import unittest
from datetime import datetime
from django.test import ignore_warnings
from django.utils import http
from django.utils.datastructures import MultiValueDict
from django.utils.deprecation import RemovedInDjango21Warning
class TestUtilsHttp(unittest.TestCase):
def test_urlencode(self):
# 2-tuples (the norm)
result = http.urlencode((('a', 1), ('b', 2), ('c', 3)))
self.assertEqual(result, 'a=1&b=2&c=3')
# A dictionary
result = http.urlencode({'a': 1, 'b': 2, 'c': 3})
acceptable_results = [
# Need to allow all of these as dictionaries have to be treated as
# unordered
'a=1&b=2&c=3',
'a=1&c=3&b=2',
'b=2&a=1&c=3',
'b=2&c=3&a=1',
'c=3&a=1&b=2',
'c=3&b=2&a=1'
]
self.assertIn(result, acceptable_results)
result = http.urlencode({'a': [1, 2]}, doseq=False)
self.assertEqual(result, 'a=%5B%271%27%2C+%272%27%5D')
result = http.urlencode({'a': [1, 2]}, doseq=True)
self.assertEqual(result, 'a=1&a=2')
result = http.urlencode({'a': []}, doseq=True)
self.assertEqual(result, '')
# A MultiValueDict
result = http.urlencode(MultiValueDict({
'name': ['Adrian', 'Simon'],
'position': ['Developer']
}), doseq=True)
acceptable_results = [
# MultiValueDicts are similarly unordered
'name=Adrian&name=Simon&position=Developer',
'position=Developer&name=Adrian&name=Simon'
]
self.assertIn(result, acceptable_results)
def test_base36(self):
# reciprocity works
for n in [0, 1, 1000, 1000000]:
self.assertEqual(n, http.base36_to_int(http.int_to_base36(n)))
# bad input
with self.assertRaises(ValueError):
http.int_to_base36(-1)
for n in ['1', 'foo', {1: 2}, (1, 2, 3), 3.141]:
with self.assertRaises(TypeError):
http.int_to_base36(n)
for n in ['#', ' ']:
with self.assertRaises(ValueError):
http.base36_to_int(n)
for n in [123, {1: 2}, (1, 2, 3), 3.141]:
with self.assertRaises(TypeError):
http.base36_to_int(n)
# more explicit output testing
for n, b36 in [(0, '0'), (1, '1'), (42, '16'), (818469960, 'django')]:
self.assertEqual(http.int_to_base36(n), b36)
self.assertEqual(http.base36_to_int(b36), n)
def test_is_safe_url(self):
bad_urls = (
'http://example.com',
'http:///example.com',
'https://example.com',
'ftp://example.com',
r'\\example.com',
r'\\\example.com',
r'/\\/example.com',
r'\\\example.com',
r'\\example.com',
r'\\//example.com',
r'/\/example.com',
r'\/example.com',
r'/\example.com',
'http:///example.com',
r'http:/\//example.com',
r'http:\/example.com',
r'http:/\example.com',
'javascript:alert("XSS")',
'\njavascript:alert(x)',
'\x08//example.com',
r'http://otherserver\@example.com',
r'http:\\testserver\@example.com',
r'http://testserver\me:pass@example.com',
r'http://testserver\@example.com',
r'http:\\testserver\confirm\me@example.com',
'\n',
)
for bad_url in bad_urls:
with ignore_warnings(category=RemovedInDjango21Warning):
self.assertFalse(http.is_safe_url(bad_url, host='testserver'), "%s should be blocked" % bad_url)
self.assertFalse(
http.is_safe_url(bad_url, allowed_hosts={'testserver', 'testserver2'}),
"%s should be blocked" % bad_url,
)
good_urls = (
'/view/?param=http://example.com',
'/view/?param=https://example.com',
'/view?param=ftp://example.com',
'view/?param=//example.com',
'https://testserver/',
'HTTPS://testserver/',
'//testserver/',
'http://testserver/confirm?email=me@example.com',
'/url%20with%20spaces/',
)
for good_url in good_urls:
with ignore_warnings(category=RemovedInDjango21Warning):
self.assertTrue(http.is_safe_url(good_url, host='testserver'), "%s should be allowed" % good_url)
self.assertTrue(
http.is_safe_url(good_url, allowed_hosts={'otherserver', 'testserver'}),
"%s should be allowed" % good_url,
)
# Valid basic auth credentials are allowed.
self.assertTrue(http.is_safe_url(r'http://user:pass@testserver/', allowed_hosts={'user:pass@testserver'}))
# A path without host is allowed.
self.assertTrue(http.is_safe_url('/confirm/me@example.com'))
# Basic auth without host is not allowed.
self.assertFalse(http.is_safe_url(r'http://testserver\@example.com'))
def test_is_safe_url_secure_param_https_urls(self):
secure_urls = (
'https://example.com/p',
'HTTPS://example.com/p',
'/view/?param=http://example.com',
)
for url in secure_urls:
self.assertTrue(http.is_safe_url(url, allowed_hosts={'example.com'}, require_https=True))
def test_is_safe_url_secure_param_non_https_urls(self):
not_secure_urls = (
'http://example.com/p',
'ftp://example.com/p',
'//example.com/p',
)
for url in not_secure_urls:
self.assertFalse(http.is_safe_url(url, allowed_hosts={'example.com'}, require_https=True))
def test_urlsafe_base64_roundtrip(self):
bytestring = b'foo'
encoded = http.urlsafe_base64_encode(bytestring)
decoded = http.urlsafe_base64_decode(encoded)
self.assertEqual(bytestring, decoded)
def test_urlquote(self):
self.assertEqual(http.urlquote('Paris & Orl\xe9ans'), 'Paris%20%26%20Orl%C3%A9ans')
self.assertEqual(http.urlquote('Paris & Orl\xe9ans', safe="&"), 'Paris%20&%20Orl%C3%A9ans')
self.assertEqual(http.urlunquote('Paris%20%26%20Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
self.assertEqual(http.urlunquote('Paris%20&%20Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
self.assertEqual(http.urlquote_plus('Paris & Orl\xe9ans'), 'Paris+%26+Orl%C3%A9ans')
self.assertEqual(http.urlquote_plus('Paris & Orl\xe9ans', safe="&"), 'Paris+&+Orl%C3%A9ans')
self.assertEqual(http.urlunquote_plus('Paris+%26+Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
self.assertEqual(http.urlunquote_plus('Paris+&+Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
def test_is_same_domain_good(self):
for pair in (
('example.com', 'example.com'),
('example.com', '.example.com'),
('foo.example.com', '.example.com'),
('example.com:8888', 'example.com:8888'),
('example.com:8888', '.example.com:8888'),
('foo.example.com:8888', '.example.com:8888'),
):
self.assertTrue(http.is_same_domain(*pair))
def test_is_same_domain_bad(self):
for pair in (
('example2.com', 'example.com'),
('foo.example.com', 'example.com'),
('example.com:9999', 'example.com:8888'),
):
self.assertFalse(http.is_same_domain(*pair))
class ETagProcessingTests(unittest.TestCase):
def test_parsing(self):
self.assertEqual(
http.parse_etags(r'"" , "etag", "e\\tag", W/"weak"'),
['""', '"etag"', r'"e\\tag"', 'W/"weak"']
)
self.assertEqual(http.parse_etags('*'), ['*'])
# Ignore RFC 2616 ETags that are invalid according to RFC 7232.
self.assertEqual(http.parse_etags(r'"etag", "e\"t\"ag"'), ['"etag"'])
def test_quoting(self):
self.assertEqual(http.quote_etag('etag'), '"etag"') # unquoted
self.assertEqual(http.quote_etag('"etag"'), '"etag"') # quoted
self.assertEqual(http.quote_etag('W/"etag"'), 'W/"etag"') # quoted, weak
class HttpDateProcessingTests(unittest.TestCase):
def test_http_date(self):
t = 1167616461.0
self.assertEqual(http.http_date(t), 'Mon, 01 Jan 2007 01:54:21 GMT')
def test_cookie_date(self):
t = 1167616461.0
self.assertEqual(http.cookie_date(t), 'Mon, 01-Jan-2007 01:54:21 GMT')
def test_parsing_rfc1123(self):
parsed = http.parse_http_date('Sun, 06 Nov 1994 08:49:37 GMT')
self.assertEqual(datetime.utcfromtimestamp(parsed), datetime(1994, 11, 6, 8, 49, 37))
def test_parsing_rfc850(self):
parsed = http.parse_http_date('Sunday, 06-Nov-94 08:49:37 GMT')
self.assertEqual(datetime.utcfromtimestamp(parsed), datetime(1994, 11, 6, 8, 49, 37))
def test_parsing_asctime(self):
parsed = http.parse_http_date('Sun Nov 6 08:49:37 1994')
self.assertEqual(datetime.utcfromtimestamp(parsed), datetime(1994, 11, 6, 8, 49, 37))