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git-svn-id: http://code.djangoproject.com/svn/django/trunk@17365 bcc190cf-cafb-0310-a4f2-bffc1f526a37
585 lines
24 KiB
Python
585 lines
24 KiB
Python
# -*- coding: utf-8 -*-
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import gzip
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import re
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import random
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import StringIO
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from django.conf import settings
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from django.core import mail
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from django.http import HttpRequest
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from django.http import HttpResponse
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from django.middleware.clickjacking import XFrameOptionsMiddleware
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from django.middleware.common import CommonMiddleware
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from django.middleware.http import ConditionalGetMiddleware
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from django.middleware.gzip import GZipMiddleware
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from django.test import TestCase
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class CommonMiddlewareTest(TestCase):
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def setUp(self):
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self.append_slash = settings.APPEND_SLASH
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self.prepend_www = settings.PREPEND_WWW
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self.ignorable_404_urls = settings.IGNORABLE_404_URLS
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self.send_broken_email_links = settings.SEND_BROKEN_LINK_EMAILS
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def tearDown(self):
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settings.APPEND_SLASH = self.append_slash
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settings.PREPEND_WWW = self.prepend_www
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settings.IGNORABLE_404_URLS = self.ignorable_404_urls
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settings.SEND_BROKEN_LINK_EMAILS = self.send_broken_email_links
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def _get_request(self, path):
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request = HttpRequest()
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request.META = {
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'SERVER_NAME': 'testserver',
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'SERVER_PORT': 80,
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}
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request.path = request.path_info = "/middleware/%s" % path
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return request
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def test_append_slash_have_slash(self):
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"""
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Tests that URLs with slashes go unmolested.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('slash/')
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self.assertEqual(CommonMiddleware().process_request(request), None)
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def test_append_slash_slashless_resource(self):
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"""
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Tests that matches to explicit slashless URLs go unmolested.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('noslash')
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self.assertEqual(CommonMiddleware().process_request(request), None)
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def test_append_slash_slashless_unknown(self):
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"""
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Tests that APPEND_SLASH doesn't redirect to unknown resources.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('unknown')
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self.assertEqual(CommonMiddleware().process_request(request), None)
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def test_append_slash_redirect(self):
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"""
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Tests that APPEND_SLASH redirects slashless URLs to a valid pattern.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('slash')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r['Location'], 'http://testserver/middleware/slash/')
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def test_append_slash_no_redirect_on_POST_in_DEBUG(self):
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"""
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Tests that while in debug mode, an exception is raised with a warning
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when a failed attempt is made to POST to an URL which would normally be
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redirected to a slashed version.
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"""
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settings.APPEND_SLASH = True
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settings.DEBUG = True
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request = self._get_request('slash')
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request.method = 'POST'
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self.assertRaises(
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RuntimeError,
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CommonMiddleware().process_request,
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request)
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try:
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CommonMiddleware().process_request(request)
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except RuntimeError, e:
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self.assertTrue('end in a slash' in str(e))
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settings.DEBUG = False
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def test_append_slash_disabled(self):
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"""
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Tests disabling append slash functionality.
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"""
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settings.APPEND_SLASH = False
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request = self._get_request('slash')
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self.assertEqual(CommonMiddleware().process_request(request), None)
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def test_append_slash_quoted(self):
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"""
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Tests that URLs which require quoting are redirected to their slash
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version ok.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('needsquoting#')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(
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r['Location'],
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'http://testserver/middleware/needsquoting%23/')
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def test_prepend_www(self):
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settings.PREPEND_WWW = True
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settings.APPEND_SLASH = False
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request = self._get_request('path/')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(
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r['Location'],
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'http://www.testserver/middleware/path/')
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def test_prepend_www_append_slash_have_slash(self):
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settings.PREPEND_WWW = True
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settings.APPEND_SLASH = True
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request = self._get_request('slash/')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r['Location'],
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'http://www.testserver/middleware/slash/')
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def test_prepend_www_append_slash_slashless(self):
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settings.PREPEND_WWW = True
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settings.APPEND_SLASH = True
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request = self._get_request('slash')
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r['Location'],
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'http://www.testserver/middleware/slash/')
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# The following tests examine expected behavior given a custom urlconf that
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# overrides the default one through the request object.
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def test_append_slash_have_slash_custom_urlconf(self):
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"""
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Tests that URLs with slashes go unmolested.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('customurlconf/slash/')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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self.assertEqual(CommonMiddleware().process_request(request), None)
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def test_append_slash_slashless_resource_custom_urlconf(self):
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"""
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Tests that matches to explicit slashless URLs go unmolested.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('customurlconf/noslash')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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self.assertEqual(CommonMiddleware().process_request(request), None)
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def test_append_slash_slashless_unknown_custom_urlconf(self):
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"""
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Tests that APPEND_SLASH doesn't redirect to unknown resources.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('customurlconf/unknown')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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self.assertEqual(CommonMiddleware().process_request(request), None)
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def test_append_slash_redirect_custom_urlconf(self):
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"""
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Tests that APPEND_SLASH redirects slashless URLs to a valid pattern.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('customurlconf/slash')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertFalse(r is None,
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"CommonMiddlware failed to return APPEND_SLASH redirect using request.urlconf")
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r['Location'], 'http://testserver/middleware/customurlconf/slash/')
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def test_append_slash_no_redirect_on_POST_in_DEBUG_custom_urlconf(self):
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"""
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Tests that while in debug mode, an exception is raised with a warning
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when a failed attempt is made to POST to an URL which would normally be
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redirected to a slashed version.
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"""
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settings.APPEND_SLASH = True
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settings.DEBUG = True
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request = self._get_request('customurlconf/slash')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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request.method = 'POST'
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self.assertRaises(
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RuntimeError,
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CommonMiddleware().process_request,
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request)
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try:
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CommonMiddleware().process_request(request)
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except RuntimeError, e:
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self.assertTrue('end in a slash' in str(e))
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settings.DEBUG = False
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def test_append_slash_disabled_custom_urlconf(self):
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"""
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Tests disabling append slash functionality.
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"""
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settings.APPEND_SLASH = False
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request = self._get_request('customurlconf/slash')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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self.assertEqual(CommonMiddleware().process_request(request), None)
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def test_append_slash_quoted_custom_urlconf(self):
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"""
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Tests that URLs which require quoting are redirected to their slash
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version ok.
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"""
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settings.APPEND_SLASH = True
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request = self._get_request('customurlconf/needsquoting#')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertFalse(r is None,
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"CommonMiddlware failed to return APPEND_SLASH redirect using request.urlconf")
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self.assertEqual(r.status_code, 301)
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self.assertEqual(
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r['Location'],
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'http://testserver/middleware/customurlconf/needsquoting%23/')
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def test_prepend_www_custom_urlconf(self):
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settings.PREPEND_WWW = True
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settings.APPEND_SLASH = False
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request = self._get_request('customurlconf/path/')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(
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r['Location'],
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'http://www.testserver/middleware/customurlconf/path/')
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def test_prepend_www_append_slash_have_slash_custom_urlconf(self):
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settings.PREPEND_WWW = True
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settings.APPEND_SLASH = True
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request = self._get_request('customurlconf/slash/')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r['Location'],
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'http://www.testserver/middleware/customurlconf/slash/')
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def test_prepend_www_append_slash_slashless_custom_urlconf(self):
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settings.PREPEND_WWW = True
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settings.APPEND_SLASH = True
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request = self._get_request('customurlconf/slash')
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request.urlconf = 'regressiontests.middleware.extra_urls'
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r = CommonMiddleware().process_request(request)
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self.assertEqual(r.status_code, 301)
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self.assertEqual(r['Location'],
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'http://www.testserver/middleware/customurlconf/slash/')
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# Tests for the 404 error reporting via email
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def test_404_error_reporting(self):
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settings.IGNORABLE_404_URLS = (re.compile(r'foo'),)
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settings.SEND_BROKEN_LINK_EMAILS = True
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request = self._get_request('regular_url/that/does/not/exist')
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request.META['HTTP_REFERER'] = '/another/url/'
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response = self.client.get(request.path)
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CommonMiddleware().process_response(request, response)
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self.assertEqual(len(mail.outbox), 1)
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self.assertIn('Broken', mail.outbox[0].subject)
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def test_404_error_reporting_no_referer(self):
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settings.IGNORABLE_404_URLS = (re.compile(r'foo'),)
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settings.SEND_BROKEN_LINK_EMAILS = True
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request = self._get_request('regular_url/that/does/not/exist')
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response = self.client.get(request.path)
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CommonMiddleware().process_response(request, response)
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self.assertEqual(len(mail.outbox), 0)
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def test_404_error_reporting_ignored_url(self):
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settings.IGNORABLE_404_URLS = (re.compile(r'foo'),)
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settings.SEND_BROKEN_LINK_EMAILS = True
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request = self._get_request('foo_url/that/does/not/exist/either')
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request.META['HTTP_REFERER'] = '/another/url/'
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response = self.client.get(request.path)
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CommonMiddleware().process_response(request, response)
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self.assertEqual(len(mail.outbox), 0)
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class ConditionalGetMiddlewareTest(TestCase):
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urls = 'regressiontests.middleware.cond_get_urls'
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def setUp(self):
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self.req = HttpRequest()
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self.req.META = {
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'SERVER_NAME': 'testserver',
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'SERVER_PORT': 80,
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}
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self.req.path = self.req.path_info = "/"
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self.resp = self.client.get(self.req.path)
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# Tests for the Date header
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def test_date_header_added(self):
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self.assertFalse('Date' in self.resp)
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertTrue('Date' in self.resp)
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# Tests for the Content-Length header
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def test_content_length_header_added(self):
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content_length = len(self.resp.content)
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self.assertFalse('Content-Length' in self.resp)
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertTrue('Content-Length' in self.resp)
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self.assertEqual(int(self.resp['Content-Length']), content_length)
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def test_content_length_header_not_changed(self):
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bad_content_length = len(self.resp.content) + 10
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self.resp['Content-Length'] = bad_content_length
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(int(self.resp['Content-Length']), bad_content_length)
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# Tests for the ETag header
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def test_if_none_match_and_no_etag(self):
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self.req.META['HTTP_IF_NONE_MATCH'] = 'spam'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 200)
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def test_no_if_none_match_and_etag(self):
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self.resp['ETag'] = 'eggs'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 200)
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def test_if_none_match_and_same_etag(self):
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self.req.META['HTTP_IF_NONE_MATCH'] = self.resp['ETag'] = 'spam'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 304)
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def test_if_none_match_and_different_etag(self):
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self.req.META['HTTP_IF_NONE_MATCH'] = 'spam'
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self.resp['ETag'] = 'eggs'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 200)
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# Tests for the Last-Modified header
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def test_if_modified_since_and_no_last_modified(self):
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self.req.META['HTTP_IF_MODIFIED_SINCE'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 200)
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def test_no_if_modified_since_and_last_modified(self):
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self.resp['Last-Modified'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 200)
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def test_if_modified_since_and_same_last_modified(self):
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self.req.META['HTTP_IF_MODIFIED_SINCE'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
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self.resp['Last-Modified'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 304)
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def test_if_modified_since_and_last_modified_in_the_past(self):
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self.req.META['HTTP_IF_MODIFIED_SINCE'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
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self.resp['Last-Modified'] = 'Sat, 12 Feb 2011 17:35:44 GMT'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 304)
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def test_if_modified_since_and_last_modified_in_the_future(self):
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self.req.META['HTTP_IF_MODIFIED_SINCE'] = 'Sat, 12 Feb 2011 17:38:44 GMT'
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self.resp['Last-Modified'] = 'Sat, 12 Feb 2011 17:41:44 GMT'
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self.resp = ConditionalGetMiddleware().process_response(self.req, self.resp)
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self.assertEqual(self.resp.status_code, 200)
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class XFrameOptionsMiddlewareTest(TestCase):
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"""
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Tests for the X-Frame-Options clickjacking prevention middleware.
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"""
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def setUp(self):
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self.x_frame_options = settings.X_FRAME_OPTIONS
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def tearDown(self):
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settings.X_FRAME_OPTIONS = self.x_frame_options
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def test_same_origin(self):
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"""
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Tests that the X_FRAME_OPTIONS setting can be set to SAMEORIGIN to
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have the middleware use that value for the HTTP header.
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"""
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settings.X_FRAME_OPTIONS = 'SAMEORIGIN'
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r = XFrameOptionsMiddleware().process_response(HttpRequest(),
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HttpResponse())
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self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
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settings.X_FRAME_OPTIONS = 'sameorigin'
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r = XFrameOptionsMiddleware().process_response(HttpRequest(),
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HttpResponse())
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self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
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def test_deny(self):
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"""
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Tests that the X_FRAME_OPTIONS setting can be set to DENY to
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have the middleware use that value for the HTTP header.
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"""
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settings.X_FRAME_OPTIONS = 'DENY'
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r = XFrameOptionsMiddleware().process_response(HttpRequest(),
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HttpResponse())
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self.assertEqual(r['X-Frame-Options'], 'DENY')
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settings.X_FRAME_OPTIONS = 'deny'
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r = XFrameOptionsMiddleware().process_response(HttpRequest(),
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HttpResponse())
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self.assertEqual(r['X-Frame-Options'], 'DENY')
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def test_defaults_sameorigin(self):
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"""
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Tests that if the X_FRAME_OPTIONS setting is not set then it defaults
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to SAMEORIGIN.
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"""
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del settings.X_FRAME_OPTIONS
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r = XFrameOptionsMiddleware().process_response(HttpRequest(),
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HttpResponse())
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self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
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def test_dont_set_if_set(self):
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"""
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Tests that if the X-Frame-Options header is already set then the
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middleware does not attempt to override it.
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"""
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settings.X_FRAME_OPTIONS = 'DENY'
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response = HttpResponse()
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response['X-Frame-Options'] = 'SAMEORIGIN'
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r = XFrameOptionsMiddleware().process_response(HttpRequest(),
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response)
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self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
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settings.X_FRAME_OPTIONS = 'SAMEORIGIN'
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response = HttpResponse()
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response['X-Frame-Options'] = 'DENY'
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r = XFrameOptionsMiddleware().process_response(HttpRequest(),
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response)
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self.assertEqual(r['X-Frame-Options'], 'DENY')
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def test_response_exempt(self):
|
|
"""
|
|
Tests that if the response has a xframe_options_exempt attribute set
|
|
to False then it still sets the header, but if it's set to True then
|
|
it does not.
|
|
"""
|
|
settings.X_FRAME_OPTIONS = 'SAMEORIGIN'
|
|
response = HttpResponse()
|
|
response.xframe_options_exempt = False
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
response)
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
response = HttpResponse()
|
|
response.xframe_options_exempt = True
|
|
r = XFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
response)
|
|
self.assertEqual(r.get('X-Frame-Options', None), None)
|
|
|
|
def test_is_extendable(self):
|
|
"""
|
|
Tests that the XFrameOptionsMiddleware method that determines the
|
|
X-Frame-Options header value can be overridden based on something in
|
|
the request or response.
|
|
"""
|
|
class OtherXFrameOptionsMiddleware(XFrameOptionsMiddleware):
|
|
# This is just an example for testing purposes...
|
|
def get_xframe_options_value(self, request, response):
|
|
if getattr(request, 'sameorigin', False):
|
|
return 'SAMEORIGIN'
|
|
if getattr(response, 'sameorigin', False):
|
|
return 'SAMEORIGIN'
|
|
return 'DENY'
|
|
|
|
settings.X_FRAME_OPTIONS = 'DENY'
|
|
response = HttpResponse()
|
|
response.sameorigin = True
|
|
r = OtherXFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
response)
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
request = HttpRequest()
|
|
request.sameorigin = True
|
|
r = OtherXFrameOptionsMiddleware().process_response(request,
|
|
HttpResponse())
|
|
self.assertEqual(r['X-Frame-Options'], 'SAMEORIGIN')
|
|
|
|
settings.X_FRAME_OPTIONS = 'SAMEORIGIN'
|
|
r = OtherXFrameOptionsMiddleware().process_response(HttpRequest(),
|
|
HttpResponse())
|
|
self.assertEqual(r['X-Frame-Options'], 'DENY')
|
|
|
|
|
|
class GZipMiddlewareTest(TestCase):
|
|
"""
|
|
Tests the GZip middleware.
|
|
"""
|
|
short_string = "This string is too short to be worth compressing."
|
|
compressible_string = 'a' * 500
|
|
uncompressible_string = ''.join(chr(random.randint(0, 255)) for _ in xrange(500))
|
|
|
|
def setUp(self):
|
|
self.req = HttpRequest()
|
|
self.req.META = {
|
|
'SERVER_NAME': 'testserver',
|
|
'SERVER_PORT': 80,
|
|
}
|
|
self.req.path = self.req.path_info = "/"
|
|
self.req.META['HTTP_ACCEPT_ENCODING'] = 'gzip, deflate'
|
|
self.req.META['HTTP_USER_AGENT'] = 'Mozilla/5.0 (Windows NT 5.1; rv:9.0.1) Gecko/20100101 Firefox/9.0.1'
|
|
self.resp = HttpResponse()
|
|
self.resp.status_code = 200
|
|
self.resp.content = self.compressible_string
|
|
self.resp['Content-Type'] = 'text/html; charset=UTF-8'
|
|
|
|
@staticmethod
|
|
def decompress(gzipped_string):
|
|
return gzip.GzipFile(mode='rb', fileobj=StringIO.StringIO(gzipped_string)).read()
|
|
|
|
def test_compress_response(self):
|
|
"""
|
|
Tests that compression is performed on responses with compressible content.
|
|
"""
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(self.decompress(r.content), self.compressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), 'gzip')
|
|
self.assertEqual(r.get('Content-Length'), str(len(r.content)))
|
|
|
|
def test_compress_non_200_response(self):
|
|
"""
|
|
Tests that compression is performed on responses with a status other than 200.
|
|
See #10762.
|
|
"""
|
|
self.resp.status_code = 404
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(self.decompress(r.content), self.compressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), 'gzip')
|
|
|
|
def test_no_compress_short_response(self):
|
|
"""
|
|
Tests that compression isn't performed on responses with short content.
|
|
"""
|
|
self.resp.content = self.short_string
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(r.content, self.short_string)
|
|
self.assertEqual(r.get('Content-Encoding'), None)
|
|
|
|
def test_no_compress_compressed_response(self):
|
|
"""
|
|
Tests that compression isn't performed on responses that are already compressed.
|
|
"""
|
|
self.resp['Content-Encoding'] = 'deflate'
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(r.content, self.compressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), 'deflate')
|
|
|
|
def test_no_compress_ie_js_requests(self):
|
|
"""
|
|
Tests that compression isn't performed on JavaScript requests from Internet Explorer.
|
|
"""
|
|
self.req.META['HTTP_USER_AGENT'] = 'Mozilla/4.0 (compatible; MSIE 5.00; Windows 98)'
|
|
self.resp['Content-Type'] = 'application/javascript; charset=UTF-8'
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(r.content, self.compressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), None)
|
|
|
|
def test_no_compress_uncompressible_response(self):
|
|
"""
|
|
Tests that compression isn't performed on responses with uncompressible content.
|
|
"""
|
|
self.resp.content = self.uncompressible_string
|
|
r = GZipMiddleware().process_response(self.req, self.resp)
|
|
self.assertEqual(r.content, self.uncompressible_string)
|
|
self.assertEqual(r.get('Content-Encoding'), None)
|