648 lines
24 KiB
Python
648 lines
24 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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def test_ipv6host_header(self):
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# Default host header on IPv6 transaction should wrapped by [] if
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# its actual IPv6 address
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expected = b'GET /foo HTTP/1.1\r\nHost: [2001::]:81\r\n' \
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b'Accept-Encoding: identity\r\n\r\n'
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conn = client.HTTPConnection('[2001::]:81')
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sock = FakeSocket('')
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conn.sock = sock
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conn.request('GET', '/foo')
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self.assertTrue(sock.data.startswith(expected))
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expected = b'GET /foo HTTP/1.1\r\nHost: [2001:102A::]\r\n' \
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b'Accept-Encoding: identity\r\n\r\n'
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conn = client.HTTPConnection('[2001:102A::]')
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sock = FakeSocket('')
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conn.sock = sock
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conn.request('GET', '/foo')
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self.assertTrue(sock.data.startswith(expected))
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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.assertEqual(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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with open(__file__, 'rb') as body:
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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.assertEqual(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.assertEqual(expected, sock.data)
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sock.data = b''
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conn.send(io.BytesIO(expected))
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self.assertEqual(expected, sock.data)
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def test_send_iter(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: 11\r\n' \
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b'\r\nonetwothree'
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def body():
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yield b"one"
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yield b"two"
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yield b"three"
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conn = client.HTTPConnection('example.com')
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sock = FakeSocket("")
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conn.sock = sock
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conn.request('GET', '/foo', body(), {'Content-Length': '11'})
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self.assertEqual(sock.data, expected)
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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.assertEqual(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.assertEqual(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.assertEqual(resp.read(), b'')
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self.assertEqual(resp.status, 200)
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self.assertEqual(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.assertEqual(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.assertEqual(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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# Test lines overflowing the max line size (_MAXLINE in http.client)
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def test_overflowing_status_line(self):
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body = "HTTP/1.1 200 Ok" + "k" * 65536 + "\r\n"
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resp = client.HTTPResponse(FakeSocket(body))
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self.assertRaises((client.LineTooLong, client.BadStatusLine), resp.begin)
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def test_overflowing_header_line(self):
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body = (
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'HTTP/1.1 200 OK\r\n'
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'X-Foo: bar' + 'r' * 65536 + '\r\n\r\n'
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)
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resp = client.HTTPResponse(FakeSocket(body))
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self.assertRaises(client.LineTooLong, resp.begin)
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def test_overflowing_chunked_line(self):
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body = (
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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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+ '0' * 65536 + 'a\r\n'
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'hello world\r\n'
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'0\r\n'
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)
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resp = client.HTTPResponse(FakeSocket(body))
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resp.begin()
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self.assertRaises(client.LineTooLong, resp.read)
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class OfflineTest(TestCase):
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def test_responses(self):
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self.assertEqual(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'):
|
|
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
|
|
context.verify_mode = ssl.CERT_REQUIRED
|
|
context.load_verify_locations(CERT_localhost)
|
|
h = client.HTTPSConnection('svn.python.org', 443, context=context)
|
|
with self.assertRaises(ssl.SSLError):
|
|
h.request('GET', '/')
|
|
|
|
def test_local_good_hostname(self):
|
|
# The (valid) cert validates the HTTP hostname
|
|
import ssl
|
|
from test.ssl_servers import make_https_server
|
|
server = make_https_server(self, CERT_localhost)
|
|
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
|
|
context.verify_mode = ssl.CERT_REQUIRED
|
|
context.load_verify_locations(CERT_localhost)
|
|
h = client.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
|
|
from test.ssl_servers import make_https_server
|
|
server = make_https_server(self, CERT_fakehostname)
|
|
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
|
|
context.verify_mode = ssl.CERT_REQUIRED
|
|
context.load_verify_locations(CERT_fakehostname)
|
|
h = client.HTTPSConnection('localhost', server.port, context=context)
|
|
with self.assertRaises(ssl.CertificateError):
|
|
h.request('GET', '/')
|
|
# Same with explicit check_hostname=True
|
|
h = client.HTTPSConnection('localhost', server.port, context=context,
|
|
check_hostname=True)
|
|
with self.assertRaises(ssl.CertificateError):
|
|
h.request('GET', '/')
|
|
# With check_hostname=False, the mismatching is ignored
|
|
h = client.HTTPSConnection('localhost', server.port, context=context,
|
|
check_hostname=False)
|
|
h.request('GET', '/nonexistent')
|
|
resp = h.getresponse()
|
|
self.assertEqual(resp.status, 404)
|
|
|
|
|
|
class RequestBodyTest(TestCase):
|
|
"""Test cases where a request includes a message body."""
|
|
|
|
def setUp(self):
|
|
self.conn = client.HTTPConnection('example.com')
|
|
self.conn.sock = self.sock = FakeSocket("")
|
|
self.conn.sock = self.sock
|
|
|
|
def get_headers_and_fp(self):
|
|
f = io.BytesIO(self.sock.data)
|
|
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.assertIsNone(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.assertIsNone(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.assertIsNone(message.get_charset())
|
|
self.assertEqual("5", message.get("content-length"))
|
|
self.assertEqual(b'body\xc1', f.read())
|
|
|
|
def test_file_body(self):
|
|
with open(support.TESTFN, "w") as f:
|
|
f.write("body")
|
|
with open(support.TESTFN) as f:
|
|
self.conn.request("PUT", "/url", f)
|
|
message, f = self.get_headers_and_fp()
|
|
self.assertEqual("text/plain", message.get_content_type())
|
|
self.assertIsNone(message.get_charset())
|
|
self.assertEqual("4", message.get("content-length"))
|
|
self.assertEqual(b'body', f.read())
|
|
|
|
def test_binary_file_body(self):
|
|
with open(support.TESTFN, "wb") as f:
|
|
f.write(b"body\xc1")
|
|
with open(support.TESTFN, "rb") as f:
|
|
self.conn.request("PUT", "/url", f)
|
|
message, f = self.get_headers_and_fp()
|
|
self.assertEqual("text/plain", message.get_content_type())
|
|
self.assertIsNone(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()
|