netx/tests/test_webcrt_audit.py
oliver 8915455b52 Record WebCRT device login/commands and NE exec in operation audit.
Make session lifecycle and typed CLI lines searchable in audit_log with password redaction, and surface summaries plus device filters in the ops UI.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-09-01 21:36:44 +08:00

208 lines
7.6 KiB
Python

"""Tests for WebCRT / device operation audit (command lines + audit_log dual-write)."""
from __future__ import annotations
import unittest
from unittest.mock import MagicMock, patch
from netx_api.webcrt_channel import (
_DB_AUDIT_EVENTS,
_audit,
feed_command_line_buffer,
looks_like_password_prompt,
)
from netx_api.webcrt_session_model import WebcrtSession
class FeedCommandLineBufferTests(unittest.TestCase):
def test_enter_emits_line(self) -> None:
buf, lines = feed_command_line_buffer("", "display version\r")
self.assertEqual(buf, "")
self.assertEqual(lines, ["display version"])
def test_backspace(self) -> None:
buf, lines = feed_command_line_buffer("", "disX\x08play\n")
self.assertEqual(buf, "")
self.assertEqual(lines, ["display"])
def test_multiline_paste(self) -> None:
buf, lines = feed_command_line_buffer("", "a\nb\nc\n")
self.assertEqual(buf, "")
self.assertEqual(lines, ["a", "b", "c"])
def test_partial_stays_in_buffer(self) -> None:
buf, lines = feed_command_line_buffer("", "sho")
self.assertEqual(buf, "sho")
self.assertEqual(lines, [])
buf, lines = feed_command_line_buffer(buf, "w ver\n")
self.assertEqual(buf, "")
self.assertEqual(lines, ["show ver"])
def test_empty_line_skipped(self) -> None:
buf, lines = feed_command_line_buffer("", "\r\n")
self.assertEqual(buf, "")
self.assertEqual(lines, [])
def test_ctrl_c_clears(self) -> None:
buf, lines = feed_command_line_buffer("half", "\x03show\n")
self.assertEqual(buf, "")
self.assertEqual(lines, ["show"])
def test_truncates_long_line(self) -> None:
long = "x" * 600
buf, lines = feed_command_line_buffer("", long + "\n", max_line=512)
self.assertEqual(buf, "")
self.assertEqual(len(lines), 1)
self.assertEqual(len(lines[0]), 512)
class PasswordPromptTests(unittest.TestCase):
def test_detects_password_prompt(self) -> None:
self.assertTrue(looks_like_password_prompt("Password:"))
self.assertTrue(looks_like_password_prompt("Please enter password:"))
self.assertTrue(looks_like_password_prompt("请输入密码:"))
self.assertFalse(looks_like_password_prompt("<SW>"))
self.assertFalse(looks_like_password_prompt("Username:"))
class AuditDualWriteTests(unittest.TestCase):
def test_db_events_set(self) -> None:
self.assertIn("session_created", _DB_AUDIT_EVENTS)
self.assertIn("command", _DB_AUDIT_EVENTS)
self.assertNotIn("session_attached", _DB_AUDIT_EVENTS)
@patch("netx_api.webcrt_channel.webcrt_data_root")
@patch("netx_api.audit_async.enqueue_audit")
def test_lifecycle_enqueues_audit_log(self, mock_enq: MagicMock, mock_root: MagicMock) -> None:
root = MagicMock()
path = MagicMock()
mock_root.return_value = root
root.__truediv__ = MagicMock(return_value=path)
path.open = MagicMock()
fh = MagicMock()
path.open.return_value.__enter__ = MagicMock(return_value=fh)
path.open.return_value.__exit__ = MagicMock(return_value=False)
_audit(
"session_created",
session_id="sid1",
ne_id="ne1",
ne_name="core-sw",
ne_ip="10.0.0.1",
protocol="ssh",
owner_user_id="u1",
owner_username="alice",
)
mock_enq.assert_called_once()
kwargs = mock_enq.call_args.kwargs
self.assertEqual(kwargs["action"], "webcrt.session_created")
self.assertEqual(kwargs["actor_username"], "alice")
self.assertEqual(kwargs["actor_user_id"], "u1")
self.assertEqual(kwargs["detail"]["ne_name"], "core-sw")
self.assertEqual(kwargs["detail"]["ne_ip"], "10.0.0.1")
@patch("netx_api.webcrt_channel.webcrt_data_root")
@patch("netx_api.audit_async.enqueue_audit")
def test_attach_does_not_enqueue(self, mock_enq: MagicMock, mock_root: MagicMock) -> None:
root = MagicMock()
path = MagicMock()
mock_root.return_value = root
root.__truediv__ = MagicMock(return_value=path)
path.open = MagicMock()
fh = MagicMock()
path.open.return_value.__enter__ = MagicMock(return_value=fh)
path.open.return_value.__exit__ = MagicMock(return_value=False)
_audit("session_attached", session_id="sid1", ne_id="ne1")
mock_enq.assert_not_called()
class SessionCommandAuditTests(unittest.TestCase):
@patch("netx_api.webcrt_session_model._audit")
def test_write_stdin_audits_completed_command(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
# Force write_channel path (no send).
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-cmd",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
owner_user_id="u1",
owner_username="bob",
conn=conn,
)
sess.write_stdin("display version\r")
mock_audit.assert_called()
event = mock_audit.call_args[0][0]
self.assertEqual(event, "command")
kwargs = mock_audit.call_args.kwargs
self.assertEqual(kwargs["command"], "display version")
self.assertEqual(kwargs["owner_username"], "bob")
self.assertEqual(kwargs["ne_name"], "lab")
self.assertFalse(kwargs["redacted"])
@patch("netx_api.webcrt_session_model._audit")
def test_password_mode_redacts_command(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-pw",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
conn=conn,
)
sess._note_stdout_for_audit("Password:")
self.assertTrue(sess._password_mode)
sess.write_stdin("secret-pass\r")
kwargs = mock_audit.call_args.kwargs
self.assertEqual(kwargs["command"], "***")
self.assertTrue(kwargs["redacted"])
self.assertFalse(sess._password_mode)
@patch("netx_api.webcrt_session_model._audit")
def test_post_login_source(self, mock_audit: MagicMock) -> None:
conn = MagicMock()
conn.RETURN = "\n"
conn.remote_conn = MagicMock(spec=["recv_ready", "recv", "exit_status_ready", "resize_pty"])
del conn.remote_conn.send
conn.write_channel = MagicMock()
sess = WebcrtSession(
session_id="s-pl",
ne_id="ne1",
ne_name="lab",
ne_ip="1.2.3.4",
protocol="ssh",
cols=80,
rows=24,
cli_keymap=False,
conn=conn,
post_login_commands=["screen-length 0 temporary"],
)
with patch("netx_api.webcrt_session_model.time.sleep"):
sess.run_post_login_commands()
kwargs = mock_audit.call_args.kwargs
self.assertEqual(kwargs["source"], "post_login")
self.assertEqual(kwargs["command"], "screen-length 0 temporary")
if __name__ == "__main__":
unittest.main()