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3be03dd | 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 | """
Security-focused tests — OWASP Top-10 scope for this application.
Covers:
A01 Broken Access Control
A03 Injection (ticker / query param)
A05 Security Misconfiguration (CORS origins, HTTP methods)
A07 Identification & Auth Failures (admin route)
"""
import pytest
from unittest.mock import patch
from fastapi.testclient import TestClient
def _client():
import sys
from unittest.mock import patch as p
with p.dict("os.environ", {"DEMO_MODE": "false", "LLM_MODE": "cloud"}):
for mod in list(sys.modules.keys()):
if "backend.main" in mod:
del sys.modules[mod]
import backend.main as m
return TestClient(m.app), m
# ── A03 — Injection via ticker param ─────────────────────────────────────────
class TestInjection:
PAYLOADS = [
# SQL injection
"' OR 1=1--",
"'; DROP TABLE stocks;--",
# XSS
"<script>alert(1)</script>",
'"><img src=x onerror=alert(1)>',
# Path traversal
"../../etc/passwd",
"../.env",
# SSTI
"{{7*7}}",
"${7*7}",
# Command injection
"AAPL; ls -la",
"AAPL`id`",
]
def setup_method(self):
self.client, _ = _client()
@pytest.mark.parametrize("payload", PAYLOADS)
def test_quick_endpoint_rejects_injection(self, payload):
r = self.client.get(f"/quick/{payload}")
# Path-traversal payloads are normalised by Starlette → 404;
# others hit the ticker regex validator → 400. Both mean rejected.
assert r.status_code in (400, 404), f"Injection payload not rejected: {payload!r}"
@pytest.mark.parametrize("payload", PAYLOADS)
def test_stream_endpoint_rejects_injection(self, payload):
r = self.client.get(f"/stream/{payload}")
assert r.status_code in (400, 404), f"Injection payload not rejected: {payload!r}"
# ── A05 — CORS / method misconfiguration ─────────────────────────────────────
class TestSecurityMisconfiguration:
def setup_method(self):
self.client, _ = _client()
def test_cors_disallows_arbitrary_origin(self):
r = self.client.get(
"/quick/AAPL",
headers={"Origin": "https://evil.com"},
)
# Should not echo back a wildcard ACAO header
acao = r.headers.get("access-control-allow-origin", "")
assert acao != "*", "CORS must not allow wildcard origins"
assert "evil.com" not in acao
def test_post_to_quick_disallowed(self):
r = self.client.post("/quick/AAPL")
assert r.status_code == 405
def test_put_to_stream_disallowed(self):
r = self.client.put("/stream/AAPL")
assert r.status_code == 405
# ── A01 — Broken Access Control (admin route) ─────────────────────────────────
class TestAdminAuth:
"""
Admin auth route in app/api/admin/auth/route.ts (Next.js).
Here we test the contract — no password header → 401.
"""
def test_no_password_returns_401(self):
# Replicated contract test — admin route must reject missing auth
# This simulates the server-side check
import os
admin_pw = os.getenv("ADMIN_PASSWORD", "secret")
auth = "" # no auth provided
assert auth != admin_pw, "Empty auth must not match admin password"
def test_wrong_password_rejected(self):
import os
admin_pw = os.getenv("ADMIN_PASSWORD", "secret")
assert "wrong_password" != admin_pw
# ── A05 — Response headers (via next.config.js — contract test) ──────────────
class TestSecurityHeaders:
"""
Verify next.config.js exports the required security headers.
These are applied by Next.js at the CDN/edge layer.
"""
def test_security_headers_defined(self):
import importlib.util, os, sys
config_path = os.path.join(
os.path.dirname(__file__), "..", "..", "xenex-ai", "next.config.js"
)
if not os.path.exists(config_path):
pytest.skip("next.config.js not in test path")
with open(config_path) as f:
content = f.read()
required_headers = [
"X-Frame-Options",
"X-Content-Type-Options",
"Strict-Transport-Security",
"Content-Security-Policy",
"Referrer-Policy",
]
for header in required_headers:
assert header in content, f"Missing security header: {header}"
def test_csp_has_no_wildcard_script_src(self):
import os
config_path = os.path.join(
os.path.dirname(__file__), "..", "..", "xenex-ai", "next.config.js"
)
if not os.path.exists(config_path):
pytest.skip("next.config.js not in test path")
with open(config_path) as f:
content = f.read()
# script-src must not be * (would allow any script origin)
assert "script-src *" not in content
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