/'),

2
tests/urlpatterns_reverse/tests.py
View File

@ -106,7 +106,7 @@ test_data = (
('product', '/product/chocolate+($2.00)/', [], {'price': '2.00', 'product': 'chocolate'}),
('headlines', '/headlines/2007.5.21/', [], dict(year=2007, month=5, day=21)),
('windows', r'/windows_path/C:%5CDocuments%20and%20Settings%5Cspam/', [], dict(drive_name='C', path=r'Documents and Settings\spam')),
('special', r'/special_chars/%2B%5C%24%2A/', [r'+\$*'], {}),
('special', r'/special_chars/~@+%5C$*%7C/', [r'~@+\$*|'], {}),
('special', r'/special_chars/some%20resource/', [r'some resource'], {}),
('special', r'/special_chars/10%25%20complete/', [r'10% complete'], {}),
('special', r'/special_chars/some%20resource/', [], {'chars': r'some resource'}),