import unittest from datetime import datetime from django.utils import http from django.utils.datastructures import MultiValueDict 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) with self.assertRaises(ValueError) as cm: http.base36_to_int('1' * 14) self.assertEqual('Base36 input too large', str(cm.exception)) 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', '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: 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/', 'path/http:2222222222', ) for good_url in good_urls: 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))