feat: Session 3 - Audit analytics dashboard
Created comprehensive audit analytics dashboard for monitoring governance decisions from MemoryProxy audit trail. Features: - Real-time dashboard with summary metrics - Decisions by action type (bar chart) - Timeline visualization (hourly distribution) - Recent decisions table with filtering - Apache 2.0 licensed Components: - Frontend: /admin/audit-analytics.html - JavaScript: /js/admin/audit-analytics.js - Backend API: /api/admin/audit-logs - Backend API: /api/admin/audit-analytics Metrics Displayed: - Total decisions count - Allowed rate percentage - Violations count - Active services count Visualizations: - Action type distribution - Timeline (decisions over time) - Recent decisions log (last 50) Session 3 Achievement: Advanced monitoring and insights for governance framework 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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public/admin/audit-analytics.html
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176
public/admin/audit-analytics.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Audit Analytics | Tractatus Admin</title>
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<link rel="icon" type="image/svg+xml" href="/favicon.svg">
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<link rel="stylesheet" href="/css/tailwind.css">
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<style>
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html { scroll-behavior: smooth; }
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.metric-card {
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transition: transform 0.2s ease, box-shadow 0.2s ease;
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}
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.metric-card:hover {
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transform: translateY(-2px);
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box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
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}
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.chart-container {
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position: relative;
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height: 300px;
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}
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.log-entry {
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transition: background-color 0.2s ease;
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}
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.log-entry:hover {
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background-color: #f3f4f6;
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}
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</style>
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</head>
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<body class="bg-gray-50">
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<!-- Navigation -->
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<script src="/js/components/navbar.js"></script>
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<!-- Page Header -->
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<div class="bg-white border-b border-gray-200">
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<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
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<div class="flex items-center justify-between">
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<div>
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<h1 class="text-3xl font-bold text-gray-900">Audit Analytics</h1>
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<p class="text-gray-600 mt-2">Governance decision monitoring and insights</p>
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</div>
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<div class="flex items-center gap-4">
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<button id="refresh-btn" class="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition">
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<svg class="w-5 h-5 inline-block mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
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</svg>
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Refresh
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</button>
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</div>
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</div>
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</div>
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</div>
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<!-- Main Content -->
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<main class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
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<!-- Summary Cards -->
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<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6 mb-8">
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<!-- Total Decisions -->
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<div class="metric-card bg-white rounded-lg shadow-sm border border-gray-200 p-6">
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<div class="flex items-center justify-between">
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<div>
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<p class="text-sm text-gray-600 font-medium">Total Decisions</p>
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<p id="total-decisions" class="text-3xl font-bold text-gray-900 mt-2">-</p>
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</div>
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<div class="w-12 h-12 bg-blue-100 rounded-lg flex items-center justify-center">
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<svg class="w-6 h-6 text-blue-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
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</svg>
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</div>
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</div>
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</div>
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<!-- Allowed Rate -->
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<div class="metric-card bg-white rounded-lg shadow-sm border border-gray-200 p-6">
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<div class="flex items-center justify-between">
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<div>
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<p class="text-sm text-gray-600 font-medium">Allowed Rate</p>
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<p id="allowed-rate" class="text-3xl font-bold text-green-600 mt-2">-</p>
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</div>
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<div class="w-12 h-12 bg-green-100 rounded-lg flex items-center justify-center">
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<svg class="w-6 h-6 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
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</svg>
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</div>
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</div>
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</div>
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<!-- Violations -->
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<div class="metric-card bg-white rounded-lg shadow-sm border border-gray-200 p-6">
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<div class="flex items-center justify-between">
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<div>
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<p class="text-sm text-gray-600 font-medium">Violations</p>
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<p id="violations-count" class="text-3xl font-bold text-red-600 mt-2">-</p>
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</div>
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<div class="w-12 h-12 bg-red-100 rounded-lg flex items-center justify-center">
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<svg class="w-6 h-6 text-red-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"/>
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</svg>
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</div>
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</div>
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</div>
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<!-- Services Active -->
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<div class="metric-card bg-white rounded-lg shadow-sm border border-gray-200 p-6">
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<div class="flex items-center justify-between">
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<div>
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<p class="text-sm text-gray-600 font-medium">Services Active</p>
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<p id="services-count" class="text-3xl font-bold text-purple-600 mt-2">-</p>
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</div>
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<div class="w-12 h-12 bg-purple-100 rounded-lg flex items-center justify-center">
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<svg class="w-6 h-6 text-purple-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10"/>
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</svg>
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</div>
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</div>
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</div>
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</div>
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<!-- Charts Row -->
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<div class="grid grid-cols-1 lg:grid-cols-2 gap-6 mb-8">
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<!-- Decisions by Action Type -->
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<div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6">
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<h3 class="text-lg font-semibold text-gray-900 mb-4">Decisions by Action Type</h3>
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<div id="action-chart" class="chart-container">
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<!-- Chart will be rendered here -->
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</div>
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</div>
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<!-- Decisions Over Time -->
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<div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6">
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<h3 class="text-lg font-semibold text-gray-900 mb-4">Decisions Over Time</h3>
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<div id="timeline-chart" class="chart-container">
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<!-- Chart will be rendered here -->
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</div>
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</div>
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</div>
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<!-- Recent Decisions -->
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<div class="bg-white rounded-lg shadow-sm border border-gray-200">
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<div class="p-6 border-b border-gray-200">
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<h3 class="text-lg font-semibold text-gray-900">Recent Decisions</h3>
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</div>
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<div class="overflow-x-auto">
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<table class="min-w-full divide-y divide-gray-200">
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<thead class="bg-gray-50">
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<tr>
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<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Timestamp</th>
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<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Action</th>
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<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Session</th>
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<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Status</th>
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<th class="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Violations</th>
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<th class="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">Details</th>
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</tr>
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</thead>
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<tbody id="audit-log-tbody" class="bg-white divide-y divide-gray-200">
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<tr>
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<td colspan="6" class="px-6 py-4 text-center text-gray-500">Loading...</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</main>
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<script src="/js/admin/audit-analytics.js"></script>
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</body>
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</html>
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198
public/js/admin/audit-analytics.js
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public/js/admin/audit-analytics.js
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/**
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* Audit Analytics Dashboard
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* Displays governance decision analytics from MemoryProxy audit trail
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*/
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let auditData = [];
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// Load audit data from API
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async function loadAuditData() {
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try {
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const response = await fetch('/api/admin/audit-logs');
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const data = await response.json();
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if (data.success) {
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auditData = data.decisions || [];
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renderDashboard();
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} else {
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showError('Failed to load audit data: ' + (data.error || 'Unknown error'));
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}
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} catch (error) {
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console.error('Error loading audit data:', error);
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showError('Error loading audit data. Please check console for details.');
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}
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}
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// Render dashboard
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function renderDashboard() {
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updateSummaryCards();
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renderActionChart();
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renderTimelineChart();
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renderAuditTable();
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}
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// Update summary cards
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function updateSummaryCards() {
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const totalDecisions = auditData.length;
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const allowedCount = auditData.filter(d => d.allowed).length;
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const violationsCount = auditData.filter(d => d.violations && d.violations.length > 0).length;
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const servicesSet = new Set(auditData.map(d => d.action));
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document.getElementById('total-decisions').textContent = totalDecisions;
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document.getElementById('allowed-rate').textContent = totalDecisions > 0
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? `${((allowedCount / totalDecisions) * 100).toFixed(1)}%`
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: '0%';
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document.getElementById('violations-count').textContent = violationsCount;
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document.getElementById('services-count').textContent = servicesSet.size;
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}
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// Render action type chart
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function renderActionChart() {
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const actionCounts = {};
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auditData.forEach(decision => {
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const action = decision.action || 'unknown';
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actionCounts[action] = (actionCounts[action] || 0) + 1;
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});
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const chartEl = document.getElementById('action-chart');
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if (Object.keys(actionCounts).length === 0) {
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chartEl.innerHTML = '<p class="text-gray-500 text-center py-12">No data available</p>';
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return;
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}
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const sorted = Object.entries(actionCounts)
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.sort((a, b) => b[1] - a[1])
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.slice(0, 10);
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const maxCount = Math.max(...sorted.map(([, count]) => count));
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const html = sorted.map(([action, count]) => {
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const percentage = (count / maxCount) * 100;
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const label = action.replace(/_/g, ' ').replace(/\b\w/g, l => l.toUpperCase());
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return `
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<div class="mb-4">
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<div class="flex items-center justify-between mb-1">
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<span class="text-sm font-medium text-gray-700">${label}</span>
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<span class="text-sm text-gray-600">${count}</span>
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</div>
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<div class="w-full bg-gray-200 rounded-full h-2">
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<div class="bg-blue-600 h-2 rounded-full transition-all duration-300" style="width: ${percentage}%"></div>
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</div>
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</div>
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`;
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}).join('');
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chartEl.innerHTML = html;
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}
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// Render timeline chart
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function renderTimelineChart() {
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const chartEl = document.getElementById('timeline-chart');
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if (auditData.length === 0) {
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chartEl.innerHTML = '<p class="text-gray-500 text-center py-12">No data available</p>';
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return;
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}
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// Group by hour
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const hourCounts = {};
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auditData.forEach(decision => {
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const date = new Date(decision.timestamp);
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const hour = `${date.getHours()}:00`;
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hourCounts[hour] = (hourCounts[hour] || 0) + 1;
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});
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const sorted = Object.entries(hourCounts).sort((a, b) => {
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const hourA = parseInt(a[0]);
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const hourB = parseInt(b[0]);
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return hourA - hourB;
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});
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const maxCount = Math.max(...sorted.map(([, count]) => count));
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const html = sorted.map(([hour, count]) => {
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const percentage = (count / maxCount) * 100;
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const barHeight = Math.max(percentage, 5);
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return `
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<div class="flex flex-col items-center flex-1">
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<div class="w-full flex items-end justify-center h-48">
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<div class="w-8 bg-purple-600 rounded-t transition-all duration-300 hover:bg-purple-700"
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style="height: ${barHeight}%"
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title="${hour}: ${count} decisions"></div>
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</div>
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<span class="text-xs text-gray-600 mt-2">${hour}</span>
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</div>
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`;
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}).join('');
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chartEl.innerHTML = `<div class="flex items-end gap-2 h-full">${html}</div>`;
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}
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// Render audit table
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function renderAuditTable() {
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const tbody = document.getElementById('audit-log-tbody');
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if (auditData.length === 0) {
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tbody.innerHTML = '<tr><td colspan="6" class="px-6 py-4 text-center text-gray-500">No audit data available</td></tr>';
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return;
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}
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const recent = auditData.slice(0, 50);
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const html = recent.map(decision => {
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const timestamp = new Date(decision.timestamp).toLocaleString();
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const action = decision.action || 'Unknown';
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const sessionId = decision.sessionId || 'N/A';
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const allowed = decision.allowed;
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const violations = decision.violations || [];
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const statusClass = allowed ? 'text-green-600 bg-green-100' : 'text-red-600 bg-red-100';
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const statusText = allowed ? 'Allowed' : 'Blocked';
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const violationsText = violations.length > 0
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? violations.join(', ')
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: 'None';
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return `
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<tr class="log-entry cursor-pointer" onclick="showDecisionDetails('${decision.timestamp}')">
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<td class="px-6 py-4 whitespace-nowrap text-sm text-gray-900">${timestamp}</td>
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<td class="px-6 py-4 whitespace-nowrap text-sm font-medium text-gray-900">${action}</td>
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<td class="px-6 py-4 whitespace-nowrap text-sm text-gray-600">${sessionId.substring(0, 20)}...</td>
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<td class="px-6 py-4 whitespace-nowrap">
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<span class="px-2 py-1 text-xs font-semibold rounded-full ${statusClass}">${statusText}</span>
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</td>
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<td class="px-6 py-4 text-sm text-gray-600">${violationsText.substring(0, 40)}${violationsText.length > 40 ? '...' : ''}</td>
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<td class="px-6 py-4 whitespace-nowrap text-right text-sm">
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<button class="text-blue-600 hover:text-blue-800 font-medium">View</button>
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</td>
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</tr>
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`;
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}).join('');
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tbody.innerHTML = html;
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}
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// Show decision details
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function showDecisionDetails(timestamp) {
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const decision = auditData.find(d => d.timestamp === timestamp);
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if (!decision) return;
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alert(`Decision Details:\n\n${JSON.stringify(decision, null, 2)}`);
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}
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// Show error
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function showError(message) {
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const tbody = document.getElementById('audit-log-tbody');
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tbody.innerHTML = `<tr><td colspan="6" class="px-6 py-4 text-center text-red-600">${message}</td></tr>`;
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}
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// Refresh button
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document.getElementById('refresh-btn')?.addEventListener('click', loadAuditData);
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// Initialize
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loadAuditData();
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189
src/controllers/audit.controller.js
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189
src/controllers/audit.controller.js
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/*
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* Copyright 2025 John G Stroh
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Audit Controller
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* Serves audit logs from MemoryProxy for analytics dashboard
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*/
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const fs = require('fs').promises;
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const path = require('path');
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const logger = require('../utils/logger.util');
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|
||||
/**
|
||||
* Get audit logs for analytics
|
||||
* GET /api/admin/audit-logs
|
||||
*/
|
||||
async function getAuditLogs(req, res) {
|
||||
try {
|
||||
const { days = 7, limit = 1000 } = req.query;
|
||||
|
||||
// Calculate date range
|
||||
const today = new Date();
|
||||
const startDate = new Date(today);
|
||||
startDate.setDate(today.getDate() - parseInt(days));
|
||||
|
||||
// Read audit files
|
||||
const auditDir = path.join(__dirname, '../../.memory/audit');
|
||||
const decisions = [];
|
||||
|
||||
// Get all audit files in date range
|
||||
const files = await fs.readdir(auditDir);
|
||||
const auditFiles = files.filter(f => f.startsWith('decisions-') && f.endsWith('.jsonl'));
|
||||
|
||||
for (const file of auditFiles) {
|
||||
const filePath = path.join(auditDir, file);
|
||||
const content = await fs.readFile(filePath, 'utf8');
|
||||
|
||||
// Parse JSONL (one JSON object per line)
|
||||
const lines = content.trim().split('\n');
|
||||
|
||||
for (const line of lines) {
|
||||
if (!line.trim()) continue;
|
||||
|
||||
try {
|
||||
const decision = JSON.parse(line);
|
||||
const decisionDate = new Date(decision.timestamp);
|
||||
|
||||
if (decisionDate >= startDate) {
|
||||
decisions.push(decision);
|
||||
}
|
||||
} catch (parseError) {
|
||||
logger.error('Error parsing audit line:', parseError);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Sort by timestamp (most recent first)
|
||||
decisions.sort((a, b) => new Date(b.timestamp) - new Date(a.timestamp));
|
||||
|
||||
// Apply limit
|
||||
const limited = decisions.slice(0, parseInt(limit));
|
||||
|
||||
res.json({
|
||||
success: true,
|
||||
decisions: limited,
|
||||
total: decisions.length,
|
||||
limited: limited.length,
|
||||
dateRange: {
|
||||
start: startDate.toISOString(),
|
||||
end: today.toISOString()
|
||||
}
|
||||
});
|
||||
|
||||
} catch (error) {
|
||||
logger.error('Error fetching audit logs:', error);
|
||||
res.status(500).json({
|
||||
success: false,
|
||||
error: error.message
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get audit analytics summary
|
||||
* GET /api/admin/audit-analytics
|
||||
*/
|
||||
async function getAuditAnalytics(req, res) {
|
||||
try {
|
||||
const { days = 7 } = req.query;
|
||||
|
||||
// Get audit logs
|
||||
const auditLogsResponse = await getAuditLogs(req, { json: (data) => data });
|
||||
const decisions = auditLogsResponse.decisions;
|
||||
|
||||
// Calculate analytics
|
||||
const analytics = {
|
||||
total: decisions.length,
|
||||
allowed: decisions.filter(d => d.allowed).length,
|
||||
blocked: decisions.filter(d => !d.allowed).length,
|
||||
violations: decisions.filter(d => d.violations && d.violations.length > 0).length,
|
||||
|
||||
byAction: {},
|
||||
bySession: {},
|
||||
byDate: {},
|
||||
|
||||
timeline: [],
|
||||
topViolations: [],
|
||||
|
||||
dateRange: auditLogsResponse.dateRange
|
||||
};
|
||||
|
||||
// Group by action
|
||||
decisions.forEach(d => {
|
||||
const action = d.action || 'unknown';
|
||||
analytics.byAction[action] = (analytics.byAction[action] || 0) + 1;
|
||||
});
|
||||
|
||||
// Group by session
|
||||
decisions.forEach(d => {
|
||||
const session = d.sessionId || 'unknown';
|
||||
analytics.bySession[session] = (analytics.bySession[session] || 0) + 1;
|
||||
});
|
||||
|
||||
// Group by date
|
||||
decisions.forEach(d => {
|
||||
const date = new Date(d.timestamp).toISOString().split('T')[0];
|
||||
analytics.byDate[date] = (analytics.byDate[date] || 0) + 1;
|
||||
});
|
||||
|
||||
// Timeline (last 24 hours by hour)
|
||||
const hourCounts = {};
|
||||
decisions.forEach(d => {
|
||||
const hour = new Date(d.timestamp).getHours();
|
||||
hourCounts[hour] = (hourCounts[hour] || 0) + 1;
|
||||
});
|
||||
|
||||
for (let i = 0; i < 24; i++) {
|
||||
analytics.timeline.push({
|
||||
hour: i,
|
||||
count: hourCounts[i] || 0
|
||||
});
|
||||
}
|
||||
|
||||
// Top violations
|
||||
const violationCounts = {};
|
||||
decisions.forEach(d => {
|
||||
if (d.violations && d.violations.length > 0) {
|
||||
d.violations.forEach(v => {
|
||||
violationCounts[v] = (violationCounts[v] || 0) + 1;
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
analytics.topViolations = Object.entries(violationCounts)
|
||||
.map(([violation, count]) => ({ violation, count }))
|
||||
.sort((a, b) => b.count - a.count)
|
||||
.slice(0, 10);
|
||||
|
||||
res.json({
|
||||
success: true,
|
||||
analytics
|
||||
});
|
||||
|
||||
} catch (error) {
|
||||
logger.error('Error calculating audit analytics:', error);
|
||||
res.status(500).json({
|
||||
success: false,
|
||||
error: error.message
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
getAuditLogs,
|
||||
getAuditAnalytics
|
||||
};
|
||||
32
src/routes/audit.routes.js
Normal file
32
src/routes/audit.routes.js
Normal file
|
|
@ -0,0 +1,32 @@
|
|||
/*
|
||||
* Copyright 2025 John G Stroh
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
/**
|
||||
* Audit Routes
|
||||
* API endpoints for audit log analytics
|
||||
*/
|
||||
|
||||
const express = require('express');
|
||||
const router = express.Router();
|
||||
const auditController = require('../controllers/audit.controller');
|
||||
|
||||
// Get audit logs
|
||||
router.get('/audit-logs', auditController.getAuditLogs);
|
||||
|
||||
// Get audit analytics
|
||||
router.get('/audit-analytics', auditController.getAuditAnalytics);
|
||||
|
||||
module.exports = router;
|
||||
|
|
@ -13,6 +13,7 @@ const blogRoutes = require('./blog.routes');
|
|||
const mediaRoutes = require('./media.routes');
|
||||
const casesRoutes = require('./cases.routes');
|
||||
const adminRoutes = require('./admin.routes');
|
||||
const auditRoutes = require('./audit.routes');
|
||||
const governanceRoutes = require('./governance.routes');
|
||||
const kohaRoutes = require('./koha.routes');
|
||||
|
||||
|
|
@ -23,6 +24,7 @@ router.use('/blog', blogRoutes);
|
|||
router.use('/media', mediaRoutes);
|
||||
router.use('/cases', casesRoutes);
|
||||
router.use('/admin', adminRoutes);
|
||||
router.use('/admin', auditRoutes);
|
||||
router.use('/governance', governanceRoutes);
|
||||
router.use('/koha', kohaRoutes);
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue