feat: Anmeldung abschaltbar (vertraute Netze oder ganz); Doku 0.5.0

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/test_auth_modes.py

@@ -0,0 +1,114 @@
+"""0.5.0: Anmeldung abschaltbar – immer / nicht aus vertrauenswürdigen Netzen / nie."""
+
+from __future__ import annotations
+
+from typing import Any
+
+import pytest
+from fastapi.testclient import TestClient
+
+from netmover.settings_store import load_settings
+from netmover.web.auth import includes_loopback, parse_networks
+from tests.webutil import PASSWORD, csrf_of, post
+
+
+def _set_mode(client: TestClient, mode: str, nets: str = "", current: str = PASSWORD) -> Any:
+    return post(
+        client, "/settings/auth", {"auth_mode": mode, "trusted_networks": nets, "current": current}
+    )
+
+
+def _other(client: TestClient, host: str) -> TestClient:
+    """Weiterer Client für dieselbe App (ohne eigenen Lebenszyklus) mit fester Adresse."""
+    return TestClient(client.app, follow_redirects=False, client=(host, 51000))
+
+
+@pytest.fixture
+def lan_client(client: TestClient) -> TestClient:
+    return _other(client, "10.0.10.50")
+
+
+def test_default_requires_login(client: TestClient, lan_client: TestClient) -> None:
+    assert lan_client.get("/").status_code == 303
+
+
+def test_mode_change_needs_current_password(client: TestClient, state: Any) -> None:
+    _set_mode(client, "off", current="falsch")
+    assert load_settings(state.session_factory).auth_mode == "always"
+    assert "Aktuelles Passwort falsch" in client.get("/settings").text
+
+
+def test_trusted_networks(
+    client: TestClient, lan_client: TestClient, settings: Any, state: Any
+) -> None:
+    _set_mode(client, "trusted", "10.0.10.0/24")
+    r = lan_client.get("/")
+    assert r.status_code == 200 and "ohne Anmeldung (vertrautes Netz)" in r.text
+    assert "Abmelden" not in r.text
+    assert lan_client.get("/login").headers["location"] == "/"
+    # CSRF gilt weiterhin
+    assert lan_client.post("/maintenance").status_code == 403
+    token = csrf_of(lan_client.get("/").text)
+    assert lan_client.post("/maintenance", data={"csrf_token": token}).status_code == 303
+    # andere Netze brauchen weiter das Passwort
+    assert _other(client, "192.168.5.5").get("/").status_code == 303
+
+
+def test_off_and_back_on(client: TestClient, lan_client: TestClient) -> None:
+    _set_mode(client, "off")
+    r = lan_client.get("/rules")
+    assert r.status_code == 200 and "ohne Anmeldung" in r.text
+    token = csrf_of(r.text)
+    lan_client.post(
+        "/settings/auth",
+        data={
+            "csrf_token": token,
+            "auth_mode": "always",
+            "trusted_networks": "",
+            "current": PASSWORD,
+        },
+    )
+    assert lan_client.get("/").status_code == 303
+
+
+def test_setup_still_required_without_password(raw_client: TestClient, state: Any) -> None:
+    from netmover.settings_store import save_settings
+
+    cfg = load_settings(state.session_factory)
+    cfg.auth_mode = "off"
+    save_settings(state.session_factory, cfg)
+    assert raw_client.get("/").headers["location"] == "/setup"
+
+
+def test_validation(client: TestClient, state: Any) -> None:
+    _set_mode(client, "trusted", "")
+    assert "mindestens ein" in client.get("/settings").text
+    _set_mode(client, "trusted", "10.0.10.0/24, quatsch")
+    assert "kein gültiges Netz" in client.get("/settings").text
+    assert load_settings(state.session_factory).auth_mode == "always"
+    _set_mode(client, "trusted", "127.0.0.1")
+    assert "jede</strong> Anfrage über den Proxy" in client.get("/settings").text
+
+
+def test_network_parsing() -> None:
+    nets = parse_networks("10.0.10.0/24; 192.168.1.20 fe80::/10")
+    assert [str(n) for n in nets] == ["10.0.10.0/24", "192.168.1.20/32", "fe80::/10"]
+    assert includes_loopback("10.0.0.0/8, 127.0.0.0/8") and not includes_loopback("10.0.0.0/8")
+    with pytest.raises(ValueError):
+        parse_networks("10.0.0.0/33")
+
+
+def test_reset_password_turns_login_back_on(
+    state: Any, settings: Any, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    from netmover import cli
+    from netmover.settings_store import save_settings
+    from netmover.web.auth import set_password
+
+    set_password(state.session_factory, PASSWORD)
+    cfg = load_settings(state.session_factory)
+    cfg.auth_mode = "off"
+    save_settings(state.session_factory, cfg)
+    monkeypatch.setattr(cli, "get_settings", lambda: settings)
+    assert cli.main(["reset-password"]) == 0
+    assert load_settings(state.session_factory).auth_mode == "always"