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|
import pytest
import httpcore
def test_socks5_request():
"""
Send an HTTP request via a SOCKS proxy.
"""
network_backend = httpcore.MockBackend(
[
# 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!",
]
)
with httpcore.ConnectionPool(
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.
with proxy.stream("GET", "https://example.com/") as response:
info = [repr(c) for c in proxy.connections]
assert info == [
"<Socks5Connection ['https://example.com:443', HTTP/1.1, ACTIVE, Request Count: 1]>"
]
response.read()
assert response.status == 200
assert response.content == b"Hello, world!"
info = [repr(c) for c in proxy.connections]
assert info == [
"<Socks5Connection ['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)
)
def test_authenticated_socks5_request():
"""
Send an HTTP request via a SOCKS proxy.
"""
network_backend = httpcore.MockBackend(
[
# 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!",
]
)
with httpcore.ConnectionPool(
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.
with proxy.stream("GET", "https://example.com/") as response:
info = [repr(c) for c in proxy.connections]
assert info == [
"<Socks5Connection ['https://example.com:443', HTTP/1.1, ACTIVE, Request Count: 1]>"
]
response.read()
assert response.status == 200
assert response.content == b"Hello, world!"
info = [repr(c) for c in proxy.connections]
assert info == [
"<Socks5Connection ['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()
def test_socks5_request_connect_failed():
"""
Attempt to send an HTTP request via a SOCKS proxy, resulting in a connect failure.
"""
network_backend = httpcore.MockBackend(
[
# 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",
]
)
with httpcore.ConnectionPool(
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:
proxy.request("GET", "https://example.com/")
assert (
str(exc_info.value) == "Proxy Server could not connect: Connection refused."
)
assert not proxy.connections
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.MockBackend(
[
# v5 USERNAME/PASSWORD
b"\x05\x02",
]
)
with httpcore.ConnectionPool(
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:
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
def test_socks5_request_incorrect_auth():
"""
Attempt to send an HTTP request via an authenticated SOCKS proxy,
wit incorrect authentication credentials.
"""
network_backend = httpcore.MockBackend(
[
# v5 USERNAME/PASSWORD
b"\x05\x02",
# v1 INVALID USERNAME/PASSWORD
b"\x01\x01",
]
)
with httpcore.ConnectionPool(
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:
proxy.request("GET", "https://example.com/")
assert str(exc_info.value) == "Invalid username/password"
assert not proxy.connections
|
