Lukas
0a73c49d01
- Wrap long dict literal in test_geo_service.py across multiple lines (E501) - Combine nested with statements in test_jail_service.py (SIM117) - Add vitest.config.ts to tsconfig.node.json include so ESLint parserOptions.project resolves it correctly
594 lines
23 KiB
Python
594 lines
23 KiB
Python
"""Tests for jail_service functions."""
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from __future__ import annotations
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from typing import Any
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from unittest.mock import AsyncMock, patch
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import pytest
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from app.models.ban import ActiveBanListResponse
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from app.models.jail import JailDetailResponse, JailListResponse
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from app.services import jail_service
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from app.services.jail_service import JailNotFoundError, JailOperationError
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from app.utils.fail2ban_client import Fail2BanConnectionError
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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_SOCKET = "/fake/fail2ban.sock"
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_JAIL_NAMES = "sshd, nginx"
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def _make_global_status(names: str = _JAIL_NAMES) -> tuple[int, list[Any]]:
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return (0, [("Number of jail", 2), ("Jail list", names)])
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def _make_short_status(
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banned: int = 2,
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total_banned: int = 10,
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failed: int = 3,
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total_failed: int = 20,
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) -> tuple[int, list[Any]]:
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return (
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0,
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[
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("Filter", [("Currently failed", failed), ("Total failed", total_failed)]),
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("Actions", [("Currently banned", banned), ("Total banned", total_banned)]),
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],
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)
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def _make_send(responses: dict[str, Any]) -> AsyncMock:
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"""Build an ``AsyncMock`` for ``Fail2BanClient.send``.
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Responses are keyed by the command joined with a pipe, e.g.
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``"status"`` or ``"status|sshd|short"``.
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"""
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async def _side_effect(command: list[Any]) -> Any:
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key = "|".join(str(c) for c in command)
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if key in responses:
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return responses[key]
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# Fall back to partial key matching.
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for resp_key, resp_value in responses.items():
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if key.startswith(resp_key):
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return resp_value
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raise KeyError(f"Unexpected command key {key!r}")
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return AsyncMock(side_effect=_side_effect)
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def _patch_client(responses: dict[str, Any]) -> Any:
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"""Return a ``patch`` context manager that mocks ``Fail2BanClient``."""
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mock_send = _make_send(responses)
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class _FakeClient:
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def __init__(self, **_kw: Any) -> None:
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self.send = mock_send
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return patch("app.services.jail_service.Fail2BanClient", _FakeClient)
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# ---------------------------------------------------------------------------
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# list_jails
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# ---------------------------------------------------------------------------
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class TestListJails:
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"""Unit tests for :func:`~app.services.jail_service.list_jails`."""
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async def test_returns_jail_list_response(self) -> None:
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"""list_jails returns a JailListResponse."""
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responses = {
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"status": _make_global_status("sshd"),
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"status|sshd|short": _make_short_status(),
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"get|sshd|bantime": (0, 600),
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"get|sshd|findtime": (0, 600),
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"get|sshd|maxretry": (0, 5),
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"get|sshd|backend": (0, "polling"),
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"get|sshd|idle": (0, False),
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}
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with _patch_client(responses):
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result = await jail_service.list_jails(_SOCKET)
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assert isinstance(result, JailListResponse)
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assert result.total == 1
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assert result.jails[0].name == "sshd"
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async def test_empty_jail_list(self) -> None:
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"""list_jails returns empty response when no jails are active."""
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responses = {"status": (0, [("Number of jail", 0), ("Jail list", "")])}
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with _patch_client(responses):
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result = await jail_service.list_jails(_SOCKET)
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assert result.total == 0
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assert result.jails == []
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async def test_jail_status_populated(self) -> None:
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"""list_jails populates JailStatus with failed/banned counters."""
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responses = {
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"status": _make_global_status("sshd"),
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"status|sshd|short": _make_short_status(banned=5, total_banned=50),
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"get|sshd|bantime": (0, 600),
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"get|sshd|findtime": (0, 600),
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"get|sshd|maxretry": (0, 5),
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"get|sshd|backend": (0, "polling"),
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"get|sshd|idle": (0, False),
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}
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with _patch_client(responses):
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result = await jail_service.list_jails(_SOCKET)
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jail = result.jails[0]
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assert jail.status is not None
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assert jail.status.currently_banned == 5
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assert jail.status.total_banned == 50
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async def test_jail_config_populated(self) -> None:
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"""list_jails populates ban_time, find_time, max_retry, backend."""
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responses = {
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"status": _make_global_status("sshd"),
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"status|sshd|short": _make_short_status(),
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"get|sshd|bantime": (0, 3600),
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"get|sshd|findtime": (0, 300),
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"get|sshd|maxretry": (0, 3),
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"get|sshd|backend": (0, "systemd"),
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"get|sshd|idle": (0, True),
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}
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with _patch_client(responses):
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result = await jail_service.list_jails(_SOCKET)
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jail = result.jails[0]
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assert jail.ban_time == 3600
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assert jail.find_time == 300
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assert jail.max_retry == 3
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assert jail.backend == "systemd"
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assert jail.idle is True
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async def test_multiple_jails_returned(self) -> None:
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"""list_jails fetches all jails listed in the global status."""
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responses = {
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"status": _make_global_status("sshd, nginx"),
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"status|sshd|short": _make_short_status(),
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"status|nginx|short": _make_short_status(banned=0),
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"get|sshd|bantime": (0, 600),
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"get|sshd|findtime": (0, 600),
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"get|sshd|maxretry": (0, 5),
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"get|sshd|backend": (0, "polling"),
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"get|sshd|idle": (0, False),
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"get|nginx|bantime": (0, 1800),
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"get|nginx|findtime": (0, 600),
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"get|nginx|maxretry": (0, 5),
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"get|nginx|backend": (0, "polling"),
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"get|nginx|idle": (0, False),
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}
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with _patch_client(responses):
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result = await jail_service.list_jails(_SOCKET)
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assert result.total == 2
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names = {j.name for j in result.jails}
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assert names == {"sshd", "nginx"}
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async def test_connection_error_propagates(self) -> None:
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"""list_jails raises Fail2BanConnectionError when socket unreachable."""
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async def _raise(*_: Any, **__: Any) -> None:
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raise Fail2BanConnectionError("no socket", _SOCKET)
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class _FailClient:
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def __init__(self, **_kw: Any) -> None:
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self.send = AsyncMock(side_effect=Fail2BanConnectionError("no socket", _SOCKET))
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with patch("app.services.jail_service.Fail2BanClient", _FailClient), pytest.raises(Fail2BanConnectionError):
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await jail_service.list_jails(_SOCKET)
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# ---------------------------------------------------------------------------
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# get_jail
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# ---------------------------------------------------------------------------
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class TestGetJail:
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"""Unit tests for :func:`~app.services.jail_service.get_jail`."""
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def _full_responses(self, name: str = "sshd") -> dict[str, Any]:
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return {
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f"status|{name}|short": _make_short_status(),
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f"get|{name}|logpath": (0, ["/var/log/auth.log"]),
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f"get|{name}|failregex": (0, ["^.*Failed.*from <HOST>"]),
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f"get|{name}|ignoreregex": (0, []),
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f"get|{name}|ignoreip": (0, ["127.0.0.1"]),
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f"get|{name}|datepattern": (0, None),
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f"get|{name}|logencoding": (0, "UTF-8"),
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f"get|{name}|bantime": (0, 600),
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f"get|{name}|findtime": (0, 600),
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f"get|{name}|maxretry": (0, 5),
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f"get|{name}|backend": (0, "polling"),
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f"get|{name}|idle": (0, False),
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f"get|{name}|actions": (0, ["iptables-multiport"]),
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}
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async def test_returns_jail_detail_response(self) -> None:
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"""get_jail returns a JailDetailResponse."""
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with _patch_client(self._full_responses()):
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result = await jail_service.get_jail(_SOCKET, "sshd")
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assert isinstance(result, JailDetailResponse)
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assert result.jail.name == "sshd"
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async def test_log_paths_parsed(self) -> None:
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"""get_jail populates log_paths from fail2ban."""
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with _patch_client(self._full_responses()):
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result = await jail_service.get_jail(_SOCKET, "sshd")
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assert result.jail.log_paths == ["/var/log/auth.log"]
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async def test_fail_regex_parsed(self) -> None:
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"""get_jail populates fail_regex list."""
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with _patch_client(self._full_responses()):
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result = await jail_service.get_jail(_SOCKET, "sshd")
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assert "^.*Failed.*from <HOST>" in result.jail.fail_regex
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async def test_ignore_ips_parsed(self) -> None:
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"""get_jail populates ignore_ips list."""
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with _patch_client(self._full_responses()):
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result = await jail_service.get_jail(_SOCKET, "sshd")
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assert "127.0.0.1" in result.jail.ignore_ips
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async def test_actions_parsed(self) -> None:
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"""get_jail populates actions list."""
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with _patch_client(self._full_responses()):
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result = await jail_service.get_jail(_SOCKET, "sshd")
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assert result.jail.actions == ["iptables-multiport"]
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async def test_jail_not_found_raises(self) -> None:
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"""get_jail raises JailNotFoundError when jail is unknown."""
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not_found_response = (1, Exception("Unknown jail: 'ghost'"))
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with _patch_client({r"status|ghost|short": not_found_response}), pytest.raises(JailNotFoundError):
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await jail_service.get_jail(_SOCKET, "ghost")
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# ---------------------------------------------------------------------------
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# Jail control commands
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# ---------------------------------------------------------------------------
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class TestJailControls:
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"""Unit tests for start, stop, idle, reload commands."""
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async def test_start_jail_success(self) -> None:
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"""start_jail sends the start command without error."""
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with _patch_client({"start|sshd": (0, None)}):
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await jail_service.start_jail(_SOCKET, "sshd") # should not raise
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async def test_stop_jail_success(self) -> None:
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"""stop_jail sends the stop command without error."""
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with _patch_client({"stop|sshd": (0, None)}):
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await jail_service.stop_jail(_SOCKET, "sshd") # should not raise
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async def test_set_idle_on(self) -> None:
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"""set_idle sends idle=on when on=True."""
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with _patch_client({"set|sshd|idle|on": (0, True)}):
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await jail_service.set_idle(_SOCKET, "sshd", on=True) # should not raise
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async def test_set_idle_off(self) -> None:
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"""set_idle sends idle=off when on=False."""
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with _patch_client({"set|sshd|idle|off": (0, True)}):
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await jail_service.set_idle(_SOCKET, "sshd", on=False) # should not raise
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async def test_reload_jail_success(self) -> None:
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"""reload_jail sends a reload command with a minimal start-stream."""
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with _patch_client({"reload|sshd|[]|[['start', 'sshd']]": (0, "OK")}):
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await jail_service.reload_jail(_SOCKET, "sshd") # should not raise
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async def test_reload_all_success(self) -> None:
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"""reload_all fetches jail names then sends reload --all with a start-stream."""
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with _patch_client(
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{
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"status": _make_global_status("sshd, nginx"),
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"reload|--all|[]|[['start', 'sshd'], ['start', 'nginx']]": (0, "OK"),
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}
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):
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await jail_service.reload_all(_SOCKET) # should not raise
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async def test_reload_all_no_jails_still_sends_reload(self) -> None:
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"""reload_all works with an empty jail list (sends an empty stream)."""
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with _patch_client(
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{
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"status": (0, [("Number of jail", 0), ("Jail list", "")]),
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"reload|--all|[]|[]": (0, "OK"),
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}
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):
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await jail_service.reload_all(_SOCKET) # should not raise
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async def test_start_not_found_raises(self) -> None:
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"""start_jail raises JailNotFoundError for unknown jail."""
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with _patch_client({"start|ghost": (1, Exception("Unknown jail: 'ghost'"))}), pytest.raises(JailNotFoundError):
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await jail_service.start_jail(_SOCKET, "ghost")
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async def test_stop_jail_already_stopped_is_noop(self) -> None:
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"""stop_jail silently succeeds when the jail is not found (idempotent)."""
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with _patch_client({"stop|sshd": (1, Exception("UnknownJailException('sshd')"))}):
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await jail_service.stop_jail(_SOCKET, "sshd") # should not raise
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async def test_stop_operation_error_raises(self) -> None:
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"""stop_jail raises JailOperationError on a non-not-found fail2ban error."""
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with _patch_client({"stop|sshd": (1, Exception("cannot stop"))}), pytest.raises(JailOperationError):
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await jail_service.stop_jail(_SOCKET, "sshd")
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# ---------------------------------------------------------------------------
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# ban_ip / unban_ip
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# ---------------------------------------------------------------------------
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class TestBanUnban:
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"""Unit tests for :func:`~app.services.jail_service.ban_ip` and
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:func:`~app.services.jail_service.unban_ip`.
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"""
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async def test_ban_ip_success(self) -> None:
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"""ban_ip sends the banip command for a valid IP."""
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with _patch_client({"set|sshd|banip|1.2.3.4": (0, 1)}):
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await jail_service.ban_ip(_SOCKET, "sshd", "1.2.3.4") # should not raise
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async def test_ban_ip_invalid_raises(self) -> None:
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"""ban_ip raises ValueError for a non-IP value."""
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with pytest.raises(ValueError, match="Invalid IP"):
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await jail_service.ban_ip(_SOCKET, "sshd", "not-an-ip")
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async def test_ban_ip_unknown_jail_exception_raises_jail_not_found(self) -> None:
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"""ban_ip raises JailNotFoundError when fail2ban returns UnknownJailException.
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fail2ban serialises the exception without a space (``UnknownJailException``
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rather than ``Unknown JailException``), so _is_not_found_error must match
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the concatenated form ``"unknownjail``".
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"""
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response = (1, Exception("UnknownJailException('blocklist-import')"))
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with (
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_patch_client({"set|missing-jail|banip|1.2.3.4": response}),
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pytest.raises(JailNotFoundError, match="missing-jail"),
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):
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await jail_service.ban_ip(_SOCKET, "missing-jail", "1.2.3.4")
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async def test_ban_ipv6_success(self) -> None:
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"""ban_ip accepts an IPv6 address."""
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with _patch_client({"set|sshd|banip|::1": (0, 1)}):
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await jail_service.ban_ip(_SOCKET, "sshd", "::1") # should not raise
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async def test_unban_ip_all_jails(self) -> None:
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"""unban_ip with jail=None uses the global unban command."""
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with _patch_client({"unban|1.2.3.4": (0, 1)}):
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await jail_service.unban_ip(_SOCKET, "1.2.3.4") # should not raise
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async def test_unban_ip_specific_jail(self) -> None:
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"""unban_ip with a jail sends the set unbanip command."""
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with _patch_client({"set|sshd|unbanip|1.2.3.4": (0, 1)}):
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await jail_service.unban_ip(_SOCKET, "1.2.3.4", jail="sshd") # should not raise
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async def test_unban_invalid_ip_raises(self) -> None:
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"""unban_ip raises ValueError for an invalid IP."""
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with pytest.raises(ValueError, match="Invalid IP"):
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await jail_service.unban_ip(_SOCKET, "bad-ip")
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# ---------------------------------------------------------------------------
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# get_active_bans
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# ---------------------------------------------------------------------------
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class TestGetActiveBans:
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"""Unit tests for :func:`~app.services.jail_service.get_active_bans`."""
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async def test_returns_active_ban_list_response(self) -> None:
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"""get_active_bans returns an ActiveBanListResponse."""
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responses = {
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"status": _make_global_status("sshd"),
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"get|sshd|banip|--with-time": (
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0,
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["1.2.3.4 \t2025-01-01 12:00:00 + 3600 = 2025-01-01 13:00:00"],
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),
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}
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with _patch_client(responses):
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result = await jail_service.get_active_bans(_SOCKET)
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assert isinstance(result, ActiveBanListResponse)
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assert result.total == 1
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assert result.bans[0].ip == "1.2.3.4"
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assert result.bans[0].jail == "sshd"
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async def test_empty_when_no_jails(self) -> None:
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"""get_active_bans returns empty list when no jails are active."""
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responses = {"status": (0, [("Number of jail", 0), ("Jail list", "")])}
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with _patch_client(responses):
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result = await jail_service.get_active_bans(_SOCKET)
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assert result.total == 0
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assert result.bans == []
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async def test_empty_when_no_bans(self) -> None:
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"""get_active_bans returns empty list when all jails have zero bans."""
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responses = {
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"status": _make_global_status("sshd"),
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"get|sshd|banip|--with-time": (0, []),
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}
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with _patch_client(responses):
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result = await jail_service.get_active_bans(_SOCKET)
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assert result.total == 0
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async def test_ban_time_parsed(self) -> None:
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"""get_active_bans populates banned_at and expires_at from the entry."""
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responses = {
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"status": _make_global_status("sshd"),
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"get|sshd|banip|--with-time": (
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0,
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["10.0.0.1 \t2025-03-01 08:00:00 + 7200 = 2025-03-01 10:00:00"],
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),
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}
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with _patch_client(responses):
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result = await jail_service.get_active_bans(_SOCKET)
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ban = result.bans[0]
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assert ban.banned_at is not None
|
|
assert "2025-03-01" in ban.banned_at
|
|
assert ban.expires_at is not None
|
|
assert "2025-03-01" in ban.expires_at
|
|
|
|
async def test_error_in_jail_tolerated(self) -> None:
|
|
"""get_active_bans skips a jail that errors during the ban-list fetch."""
|
|
responses = {
|
|
"status": _make_global_status("sshd, nginx"),
|
|
"get|sshd|banip|--with-time": (
|
|
0,
|
|
["1.2.3.4 \t2025-01-01 10:00:00 + 600 = 2025-01-01 10:10:00"],
|
|
),
|
|
"get|nginx|banip|--with-time": Fail2BanConnectionError("no nginx", _SOCKET),
|
|
}
|
|
|
|
async def _side(*args: Any) -> Any:
|
|
key = "|".join(str(a) for a in args[0])
|
|
resp = responses.get(key)
|
|
if isinstance(resp, Exception):
|
|
raise resp
|
|
if resp is None:
|
|
raise KeyError(f"Unexpected key {key!r}")
|
|
return resp
|
|
|
|
class _FakeClientPartial:
|
|
def __init__(self, **_kw: Any) -> None:
|
|
self.send = AsyncMock(side_effect=_side)
|
|
|
|
with patch("app.services.jail_service.Fail2BanClient", _FakeClientPartial):
|
|
result = await jail_service.get_active_bans(_SOCKET)
|
|
|
|
# Only sshd ban returned (nginx silently skipped)
|
|
assert result.total == 1
|
|
assert result.bans[0].jail == "sshd"
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Ignore list
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
class TestIgnoreList:
|
|
"""Unit tests for ignore list operations."""
|
|
|
|
async def test_get_ignore_list(self) -> None:
|
|
"""get_ignore_list returns a list of IP strings."""
|
|
with _patch_client({"get|sshd|ignoreip": (0, ["127.0.0.1", "10.0.0.0/8"])}):
|
|
result = await jail_service.get_ignore_list(_SOCKET, "sshd")
|
|
|
|
assert "127.0.0.1" in result
|
|
assert "10.0.0.0/8" in result
|
|
|
|
async def test_add_ignore_ip(self) -> None:
|
|
"""add_ignore_ip sends addignoreip for a valid CIDR."""
|
|
with _patch_client({"set|sshd|addignoreip|192.168.0.0/24": (0, "OK")}):
|
|
await jail_service.add_ignore_ip(_SOCKET, "sshd", "192.168.0.0/24")
|
|
|
|
async def test_add_ignore_ip_invalid_raises(self) -> None:
|
|
"""add_ignore_ip raises ValueError for an invalid CIDR."""
|
|
with pytest.raises(ValueError, match="Invalid IP"):
|
|
await jail_service.add_ignore_ip(_SOCKET, "sshd", "not-a-cidr")
|
|
|
|
async def test_del_ignore_ip(self) -> None:
|
|
"""del_ignore_ip sends delignoreip command."""
|
|
with _patch_client({"set|sshd|delignoreip|127.0.0.1": (0, "OK")}):
|
|
await jail_service.del_ignore_ip(_SOCKET, "sshd", "127.0.0.1")
|
|
|
|
async def test_get_ignore_self(self) -> None:
|
|
"""get_ignore_self returns a boolean."""
|
|
with _patch_client({"get|sshd|ignoreself": (0, True)}):
|
|
result = await jail_service.get_ignore_self(_SOCKET, "sshd")
|
|
|
|
assert result is True
|
|
|
|
async def test_set_ignore_self_on(self) -> None:
|
|
"""set_ignore_self sends ignoreself=true."""
|
|
with _patch_client({"set|sshd|ignoreself|true": (0, True)}):
|
|
await jail_service.set_ignore_self(_SOCKET, "sshd", on=True)
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# lookup_ip
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
class TestLookupIp:
|
|
"""Unit tests for :func:`~app.services.jail_service.lookup_ip`."""
|
|
|
|
async def test_basic_lookup(self) -> None:
|
|
"""lookup_ip returns currently_banned_in list."""
|
|
responses = {
|
|
"get|--all|banned|1.2.3.4": (0, []),
|
|
"status": _make_global_status("sshd"),
|
|
"get|sshd|banip": (0, ["1.2.3.4", "5.6.7.8"]),
|
|
}
|
|
with _patch_client(responses):
|
|
result = await jail_service.lookup_ip(_SOCKET, "1.2.3.4")
|
|
|
|
assert result["ip"] == "1.2.3.4"
|
|
assert "sshd" in result["currently_banned_in"]
|
|
|
|
async def test_invalid_ip_raises(self) -> None:
|
|
"""lookup_ip raises ValueError for invalid IP."""
|
|
with pytest.raises(ValueError, match="Invalid IP"):
|
|
await jail_service.lookup_ip(_SOCKET, "not-an-ip")
|
|
|
|
async def test_not_banned_returns_empty_list(self) -> None:
|
|
"""lookup_ip returns empty currently_banned_in when IP is not banned."""
|
|
responses = {
|
|
"get|--all|banned|9.9.9.9": (0, []),
|
|
"status": _make_global_status("sshd"),
|
|
"get|sshd|banip": (0, ["1.2.3.4"]),
|
|
}
|
|
with _patch_client(responses):
|
|
result = await jail_service.lookup_ip(_SOCKET, "9.9.9.9")
|
|
|
|
assert result["currently_banned_in"] == []
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# unban_all_ips
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
@pytest.mark.asyncio
|
|
class TestUnbanAllIps:
|
|
"""Tests for :func:`~app.services.jail_service.unban_all_ips`."""
|
|
|
|
async def test_unban_all_ips_returns_count(self) -> None:
|
|
"""unban_all_ips returns the integer count from fail2ban."""
|
|
responses = {"unban|--all": (0, 5)}
|
|
with _patch_client(responses):
|
|
count = await jail_service.unban_all_ips(_SOCKET)
|
|
|
|
assert count == 5
|
|
|
|
async def test_unban_all_ips_returns_zero_when_none_banned(self) -> None:
|
|
"""unban_all_ips returns 0 when no IPs are currently banned."""
|
|
responses = {"unban|--all": (0, 0)}
|
|
with _patch_client(responses):
|
|
count = await jail_service.unban_all_ips(_SOCKET)
|
|
|
|
assert count == 0
|
|
|
|
async def test_unban_all_ips_raises_on_connection_error(self) -> None:
|
|
"""unban_all_ips propagates Fail2BanConnectionError."""
|
|
with (
|
|
patch(
|
|
"app.services.jail_service.Fail2BanClient",
|
|
side_effect=Fail2BanConnectionError("unreachable", _SOCKET),
|
|
),
|
|
pytest.raises(Fail2BanConnectionError),
|
|
):
|
|
await jail_service.unban_all_ips(_SOCKET)
|