/**
* Audit Logger
*/
import { createChildLogger } from '../utils/logger.js';
import type { AuditLogEntry } from '../types.js';
const logger = createChildLogger('audit');
export class AuditLogger {
private entries: AuditLogEntry[] = [];
private maxEntries: number;
constructor(maxEntries: number = 10000) {
this.maxEntries = maxEntries;
}
log(entry: Omit<AuditLogEntry, 'id' | 'timestamp'>): void {
const fullEntry: AuditLogEntry = {
id: `audit-${Date.now()}-${Math.random().toString(36).substring(2, 8)}`,
timestamp: new Date().toISOString(),
...entry,
};
this.entries.push(fullEntry);
// Trim if needed
if (this.entries.length > this.maxEntries) {
this.entries = this.entries.slice(-this.maxEntries);
}
// Log to console
if (entry.result === 'error') {
logger.error({ ...fullEntry }, 'Tool execution failed');
} else {
logger.info({ tool: entry.tool, duration: entry.duration }, 'Tool executed');
}
}
getEntries(limit: number = 100): AuditLogEntry[] {
return this.entries.slice(-limit);
}
getEntriesByTool(tool: string, limit: number = 100): AuditLogEntry[] {
return this.entries.filter(e => e.tool === tool).slice(-limit);
}
clear(): void {
this.entries = [];
logger.info('Audit log cleared');
}
}
