log-analyzer-vibes/src/securityAnalyzer.js

A security log analyzer with prescriptive intelligence

export function analyzeSecurity(logs) {
    const insights = {
        totalRequests: logs.length,
        errors: 0,
        notFound: 0,
        suspiciousIPs: []
    };

    const ipCount = {};

    logs.forEach(log => {
        if (log.line.includes('404')) insights.notFound++;
        if (log.type === 'error') insights.errors++;

        const ipMatch = log.line.match(/\b\d{1,3}(\.\d{1,3}){3}\b/);
        if (ipMatch) {
            const ip = ipMatch[0];
            ipCount[ip] = (ipCount[ip] || 0) + 1;
        }
    });

    for (const [ip, count] of Object.entries(ipCount)) {
        if (count > 50) insights.suspiciousIPs.push(ip);
    }

    return insights;
}