mirror of
https://github.com/Grasscutters/mitmproxy.git
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144 lines
4.4 KiB
Python
144 lines
4.4 KiB
Python
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from pathod import language
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from pathod.language import websockets
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import netlib.websockets
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from . import tutils
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def parse_request(s):
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return next(language.parse_pathoc(s))
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class TestWebsocketFrame:
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def _test_messages(self, specs, message_klass):
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for i in specs:
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wf = parse_request(i)
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assert isinstance(wf, message_klass)
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assert wf
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assert wf.values(language.Settings())
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assert wf.resolve(language.Settings())
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spec = wf.spec()
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wf2 = parse_request(spec)
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assert wf2.spec() == spec
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def test_server_values(self):
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specs = [
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"wf",
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"wf:dr",
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"wf:b'foo'",
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"wf:mask:r'foo'",
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"wf:l1024:b'foo'",
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"wf:cbinary",
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"wf:c1",
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"wf:mask:knone",
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"wf:fin",
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"wf:fin:rsv1:rsv2:rsv3:mask",
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"wf:-fin:-rsv1:-rsv2:-rsv3:-mask",
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"wf:k@4",
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"wf:x10",
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]
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self._test_messages(specs, websockets.WebsocketFrame)
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def test_parse_websocket_frames(self):
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wf = language.parse_websocket_frame("wf:x10")
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assert len(list(wf)) == 10
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tutils.raises(
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language.ParseException,
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language.parse_websocket_frame,
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"wf:x"
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)
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def test_client_values(self):
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specs = [
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"wf:f'wf'",
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]
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self._test_messages(specs, websockets.WebsocketClientFrame)
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def test_nested_frame(self):
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wf = parse_request("wf:f'wf'")
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assert wf.nested_frame
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def test_flags(self):
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wf = parse_request("wf:fin:mask:rsv1:rsv2:rsv3")
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frm = netlib.websockets.Frame.from_bytes(tutils.render(wf))
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assert frm.header.fin
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assert frm.header.mask
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assert frm.header.rsv1
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assert frm.header.rsv2
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assert frm.header.rsv3
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wf = parse_request("wf:-fin:-mask:-rsv1:-rsv2:-rsv3")
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frm = netlib.websockets.Frame.from_bytes(tutils.render(wf))
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assert not frm.header.fin
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assert not frm.header.mask
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assert not frm.header.rsv1
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assert not frm.header.rsv2
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assert not frm.header.rsv3
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def fr(self, spec, **kwargs):
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settings = language.base.Settings(**kwargs)
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wf = parse_request(spec)
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return netlib.websockets.Frame.from_bytes(tutils.render(wf, settings))
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def test_construction(self):
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assert self.fr("wf:c1").header.opcode == 1
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assert self.fr("wf:c0").header.opcode == 0
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assert self.fr("wf:cbinary").header.opcode ==\
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netlib.websockets.OPCODE.BINARY
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assert self.fr("wf:ctext").header.opcode ==\
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netlib.websockets.OPCODE.TEXT
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def test_rawbody(self):
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frm = self.fr("wf:mask:r'foo'")
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assert len(frm.payload) == 3
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assert frm.payload != b"foo"
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assert self.fr("wf:r'foo'").payload == b"foo"
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def test_construction_2(self):
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# Simple server frame
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frm = self.fr("wf:b'foo'")
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assert not frm.header.mask
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assert not frm.header.masking_key
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# Simple client frame
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frm = self.fr("wf:b'foo'", is_client=True)
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assert frm.header.mask
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assert frm.header.masking_key
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frm = self.fr("wf:b'foo':k'abcd'", is_client=True)
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assert frm.header.mask
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assert frm.header.masking_key == b'abcd'
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# Server frame, mask explicitly set
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frm = self.fr("wf:b'foo':mask")
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assert frm.header.mask
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assert frm.header.masking_key
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frm = self.fr("wf:b'foo':k'abcd'")
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assert frm.header.mask
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assert frm.header.masking_key == b'abcd'
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# Client frame, mask explicitly unset
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frm = self.fr("wf:b'foo':-mask", is_client=True)
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assert not frm.header.mask
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assert not frm.header.masking_key
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frm = self.fr("wf:b'foo':-mask:k'abcd'", is_client=True)
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assert not frm.header.mask
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# We're reading back a corrupted frame - the first 3 characters of the
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# mask is mis-interpreted as the payload
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assert frm.payload == b"abc"
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def test_knone(self):
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with tutils.raises("expected 4 bytes"):
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self.fr("wf:b'foo':mask:knone")
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def test_length(self):
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assert self.fr("wf:l3:b'foo'").header.payload_length == 3
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frm = self.fr("wf:l2:b'foo'")
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assert frm.header.payload_length == 2
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assert frm.payload == b"fo"
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tutils.raises("expected 1024 bytes", self.fr, "wf:l1024:b'foo'")
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