Add sync anomaly detection, BU drift monitoring, and findings count investigation
- Add BU drift checker that classifies archived findings as BU reassignment, severity drift, closure, or decommission via unfiltered Ivanti API queries - Add post-sync anomaly summary with significance threshold and classification breakdown stored in ivanti_sync_anomaly_log table - Add per-finding BU tracking that detects BU changes across syncs and records them in ivanti_finding_bu_history table - Add drift guard that skips trend history writes when total drops more than 50% - Add CLOSED_GONE archive state for findings that vanish from the closed set - Add anomaly banner UI on Vulnerability Triage page for significant sync changes - Add API endpoints for anomaly latest/history and BU change tracking - Add diagnostic scripts for drift checking and BU reassignment verification - Add investigation document and xlsx export for the April 2026 BU reassignment incident where 109 findings were moved to SDIT-CSD-ITLS-PIES - Migrations required: add_closed_gone_state.js, add_sync_anomaly_tables.js
This commit is contained in:
root
@@ -168,7 +168,7 @@ function initArchiveTables(db) {
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finding_title TEXT NOT NULL DEFAULT '',
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host_name TEXT NOT NULL DEFAULT '',
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ip_address TEXT NOT NULL DEFAULT '',
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current_state TEXT NOT NULL CHECK(current_state IN ('ARCHIVED','RETURNED','CLOSED')),
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current_state TEXT NOT NULL CHECK(current_state IN ('ARCHIVED','RETURNED','CLOSED','CLOSED_GONE')),
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last_severity REAL NOT NULL DEFAULT 0,
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first_archived_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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last_transition_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
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@@ -305,7 +305,24 @@ async function detectArchiveChanges(db, previousFindings, currentFindings) {
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}
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}
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console.log(`[Archive Detection] Processed ${disappearedIds.length} disappeared, checked ${currentIdsList.length} current findings against archive`);
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// Count returned findings for anomaly summary
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let returnedCount = 0;
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if (currentIdsList.length > 0) {
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try {
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// Count how many ARCHIVED records transitioned to RETURNED in this cycle
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// (already handled above, just count them)
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const archivedForCount = await dbAll(db,
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`SELECT id, finding_id FROM ivanti_finding_archives WHERE current_state = 'RETURNED' AND last_transition_at >= datetime('now', '-1 minute')`
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);
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returnedCount = archivedForCount.length;
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} catch (err) {
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// Non-fatal — returnedCount stays 0
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}
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}
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console.log(`[Archive Detection] Processed ${disappearedIds.length} disappeared, ${returnedCount} returned, checked ${currentIdsList.length} current findings against archive`);
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return { disappearedIds, returnedCount };
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}
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// ---------------------------------------------------------------------------
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@@ -350,6 +367,54 @@ async function detectClosedFindings(db, closedFindingIds) {
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}
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}
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// ---------------------------------------------------------------------------
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// Closed-gone detection — find archive CLOSED findings that vanished from the
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// Ivanti closed API set. These are findings we previously confirmed as closed
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// but that no longer appear in the closed results (likely VRR rescore below
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// the severity threshold).
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// ---------------------------------------------------------------------------
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async function detectClosedGoneFindings(db, closedFindingIds) {
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if (!closedFindingIds) return;
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const closedSet = new Set(closedFindingIds.map(String));
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try {
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// Get all findings we previously marked as CLOSED in the archive
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const records = await dbAll(db,
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`SELECT id, finding_id, last_severity FROM ivanti_finding_archives WHERE current_state = 'CLOSED'`
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);
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let goneCount = 0;
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for (const record of records) {
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// If this finding is still in the closed API set, it's fine
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if (closedSet.has(record.finding_id)) continue;
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try {
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await dbRun(db,
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`UPDATE ivanti_finding_archives
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SET current_state = 'CLOSED_GONE', last_transition_at = datetime('now')
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WHERE id = ?`,
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[record.id]
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);
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await dbRun(db,
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`INSERT INTO ivanti_archive_transitions (archive_id, from_state, to_state, severity_at_transition, reason, transitioned_at)
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VALUES (?, 'CLOSED', 'CLOSED_GONE', ?, 'disappeared_from_closed_set', datetime('now'))`,
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[record.id, record.last_severity || 0]
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);
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goneCount++;
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} catch (err) {
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console.error(`[Archive Detection] Error marking finding ${record.finding_id} as CLOSED_GONE:`, err.message);
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}
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}
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if (goneCount > 0) {
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console.warn(`[Archive Detection] ${goneCount} previously-closed findings disappeared from the Ivanti closed set (CLOSED → CLOSED_GONE)`);
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}
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} catch (err) {
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console.error('[Archive Detection] Error in closed-gone detection:', err.message);
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}
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}
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// ---------------------------------------------------------------------------
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// Extract only the fields we need from a raw finding object
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// ---------------------------------------------------------------------------
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@@ -461,14 +526,36 @@ async function syncClosedCount(db, openCount, apiKey, clientId, skipTls) {
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[openCount, closedCount]
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);
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// Drift guard — if the new total (open+closed) drops by more than 50%
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// compared to the most recent history snapshot, skip writing to history.
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// This prevents partial API responses from corrupting the trend chart.
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const newTotal = openCount + closedCount;
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let skipHistory = false;
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try {
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const prev = await dbGet(db,
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`SELECT open_count, closed_count FROM ivanti_counts_history ORDER BY recorded_at DESC LIMIT 1`
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);
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if (prev) {
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const prevTotal = (prev.open_count || 0) + (prev.closed_count || 0);
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if (prevTotal > 0 && newTotal < prevTotal * 0.5) {
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console.warn(`[Ivanti Findings] Drift guard triggered — new total ${newTotal} is <50% of previous ${prevTotal}. Skipping history write.`);
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skipHistory = true;
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}
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}
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} catch (err) {
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console.error('[Ivanti Findings] Drift guard check failed (non-fatal):', err.message);
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}
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// Append a snapshot to history — every sync is stored; the history
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// endpoint aggregates to last-per-day at query time (Option B).
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await dbRun(db,
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`INSERT INTO ivanti_counts_history (open_count, closed_count) VALUES (?, ?)`,
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[openCount, closedCount]
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);
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if (!skipHistory) {
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await dbRun(db,
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`INSERT INTO ivanti_counts_history (open_count, closed_count) VALUES (?, ?)`,
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[openCount, closedCount]
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);
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}
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console.log(`[Ivanti Findings] Counts updated — open: ${openCount}, closed: ${closedCount}`);
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console.log(`[Ivanti Findings] Counts updated — open: ${openCount}, closed: ${closedCount}${skipHistory ? ' (history write skipped — drift guard)' : ''}`);
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// Detect closed findings in the archive — wrap in try/catch so errors don't break sync
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try {
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@@ -476,6 +563,13 @@ async function syncClosedCount(db, openCount, apiKey, clientId, skipTls) {
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} catch (err) {
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console.error('[Ivanti Findings] Closed finding archive detection failed (non-fatal):', err.message);
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}
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// Detect findings that vanished from the closed set — CLOSED → CLOSED_GONE
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try {
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await detectClosedGoneFindings(db, closedFindingIds);
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} catch (err) {
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console.error('[Ivanti Findings] Closed-gone detection failed (non-fatal):', err.message);
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}
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} catch (err) {
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console.error('[Ivanti Findings] Failed to fetch closed count:', err.message);
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// Still update open count so it stays in sync; leave closed_count as-is
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@@ -637,6 +731,29 @@ async function syncFindings(db) {
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console.error('[Ivanti Findings] Failed to read previous findings for archive detection:', err.message);
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}
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// Per-finding BU comparison — detect BU changes across syncs (Task 5.1)
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try {
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const previousMap = new Map(previousFindings.map(f => [String(f.id), f]));
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for (const finding of allFindings) {
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try {
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const prev = previousMap.get(String(finding.id));
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if (prev && prev.buOwnership && finding.buOwnership && prev.buOwnership !== finding.buOwnership) {
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await dbRun(db,
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`INSERT INTO ivanti_finding_bu_history (finding_id, finding_title, host_name, previous_bu, new_bu, detected_at)
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VALUES (?, ?, ?, ?, ?, datetime('now'))`,
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[String(finding.id), finding.title || '', finding.hostName || '', prev.buOwnership, finding.buOwnership]
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);
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console.log(`[BU Tracking] Finding ${finding.id} BU changed: ${prev.buOwnership} → ${finding.buOwnership}`);
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}
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// First-time findings (no prev entry) — store BU without recording a change event
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} catch (err) {
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console.error(`[BU Tracking] Error recording BU change for finding ${finding.id}:`, err.message);
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}
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}
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} catch (err) {
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console.error('[BU Tracking] BU comparison failed (non-fatal):', err.message);
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}
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await dbRun(db,
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`UPDATE ivanti_findings_cache SET total=?, findings_json=?, synced_at=datetime('now'), sync_status='success', error_message=NULL WHERE id=1`,
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[allFindings.length, JSON.stringify(allFindings)]
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@@ -646,14 +763,60 @@ async function syncFindings(db) {
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// Archive detection — compare previous vs current to detect disappeared/returned findings
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// Only runs after a successful sync (skipped on error per requirement 1.5)
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let archiveResult = { disappearedIds: [], returnedCount: 0 };
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try {
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await detectArchiveChanges(db, previousFindings, allFindings);
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archiveResult = await detectArchiveChanges(db, previousFindings, allFindings) || { disappearedIds: [], returnedCount: 0 };
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} catch (err) {
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console.error('[Ivanti Findings] Archive detection failed (non-fatal):', err.message);
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}
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// Read previous counts BEFORE syncClosedCount updates them — needed for anomaly deltas
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let previousOpenCount = 0;
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let previousClosedCount = 0;
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try {
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const prevCounts = await dbGet(db,
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`SELECT open_count, closed_count FROM ivanti_counts_cache WHERE id = 1`
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);
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if (prevCounts) {
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previousOpenCount = prevCounts.open_count || 0;
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previousClosedCount = prevCounts.closed_count || 0;
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}
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} catch (err) {
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console.error('[Ivanti Findings] Failed to read previous counts for anomaly summary (non-fatal):', err.message);
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}
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await syncClosedCount(db, allFindings.length, apiKey, clientId, skipTls);
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await syncFPWorkflowCounts(db, allFindings, apiKey, clientId, skipTls);
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// Post-sync: BU drift checker for newly archived findings
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let classificationBreakdown = { bu_reassignment: 0, severity_drift: 0, closed_on_platform: 0, decommissioned: 0 };
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try {
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classificationBreakdown = await runBUDriftChecker(db, archiveResult.disappearedIds, apiKey, clientId, skipTls);
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} catch (err) {
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console.error('[Ivanti Findings] BU drift checker failed (non-fatal):', err.message);
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}
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// Post-sync: Compute and store anomaly summary
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try {
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const currentCounts = await dbGet(db,
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`SELECT open_count, closed_count FROM ivanti_counts_cache WHERE id = 1`
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);
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const currentOpenCount = currentCounts?.open_count || 0;
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const currentClosedCount = currentCounts?.closed_count || 0;
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const openCountDelta = currentOpenCount - previousOpenCount;
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const closedCountDelta = currentClosedCount - previousClosedCount;
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await computeAnomalySummary(
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db,
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openCountDelta,
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closedCountDelta,
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archiveResult.disappearedIds.length,
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archiveResult.returnedCount,
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classificationBreakdown
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);
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} catch (err) {
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console.error('[Ivanti Findings] Anomaly summary failed (non-fatal):', err.message);
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}
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} catch (err) {
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const msg = err.message || 'Unknown error';
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console.error('[Ivanti Findings] Sync failed:', msg);
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@@ -771,6 +934,151 @@ async function readStateWithNotes(db) {
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return state;
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}
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// ---------------------------------------------------------------------------
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// BU Drift Checker — post-sync classification of newly archived findings
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// ---------------------------------------------------------------------------
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const EXPECTED_BUS = new Set(['NTS-AEO-ACCESS-ENG', 'NTS-AEO-STEAM']);
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async function runBUDriftChecker(db, newlyArchivedIds, apiKey, clientId, skipTls) {
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const summary = { bu_reassignment: 0, severity_drift: 0, closed_on_platform: 0, decommissioned: 0 };
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if (!newlyArchivedIds || newlyArchivedIds.length === 0) return summary;
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const urlPath = `/client/${encodeURIComponent(clientId)}/hostFinding/search`;
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const chunkSize = 50;
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// Collect all API results across batches
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const foundMap = new Map();
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for (let i = 0; i < newlyArchivedIds.length; i += chunkSize) {
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const chunk = newlyArchivedIds.slice(i, i + chunkSize);
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const idList = chunk.join(',');
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try {
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const filters = [
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{
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field: 'id',
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exclusive: false,
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operator: 'IN',
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orWithPrevious: false,
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implicitFilters: [],
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value: idList,
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caseSensitive: false
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}
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];
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let page = 0;
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let totalPages = 1;
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do {
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const body = {
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filters,
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projection: 'internal',
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sort: [{ field: 'severity', direction: 'ASC' }],
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page,
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size: 100
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};
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const result = await ivantiPost(urlPath, body, apiKey, skipTls);
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if (result.status !== 200) {
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console.error(`[BU Drift Checker] API returned status ${result.status} for batch starting at index ${i}`);
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break;
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}
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const data = JSON.parse(result.body);
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totalPages = data.page?.totalPages || 1;
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const findings = data._embedded?.hostFindings || [];
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for (const f of findings) {
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const bu = f.assetCustomAttributes?.['1550_host_1']?.[0] || 'UNKNOWN';
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const severity = typeof f.severity === 'number' ? f.severity : parseFloat(f.severity) || 0;
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const state = f.status || f.generic_state || '';
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foundMap.set(String(f.id), { bu, severity, state });
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}
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page++;
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} while (page < totalPages);
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console.log(`[BU Drift Checker] Batch ${Math.floor(i / chunkSize) + 1}: queried ${chunk.length} IDs, found ${foundMap.size} so far`);
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} catch (err) {
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console.error(`[BU Drift Checker] Error querying batch at index ${i}:`, err.message);
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// Skip failed batch, continue with remaining
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}
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}
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// Classify each archived finding and update the archive transition reason
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for (const id of newlyArchivedIds) {
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const found = foundMap.get(id);
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let classification;
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let reason;
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if (!found) {
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classification = 'decommissioned';
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reason = 'decommissioned';
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} else if (!EXPECTED_BUS.has(found.bu)) {
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classification = 'bu_reassignment';
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reason = `bu_reassignment:${found.bu}`;
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} else if (found.severity < 8.5) {
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classification = 'severity_drift';
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reason = `severity_drift:${found.severity}`;
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} else if (found.state === 'Closed') {
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classification = 'closed_on_platform';
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reason = 'closed_on_platform';
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} else {
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// BU matches, severity >= 8.5, not closed — unexpected, leave as default
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classification = 'decommissioned';
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reason = 'decommissioned';
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}
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summary[classification] = (summary[classification] || 0) + 1;
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// Update the most recent archive transition reason for this finding
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try {
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const archive = await dbGet(db,
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`SELECT id FROM ivanti_finding_archives WHERE finding_id = ?`,
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[id]
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);
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if (archive) {
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await dbRun(db,
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`UPDATE ivanti_archive_transitions SET reason = ?
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WHERE archive_id = ? AND id = (
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SELECT id FROM ivanti_archive_transitions
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WHERE archive_id = ? ORDER BY transitioned_at DESC LIMIT 1
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)`,
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[reason, archive.id, archive.id]
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);
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}
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} catch (err) {
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console.error(`[BU Drift Checker] Error updating transition reason for finding ${id}:`, err.message);
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}
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}
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console.log(`[BU Drift Checker] Classification complete:`, summary);
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return summary;
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}
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// ---------------------------------------------------------------------------
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// Anomaly Summary — compute and store post-sync anomaly report
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// ---------------------------------------------------------------------------
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async function computeAnomalySummary(db, openCountDelta, closedCountDelta, newlyArchivedCount, returnedCount, classificationBreakdown) {
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try {
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const isSignificant = newlyArchivedCount > 5 ? 1 : 0;
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const classificationJson = JSON.stringify(classificationBreakdown || {});
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await dbRun(db,
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`INSERT INTO ivanti_sync_anomaly_log
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(sync_timestamp, open_count_delta, closed_count_delta, newly_archived_count, returned_count, classification_json, is_significant)
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VALUES (datetime('now'), ?, ?, ?, ?, ?, ?)`,
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[openCountDelta, closedCountDelta, newlyArchivedCount, returnedCount, classificationJson, isSignificant]
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);
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console.log(`[Anomaly Summary] Sync anomaly logged — open_delta: ${openCountDelta}, closed_delta: ${closedCountDelta}, archived: ${newlyArchivedCount}, returned: ${returnedCount}, significant: ${!!isSignificant}`);
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console.log(`[Anomaly Summary] Classification:`, classificationBreakdown);
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} catch (err) {
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console.error('[Anomaly Summary] Failed to write anomaly summary (non-fatal):', err.message);
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}
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}
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// ---------------------------------------------------------------------------
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// Router
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// ---------------------------------------------------------------------------
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@@ -898,6 +1206,152 @@ function createIvantiFindingsRouter(db, requireAuth) {
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}
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});
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/**
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* GET /api/ivanti/findings/anomaly/latest
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*
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* Return the most recent anomaly summary row from ivanti_sync_anomaly_log.
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* The classification_json column is parsed into an object in the response.
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*
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* @returns {Object} 200 - { anomaly: Object|null }
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* @returns {Object} 500 - { error: string } on database error
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*/
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router.get('/anomaly/latest', async (req, res) => {
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try {
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const row = await dbGet(db,
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`SELECT id, sync_timestamp, open_count_delta, closed_count_delta,
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newly_archived_count, returned_count, classification_json, is_significant
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FROM ivanti_sync_anomaly_log
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ORDER BY sync_timestamp DESC LIMIT 1`
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);
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if (!row) return res.json({ anomaly: null });
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let classification = {};
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try { classification = JSON.parse(row.classification_json || '{}'); } catch (_) {}
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res.json({
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anomaly: {
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id: row.id,
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sync_timestamp: row.sync_timestamp,
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open_count_delta: row.open_count_delta,
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closed_count_delta: row.closed_count_delta,
|
||||
newly_archived_count: row.newly_archived_count,
|
||||
returned_count: row.returned_count,
|
||||
classification,
|
||||
is_significant: !!row.is_significant
|
||||
}
|
||||
});
|
||||
} catch (err) {
|
||||
console.error('[Ivanti Findings] GET /anomaly/latest error:', err.message);
|
||||
res.status(500).json({ error: 'Database error reading latest anomaly' });
|
||||
}
|
||||
});
|
||||
|
||||
/**
|
||||
* GET /api/ivanti/findings/anomaly/history
|
||||
*
|
||||
* Return anomaly history. Accepts optional `from` and `to` query parameters
|
||||
* (ISO date strings) for date-range filtering (inclusive). If neither is
|
||||
* provided, returns the last 30 rows ordered by sync_timestamp descending.
|
||||
*
|
||||
* @query {string} [from] - Inclusive start date (ISO string)
|
||||
* @query {string} [to] - Inclusive end date (ISO string)
|
||||
*
|
||||
* @returns {Object} 200 - { history: Array<Object> }
|
||||
* @returns {Object} 500 - { error: string } on database error
|
||||
*/
|
||||
router.get('/anomaly/history', async (req, res) => {
|
||||
try {
|
||||
const { from, to } = req.query;
|
||||
let rows;
|
||||
|
||||
if (from && to) {
|
||||
rows = await dbAll(db,
|
||||
`SELECT sync_timestamp, open_count_delta, closed_count_delta,
|
||||
newly_archived_count, returned_count, classification_json, is_significant
|
||||
FROM ivanti_sync_anomaly_log
|
||||
WHERE sync_timestamp >= ? AND sync_timestamp <= ?
|
||||
ORDER BY sync_timestamp DESC`,
|
||||
[from, to]
|
||||
);
|
||||
} else {
|
||||
rows = await dbAll(db,
|
||||
`SELECT sync_timestamp, open_count_delta, closed_count_delta,
|
||||
newly_archived_count, returned_count, classification_json, is_significant
|
||||
FROM ivanti_sync_anomaly_log
|
||||
ORDER BY sync_timestamp DESC LIMIT 30`
|
||||
);
|
||||
}
|
||||
|
||||
const history = rows.map(row => {
|
||||
let classification = {};
|
||||
try { classification = JSON.parse(row.classification_json || '{}'); } catch (_) {}
|
||||
return {
|
||||
sync_timestamp: row.sync_timestamp,
|
||||
open_count_delta: row.open_count_delta,
|
||||
closed_count_delta: row.closed_count_delta,
|
||||
newly_archived_count: row.newly_archived_count,
|
||||
returned_count: row.returned_count,
|
||||
classification,
|
||||
is_significant: !!row.is_significant
|
||||
};
|
||||
});
|
||||
|
||||
res.json({ history });
|
||||
} catch (err) {
|
||||
console.error('[Ivanti Findings] GET /anomaly/history error:', err.message);
|
||||
res.status(500).json({ error: 'Database error reading anomaly history' });
|
||||
}
|
||||
});
|
||||
|
||||
/**
|
||||
* GET /api/ivanti/findings/bu-changes
|
||||
*
|
||||
* Return all BU change events from ivanti_finding_bu_history,
|
||||
* ordered by detected_at descending (newest first).
|
||||
*
|
||||
* @returns {Object} 200 - { changes: Array<Object> }
|
||||
* @returns {Object} 500 - { error: string } on database error
|
||||
*/
|
||||
router.get('/bu-changes', async (req, res) => {
|
||||
try {
|
||||
const rows = await dbAll(db,
|
||||
`SELECT id, finding_id, finding_title, host_name, previous_bu, new_bu, detected_at
|
||||
FROM ivanti_finding_bu_history
|
||||
ORDER BY detected_at DESC`
|
||||
);
|
||||
res.json({ changes: rows });
|
||||
} catch (err) {
|
||||
console.error('[Ivanti Findings] GET /bu-changes error:', err.message);
|
||||
res.status(500).json({ error: 'Database error reading BU changes' });
|
||||
}
|
||||
});
|
||||
|
||||
/**
|
||||
* GET /api/ivanti/findings/:findingId/bu-history
|
||||
*
|
||||
* Return BU change history for a specific finding from ivanti_finding_bu_history,
|
||||
* ordered by detected_at descending (newest first).
|
||||
*
|
||||
* @param {string} findingId - The finding identifier (URL param)
|
||||
*
|
||||
* @returns {Object} 200 - { finding_id: string, history: Array<Object> }
|
||||
* @returns {Object} 500 - { error: string } on database error
|
||||
*/
|
||||
router.get('/:findingId/bu-history', async (req, res) => {
|
||||
try {
|
||||
const { findingId } = req.params;
|
||||
const rows = await dbAll(db,
|
||||
`SELECT previous_bu, new_bu, detected_at
|
||||
FROM ivanti_finding_bu_history
|
||||
WHERE finding_id = ?
|
||||
ORDER BY detected_at DESC`,
|
||||
[findingId]
|
||||
);
|
||||
res.json({ finding_id: findingId, history: rows });
|
||||
} catch (err) {
|
||||
console.error('[Ivanti Findings] GET /:findingId/bu-history error:', err.message);
|
||||
res.status(500).json({ error: 'Database error reading finding BU history' });
|
||||
}
|
||||
});
|
||||
|
||||
/**
|
||||
* PUT /api/ivanti/findings/:findingId/override
|
||||
*
|
||||
@@ -982,3 +1436,6 @@ module.exports = createIvantiFindingsRouter;
|
||||
module.exports.detectArchiveChanges = detectArchiveChanges;
|
||||
module.exports.detectClosedFindings = detectClosedFindings;
|
||||
module.exports.initArchiveTables = initArchiveTables;
|
||||
module.exports.runBUDriftChecker = runBUDriftChecker;
|
||||
module.exports.computeAnomalySummary = computeAnomalySummary;
|
||||
module.exports.extractFinding = extractFinding;
|
||||
|
||||
Reference in New Issue
Block a user