mirror of https://github.com/django/django.git
318 lines
12 KiB
Python
318 lines
12 KiB
Python
import unittest
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from datetime import datetime
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from django.test import SimpleTestCase, ignore_warnings
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from django.utils.datastructures import MultiValueDict
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from django.utils.deprecation import RemovedInDjango40Warning
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from django.utils.http import (
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base36_to_int, escape_leading_slashes, http_date, int_to_base36,
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is_safe_url, is_same_domain, parse_etags, parse_http_date, quote_etag,
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urlencode, urlquote, urlquote_plus, urlsafe_base64_decode,
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urlsafe_base64_encode, urlunquote, urlunquote_plus,
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)
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class URLEncodeTests(SimpleTestCase):
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cannot_encode_none_msg = (
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'Cannot encode None in a query string. Did you mean to pass an '
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'empty string or omit the value?'
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)
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def test_tuples(self):
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self.assertEqual(urlencode((('a', 1), ('b', 2), ('c', 3))), 'a=1&b=2&c=3')
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def test_dict(self):
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result = urlencode({'a': 1, 'b': 2, 'c': 3})
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# Dictionaries are treated as unordered.
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self.assertIn(result, [
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'a=1&b=2&c=3',
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'a=1&c=3&b=2',
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'b=2&a=1&c=3',
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'b=2&c=3&a=1',
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'c=3&a=1&b=2',
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'c=3&b=2&a=1',
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])
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def test_dict_containing_sequence_not_doseq(self):
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self.assertEqual(urlencode({'a': [1, 2]}, doseq=False), 'a=%5B1%2C+2%5D')
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def test_dict_containing_tuple_not_doseq(self):
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self.assertEqual(urlencode({'a': (1, 2)}, doseq=False), 'a=%281%2C+2%29')
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def test_custom_iterable_not_doseq(self):
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class IterableWithStr:
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def __str__(self):
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return 'custom'
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def __iter__(self):
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yield from range(0, 3)
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self.assertEqual(urlencode({'a': IterableWithStr()}, doseq=False), 'a=custom')
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def test_dict_containing_sequence_doseq(self):
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self.assertEqual(urlencode({'a': [1, 2]}, doseq=True), 'a=1&a=2')
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def test_dict_containing_empty_sequence_doseq(self):
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self.assertEqual(urlencode({'a': []}, doseq=True), '')
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def test_multivaluedict(self):
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result = urlencode(MultiValueDict({
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'name': ['Adrian', 'Simon'],
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'position': ['Developer'],
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}), doseq=True)
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# MultiValueDicts are similarly unordered.
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self.assertIn(result, [
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'name=Adrian&name=Simon&position=Developer',
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'position=Developer&name=Adrian&name=Simon',
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])
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def test_dict_with_bytes_values(self):
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self.assertEqual(urlencode({'a': b'abc'}, doseq=True), 'a=abc')
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def test_dict_with_sequence_of_bytes(self):
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self.assertEqual(urlencode({'a': [b'spam', b'eggs', b'bacon']}, doseq=True), 'a=spam&a=eggs&a=bacon')
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def test_dict_with_bytearray(self):
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self.assertEqual(urlencode({'a': bytearray(range(2))}, doseq=True), 'a=0&a=1')
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def test_generator(self):
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self.assertEqual(urlencode({'a': range(2)}, doseq=True), 'a=0&a=1')
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self.assertEqual(urlencode({'a': range(2)}, doseq=False), 'a=range%280%2C+2%29')
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def test_none(self):
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with self.assertRaisesMessage(TypeError, self.cannot_encode_none_msg):
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urlencode({'a': None})
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def test_none_in_sequence(self):
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with self.assertRaisesMessage(TypeError, self.cannot_encode_none_msg):
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urlencode({'a': [None]}, doseq=True)
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def test_none_in_generator(self):
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def gen():
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yield None
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with self.assertRaisesMessage(TypeError, self.cannot_encode_none_msg):
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urlencode({'a': gen()}, doseq=True)
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class Base36IntTests(SimpleTestCase):
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def test_roundtrip(self):
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for n in [0, 1, 1000, 1000000]:
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self.assertEqual(n, base36_to_int(int_to_base36(n)))
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def test_negative_input(self):
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with self.assertRaisesMessage(ValueError, 'Negative base36 conversion input.'):
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int_to_base36(-1)
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def test_to_base36_errors(self):
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for n in ['1', 'foo', {1: 2}, (1, 2, 3), 3.141]:
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with self.assertRaises(TypeError):
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int_to_base36(n)
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def test_invalid_literal(self):
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for n in ['#', ' ']:
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with self.assertRaisesMessage(ValueError, "invalid literal for int() with base 36: '%s'" % n):
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base36_to_int(n)
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def test_input_too_large(self):
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with self.assertRaisesMessage(ValueError, 'Base36 input too large'):
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base36_to_int('1' * 14)
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def test_to_int_errors(self):
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for n in [123, {1: 2}, (1, 2, 3), 3.141]:
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with self.assertRaises(TypeError):
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base36_to_int(n)
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def test_values(self):
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for n, b36 in [(0, '0'), (1, '1'), (42, '16'), (818469960, 'django')]:
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self.assertEqual(int_to_base36(n), b36)
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self.assertEqual(base36_to_int(b36), n)
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class IsSafeURLTests(unittest.TestCase):
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def test_bad_urls(self):
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bad_urls = (
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'http://example.com',
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'http:///example.com',
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'https://example.com',
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'ftp://example.com',
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r'\\example.com',
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r'\\\example.com',
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r'/\\/example.com',
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r'\\\example.com',
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r'\\example.com',
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r'\\//example.com',
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r'/\/example.com',
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r'\/example.com',
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r'/\example.com',
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'http:///example.com',
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r'http:/\//example.com',
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r'http:\/example.com',
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r'http:/\example.com',
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'javascript:alert("XSS")',
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'\njavascript:alert(x)',
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'\x08//example.com',
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r'http://otherserver\@example.com',
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r'http:\\testserver\@example.com',
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r'http://testserver\me:pass@example.com',
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r'http://testserver\@example.com',
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r'http:\\testserver\confirm\me@example.com',
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'http:999999999',
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'ftp:9999999999',
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'\n',
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'http://[2001:cdba:0000:0000:0000:0000:3257:9652/',
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'http://2001:cdba:0000:0000:0000:0000:3257:9652]/',
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)
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for bad_url in bad_urls:
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with self.subTest(url=bad_url):
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self.assertIs(is_safe_url(bad_url, allowed_hosts={'testserver', 'testserver2'}), False)
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def test_good_urls(self):
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good_urls = (
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'/view/?param=http://example.com',
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'/view/?param=https://example.com',
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'/view?param=ftp://example.com',
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'view/?param=//example.com',
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'https://testserver/',
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'HTTPS://testserver/',
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'//testserver/',
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'http://testserver/confirm?email=me@example.com',
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'/url%20with%20spaces/',
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'path/http:2222222222',
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)
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for good_url in good_urls:
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with self.subTest(url=good_url):
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self.assertIs(is_safe_url(good_url, allowed_hosts={'otherserver', 'testserver'}), True)
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def test_basic_auth(self):
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# Valid basic auth credentials are allowed.
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self.assertIs(is_safe_url(r'http://user:pass@testserver/', allowed_hosts={'user:pass@testserver'}), True)
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def test_no_allowed_hosts(self):
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# A path without host is allowed.
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self.assertIs(is_safe_url('/confirm/me@example.com', allowed_hosts=None), True)
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# Basic auth without host is not allowed.
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self.assertIs(is_safe_url(r'http://testserver\@example.com', allowed_hosts=None), False)
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def test_allowed_hosts_str(self):
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self.assertIs(is_safe_url('http://good.com/good', allowed_hosts='good.com'), True)
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self.assertIs(is_safe_url('http://good.co/evil', allowed_hosts='good.com'), False)
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def test_secure_param_https_urls(self):
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secure_urls = (
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'https://example.com/p',
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'HTTPS://example.com/p',
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'/view/?param=http://example.com',
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)
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for url in secure_urls:
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with self.subTest(url=url):
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self.assertIs(is_safe_url(url, allowed_hosts={'example.com'}, require_https=True), True)
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def test_secure_param_non_https_urls(self):
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insecure_urls = (
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'http://example.com/p',
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'ftp://example.com/p',
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'//example.com/p',
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)
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for url in insecure_urls:
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with self.subTest(url=url):
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self.assertIs(is_safe_url(url, allowed_hosts={'example.com'}, require_https=True), False)
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class URLSafeBase64Tests(unittest.TestCase):
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def test_roundtrip(self):
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bytestring = b'foo'
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encoded = urlsafe_base64_encode(bytestring)
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decoded = urlsafe_base64_decode(encoded)
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self.assertEqual(bytestring, decoded)
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@ignore_warnings(category=RemovedInDjango40Warning)
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class URLQuoteTests(unittest.TestCase):
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def test_quote(self):
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self.assertEqual(urlquote('Paris & Orl\xe9ans'), 'Paris%20%26%20Orl%C3%A9ans')
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self.assertEqual(urlquote('Paris & Orl\xe9ans', safe="&"), 'Paris%20&%20Orl%C3%A9ans')
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def test_unquote(self):
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self.assertEqual(urlunquote('Paris%20%26%20Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
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self.assertEqual(urlunquote('Paris%20&%20Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
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def test_quote_plus(self):
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self.assertEqual(urlquote_plus('Paris & Orl\xe9ans'), 'Paris+%26+Orl%C3%A9ans')
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self.assertEqual(urlquote_plus('Paris & Orl\xe9ans', safe="&"), 'Paris+&+Orl%C3%A9ans')
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def test_unquote_plus(self):
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self.assertEqual(urlunquote_plus('Paris+%26+Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
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self.assertEqual(urlunquote_plus('Paris+&+Orl%C3%A9ans'), 'Paris & Orl\xe9ans')
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class IsSameDomainTests(unittest.TestCase):
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def test_good(self):
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for pair in (
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('example.com', 'example.com'),
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('example.com', '.example.com'),
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('foo.example.com', '.example.com'),
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('example.com:8888', 'example.com:8888'),
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('example.com:8888', '.example.com:8888'),
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('foo.example.com:8888', '.example.com:8888'),
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):
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self.assertIs(is_same_domain(*pair), True)
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def test_bad(self):
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for pair in (
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('example2.com', 'example.com'),
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('foo.example.com', 'example.com'),
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('example.com:9999', 'example.com:8888'),
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('foo.example.com:8888', ''),
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):
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self.assertIs(is_same_domain(*pair), False)
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class ETagProcessingTests(unittest.TestCase):
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def test_parsing(self):
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self.assertEqual(
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parse_etags(r'"" , "etag", "e\\tag", W/"weak"'),
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['""', '"etag"', r'"e\\tag"', 'W/"weak"']
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)
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self.assertEqual(parse_etags('*'), ['*'])
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# Ignore RFC 2616 ETags that are invalid according to RFC 7232.
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self.assertEqual(parse_etags(r'"etag", "e\"t\"ag"'), ['"etag"'])
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def test_quoting(self):
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self.assertEqual(quote_etag('etag'), '"etag"') # unquoted
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self.assertEqual(quote_etag('"etag"'), '"etag"') # quoted
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self.assertEqual(quote_etag('W/"etag"'), 'W/"etag"') # quoted, weak
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class HttpDateProcessingTests(unittest.TestCase):
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def test_http_date(self):
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t = 1167616461.0
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self.assertEqual(http_date(t), 'Mon, 01 Jan 2007 01:54:21 GMT')
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def test_parsing_rfc1123(self):
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parsed = parse_http_date('Sun, 06 Nov 1994 08:49:37 GMT')
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self.assertEqual(datetime.utcfromtimestamp(parsed), datetime(1994, 11, 6, 8, 49, 37))
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def test_parsing_rfc850(self):
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parsed = parse_http_date('Sunday, 06-Nov-94 08:49:37 GMT')
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self.assertEqual(datetime.utcfromtimestamp(parsed), datetime(1994, 11, 6, 8, 49, 37))
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def test_parsing_asctime(self):
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parsed = parse_http_date('Sun Nov 6 08:49:37 1994')
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self.assertEqual(datetime.utcfromtimestamp(parsed), datetime(1994, 11, 6, 8, 49, 37))
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def test_parsing_year_less_than_70(self):
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parsed = parse_http_date('Sun Nov 6 08:49:37 0037')
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self.assertEqual(datetime.utcfromtimestamp(parsed), datetime(2037, 11, 6, 8, 49, 37))
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class EscapeLeadingSlashesTests(unittest.TestCase):
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def test(self):
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tests = (
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('//example.com', '/%2Fexample.com'),
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('//', '/%2F'),
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)
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for url, expected in tests:
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with self.subTest(url=url):
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self.assertEqual(escape_leading_slashes(url), expected)
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