security-orchestrator.ts•15.8 kB
import { EventEmitter } from 'events';
import { ZeroTrustFramework } from './zero-trust-framework.js';
import { AuthenticationService, AuthConfig } from './auth-service.js';
import { AuthorizationService } from './authorization-service.js';
export interface SecurityConfig {
auth: AuthConfig;
zeroTrust: {
enabled: boolean;
strictMode: boolean;
riskThreshold: number;
adaptiveAuthentication: boolean;
};
monitoring: {
enabled: boolean;
alertThreshold: number;
incidentResponse: boolean;
};
compliance: {
frameworks: string[];
auditLogging: boolean;
dataRetention: number;
};
}
export interface SecurityEvent {
id: string;
type: 'authentication' | 'authorization' | 'threat' | 'compliance' | 'audit';
severity: 'low' | 'medium' | 'high' | 'critical';
timestamp: Date;
userId?: string;
resource?: string;
action?: string;
details: Record<string, any>;
resolved: boolean;
}
export interface SecurityMetrics {
authentication: {
totalLogins: number;
successfulLogins: number;
failedLogins: number;
lockedAccounts: number;
mfaUsage: number;
};
authorization: {
totalAccessRequests: number;
grantedRequests: number;
deniedRequests: number;
policyViolations: number;
};
threats: {
detectedThreats: number;
blockedAttacks: number;
suspiciousActivities: number;
riskScore: number;
};
compliance: {
auditEvents: number;
violations: number;
frameworks: string[];
lastAudit: Date;
};
}
export interface IncidentResponse {
id: string;
type: string;
severity: 'low' | 'medium' | 'high' | 'critical';
status: 'open' | 'investigating' | 'mitigating' | 'resolved';
createdAt: Date;
resolvedAt?: Date;
actions: IncidentAction[];
affectedUsers: string[];
affectedResources: string[];
}
export interface IncidentAction {
id: string;
type: 'block' | 'alert' | 'quarantine' | 'revoke' | 'investigate';
description: string;
timestamp: Date;
automated: boolean;
result?: string;
}
export class SecurityOrchestrator extends EventEmitter {
private zeroTrust: ZeroTrustFramework;
private authService: AuthenticationService;
private authzService: AuthorizationService;
private events = new Map<string, SecurityEvent>();
private incidents = new Map<string, IncidentResponse>();
private metrics: SecurityMetrics;
constructor(private config: SecurityConfig) {
super();
this.authService = new AuthenticationService(config.auth);
this.authzService = new AuthorizationService();
this.zeroTrust = new ZeroTrustFramework({
policies: new Map(),
riskEngine: {
enabled: true,
threshold: config.zeroTrust.riskThreshold,
factors: ['location', 'device', 'behavior', 'network']
},
adaptiveAuth: {
enabled: config.zeroTrust.adaptiveAuthentication,
riskBasedMFA: true,
continuousVerification: true
},
monitoring: {
enabled: config.monitoring.enabled,
realTime: true,
alerting: true
}
});
this.metrics = this.initializeMetrics();
this.setupEventHandlers();
this.startMetricsCollection();
}
async initialize(): Promise<void> {
try {
await this.zeroTrust.initialize();
this.emit('securityInitialized', { timestamp: new Date() });
} catch (error) {
this.emit('error', { operation: 'initialize', error });
throw error;
}
}
async authenticateUser(request: any): Promise<any> {
try {
// Pre-authentication risk assessment
const riskAssessment = await this.zeroTrust.evaluateRisk({
userId: request.email,
resource: 'authentication',
action: 'login',
context: {
ipAddress: request.ipAddress,
userAgent: request.userAgent,
deviceId: request.deviceId
}
});
// Adjust authentication requirements based on risk
if (riskAssessment.riskScore > this.config.zeroTrust.riskThreshold) {
request.requireStrongMFA = true;
this.recordEvent({
type: 'threat',
severity: 'medium',
details: {
operation: 'authentication',
riskScore: riskAssessment.riskScore,
reasons: riskAssessment.reasons
}
});
}
const authResult = await this.authService.authenticate(request);
// Update metrics
this.metrics.authentication.totalLogins++;
if (authResult.success) {
this.metrics.authentication.successfulLogins++;
} else {
this.metrics.authentication.failedLogins++;
}
// Post-authentication verification
if (authResult.success && this.config.zeroTrust.enabled) {
const postAuthVerification = await this.zeroTrust.verifyAccess({
userId: authResult.user!.id,
resource: 'system',
action: 'access',
context: {
sessionId: authResult.token?.accessToken,
timestamp: new Date()
}
});
if (!postAuthVerification.allowed) {
this.recordEvent({
type: 'authorization',
severity: 'high',
details: {
operation: 'post-auth-verification',
userId: authResult.user!.id,
reason: postAuthVerification.reason
}
});
return {
success: false,
error: 'Access denied by security policy'
};
}
}
return authResult;
} catch (error) {
this.emit('error', { operation: 'authenticateUser', error });
throw error;
}
}
async authorizeAccess(request: any): Promise<any> {
try {
// Zero Trust evaluation
const zeroTrustResult = await this.zeroTrust.verifyAccess(request);
if (!zeroTrustResult.allowed) {
this.metrics.authorization.deniedRequests++;
this.recordEvent({
type: 'authorization',
severity: 'medium',
details: {
operation: 'access-denied',
userId: request.userId,
resource: request.resource,
reason: zeroTrustResult.reason
}
});
return {
granted: false,
reason: zeroTrustResult.reason
};
}
// Standard authorization check
const authzResult = await this.authzService.checkAccess(request);
// Update metrics
this.metrics.authorization.totalAccessRequests++;
if (authzResult.granted) {
this.metrics.authorization.grantedRequests++;
} else {
this.metrics.authorization.deniedRequests++;
}
// Continuous monitoring
if (authzResult.granted && this.config.zeroTrust.enabled) {
this.startContinuousMonitoring(request.userId, request.resource);
}
return authzResult;
} catch (error) {
this.emit('error', { operation: 'authorizeAccess', error });
throw error;
}
}
async handleSecurityIncident(event: SecurityEvent): Promise<void> {
try {
const incident: IncidentResponse = {
id: this.generateId(),
type: event.type,
severity: event.severity,
status: 'open',
createdAt: new Date(),
actions: [],
affectedUsers: event.userId ? [event.userId] : [],
affectedResources: event.resource ? [event.resource] : []
};
// Automated response based on severity
if (event.severity === 'critical' || event.severity === 'high') {
await this.executeAutomatedResponse(incident, event);
}
this.incidents.set(incident.id, incident);
this.emit('incidentCreated', { incident, event });
// Notify security team
if (this.config.monitoring.incidentResponse) {
this.notifySecurityTeam(incident);
}
} catch (error) {
this.emit('error', { operation: 'handleSecurityIncident', error });
}
}
async generateComplianceReport(framework: string): Promise<any> {
try {
const report = {
framework,
timestamp: new Date(),
period: {
start: new Date(Date.now() - 30 * 24 * 60 * 60 * 1000), // 30 days ago
end: new Date()
},
metrics: this.metrics,
events: Array.from(this.events.values()).filter(e =>
e.type === 'compliance' || e.type === 'audit'
),
violations: this.getComplianceViolations(framework),
recommendations: this.generateComplianceRecommendations(framework)
};
this.emit('complianceReportGenerated', { framework, report });
return report;
} catch (error) {
this.emit('error', { operation: 'generateComplianceReport', error });
throw error;
}
}
getSecurityMetrics(): SecurityMetrics {
return { ...this.metrics };
}
getSecurityEvents(filter?: Partial<SecurityEvent>): SecurityEvent[] {
let events = Array.from(this.events.values());
if (filter) {
events = events.filter(event => {
return Object.entries(filter).every(([key, value]) =>
event[key as keyof SecurityEvent] === value
);
});
}
return events.sort((a, b) => b.timestamp.getTime() - a.timestamp.getTime());
}
getActiveIncidents(): IncidentResponse[] {
return Array.from(this.incidents.values())
.filter(incident => incident.status !== 'resolved')
.sort((a, b) => b.createdAt.getTime() - a.createdAt.getTime());
}
private async executeAutomatedResponse(incident: IncidentResponse, event: SecurityEvent): Promise<void> {
const actions: IncidentAction[] = [];
// Block suspicious IPs
if (event.details.ipAddress && event.severity === 'critical') {
actions.push({
id: this.generateId(),
type: 'block',
description: `Block IP address ${event.details.ipAddress}`,
timestamp: new Date(),
automated: true
});
}
// Revoke user sessions for high-risk activities
if (event.userId && event.severity === 'high') {
actions.push({
id: this.generateId(),
type: 'revoke',
description: `Revoke active sessions for user ${event.userId}`,
timestamp: new Date(),
automated: true
});
}
// Quarantine affected resources
if (event.resource && event.type === 'threat') {
actions.push({
id: this.generateId(),
type: 'quarantine',
description: `Quarantine resource ${event.resource}`,
timestamp: new Date(),
automated: true
});
}
incident.actions.push(...actions);
incident.status = 'mitigating';
// Execute actions
for (const action of actions) {
try {
await this.executeIncidentAction(action);
action.result = 'success';
} catch (error) {
action.result = `failed: ${error.message}`;
}
}
}
private async executeIncidentAction(action: IncidentAction): Promise<void> {
switch (action.type) {
case 'block':
// Implement IP blocking logic
break;
case 'revoke':
// Implement session revocation logic
break;
case 'quarantine':
// Implement resource quarantine logic
break;
default:
break;
}
}
private recordEvent(eventData: Partial<SecurityEvent>): void {
const event: SecurityEvent = {
id: this.generateId(),
timestamp: new Date(),
resolved: false,
...eventData
} as SecurityEvent;
this.events.set(event.id, event);
this.emit('securityEvent', { event });
// Trigger incident response for high severity events
if (event.severity === 'high' || event.severity === 'critical') {
this.handleSecurityIncident(event);
}
}
private startContinuousMonitoring(userId: string, resource: string): void {
// Implement continuous monitoring logic
// This would track user behavior and resource access patterns
}
private notifySecurityTeam(incident: IncidentResponse): void {
// Implement security team notification logic
this.emit('securityAlert', { incident });
}
private getComplianceViolations(framework: string): any[] {
// Return violations specific to the compliance framework
return Array.from(this.events.values())
.filter(event => event.type === 'compliance')
.map(event => ({
eventId: event.id,
violation: event.details.violation,
framework,
timestamp: event.timestamp
}));
}
private generateComplianceRecommendations(framework: string): string[] {
const recommendations: string[] = [];
if (this.metrics.authentication.failedLogins > 100) {
recommendations.push('Consider implementing stronger password policies');
}
if (this.metrics.threats.riskScore > 0.7) {
recommendations.push('Review and update threat detection rules');
}
return recommendations;
}
private setupEventHandlers(): void {
this.authService.on('authenticationFailed', (data) => {
this.recordEvent({
type: 'authentication',
severity: 'medium',
userId: data.userId,
details: data
});
});
this.authService.on('accountLocked', (data) => {
this.recordEvent({
type: 'authentication',
severity: 'high',
userId: data.userId,
details: data
});
this.metrics.authentication.lockedAccounts++;
});
this.authzService.on('accessDenied', (data) => {
this.recordEvent({
type: 'authorization',
severity: 'medium',
userId: data.request.userId,
resource: data.request.resource,
details: data
});
});
this.zeroTrust.on('threatDetected', (data) => {
this.recordEvent({
type: 'threat',
severity: data.severity || 'medium',
userId: data.userId,
details: data
});
this.metrics.threats.detectedThreats++;
});
}
private startMetricsCollection(): void {
setInterval(() => {
this.updateThreatMetrics();
this.cleanupOldEvents();
}, 5 * 60 * 1000); // Every 5 minutes
}
private updateThreatMetrics(): void {
const recentEvents = Array.from(this.events.values())
.filter(event => event.timestamp > new Date(Date.now() - 24 * 60 * 60 * 1000));
this.metrics.threats.suspiciousActivities = recentEvents
.filter(event => event.type === 'threat').length;
// Calculate overall risk score
const riskFactors = recentEvents.length / 100; // Simplified calculation
this.metrics.threats.riskScore = Math.min(riskFactors, 1);
}
private cleanupOldEvents(): void {
const cutoff = new Date(Date.now() - this.config.compliance.dataRetention * 24 * 60 * 60 * 1000);
for (const [id, event] of this.events.entries()) {
if (event.timestamp < cutoff) {
this.events.delete(id);
}
}
}
private initializeMetrics(): SecurityMetrics {
return {
authentication: {
totalLogins: 0,
successfulLogins: 0,
failedLogins: 0,
lockedAccounts: 0,
mfaUsage: 0
},
authorization: {
totalAccessRequests: 0,
grantedRequests: 0,
deniedRequests: 0,
policyViolations: 0
},
threats: {
detectedThreats: 0,
blockedAttacks: 0,
suspiciousActivities: 0,
riskScore: 0
},
compliance: {
auditEvents: 0,
violations: 0,
frameworks: this.config.compliance.frameworks,
lastAudit: new Date()
}
};
}
private generateId(): string {
return Math.random().toString(36).substring(2, 15);
}
}