cpython/Lib/test/test_httplib.py

993 lines
38 KiB
Python

import httplib
import itertools
import array
import StringIO
import socket
import errno
import os
import tempfile
import unittest
TestCase = unittest.TestCase
from test import test_support
here = os.path.dirname(__file__)
# Self-signed cert file for 'localhost'
CERT_localhost = os.path.join(here, 'keycert.pem')
# Self-signed cert file for 'fakehostname'
CERT_fakehostname = os.path.join(here, 'keycert2.pem')
# Self-signed cert file for self-signed.pythontest.net
CERT_selfsigned_pythontestdotnet = os.path.join(here, 'selfsigned_pythontestdotnet.pem')
HOST = test_support.HOST
class FakeSocket:
def __init__(self, text, fileclass=StringIO.StringIO, host=None, port=None):
self.text = text
self.fileclass = fileclass
self.data = ''
self.file_closed = False
self.host = host
self.port = port
def sendall(self, data):
self.data += ''.join(data)
def makefile(self, mode, bufsize=None):
if mode != 'r' and mode != 'rb':
raise httplib.UnimplementedFileMode()
# keep the file around so we can check how much was read from it
self.file = self.fileclass(self.text)
self.file.close = self.file_close #nerf close ()
return self.file
def file_close(self):
self.file_closed = True
def close(self):
pass
class EPipeSocket(FakeSocket):
def __init__(self, text, pipe_trigger):
# When sendall() is called with pipe_trigger, raise EPIPE.
FakeSocket.__init__(self, text)
self.pipe_trigger = pipe_trigger
def sendall(self, data):
if self.pipe_trigger in data:
raise socket.error(errno.EPIPE, "gotcha")
self.data += data
def close(self):
pass
class NoEOFStringIO(StringIO.StringIO):
"""Like StringIO, but raises AssertionError on EOF.
This is used below to test that httplib doesn't try to read
more from the underlying file than it should.
"""
def read(self, n=-1):
data = StringIO.StringIO.read(self, n)
if data == '':
raise AssertionError('caller tried to read past EOF')
return data
def readline(self, length=None):
data = StringIO.StringIO.readline(self, length)
if data == '':
raise AssertionError('caller tried to read past EOF')
return data
class HeaderTests(TestCase):
def test_auto_headers(self):
# Some headers are added automatically, but should not be added by
# .request() if they are explicitly set.
class HeaderCountingBuffer(list):
def __init__(self):
self.count = {}
def append(self, item):
kv = item.split(':')
if len(kv) > 1:
# item is a 'Key: Value' header string
lcKey = kv[0].lower()
self.count.setdefault(lcKey, 0)
self.count[lcKey] += 1
list.append(self, item)
for explicit_header in True, False:
for header in 'Content-length', 'Host', 'Accept-encoding':
conn = httplib.HTTPConnection('example.com')
conn.sock = FakeSocket('blahblahblah')
conn._buffer = HeaderCountingBuffer()
body = 'spamspamspam'
headers = {}
if explicit_header:
headers[header] = str(len(body))
conn.request('POST', '/', body, headers)
self.assertEqual(conn._buffer.count[header.lower()], 1)
def test_content_length_0(self):
class ContentLengthChecker(list):
def __init__(self):
list.__init__(self)
self.content_length = None
def append(self, item):
kv = item.split(':', 1)
if len(kv) > 1 and kv[0].lower() == 'content-length':
self.content_length = kv[1].strip()
list.append(self, item)
# Here, we're testing that methods expecting a body get a
# content-length set to zero if the body is empty (either None or '')
bodies = (None, '')
methods_with_body = ('PUT', 'POST', 'PATCH')
for method, body in itertools.product(methods_with_body, bodies):
conn = httplib.HTTPConnection('example.com')
conn.sock = FakeSocket(None)
conn._buffer = ContentLengthChecker()
conn.request(method, '/', body)
self.assertEqual(
conn._buffer.content_length, '0',
'Header Content-Length incorrect on {}'.format(method)
)
# For these methods, we make sure that content-length is not set when
# the body is None because it might cause unexpected behaviour on the
# server.
methods_without_body = (
'GET', 'CONNECT', 'DELETE', 'HEAD', 'OPTIONS', 'TRACE',
)
for method in methods_without_body:
conn = httplib.HTTPConnection('example.com')
conn.sock = FakeSocket(None)
conn._buffer = ContentLengthChecker()
conn.request(method, '/', None)
self.assertEqual(
conn._buffer.content_length, None,
'Header Content-Length set for empty body on {}'.format(method)
)
# If the body is set to '', that's considered to be "present but
# empty" rather than "missing", so content length would be set, even
# for methods that don't expect a body.
for method in methods_without_body:
conn = httplib.HTTPConnection('example.com')
conn.sock = FakeSocket(None)
conn._buffer = ContentLengthChecker()
conn.request(method, '/', '')
self.assertEqual(
conn._buffer.content_length, '0',
'Header Content-Length incorrect on {}'.format(method)
)
# If the body is set, make sure Content-Length is set.
for method in itertools.chain(methods_without_body, methods_with_body):
conn = httplib.HTTPConnection('example.com')
conn.sock = FakeSocket(None)
conn._buffer = ContentLengthChecker()
conn.request(method, '/', ' ')
self.assertEqual(
conn._buffer.content_length, '1',
'Header Content-Length incorrect on {}'.format(method)
)
def test_putheader(self):
conn = httplib.HTTPConnection('example.com')
conn.sock = FakeSocket(None)
conn.putrequest('GET','/')
conn.putheader('Content-length',42)
self.assertIn('Content-length: 42', conn._buffer)
conn.putheader('Foo', ' bar ')
self.assertIn(b'Foo: bar ', conn._buffer)
conn.putheader('Bar', '\tbaz\t')
self.assertIn(b'Bar: \tbaz\t', conn._buffer)
conn.putheader('Authorization', 'Bearer mytoken')
self.assertIn(b'Authorization: Bearer mytoken', conn._buffer)
conn.putheader('IterHeader', 'IterA', 'IterB')
self.assertIn(b'IterHeader: IterA\r\n\tIterB', conn._buffer)
conn.putheader('LatinHeader', b'\xFF')
self.assertIn(b'LatinHeader: \xFF', conn._buffer)
conn.putheader('Utf8Header', b'\xc3\x80')
self.assertIn(b'Utf8Header: \xc3\x80', conn._buffer)
conn.putheader('C1-Control', b'next\x85line')
self.assertIn(b'C1-Control: next\x85line', conn._buffer)
conn.putheader('Embedded-Fold-Space', 'is\r\n allowed')
self.assertIn(b'Embedded-Fold-Space: is\r\n allowed', conn._buffer)
conn.putheader('Embedded-Fold-Tab', 'is\r\n\tallowed')
self.assertIn(b'Embedded-Fold-Tab: is\r\n\tallowed', conn._buffer)
conn.putheader('Key Space', 'value')
self.assertIn(b'Key Space: value', conn._buffer)
conn.putheader('KeySpace ', 'value')
self.assertIn(b'KeySpace : value', conn._buffer)
conn.putheader(b'Nonbreak\xa0Space', 'value')
self.assertIn(b'Nonbreak\xa0Space: value', conn._buffer)
conn.putheader(b'\xa0NonbreakSpace', 'value')
self.assertIn(b'\xa0NonbreakSpace: value', conn._buffer)
def test_ipv6host_header(self):
# Default host header on IPv6 transaction should be wrapped by [] if
# it is an IPv6 address
expected = 'GET /foo HTTP/1.1\r\nHost: [2001::]:81\r\n' \
'Accept-Encoding: identity\r\n\r\n'
conn = httplib.HTTPConnection('[2001::]:81')
sock = FakeSocket('')
conn.sock = sock
conn.request('GET', '/foo')
self.assertTrue(sock.data.startswith(expected))
expected = 'GET /foo HTTP/1.1\r\nHost: [2001:102A::]\r\n' \
'Accept-Encoding: identity\r\n\r\n'
conn = httplib.HTTPConnection('[2001:102A::]')
sock = FakeSocket('')
conn.sock = sock
conn.request('GET', '/foo')
self.assertTrue(sock.data.startswith(expected))
def test_malformed_headers_coped_with(self):
# Issue 19996
body = "HTTP/1.1 200 OK\r\nFirst: val\r\n: nval\r\nSecond: val\r\n\r\n"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.getheader('First'), 'val')
self.assertEqual(resp.getheader('Second'), 'val')
def test_malformed_truncation(self):
# Other malformed header lines, especially without colons, used to
# cause the rest of the header section to be truncated
resp = (
b'HTTP/1.1 200 OK\r\n'
b'Public-Key-Pins: \n'
b'pin-sha256="xxx=";\n'
b'report-uri="https://..."\r\n'
b'Transfer-Encoding: chunked\r\n'
b'\r\n'
b'4\r\nbody\r\n0\r\n\r\n'
)
resp = httplib.HTTPResponse(FakeSocket(resp))
resp.begin()
self.assertIsNotNone(resp.getheader('Public-Key-Pins'))
self.assertEqual(resp.getheader('Transfer-Encoding'), 'chunked')
self.assertEqual(resp.read(), b'body')
def test_blank_line_forms(self):
# Test that both CRLF and LF blank lines can terminate the header
# section and start the body
for blank in (b'\r\n', b'\n'):
resp = b'HTTP/1.1 200 OK\r\n' b'Transfer-Encoding: chunked\r\n'
resp += blank
resp += b'4\r\nbody\r\n0\r\n\r\n'
resp = httplib.HTTPResponse(FakeSocket(resp))
resp.begin()
self.assertEqual(resp.getheader('Transfer-Encoding'), 'chunked')
self.assertEqual(resp.read(), b'body')
resp = b'HTTP/1.0 200 OK\r\n' + blank + b'body'
resp = httplib.HTTPResponse(FakeSocket(resp))
resp.begin()
self.assertEqual(resp.read(), b'body')
# A blank line ending in CR is not treated as the end of the HTTP
# header section, therefore header fields following it should be
# parsed if possible
resp = (
b'HTTP/1.1 200 OK\r\n'
b'\r'
b'Name: value\r\n'
b'Transfer-Encoding: chunked\r\n'
b'\r\n'
b'4\r\nbody\r\n0\r\n\r\n'
)
resp = httplib.HTTPResponse(FakeSocket(resp))
resp.begin()
self.assertEqual(resp.getheader('Transfer-Encoding'), 'chunked')
self.assertEqual(resp.read(), b'body')
# No header fields nor blank line
resp = b'HTTP/1.0 200 OK\r\n'
resp = httplib.HTTPResponse(FakeSocket(resp))
resp.begin()
self.assertEqual(resp.read(), b'')
def test_from_line(self):
# The parser handles "From" lines specially, so test this does not
# affect parsing the rest of the header section
resp = (
b'HTTP/1.1 200 OK\r\n'
b'From start\r\n'
b' continued\r\n'
b'Name: value\r\n'
b'From middle\r\n'
b' continued\r\n'
b'Transfer-Encoding: chunked\r\n'
b'From end\r\n'
b'\r\n'
b'4\r\nbody\r\n0\r\n\r\n'
)
resp = httplib.HTTPResponse(FakeSocket(resp))
resp.begin()
self.assertIsNotNone(resp.getheader('Name'))
self.assertEqual(resp.getheader('Transfer-Encoding'), 'chunked')
self.assertEqual(resp.read(), b'body')
resp = (
b'HTTP/1.0 200 OK\r\n'
b'From alone\r\n'
b'\r\n'
b'body'
)
resp = httplib.HTTPResponse(FakeSocket(resp))
resp.begin()
self.assertEqual(resp.read(), b'body')
def test_parse_all_octets(self):
# Ensure no valid header field octet breaks the parser
body = (
b'HTTP/1.1 200 OK\r\n'
b"!#$%&'*+-.^_`|~: value\r\n" # Special token characters
b'VCHAR: ' + bytearray(range(0x21, 0x7E + 1)) + b'\r\n'
b'obs-text: ' + bytearray(range(0x80, 0xFF + 1)) + b'\r\n'
b'obs-fold: text\r\n'
b' folded with space\r\n'
b'\tfolded with tab\r\n'
b'Content-Length: 0\r\n'
b'\r\n'
)
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.getheader('Content-Length'), '0')
self.assertEqual(resp.getheader("!#$%&'*+-.^_`|~"), 'value')
vchar = ''.join(map(chr, range(0x21, 0x7E + 1)))
self.assertEqual(resp.getheader('VCHAR'), vchar)
self.assertIsNotNone(resp.getheader('obs-text'))
folded = resp.getheader('obs-fold')
self.assertTrue(folded.startswith('text'))
self.assertIn(' folded with space', folded)
self.assertTrue(folded.endswith('folded with tab'))
def test_invalid_headers(self):
conn = httplib.HTTPConnection('example.com')
conn.sock = FakeSocket('')
conn.putrequest('GET', '/')
# http://tools.ietf.org/html/rfc7230#section-3.2.4, whitespace is no
# longer allowed in header names
cases = (
(b'Invalid\r\nName', b'ValidValue'),
(b'Invalid\rName', b'ValidValue'),
(b'Invalid\nName', b'ValidValue'),
(b'\r\nInvalidName', b'ValidValue'),
(b'\rInvalidName', b'ValidValue'),
(b'\nInvalidName', b'ValidValue'),
(b' InvalidName', b'ValidValue'),
(b'\tInvalidName', b'ValidValue'),
(b'Invalid:Name', b'ValidValue'),
(b':InvalidName', b'ValidValue'),
(b'ValidName', b'Invalid\r\nValue'),
(b'ValidName', b'Invalid\rValue'),
(b'ValidName', b'Invalid\nValue'),
(b'ValidName', b'InvalidValue\r\n'),
(b'ValidName', b'InvalidValue\r'),
(b'ValidName', b'InvalidValue\n'),
)
for name, value in cases:
with self.assertRaisesRegexp(ValueError, 'Invalid header'):
conn.putheader(name, value)
class BasicTest(TestCase):
def test_status_lines(self):
# Test HTTP status lines
body = "HTTP/1.1 200 Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.read(0), '') # Issue #20007
self.assertFalse(resp.isclosed())
self.assertEqual(resp.read(), 'Text')
self.assertTrue(resp.isclosed())
body = "HTTP/1.1 400.100 Not Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
self.assertRaises(httplib.BadStatusLine, resp.begin)
def test_bad_status_repr(self):
exc = httplib.BadStatusLine('')
self.assertEqual(repr(exc), '''BadStatusLine("\'\'",)''')
def test_partial_reads(self):
# if we have a length, the system knows when to close itself
# same behaviour than when we read the whole thing with read()
body = "HTTP/1.1 200 Ok\r\nContent-Length: 4\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.read(2), 'Te')
self.assertFalse(resp.isclosed())
self.assertEqual(resp.read(2), 'xt')
self.assertTrue(resp.isclosed())
def test_partial_reads_no_content_length(self):
# when no length is present, the socket should be gracefully closed when
# all data was read
body = "HTTP/1.1 200 Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.read(2), 'Te')
self.assertFalse(resp.isclosed())
self.assertEqual(resp.read(2), 'xt')
self.assertEqual(resp.read(1), '')
self.assertTrue(resp.isclosed())
def test_partial_reads_incomplete_body(self):
# if the server shuts down the connection before the whole
# content-length is delivered, the socket is gracefully closed
body = "HTTP/1.1 200 Ok\r\nContent-Length: 10\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.read(2), 'Te')
self.assertFalse(resp.isclosed())
self.assertEqual(resp.read(2), 'xt')
self.assertEqual(resp.read(1), '')
self.assertTrue(resp.isclosed())
def test_host_port(self):
# Check invalid host_port
# Note that httplib does not accept user:password@ in the host-port.
for hp in ("www.python.org:abc", "user:password@www.python.org"):
self.assertRaises(httplib.InvalidURL, httplib.HTTP, hp)
for hp, h, p in (("[fe80::207:e9ff:fe9b]:8000", "fe80::207:e9ff:fe9b",
8000),
("www.python.org:80", "www.python.org", 80),
("www.python.org", "www.python.org", 80),
("www.python.org:", "www.python.org", 80),
("[fe80::207:e9ff:fe9b]", "fe80::207:e9ff:fe9b", 80)):
http = httplib.HTTP(hp)
c = http._conn
if h != c.host:
self.fail("Host incorrectly parsed: %s != %s" % (h, c.host))
if p != c.port:
self.fail("Port incorrectly parsed: %s != %s" % (p, c.host))
def test_response_headers(self):
# test response with multiple message headers with the same field name.
text = ('HTTP/1.1 200 OK\r\n'
'Set-Cookie: Customer="WILE_E_COYOTE";'
' Version="1"; Path="/acme"\r\n'
'Set-Cookie: Part_Number="Rocket_Launcher_0001"; Version="1";'
' Path="/acme"\r\n'
'\r\n'
'No body\r\n')
hdr = ('Customer="WILE_E_COYOTE"; Version="1"; Path="/acme"'
', '
'Part_Number="Rocket_Launcher_0001"; Version="1"; Path="/acme"')
s = FakeSocket(text)
r = httplib.HTTPResponse(s)
r.begin()
cookies = r.getheader("Set-Cookie")
if cookies != hdr:
self.fail("multiple headers not combined properly")
def test_read_head(self):
# Test that the library doesn't attempt to read any data
# from a HEAD request. (Tickles SF bug #622042.)
sock = FakeSocket(
'HTTP/1.1 200 OK\r\n'
'Content-Length: 14432\r\n'
'\r\n',
NoEOFStringIO)
resp = httplib.HTTPResponse(sock, method="HEAD")
resp.begin()
if resp.read() != "":
self.fail("Did not expect response from HEAD request")
def test_too_many_headers(self):
headers = '\r\n'.join('Header%d: foo' % i for i in xrange(200)) + '\r\n'
text = ('HTTP/1.1 200 OK\r\n' + headers)
s = FakeSocket(text)
r = httplib.HTTPResponse(s)
self.assertRaises(httplib.HTTPException, r.begin)
def test_send_file(self):
expected = 'GET /foo HTTP/1.1\r\nHost: example.com\r\n' \
'Accept-Encoding: identity\r\nContent-Length:'
body = open(__file__, 'rb')
conn = httplib.HTTPConnection('example.com')
sock = FakeSocket(body)
conn.sock = sock
conn.request('GET', '/foo', body)
self.assertTrue(sock.data.startswith(expected))
self.assertIn('def test_send_file', sock.data)
def test_send_tempfile(self):
expected = ('GET /foo HTTP/1.1\r\nHost: example.com\r\n'
'Accept-Encoding: identity\r\nContent-Length: 9\r\n\r\n'
'fake\ndata')
with tempfile.TemporaryFile() as body:
body.write('fake\ndata')
body.seek(0)
conn = httplib.HTTPConnection('example.com')
sock = FakeSocket(body)
conn.sock = sock
conn.request('GET', '/foo', body)
self.assertEqual(sock.data, expected)
def test_send(self):
expected = 'this is a test this is only a test'
conn = httplib.HTTPConnection('example.com')
sock = FakeSocket(None)
conn.sock = sock
conn.send(expected)
self.assertEqual(expected, sock.data)
sock.data = ''
conn.send(array.array('c', expected))
self.assertEqual(expected, sock.data)
sock.data = ''
conn.send(StringIO.StringIO(expected))
self.assertEqual(expected, sock.data)
def test_chunked(self):
chunked_start = (
'HTTP/1.1 200 OK\r\n'
'Transfer-Encoding: chunked\r\n\r\n'
'a\r\n'
'hello worl\r\n'
'1\r\n'
'd\r\n'
)
sock = FakeSocket(chunked_start + '0\r\n')
resp = httplib.HTTPResponse(sock, method="GET")
resp.begin()
self.assertEqual(resp.read(), 'hello world')
resp.close()
for x in ('', 'foo\r\n'):
sock = FakeSocket(chunked_start + x)
resp = httplib.HTTPResponse(sock, method="GET")
resp.begin()
try:
resp.read()
except httplib.IncompleteRead, i:
self.assertEqual(i.partial, 'hello world')
self.assertEqual(repr(i),'IncompleteRead(11 bytes read)')
self.assertEqual(str(i),'IncompleteRead(11 bytes read)')
else:
self.fail('IncompleteRead expected')
finally:
resp.close()
def test_chunked_head(self):
chunked_start = (
'HTTP/1.1 200 OK\r\n'
'Transfer-Encoding: chunked\r\n\r\n'
'a\r\n'
'hello world\r\n'
'1\r\n'
'd\r\n'
)
sock = FakeSocket(chunked_start + '0\r\n')
resp = httplib.HTTPResponse(sock, method="HEAD")
resp.begin()
self.assertEqual(resp.read(), '')
self.assertEqual(resp.status, 200)
self.assertEqual(resp.reason, 'OK')
self.assertTrue(resp.isclosed())
def test_negative_content_length(self):
sock = FakeSocket('HTTP/1.1 200 OK\r\n'
'Content-Length: -1\r\n\r\nHello\r\n')
resp = httplib.HTTPResponse(sock, method="GET")
resp.begin()
self.assertEqual(resp.read(), 'Hello\r\n')
self.assertTrue(resp.isclosed())
def test_incomplete_read(self):
sock = FakeSocket('HTTP/1.1 200 OK\r\nContent-Length: 10\r\n\r\nHello\r\n')
resp = httplib.HTTPResponse(sock, method="GET")
resp.begin()
try:
resp.read()
except httplib.IncompleteRead as i:
self.assertEqual(i.partial, 'Hello\r\n')
self.assertEqual(repr(i),
"IncompleteRead(7 bytes read, 3 more expected)")
self.assertEqual(str(i),
"IncompleteRead(7 bytes read, 3 more expected)")
self.assertTrue(resp.isclosed())
else:
self.fail('IncompleteRead expected')
def test_epipe(self):
sock = EPipeSocket(
"HTTP/1.0 401 Authorization Required\r\n"
"Content-type: text/html\r\n"
"WWW-Authenticate: Basic realm=\"example\"\r\n",
b"Content-Length")
conn = httplib.HTTPConnection("example.com")
conn.sock = sock
self.assertRaises(socket.error,
lambda: conn.request("PUT", "/url", "body"))
resp = conn.getresponse()
self.assertEqual(401, resp.status)
self.assertEqual("Basic realm=\"example\"",
resp.getheader("www-authenticate"))
def test_filenoattr(self):
# Just test the fileno attribute in the HTTPResponse Object.
body = "HTTP/1.1 200 Ok\r\n\r\nText"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
self.assertTrue(hasattr(resp,'fileno'),
'HTTPResponse should expose a fileno attribute')
# Test lines overflowing the max line size (_MAXLINE in httplib)
def test_overflowing_status_line(self):
self.skipTest("disabled for HTTP 0.9 support")
body = "HTTP/1.1 200 Ok" + "k" * 65536 + "\r\n"
resp = httplib.HTTPResponse(FakeSocket(body))
self.assertRaises((httplib.LineTooLong, httplib.BadStatusLine), resp.begin)
def test_overflowing_header_line(self):
body = (
'HTTP/1.1 200 OK\r\n'
'X-Foo: bar' + 'r' * 65536 + '\r\n\r\n'
)
resp = httplib.HTTPResponse(FakeSocket(body))
self.assertRaises(httplib.LineTooLong, resp.begin)
def test_overflowing_chunked_line(self):
body = (
'HTTP/1.1 200 OK\r\n'
'Transfer-Encoding: chunked\r\n\r\n'
+ '0' * 65536 + 'a\r\n'
'hello world\r\n'
'0\r\n'
)
resp = httplib.HTTPResponse(FakeSocket(body))
resp.begin()
self.assertRaises(httplib.LineTooLong, resp.read)
def test_early_eof(self):
# Test httpresponse with no \r\n termination,
body = "HTTP/1.1 200 Ok"
sock = FakeSocket(body)
resp = httplib.HTTPResponse(sock)
resp.begin()
self.assertEqual(resp.read(), '')
self.assertTrue(resp.isclosed())
def test_error_leak(self):
# Test that the socket is not leaked if getresponse() fails
conn = httplib.HTTPConnection('example.com')
response = []
class Response(httplib.HTTPResponse):
def __init__(self, *pos, **kw):
response.append(self) # Avoid garbage collector closing the socket
httplib.HTTPResponse.__init__(self, *pos, **kw)
conn.response_class = Response
conn.sock = FakeSocket('') # Emulate server dropping connection
conn.request('GET', '/')
self.assertRaises(httplib.BadStatusLine, conn.getresponse)
self.assertTrue(response)
#self.assertTrue(response[0].closed)
self.assertTrue(conn.sock.file_closed)
def test_proxy_tunnel_without_status_line(self):
# Issue 17849: If a proxy tunnel is created that does not return
# a status code, fail.
body = 'hello world'
conn = httplib.HTTPConnection('example.com', strict=False)
conn.set_tunnel('foo')
conn.sock = FakeSocket(body)
with self.assertRaisesRegexp(socket.error, "Invalid response"):
conn._tunnel()
class OfflineTest(TestCase):
def test_responses(self):
self.assertEqual(httplib.responses[httplib.NOT_FOUND], "Not Found")
class TestServerMixin:
"""A limited socket server mixin.
This is used by test cases for testing http connection end points.
"""
def setUp(self):
self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.port = test_support.bind_port(self.serv)
self.source_port = test_support.find_unused_port()
self.serv.listen(5)
self.conn = None
def tearDown(self):
if self.conn:
self.conn.close()
self.conn = None
self.serv.close()
self.serv = None
class SourceAddressTest(TestServerMixin, TestCase):
def testHTTPConnectionSourceAddress(self):
self.conn = httplib.HTTPConnection(HOST, self.port,
source_address=('', self.source_port))
self.conn.connect()
self.assertEqual(self.conn.sock.getsockname()[1], self.source_port)
@unittest.skipIf(not hasattr(httplib, 'HTTPSConnection'),
'httplib.HTTPSConnection not defined')
def testHTTPSConnectionSourceAddress(self):
self.conn = httplib.HTTPSConnection(HOST, self.port,
source_address=('', self.source_port))
# We don't test anything here other than the constructor not barfing as
# this code doesn't deal with setting up an active running SSL server
# for an ssl_wrapped connect() to actually return from.
class HTTPTest(TestServerMixin, TestCase):
def testHTTPConnection(self):
self.conn = httplib.HTTP(host=HOST, port=self.port, strict=None)
self.conn.connect()
self.assertEqual(self.conn._conn.host, HOST)
self.assertEqual(self.conn._conn.port, self.port)
def testHTTPWithConnectHostPort(self):
testhost = 'unreachable.test.domain'
testport = '80'
self.conn = httplib.HTTP(host=testhost, port=testport)
self.conn.connect(host=HOST, port=self.port)
self.assertNotEqual(self.conn._conn.host, testhost)
self.assertNotEqual(self.conn._conn.port, testport)
self.assertEqual(self.conn._conn.host, HOST)
self.assertEqual(self.conn._conn.port, self.port)
class TimeoutTest(TestCase):
PORT = None
def setUp(self):
self.serv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
TimeoutTest.PORT = test_support.bind_port(self.serv)
self.serv.listen(5)
def tearDown(self):
self.serv.close()
self.serv = None
def testTimeoutAttribute(self):
'''This will prove that the timeout gets through
HTTPConnection and into the socket.
'''
# default -- use global socket timeout
self.assertIsNone(socket.getdefaulttimeout())
socket.setdefaulttimeout(30)
try:
httpConn = httplib.HTTPConnection(HOST, TimeoutTest.PORT)
httpConn.connect()
finally:
socket.setdefaulttimeout(None)
self.assertEqual(httpConn.sock.gettimeout(), 30)
httpConn.close()
# no timeout -- do not use global socket default
self.assertIsNone(socket.getdefaulttimeout())
socket.setdefaulttimeout(30)
try:
httpConn = httplib.HTTPConnection(HOST, TimeoutTest.PORT,
timeout=None)
httpConn.connect()
finally:
socket.setdefaulttimeout(None)
self.assertEqual(httpConn.sock.gettimeout(), None)
httpConn.close()
# a value
httpConn = httplib.HTTPConnection(HOST, TimeoutTest.PORT, timeout=30)
httpConn.connect()
self.assertEqual(httpConn.sock.gettimeout(), 30)
httpConn.close()
class HTTPSTest(TestCase):
def setUp(self):
if not hasattr(httplib, 'HTTPSConnection'):
self.skipTest('ssl support required')
def make_server(self, certfile):
from test.ssl_servers import make_https_server
return make_https_server(self, certfile=certfile)
def test_attributes(self):
# simple test to check it's storing the timeout
h = httplib.HTTPSConnection(HOST, TimeoutTest.PORT, timeout=30)
self.assertEqual(h.timeout, 30)
def test_networked(self):
# Default settings: requires a valid cert from a trusted CA
import ssl
test_support.requires('network')
with test_support.transient_internet('self-signed.pythontest.net'):
h = httplib.HTTPSConnection('self-signed.pythontest.net', 443)
with self.assertRaises(ssl.SSLError) as exc_info:
h.request('GET', '/')
self.assertEqual(exc_info.exception.reason, 'CERTIFICATE_VERIFY_FAILED')
def test_networked_noverification(self):
# Switch off cert verification
import ssl
test_support.requires('network')
with test_support.transient_internet('self-signed.pythontest.net'):
context = ssl._create_stdlib_context()
h = httplib.HTTPSConnection('self-signed.pythontest.net', 443,
context=context)
h.request('GET', '/')
resp = h.getresponse()
self.assertIn('nginx', resp.getheader('server'))
@test_support.system_must_validate_cert
def test_networked_trusted_by_default_cert(self):
# Default settings: requires a valid cert from a trusted CA
test_support.requires('network')
with test_support.transient_internet('www.python.org'):
h = httplib.HTTPSConnection('www.python.org', 443)
h.request('GET', '/')
resp = h.getresponse()
content_type = resp.getheader('content-type')
self.assertIn('text/html', content_type)
def test_networked_good_cert(self):
# We feed the server's cert as a validating cert
import ssl
test_support.requires('network')
with test_support.transient_internet('self-signed.pythontest.net'):
context = ssl.SSLContext(ssl.PROTOCOL_TLS)
context.verify_mode = ssl.CERT_REQUIRED
context.load_verify_locations(CERT_selfsigned_pythontestdotnet)
h = httplib.HTTPSConnection('self-signed.pythontest.net', 443, context=context)
h.request('GET', '/')
resp = h.getresponse()
server_string = resp.getheader('server')
self.assertIn('nginx', server_string)
def test_networked_bad_cert(self):
# We feed a "CA" cert that is unrelated to the server's cert
import ssl
test_support.requires('network')
with test_support.transient_internet('self-signed.pythontest.net'):
context = ssl.SSLContext(ssl.PROTOCOL_TLS)
context.verify_mode = ssl.CERT_REQUIRED
context.load_verify_locations(CERT_localhost)
h = httplib.HTTPSConnection('self-signed.pythontest.net', 443, context=context)
with self.assertRaises(ssl.SSLError) as exc_info:
h.request('GET', '/')
self.assertEqual(exc_info.exception.reason, 'CERTIFICATE_VERIFY_FAILED')
def test_local_unknown_cert(self):
# The custom cert isn't known to the default trust bundle
import ssl
server = self.make_server(CERT_localhost)
h = httplib.HTTPSConnection('localhost', server.port)
with self.assertRaises(ssl.SSLError) as exc_info:
h.request('GET', '/')
self.assertEqual(exc_info.exception.reason, 'CERTIFICATE_VERIFY_FAILED')
def test_local_good_hostname(self):
# The (valid) cert validates the HTTP hostname
import ssl
server = self.make_server(CERT_localhost)
context = ssl.SSLContext(ssl.PROTOCOL_TLS)
context.verify_mode = ssl.CERT_REQUIRED
context.load_verify_locations(CERT_localhost)
h = httplib.HTTPSConnection('localhost', server.port, context=context)
h.request('GET', '/nonexistent')
resp = h.getresponse()
self.assertEqual(resp.status, 404)
def test_local_bad_hostname(self):
# The (valid) cert doesn't validate the HTTP hostname
import ssl
server = self.make_server(CERT_fakehostname)
context = ssl.SSLContext(ssl.PROTOCOL_TLS)
context.verify_mode = ssl.CERT_REQUIRED
context.check_hostname = True
context.load_verify_locations(CERT_fakehostname)
h = httplib.HTTPSConnection('localhost', server.port, context=context)
with self.assertRaises(ssl.CertificateError):
h.request('GET', '/')
h.close()
# With context.check_hostname=False, the mismatching is ignored
context.check_hostname = False
h = httplib.HTTPSConnection('localhost', server.port, context=context)
h.request('GET', '/nonexistent')
resp = h.getresponse()
self.assertEqual(resp.status, 404)
def test_host_port(self):
# Check invalid host_port
for hp in ("www.python.org:abc", "user:password@www.python.org"):
self.assertRaises(httplib.InvalidURL, httplib.HTTPSConnection, hp)
for hp, h, p in (("[fe80::207:e9ff:fe9b]:8000",
"fe80::207:e9ff:fe9b", 8000),
("www.python.org:443", "www.python.org", 443),
("www.python.org:", "www.python.org", 443),
("www.python.org", "www.python.org", 443),
("[fe80::207:e9ff:fe9b]", "fe80::207:e9ff:fe9b", 443),
("[fe80::207:e9ff:fe9b]:", "fe80::207:e9ff:fe9b",
443)):
c = httplib.HTTPSConnection(hp)
self.assertEqual(h, c.host)
self.assertEqual(p, c.port)
class TunnelTests(TestCase):
def test_connect(self):
response_text = (
'HTTP/1.0 200 OK\r\n\r\n' # Reply to CONNECT
'HTTP/1.1 200 OK\r\n' # Reply to HEAD
'Content-Length: 42\r\n\r\n'
)
def create_connection(address, timeout=None, source_address=None):
return FakeSocket(response_text, host=address[0], port=address[1])
conn = httplib.HTTPConnection('proxy.com')
conn._create_connection = create_connection
# Once connected, we should not be able to tunnel anymore
conn.connect()
self.assertRaises(RuntimeError, conn.set_tunnel, 'destination.com')
# But if close the connection, we are good.
conn.close()
conn.set_tunnel('destination.com')
conn.request('HEAD', '/', '')
self.assertEqual(conn.sock.host, 'proxy.com')
self.assertEqual(conn.sock.port, 80)
self.assertIn('CONNECT destination.com', conn.sock.data)
# issue22095
self.assertNotIn('Host: destination.com:None', conn.sock.data)
self.assertIn('Host: destination.com', conn.sock.data)
self.assertNotIn('Host: proxy.com', conn.sock.data)
conn.close()
conn.request('PUT', '/', '')
self.assertEqual(conn.sock.host, 'proxy.com')
self.assertEqual(conn.sock.port, 80)
self.assertTrue('CONNECT destination.com' in conn.sock.data)
self.assertTrue('Host: destination.com' in conn.sock.data)
@test_support.reap_threads
def test_main(verbose=None):
test_support.run_unittest(HeaderTests, OfflineTest, BasicTest, TimeoutTest,
HTTPTest, HTTPSTest, SourceAddressTest,
TunnelTests)
if __name__ == '__main__':
test_main()