diff options
Diffstat (limited to 'test/pathod/test_protocols_http2.py')
-rw-r--r-- | test/pathod/test_protocols_http2.py | 545 |
1 files changed, 545 insertions, 0 deletions
diff --git a/test/pathod/test_protocols_http2.py b/test/pathod/test_protocols_http2.py new file mode 100644 index 00000000..e42c2858 --- /dev/null +++ b/test/pathod/test_protocols_http2.py @@ -0,0 +1,545 @@ +import mock +import codecs + +import hyperframe +from netlib import tcp, http +from netlib.tutils import raises +from netlib.exceptions import TcpDisconnect +from netlib.http.http2 import framereader + +from ..netlib import tservers as netlib_tservers + +from pathod.protocols.http2 import HTTP2StateProtocol, TCPHandler + + +class TestTCPHandlerWrapper: + def test_wrapped(self): + h = TCPHandler(rfile='foo', wfile='bar') + p = HTTP2StateProtocol(h) + assert p.tcp_handler.rfile == 'foo' + assert p.tcp_handler.wfile == 'bar' + + def test_direct(self): + p = HTTP2StateProtocol(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("pathod.protocols.http2.HTTP2StateProtocol.perform_server_connection_preface") + @mock.patch("pathod.protocols.http2.HTTP2StateProtocol.perform_client_connection_preface") + def test_perform_connection_preface(self, mock_client_method, mock_server_method): + protocol = HTTP2StateProtocol(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("pathod.protocols.http2.HTTP2StateProtocol.perform_server_connection_preface") + @mock.patch("pathod.protocols.http2.HTTP2StateProtocol.perform_client_connection_preface") + def test_perform_connection_preface_server(self, mock_client_method, mock_server_method): + protocol = HTTP2StateProtocol(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(netlib_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)) + with c.connect(): + c.convert_to_ssl(alpn_protos=[b'h2']) + protocol = HTTP2StateProtocol(c) + assert protocol.check_alpn() + + +class TestCheckALPNMismatch(netlib_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)) + with c.connect(): + c.convert_to_ssl(alpn_protos=[b'h2']) + protocol = HTTP2StateProtocol(c) + with raises(NotImplementedError): + protocol.check_alpn() + + +class TestPerformServerConnectionPreface(netlib_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 = framereader.http2_read_raw_frame(self.rfile) + assert raw == codecs.decode('00000c040000000000000200000000000300000001', 'hex_codec') + + # check settings acknowledgement + raw = framereader.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)) + with c.connect(): + protocol = HTTP2StateProtocol(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(netlib_tservers.ServerTestBase): + class handler(tcp.BaseHandler): + + def handle(self): + # check magic + assert self.rfile.read(24) == HTTP2StateProtocol.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)) + with c.connect(): + protocol = HTTP2StateProtocol(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 = HTTP2StateProtocol(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 = HTTP2StateProtocol(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(netlib_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)) + with c.connect(): + c.convert_to_ssl() + protocol = HTTP2StateProtocol(c) + + protocol._apply_settings({ + hyperframe.frame.SettingsFrame.ENABLE_PUSH: 'foo', + hyperframe.frame.SettingsFrame.MAX_CONCURRENT_STREAMS: 'bar', + hyperframe.frame.SettingsFrame.INITIAL_WINDOW_SIZE: 'deadbeef', + }) + + assert c.rfile.safe_read(2) == b"OK" + + assert protocol.http2_settings[ + hyperframe.frame.SettingsFrame.ENABLE_PUSH] == 'foo' + assert protocol.http2_settings[ + hyperframe.frame.SettingsFrame.MAX_CONCURRENT_STREAMS] == 'bar' + assert protocol.http2_settings[ + hyperframe.frame.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 = HTTP2StateProtocol(self.c)._create_headers( + headers, 1, end_stream=True) + assert b''.join(bytes) ==\ + codecs.decode('000014010500000001824488355217caf3a69a3f87408294e7838c767f', 'hex_codec') + + bytes = HTTP2StateProtocol(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 = HTTP2StateProtocol(self.c) + protocol.http2_settings[hyperframe.frame.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 = HTTP2StateProtocol(self.c) + bytes = protocol._create_body(b'', 1) + assert b''.join(bytes) == b'' + + def test_create_body_single_frame(self): + protocol = HTTP2StateProtocol(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 = HTTP2StateProtocol(self.c) + protocol.http2_settings[hyperframe.frame.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(netlib_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)) + with c.connect(): + c.convert_to_ssl() + protocol = HTTP2StateProtocol(c, is_server=True) + protocol.connection_preface_performed = True + + req = protocol.read_request(NotImplemented) + + assert req.stream_id + assert req.headers.fields == () + assert req.method == "GET" + assert req.path == "/" + assert req.scheme == "https" + assert req.content == b'foobar' + + +class TestReadRequestRelative(netlib_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(self): + c = tcp.TCPClient(("127.0.0.1", self.port)) + with c.connect(): + c.convert_to_ssl() + protocol = HTTP2StateProtocol(c, is_server=True) + protocol.connection_preface_performed = True + + req = protocol.read_request(NotImplemented) + + assert req.first_line_format == "relative" + assert req.method == "OPTIONS" + assert req.path == "*" + + +class TestReadRequestAbsolute(netlib_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(self): + c = tcp.TCPClient(("127.0.0.1", self.port)) + with c.connect(): + c.convert_to_ssl() + protocol = HTTP2StateProtocol(c, is_server=True) + protocol.connection_preface_performed = True + + req = protocol.read_request(NotImplemented) + + assert req.first_line_format == "absolute" + assert req.scheme == "http" + assert req.host == "address" + assert req.port == 22 + + +class TestReadRequestConnect(netlib_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)) + with c.connect(): + c.convert_to_ssl() + protocol = HTTP2StateProtocol(c, is_server=True) + protocol.connection_preface_performed = True + + req = protocol.read_request(NotImplemented) + assert req.first_line_format == "authority" + assert req.method == "CONNECT" + assert req.host == "address" + assert req.port == 22 + + req = protocol.read_request(NotImplemented) + assert req.first_line_format == "authority" + assert req.method == "CONNECT" + assert req.host == "example.com" + assert req.port == 443 + + +class TestReadResponse(netlib_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)) + with c.connect(): + c.convert_to_ssl() + protocol = HTTP2StateProtocol(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.reason == '' + assert resp.headers.fields == ((b':status', b'200'), (b'etag', b'foobar')) + assert resp.content == b'foobar' + assert resp.timestamp_end + + +class TestReadEmptyResponse(netlib_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)) + with c.connect(): + c.convert_to_ssl() + protocol = HTTP2StateProtocol(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.reason == '' + 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 = HTTP2StateProtocol(self.c).assemble_request(http.Request( + b'', + b'GET', + b'https', + b'', + b'', + b'/', + b"HTTP/2.0", + (), + 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, + ) + req.stream_id = 0x42 + bytes = HTTP2StateProtocol(self.c).assemble_request(req) + assert len(bytes) == 1 + assert bytes[0] == codecs.decode('00000d0105000000428284874188089d5c0b8170dc07', 'hex_codec') + + def test_request_with_body(self): + bytes = HTTP2StateProtocol(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 = HTTP2StateProtocol(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 = HTTP2StateProtocol(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 = HTTP2StateProtocol(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') |