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- backend/auth/mfa.py: TOTP (pyotp), recovery codes SHA-256 - Login flow: mfa_required → totp/verify → token (ou recovery) - 6 nouveaux endpoints /api/auth/mfa/* - Frontend: QR code setup, 6-digit auto-submit, recovery codes - Settings: section Sécurité avec enable/disable MFA - CSS: mfa-challenge, setup-card, recovery-list, badges - i18n: 36 nouvelles clés EN/FR - pyotp ajouté aux dépendances - 30 tests (TOTP, recovery, API endpoints, login flow) - 439 tests passent au total
354 lines
13 KiB
Python
354 lines
13 KiB
Python
"""Tests for MFA (Multi-Factor Authentication) — TOTP + recovery codes."""
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import asyncio
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import json
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import os
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import shutil
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import tempfile
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import time
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from pathlib import Path
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import pyotp
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import pytest
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from backend.auth.mfa import (
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TOTP_ISSUER,
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generate_qr_uri,
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generate_recovery_codes,
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generate_secret,
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hash_recovery_code,
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verify_recovery_code,
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verify_totp,
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)
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# ── Unit tests: TOTP ───────────────────────────────────────────────────
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class TestTotpGeneration:
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def test_generate_secret_returns_base32(self):
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secret = generate_secret()
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assert isinstance(secret, str)
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assert len(secret) >= 16
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import base64
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base64.b32decode(secret, casefold=True)
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def test_generate_secret_unique(self):
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secrets = {generate_secret() for _ in range(100)}
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assert len(secrets) == 100
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def test_generate_qr_uri_format(self):
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secret = generate_secret()
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uri = generate_qr_uri(secret, "testuser")
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assert uri.startswith("otpauth://totp/")
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assert "ObsiGate" in uri
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assert "testuser" in uri
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assert "secret=" in uri
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def test_generate_qr_uri_custom_issuer(self):
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secret = generate_secret()
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uri = generate_qr_uri(secret, "testuser", issuer="CustomIssuer")
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assert "CustomIssuer" in uri
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def test_verify_totp_valid(self):
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secret = generate_secret()
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totp = pyotp.TOTP(secret)
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code = totp.now()
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assert verify_totp(secret, code) is True
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def test_verify_totp_invalid(self):
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secret = generate_secret()
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assert verify_totp(secret, "000000") is False
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def test_verify_totp_wrong_secret(self):
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secret1 = generate_secret()
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secret2 = generate_secret()
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totp1 = pyotp.TOTP(secret1)
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code = totp1.now()
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assert verify_totp(secret2, code) is False
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def test_verify_totp_window_tolerance(self):
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secret = generate_secret()
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totp = pyotp.TOTP(secret)
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current_time = time.time()
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code = totp.at(int(current_time))
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assert verify_totp(secret, str(code).zfill(6)) is True
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# ── Unit tests: Recovery codes ─────────────────────────────────────────
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class TestRecoveryCodes:
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def test_generate_count(self):
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codes = generate_recovery_codes()
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assert len(codes) == 8
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def test_generate_custom_count(self):
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codes = generate_recovery_codes(n=12)
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assert len(codes) == 12
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def test_code_format(self):
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codes = generate_recovery_codes()
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for code in codes:
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assert len(code) == 9 # XXXX-XXXX
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assert code[4] == "-"
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assert code[:4].isalnum()
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assert code[5:].isalnum()
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def test_codes_unique(self):
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codes = generate_recovery_codes(n=20)
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assert len(set(codes)) == 20
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def test_codes_uppercase(self):
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codes = generate_recovery_codes()
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for code in codes:
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assert code == code.upper()
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def test_hash_recovery_code_deterministic(self):
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code = "ABCD-1234"
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h1 = hash_recovery_code(code)
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h2 = hash_recovery_code(code)
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assert h1 == h2
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def test_hash_case_insensitive(self):
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h1 = hash_recovery_code("abcd-1234")
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h2 = hash_recovery_code("ABCD-1234")
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assert h1 == h2
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def test_hash_different_for_different_codes(self):
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h1 = hash_recovery_code("AAAA-AAAA")
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h2 = hash_recovery_code("BBBB-BBBB")
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assert h1 != h2
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def test_verify_recovery_code_match(self):
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codes = generate_recovery_codes()
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hashed = [hash_recovery_code(c) for c in codes]
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for i, code in enumerate(codes):
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idx = verify_recovery_code(code, hashed)
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assert idx == i
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def test_verify_recovery_code_case_insensitive(self):
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codes = ["ABCD-1234"]
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hashed = [hash_recovery_code(c) for c in codes]
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assert verify_recovery_code("abcd-1234", hashed) == 0
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def test_verify_recovery_code_invalid(self):
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codes = generate_recovery_codes()
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hashed = [hash_recovery_code(c) for c in codes]
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assert verify_recovery_code("ZZZZ-ZZZZ", hashed) is None
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def test_verify_recovery_code_empty_list(self):
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assert verify_recovery_code("AAAA-AAAA", []) is None
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def test_recovery_code_single_use(self):
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codes = generate_recovery_codes(n=3)
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hashed = [hash_recovery_code(c) for c in codes]
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idx = verify_recovery_code(codes[0], hashed)
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assert idx == 0
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hashed.pop(idx)
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assert verify_recovery_code(codes[0], hashed) is None
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idx2 = verify_recovery_code(codes[1], hashed)
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assert idx2 == 0
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# ── Integration tests: MFA API endpoints ───────────────────────────────
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@pytest.fixture
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def mfa_client():
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"""Create a TestClient with auth enabled, isolated temp data."""
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tmp = Path(tempfile.mkdtemp())
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data_dir = tmp / "data"
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data_dir.mkdir()
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from backend.auth.password import hash_password
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pw_hash = hash_password("TestPass123!")
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users = {
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"version": 1,
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"users": {
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"testuser": {
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"id": "testuser-1",
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"username": "testuser",
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"display_name": "Test User",
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"password_hash": pw_hash,
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"role": "admin",
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"vaults": ["*"],
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"active": True,
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"created_at": "2026-01-01T00:00:00",
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}
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}
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}
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(data_dir / "users.json").write_text(json.dumps(users), encoding="utf-8")
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src_secret = Path("data/secret.key")
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if src_secret.exists():
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shutil.copy2(str(src_secret), str(data_dir / "secret.key"))
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orig_cwd = os.getcwd()
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test_vault_path = os.path.abspath("test-vault")
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os.chdir(str(tmp))
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os.environ["VAULT_1_NAME"] = "TestVault"
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os.environ["VAULT_1_PATH"] = test_vault_path
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os.environ["OBSIGATE_AUTH_ENABLED"] = "true"
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os.environ["OBSIGATE_ADMIN_USER"] = "testuser"
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os.environ["OBSIGATE_ADMIN_PASSWORD"] = "TestPass123!"
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os.environ["OBSIGATE_WATCHER_ENABLED"] = "false"
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import backend.main
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backend.main._load_config = lambda: {"watcher_enabled": False}
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from backend.main import app
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from backend.indexer import build_index, index
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for key in list(index.keys()):
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del index[key]
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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loop.run_until_complete(build_index())
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from backend.search import init_inverted_index
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init_inverted_index()
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from fastapi.testclient import TestClient
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client = TestClient(app)
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yield client
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if hasattr(client, 'close'):
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client.close()
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loop.run_until_complete(asyncio.sleep(0))
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os.chdir(orig_cwd)
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shutil.rmtree(str(tmp), ignore_errors=True)
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for k in ["VAULT_1_NAME", "VAULT_1_PATH", "OBSIGATE_AUTH_ENABLED",
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"OBSIGATE_ADMIN_USER", "OBSIGATE_ADMIN_PASSWORD", "OBSIGATE_WATCHER_ENABLED"]:
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os.environ.pop(k, None)
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def _login(client, username="testuser", password="TestPass123!"):
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resp = client.post("/api/auth/login", json={"username": username, "password": password})
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return resp.json().get("access_token"), resp
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def _auth_headers(token):
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return {"Authorization": f"Bearer {token}"}
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class TestMfaApiEndpoints:
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def test_mfa_status_initially_disabled(self, mfa_client):
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token, _ = _login(mfa_client)
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resp = mfa_client.get("/api/auth/mfa/status", headers=_auth_headers(token))
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assert resp.status_code == 200
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assert resp.json()["mfa_enabled"] is False
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def test_mfa_setup_generates_secret(self, mfa_client):
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token, _ = _login(mfa_client)
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resp = mfa_client.post("/api/auth/mfa/totp/setup", headers=_auth_headers(token))
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assert resp.status_code == 200
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data = resp.json()
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assert "secret" in data
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assert "otpauth_uri" in data
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assert "otpauth://totp/" in data["otpauth_uri"]
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assert len(data["secret"]) >= 16
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def test_mfa_enable_flow(self, mfa_client):
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token, _ = _login(mfa_client)
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headers = _auth_headers(token)
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# Setup
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setup_resp = mfa_client.post("/api/auth/mfa/totp/setup", headers=headers)
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secret = setup_resp.json()["secret"]
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totp = pyotp.TOTP(secret)
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# Enable
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enable_resp = mfa_client.post("/api/auth/mfa/totp/enable", headers=headers, json={
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"code": totp.now(),
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})
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assert enable_resp.status_code == 200
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data = enable_resp.json()
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assert "recovery_codes" in data
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assert len(data["recovery_codes"]) == 8
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assert data["mfa_enabled"] is True
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def test_mfa_enable_invalid_code(self, mfa_client):
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token, _ = _login(mfa_client)
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headers = _auth_headers(token)
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mfa_client.post("/api/auth/mfa/totp/setup", headers=headers)
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resp = mfa_client.post("/api/auth/mfa/totp/enable", headers=headers, json={
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"code": "000000",
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})
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assert resp.status_code in (400, 401)
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def test_mfa_login_defers_to_totp(self, mfa_client):
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token, _ = _login(mfa_client)
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headers = _auth_headers(token)
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# Enable MFA
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setup_resp = mfa_client.post("/api/auth/mfa/totp/setup", headers=headers)
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secret = setup_resp.json()["secret"]
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totp = pyotp.TOTP(secret)
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mfa_client.post("/api/auth/mfa/totp/enable", headers=headers, json={"code": totp.now()})
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# Login again — should require MFA
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login_resp = mfa_client.post("/api/auth/login", json={
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"username": "testuser", "password": "TestPass123!",
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})
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assert login_resp.status_code == 200
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data = login_resp.json()
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assert data.get("mfa_required") is True
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assert data.get("mfa_method") == "totp"
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assert "access_token" not in data
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def test_mfa_verify_issues_token(self, mfa_client):
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token, _ = _login(mfa_client)
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headers = _auth_headers(token)
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setup_resp = mfa_client.post("/api/auth/mfa/totp/setup", headers=headers)
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secret = setup_resp.json()["secret"]
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totp = pyotp.TOTP(secret)
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mfa_client.post("/api/auth/mfa/totp/enable", headers=headers, json={"code": totp.now()})
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# Login → MFA challenge
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mfa_client.post("/api/auth/login", json={"username": "testuser", "password": "TestPass123!"})
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# Verify TOTP
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verify_resp = mfa_client.post("/api/auth/mfa/totp/verify", json={
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"username": "testuser", "code": totp.now(),
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})
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assert verify_resp.status_code == 200
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data = verify_resp.json()
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assert "access_token" in data
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assert data["token_type"] == "bearer"
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def test_mfa_recovery_login(self, mfa_client):
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token, _ = _login(mfa_client)
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headers = _auth_headers(token)
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setup_resp = mfa_client.post("/api/auth/mfa/totp/setup", headers=headers)
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secret = setup_resp.json()["secret"]
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totp = pyotp.TOTP(secret)
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enable_resp = mfa_client.post("/api/auth/mfa/totp/enable", headers=headers, json={"code": totp.now()})
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recovery_codes = enable_resp.json()["recovery_codes"]
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# Login → MFA challenge
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mfa_client.post("/api/auth/login", json={"username": "testuser", "password": "TestPass123!"})
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# Use recovery code
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recover_resp = mfa_client.post("/api/auth/mfa/recovery", json={
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"username": "testuser", "recovery_code": recovery_codes[0],
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})
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assert recover_resp.status_code == 200
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assert "access_token" in recover_resp.json()
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def test_mfa_disable_flow(self, mfa_client):
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token, _ = _login(mfa_client)
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headers = _auth_headers(token)
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setup_resp = mfa_client.post("/api/auth/mfa/totp/setup", headers=headers)
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secret = setup_resp.json()["secret"]
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totp = pyotp.TOTP(secret)
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mfa_client.post("/api/auth/mfa/totp/enable", headers=headers, json={"code": totp.now()})
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# Disable
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disable_resp = mfa_client.post("/api/auth/mfa/totp/disable", headers=headers, json={
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"password": "TestPass123!", "code": totp.now(),
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})
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assert disable_resp.status_code == 200
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# Verify disabled
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status_resp = mfa_client.get("/api/auth/mfa/status", headers=headers)
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assert status_resp.json()["mfa_enabled"] is False
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def test_login_without_mfa_still_works(self, mfa_client):
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login_resp = mfa_client.post("/api/auth/login", json={
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"username": "testuser", "password": "TestPass123!",
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})
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assert login_resp.status_code == 200
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data = login_resp.json()
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assert "access_token" in data
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assert data.get("mfa_required") is None
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