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edx-platform
Commit 296f75a0 by mushtaqali Committed by Adam Palay
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Add template escaping in forums, progress page and course container TNL-2395, TNL-2394, TNL-2393

parent 0248f8af
Showing with 151 additions and 89 deletions
cms/djangoapps/contentstore/tests/test_contentstore.py
......@@ -681,6 +681,16 @@ class MiscCourseTests(ContentStoreTestCase):
for expected in expected_types:
self.assertIn(expected, resp.content)
@ddt.data("<script>alert(1)</script>", "alert('hi')", "</script><script>alert(1)</script>")
def test_container_handler_xss_prevent(self, malicious_code):
"""
Test that XSS attack is prevented
"""
resp = self.client.get_html(get_url('container_handler', self.vert_loc) + '?action=' + malicious_code)
self.assertEqual(resp.status_code, 200)
# Test that malicious code does not appear in html
self.assertNotIn(malicious_code, resp.content)
@patch('django.conf.settings.DEPRECATED_ADVANCED_COMPONENT_TYPES', [])
def test_advanced_components_in_edit_unit(self):
# This could be made better, but for now let's just assert that we see the advanced modules mentioned in the page
......
cms/templates/container.html
......@@ -13,28 +13,28 @@ import json
from contentstore.views.helpers import xblock_studio_url, xblock_type_display_name
from django.utils.translation import ugettext as _
%>
<%block name="title">${xblock.display_name_with_default} ${xblock_type_display_name(xblock)}</%block>
<%block name="title">${xblock.display_name_with_default} ${xblock_type_display_name(xblock) | h}</%block>
<%block name="bodyclass">is-signedin course container view-container</%block>
<%namespace name='static' file='static_content.html'/>
<%block name="header_extras">
% for template_name in templates:
<script type="text/template" id="${template_name}-tpl">
<script type="text/template" id="${template_name | h}-tpl">
<%static:include path="js/${template_name}.underscore" />
</script>
% endfor
<script type="text/template" id="image-modal-tpl">
<%static:include path="common/templates/image-modal.underscore" />
</script>
<link rel="stylesheet" type="text/css" href="${static.url('js/vendor/timepicker/jquery.timepicker.css')}" />
<link rel="stylesheet" type="text/css" href="${static.url('js/vendor/timepicker/jquery.timepicker.css') | h}" />
</%block>
<%block name="requirejs">
require(["js/factories/container"], function(ContainerFactory) {
ContainerFactory(
${component_templates | n}, ${json.dumps(xblock_info) | n},
"${action}",
"${action | h}",
{
isUnitPage: ${json.dumps(is_unit_page)},
canEdit: true
......@@ -55,7 +55,7 @@ from django.utils.translation import ugettext as _
ancestor_url = xblock_studio_url(ancestor)
%>
% if ancestor_url:
<a href="${ancestor_url}" class="navigation-item navigation-link navigation-parent">${ancestor.display_name_with_default | h}</a>
<a href="${ancestor_url | h}" class="navigation-item navigation-link navigation-parent">${ancestor.display_name_with_default | h}</a>
% else:
<span class="navigation-item navigation-parent">${ancestor.display_name_with_default | h}</span>
% endif
......@@ -72,12 +72,12 @@ from django.utils.translation import ugettext as _
<ul>
% if is_unit_page:
<li class="action-item action-view nav-item">
<a href="${published_preview_link}" class="button button-view action-button is-disabled" aria-disabled="true" rel="external" title="${_('Open the courseware in the LMS')}">
<a href="${published_preview_link | h}" class="button button-view action-button is-disabled" aria-disabled="true" rel="external" title="${_('Open the courseware in the LMS')}">
<span class="action-button-text">${_("View Live Version")}</span>
</a>
</li>
<li class="action-item action-preview nav-item">
<a href="${draft_preview_link}" class="button button-preview action-button" rel="external" title="${_('Preview the courseware in the LMS')}">
<a href="${draft_preview_link | h}" class="button button-preview action-button" rel="external" title="${_('Preview the courseware in the LMS')}">
<span class="action-button-text">${_("Preview")}</span>
</a>
</li>
......@@ -110,10 +110,10 @@ from django.utils.translation import ugettext as _
% if xblock.category == 'split_test':
<div class="bit">
<h3 class="title-3">${_("Adding components")}</h3>
<p>${_("Select a component type under {em_start}Add New Component{em_end}. Then select a template.").format(em_start='<strong>', em_end="</strong>")}</p>
<p>${_("Select a component type under {em_start}Add New Component{em_end}. Then select a template.").format(em_start='<strong>', em_end="</strong>") | h}</p>
<p>${_("The new component is added at the bottom of the page or group. You can then edit and move the component.")}</p>
<h3 class="title-3">${_("Editing components")}</h3>
<p>${_("Click the {em_start}Edit{em_end} icon in a component to edit its content.").format(em_start='<strong>', em_end="</strong>")}</p>
<p>${_("Click the {em_start}Edit{em_end} icon in a component to edit its content.").format(em_start='<strong>', em_end="</strong>") | h}</p>
<h3 class="title-3">${_("Reorganizing components")}</h3>
<p>${_("Drag components to new locations within this component.")}</p>
<p>${_("For content experiments, you can drag components to other groups.")}</p>
......@@ -121,7 +121,7 @@ from django.utils.translation import ugettext as _
<p>${_("Confirm that you have properly configured content in each of your experiment groups.")}</p>
</div>
<div class="bit external-help">
<a href="${get_online_help_info(online_help_token())['doc_url']}" target="_blank" class="button external-help-button">${_("Learn more about component containers")}</a>
<a href="${get_online_help_info(online_help_token())['doc_url'] | h}" target="_blank" class="button external-help-button">${_("Learn more about component containers")}</a>
</div>
% elif is_unit_page:
<div id="publish-unit"></div>
......
lms/djangoapps/courseware/tests/test_views.py
......@@ -680,6 +680,16 @@ class ProgressPageTests(ModuleStoreTestCase):
self.section = ItemFactory.create(category='sequential', parent_location=self.chapter.location)
self.vertical = ItemFactory.create(category='vertical', parent_location=self.section.location)
@ddt.data('"><script>alert(1)</script>', '<script>alert(1)</script>', '</script><script>alert(1)</script>')
def test_progress_page_xss_prevent(self, malicious_code):
"""
Test that XSS attack is prevented
"""
resp = views.progress(self.request, course_id=unicode(self.course.id), student_id=self.user.id)
self.assertEqual(resp.status_code, 200)
# Test that malicious code does not appear in html
self.assertNotIn(malicious_code, resp.content)
def test_pure_ungraded_xblock(self):
ItemFactory.create(category='acid', parent_location=self.vertical.location)
......
lms/djangoapps/django_comment_client/forum/tests.py
......@@ -450,7 +450,7 @@ class SingleCohortedThreadTestCase(CohortedTestCase):
html = response.content
# Verify that the group name is correctly included in the HTML
self.assertRegexpMatches(html, r'&quot;group_name&quot;: &quot;student_cohort&quot;')
self.assertRegexpMatches(html, r'&#34;group_name&#34;: &#34;student_cohort&#34;')
@patch('lms.lib.comment_client.utils.requests.request')
......@@ -1152,10 +1152,10 @@ class UserProfileTestCase(ModuleStoreTestCase):
self.assertRegexpMatches(html, r'data-num-pages="1"')
self.assertRegexpMatches(html, r'<span>1</span> discussion started')
self.assertRegexpMatches(html, r'<span>2</span> comments')
self.assertRegexpMatches(html, r'&quot;id&quot;: &quot;{}&quot;'.format(self.TEST_THREAD_ID))
self.assertRegexpMatches(html, r'&quot;title&quot;: &quot;{}&quot;'.format(self.TEST_THREAD_TEXT))
self.assertRegexpMatches(html, r'&quot;body&quot;: &quot;{}&quot;'.format(self.TEST_THREAD_TEXT))
self.assertRegexpMatches(html, r'&quot;username&quot;: &quot;{}&quot;'.format(self.student.username))
self.assertRegexpMatches(html, r'&#34;id&#34;: &#34;{}&#34;'.format(self.TEST_THREAD_ID))
self.assertRegexpMatches(html, r'&#34;title&#34;: &#34;{}&#34;'.format(self.TEST_THREAD_TEXT))
self.assertRegexpMatches(html, r'&#34;body&#34;: &#34;{}&#34;'.format(self.TEST_THREAD_TEXT))
self.assertRegexpMatches(html, r'&#34;username&#34;: &#34;{}&#34;'.format(self.student.username))
def check_ajax(self, mock_request, **params):
response = self.get_response(mock_request, params, HTTP_X_REQUESTED_WITH="XMLHttpRequest")
......@@ -1326,6 +1326,57 @@ class ForumFormDiscussionUnicodeTestCase(ModuleStoreTestCase, UnicodeTestMixin):
self.assertEqual(response_data["discussion_data"][0]["body"], text)
@ddt.ddt
@patch('lms.lib.comment_client.utils.requests.request')
class ForumDiscussionXSSTestCase(UrlResetMixin, ModuleStoreTestCase):
@patch.dict("django.conf.settings.FEATURES", {"ENABLE_DISCUSSION_SERVICE": True})
def setUp(self):
super(ForumDiscussionXSSTestCase, self).setUp()
username = "foo"
password = "bar"
self.course = CourseFactory.create()
self.student = UserFactory.create(username=username, password=password)
CourseEnrollmentFactory.create(user=self.student, course_id=self.course.id)
self.assertTrue(self.client.login(username=username, password=password))
@ddt.data('"><script>alert(1)</script>', '<script>alert(1)</script>', '</script><script>alert(1)</script>')
@patch('student.models.cc.User.from_django_user')
def test_forum_discussion_xss_prevent(self, malicious_code, mock_from_django_user, mock_request):
"""
Test that XSS attack is prevented
"""
reverse_url = "%s%s" % (reverse(
"django_comment_client.forum.views.forum_form_discussion",
kwargs={"course_id": unicode(self.course.id)}), '/forum_form_discussion'
)
# Test that malicious code does not appear in html
url = "%s?%s=%s" % (reverse_url, 'sort_key', malicious_code)
resp = self.client.get(url)
self.assertEqual(resp.status_code, 200)
self.assertNotIn(malicious_code, resp.content)
@ddt.data('"><script>alert(1)</script>', '<script>alert(1)</script>', '</script><script>alert(1)</script>')
@patch('student.models.cc.User.from_django_user')
@patch('student.models.cc.User.active_threads')
def test_forum_user_profile_xss_prevent(self, malicious_code, mock_threads, mock_from_django_user, mock_request):
"""
Test that XSS attack is prevented
"""
mock_threads.return_value = [], 1, 1
mock_from_django_user.return_value = Mock()
mock_request.side_effect = make_mock_request_impl(course=self.course, text='dummy')
url = reverse('django_comment_client.forum.views.user_profile',
kwargs={'course_id': unicode(self.course.id), 'user_id': str(self.student.id)})
# Test that malicious code does not appear in html
url_string = "%s?%s=%s" % (url, 'page', malicious_code)
resp = self.client.get(url_string)
self.assertEqual(resp.status_code, 200)
self.assertNotIn(malicious_code, resp.content)
class ForumDiscussionSearchUnicodeTestCase(ModuleStoreTestCase, UnicodeTestMixin):
def setUp(self):
super(ForumDiscussionSearchUnicodeTestCase, self).setUp()
......
lms/djangoapps/django_comment_client/forum/views.py
......@@ -5,7 +5,6 @@ Views handling read (GET) requests for the Discussion tab and inline discussions
from functools import wraps
import json
import logging
import xml.sax.saxutils as saxutils
from django.contrib.auth.decorators import login_required
from django.conf import settings
......@@ -73,13 +72,6 @@ class DiscussionTab(EnrolledTab):
return settings.FEATURES.get('ENABLE_DISCUSSION_SERVICE')
def _attr_safe_json(obj):
"""
return a JSON string for obj which is safe to embed as the value of an attribute in a DOM node
"""
return saxutils.escape(json.dumps(obj), {'"': '&quot;'})
@newrelic.agent.function_trace()
def make_course_settings(course, user):
"""
......@@ -278,28 +270,28 @@ def forum_form_discussion(request, course_key):
'course': course,
#'recent_active_threads': recent_active_threads,
'staff_access': bool(has_access(request.user, 'staff', course)),
'threads': _attr_safe_json(threads),
'threads': json.dumps(threads),
'thread_pages': query_params['num_pages'],
'user_info': _attr_safe_json(user_info),
'can_create_comment': _attr_safe_json(
'user_info': json.dumps(user_info, default=lambda x: None),
'can_create_comment': json.dumps(
has_permission(request.user, "create_comment", course.id)),
'can_create_subcomment': _attr_safe_json(
'can_create_subcomment': json.dumps(
has_permission(request.user, "create_sub_comment", course.id)),
'can_create_thread': has_permission(request.user, "create_thread", course.id),
'flag_moderator': bool(
has_permission(request.user, 'openclose_thread', course.id) or
has_access(request.user, 'staff', course)
),
'annotated_content_info': _attr_safe_json(annotated_content_info),
'annotated_content_info': json.dumps(annotated_content_info),
'course_id': course.id.to_deprecated_string(),
'roles': _attr_safe_json(utils.get_role_ids(course_key)),
'roles': json.dumps(utils.get_role_ids(course_key)),
'is_moderator': has_permission(request.user, "see_all_cohorts", course_key),
'cohorts': course_settings["cohorts"], # still needed to render _thread_list_template
'user_cohort': user_cohort_id, # read from container in NewPostView
'is_course_cohorted': is_course_cohorted(course_key), # still needed to render _thread_list_template
'sort_preference': user.default_sort_key,
'category_map': course_settings["category_map"],
'course_settings': _attr_safe_json(course_settings)
'course_settings': json.dumps(course_settings)
}
# print "start rendering.."
return render_to_response('discussion/index.html', context)
......@@ -385,19 +377,19 @@ def single_thread(request, course_key, discussion_id, thread_id):
'discussion_id': discussion_id,
'csrf': csrf(request)['csrf_token'],
'init': '', # TODO: What is this?
'user_info': _attr_safe_json(user_info),
'can_create_comment': _attr_safe_json(
'user_info': json.dumps(user_info),
'can_create_comment': json.dumps(
has_permission(request.user, "create_comment", course.id)),
'can_create_subcomment': _attr_safe_json(
'can_create_subcomment': json.dumps(
has_permission(request.user, "create_sub_comment", course.id)),
'can_create_thread': has_permission(request.user, "create_thread", course.id),
'annotated_content_info': _attr_safe_json(annotated_content_info),
'annotated_content_info': json.dumps(annotated_content_info),
'course': course,
#'recent_active_threads': recent_active_threads,
'course_id': course.id.to_deprecated_string(), # TODO: Why pass both course and course.id to template?
'thread_id': thread_id,
'threads': _attr_safe_json(threads),
'roles': _attr_safe_json(utils.get_role_ids(course_key)),
'threads': json.dumps(threads),
'roles': json.dumps(utils.get_role_ids(course_key)),
'is_moderator': is_moderator,
'thread_pages': query_params['num_pages'],
'is_course_cohorted': is_course_cohorted(course_key),
......@@ -409,7 +401,7 @@ def single_thread(request, course_key, discussion_id, thread_id):
'user_cohort': user_cohort,
'sort_preference': cc_user.default_sort_key,
'category_map': course_settings["category_map"],
'course_settings': _attr_safe_json(course_settings)
'course_settings': json.dumps(course_settings)
}
return render_to_response('discussion/index.html', context)
......@@ -458,7 +450,7 @@ def user_profile(request, course_key, user_id):
'discussion_data': threads,
'page': query_params['page'],
'num_pages': query_params['num_pages'],
'annotated_content_info': _attr_safe_json(annotated_content_info),
'annotated_content_info': json.dumps(annotated_content_info),
})
else:
django_user = User.objects.get(id=user_id)
......@@ -467,9 +459,9 @@ def user_profile(request, course_key, user_id):
'user': request.user,
'django_user': django_user,
'profiled_user': profiled_user.to_dict(),
'threads': _attr_safe_json(threads),
'user_info': _attr_safe_json(user_info),
'annotated_content_info': _attr_safe_json(annotated_content_info),
'threads': json.dumps(threads),
'user_info': json.dumps(user_info, default=lambda x: None),
'annotated_content_info': json.dumps(annotated_content_info),
'page': query_params['page'],
'num_pages': query_params['num_pages'],
'learner_profile_page_url': reverse('learner_profile', kwargs={'username': django_user.username})
......@@ -546,9 +538,9 @@ def followed_threads(request, course_key, user_id):
'user': request.user,
'django_user': User.objects.get(id=user_id),
'profiled_user': profiled_user.to_dict(),
'threads': _attr_safe_json(threads),
'user_info': _attr_safe_json(user_info),
'annotated_content_info': _attr_safe_json(annotated_content_info),
'threads': json.dumps(threads),
'user_info': json.dumps(user_info),
'annotated_content_info': json.dumps(annotated_content_info),
# 'content': content,
}
......
lms/djangoapps/django_comment_client/tests/group_id.py
......@@ -24,10 +24,10 @@ class GroupIdAssertionMixin(object):
def _assert_html_response_contains_group_info(self, response):
group_info = {"group_id": None, "group_name": None}
match = re.search(r'&quot;group_id&quot;: ([\d]*)', response.content)
match = re.search(r'&#34;group_id&#34;: ([\d]*)', response.content)
if match and match.group(1) != '':
group_info["group_id"] = int(match.group(1))
match = re.search(r'&quot;group_name&quot;: &quot;([^&]*)&quot;', response.content)
match = re.search(r'&#34;group_name&#34;: &#34;([^&]*)&#34;', response.content)
if match:
group_info["group_name"] = match.group(1)
self._assert_thread_contains_group_info(group_info)
......
lms/templates/discussion/index.html
......@@ -25,20 +25,20 @@ from django.core.urlresolvers import reverse
<%include file="_discussion_course_navigation.html" args="active_page='discussion'" />
<section class="discussion container" id="discussion-container"
data-roles="${roles}"
data-roles="${roles | h}"
data-course-id="${course_id | h}"
data-course-name="${course.display_name_with_default}"
data-user-info="${user_info}"
data-user-create-comment="${can_create_comment}"
data-user-create-subcomment="${can_create_subcomment}"
data-course-name="${course.display_name_with_default | h}"
data-user-info="${user_info | h}"
data-user-create-comment="${can_create_comment | h}"
data-user-create-subcomment="${can_create_subcomment | h}"
data-read-only="false"
data-threads="${threads}"
data-thread-pages="${thread_pages}"
data-content-info="${annotated_content_info}"
data-sort-preference="${sort_preference}"
data-flag-moderator="${flag_moderator}"
data-user-cohort-id="${user_cohort}"
data-course-settings="${course_settings}">
data-threads="${threads | h}"
data-thread-pages="${thread_pages | h}"
data-content-info="${annotated_content_info | h}"
data-sort-preference="${sort_preference | h}"
data-flag-moderator="${flag_moderator | h}"
data-user-cohort-id="${user_cohort | h}"
data-course-settings="${course_settings | h}">
<div class="discussion-body">
<div class="forum-nav" role="complementary" aria-label="${_("Discussion thread list")}"></div>
<div class="discussion-column" role="main" aria-label="Discussion" id="discussion-column">
......
lms/templates/discussion/user_profile.html
......@@ -33,8 +33,7 @@ from django.template.defaultfilters import escapejs
</nav>
</section>
<section class="course-content container discussion-user-threads" data-course-id="${course.id | h}" data-course-name="${course.display_name_with_default}" data-threads="${threads}" data-user-info="${user_info}" data-page="${page}" data-num-pages="${num_pages}"/>
<section class="course-content container discussion-user-threads" data-course-id="${course.id | h}" data-course-name="${course.display_name_with_default | h}" data-threads="${threads | h}" data-user-info="${user_info | h}" data-page="${page | h}" data-num-pages="${num_pages | h}"/>
</div>
</section>
......
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