quantum-ai-v3/core/middleware.py

238 lines
11 KiB
Python

"""
Security middleware for enhanced security headers and CSP.
"""
from django.conf import settings
from django.utils import timezone
import logging
logger = logging.getLogger('core.security')
class SecurityHeadersMiddleware:
"""
Middleware to add comprehensive security headers to all responses.
Implements Content Security Policy, security headers, and security monitoring.
"""
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
response = self.get_response(request)
# Content Security Policy
if not settings.DEBUG:
# Check if this is a direct access agent page that needs external frames
is_direct_access_page = (
'/agents/' in request.path and
request.path.count('/') >= 3 and
not request.path.endswith('/api/execute/')
)
if is_direct_access_page:
# Relaxed CSP for direct access agent pages (external forms)
csp_policy = (
"default-src 'self'; "
"script-src 'self' 'unsafe-inline' https://js.stripe.com https://checkout.stripe.com https://form.jotform.com https://www.jotform.com https://agent.jotform.com https://cdn.jotfor.ms; "
"style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://form.jotform.com https://www.jotform.com https://agent.jotform.com https://cdn.jotfor.ms; "
"font-src 'self' https://fonts.gstatic.com https://form.jotform.com https://www.jotform.com https://agent.jotform.com https://cdn.jotfor.ms; "
"img-src 'self' data: https: blob:; "
"connect-src 'self' https: wss: ws:; "
"frame-src 'self' https: http:; "
"child-src 'self' https: http:; "
"object-src 'none'; "
"base-uri 'self'; "
"form-action 'self' https: http:; "
"frame-ancestors 'none';"
)
else:
# Production CSP - Strict security for other pages
csp_policy = (
"default-src 'self'; "
"script-src 'self' 'unsafe-inline' https://js.stripe.com https://checkout.stripe.com; "
"style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; "
"font-src 'self' https://fonts.gstatic.com; "
"img-src 'self' data: https: blob:; "
"connect-src 'self' https://api.stripe.com https://checkout.stripe.com; "
"frame-src 'self' https://js.stripe.com https://hooks.stripe.com; "
"object-src 'none'; "
"base-uri 'self'; "
"form-action 'self'; "
"frame-ancestors 'none'; "
"upgrade-insecure-requests;"
)
else:
# Development CSP - More permissive for development tools
csp_policy = (
"default-src 'self' 'unsafe-inline' 'unsafe-eval'; "
"script-src 'self' 'unsafe-inline' 'unsafe-eval' https://js.stripe.com; "
"style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; "
"font-src 'self' https://fonts.gstatic.com; "
"img-src 'self' data: https: blob:; "
"connect-src 'self' ws: wss: https:; "
"frame-src 'self' https: http:;"
)
response['Content-Security-Policy'] = csp_policy
# Additional Security Headers
response['X-Content-Type-Options'] = 'nosniff'
response['X-XSS-Protection'] = '1; mode=block'
response['Referrer-Policy'] = 'strict-origin-when-cross-origin'
response['Permissions-Policy'] = (
'geolocation=(), microphone=(), camera=(), '
'payment=(self "https://js.stripe.com"), '
'usb=(), magnetometer=(), gyroscope=(), accelerometer=()'
)
# X-Frame-Options handling
if request.path.endswith('/display/') and '/agents/' in request.path:
# Allow direct access agent display pages to be framed (they contain external iframes)
response['X-Frame-Options'] = 'SAMEORIGIN'
else:
# Deny framing for all other pages
response['X-Frame-Options'] = 'DENY'
# Security for critical pages
if request.path.startswith('/admin/') or request.path.startswith('/wallet/'):
response['X-Frame-Options'] = 'DENY'
response['Cache-Control'] = 'no-store, no-cache, must-revalidate, max-age=0'
response['Pragma'] = 'no-cache'
response['Expires'] = '0'
# Log security events for monitoring
if hasattr(request, 'user') and request.user.is_authenticated:
# Log administrative actions
if request.path.startswith('/admin/') and request.method == 'POST':
logger.info(f"Admin action by user {request.user.id} from IP {request.META.get('REMOTE_ADDR')}")
# Log sensitive financial operations
if request.path.startswith('/wallet/') and request.method == 'POST':
logger.info(f"Wallet operation by user {request.user.id} from IP {request.META.get('REMOTE_ADDR')}")
# Log agent executions
if request.path.startswith('/agents/api/execute') and request.method == 'POST':
logger.info(f"Agent execution by user {request.user.id} from IP {request.META.get('REMOTE_ADDR')}")
# Log authentication failures
if hasattr(request, 'user') and not request.user.is_authenticated:
if request.path.startswith('/auth/') and request.method == 'POST':
logger.warning(f"Failed authentication attempt from IP {request.META.get('REMOTE_ADDR')}")
return response
class SecurityMonitoringMiddleware:
"""
Middleware for security event monitoring and threat detection.
"""
def __init__(self, get_response):
self.get_response = get_response
self.suspicious_patterns = [
'.env', 'wp-admin', 'phpmyadmin', '../', '<script', 'SELECT * FROM',
'UNION SELECT', 'DROP TABLE', 'INSERT INTO', 'DELETE FROM',
'etc/passwd', 'windows/system32', '../../../../', '../../../',
'cmd.exe', '/bin/bash', 'eval(', 'exec(', 'system(',
'base64_decode', 'shell_exec', 'file_get_contents',
'fopen(', 'include(', 'require(', 'curl_exec',
'<?php', '<%', '<jsp:', 'javascript:', 'vbscript:',
'onload=', 'onerror=', 'onclick=', 'onfocus=',
'document.cookie', 'document.location', 'window.location'
]
# Track suspicious IPs for rate limiting
self.suspicious_ips = set()
self.failed_attempts = {}
def __call__(self, request):
# Check for suspicious patterns in URL and parameters
self._check_suspicious_activity(request)
response = self.get_response(request)
# Log failed authentication attempts and track suspicious IPs
if response.status_code == 401 or response.status_code == 403:
self._log_security_event(request, 'auth_failure', f"Status: {response.status_code}")
self._track_failed_attempt(request)
# Log rate limit violations
if hasattr(response, 'status_code') and response.status_code == 429:
self._log_security_event(request, 'rate_limit_exceeded', f"Path: {request.path}")
# Log suspicious response patterns
if response.status_code == 500:
self._log_security_event(request, 'server_error', f"Path: {request.path}")
return response
def _check_suspicious_activity(self, request):
"""Check for suspicious patterns in requests"""
full_path = request.get_full_path()
# Check URL for suspicious patterns
for pattern in self.suspicious_patterns:
if pattern.lower() in full_path.lower():
self._log_security_event(
request,
'suspicious_request',
f"Pattern: {pattern}, Path: {full_path}"
)
break
# Check for potential SQLi in parameters
if request.GET:
for key, value in request.GET.items():
for pattern in ['SELECT', 'UNION', 'DROP', 'INSERT', 'DELETE']:
if pattern in str(value).upper():
self._log_security_event(
request,
'potential_sqli',
f"Parameter: {key}, Value: {value[:100]}"
)
break
def _track_failed_attempt(self, request):
"""Track failed authentication attempts by IP"""
ip = request.META.get('REMOTE_ADDR', 'unknown')
if ip not in self.failed_attempts:
self.failed_attempts[ip] = {'count': 0, 'last_attempt': None}
self.failed_attempts[ip]['count'] += 1
self.failed_attempts[ip]['last_attempt'] = timezone.now()
# Mark IP as suspicious after 5 failed attempts
if self.failed_attempts[ip]['count'] >= 5:
self.suspicious_ips.add(ip)
self._log_security_event(
request,
'suspicious_ip_detected',
f"IP {ip} marked suspicious after {self.failed_attempts[ip]['count']} failed attempts"
)
def _log_security_event(self, request, event_type, details):
"""Log security events for monitoring"""
ip = request.META.get('REMOTE_ADDR', 'unknown')
user_id = request.user.id if hasattr(request, 'user') and request.user.is_authenticated else 'anonymous'
user_agent = request.META.get('HTTP_USER_AGENT', '')[:100]
# Enhanced logging with more context
logger.warning(
f"Security Event: {event_type} - "
f"IP: {ip} - "
f"User: {user_id} - "
f"Path: {request.path} - "
f"Method: {request.method} - "
f"UA: {user_agent} - "
f"Referer: {request.META.get('HTTP_REFERER', 'none')[:100]} - "
f"Details: {details}"
)
# Additional context for critical events
if event_type in ['suspicious_request', 'potential_sqli', 'suspicious_ip_detected']:
logger.critical(
f"CRITICAL SECURITY ALERT: {event_type} - "
f"IP: {ip} - User: {user_id} - {details}"
)