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import pytest
from channels.generic.websocket import AsyncWebsocketConsumer
from channels.security.websocket import OriginValidator
from channels.testing import WebsocketCommunicator
@pytest.mark.django_db(transaction=True)
@pytest.mark.asyncio
async def test_origin_validator():
"""
Tests that OriginValidator correctly allows/denies connections.
"""
# Make our test application
application = OriginValidator(AsyncWebsocketConsumer(), ["allowed-domain.com"])
# Test a normal connection
communicator = WebsocketCommunicator(
application, "/", headers=[(b"origin", b"http://allowed-domain.com")]
)
connected, _ = await communicator.connect()
assert connected
await communicator.disconnect()
# Test a bad connection
communicator = WebsocketCommunicator(
application, "/", headers=[(b"origin", b"http://bad-domain.com")]
)
connected, _ = await communicator.connect()
assert not connected
await communicator.disconnect()
# Make our test application, bad pattern
application = OriginValidator(AsyncWebsocketConsumer(), ["*.allowed-domain.com"])
# Test a bad connection
communicator = WebsocketCommunicator(
application, "/", headers=[(b"origin", b"http://allowed-domain.com")]
)
connected, _ = await communicator.connect()
assert not connected
await communicator.disconnect()
# Make our test application, good pattern
application = OriginValidator(AsyncWebsocketConsumer(), [".allowed-domain.com"])
# Test a normal connection
communicator = WebsocketCommunicator(
application, "/", headers=[(b"origin", b"http://www.allowed-domain.com")]
)
connected, _ = await communicator.connect()
assert connected
await communicator.disconnect()
# Make our test application, with scheme://domain[:port] for http
application = OriginValidator(
AsyncWebsocketConsumer(), ["http://allowed-domain.com"]
)
# Test a normal connection
communicator = WebsocketCommunicator(
application, "/", headers=[(b"origin", b"http://allowed-domain.com")]
)
connected, _ = await communicator.connect()
assert connected
await communicator.disconnect()
# Test a bad connection
communicator = WebsocketCommunicator(
application, "/", headers=[(b"origin", b"https://bad-domain.com:443")]
)
connected, _ = await communicator.connect()
assert not connected
await communicator.disconnect()
# Make our test application, with all hosts allowed
application = OriginValidator(AsyncWebsocketConsumer(), ["*"])
# Test a connection without any headers
communicator = WebsocketCommunicator(application, "/", headers=[])
connected, _ = await communicator.connect()
assert connected
await communicator.disconnect()
# Make our test application, with no hosts allowed
application = OriginValidator(AsyncWebsocketConsumer(), [])
# Test a connection without any headers
communicator = WebsocketCommunicator(application, "/", headers=[])
connected, _ = await communicator.connect()
assert not connected
await communicator.disconnect()
# Test bug with subdomain and empty origin header
application = OriginValidator(AsyncWebsocketConsumer(), [".allowed-domain.com"])
communicator = WebsocketCommunicator(application, "/", headers=[(b"origin", b"")])
connected, _ = await communicator.connect()
assert not connected
await communicator.disconnect()
# Test bug with subdomain and invalid origin header
application = OriginValidator(AsyncWebsocketConsumer(), [".allowed-domain.com"])
communicator = WebsocketCommunicator(
application, "/", headers=[(b"origin", b"something-invalid")]
)
connected, _ = await communicator.connect()
assert not connected
await communicator.disconnect()
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