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
|
import pytest
import httpcore
@pytest.mark.anyio
async def test_socks5_request():
"""
Send an HTTP request via a SOCKS proxy.
"""
network_backend = httpcore.AsyncMockBackend(
[
# The initial socks CONNECT
# v5 NOAUTH
b"\x05\x00",
# v5 SUC RSV IP4 127 .0 .0 .1 :80
b"\x05\x00\x00\x01\xff\x00\x00\x01\x00\x50",
# The actual response from the remote server
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: plain/text\r\n",
b"Content-Length: 13\r\n",
b"\r\n",
b"Hello, world!",
]
)
async with httpcore.AsyncConnectionPool(
proxy=httpcore.Proxy("socks5://localhost:8080/"),
network_backend=network_backend,
) as proxy:
# Sending an intial request, which once complete will return to the pool, IDLE.
async with proxy.stream("GET", "https://example.com/") as response:
info = [repr(c) for c in proxy.connections]
assert info == [
"<AsyncSocks5Connection ['https://example.com:443', HTTP/1.1, ACTIVE, Request Count: 1]>"
]
await response.aread()
assert response.status == 200
assert response.content == b"Hello, world!"
info = [repr(c) for c in proxy.connections]
assert info == [
"<AsyncSocks5Connection ['https://example.com:443', HTTP/1.1, IDLE, Request Count: 1]>"
]
assert proxy.connections[0].is_idle()
assert proxy.connections[0].is_available()
assert not proxy.connections[0].is_closed()
# A connection on a tunneled proxy can only handle HTTPS requests to the same origin.
assert not proxy.connections[0].can_handle_request(
httpcore.Origin(b"http", b"example.com", 80)
)
assert not proxy.connections[0].can_handle_request(
httpcore.Origin(b"http", b"other.com", 80)
)
assert proxy.connections[0].can_handle_request(
httpcore.Origin(b"https", b"example.com", 443)
)
assert not proxy.connections[0].can_handle_request(
httpcore.Origin(b"https", b"other.com", 443)
)
@pytest.mark.anyio
async def test_authenticated_socks5_request():
"""
Send an HTTP request via a SOCKS proxy.
"""
network_backend = httpcore.AsyncMockBackend(
[
# The initial socks CONNECT
# v5 USERNAME/PASSWORD
b"\x05\x02",
# v1 VALID USERNAME/PASSWORD
b"\x01\x00",
# v5 SUC RSV IP4 127 .0 .0 .1 :80
b"\x05\x00\x00\x01\xff\x00\x00\x01\x00\x50",
# The actual response from the remote server
b"HTTP/1.1 200 OK\r\n",
b"Content-Type: plain/text\r\n",
b"Content-Length: 13\r\n",
b"\r\n",
b"Hello, world!",
]
)
async with httpcore.AsyncConnectionPool(
proxy=httpcore.Proxy(
url="socks5://localhost:8080/",
auth=(b"username", b"password"),
),
network_backend=network_backend,
) as proxy:
# Sending an intial request, which once complete will return to the pool, IDLE.
async with proxy.stream("GET", "https://example.com/") as response:
info = [repr(c) for c in proxy.connections]
assert info == [
"<AsyncSocks5Connection ['https://example.com:443', HTTP/1.1, ACTIVE, Request Count: 1]>"
]
await response.aread()
assert response.status == 200
assert response.content == b"Hello, world!"
info = [repr(c) for c in proxy.connections]
assert info == [
"<AsyncSocks5Connection ['https://example.com:443', HTTP/1.1, IDLE, Request Count: 1]>"
]
assert proxy.connections[0].is_idle()
assert proxy.connections[0].is_available()
assert not proxy.connections[0].is_closed()
@pytest.mark.anyio
async def test_socks5_request_connect_failed():
"""
Attempt to send an HTTP request via a SOCKS proxy, resulting in a connect failure.
"""
network_backend = httpcore.AsyncMockBackend(
[
# The initial socks CONNECT
# v5 NOAUTH
b"\x05\x00",
# v5 NO RSV IP4 0 .0 .0 .0 :00
b"\x05\x05\x00\x01\x00\x00\x00\x00\x00\x00",
]
)
async with httpcore.AsyncConnectionPool(
proxy=httpcore.Proxy("socks5://localhost:8080/"),
network_backend=network_backend,
) as proxy:
# Sending a request, which the proxy rejects
with pytest.raises(httpcore.ProxyError) as exc_info:
await proxy.request("GET", "https://example.com/")
assert (
str(exc_info.value) == "Proxy Server could not connect: Connection refused."
)
assert not proxy.connections
@pytest.mark.anyio
async def test_socks5_request_failed_to_provide_auth():
"""
Attempt to send an HTTP request via an authenticated SOCKS proxy,
without providing authentication credentials.
"""
network_backend = httpcore.AsyncMockBackend(
[
# v5 USERNAME/PASSWORD
b"\x05\x02",
]
)
async with httpcore.AsyncConnectionPool(
proxy=httpcore.Proxy("socks5://localhost:8080/"),
network_backend=network_backend,
) as proxy:
# Sending a request, which the proxy rejects
with pytest.raises(httpcore.ProxyError) as exc_info:
await proxy.request("GET", "https://example.com/")
assert (
str(exc_info.value)
== "Requested NO AUTHENTICATION REQUIRED from proxy server, but got USERNAME/PASSWORD."
)
assert not proxy.connections
@pytest.mark.anyio
async def test_socks5_request_incorrect_auth():
"""
Attempt to send an HTTP request via an authenticated SOCKS proxy,
wit incorrect authentication credentials.
"""
network_backend = httpcore.AsyncMockBackend(
[
# v5 USERNAME/PASSWORD
b"\x05\x02",
# v1 INVALID USERNAME/PASSWORD
b"\x01\x01",
]
)
async with httpcore.AsyncConnectionPool(
proxy=httpcore.Proxy(
url="socks5://localhost:8080/",
auth=(b"invalid", b"invalid"),
),
network_backend=network_backend,
) as proxy:
# Sending a request, which the proxy rejects
with pytest.raises(httpcore.ProxyError) as exc_info:
await proxy.request("GET", "https://example.com/")
assert str(exc_info.value) == "Invalid username/password"
assert not proxy.connections
|
