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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
import typing
from mitmproxy import flow
from mitmproxy import exceptions
from mitmproxy.http import HTTPFlow, HTTPResponse, HTTPRequest
from mitmproxy.certs import Cert
from mitmproxy.connections import ClientConnection, ServerConnection
from mitmproxy.io.proto import http_pb2
def _move_attrs(s_obj, d_obj, attrs):
for attr in attrs:
if not isinstance(d_obj, dict):
if hasattr(s_obj, attr) and getattr(s_obj, attr) is not None:
setattr(d_obj, attr, getattr(s_obj, attr))
else:
if hasattr(s_obj, attr) and getattr(s_obj, attr) is not None:
# ugly fix to set None in empty str or bytes fields
if getattr(s_obj, attr) == "" or getattr(s_obj, attr) == b"":
d_obj[attr] = None
else:
d_obj[attr] = getattr(s_obj, attr)
def _dump_http_response(res: HTTPResponse) -> http_pb2.HTTPResponse:
pres = http_pb2.HTTPResponse()
_move_attrs(res, pres, ['http_version', 'status_code', 'reason',
'content', 'timestamp_start', 'timestamp_end', 'is_replay'])
if res.headers:
for h in res.headers.fields:
header = pres.headers.add()
header.name = h[0]
header.value = h[1]
return pres
def _dump_http_request(req: HTTPRequest) -> http_pb2.HTTPRequest:
preq = http_pb2.HTTPRequest()
_move_attrs(req, preq, ['first_line_format', 'method', 'scheme', 'host', 'port', 'path', 'http_version', 'content',
'timestamp_start', 'timestamp_end', 'is_replay'])
if req.headers:
for h in req.headers.fields:
header = preq.headers.add()
header.name = h[0]
header.value = h[1]
return preq
def _dump_http_client_conn(cc: ClientConnection) -> http_pb2.ClientConnection:
pcc = http_pb2.ClientConnection()
_move_attrs(cc, pcc, ['id', 'tls_established', 'timestamp_start', 'timestamp_tls_setup', 'timestamp_end', 'sni',
'cipher_name', 'alpn_proto_negotiated', 'tls_version'])
for cert in ['clientcert', 'mitmcert']:
if hasattr(cc, cert) and getattr(cc, cert) is not None:
setattr(pcc, cert, getattr(cc, cert).to_pem())
if cc.tls_extensions:
for extension in cc.tls_extensions:
ext = pcc.tls_extensions.add()
ext.int = extension[0]
ext.bytes = extension[1]
if cc.address:
pcc.address.host = cc.address[0]
pcc.address.port = cc.address[1]
return pcc
def _dump_http_server_conn(sc: ServerConnection) -> http_pb2.ServerConnection:
psc = http_pb2.ServerConnection()
_move_attrs(sc, psc, ['id', 'tls_established', 'sni', 'alpn_proto_negotiated', 'tls_version',
'timestamp_start', 'timestamp_tcp_setup', 'timestamp_tls_setup', 'timestamp_end'])
for addr in ['address', 'ip_address', 'source_address']:
if hasattr(sc, addr) and getattr(sc, addr) is not None:
getattr(psc, addr).host = getattr(sc, addr)[0]
getattr(psc, addr).port = getattr(sc, addr)[1]
if sc.cert:
psc.cert = sc.cert.to_pem()
if sc.via:
psc.via.MergeFrom(_dump_http_server_conn(sc.via))
return psc
def _dump_http_error(e: flow.Error) -> http_pb2.HTTPError:
pe = http_pb2.HTTPError()
for attr in ['msg', 'timestamp']:
if hasattr(e, attr) and getattr(e, attr) is not None:
setattr(pe, attr, getattr(e, attr))
return pe
def dump_http(f: flow.Flow) -> http_pb2.HTTPFlow:
pf = http_pb2.HTTPFlow()
for p in ['request', 'response', 'client_conn', 'server_conn', 'error']:
if hasattr(f, p) and getattr(f, p):
getattr(pf, p).MergeFrom(eval(f"_dump_http_{p}")(getattr(f, p)))
_move_attrs(f, pf, ['intercepted', 'marked', 'mode', 'id'])
return pf
def dumps(f: flow.Flow) -> bytes:
if f.type != "http":
raise exceptions.TypeError("Flow types different than HTTP not supported yet!")
else:
p = dump_http(f)
return p.SerializeToString()
def _load_http_request(o: http_pb2.HTTPRequest) -> HTTPRequest:
d: dict = {}
_move_attrs(o, d, ['first_line_format', 'method', 'scheme', 'host', 'port', 'path', 'http_version', 'content',
'timestamp_start', 'timestamp_end', 'is_replay'])
if d['content'] is None:
d['content'] = b""
d["headers"] = []
for header in o.headers:
d["headers"].append((bytes(header.name, "utf-8"), bytes(header.value, "utf-8")))
return HTTPRequest(**d)
def _load_http_response(o: http_pb2.HTTPResponse) -> HTTPResponse:
d: dict = {}
_move_attrs(o, d, ['http_version', 'status_code', 'reason',
'content', 'timestamp_start', 'timestamp_end', 'is_replay'])
if d['content'] is None:
d['content'] = b""
d["headers"] = []
for header in o.headers:
d["headers"].append((bytes(header.name, "utf-8"), bytes(header.value, "utf-8")))
return HTTPResponse(**d)
def _load_http_client_conn(o: http_pb2.ClientConnection) -> ClientConnection:
d: dict = {}
_move_attrs(o, d, ['id', 'tls_established', 'sni', 'cipher_name', 'alpn_proto_negotiated', 'tls_version',
'timestamp_start', 'timestamp_tcp_setup', 'timestamp_tls_setup', 'timestamp_end'])
for cert in ['clientcert', 'mitmcert']:
if hasattr(o, cert) and getattr(o, cert):
d[cert] = Cert.from_pem(getattr(o, cert))
if o.tls_extensions:
d['tls_extensions'] = []
for extension in o.tls_extensions:
d['tls_extensions'].append((extension.int, extension.bytes))
if o.address:
d['address'] = (o.address.host, o.address.port)
cc = ClientConnection(None, tuple(), None)
for k, v in d.items():
setattr(cc, k, v)
return cc
def _load_http_server_conn(o: http_pb2.ServerConnection) -> ServerConnection:
d: dict = {}
_move_attrs(o, d, ['id', 'tls_established', 'sni', 'alpn_proto_negotiated', 'tls_version',
'timestamp_start', 'timestamp_tcp_setup', 'timestamp_tls_setup', 'timestamp_end'])
for addr in ['address', 'ip_address', 'source_address']:
if hasattr(o, addr):
d[addr] = (getattr(o, addr).host, getattr(o, addr).port)
if o.cert:
c = Cert.from_pem(o.cert)
d['cert'] = c
if o.HasField('via'):
d['via'] = _load_http_server_conn(o.via)
sc = ServerConnection(tuple())
for k, v in d.items():
setattr(sc, k, v)
return sc
def _load_http_error(o: http_pb2.HTTPError) -> typing.Optional[flow.Error]:
d = {}
for m in ['msg', 'timestamp']:
if hasattr(o, m) and getattr(o, m):
d[m] = getattr(o, m)
return None if not d else flow.Error(**d)
def load_http(hf: http_pb2.HTTPFlow) -> HTTPFlow:
parts = {}
for p in ['request', 'response', 'client_conn', 'server_conn', 'error']:
if hf.HasField(p):
parts[p] = eval(f"_load_http_{p}")(getattr(hf, p))
else:
parts[p] = None
_move_attrs(hf, parts, ['intercepted', 'marked', 'mode', 'id'])
f = HTTPFlow(ClientConnection(None, tuple(), None), ServerConnection(tuple()))
for k, v in parts.items():
setattr(f, k, v)
return f
def loads(b: bytes, typ="http") -> typing.Union[HTTPFlow]:
if typ != 'http':
raise exceptions.TypeError("Flow types different than HTTP not supported yet!")
else:
p = http_pb2.HTTPFlow()
p.ParseFromString(b)
return load_http(p)
|
