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test_http.py
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/
test_http.py
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import unittest
from datetime import datetime
from django.test import SimpleTestCase, ignore_warnings
from django.utils.datastructures import MultiValueDict
from django.utils.deprecation import RemovedInDjango30Warning
from django.utils.http import (
base36_to_int, cookie_date, escape_leading_slashes, http_date,
int_to_base36, is_safe_url, is_same_domain, parse_etags, parse_http_date,
quote_etag, urlencode, urlquote, urlquote_plus, urlsafe_base64_decode,
urlsafe_base64_encode, urlunquote, urlunquote_plus,
)
class URLEncodeTests(SimpleTestCase):
cannot_encode_none_msg = (
'Cannot encode None in a query string. Did you mean to pass an '
'empty string or omit the value?'
)
def test_tuples(self):
self.assertEqual(urlencode((('a', 1), ('b', 2), ('c', 3))), 'a=1&b=2&c=3')
def test_dict(self):
result = urlencode({'a': 1, 'b': 2, 'c': 3})
# Dictionaries are treated as unordered.
self.assertIn(result, [
'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',
])
def test_dict_containing_sequence_not_doseq(self):
self.assertEqual(urlencode({'a': [1, 2]}, doseq=False), 'a=%5B%271%27%2C+%272%27%5D')
def test_dict_containing_sequence_doseq(self):
self.assertEqual(urlencode({'a': [1, 2]}, doseq=True), 'a=1&a=2')
def test_dict_containing_empty_sequence_doseq(self):
self.assertEqual(urlencode({'a': []}, doseq=True), '')
def test_multivaluedict(self):
result = urlencode(MultiValueDict({
'name': ['Adrian', 'Simon'],
'position': ['Developer'],
}), doseq=True)
# MultiValueDicts are similarly unordered.
self.assertIn(result, [
'name=Adrian&name=Simon&position=Developer',
'position=Developer&name=Adrian&name=Simon',
])
def test_dict_with_bytes_values(self):
self.assertEqual(urlencode({'a': b'abc'}, doseq=True), 'a=abc')
def test_dict_with_sequence_of_bytes(self):
self.assertEqual(urlencode({'a': [b'spam', b'eggs', b'bacon']}, doseq=True), 'a=spam&a=eggs&a=bacon')
def test_dict_with_bytearray(self):
self.assertEqual(urlencode({'a': bytearray(range(2))}, doseq=True), 'a=0&a=1')
self.assertEqual(urlencode({'a': bytearray(range(2))}, doseq=False), 'a=%5B%270%27%2C+%271%27%5D')
def test_generator(self):
def gen():
yield from range(2)
self.assertEqual(urlencode({'a': gen()}, doseq=True), 'a=0&a=1')
self.assertEqual(urlencode({'a': gen()}, doseq=False), 'a=%5B%270%27%2C+%271%27%5D')
def test_none(self):
with self.assertRaisesMessage(TypeError, self.cannot_encode_none_msg):
urlencode({'a': None})
def test_none_in_sequence(self):
with self.assertRaisesMessage(TypeError, self.cannot_encode_none_msg):
urlencode({'a': [None]}, doseq=True)
def test_none_in_generator(self):
def gen():
yield None
with self.assertRaisesMessage(TypeError, self.cannot_encode_none_msg):
urlencode({'a': gen()}, doseq=True)
class Base36IntTests(SimpleTestCase):
def test_roundtrip(self):
for n in [0, 1, 1000, 1000000]:
self.assertEqual(n, base36_to_int(int_to_base36(n)))
def test_negative_input(self):
with self.assertRaisesMessage(ValueError, 'Negative base36 conversion input.'):
int_to_base36(-1)
def test_to_base36_errors(self):
for n in ['1', 'foo', {1: 2}, (1, 2, 3), 3.141]:
with self.assertRaises(TypeError):
int_to_base36(n)
def test_invalid_literal(self):
for n in ['#', ' ']:
with self.assertRaisesMessage(ValueError, "invalid literal for int() with base 36: '%s'" % n):
base36_to_int(n)
def test_input_too_large(self):
with self.assertRaisesMessage(ValueError, 'Base36 input too large'):
base36_to_int('1' * 14)
def test_to_int_errors(self):
for n in [123, {1: 2}, (1, 2, 3), 3.141]:
with self.assertRaises(TypeError):
base36_to_int(n)
def test_values(self):
for n, b36 in [(0, '0'), (1, '1'), (42, '16'), (818469960, 'django')]:
self.assertEqual(int_to_base36(n), b36)
self.assertEqual(base36_to_int(b36), n)
class IsSafeURLTests(unittest.TestCase):
def test_bad_urls(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',
'http:999999999',
'ftp:9999999999',
'\n',
'http://[2001:cdba:0000:0000:0000:0000:3257:9652/',
'http://2001:cdba:0000:0000:0000:0000:3257:9652]/',
)
for bad_url in bad_urls:
with self.subTest(url=bad_url):
self.assertIs(is_safe_url(bad_url, allowed_hosts={'testserver', 'testserver2'}), False)
def test_good_urls(self):
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/',
'path/http:2222222222',
)
for good_url in good_urls:
with self.subTest(url=good_url):
self.assertIs(is_safe_url(good_url, allowed_hosts={'otherserver', 'testserver'}), True)
def test_basic_auth(self):
# Valid basic auth credentials are allowed.
self.assertIs(is_safe_url(r'http://user:pass@testserver/', allowed_hosts={'user:pass@testserver'}), True)
def test_no_allowed_hosts(self):
# A path without host is allowed.
self.assertIs(is_safe_url('/confirm/me@example.com', allowed_hosts=None), True)
# Basic auth without host is not allowed.
self.assertIs(is_safe_url(r'http://testserver\@example.com', allowed_hosts=None), False)
def test_allowed_hosts_str(self):
self.assertIs(is_safe_url('http://good.com/good', allowed_hosts='good.com'), True)
self.assertIs(is_safe_url('http://good.co/evil', allowed_hosts='good.com'), False)
def test_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:
with self.subTest(url=url):
self.assertIs(is_safe_url(url, allowed_hosts={'example.com'}, require_https=True), True)
def test_secure_param_non_https_urls(self):
insecure_urls = (
'http://example.com/p',
'ftp://example.com/p',
'//example.com/p',
)
for url in insecure_urls:
with self.subTest(url=url):
self.assertIs(is_safe_url(url, allowed_hosts={'example.com'}, require_https=True), False)
class URLSafeBase64Tests(unittest.TestCase):
def test_roundtrip(self):
bytestring = b'foo'
encoded = urlsafe_base64_encode(bytestring)
decoded = urlsafe_base64_decode(encoded)
self.assertEqual(bytestring, decoded)
class URLQuoteTests(unittest.TestCase):
def test_quote(self):
self.assertEqual(urlquote('Paris & Orl\xe9ans'), 'Paris%20%26%20Orl%C3%A9ans')
self.assertEqual(urlquote('Paris & Orl\xe9ans', safe="&"), 'Paris%20&%20Orl%C3%A9ans')
def test_unquote(self):
self.assertEqual(urlunquote('Paris%20%26%20Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
self.assertEqual(urlunquote('Paris%20&%20Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
def test_quote_plus(self):
self.assertEqual(urlquote_plus('Paris & Orl\xe9ans'), 'Paris+%26+Orl%C3%A9ans')
self.assertEqual(urlquote_plus('Paris & Orl\xe9ans', safe="&"), 'Paris+&+Orl%C3%A9ans')
def test_unquote_plus(self):
self.assertEqual(urlunquote_plus('Paris+%26+Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
self.assertEqual(urlunquote_plus('Paris+&+Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
class IsSameDomainTests(unittest.TestCase):
def test_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.assertIs(is_same_domain(*pair), True)
def test_bad(self):
for pair in (
('example2.com', 'example.com'),
('foo.example.com', 'example.com'),
('example.com:9999', 'example.com:8888'),
('foo.example.com:8888', ''),
):
self.assertIs(is_same_domain(*pair), False)
class ETagProcessingTests(unittest.TestCase):
def test_parsing(self):
self.assertEqual(
parse_etags(r'"" , "etag", "e\\tag", W/"weak"'),
['""', '"etag"', r'"e\\tag"', 'W/"weak"']
)
self.assertEqual(parse_etags('*'), ['*'])
# Ignore RFC 2616 ETags that are invalid according to RFC 7232.
self.assertEqual(parse_etags(r'"etag", "e\"t\"ag"'), ['"etag"'])
def test_quoting(self):
self.assertEqual(quote_etag('etag'), '"etag"') # unquoted
self.assertEqual(quote_etag('"etag"'), '"etag"') # quoted
self.assertEqual(quote_etag('W/"etag"'), 'W/"etag"') # quoted, weak
class HttpDateProcessingTests(unittest.TestCase):
def test_http_date(self):
t = 1167616461.0
self.assertEqual(http_date(t), 'Mon, 01 Jan 2007 01:54:21 GMT')
@ignore_warnings(category=RemovedInDjango30Warning)
def test_cookie_date(self):
t = 1167616461.0
self.assertEqual(cookie_date(t), 'Mon, 01-Jan-2007 01:54:21 GMT')
def test_parsing_rfc1123(self):
parsed = 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 = 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 = parse_http_date('Sun Nov 6 08:49:37 1994')
self.assertEqual(datetime.utcfromtimestamp(parsed), datetime(1994, 11, 6, 8, 49, 37))
def test_parsing_year_less_than_70(self):
parsed = parse_http_date('Sun Nov 6 08:49:37 0050')
self.assertEqual(datetime.utcfromtimestamp(parsed), datetime(2050, 11, 6, 8, 49, 37))
class EscapeLeadingSlashesTests(unittest.TestCase):
def test(self):
tests = (
('//example.com', '/%2Fexample.com'),
('//', '/%2F'),
)
for url, expected in tests:
with self.subTest(url=url):
self.assertEqual(escape_leading_slashes(url), expected)