# Advanced webhook security implementation
import hmac
import hashlib
import time
import secrets
import json
import logging
from datetime import datetime, timedelta
from typing import Dict, List, Optional, Any, Tuple
from dataclasses import dataclass, field
from enum import Enum
import base64
import jwt
from cryptography.fernet import Fernet
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
from cryptography.hazmat.primitives.asymmetric import rsa, padding
from cryptography.hazmat.primitives import serialization
import ipaddress
from functools import wraps
import asyncio
import aioredis
import re

class AuthenticationMethod(Enum):
    HMAC_SHA256 = "hmac_sha256"
    JWT_TOKEN = "jwt_token"
    API_KEY = "api_key"
    MUTUAL_TLS = "mutual_tls"
    OAUTH2 = "oauth2"

class SecurityLevel(Enum):
    STANDARD = "standard"
    ENHANCED = "enhanced"
    MAXIMUM = "maximum"

@dataclass
class WebhookSecurityConfig:
    webhook_id: str
    authentication_methods: List[AuthenticationMethod]
    security_level: SecurityLevel
    allowed_ips: List[str] = field(default_factory=list)
    rate_limit_per_minute: int = 60
    replay_window_seconds: int = 300
    require_tls: bool = True
    validate_payload_structure: bool = True
    enable_request_logging: bool = True
    secret_rotation_days: int = 30

@dataclass
class WebhookRequest:
    request_id: str
    timestamp: datetime
    source_ip: str
    headers: Dict[str, str]
    payload: Dict[str, Any]
    signature: Optional[str] = None
    authentication_method: Optional[AuthenticationMethod] = None
    is_verified: bool = False
    security_alerts: List[str] = field(default_factory=list)

class AdvancedWebhookSecurity:
    def __init__(self, config: WebhookSecurityConfig):
        self.config = config
        self.logger = logging.getLogger(__name__)
        
        # Security state management
        self.active_secrets = {}
        self.request_cache = {}
        self.rate_limit_cache = {}
        self.security_events = []
        
        # Encryption setup
        self.encryption_key = self._generate_encryption_key()
        self.cipher_suite = Fernet(self.encryption_key)
        
        # Redis for distributed security state
        self.redis_client = None
        
        # Initialize security components
        self._initialize_security_components()
        
    def _initialize_security_components(self):
        """Initialize security components and load configurations"""
        
        # Generate initial webhook secrets
        for auth_method in self.config.authentication_methods:
            self.active_secrets[auth_method.value] = self._generate_webhook_secret()
        
        # Compile IP allow list
        self.allowed_ip_networks = []
        for ip_spec in self.config.allowed_ips:
            try:
                network = ipaddress.ip_network(ip_spec, strict=False)
                self.allowed_ip_networks.append(network)
            except ValueError as e:
                self.logger.error(f"Invalid IP specification: {ip_spec} - {e}")
        
        # Initialize rate limiting
        self.rate_limiter = WebhookRateLimiter(
            self.config.rate_limit_per_minute,
            window_minutes=1
        )
        
        self.logger.info(f"Webhook security initialized for {self.config.webhook_id}")

    def _generate_webhook_secret(self) -> str:
        """Generate cryptographically secure webhook secret"""
        return base64.b64encode(secrets.token_bytes(32)).decode('utf-8')
    
    def _generate_encryption_key(self) -> bytes:
        """Generate encryption key for sensitive data"""
        password = secrets.token_bytes(32)
        salt = secrets.token_bytes(16)
        kdf = PBKDF2HMAC(
            algorithm=hashes.SHA256(),
            length=32,
            salt=salt,
            iterations=100000,
        )
        return base64.urlsafe_b64encode(kdf.derive(password))

    async def authenticate_webhook_request(self, request: WebhookRequest) -> bool:
        """Perform comprehensive webhook request authentication"""
        
        authentication_results = []
        
        # Check each configured authentication method
        for auth_method in self.config.authentication_methods:
            auth_result = await self._authenticate_method(request, auth_method)
            authentication_results.append(auth_result)
            
            if auth_result:
                request.authentication_method = auth_method
                self.logger.info(
                    f"Successful authentication via {auth_method.value} "
                    f"for request {request.request_id}"
                )
                break
        
        # Require at least one successful authentication
        request.is_verified = any(authentication_results)
        
        if not request.is_verified:
            await self._log_authentication_failure(request)
            
        return request.is_verified
    
    async def _authenticate_method(self, request: WebhookRequest, 
                                 method: AuthenticationMethod) -> bool:
        """Authenticate request using specific method"""
        
        try:
            if method == AuthenticationMethod.HMAC_SHA256:
                return await self._authenticate_hmac(request)
            elif method == AuthenticationMethod.JWT_TOKEN:
                return await self._authenticate_jwt(request)
            elif method == AuthenticationMethod.API_KEY:
                return await self._authenticate_api_key(request)
            elif method == AuthenticationMethod.OAUTH2:
                return await self._authenticate_oauth2(request)
            else:
                self.logger.warning(f"Unsupported authentication method: {method}")
                return False
                
        except Exception as e:
            self.logger.error(f"Authentication error for method {method}: {e}")
            return False
    
    async def _authenticate_hmac(self, request: WebhookRequest) -> bool:
        """Authenticate using HMAC-SHA256 signature verification"""
        
        signature_header = request.headers.get('X-Webhook-Signature')
        if not signature_header:
            return False
        
        # Extract signature from header (format: sha256=signature)
        if not signature_header.startswith('sha256='):
            return False
        
        provided_signature = signature_header[7:]  # Remove 'sha256=' prefix
        
        # Get webhook secret for HMAC
        secret = self.active_secrets.get(AuthenticationMethod.HMAC_SHA256.value)
        if not secret:
            self.logger.error("No HMAC secret available for verification")
            return False
        
        # Create expected signature
        payload_bytes = json.dumps(request.payload, sort_keys=True).encode('utf-8')
        expected_signature = hmac.new(
            secret.encode('utf-8'),
            payload_bytes,
            hashlib.sha256
        ).hexdigest()
        
        # Secure signature comparison
        is_valid = hmac.compare_digest(provided_signature, expected_signature)
        
        if is_valid:
            request.signature = provided_signature
            
        return is_valid
    
    async def _authenticate_jwt(self, request: WebhookRequest) -> bool:
        """Authenticate using JWT token verification"""
        
        auth_header = request.headers.get('Authorization')
        if not auth_header or not auth_header.startswith('Bearer '):
            return False
        
        token = auth_header[7:]  # Remove 'Bearer ' prefix
        
        try:
            # Get JWT secret
            jwt_secret = self.active_secrets.get(AuthenticationMethod.JWT_TOKEN.value)
            if not jwt_secret:
                return False
            
            # Decode and verify JWT
            decoded_token = jwt.decode(
                token,
                jwt_secret,
                algorithms=['HS256'],
                options={
                    'require_exp': True,
                    'require_iat': True,
                    'require_nbf': True
                }
            )
            
            # Validate token claims
            current_time = datetime.utcnow().timestamp()
            
            # Check expiration
            if decoded_token.get('exp', 0) < current_time:
                return False
            
            # Check not before
            if decoded_token.get('nbf', 0) > current_time:
                return False
            
            # Check issuer if configured
            expected_issuer = self.config.__dict__.get('jwt_issuer')
            if expected_issuer and decoded_token.get('iss') != expected_issuer:
                return False
            
            # Store token data for additional validation
            request.headers['X-JWT-Claims'] = json.dumps(decoded_token)
            
            return True
            
        except jwt.ExpiredSignatureError:
            self.logger.warning(f"Expired JWT token in request {request.request_id}")
            return False
        except jwt.InvalidTokenError as e:
            self.logger.warning(f"Invalid JWT token in request {request.request_id}: {e}")
            return False
    
    async def _authenticate_api_key(self, request: WebhookRequest) -> bool:
        """Authenticate using API key verification"""
        
        api_key = request.headers.get('X-API-Key')
        if not api_key:
            return False
        
        # Get expected API key
        expected_key = self.active_secrets.get(AuthenticationMethod.API_KEY.value)
        if not expected_key:
            return False
        
        # Secure key comparison
        is_valid = hmac.compare_digest(api_key, expected_key)
        
        return is_valid
    
    async def _authenticate_oauth2(self, request: WebhookRequest) -> bool:
        """Authenticate using OAuth2 token verification"""
        
        auth_header = request.headers.get('Authorization')
        if not auth_header or not auth_header.startswith('Bearer '):
            return False
        
        access_token = auth_header[7:]
        
        # Verify token with OAuth2 provider (implementation depends on provider)
        # This is a simplified example
        try:
            # In practice, you would validate the token with your OAuth2 provider
            token_info = await self._validate_oauth2_token(access_token)
            
            if token_info and token_info.get('active', False):
                # Store token info for authorization checks
                request.headers['X-OAuth2-Info'] = json.dumps(token_info)
                return True
            
        except Exception as e:
            self.logger.error(f"OAuth2 token validation error: {e}")
        
        return False
    
    async def _validate_oauth2_token(self, token: str) -> Optional[Dict[str, Any]]:
        """Validate OAuth2 token with provider"""
        
        # This would make an actual call to your OAuth2 provider's introspection endpoint
        # For demonstration, returning a mock response
        
        await asyncio.sleep(0.01)  # Simulate network call
        
        return {
            'active': True,
            'exp': int((datetime.utcnow() + timedelta(hours=1)).timestamp()),
            'scope': 'webhook:receive',
            'client_id': 'webhook_client'
        }

    async def validate_request_security(self, request: WebhookRequest) -> bool:
        """Perform comprehensive security validation"""
        
        security_checks = []
        
        # IP address validation
        ip_check = await self._validate_source_ip(request)
        security_checks.append(('ip_validation', ip_check))
        
        # Rate limiting check
        rate_limit_check = await self._check_rate_limits(request)
        security_checks.append(('rate_limiting', rate_limit_check))
        
        # Replay attack protection
        replay_check = await self._check_replay_protection(request)
        security_checks.append(('replay_protection', replay_check))
        
        # Payload validation
        payload_check = await self._validate_payload_structure(request)
        security_checks.append(('payload_validation', payload_check))
        
        # TLS validation
        tls_check = await self._validate_tls_requirements(request)
        security_checks.append(('tls_validation', tls_check))
        
        # Check security level requirements
        required_passes = self._get_required_security_passes()
        passed_checks = sum(1 for _, passed in security_checks if passed)
        
        # Log security check results
        for check_name, passed in security_checks:
            if not passed:
                request.security_alerts.append(f"Failed {check_name}")
                self.logger.warning(
                    f"Security check failed: {check_name} for request {request.request_id}"
                )
        
        is_secure = passed_checks >= required_passes
        
        if not is_secure:
            await self._log_security_failure(request, security_checks)
        
        return is_secure
    
    def _get_required_security_passes(self) -> int:
        """Get minimum required security check passes based on security level"""
        
        if self.config.security_level == SecurityLevel.MAXIMUM:
            return 5  # All checks must pass
        elif self.config.security_level == SecurityLevel.ENHANCED:
            return 4  # Most checks must pass
        else:
            return 3  # Standard level - basic checks
    
    async def _validate_source_ip(self, request: WebhookRequest) -> bool:
        """Validate request source IP against allow list"""
        
        if not self.config.allowed_ips:
            return True  # No IP restrictions configured
        
        try:
            source_ip = ipaddress.ip_address(request.source_ip)
            
            for allowed_network in self.allowed_ip_networks:
                if source_ip in allowed_network:
                    return True
            
            self.logger.warning(
                f"Request from unauthorized IP: {request.source_ip} "
                f"for request {request.request_id}"
            )
            return False
            
        except ValueError:
            self.logger.error(f"Invalid source IP format: {request.source_ip}")
            return False
    
    async def _check_rate_limits(self, request: WebhookRequest) -> bool:
        """Check rate limiting for webhook requests"""
        
        return await self.rate_limiter.check_rate_limit(
            identifier=request.source_ip,
            request_id=request.request_id
        )
    
    async def _check_replay_protection(self, request: WebhookRequest) -> bool:
        """Check for replay attacks using request timestamps and signatures"""
        
        # Check timestamp freshness
        timestamp_header = request.headers.get('X-Webhook-Timestamp')
        if timestamp_header:
            try:
                webhook_timestamp = int(timestamp_header)
                current_timestamp = int(time.time())
                
                # Check if request is within replay window
                if abs(current_timestamp - webhook_timestamp) > self.config.replay_window_seconds:
                    self.logger.warning(
                        f"Request timestamp outside replay window: {webhook_timestamp} "
                        f"for request {request.request_id}"
                    )
                    return False
                    
            except ValueError:
                self.logger.warning(f"Invalid timestamp format: {timestamp_header}")
                return False
        
        # Check for duplicate requests using signature
        if request.signature:
            cache_key = f"replay:{request.signature}"
            
            if self.redis_client:
                # Check Redis for distributed replay protection
                exists = await self.redis_client.exists(cache_key)
                if exists:
                    self.logger.warning(f"Potential replay attack: {request.request_id}")
                    return False
                
                # Store signature with expiration
                await self.redis_client.setex(
                    cache_key, 
                    self.config.replay_window_seconds, 
                    "1"
                )
            else:
                # Local cache fallback
                if cache_key in self.request_cache:
                    return False
                
                self.request_cache[cache_key] = time.time()
                
                # Clean old entries
                current_time = time.time()
                expired_keys = [
                    k for k, timestamp in self.request_cache.items()
                    if current_time - timestamp > self.config.replay_window_seconds
                ]
                for key in expired_keys:
                    del self.request_cache[key]
        
        return True
    
    async def _validate_payload_structure(self, request: WebhookRequest) -> bool:
        """Validate webhook payload structure and content"""
        
        if not self.config.validate_payload_structure:
            return True
        
        payload = request.payload
        
        # Basic payload validation
        if not isinstance(payload, dict):
            return False
        
        # Check for required fields (customize based on your webhook spec)
        required_fields = ['event_type', 'timestamp', 'data']
        for field in required_fields:
            if field not in payload:
                self.logger.warning(
                    f"Missing required field '{field}' in request {request.request_id}"
                )
                return False
        
        # Validate event type
        allowed_event_types = [
            'email.sent', 'email.delivered', 'email.bounced', 
            'email.opened', 'email.clicked', 'email.unsubscribed',
            'email.spam_reported'
        ]
        
        if payload.get('event_type') not in allowed_event_types:
            self.logger.warning(
                f"Invalid event type: {payload.get('event_type')} "
                f"in request {request.request_id}"
            )
            return False
        
        # Validate data structure based on event type
        return await self._validate_event_data_structure(payload)
    
    async def _validate_event_data_structure(self, payload: Dict[str, Any]) -> bool:
        """Validate event-specific data structure"""
        
        event_type = payload.get('event_type')
        data = payload.get('data', {})
        
        # Define required fields for each event type
        event_schemas = {
            'email.sent': ['message_id', 'recipient', 'timestamp'],
            'email.delivered': ['message_id', 'recipient', 'timestamp'],
            'email.bounced': ['message_id', 'recipient', 'bounce_type', 'reason'],
            'email.opened': ['message_id', 'recipient', 'timestamp', 'user_agent'],
            'email.clicked': ['message_id', 'recipient', 'url', 'timestamp'],
            'email.unsubscribed': ['recipient', 'timestamp'],
            'email.spam_reported': ['message_id', 'recipient', 'timestamp']
        }
        
        required_fields = event_schemas.get(event_type, [])
        
        for field in required_fields:
            if field not in data:
                return False
        
        # Validate email format for recipient field
        recipient = data.get('recipient')
        if recipient and not self._is_valid_email(recipient):
            return False
        
        return True
    
    def _is_valid_email(self, email: str) -> bool:
        """Validate email format"""
        email_pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
        return re.match(email_pattern, email) is not None
    
    async def _validate_tls_requirements(self, request: WebhookRequest) -> bool:
        """Validate TLS requirements"""
        
        if not self.config.require_tls:
            return True
        
        # Check for TLS headers (this would be handled at the web server level)
        # For demonstration, checking for common TLS indicators
        tls_indicators = [
            'X-Forwarded-Proto',
            'X-Forwarded-SSL',
            'X-Scheme'
        ]
        
        for header in tls_indicators:
            value = request.headers.get(header, '').lower()
            if value in ['https', 'on', '1']:
                return True
        
        # Check if request came over HTTPS (simplified check)
        if request.headers.get('Host', '').startswith('https://'):
            return True
        
        return False
    
    async def process_secure_webhook(self, request: WebhookRequest) -> Dict[str, Any]:
        """Process webhook with full security validation"""
        
        processing_result = {
            'request_id': request.request_id,
            'processed_at': datetime.utcnow().isoformat(),
            'security_status': 'pending',
            'authentication_status': 'pending',
            'processing_status': 'pending',
            'alerts': []
        }
        
        try:
            # Step 1: Authentication
            auth_success = await self.authenticate_webhook_request(request)
            processing_result['authentication_status'] = 'success' if auth_success else 'failed'
            
            if not auth_success:
                processing_result['alerts'].append('Authentication failed')
                processing_result['processing_status'] = 'rejected'
                return processing_result
            
            # Step 2: Security validation
            security_valid = await self.validate_request_security(request)
            processing_result['security_status'] = 'passed' if security_valid else 'failed'
            
            if not security_valid:
                processing_result['alerts'].extend(request.security_alerts)
                processing_result['processing_status'] = 'rejected'
                return processing_result
            
            # Step 3: Process webhook payload
            processing_success = await self._process_webhook_payload(request)
            processing_result['processing_status'] = 'success' if processing_success else 'failed'
            
            # Log successful processing
            if processing_success:
                await self._log_successful_processing(request)
            
        except Exception as e:
            self.logger.error(f"Webhook processing error: {e}")
            processing_result['processing_status'] = 'error'
            processing_result['alerts'].append(f'Processing error: {str(e)}')
        
        return processing_result
    
    async def _process_webhook_payload(self, request: WebhookRequest) -> bool:
        """Process the validated webhook payload"""
        
        payload = request.payload
        event_type = payload.get('event_type')
        
        # Route to appropriate event handler
        event_handlers = {
            'email.sent': self._handle_email_sent,
            'email.delivered': self._handle_email_delivered,
            'email.bounced': self._handle_email_bounced,
            'email.opened': self._handle_email_opened,
            'email.clicked': self._handle_email_clicked,
            'email.unsubscribed': self._handle_email_unsubscribed,
            'email.spam_reported': self._handle_spam_report
        }
        
        handler = event_handlers.get(event_type)
        if not handler:
            self.logger.error(f"No handler for event type: {event_type}")
            return False
        
        try:
            return await handler(payload['data'])
        except Exception as e:
            self.logger.error(f"Event handler error for {event_type}: {e}")
            return False
    
    async def _handle_email_sent(self, data: Dict[str, Any]) -> bool:
        """Handle email sent event"""
        self.logger.info(f"Processing email sent event for {data.get('recipient')}")
        # Implement your email sent processing logic
        return True
    
    async def _handle_email_delivered(self, data: Dict[str, Any]) -> bool:
        """Handle email delivered event"""
        self.logger.info(f"Processing email delivered event for {data.get('recipient')}")
        # Implement your email delivered processing logic
        return True
    
    async def _handle_email_bounced(self, data: Dict[str, Any]) -> bool:
        """Handle email bounced event"""
        self.logger.info(f"Processing email bounced event for {data.get('recipient')}")
        # Implement your email bounce processing logic
        return True
    
    async def _handle_email_opened(self, data: Dict[str, Any]) -> bool:
        """Handle email opened event"""
        self.logger.info(f"Processing email opened event for {data.get('recipient')}")
        # Implement your email opened processing logic
        return True
    
    async def _handle_email_clicked(self, data: Dict[str, Any]) -> bool:
        """Handle email clicked event"""
        self.logger.info(f"Processing email clicked event for {data.get('recipient')}")
        # Implement your email clicked processing logic
        return True
    
    async def _handle_email_unsubscribed(self, data: Dict[str, Any]) -> bool:
        """Handle email unsubscribed event"""
        self.logger.info(f"Processing unsubscribe event for {data.get('recipient')}")
        # Implement your unsubscribe processing logic
        return True
    
    async def _handle_spam_report(self, data: Dict[str, Any]) -> bool:
        """Handle spam report event"""
        self.logger.warning(f"Processing spam report for {data.get('recipient')}")
        # Implement your spam report processing logic
        return True

    async def _log_authentication_failure(self, request: WebhookRequest):
        """Log authentication failure for security monitoring"""
        
        security_event = {
            'event_type': 'authentication_failure',
            'timestamp': datetime.utcnow().isoformat(),
            'request_id': request.request_id,
            'source_ip': request.source_ip,
            'attempted_methods': [method.value for method in self.config.authentication_methods],
            'headers': dict(request.headers)
        }
        
        self.security_events.append(security_event)
        self.logger.warning(f"Authentication failure: {security_event}")
    
    async def _log_security_failure(self, request: WebhookRequest, 
                                  security_checks: List[Tuple[str, bool]]):
        """Log security validation failure"""
        
        security_event = {
            'event_type': 'security_validation_failure',
            'timestamp': datetime.utcnow().isoformat(),
            'request_id': request.request_id,
            'source_ip': request.source_ip,
            'failed_checks': [name for name, passed in security_checks if not passed],
            'security_alerts': request.security_alerts
        }
        
        self.security_events.append(security_event)
        self.logger.error(f"Security validation failure: {security_event}")
    
    async def _log_successful_processing(self, request: WebhookRequest):
        """Log successful webhook processing"""
        
        success_event = {
            'event_type': 'webhook_processed_successfully',
            'timestamp': datetime.utcnow().isoformat(),
            'request_id': request.request_id,
            'source_ip': request.source_ip,
            'authentication_method': request.authentication_method.value if request.authentication_method else None,
            'payload_event_type': request.payload.get('event_type')
        }
        
        self.logger.info(f"Webhook processed successfully: {success_event}")

# Rate limiting implementation
class WebhookRateLimiter:
    def __init__(self, requests_per_minute: int, window_minutes: int = 1):
        self.requests_per_minute = requests_per_minute
        self.window_seconds = window_minutes * 60
        self.request_counts = {}
        
    async def check_rate_limit(self, identifier: str, request_id: str) -> bool:
        """Check if request is within rate limits"""
        
        current_time = time.time()
        window_start = current_time - self.window_seconds
        
        # Clean old entries
        if identifier in self.request_counts:
            self.request_counts[identifier] = [
                timestamp for timestamp in self.request_counts[identifier]
                if timestamp > window_start
            ]
        else:
            self.request_counts[identifier] = []
        
        # Check if current request count exceeds limit
        current_count = len(self.request_counts[identifier])
        
        if current_count >= self.requests_per_minute:
            logging.warning(f"Rate limit exceeded for {identifier}: {current_count} requests")
            return False
        
        # Add current request
        self.request_counts[identifier].append(current_time)
        
        return True

# Usage demonstration
async def demonstrate_webhook_security():
    """Demonstrate comprehensive webhook security implementation"""
    
    # Configure webhook security
    security_config = WebhookSecurityConfig(
        webhook_id="email_events_webhook",
        authentication_methods=[
            AuthenticationMethod.HMAC_SHA256,
            AuthenticationMethod.JWT_TOKEN
        ],
        security_level=SecurityLevel.ENHANCED,
        allowed_ips=["192.168.1.0/24", "10.0.0.0/8"],
        rate_limit_per_minute=100,
        replay_window_seconds=300,
        require_tls=True,
        validate_payload_structure=True
    )
    
    # Initialize security system
    webhook_security = AdvancedWebhookSecurity(security_config)
    
    print("=== Webhook Security Demo ===")
    
    # Simulate incoming webhook request
    webhook_request = WebhookRequest(
        request_id="req_123456",
        timestamp=datetime.utcnow(),
        source_ip="192.168.1.100",
        headers={
            'Content-Type': 'application/json',
            'X-Webhook-Signature': 'sha256=example_signature',
            'X-Webhook-Timestamp': str(int(time.time())),
            'Authorization': 'Bearer example_jwt_token',
            'X-Forwarded-Proto': 'https'
        },
        payload={
            'event_type': 'email.delivered',
            'timestamp': datetime.utcnow().isoformat(),
            'data': {
                'message_id': 'msg_789',
                'recipient': 'user@example.com',
                'timestamp': datetime.utcnow().isoformat(),
                'campaign_id': 'campaign_123'
            }
        }
    )
    
    # Process webhook with security
    result = await webhook_security.process_secure_webhook(webhook_request)
    
    print(f"Processing Result:")
    print(f"  Request ID: {result['request_id']}")
    print(f"  Authentication: {result['authentication_status']}")
    print(f"  Security: {result['security_status']}")
    print(f"  Processing: {result['processing_status']}")
    
    if result['alerts']:
        print(f"  Security Alerts: {result['alerts']}")
    
    return webhook_security

if __name__ == "__main__":
    result = asyncio.run(demonstrate_webhook_security())
    print("Webhook security system ready!")

class WebhookSecurityMonitor:
    def __init__(self, alert_config):
        self.alert_config = alert_config
        self.security_metrics = {}
        self.threat_detection_rules = []
        
    async def monitor_webhook_security(self, security_events):
        """Monitor webhook security events and generate alerts"""
        
        # Analyze security event patterns
        threat_analysis = await self.analyze_threat_patterns(security_events)
        
        # Check for suspicious activity
        if threat_analysis['risk_level'] > self.alert_config['risk_threshold']:
            await self.generate_security_alert(threat_analysis)
        
        # Update security metrics
        await self.update_security_metrics(security_events)
    
    async def analyze_threat_patterns(self, events):
        """Analyze security events for threat patterns"""
        
        # Pattern detection algorithms
        patterns = {
            'brute_force_attempts': self.detect_brute_force(events),
            'replay_attacks': self.detect_replay_patterns(events),
            'ip_anomalies': self.detect_ip_anomalies(events),
            'payload_anomalies': self.detect_payload_anomalies(events)
        }
        
        # Calculate overall risk level
        risk_level = self.calculate_risk_level(patterns)
        
        return {
            'patterns': patterns,
            'risk_level': risk_level,
            'recommended_actions': self.get_recommended_actions(patterns)
        }

class WebhookAnomalyDetector:
    def __init__(self):
        self.baseline_patterns = {}
        self.anomaly_threshold = 0.95
        
    async def detect_anomalies(self, webhook_data):
        """Detect anomalous webhook patterns using ML"""
        
        # Feature extraction
        features = self.extract_features(webhook_data)
        
        # Anomaly scoring
        anomaly_score = await self.calculate_anomaly_score(features)
        
        # Classification
        is_anomalous = anomaly_score > self.anomaly_threshold
        
        return {
            'is_anomalous': is_anomalous,
            'anomaly_score': anomaly_score,
            'suspicious_features': self.identify_suspicious_features(features)
        }