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			288 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			288 lines
		
	
	
	
		
			11 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 RemovedInDjango30Warning
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from django.utils.http import (
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    base36_to_int, cookie_date, escape_leading_slashes, http_date,
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    int_to_base36, is_safe_url, is_same_domain, parse_etags, parse_http_date,
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    quote_etag, 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(unittest.TestCase):
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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=%5B%271%27%2C+%272%27%5D')
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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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        self.assertEqual(urlencode({'a': bytearray(range(2))}, doseq=False), 'a=%5B%270%27%2C+%271%27%5D')
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    def test_generator(self):
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        def gen():
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            yield from range(2)
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        self.assertEqual(urlencode({'a': gen()}, doseq=True), 'a=0&a=1')
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        self.assertEqual(urlencode({'a': gen()}, doseq=False), 'a=%5B%270%27%2C+%271%27%5D')
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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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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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        ):
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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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    @ignore_warnings(category=RemovedInDjango30Warning)
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    def test_cookie_date(self):
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        t = 1167616461.0
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        self.assertEqual(cookie_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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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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