Files
smartmta/dist_ts/security/classes.securitylogger.js
2026-02-10 15:54:09 +00:00

235 lines
17 KiB
JavaScript

import * as plugins from '../plugins.js';
import { logger } from '../logger.js';
/**
* Log level for security events
*/
export var SecurityLogLevel;
(function (SecurityLogLevel) {
SecurityLogLevel["INFO"] = "info";
SecurityLogLevel["WARN"] = "warn";
SecurityLogLevel["ERROR"] = "error";
SecurityLogLevel["CRITICAL"] = "critical";
})(SecurityLogLevel || (SecurityLogLevel = {}));
/**
* Security event types for categorization
*/
export var SecurityEventType;
(function (SecurityEventType) {
SecurityEventType["AUTHENTICATION"] = "authentication";
SecurityEventType["ACCESS_CONTROL"] = "access_control";
SecurityEventType["EMAIL_VALIDATION"] = "email_validation";
SecurityEventType["EMAIL_PROCESSING"] = "email_processing";
SecurityEventType["EMAIL_FORWARDING"] = "email_forwarding";
SecurityEventType["EMAIL_DELIVERY"] = "email_delivery";
SecurityEventType["DKIM"] = "dkim";
SecurityEventType["SPF"] = "spf";
SecurityEventType["DMARC"] = "dmarc";
SecurityEventType["RATE_LIMIT"] = "rate_limit";
SecurityEventType["RATE_LIMITING"] = "rate_limiting";
SecurityEventType["SPAM"] = "spam";
SecurityEventType["MALWARE"] = "malware";
SecurityEventType["CONNECTION"] = "connection";
SecurityEventType["DATA_EXPOSURE"] = "data_exposure";
SecurityEventType["CONFIGURATION"] = "configuration";
SecurityEventType["IP_REPUTATION"] = "ip_reputation";
SecurityEventType["REJECTED_CONNECTION"] = "rejected_connection";
})(SecurityEventType || (SecurityEventType = {}));
/**
* Security logger for enhanced security monitoring
*/
export class SecurityLogger {
static instance;
securityEvents = [];
maxEventHistory;
enableNotifications;
constructor(options) {
this.maxEventHistory = options?.maxEventHistory || 1000;
this.enableNotifications = options?.enableNotifications || false;
}
/**
* Get singleton instance
*/
static getInstance(options) {
if (!SecurityLogger.instance) {
SecurityLogger.instance = new SecurityLogger(options);
}
return SecurityLogger.instance;
}
/**
* Log a security event
* @param event The security event to log
*/
logEvent(event) {
const fullEvent = {
...event,
timestamp: Date.now()
};
// Store in memory buffer
this.securityEvents.push(fullEvent);
// Trim history if needed
if (this.securityEvents.length > this.maxEventHistory) {
this.securityEvents.shift();
}
// Log to regular logger with appropriate level
switch (event.level) {
case SecurityLogLevel.INFO:
logger.log('info', `[SECURITY:${event.type}] ${event.message}`, event.details);
break;
case SecurityLogLevel.WARN:
logger.log('warn', `[SECURITY:${event.type}] ${event.message}`, event.details);
break;
case SecurityLogLevel.ERROR:
case SecurityLogLevel.CRITICAL:
logger.log('error', `[SECURITY:${event.type}] ${event.message}`, event.details);
// Send notification for critical events if enabled
if (event.level === SecurityLogLevel.CRITICAL && this.enableNotifications) {
this.sendNotification(fullEvent);
}
break;
}
}
/**
* Get recent security events
* @param limit Maximum number of events to return
* @param filter Filter for specific event types
* @returns Recent security events
*/
getRecentEvents(limit = 100, filter) {
let filteredEvents = this.securityEvents;
// Apply filters
if (filter) {
if (filter.level) {
filteredEvents = filteredEvents.filter(event => event.level === filter.level);
}
if (filter.type) {
filteredEvents = filteredEvents.filter(event => event.type === filter.type);
}
if (filter.fromTimestamp) {
filteredEvents = filteredEvents.filter(event => event.timestamp >= filter.fromTimestamp);
}
if (filter.toTimestamp) {
filteredEvents = filteredEvents.filter(event => event.timestamp <= filter.toTimestamp);
}
}
// Return most recent events up to limit
return filteredEvents
.sort((a, b) => b.timestamp - a.timestamp)
.slice(0, limit);
}
/**
* Get events by security level
* @param level The security level to filter by
* @param limit Maximum number of events to return
* @returns Security events matching the level
*/
getEventsByLevel(level, limit = 100) {
return this.getRecentEvents(limit, { level });
}
/**
* Get events by security type
* @param type The event type to filter by
* @param limit Maximum number of events to return
* @returns Security events matching the type
*/
getEventsByType(type, limit = 100) {
return this.getRecentEvents(limit, { type });
}
/**
* Get security events for a specific IP address
* @param ipAddress The IP address to filter by
* @param limit Maximum number of events to return
* @returns Security events for the IP address
*/
getEventsByIP(ipAddress, limit = 100) {
return this.securityEvents
.filter(event => event.ipAddress === ipAddress)
.sort((a, b) => b.timestamp - a.timestamp)
.slice(0, limit);
}
/**
* Get security events for a specific domain
* @param domain The domain to filter by
* @param limit Maximum number of events to return
* @returns Security events for the domain
*/
getEventsByDomain(domain, limit = 100) {
return this.securityEvents
.filter(event => event.domain === domain)
.sort((a, b) => b.timestamp - a.timestamp)
.slice(0, limit);
}
/**
* Send a notification for critical security events
* @param event The security event to notify about
* @private
*/
sendNotification(event) {
// In a production environment, this would integrate with a notification service
// For now, we'll just log that we would send a notification
logger.log('error', `[SECURITY NOTIFICATION] ${event.message}`, {
...event,
notificationSent: true
});
// Future integration with alerting systems would go here
}
/**
* Clear event history
*/
clearEvents() {
this.securityEvents = [];
}
/**
* Get statistical summary of security events
* @param timeWindow Optional time window in milliseconds
* @returns Summary of security events
*/
getEventsSummary(timeWindow) {
// Filter by time window if provided
let events = this.securityEvents;
if (timeWindow) {
const cutoff = Date.now() - timeWindow;
events = events.filter(e => e.timestamp >= cutoff);
}
// Count by level
const byLevel = Object.values(SecurityLogLevel).reduce((acc, level) => {
acc[level] = events.filter(e => e.level === level).length;
return acc;
}, {});
// Count by type
const byType = Object.values(SecurityEventType).reduce((acc, type) => {
acc[type] = events.filter(e => e.type === type).length;
return acc;
}, {});
// Count by IP
const ipCounts = new Map();
events.forEach(e => {
if (e.ipAddress) {
ipCounts.set(e.ipAddress, (ipCounts.get(e.ipAddress) || 0) + 1);
}
});
// Count by domain
const domainCounts = new Map();
events.forEach(e => {
if (e.domain) {
domainCounts.set(e.domain, (domainCounts.get(e.domain) || 0) + 1);
}
});
// Sort and limit top entries
const topIPs = Array.from(ipCounts.entries())
.map(([ip, count]) => ({ ip, count }))
.sort((a, b) => b.count - a.count)
.slice(0, 10);
const topDomains = Array.from(domainCounts.entries())
.map(([domain, count]) => ({ domain, count }))
.sort((a, b) => b.count - a.count)
.slice(0, 10);
return {
total: events.length,
byLevel,
byType,
topIPs,
topDomains
};
}
}
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