mirror of
https://github.com/pewdiepie-archdaemon/odysseus.git
synced 2026-07-02 01:22:07 -04:00
red person
91 lines
3.0 KiB
Python
91 lines
3.0 KiB
Python
"""Tests for outbound URL safety / SSRF hardening (src/url_safety.py).
|
|
|
|
A stub resolver is injected so the tests never touch real DNS.
|
|
"""
|
|
|
|
from src.url_safety import check_outbound_url
|
|
|
|
|
|
def _resolver(mapping):
|
|
def resolve(host):
|
|
if host in mapping:
|
|
return mapping[host]
|
|
raise OSError(f"unresolvable: {host}")
|
|
return resolve
|
|
|
|
|
|
PUBLIC = _resolver({"example.com": ["93.184.216.34"]})
|
|
LOOPBACK = _resolver({"localhost": ["127.0.0.1"]})
|
|
LAN = _resolver({"nas.local": ["192.168.1.50"]})
|
|
METADATA = _resolver({"evil.example": ["169.254.169.254"]})
|
|
MAPPED_METADATA = _resolver({"evil6.example": ["::ffff:169.254.169.254"]})
|
|
|
|
|
|
def test_non_http_scheme_blocked():
|
|
for url in ("file:///etc/passwd", "ftp://x/y", "gopher://h", "redis://h:6379"):
|
|
ok, reason = check_outbound_url(url, resolver=PUBLIC)
|
|
assert ok is False, url
|
|
assert "scheme" in reason
|
|
|
|
|
|
def test_missing_host_or_empty_blocked():
|
|
assert check_outbound_url("", resolver=PUBLIC)[0] is False
|
|
assert check_outbound_url("http://", resolver=PUBLIC)[0] is False
|
|
|
|
|
|
def test_public_url_allowed():
|
|
ok, reason = check_outbound_url("https://example.com/v1/embeddings", resolver=PUBLIC)
|
|
assert ok is True, reason
|
|
|
|
|
|
def test_cloud_metadata_blocked_even_when_private_allowed():
|
|
# The headline SSRF vector must be blocked regardless of block_private.
|
|
ok, reason = check_outbound_url("http://evil.example/latest/meta-data/", resolver=METADATA)
|
|
assert ok is False
|
|
assert "link-local" in reason
|
|
|
|
|
|
def test_ipv4_mapped_metadata_blocked():
|
|
ok, reason = check_outbound_url("http://evil6.example/", resolver=MAPPED_METADATA)
|
|
assert ok is False
|
|
assert "link-local" in reason
|
|
|
|
|
|
def test_loopback_and_lan_allowed_by_default_local_first():
|
|
# Local-first: a localhost / LAN embedding server is a legitimate target.
|
|
assert check_outbound_url("http://localhost:8080/v1", resolver=LOOPBACK)[0] is True
|
|
assert check_outbound_url("http://nas.local:1234/v1", resolver=LAN)[0] is True
|
|
|
|
|
|
def test_strict_mode_blocks_private_and_loopback():
|
|
ok, reason = check_outbound_url("http://localhost:8080", block_private=True, resolver=LOOPBACK)
|
|
assert ok is False and "private" in reason
|
|
ok, reason = check_outbound_url("http://nas.local", block_private=True, resolver=LAN)
|
|
assert ok is False and "private" in reason
|
|
|
|
|
|
def test_unresolvable_host_blocked():
|
|
ok, reason = check_outbound_url("http://does-not-resolve.invalid", resolver=PUBLIC)
|
|
assert ok is False
|
|
assert "resolve" in reason
|
|
|
|
|
|
def test_resolver_values_must_include_a_parseable_ip():
|
|
ok, reason = check_outbound_url(
|
|
"https://example.test",
|
|
resolver=lambda _host: [None, 123, "not-an-ip"],
|
|
)
|
|
|
|
assert ok is False
|
|
assert "does not resolve to an IP" in reason
|
|
|
|
|
|
def test_resolver_skips_invalid_values_but_accepts_public_ip():
|
|
ok, reason = check_outbound_url(
|
|
"https://example.test",
|
|
resolver=lambda _host: [None, "not-an-ip", "93.184.216.34"],
|
|
)
|
|
|
|
assert ok is True
|
|
assert reason == "ok"
|