File size: 10,410 Bytes
b4fd35c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 | """Offline checks of actual API function bodies extracted with AST.
This does not import or simulate FastAPI/Pydantic routing. It verifies bounded
body handling, admin state transitions, and lifespan cancellation with minimal
response/request doubles. Run full pytest separately in the installed runtime.
"""
import ast
import asyncio
from contextlib import asynccontextmanager, suppress
import __future__
import hmac
import json
import logging
from pathlib import Path
import secrets
import sys
import tempfile
from types import SimpleNamespace
import unittest
ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT))
from src.services.runtime_store import JsonRuntimeStore
class ResponseDouble:
def __init__(self, content=None, status_code=200, headers=None, **kwargs):
self.content = content
self.status_code = status_code
self.headers = headers or {}
self.cookies = {}
def set_cookie(self, key, value, **kwargs):
self.cookies[key] = value
def delete_cookie(self, key):
self.cookies.pop(key, None)
async def __call__(self, scope, receive, send):
await send({"type": "http.response.start", "status": self.status_code})
await send({"type": "http.response.body", "body": json.dumps(self.content).encode()})
class HTTPExceptionDouble(Exception):
def __init__(self, status_code, detail, headers=None):
super().__init__(detail)
self.status_code = status_code
self.headers = headers or {}
def extract(relative_path, names, namespace):
parsed = ast.parse((ROOT / relative_path).read_text())
nodes = [node for node in parsed.body if getattr(node, "name", None) in names]
if len(nodes) != len(names):
raise AssertionError("One of the expected functions has moved or disappeared")
for node in nodes:
if isinstance(node, (ast.FunctionDef, ast.AsyncFunctionDef)) and node.name != "lifespan":
node.decorator_list = []
module = ast.Module(body=nodes, type_ignores=[])
code = compile(module, str(ROOT / relative_path), "exec", flags=__future__.annotations.compiler_flag)
exec(code, namespace)
return namespace
class OfflineAPIChecks(unittest.TestCase):
def test_body_limiter_measures_chunks_and_replays_valid_body(self):
namespace = extract("app.py", {"RequestBodyLimitMiddleware"}, {"JSONResponse": ResponseDouble})
middleware_class = namespace["RequestBodyLimitMiddleware"]
async def check(chunks, limit, lengths=()):
forwarded = []
sent = []
messages = iter({"type": "http.request", "body": chunk, "more_body": index < len(chunks)-1}
for index, chunk in enumerate(chunks))
async def receive():
return next(messages)
async def send(message):
sent.append(message)
async def downstream(scope, receive, send):
forwarded.append((await receive())["body"])
middleware = middleware_class(downstream, max_bytes=limit)
await middleware({"type": "http", "method": "POST", "headers": list(lengths)}, receive, send)
return forwarded, sent
forwarded, sent = asyncio.run(check([b"a"*6, b"b"*6], 10))
self.assertEqual(sent[0]["status"], 413)
self.assertFalse(forwarded)
forwarded, sent = asyncio.run(check([b"a"*20000, b"b"*20000], 524288))
self.assertEqual(forwarded, [b"a"*20000+b"b"*20000])
self.assertFalse(sent)
forwarded, sent = asyncio.run(check([], 10, [(b"content-length", b"99")]))
self.assertEqual(sent[0]["status"], 413)
def test_admin_lockout_logout_and_defaults(self):
with tempfile.TemporaryDirectory() as directory:
clock = SimpleNamespace(time=lambda: 1000)
settings = SimpleNamespace(admin_password="correct", environment="test", runtime_path=Path(directory),
config_path=Path(directory)/"config.json", runtime_defaults={"maintenance_mode": True, "max_results": 9})
namespace = {
"JsonRuntimeStore": JsonRuntimeStore, "get_settings": lambda: settings,
"json": json, "time": clock, "secrets": secrets,
"HTTPException": HTTPExceptionDouble, "Response": ResponseDouble,
"RedirectResponse": ResponseDouble, "logger": logging.getLogger("offline"),
"admin_sessions": {}, "_login_attempts": {}, "_login_lockouts": {},
"_MAX_LOGIN_ATTEMPTS": 5, "_LOCKOUT_WINDOW": 300, "_LOCKOUT_DURATION": 900,
}
extract("src/api/admin.py", {"admin_auth", "admin_logout_get", "_sessions_file", "_load_sessions",
"_save_sessions", "_cleanup_sessions", "_require_session", "_config_store"}, namespace)
request = SimpleNamespace(client=SimpleNamespace(host="one-client"), cookies={})
for attempt in range(5):
with self.assertRaises(HTTPExceptionDouble) as caught:
asyncio.run(namespace["admin_auth"](SimpleNamespace(password="wrong"), request))
self.assertEqual(caught.exception.status_code, 429 if attempt == 4 else 401)
clock.time = lambda: 1301
with self.assertRaises(HTTPExceptionDouble) as caught:
asyncio.run(namespace["admin_auth"](SimpleNamespace(password="correct"), request))
self.assertEqual(caught.exception.status_code, 429)
clock.time = lambda: 1901
response = asyncio.run(namespace["admin_auth"](SimpleNamespace(password="correct"), request))
request.cookies["admin_session"] = response.cookies["admin_session"]
namespace["_require_session"](request)
asyncio.run(namespace["admin_logout_get"](request))
with self.assertRaises(HTTPExceptionDouble) as caught:
namespace["_require_session"](request)
self.assertEqual(caught.exception.status_code, 401)
self.assertEqual(namespace["_config_store"]().load(), settings.runtime_defaults)
def test_config_validation_rejects_silent_skips(self):
ns = extract("src/api/admin.py", {"_validated_config_values"}, {"HTTPException": HTTPExceptionDouble})
validate = ns["_validated_config_values"]
self.assertEqual(validate({"max_results": "9", "maintenance_mode": "true"}), {"max_results": 9, "maintenance_mode": True})
for value in ({"max_results": "abc"}, {"max_results": 2.5}, {"maintenance_mode": "perhaps"}, {"announcement": "x"*501}):
with self.assertRaises(HTTPExceptionDouble) as caught:
validate(value)
self.assertEqual(caught.exception.status_code, 422)
def test_lifespan_serves_before_initialization_completes_and_cancels_tasks(self):
async def scenario():
began = asyncio.Event()
cancelled = []
async def initialize():
began.set()
try:
await asyncio.Event().wait()
finally:
cancelled.append("startup")
async def metrics_loop():
try:
await asyncio.Event().wait()
finally:
cancelled.append("metrics")
flushed = []
async def flush():
flushed.append(True)
ns = extract("app.py", {"lifespan"}, {
"asynccontextmanager": asynccontextmanager, "suppress": suppress, "asyncio": asyncio,
"_initialize_services": initialize, "_metrics_flush_loop": metrics_loop,
"metrics_service": SimpleNamespace(flush=flush), "logger": logging.getLogger("offline"),
})
async with ns["lifespan"](None):
await asyncio.wait_for(began.wait(), timeout=1)
self.assertEqual(cancelled, [])
self.assertCountEqual(cancelled, ["startup", "metrics"])
self.assertEqual(flushed, [True])
asyncio.run(scenario())
def test_readiness_distinguishes_initializing_maintenance_and_missing_secret(self):
rag = SimpleNamespace(is_ready=lambda: False, get_stats=lambda: {"retrieval_mode": "unavailable"})
settings = SimpleNamespace(origin_token="origin", environment="production", openai_api_key="key")
config = {"maintenance_mode": False}
ns = extract("app.py", {"health_ready"}, {
"_runtime_config": lambda: config, "rag_service": rag, "settings": settings,
"_startup_state": "initializing", "LIBBEE_VERSION": "test", "JSONResponse": ResponseDouble,
})
self.assertEqual(ns["health_ready"]().status_code, 503)
rag.is_ready = lambda: True
self.assertEqual(ns["health_ready"]().status_code, 200)
settings.origin_token = ""
self.assertEqual(ns["health_ready"]().content["status"], "misconfigured")
config["maintenance_mode"] = True
self.assertEqual(ns["health_ready"]().status_code, 503)
def test_origin_subpaths_fail_closed_and_admin_cross_site_posts_fail(self):
settings = SimpleNamespace(origin_token="origin-secret", environment="production")
ns = extract("app.py", {"secure_origin"}, {
"settings": settings, "hmac": hmac, "asyncio": asyncio, "JSONResponse": ResponseDouble,
"_runtime_config": lambda: {"maintenance_mode": False}, "_HF_PREVIEW_PATHS": set(),
})
async def next_handler(request):
return ResponseDouble()
request = SimpleNamespace(url=SimpleNamespace(path="/agent/test"), method="GET", headers={})
self.assertEqual(asyncio.run(ns["secure_origin"](request, next_handler)).status_code, 401)
request.headers = {"x-libbee-origin-token": "origin-secret"}
self.assertEqual(asyncio.run(ns["secure_origin"](request, next_handler)).status_code, 200)
settings.origin_token = ""
self.assertEqual(asyncio.run(ns["secure_origin"](request, next_handler)).status_code, 401)
request.url.path = "/admin/config"
request.method = "POST"
request.headers = {"sec-fetch-site": "cross-site"}
self.assertEqual(asyncio.run(ns["secure_origin"](request, next_handler)).status_code, 403)
if __name__ == "__main__":
unittest.main(verbosity=2)
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