1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
import time
from typing import List
from mitmproxy import flow
from mitmproxy.http import HTTPFlow
from mitmproxy.net import websockets
from mitmproxy.utils import strutils
from mitmproxy.types import serializable
class WebSocketMessage(serializable.Serializable):
def __init__(self, flow, from_client, content, timestamp=None):
self.flow = flow
self.content = content
self.from_client = from_client
self.timestamp = timestamp or time.time()
@classmethod
def from_state(cls, state):
return cls(*state)
def get_state(self):
return self.from_client, self.content, self.timestamp
def set_state(self, state):
self.from_client = state.pop("from_client")
self.content = state.pop("content")
self.timestamp = state.pop("timestamp")
@property
def info(self):
return "{client} {direction} WebSocket {type} message {direction} {server}{endpoint}".format(
type=self.type,
client=repr(self.flow.client_conn.address),
server=repr(self.flow.server_conn.address),
direction="->" if self.from_client else "<-",
endpoint=self.flow.handshake_flow.request.path,
)
class WebSocketBinaryMessage(WebSocketMessage):
type = 'binary'
def __repr__(self):
return "binary message: {}".format(strutils.bytes_to_escaped_str(self.content))
class WebSocketTextMessage(WebSocketMessage):
type = 'text'
def __repr__(self):
return "text message: {}".format(repr(self.content))
class WebSocketFlow(flow.Flow):
"""
A WebsocketFlow is a simplified representation of a Websocket session.
"""
def __init__(self, client_conn, server_conn, handshake_flow, live=None):
super().__init__("websocket", client_conn, server_conn, live)
self.messages = [] # type: List[WebSocketMessage]
self.close_sender = 'client'
self.close_code = '(status code missing)'
self.close_message = '(message missing)'
self.close_reason = 'unknown status code'
self.handshake_flow = handshake_flow
self.client_key = websockets.get_client_key(self.handshake_flow.request.headers)
self.client_protocol = websockets.get_protocol(self.handshake_flow.request.headers)
self.client_extensions = websockets.get_extensions(self.handshake_flow.request.headers)
self.server_accept = websockets.get_server_accept(self.handshake_flow.response.headers)
self.server_protocol = websockets.get_protocol(self.handshake_flow.response.headers)
self.server_extensions = websockets.get_extensions(self.handshake_flow.response.headers)
_stateobject_attributes = flow.Flow._stateobject_attributes.copy()
_stateobject_attributes.update(
messages=List[WebSocketMessage],
handshake_flow=HTTPFlow,
)
def __repr__(self):
return "WebSocketFlow ({} messages)".format(len(self.messages))
|
