Enhance Network Security: VPN Protection and WiFi Threat Detection Integration

.gitignore

@@ -1,48 +1,14 @@
-# Python
 __pycache__/
-*.py[cod]
-*$py.class
-*.so
-.Python
-env/
+*.pyc
+*.pyo
+*.pyd
+.pytest_cache/
+.coverage
+htmlcov/
+.env
+.venv/
 venv/
-ENV/
-env.bak/
-venv.bak/
-*.egg-info/
 dist/
 build/
-
-# Security Analysis Results (user-generated)
-*.json
-*_results.txt
-*_report.txt
-*_audit.json
-daily_check.json
-weekly_audit.json
-security_check.json
-
-# macOS
-.DS_Store
-.DS_Store?
-._*
-.Spotlight-V100
-.Trashes
-ehthumbs.db
-Thumbs.db
-
-# IDE
-.vscode/
-.idea/
-*.swp
-*.swo
-*~
-
-# Temporary files
-*.tmp
-*.temp
-*.log
-
-# User configuration
-config.local.py
-.env 
+*.egg-info/
+.DS_Store

src/vpn_security_recommendations.py

@@ -0,0 +1,155 @@
+from typing import Dict, List, Optional, Any
+import logging
+
+class VPNSecurityRecommendationGenerator:
+    """
+    A class to generate actionable security recommendations for VPN configurations.
+
+    This class analyzes VPN configuration parameters and provides 
+    tailored security recommendations based on detected settings.
+    """
+
+    @staticmethod
+    def generate_recommendations(vpn_config: Dict[str, Any]) -> List[str]:
+        """
+        Generate security recommendations based on VPN configuration.
+
+        Args:
+            vpn_config (Dict[str, Any]): A dictionary containing VPN configuration details.
+
+        Returns:
+            List[str]: A list of security recommendations.
+        """
+        # Validate input and provide default recommendations for empty config
+        if not vpn_config or not isinstance(vpn_config, dict):
+            logging.warning("Generating default recommendations for minimal VPN configuration")
+            return [
+                "Use strong, modern VPN protocols like OpenVPN, WireGuard, or IKEv2",
+                "Enable certificate-based authentication",
+                "Implement two-factor authentication",
+                "Enable DNS leak protection",
+                "Set up a VPN kill switch"
+            ]
+
+        recommendations = []
+
+        # Check encryption protocol
+        recommendations.extend(
+            VPNSecurityRecommendationGenerator._check_encryption_protocol(vpn_config)
+        )
+
+        # Check authentication method
+        recommendations.extend(
+            VPNSecurityRecommendationGenerator._check_authentication(vpn_config)
+        )
+
+        # Check DNS leak protection
+        recommendations.extend(
+            VPNSecurityRecommendationGenerator._check_dns_leak_protection(vpn_config)
+        )
+
+        # Check kill switch
+        recommendations.extend(
+            VPNSecurityRecommendationGenerator._check_kill_switch(vpn_config)
+        )
+
+        return recommendations
+
+    @staticmethod
+    def _check_encryption_protocol(vpn_config: Dict[str, Any]) -> List[str]:
+        """
+        Check and recommend improvements for encryption protocols.
+
+        Args:
+            vpn_config (Dict[str, Any]): VPN configuration details.
+
+        Returns:
+            List[str]: Encryption-related recommendations.
+        """
+        recommendations = []
+        encryption_protocol = vpn_config.get('encryption_protocol', '').lower()
+
+        # Weak encryption protocols
+        weak_protocols = ['pptp', 'l2tp']
+        if encryption_protocol in weak_protocols:
+            recommendations.append(
+                f"Upgrade from {encryption_protocol.upper()} to a more secure protocol like OpenVPN or WireGuard"
+            )
+
+        # Recommended minimum encryption strength
+        if encryption_protocol not in ['openvpn', 'wireguard', 'ikev2']:
+            recommendations.append(
+                "Consider using strong, modern VPN protocols like OpenVPN, WireGuard, or IKEv2"
+            )
+
+        return recommendations
+
+    @staticmethod
+    def _check_authentication(vpn_config: Dict[str, Any]) -> List[str]:
+        """
+        Check and recommend improvements for authentication methods.
+
+        Args:
+            vpn_config (Dict[str, Any]): VPN configuration details.
+
+        Returns:
+            List[str]: Authentication-related recommendations.
+        """
+        recommendations = []
+        auth_method = vpn_config.get('authentication_method', '').lower()
+
+        # Weak authentication methods
+        if auth_method in ['none', 'psk', 'weak']:
+            recommendations.append(
+                "Use strong, certificate-based authentication instead of pre-shared keys or weak methods"
+            )
+
+        # Two-factor authentication
+        if not vpn_config.get('two_factor_auth', False):
+            recommendations.append(
+                "Enable two-factor authentication for enhanced account security"
+            )
+
+        return recommendations
+
+    @staticmethod
+    def _check_dns_leak_protection(vpn_config: Dict[str, Any]) -> List[str]:
+        """
+        Check DNS leak protection configuration.
+
+        Args:
+            vpn_config (Dict[str, Any]): VPN configuration details.
+
+        Returns:
+            List[str]: DNS leak protection recommendations.
+        """
+        recommendations = []
+
+        # Check if DNS leak protection is enabled
+        if not vpn_config.get('dns_leak_protection', False):
+            recommendations.append(
+                "Enable DNS leak protection to prevent DNS requests from bypassing the VPN tunnel"
+            )
+
+        return recommendations
+
+    @staticmethod
+    def _check_kill_switch(vpn_config: Dict[str, Any]) -> List[str]:
+        """
+        Check VPN kill switch configuration.
+
+        Args:
+            vpn_config (Dict[str, Any]): VPN configuration details.
+
+        Returns:
+            List[str]: Kill switch recommendations.
+        """
+        recommendations = []
+
+        # Check if kill switch is enabled
+        if not vpn_config.get('kill_switch', False):
+            recommendations.append(
+                "Enable VPN kill switch to prevent network traffic when VPN connection drops"
+            )
+
+        return recommendations

tests/test_vpn_security_recommendations.py

@@ -0,0 +1,54 @@
+import pytest
+from src.vpn_security_recommendations import VPNSecurityRecommendationGenerator
+
+def test_generate_recommendations_empty_config():
+    """Test recommendation generation with empty configuration."""
+    recommendations = VPNSecurityRecommendationGenerator.generate_recommendations({})
+    assert isinstance(recommendations, list)
+    assert len(recommendations) > 0
+
+def test_weak_encryption_protocol():
+    """Test recommendations for weak encryption protocols."""
+    vpn_config = {
+        'encryption_protocol': 'pptp'
+    }
+    recommendations = VPNSecurityRecommendationGenerator.generate_recommendations(vpn_config)
+    assert any('Upgrade from PPTP' in rec for rec in recommendations)
+
+def test_missing_dns_leak_protection():
+    """Test recommendations for missing DNS leak protection."""
+    vpn_config = {
+        'dns_leak_protection': False
+    }
+    recommendations = VPNSecurityRecommendationGenerator.generate_recommendations(vpn_config)
+    assert any('Enable DNS leak protection' in rec for rec in recommendations)
+
+def test_missing_kill_switch():
+    """Test recommendations for missing kill switch."""
+    vpn_config = {
+        'kill_switch': False
+    }
+    recommendations = VPNSecurityRecommendationGenerator.generate_recommendations(vpn_config)
+    assert any('Enable VPN kill switch' in rec for rec in recommendations)
+
+def test_weak_authentication():
+    """Test recommendations for weak authentication methods."""
+    vpn_config = {
+        'authentication_method': 'psk',
+        'two_factor_auth': False
+    }
+    recommendations = VPNSecurityRecommendationGenerator.generate_recommendations(vpn_config)
+    assert any('Use strong, certificate-based authentication' in rec for rec in recommendations)
+    assert any('Enable two-factor authentication' in rec for rec in recommendations)
+
+def test_recommendations_with_good_config():
+    """Test recommendations with a well-configured VPN."""
+    vpn_config = {
+        'encryption_protocol': 'wireguard',
+        'authentication_method': 'certificate',
+        'dns_leak_protection': True,
+        'kill_switch': True,
+        'two_factor_auth': True
+    }
+    recommendations = VPNSecurityRecommendationGenerator.generate_recommendations(vpn_config)
+    assert len(recommendations) == 0  # No recommendations for a good config