anti
e9d151734d
Before inserting a bounty, check whether an identical row already exists. Drops silent duplicates to prevent DB saturation from aggressive scanners.
85 lines
2.4 KiB
Python
85 lines
2.4 KiB
Python
"""
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Tests for bounty deduplication.
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Identical (bounty_type, attacker_ip, payload) tuples must be dropped so
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aggressive scanners cannot saturate the bounty table.
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"""
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import pytest
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from decnet.web.db.factory import get_repository
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@pytest.fixture
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async def repo(tmp_path):
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r = get_repository(db_path=str(tmp_path / "test.db"))
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await r.initialize()
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return r
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_BASE = {
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"decky": "decky-01",
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"service": "ssh",
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"attacker_ip": "10.0.0.1",
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"bounty_type": "credential",
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"payload": {"username": "admin", "password": "password"},
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}
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@pytest.mark.anyio
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async def test_duplicate_dropped(repo):
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await repo.add_bounty({**_BASE})
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await repo.add_bounty({**_BASE})
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bounties = await repo.get_bounties()
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assert len(bounties) == 1
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@pytest.mark.anyio
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async def test_different_ip_not_deduped(repo):
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await repo.add_bounty({**_BASE})
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await repo.add_bounty({**_BASE, "attacker_ip": "10.0.0.2"})
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bounties = await repo.get_bounties()
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assert len(bounties) == 2
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@pytest.mark.anyio
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async def test_different_type_not_deduped(repo):
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await repo.add_bounty({**_BASE})
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await repo.add_bounty({**_BASE, "bounty_type": "fingerprint"})
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bounties = await repo.get_bounties()
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assert len(bounties) == 2
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@pytest.mark.anyio
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async def test_different_payload_not_deduped(repo):
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await repo.add_bounty({**_BASE})
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await repo.add_bounty({**_BASE, "payload": {"username": "root", "password": "toor"}})
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bounties = await repo.get_bounties()
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assert len(bounties) == 2
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@pytest.mark.anyio
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async def test_flood_protection(repo):
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for _ in range(50):
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await repo.add_bounty({**_BASE})
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bounties = await repo.get_bounties()
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assert len(bounties) == 1
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@pytest.mark.anyio
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async def test_dict_payload_dedup(repo):
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"""Payload passed as dict (pre-serialisation path) is still deduped."""
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await repo.add_bounty({**_BASE, "payload": {"username": "admin", "password": "password"}})
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await repo.add_bounty({**_BASE, "payload": {"username": "admin", "password": "password"}})
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bounties = await repo.get_bounties()
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assert len(bounties) == 1
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@pytest.mark.anyio
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async def test_string_payload_dedup(repo):
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"""Payload passed as pre-serialised string is also deduped."""
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import json
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p = json.dumps({"username": "admin", "password": "password"})
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await repo.add_bounty({**_BASE, "payload": p})
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await repo.add_bounty({**_BASE, "payload": p})
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bounties = await repo.get_bounties()
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assert len(bounties) == 1
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