phase0a: 8/8 cross-tenant security tests passing — visibility defense-in-depth, RLS, entity permissions all verified
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§§include(/a0/usr/workdir/leocrm-fix/tests/test_cross_tenant_security.py)
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"""Standalone Cross-Tenant Security Tests — no conftest.py dependency.
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Uses the production database directly with a dedicated engine.
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Tests RLS and visibility filter tenant isolation.
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"""
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from __future__ import annotations
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import os
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import uuid
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import pytest
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import pytest_asyncio
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from sqlalchemy import select, text
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from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
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# Set test environment BEFORE any app imports
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os.environ["SESSION_COOKIE_SECURE"] = "false"
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os.environ["SESSION_COOKIE_SAMESITE"] = "lax"
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os.environ["ENVIRONMENT"] = "testing"
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os.environ["SECRET_KEY"] = "test-secret-key-for-testing-only-32chars"
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from app.core.db import set_tenant_context, set_user_context
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from app.models.contact import Contact
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from app.models.tenant import Tenant
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from app.models.user import User, UserTenant
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from app.models.entity_permission import EntityPermission
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from app.services.entity_permission_service import get_effective_access, get_visible_ids
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from app.core.visibility import apply_visibility_filter, check_single_entity_access
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# Use production DB (crm_user is superuser, RLS bypassed — tests Defense-in-Depth)
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DB_URL = "postgresql+asyncpg://crm_user:4B6X2wlfbIx-PyaG8kGutsatdLbjdBUI@crm-postgres:5432/crm_db"
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@pytest_asyncio.fixture
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async def engine():
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e = create_async_engine(DB_URL, echo=False)
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yield e
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await e.dispose()
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@pytest_asyncio.fixture
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async def db(engine):
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async with engine.connect() as conn:
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await conn.begin()
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session = AsyncSession(bind=conn, expire_on_commit=False)
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yield session
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await session.rollback()
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await conn.rollback()
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@pytest_asyncio.fixture
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async def tenant_a(db: AsyncSession):
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t = Tenant(id=uuid.uuid4(), name="CT Test A", slug=f"ct-test-a-{uuid.uuid4().hex[:8]}")
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db.add(t)
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await db.flush()
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return t
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@pytest_asyncio.fixture
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async def tenant_b(db: AsyncSession):
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t = Tenant(id=uuid.uuid4(), name="CT Test B", slug=f"ct-test-b-{uuid.uuid4().hex[:8]}")
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db.add(t)
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await db.flush()
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return t
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@pytest_asyncio.fixture
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async def user_a(db: AsyncSession, tenant_a):
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u = User(id=uuid.uuid4(), name="CT User A", email=f"ct-a-{uuid.uuid4().hex[:8]}@test.local",
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password_hash="$2b$12$testhash", first_name="User", last_name="A",
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is_active=True, is_system_admin=False)
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db.add(u)
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await db.flush()
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ut = UserTenant(user_id=u.id, tenant_id=tenant_a.id, role="viewer", status="active", is_default=True)
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db.add(ut)
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await db.flush()
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return u
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@pytest_asyncio.fixture
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async def user_b(db: AsyncSession, tenant_b):
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u = User(id=uuid.uuid4(), name="CT User B", email=f"ct-b-{uuid.uuid4().hex[:8]}@test.local",
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password_hash="$2b$12$testhash", first_name="User", last_name="B",
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is_active=True, is_system_admin=False)
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db.add(u)
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await db.flush()
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ut = UserTenant(user_id=u.id, tenant_id=tenant_b.id, role="viewer", status="active", is_default=True)
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db.add(ut)
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await db.flush()
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return u
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@pytest_asyncio.fixture
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async def contact_a(db: AsyncSession, tenant_a, user_a):
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c = Contact(id=uuid.uuid4(), tenant_id=tenant_a.id, firstname="CT", surname="A",
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email_1=f"ct-a-{uuid.uuid4().hex[:8]}@contact.local",
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owner_id=user_a.id, created_by=user_a.id, updated_by=user_a.id)
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db.add(c)
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await db.flush()
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return c
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@pytest_asyncio.fixture
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async def contact_b(db: AsyncSession, tenant_b, user_b):
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c = Contact(id=uuid.uuid4(), tenant_id=tenant_b.id, firstname="CT", surname="B",
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email_1=f"ct-b-{uuid.uuid4().hex[:8]}@contact.local",
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owner_id=user_b.id, created_by=user_b.id, updated_by=user_b.id)
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db.add(c)
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await db.flush()
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return c
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# ── Tests ────────────────────────────────────────────────────────────────────
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@pytest.mark.asyncio
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async def test_visibility_filter_blocks_cross_tenant(
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db, tenant_a, tenant_b, user_a, contact_a, contact_b
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):
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"""Defense-in-Depth: visibility filter must not return cross-tenant contacts."""
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await set_tenant_context(db, tenant_a.id)
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await set_user_context(db, user_a.id, [], False)
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query = select(Contact).where(Contact.deleted_at.is_(None))
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filtered = await apply_visibility_filter(db, query, "contact", Contact, user_a.id, tenant_a.id, False)
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result = await db.execute(filtered)
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contacts = result.scalars().all()
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for c in contacts:
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assert c.tenant_id == tenant_a.id, f"Visibility filter returned cross-tenant contact! {c.tenant_id} != {tenant_a.id}"
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@pytest.mark.asyncio
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async def test_check_single_entity_access_cross_tenant(
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db, tenant_a, tenant_b, user_a, contact_a, contact_b
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):
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"""check_single_entity_access must block cross-tenant access."""
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await set_tenant_context(db, tenant_a.id)
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await set_user_context(db, user_a.id, [], False)
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access_a = await check_single_entity_access(db, "contact", contact_a.id, user_a.id, tenant_a.id, "read", False)
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assert access_a is True, "User A should have access to own contact"
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access_b = await check_single_entity_access(db, "contact", contact_b.id, user_a.id, tenant_a.id, "read", False)
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assert access_b is False, "Cross-tenant access allowed!"
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@pytest.mark.asyncio
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async def test_get_visible_ids_tenant_scoped(
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db, tenant_a, tenant_b, user_a, contact_a, contact_b
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):
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"""get_visible_ids must only return same-tenant entity IDs."""
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visible_ids, _ = await get_visible_ids(db, tenant_a.id, user_a.id, "contact")
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assert contact_a.id in visible_ids, "User A's own contact not in visible_ids!"
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assert contact_b.id not in visible_ids, "Cross-tenant contact in visible_ids!"
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@pytest.mark.asyncio
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async def test_entity_permissions_tenant_scoped(
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db, tenant_a, tenant_b, user_a, user_b, contact_a, contact_b
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):
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"""entity_permissions must not leak across tenants."""
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perm = EntityPermission(
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id=uuid.uuid4(), tenant_id=tenant_a.id, entity_type="contact",
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entity_id=contact_a.id, principal_type="user", principal_id=user_a.id,
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permission_level="read",
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)
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db.add(perm)
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await db.flush()
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access_b = await get_effective_access(db, tenant_b.id, user_b.id, "contact", contact_a.id)
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assert access_b == "none", f"Entity permission leaked across tenants! Access: {access_b}"
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access_a = await get_effective_access(db, tenant_a.id, user_a.id, "contact", contact_a.id)
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assert access_a in ("read", "write", "admin", "owner"), f"User A should have access: {access_a}"
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@pytest.mark.asyncio
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async def test_rls_tenant_isolation_policy_exists(db):
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"""RLS tenant isolation policy must exist on contacts table."""
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result = await db.execute(text("""
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SELECT polname FROM pg_policy
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WHERE polrelid = 'contacts'::regclass AND polname LIKE '%tenant%'
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"""))
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policies = result.fetchall()
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assert len(policies) > 0, "No tenant isolation policy found on contacts table!"
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@pytest.mark.asyncio
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async def test_rls_enabled_on_tenant_tables(db):
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"""RLS must be enabled on critical tenant tables."""
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for table in ["contacts", "addresses", "attachments", "entity_permissions", "entity_policies"]:
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result = await db.execute(text(f"SELECT relrowsecurity FROM pg_class WHERE relname = '{table}'"))
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rls = result.scalar()
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if rls is not None:
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assert rls is True, f"RLS not enabled on {table}!"
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@pytest.mark.asyncio
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async def test_rls_disabled_on_system_tables(db):
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"""RLS must be disabled on system identity tables (bootstrap fix)."""
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for table in ["users", "user_tenants", "groups", "user_groups", "roles"]:
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result = await db.execute(text(f"SELECT relrowsecurity FROM pg_class WHERE relname = '{table}'"))
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rls = result.scalar()
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if rls is not None:
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assert rls is False, f"RLS should be disabled on {table} for login bootstrap!"
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@pytest.mark.asyncio
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async def test_tenant_context_variable_consistency(db, tenant_a):
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"""set_tenant_context must set both app.current_tenant_id and app.tenant_id."""
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await set_tenant_context(db, tenant_a.id)
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result = await db.execute(text("SELECT current_setting('app.current_tenant_id', true)"))
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assert result.scalar() == str(tenant_a.id), "app.current_tenant_id not set correctly"
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result = await db.execute(text("SELECT current_setting('app.tenant_id', true)"))
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assert result.scalar() == str(tenant_a.id), "app.tenant_id not set correctly"
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