mirror of
https://github.com/python/cpython.git
synced 2026-06-18 09:00:56 -04:00
Antoine Pitrou
803e6d670c
urllib.request.urlopen now take optional arguments to allow for server certificate checking, as recommended in public uses of HTTPS.
588 lines
21 KiB
Python
588 lines
21 KiB
Python
import errno
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from http import client
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import io
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import os
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import array
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import socket
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import unittest
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TestCase = unittest.TestCase
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from test import support
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here = os.path.dirname(__file__)
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# Self-signed cert file for 'localhost'
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CERT_localhost = os.path.join(here, 'keycert.pem')
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# Self-signed cert file for 'fakehostname'
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CERT_fakehostname = os.path.join(here, 'keycert2.pem')
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# Root cert file (CA) for svn.python.org's cert
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CACERT_svn_python_org = os.path.join(here, 'https_svn_python_org_root.pem')
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HOST = support.HOST
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class FakeSocket:
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def __init__(self, text, fileclass=io.BytesIO):
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if isinstance(text, str):
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text = text.encode("ascii")
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self.text = text
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self.fileclass = fileclass
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self.data = b''
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def sendall(self, data):
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self.data += data
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def makefile(self, mode, bufsize=None):
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if mode != 'r' and mode != 'rb':
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raise client.UnimplementedFileMode()
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return self.fileclass(self.text)
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class EPipeSocket(FakeSocket):
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def __init__(self, text, pipe_trigger):
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# When sendall() is called with pipe_trigger, raise EPIPE.
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FakeSocket.__init__(self, text)
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self.pipe_trigger = pipe_trigger
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def sendall(self, data):
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if self.pipe_trigger in data:
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raise socket.error(errno.EPIPE, "gotcha")
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self.data += data
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def close(self):
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pass
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class NoEOFStringIO(io.BytesIO):
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"""Like StringIO, but raises AssertionError on EOF.
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This is used below to test that http.client doesn't try to read
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more from the underlying file than it should.
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"""
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def read(self, n=-1):
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data = io.BytesIO.read(self, n)
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if data == b'':
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raise AssertionError('caller tried to read past EOF')
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return data
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def readline(self, length=None):
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data = io.BytesIO.readline(self, length)
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if data == b'':
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raise AssertionError('caller tried to read past EOF')
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return data
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class HeaderTests(TestCase):
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def test_auto_headers(self):
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# Some headers are added automatically, but should not be added by
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# .request() if they are explicitly set.
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class HeaderCountingBuffer(list):
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def __init__(self):
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self.count = {}
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def append(self, item):
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kv = item.split(b':')
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if len(kv) > 1:
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# item is a 'Key: Value' header string
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lcKey = kv[0].decode('ascii').lower()
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self.count.setdefault(lcKey, 0)
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self.count[lcKey] += 1
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list.append(self, item)
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for explicit_header in True, False:
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for header in 'Content-length', 'Host', 'Accept-encoding':
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conn = client.HTTPConnection('example.com')
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conn.sock = FakeSocket('blahblahblah')
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conn._buffer = HeaderCountingBuffer()
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body = 'spamspamspam'
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headers = {}
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if explicit_header:
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headers[header] = str(len(body))
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conn.request('POST', '/', body, headers)
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self.assertEqual(conn._buffer.count[header.lower()], 1)
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def test_putheader(self):
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conn = client.HTTPConnection('example.com')
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conn.sock = FakeSocket(None)
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conn.putrequest('GET','/')
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conn.putheader('Content-length', 42)
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self.assertTrue(b'Content-length: 42' in conn._buffer)
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class BasicTest(TestCase):
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def test_status_lines(self):
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# Test HTTP status lines
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body = "HTTP/1.1 200 Ok\r\n\r\nText"
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sock = FakeSocket(body)
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resp = client.HTTPResponse(sock)
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resp.begin()
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self.assertEqual(resp.read(), b"Text")
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self.assertTrue(resp.isclosed())
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body = "HTTP/1.1 400.100 Not Ok\r\n\r\nText"
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sock = FakeSocket(body)
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resp = client.HTTPResponse(sock)
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self.assertRaises(client.BadStatusLine, resp.begin)
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def test_bad_status_repr(self):
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exc = client.BadStatusLine('')
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self.assertEquals(repr(exc), '''BadStatusLine("\'\'",)''')
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def test_partial_reads(self):
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# if we have a lenght, the system knows when to close itself
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# same behaviour than when we read the whole thing with read()
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body = "HTTP/1.1 200 Ok\r\nContent-Length: 4\r\n\r\nText"
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sock = FakeSocket(body)
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resp = client.HTTPResponse(sock)
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resp.begin()
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self.assertEqual(resp.read(2), b'Te')
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self.assertFalse(resp.isclosed())
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self.assertEqual(resp.read(2), b'xt')
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self.assertTrue(resp.isclosed())
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def test_host_port(self):
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# Check invalid host_port
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for hp in ("www.python.org:abc", "www.python.org:"):
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self.assertRaises(client.InvalidURL, client.HTTPConnection, hp)
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for hp, h, p in (("[fe80::207:e9ff:fe9b]:8000",
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"fe80::207:e9ff:fe9b", 8000),
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("www.python.org:80", "www.python.org", 80),
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("www.python.org", "www.python.org", 80),
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("[fe80::207:e9ff:fe9b]", "fe80::207:e9ff:fe9b", 80)):
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c = client.HTTPConnection(hp)
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self.assertEqual(h, c.host)
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self.assertEqual(p, c.port)
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def test_response_headers(self):
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# test response with multiple message headers with the same field name.
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text = ('HTTP/1.1 200 OK\r\n'
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'Set-Cookie: Customer="WILE_E_COYOTE"; '
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'Version="1"; Path="/acme"\r\n'
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'Set-Cookie: Part_Number="Rocket_Launcher_0001"; Version="1";'
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' Path="/acme"\r\n'
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'\r\n'
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'No body\r\n')
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hdr = ('Customer="WILE_E_COYOTE"; Version="1"; Path="/acme"'
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', '
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'Part_Number="Rocket_Launcher_0001"; Version="1"; Path="/acme"')
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s = FakeSocket(text)
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r = client.HTTPResponse(s)
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r.begin()
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cookies = r.getheader("Set-Cookie")
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self.assertEqual(cookies, hdr)
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def test_read_head(self):
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# Test that the library doesn't attempt to read any data
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# from a HEAD request. (Tickles SF bug #622042.)
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sock = FakeSocket(
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'HTTP/1.1 200 OK\r\n'
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'Content-Length: 14432\r\n'
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'\r\n',
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NoEOFStringIO)
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resp = client.HTTPResponse(sock, method="HEAD")
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resp.begin()
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if resp.read():
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self.fail("Did not expect response from HEAD request")
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def test_send_file(self):
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expected = (b'GET /foo HTTP/1.1\r\nHost: example.com\r\n'
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b'Accept-Encoding: identity\r\nContent-Length:')
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body = open(__file__, 'rb')
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conn = client.HTTPConnection('example.com')
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sock = FakeSocket(body)
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conn.sock = sock
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conn.request('GET', '/foo', body)
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self.assertTrue(sock.data.startswith(expected), '%r != %r' %
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(sock.data[:len(expected)], expected))
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def test_send(self):
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expected = b'this is a test this is only a test'
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conn = client.HTTPConnection('example.com')
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sock = FakeSocket(None)
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conn.sock = sock
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conn.send(expected)
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self.assertEquals(expected, sock.data)
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sock.data = b''
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conn.send(array.array('b', expected))
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self.assertEquals(expected, sock.data)
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sock.data = b''
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conn.send(io.BytesIO(expected))
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self.assertEquals(expected, sock.data)
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def test_chunked(self):
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chunked_start = (
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'HTTP/1.1 200 OK\r\n'
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'Transfer-Encoding: chunked\r\n\r\n'
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'a\r\n'
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'hello worl\r\n'
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'1\r\n'
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'd\r\n'
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)
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sock = FakeSocket(chunked_start + '0\r\n')
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resp = client.HTTPResponse(sock, method="GET")
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resp.begin()
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self.assertEquals(resp.read(), b'hello world')
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resp.close()
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for x in ('', 'foo\r\n'):
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sock = FakeSocket(chunked_start + x)
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resp = client.HTTPResponse(sock, method="GET")
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resp.begin()
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try:
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resp.read()
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except client.IncompleteRead as i:
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self.assertEquals(i.partial, b'hello world')
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self.assertEqual(repr(i),'IncompleteRead(11 bytes read)')
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self.assertEqual(str(i),'IncompleteRead(11 bytes read)')
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else:
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self.fail('IncompleteRead expected')
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finally:
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resp.close()
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def test_chunked_head(self):
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chunked_start = (
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'HTTP/1.1 200 OK\r\n'
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'Transfer-Encoding: chunked\r\n\r\n'
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'a\r\n'
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'hello world\r\n'
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'1\r\n'
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'd\r\n'
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)
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sock = FakeSocket(chunked_start + '0\r\n')
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resp = client.HTTPResponse(sock, method="HEAD")
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resp.begin()
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self.assertEquals(resp.read(), b'')
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self.assertEquals(resp.status, 200)
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self.assertEquals(resp.reason, 'OK')
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self.assertTrue(resp.isclosed())
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def test_negative_content_length(self):
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sock = FakeSocket(
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'HTTP/1.1 200 OK\r\nContent-Length: -1\r\n\r\nHello\r\n')
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resp = client.HTTPResponse(sock, method="GET")
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resp.begin()
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self.assertEquals(resp.read(), b'Hello\r\n')
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resp.close()
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def test_incomplete_read(self):
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sock = FakeSocket('HTTP/1.1 200 OK\r\nContent-Length: 10\r\n\r\nHello\r\n')
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resp = client.HTTPResponse(sock, method="GET")
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resp.begin()
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try:
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resp.read()
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except client.IncompleteRead as i:
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self.assertEquals(i.partial, b'Hello\r\n')
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self.assertEqual(repr(i),
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"IncompleteRead(7 bytes read, 3 more expected)")
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self.assertEqual(str(i),
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"IncompleteRead(7 bytes read, 3 more expected)")
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else:
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self.fail('IncompleteRead expected')
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finally:
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resp.close()
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def test_epipe(self):
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sock = EPipeSocket(
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"HTTP/1.0 401 Authorization Required\r\n"
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"Content-type: text/html\r\n"
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"WWW-Authenticate: Basic realm=\"example\"\r\n",
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b"Content-Length")
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conn = client.HTTPConnection("example.com")
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conn.sock = sock
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self.assertRaises(socket.error,
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lambda: conn.request("PUT", "/url", "body"))
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resp = conn.getresponse()
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self.assertEqual(401, resp.status)
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self.assertEqual("Basic realm=\"example\"",
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resp.getheader("www-authenticate"))
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class OfflineTest(TestCase):
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def test_responses(self):
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self.assertEquals(client.responses[client.NOT_FOUND], "Not Found")
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class SourceAddressTest(TestCase):
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def setUp(self):
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self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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self.port = support.bind_port(self.serv)
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self.source_port = support.find_unused_port()
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self.serv.listen(5)
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self.conn = None
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def tearDown(self):
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if self.conn:
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self.conn.close()
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self.conn = None
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self.serv.close()
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self.serv = None
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def testHTTPConnectionSourceAddress(self):
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self.conn = client.HTTPConnection(HOST, self.port,
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source_address=('', self.source_port))
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self.conn.connect()
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self.assertEqual(self.conn.sock.getsockname()[1], self.source_port)
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@unittest.skipIf(not hasattr(client, 'HTTPSConnection'),
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'http.client.HTTPSConnection not defined')
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def testHTTPSConnectionSourceAddress(self):
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self.conn = client.HTTPSConnection(HOST, self.port,
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source_address=('', self.source_port))
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# We don't test anything here other the constructor not barfing as
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# this code doesn't deal with setting up an active running SSL server
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# for an ssl_wrapped connect() to actually return from.
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class TimeoutTest(TestCase):
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PORT = None
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def setUp(self):
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self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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TimeoutTest.PORT = support.bind_port(self.serv)
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self.serv.listen(5)
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def tearDown(self):
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self.serv.close()
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self.serv = None
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def testTimeoutAttribute(self):
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# This will prove that the timeout gets through HTTPConnection
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# and into the socket.
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# default -- use global socket timeout
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self.assertTrue(socket.getdefaulttimeout() is None)
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socket.setdefaulttimeout(30)
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try:
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httpConn = client.HTTPConnection(HOST, TimeoutTest.PORT)
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httpConn.connect()
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finally:
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socket.setdefaulttimeout(None)
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self.assertEqual(httpConn.sock.gettimeout(), 30)
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httpConn.close()
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# no timeout -- do not use global socket default
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self.assertTrue(socket.getdefaulttimeout() is None)
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socket.setdefaulttimeout(30)
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try:
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httpConn = client.HTTPConnection(HOST, TimeoutTest.PORT,
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timeout=None)
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httpConn.connect()
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finally:
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socket.setdefaulttimeout(None)
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self.assertEqual(httpConn.sock.gettimeout(), None)
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httpConn.close()
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# a value
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httpConn = client.HTTPConnection(HOST, TimeoutTest.PORT, timeout=30)
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httpConn.connect()
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self.assertEqual(httpConn.sock.gettimeout(), 30)
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httpConn.close()
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class HTTPSTest(TestCase):
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def setUp(self):
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if not hasattr(client, 'HTTPSConnection'):
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self.skipTest('ssl support required')
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def make_server(self, certfile):
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from test.ssl_servers import make_https_server
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return make_https_server(self, certfile)
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def test_attributes(self):
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# simple test to check it's storing the timeout
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h = client.HTTPSConnection(HOST, TimeoutTest.PORT, timeout=30)
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self.assertEqual(h.timeout, 30)
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def _check_svn_python_org(self, resp):
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# Just a simple check that everything went fine
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server_string = resp.getheader('server')
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self.assertIn('Apache', server_string)
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def test_networked(self):
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# Default settings: no cert verification is done
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support.requires('network')
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with support.transient_internet('svn.python.org'):
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h = client.HTTPSConnection('svn.python.org', 443)
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h.request('GET', '/')
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resp = h.getresponse()
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self._check_svn_python_org(resp)
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def test_networked_good_cert(self):
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# We feed a CA cert that validates the server's cert
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import ssl
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support.requires('network')
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with support.transient_internet('svn.python.org'):
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context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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context.verify_mode = ssl.CERT_REQUIRED
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context.load_verify_locations(CACERT_svn_python_org)
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h = client.HTTPSConnection('svn.python.org', 443, context=context)
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h.request('GET', '/')
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resp = h.getresponse()
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self._check_svn_python_org(resp)
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def test_networked_bad_cert(self):
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# We feed a "CA" cert that is unrelated to the server's cert
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import ssl
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support.requires('network')
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with support.transient_internet('svn.python.org'):
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context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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context.verify_mode = ssl.CERT_REQUIRED
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context.load_verify_locations(CERT_localhost)
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h = client.HTTPSConnection('svn.python.org', 443, context=context)
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with self.assertRaises(ssl.SSLError):
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h.request('GET', '/')
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def test_local_good_hostname(self):
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# The (valid) cert validates the HTTP hostname
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import ssl
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from test.ssl_servers import make_https_server
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server = make_https_server(self, CERT_localhost)
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context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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context.verify_mode = ssl.CERT_REQUIRED
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context.load_verify_locations(CERT_localhost)
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h = client.HTTPSConnection('localhost', server.port, context=context)
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h.request('GET', '/nonexistent')
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resp = h.getresponse()
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self.assertEqual(resp.status, 404)
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def test_local_bad_hostname(self):
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# The (valid) cert doesn't validate the HTTP hostname
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import ssl
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from test.ssl_servers import make_https_server
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server = make_https_server(self, CERT_fakehostname)
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context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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context.verify_mode = ssl.CERT_REQUIRED
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context.load_verify_locations(CERT_fakehostname)
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h = client.HTTPSConnection('localhost', server.port, context=context)
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with self.assertRaises(ssl.CertificateError):
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h.request('GET', '/')
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# Same with explicit check_hostname=True
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h = client.HTTPSConnection('localhost', server.port, context=context,
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check_hostname=True)
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with self.assertRaises(ssl.CertificateError):
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h.request('GET', '/')
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# With check_hostname=False, the mismatching is ignored
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h = client.HTTPSConnection('localhost', server.port, context=context,
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check_hostname=False)
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h.request('GET', '/nonexistent')
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resp = h.getresponse()
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self.assertEqual(resp.status, 404)
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class RequestBodyTest(TestCase):
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"""Test cases where a request includes a message body."""
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def setUp(self):
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self.conn = client.HTTPConnection('example.com')
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self.conn.sock = self.sock = FakeSocket("")
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self.conn.sock = self.sock
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def get_headers_and_fp(self):
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f = io.BytesIO(self.sock.data)
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f.readline() # read the request line
|
|
message = client.parse_headers(f)
|
|
return message, f
|
|
|
|
def test_manual_content_length(self):
|
|
# Set an incorrect content-length so that we can verify that
|
|
# it will not be over-ridden by the library.
|
|
self.conn.request("PUT", "/url", "body",
|
|
{"Content-Length": "42"})
|
|
message, f = self.get_headers_and_fp()
|
|
self.assertEqual("42", message.get("content-length"))
|
|
self.assertEqual(4, len(f.read()))
|
|
|
|
def test_ascii_body(self):
|
|
self.conn.request("PUT", "/url", "body")
|
|
message, f = self.get_headers_and_fp()
|
|
self.assertEqual("text/plain", message.get_content_type())
|
|
self.assertEqual(None, message.get_charset())
|
|
self.assertEqual("4", message.get("content-length"))
|
|
self.assertEqual(b'body', f.read())
|
|
|
|
def test_latin1_body(self):
|
|
self.conn.request("PUT", "/url", "body\xc1")
|
|
message, f = self.get_headers_and_fp()
|
|
self.assertEqual("text/plain", message.get_content_type())
|
|
self.assertEqual(None, message.get_charset())
|
|
self.assertEqual("5", message.get("content-length"))
|
|
self.assertEqual(b'body\xc1', f.read())
|
|
|
|
def test_bytes_body(self):
|
|
self.conn.request("PUT", "/url", b"body\xc1")
|
|
message, f = self.get_headers_and_fp()
|
|
self.assertEqual("text/plain", message.get_content_type())
|
|
self.assertEqual(None, message.get_charset())
|
|
self.assertEqual("5", message.get("content-length"))
|
|
self.assertEqual(b'body\xc1', f.read())
|
|
|
|
def test_file_body(self):
|
|
f = open(support.TESTFN, "w")
|
|
f.write("body")
|
|
f.close()
|
|
f = open(support.TESTFN)
|
|
self.conn.request("PUT", "/url", f)
|
|
message, f = self.get_headers_and_fp()
|
|
self.assertEqual("text/plain", message.get_content_type())
|
|
self.assertEqual(None, message.get_charset())
|
|
self.assertEqual("4", message.get("content-length"))
|
|
self.assertEqual(b'body', f.read())
|
|
|
|
def test_binary_file_body(self):
|
|
f = open(support.TESTFN, "wb")
|
|
f.write(b"body\xc1")
|
|
f.close()
|
|
f = open(support.TESTFN, "rb")
|
|
self.conn.request("PUT", "/url", f)
|
|
message, f = self.get_headers_and_fp()
|
|
self.assertEqual("text/plain", message.get_content_type())
|
|
self.assertEqual(None, message.get_charset())
|
|
self.assertEqual("5", message.get("content-length"))
|
|
self.assertEqual(b'body\xc1', f.read())
|
|
|
|
|
|
class HTTPResponseTest(TestCase):
|
|
|
|
def setUp(self):
|
|
body = "HTTP/1.1 200 Ok\r\nMy-Header: first-value\r\nMy-Header: \
|
|
second-value\r\n\r\nText"
|
|
sock = FakeSocket(body)
|
|
self.resp = client.HTTPResponse(sock)
|
|
self.resp.begin()
|
|
|
|
def test_getting_header(self):
|
|
header = self.resp.getheader('My-Header')
|
|
self.assertEqual(header, 'first-value, second-value')
|
|
|
|
header = self.resp.getheader('My-Header', 'some default')
|
|
self.assertEqual(header, 'first-value, second-value')
|
|
|
|
def test_getting_nonexistent_header_with_string_default(self):
|
|
header = self.resp.getheader('No-Such-Header', 'default-value')
|
|
self.assertEqual(header, 'default-value')
|
|
|
|
def test_getting_nonexistent_header_with_iterable_default(self):
|
|
header = self.resp.getheader('No-Such-Header', ['default', 'values'])
|
|
self.assertEqual(header, 'default, values')
|
|
|
|
header = self.resp.getheader('No-Such-Header', ('default', 'values'))
|
|
self.assertEqual(header, 'default, values')
|
|
|
|
def test_getting_nonexistent_header_without_default(self):
|
|
header = self.resp.getheader('No-Such-Header')
|
|
self.assertEqual(header, None)
|
|
|
|
def test_getting_header_defaultint(self):
|
|
header = self.resp.getheader('No-Such-Header',default=42)
|
|
self.assertEqual(header, 42)
|
|
|
|
def test_main(verbose=None):
|
|
support.run_unittest(HeaderTests, OfflineTest, BasicTest, TimeoutTest,
|
|
HTTPSTest, RequestBodyTest, SourceAddressTest,
|
|
HTTPResponseTest)
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|