218 lines
11 KiB
JavaScript
218 lines
11 KiB
JavaScript
// backend/routes/deviceDetailsHandler.js
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// ─────────────────────────────────────────────────────────────────────────────
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// Device Detail Handler — reads 100% from MongoDB (no live DPI API calls)
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//
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// Architecture:
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// 1. Total download/upload → DeviceStat (latest, DPI API cumulative per-IP)
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// 2. Apps tab → DeviceAppStat (DPI API per-IP per-app, collected
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// by proxy every 5min for top 30 devices)
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// 3. Protocols + Domains → Flow collection (sampled, enriched with domain map)
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// 4. Network Flows tab → Flow collection
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// 5. Threats tab → Threat collection
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// ─────────────────────────────────────────────────────────────────────────────
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const { DeviceStat, DeviceAppStat, Flow, Threat, CustomDeviceLabel } = require('../models/Schemas');
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const User = require('../models/User');
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// Domain → App label for protocol/domain tab enrichment only (NOT for apps tab)
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const DOMAIN_APP_MAP = {
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'youtube.com': 'YouTube', 'googlevideo.com': 'YouTube', 'yt.be': 'YouTube',
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'facebook.com': 'Facebook', 'fbcdn.net': 'Facebook', 'instagram.com': 'Instagram',
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'whatsapp.com': 'WhatsApp', 'wa.me': 'WhatsApp',
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'tiktok.com': 'TikTok', 'tiktokv.com': 'TikTok',
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'cloudflare.com': 'Cloudflare', 'cloudflare-dns.com': 'Cloudflare',
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'google.com': 'Google', 'googleapis.com': 'Google', 'gstatic.com': 'Google',
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'microsoft.com': 'Microsoft', 'microsoftonline.com': 'Microsoft', 'windows.com': 'Microsoft',
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'office.com': 'Microsoft', 'live.com': 'Microsoft', 'azure.com': 'Microsoft',
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'netflix.com': 'Netflix', 'nflximg.net': 'Netflix',
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'twitter.com': 'X (Twitter)', 'twimg.com': 'X (Twitter)',
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'telegram.org': 'Telegram', 'telegram.me': 'Telegram',
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'zoom.us': 'Zoom', 'zoomgov.com': 'Zoom',
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'amazon.com': 'Amazon', 'amazonaws.com': 'Amazon AWS',
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'apple.com': 'Apple', 'icloud.com': 'iCloud',
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'spotify.com': 'Spotify', 'wazuh.com': 'Wazuh (Security)',
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'adobe.com': 'Adobe', 'dropbox.com': 'Dropbox',
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};
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function inferAppFromDomain(domain) {
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if (!domain) return null;
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const lower = domain.toLowerCase().replace(/^www\./, '');
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if (DOMAIN_APP_MAP[lower]) return DOMAIN_APP_MAP[lower];
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for (const [key, app] of Object.entries(DOMAIN_APP_MAP)) {
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if (lower.endsWith('.' + key) || lower === key) return app;
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}
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return null;
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}
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module.exports = async function deviceDetailsHandler(req, res, helpers) {
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const t0 = Date.now();
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try {
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const {
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getTimeFilter, generateMacFromIp,
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resolveDeviceTypeFromIp, resolveOSFromIp, resolveVendorFromIp, generateAutoLabel
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} = helpers;
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let ip = String(req.query.ip ?? '');
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const mac = String(req.query.mac ?? '');
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if (!ip && mac) {
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const dev = await DeviceStat.findOne({ mac_address: mac }).sort({ timestamp: -1 }).lean();
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if (dev) ip = dev.ip_address;
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}
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if (!ip) return res.status(400).json({ ok: false, message: 'ip or mac required' });
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const agentUuidParam = String(req.query.agent_uuid ?? '');
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const metaFilter = {};
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if (req.user?.site_uuid) metaFilter.site_uuid = req.user.site_uuid;
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const device = await DeviceStat.findOne({ ip_address: ip, ...metaFilter }).sort({ timestamp: -1 }).lean();
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const agentUuid = agentUuidParam || device?.agent_uuid || req.user?.agent_uuid || null;
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// ── PRIMARY bandwidth source ─────────────────────────────────────────────
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const totalDownload = device?.download || 0;
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const totalUpload = device?.upload || 0;
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// ── Flow filter ──────────────────────────────────────────────────────────
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const flowFilter = {};
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if (agentUuid) flowFilter.agent_uuid = agentUuid;
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if (req.user?.site_uuid) flowFilter.site_uuid = req.user.site_uuid;
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const rawTimeRange = String(req.query.timeRange ?? 'all');
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if (rawTimeRange !== 'all') {
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const tf = getTimeFilter(req);
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if (tf) flowFilter.timestamp = tf;
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}
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// ── Parallel queries ─────────────────────────────────────────────────────
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const appFilter = agentUuid ? { agent_uuid: agentUuid, ip_address: ip } : { ip_address: ip };
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if (req.user?.site_uuid) appFilter.site_uuid = req.user.site_uuid;
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const [deviceAppStats, flowsQuery, rawThreats] = await Promise.all([
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// PRIMARY: per-device per-app from DPI API (stored by proxy Step 3b)
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DeviceAppStat.find(appFilter).sort({ timestamp: -1 }).lean(),
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Flow.find({ ...flowFilter, $or: [{ src_ip: ip }, { dst_ip: ip }] }).sort({ timestamp: -1 }).lean(),
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Threat.find({ ...(agentUuid ? { agent_uuid: agentUuid } : {}), ip_address: ip })
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.sort({ detected_at: -1 }).lean(),
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]);
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// ── Apps tab — use DeviceAppStat (real DPI per-IP per-app data) ──────────
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// Deduplicate: same app_label may appear across multiple collection cycles
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// Use the LATEST record per app (most recent 24h cumulative value)
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const appLatest = {};
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for (const a of deviceAppStats) {
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const key = a.app_label;
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if (!appLatest[key] || new Date(a.timestamp) > new Date(appLatest[key].timestamp)) {
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appLatest[key] = a;
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}
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}
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const apps = Object.values(appLatest)
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.filter(a => (a.download || 0) + (a.upload || 0) > 0)
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.sort((a, b) => (b.download || 0) - (a.download || 0))
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.map(a => ({
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app_label: a.app_label,
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download: a.download || 0,
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upload: a.upload || 0,
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flows: a.flows || 0,
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first_seen: a.created_at || a.timestamp,
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last_seen: a.updated_at || a.timestamp,
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}));
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// ── Protocol / Domain tabs — from Flow collection ────────────────────────
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const protocolsMap = {}, domainsMap = {}, destinationsMap = {};
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const bump = (map, key, down, up, ls) => {
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if (!map[key]) map[key] = { app_label: key, download: 0, upload: 0, last_seen: ls };
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else if (new Date(ls) > new Date(map[key].last_seen)) map[key].last_seen = ls;
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map[key].download += down;
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map[key].upload += up;
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};
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for (const f of flowsQuery) {
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if (f.src_ip !== ip) continue; // outbound only
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const down = f.download || 0;
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const up = f.upload || 0;
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const ls = f.last_seen || (f.timestamp ? new Date(f.timestamp).toISOString() : new Date().toISOString());
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if (f.app_label) bump(protocolsMap, f.app_label, down, up, ls);
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else if (f.protocol) bump(protocolsMap, f.protocol, down, up, ls);
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if (f.domain) bump(domainsMap, f.domain, down, up, ls);
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if (f.dst_ip) bump(destinationsMap, f.dst_ip, down, up, ls);
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}
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// ── Device metadata ───────────────────────────────────────────────────────
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const targetMac = device?.mac_address || mac || generateMacFromIp(ip);
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const type = (device?.device_type && !['−', 'Unknown', '-'].includes(device.device_type)) ? device.device_type : resolveDeviceTypeFromIp(ip);
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const man = (device?.manufacturer && !['−', 'Unknown', '-'].includes(device.manufacturer)) ? device.manufacturer : resolveVendorFromIp(ip);
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const os = (device?.os_label && !['−', 'Unknown', '-'].includes(device.os_label)) ? device.os_label : resolveOSFromIp(ip);
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const lastSeen = device?.last_seen || device?.timestamp || new Date().toISOString();
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const customLabelDoc = await CustomDeviceLabel.findOne({ mac_address: targetMac }).lean();
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const baseLabel = customLabelDoc?.device_label || device?.device_label;
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const finalLabel = baseLabel && !['−', 'Unknown', 'Generic Client', '-'].includes(baseLabel)
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? baseLabel : generateAutoLabel(ip, targetMac, man, type);
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let agent_label = agentUuid;
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if (agentUuid) {
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const agentUser = await User.findOne({ agent_uuid: agentUuid, role: 'AGENT_VIEWER' }).lean();
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if (agentUser?.account_name) agent_label = agentUser.account_name;
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}
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const threats = rawThreats.map(t => ({
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id: t._id?.toString(),
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threat_type: t.threat_type,
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severity: t.severity,
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ip_address: t.ip_address || t.src_ip,
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dst_ip: t.dst_ip,
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mac_address: t.mac_address || t.src_mac || null,
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app_label: t.app_label || null,
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domain: t.domain || null,
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detected_at: t.detected_at || t.timestamp,
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description: t.description || `Suspicious activity detected from ${t.ip_address || t.src_ip}`,
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agent_uuid: t.agent_uuid,
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}));
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const flows = flowsQuery
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.filter(f => f.src_ip === ip)
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.map(f => ({
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flow_id: f.flow_id || f._id.toString(),
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src_ip: f.src_ip,
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dst_ip: f.dst_ip,
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dst_port: f.dst_port,
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protocol: f.protocol,
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app_label: inferAppFromDomain(f.domain) || f.app_label || 'Other',
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domain: f.domain || null,
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download: f.download || 0,
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upload: f.upload || 0,
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last_seen: f.last_seen || (f.timestamp ? new Date(f.timestamp).toISOString() : null),
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}));
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const elapsed = Date.now() - t0;
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console.log(`[DeviceDetails] ip=${ip} agent=${agentUuid} appsFromDB=${apps.length} flows=${flowsQuery.length} dl=${(totalDownload/1e9).toFixed(2)}GB time=${elapsed}ms`);
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return res.json({
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ok: true,
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data: {
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ip_address: ip,
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mac_address: targetMac,
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device_label: finalLabel,
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device_type: type,
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os_label: os,
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manufacturer: man,
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last_seen: lastSeen,
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total_download: totalDownload,
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total_upload: totalUpload,
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agent_uuid: agentUuid,
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agent_label,
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flows,
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apps,
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protocols: Object.values(protocolsMap).sort((a, b) => b.download - a.download),
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domains: Object.values(domainsMap).sort((a, b) => b.download - a.download),
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destinations: Object.values(destinationsMap).sort((a, b) => b.download - a.download),
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threats,
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},
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});
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} catch (err) {
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console.error('[DeviceDetailsHandler] Error:', err);
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return res.status(500).json({ ok: false, message: err.message });
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}
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};
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