mitmproxy/test/netlib/http/http2/test_connections.py
2016-02-15 18:43:06 +01:00

541 lines
18 KiB
Python

import OpenSSL
import mock
import codecs
from hyperframe.frame import *
from netlib import tcp, http, utils, tservers
from netlib.tutils import raises
from netlib.exceptions import TcpDisconnect
from netlib.http.http2.connections import HTTP2Protocol, TCPHandler
class TestTCPHandlerWrapper:
def test_wrapped(self):
h = TCPHandler(rfile='foo', wfile='bar')
p = HTTP2Protocol(h)
assert p.tcp_handler.rfile == 'foo'
assert p.tcp_handler.wfile == 'bar'
def test_direct(self):
p = HTTP2Protocol(rfile='foo', wfile='bar')
assert isinstance(p.tcp_handler, TCPHandler)
assert p.tcp_handler.rfile == 'foo'
assert p.tcp_handler.wfile == 'bar'
class EchoHandler(tcp.BaseHandler):
sni = None
def handle(self):
while True:
v = self.rfile.safe_read(1)
self.wfile.write(v)
self.wfile.flush()
class TestProtocol:
@mock.patch("netlib.http.http2.connections.HTTP2Protocol.perform_server_connection_preface")
@mock.patch("netlib.http.http2.connections.HTTP2Protocol.perform_client_connection_preface")
def test_perform_connection_preface(self, mock_client_method, mock_server_method):
protocol = HTTP2Protocol(is_server=False)
protocol.connection_preface_performed = True
protocol.perform_connection_preface()
assert not mock_client_method.called
assert not mock_server_method.called
protocol.perform_connection_preface(force=True)
assert mock_client_method.called
assert not mock_server_method.called
@mock.patch("netlib.http.http2.connections.HTTP2Protocol.perform_server_connection_preface")
@mock.patch("netlib.http.http2.connections.HTTP2Protocol.perform_client_connection_preface")
def test_perform_connection_preface_server(self, mock_client_method, mock_server_method):
protocol = HTTP2Protocol(is_server=True)
protocol.connection_preface_performed = True
protocol.perform_connection_preface()
assert not mock_client_method.called
assert not mock_server_method.called
protocol.perform_connection_preface(force=True)
assert not mock_client_method.called
assert mock_server_method.called
class TestCheckALPNMatch(tservers.ServerTestBase):
handler = EchoHandler
ssl = dict(
alpn_select=b'h2',
)
if tcp.HAS_ALPN:
def test_check_alpn(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
c.convert_to_ssl(alpn_protos=[b'h2'])
protocol = HTTP2Protocol(c)
assert protocol.check_alpn()
class TestCheckALPNMismatch(tservers.ServerTestBase):
handler = EchoHandler
ssl = dict(
alpn_select=None,
)
if tcp.HAS_ALPN:
def test_check_alpn(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
c.convert_to_ssl(alpn_protos=[b'h2'])
protocol = HTTP2Protocol(c)
with raises(NotImplementedError):
protocol.check_alpn()
class TestPerformServerConnectionPreface(tservers.ServerTestBase):
class handler(tcp.BaseHandler):
def handle(self):
# send magic
self.wfile.write(codecs.decode('505249202a20485454502f322e300d0a0d0a534d0d0a0d0a', 'hex_codec'))
self.wfile.flush()
# send empty settings frame
self.wfile.write(codecs.decode('000000040000000000', 'hex_codec'))
self.wfile.flush()
# check empty settings frame
raw = utils.http2_read_raw_frame(self.rfile)
assert raw == codecs.decode('00000c040000000000000200000000000300000001', 'hex_codec')
# check settings acknowledgement
raw = utils.http2_read_raw_frame(self.rfile)
assert raw == codecs.decode('000000040100000000', 'hex_codec')
# send settings acknowledgement
self.wfile.write(codecs.decode('000000040100000000', 'hex_codec'))
self.wfile.flush()
def test_perform_server_connection_preface(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
protocol = HTTP2Protocol(c)
assert not protocol.connection_preface_performed
protocol.perform_server_connection_preface()
assert protocol.connection_preface_performed
with raises(TcpDisconnect):
protocol.perform_server_connection_preface(force=True)
class TestPerformClientConnectionPreface(tservers.ServerTestBase):
class handler(tcp.BaseHandler):
def handle(self):
# check magic
assert self.rfile.read(24) == HTTP2Protocol.CLIENT_CONNECTION_PREFACE
# check empty settings frame
assert self.rfile.read(9) ==\
codecs.decode('000000040000000000', 'hex_codec')
# send empty settings frame
self.wfile.write(codecs.decode('000000040000000000', 'hex_codec'))
self.wfile.flush()
# check settings acknowledgement
assert self.rfile.read(9) == \
codecs.decode('000000040100000000', 'hex_codec')
# send settings acknowledgement
self.wfile.write(codecs.decode('000000040100000000', 'hex_codec'))
self.wfile.flush()
def test_perform_client_connection_preface(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
protocol = HTTP2Protocol(c)
assert not protocol.connection_preface_performed
protocol.perform_client_connection_preface()
assert protocol.connection_preface_performed
class TestClientStreamIds(object):
c = tcp.TCPClient(("127.0.0.1", 0))
protocol = HTTP2Protocol(c)
def test_client_stream_ids(self):
assert self.protocol.current_stream_id is None
assert self.protocol._next_stream_id() == 1
assert self.protocol.current_stream_id == 1
assert self.protocol._next_stream_id() == 3
assert self.protocol.current_stream_id == 3
assert self.protocol._next_stream_id() == 5
assert self.protocol.current_stream_id == 5
class TestServerStreamIds(object):
c = tcp.TCPClient(("127.0.0.1", 0))
protocol = HTTP2Protocol(c, is_server=True)
def test_server_stream_ids(self):
assert self.protocol.current_stream_id is None
assert self.protocol._next_stream_id() == 2
assert self.protocol.current_stream_id == 2
assert self.protocol._next_stream_id() == 4
assert self.protocol.current_stream_id == 4
assert self.protocol._next_stream_id() == 6
assert self.protocol.current_stream_id == 6
class TestApplySettings(tservers.ServerTestBase):
class handler(tcp.BaseHandler):
def handle(self):
# check settings acknowledgement
assert self.rfile.read(9) == codecs.decode('000000040100000000', 'hex_codec')
self.wfile.write("OK")
self.wfile.flush()
self.rfile.safe_read(9) # just to keep the connection alive a bit longer
ssl = True
def test_apply_settings(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
c.convert_to_ssl()
protocol = HTTP2Protocol(c)
protocol._apply_settings({
SettingsFrame.ENABLE_PUSH: 'foo',
SettingsFrame.MAX_CONCURRENT_STREAMS: 'bar',
SettingsFrame.INITIAL_WINDOW_SIZE: 'deadbeef',
})
assert c.rfile.safe_read(2) == b"OK"
assert protocol.http2_settings[
SettingsFrame.ENABLE_PUSH] == 'foo'
assert protocol.http2_settings[
SettingsFrame.MAX_CONCURRENT_STREAMS] == 'bar'
assert protocol.http2_settings[
SettingsFrame.INITIAL_WINDOW_SIZE] == 'deadbeef'
class TestCreateHeaders(object):
c = tcp.TCPClient(("127.0.0.1", 0))
def test_create_headers(self):
headers = http.Headers([
(b':method', b'GET'),
(b':path', b'index.html'),
(b':scheme', b'https'),
(b'foo', b'bar')])
bytes = HTTP2Protocol(self.c)._create_headers(
headers, 1, end_stream=True)
assert b''.join(bytes) ==\
codecs.decode('000014010500000001824488355217caf3a69a3f87408294e7838c767f', 'hex_codec')
bytes = HTTP2Protocol(self.c)._create_headers(
headers, 1, end_stream=False)
assert b''.join(bytes) ==\
codecs.decode('000014010400000001824488355217caf3a69a3f87408294e7838c767f', 'hex_codec')
def test_create_headers_multiple_frames(self):
headers = http.Headers([
(b':method', b'GET'),
(b':path', b'/'),
(b':scheme', b'https'),
(b'foo', b'bar'),
(b'server', b'version')])
protocol = HTTP2Protocol(self.c)
protocol.http2_settings[SettingsFrame.MAX_FRAME_SIZE] = 8
bytes = protocol._create_headers(headers, 1, end_stream=True)
assert len(bytes) == 3
assert bytes[0] == codecs.decode('000008010100000001828487408294e783', 'hex_codec')
assert bytes[1] == codecs.decode('0000080900000000018c767f7685ee5b10', 'hex_codec')
assert bytes[2] == codecs.decode('00000209040000000163d5', 'hex_codec')
class TestCreateBody(object):
c = tcp.TCPClient(("127.0.0.1", 0))
def test_create_body_empty(self):
protocol = HTTP2Protocol(self.c)
bytes = protocol._create_body(b'', 1)
assert b''.join(bytes) == b''
def test_create_body_single_frame(self):
protocol = HTTP2Protocol(self.c)
bytes = protocol._create_body(b'foobar', 1)
assert b''.join(bytes) == codecs.decode('000006000100000001666f6f626172', 'hex_codec')
def test_create_body_multiple_frames(self):
protocol = HTTP2Protocol(self.c)
protocol.http2_settings[SettingsFrame.MAX_FRAME_SIZE] = 5
bytes = protocol._create_body(b'foobarmehm42', 1)
assert len(bytes) == 3
assert bytes[0] == codecs.decode('000005000000000001666f6f6261', 'hex_codec')
assert bytes[1] == codecs.decode('000005000000000001726d65686d', 'hex_codec')
assert bytes[2] == codecs.decode('0000020001000000013432', 'hex_codec')
class TestReadRequest(tservers.ServerTestBase):
class handler(tcp.BaseHandler):
def handle(self):
self.wfile.write(
codecs.decode('000003010400000001828487', 'hex_codec'))
self.wfile.write(
codecs.decode('000006000100000001666f6f626172', 'hex_codec'))
self.wfile.flush()
self.rfile.safe_read(9) # just to keep the connection alive a bit longer
ssl = True
def test_read_request(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
c.convert_to_ssl()
protocol = HTTP2Protocol(c, is_server=True)
protocol.connection_preface_performed = True
req = protocol.read_request(NotImplemented)
assert req.stream_id
assert req.headers.fields == [[b':method', b'GET'], [b':path', b'/'], [b':scheme', b'https']]
assert req.content == b'foobar'
class TestReadRequestRelative(tservers.ServerTestBase):
class handler(tcp.BaseHandler):
def handle(self):
self.wfile.write(
codecs.decode('00000c0105000000014287d5af7e4d5a777f4481f9', 'hex_codec'))
self.wfile.flush()
ssl = True
def test_asterisk_form_in(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
c.convert_to_ssl()
protocol = HTTP2Protocol(c, is_server=True)
protocol.connection_preface_performed = True
req = protocol.read_request(NotImplemented)
assert req.form_in == "relative"
assert req.method == "OPTIONS"
assert req.path == "*"
class TestReadRequestAbsolute(tservers.ServerTestBase):
class handler(tcp.BaseHandler):
def handle(self):
self.wfile.write(
codecs.decode('00001901050000000182448d9d29aee30c0e492c2a1170426366871c92585422e085', 'hex_codec'))
self.wfile.flush()
ssl = True
def test_absolute_form_in(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
c.convert_to_ssl()
protocol = HTTP2Protocol(c, is_server=True)
protocol.connection_preface_performed = True
req = protocol.read_request(NotImplemented)
assert req.form_in == "absolute"
assert req.scheme == "http"
assert req.host == "address"
assert req.port == 22
class TestReadRequestConnect(tservers.ServerTestBase):
class handler(tcp.BaseHandler):
def handle(self):
self.wfile.write(
codecs.decode('00001b0105000000014287bdab4e9c17b7ff44871c92585422e08541871c92585422e085', 'hex_codec'))
self.wfile.write(
codecs.decode('00001d0105000000014287bdab4e9c17b7ff44882f91d35d055c87a741882f91d35d055c87a7', 'hex_codec'))
self.wfile.flush()
ssl = True
def test_connect(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
c.convert_to_ssl()
protocol = HTTP2Protocol(c, is_server=True)
protocol.connection_preface_performed = True
req = protocol.read_request(NotImplemented)
assert req.form_in == "authority"
assert req.method == "CONNECT"
assert req.host == "address"
assert req.port == 22
req = protocol.read_request(NotImplemented)
assert req.form_in == "authority"
assert req.method == "CONNECT"
assert req.host == "example.com"
assert req.port == 443
class TestReadResponse(tservers.ServerTestBase):
class handler(tcp.BaseHandler):
def handle(self):
self.wfile.write(
codecs.decode('00000801040000002a88628594e78c767f', 'hex_codec'))
self.wfile.write(
codecs.decode('00000600010000002a666f6f626172', 'hex_codec'))
self.wfile.flush()
self.rfile.safe_read(9) # just to keep the connection alive a bit longer
ssl = True
def test_read_response(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
c.convert_to_ssl()
protocol = HTTP2Protocol(c)
protocol.connection_preface_performed = True
resp = protocol.read_response(NotImplemented, stream_id=42)
assert resp.http_version == "HTTP/2.0"
assert resp.status_code == 200
assert resp.msg == ''
assert resp.headers.fields == [[b':status', b'200'], [b'etag', b'foobar']]
assert resp.content == b'foobar'
assert resp.timestamp_end
class TestReadEmptyResponse(tservers.ServerTestBase):
class handler(tcp.BaseHandler):
def handle(self):
self.wfile.write(
codecs.decode('00000801050000002a88628594e78c767f', 'hex_codec'))
self.wfile.flush()
ssl = True
def test_read_empty_response(self):
c = tcp.TCPClient(("127.0.0.1", self.port))
c.connect()
c.convert_to_ssl()
protocol = HTTP2Protocol(c)
protocol.connection_preface_performed = True
resp = protocol.read_response(NotImplemented, stream_id=42)
assert resp.stream_id == 42
assert resp.http_version == "HTTP/2.0"
assert resp.status_code == 200
assert resp.msg == ''
assert resp.headers.fields == [[b':status', b'200'], [b'etag', b'foobar']]
assert resp.content == b''
class TestAssembleRequest(object):
c = tcp.TCPClient(("127.0.0.1", 0))
def test_request_simple(self):
bytes = HTTP2Protocol(self.c).assemble_request(http.Request(
b'',
b'GET',
b'https',
b'',
b'',
b'/',
b"HTTP/2.0",
None,
None,
))
assert len(bytes) == 1
assert bytes[0] == codecs.decode('00000d0105000000018284874188089d5c0b8170dc07', 'hex_codec')
def test_request_with_stream_id(self):
req = http.Request(
b'',
b'GET',
b'https',
b'',
b'',
b'/',
b"HTTP/2.0",
None,
None,
)
req.stream_id = 0x42
bytes = HTTP2Protocol(self.c).assemble_request(req)
assert len(bytes) == 1
assert bytes[0] == codecs.decode('00000d0105000000428284874188089d5c0b8170dc07', 'hex_codec')
def test_request_with_body(self):
bytes = HTTP2Protocol(self.c).assemble_request(http.Request(
b'',
b'GET',
b'https',
b'',
b'',
b'/',
b"HTTP/2.0",
http.Headers([(b'foo', b'bar')]),
b'foobar',
))
assert len(bytes) == 2
assert bytes[0] ==\
codecs.decode('0000150104000000018284874188089d5c0b8170dc07408294e7838c767f', 'hex_codec')
assert bytes[1] ==\
codecs.decode('000006000100000001666f6f626172', 'hex_codec')
class TestAssembleResponse(object):
c = tcp.TCPClient(("127.0.0.1", 0))
def test_simple(self):
bytes = HTTP2Protocol(self.c, is_server=True).assemble_response(http.Response(
b"HTTP/2.0",
200,
))
assert len(bytes) == 1
assert bytes[0] ==\
codecs.decode('00000101050000000288', 'hex_codec')
def test_with_stream_id(self):
resp = http.Response(
b"HTTP/2.0",
200,
)
resp.stream_id = 0x42
bytes = HTTP2Protocol(self.c, is_server=True).assemble_response(resp)
assert len(bytes) == 1
assert bytes[0] ==\
codecs.decode('00000101050000004288', 'hex_codec')
def test_with_body(self):
bytes = HTTP2Protocol(self.c, is_server=True).assemble_response(http.Response(
b"HTTP/2.0",
200,
b'',
http.Headers(foo=b"bar"),
b'foobar'
))
assert len(bytes) == 2
assert bytes[0] ==\
codecs.decode('00000901040000000288408294e7838c767f', 'hex_codec')
assert bytes[1] ==\
codecs.decode('000006000100000002666f6f626172', 'hex_codec')