import unittest from datetime import datetime from django.test import SimpleTestCase from django.utils.datastructures import MultiValueDict from django.utils.http import ( base36_to_int, cookie_date, 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(unittest.TestCase): 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', ]) 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'), True) # Basic auth without host is not allowed. self.assertIs(is_safe_url(r'http://testserver\@example.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'), ): 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') 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))