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56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
import time
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from mitmproxy.net import websockets
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from pathod import language
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from mitmproxy import exceptions
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class WebsocketsProtocol:
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def __init__(self, pathod_handler):
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self.pathod_handler = pathod_handler
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def handle_websocket(self, logger):
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while True:
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with logger.ctx() as lg:
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started = time.time()
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try:
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frm = websockets.Frame.from_file(self.pathod_handler.rfile)
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except exceptions.NetlibException as e:
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lg("Error reading websocket frame: %s" % e)
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return None, None
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ended = time.time()
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lg(repr(frm))
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retlog = dict(
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type="inbound",
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protocol="websockets",
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started=started,
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duration=ended - started,
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frame=dict(
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),
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cipher=None,
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)
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if self.pathod_handler.ssl_established:
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retlog["cipher"] = self.pathod_handler.get_current_cipher()
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self.pathod_handler.addlog(retlog)
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ld = language.websockets.NESTED_LEADER
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if frm.payload.startswith(ld):
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nest = frm.payload[len(ld):]
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try:
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wf_gen = language.parse_websocket_frame(nest.decode())
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except language.exceptions.ParseException as v:
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logger.write(
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"Parse error in reflected frame specifcation:"
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" %s" % v.msg
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)
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return None, None
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for frm in wf_gen:
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with logger.ctx() as lg:
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frame_log = language.serve(
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frm,
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self.pathod_handler.wfile,
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self.pathod_handler.settings
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)
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lg("crafting websocket spec: %s" % frame_log["spec"])
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self.pathod_handler.addlog(frame_log)
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