242 lines
9.1 KiB
Python
242 lines
9.1 KiB
Python
"""Tests for auth_service."""
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from __future__ import annotations
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import asyncio
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import inspect
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from pathlib import Path
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import aiosqlite
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import pytest
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from app.db import init_db
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from app.services import auth_service, setup_service
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@pytest.fixture
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async def db(tmp_path: Path) -> aiosqlite.Connection: # type: ignore[misc]
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"""Provide an initialised DB with setup already complete."""
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conn: aiosqlite.Connection = await aiosqlite.connect(str(tmp_path / "auth.db"))
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conn.row_factory = aiosqlite.Row
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await init_db(conn)
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# Pre-run setup so auth operations have a password hash to check.
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await setup_service.run_setup(
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conn,
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master_password="correctpassword1",
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database_path=str(tmp_path / "auth.db"),
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fail2ban_socket="/var/run/fail2ban/fail2ban.sock",
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timezone="UTC",
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session_duration_minutes=60,
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)
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yield conn
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await conn.close()
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@pytest.fixture
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async def db_no_setup(tmp_path: Path) -> aiosqlite.Connection: # type: ignore[misc]
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"""Provide an initialised DB with no setup performed."""
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conn: aiosqlite.Connection = await aiosqlite.connect(str(tmp_path / "auth_nosetup.db"))
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conn.row_factory = aiosqlite.Row
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await init_db(conn)
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yield conn
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await conn.close()
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class TestCheckPasswordAsync:
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async def test_check_password_is_coroutine_function(self) -> None:
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"""_check_password must be a coroutine function (runs in thread executor)."""
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assert inspect.iscoroutinefunction(auth_service._check_password) # noqa: SLF001
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async def test_check_password_returns_true_on_match(self) -> None:
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"""_check_password returns True for a matching plain/hash pair."""
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import bcrypt
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hashed = bcrypt.hashpw(b"secret", bcrypt.gensalt()).decode()
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result = await auth_service._check_password("secret", hashed) # noqa: SLF001
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assert result is True
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async def test_check_password_returns_false_on_mismatch(self) -> None:
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"""_check_password returns False when the password does not match."""
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import bcrypt
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hashed = bcrypt.hashpw(b"secret", bcrypt.gensalt()).decode()
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result = await auth_service._check_password("wrong", hashed) # noqa: SLF001
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assert result is False
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async def test_check_password_does_not_block_event_loop(self) -> None:
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"""_check_password awaits without blocking; event-loop tasks can interleave."""
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import bcrypt
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hashed = bcrypt.hashpw(b"secret", bcrypt.gensalt()).decode()
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# Running two concurrent checks must complete without deadlock.
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results = await asyncio.gather(
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auth_service._check_password("secret", hashed), # noqa: SLF001
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auth_service._check_password("wrong", hashed), # noqa: SLF001
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)
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assert tuple(results) == (True, False)
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class TestLogin:
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async def test_login_returns_signed_token_on_correct_password(
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self, db: aiosqlite.Connection
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) -> None:
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"""login() returns a signed token and expiry on the correct password."""
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signed_token, expires_at = await auth_service.login(
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db,
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password="correctpassword1",
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session_duration_minutes=60,
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session_secret="test-secret",
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)
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assert signed_token
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assert "." in signed_token
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assert expires_at
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async def test_login_raises_on_wrong_password(
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self, db: aiosqlite.Connection
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) -> None:
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"""login() raises ValueError for an incorrect password."""
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with pytest.raises(ValueError, match="Incorrect password"):
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await auth_service.login(
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db,
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password="wrongpassword",
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session_duration_minutes=60,
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session_secret="test-secret",
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)
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async def test_login_raises_when_no_hash_configured(
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self, db_no_setup: aiosqlite.Connection
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) -> None:
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"""login() raises ValueError when setup has not been run."""
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with pytest.raises(ValueError, match="No password is configured"):
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await auth_service.login(
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db_no_setup,
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password="any",
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session_duration_minutes=60,
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session_secret="test-secret",
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)
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async def test_login_persists_session(self, db: aiosqlite.Connection) -> None:
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"""login() stores the session in the database."""
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from app.repositories import session_repo
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signed_token, _ = await auth_service.login(
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db,
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password="correctpassword1",
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session_duration_minutes=60,
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session_secret="test-secret",
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)
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raw_token = auth_service.unwrap_session_token(signed_token, "test-secret")
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stored = await session_repo.get_session(db, raw_token)
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assert stored is not None
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assert stored.token == raw_token
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class TestValidateSession:
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async def test_validate_returns_session_for_valid_token(
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self, db: aiosqlite.Connection
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) -> None:
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"""validate_session() returns the session for a valid token."""
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signed_token, _ = await auth_service.login(
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db,
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password="correctpassword1",
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session_duration_minutes=60,
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session_secret="test-secret",
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)
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raw_token = auth_service.unwrap_session_token(signed_token, "test-secret")
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validated = await auth_service.validate_session(db, raw_token)
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assert validated.token == raw_token
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async def test_validate_accepts_signed_token(
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self, db: aiosqlite.Connection
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) -> None:
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"""validate_session() accepts a token signed with the configured secret."""
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signed_token, _ = await auth_service.login(
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db,
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password="correctpassword1",
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session_duration_minutes=60,
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session_secret="test-secret",
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)
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validated = await auth_service.validate_session(
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db, signed_token, session_secret="test-secret"
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)
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raw_token = auth_service.unwrap_session_token(signed_token, "test-secret")
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assert validated.token == raw_token
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async def test_validate_rejects_tampered_signed_token(
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self, db: aiosqlite.Connection
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) -> None:
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"""validate_session() rejects signed tokens with an invalid signature."""
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signed_token, _ = await auth_service.login(
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db,
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password="correctpassword1",
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session_duration_minutes=60,
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session_secret="test-secret",
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)
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tampered_token = signed_token[:-1] + ("0" if signed_token[-1] != "0" else "1")
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with pytest.raises(ValueError, match="invalid"):
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await auth_service.validate_session(
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db, tampered_token, session_secret="test-secret"
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)
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async def test_validate_raises_for_unknown_token(
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self, db: aiosqlite.Connection
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) -> None:
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"""validate_session() raises ValueError for a non-existent token."""
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with pytest.raises(ValueError, match="not found"):
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await auth_service.validate_session(db, "deadbeef" * 8)
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async def test_validate_raises_for_expired_session(
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self, db: aiosqlite.Connection
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) -> None:
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"""validate_session() raises ValueError and removes an expired session."""
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from app.repositories import session_repo
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# Create a session that expired in the past.
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past_token = "expiredtoken01" * 4 # 56 chars, unique enough for tests
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await session_repo.create_session(
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db,
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token=past_token,
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created_at="2000-01-01T00:00:00+00:00",
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expires_at="2000-01-01T01:00:00+00:00",
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)
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with pytest.raises(ValueError, match="expired"):
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await auth_service.validate_session(db, past_token)
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# The expired session must have been deleted.
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assert await session_repo.get_session(db, past_token) is None
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class TestLogout:
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async def test_logout_removes_session(self, db: aiosqlite.Connection) -> None:
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"""logout() deletes the session so it can no longer be validated."""
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from app.repositories import session_repo
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signed_token, _ = await auth_service.login(
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db,
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password="correctpassword1",
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session_duration_minutes=60,
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session_secret="test-secret",
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)
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raw_token = auth_service.unwrap_session_token(signed_token, "test-secret")
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await auth_service.logout(db, raw_token)
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stored = await session_repo.get_session(db, raw_token)
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assert stored is None
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async def test_logout_accepts_signed_token(self, db: aiosqlite.Connection) -> None:
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"""logout() accepts a signed token and revokes the underlying raw session."""
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from app.repositories import session_repo
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signed_token, _ = await auth_service.login(
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db,
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password="correctpassword1",
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session_duration_minutes=60,
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session_secret="test-secret",
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)
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raw_token = auth_service.unwrap_session_token(signed_token, "test-secret")
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await auth_service.logout(db, signed_token, session_secret="test-secret")
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stored = await session_repo.get_session(db, raw_token)
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assert stored is None
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