TenantAtlas/app/Jobs/Alerts/EvaluateAlertsJob.php
2026-02-25 02:45:20 +01:00

485 lines
18 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Jobs\Alerts;
use App\Models\AlertRule;
use App\Models\Finding;
use App\Models\OperationRun;
use App\Models\Workspace;
use App\Services\Alerts\AlertDispatchService;
use App\Services\OperationRunService;
use App\Support\OperationRunOutcome;
use App\Support\OperationRunStatus;
use Carbon\CarbonImmutable;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Throwable;
class EvaluateAlertsJob implements ShouldQueue
{
use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
public function __construct(
public int $workspaceId,
public ?int $operationRunId = null,
) {}
public function handle(AlertDispatchService $dispatchService, OperationRunService $operationRuns): void
{
$workspace = Workspace::query()->whereKey($this->workspaceId)->first();
if (! $workspace instanceof Workspace) {
return;
}
$operationRun = $this->resolveOperationRun($workspace, $operationRuns);
if (! $operationRun instanceof OperationRun) {
return;
}
if ($operationRun->status === OperationRunStatus::Completed->value) {
return;
}
$operationRuns->updateRun(
$operationRun,
status: OperationRunStatus::Running->value,
outcome: OperationRunOutcome::Pending->value,
);
$windowStart = $this->resolveWindowStart($operationRun);
try {
$events = [
...$this->highDriftEvents((int) $workspace->getKey(), $windowStart),
...$this->slaDueEvents((int) $workspace->getKey(), $windowStart),
...$this->compareFailedEvents((int) $workspace->getKey(), $windowStart),
...$this->permissionMissingEvents((int) $workspace->getKey(), $windowStart),
...$this->entraAdminRolesHighEvents((int) $workspace->getKey(), $windowStart),
];
$createdDeliveries = 0;
foreach ($events as $event) {
$createdDeliveries += $dispatchService->dispatchEvent($workspace, $event);
}
$operationRuns->updateRun(
$operationRun,
status: OperationRunStatus::Completed->value,
outcome: OperationRunOutcome::Succeeded->value,
summaryCounts: [
'total' => count($events),
'processed' => count($events),
'created' => $createdDeliveries,
],
);
} catch (Throwable $exception) {
$operationRuns->updateRun(
$operationRun,
status: OperationRunStatus::Completed->value,
outcome: OperationRunOutcome::Failed->value,
failures: [
[
'code' => 'alerts.evaluate.failed',
'message' => $this->sanitizeErrorMessage($exception),
],
],
);
throw $exception;
}
}
private function resolveOperationRun(Workspace $workspace, OperationRunService $operationRuns): ?OperationRun
{
if (is_int($this->operationRunId) && $this->operationRunId > 0) {
$operationRun = OperationRun::query()
->whereKey($this->operationRunId)
->where('workspace_id', (int) $workspace->getKey())
->where('type', 'alerts.evaluate')
->first();
if ($operationRun instanceof OperationRun) {
return $operationRun;
}
}
$slotKey = CarbonImmutable::now('UTC')->format('YmdHi').'Z';
return $operationRuns->ensureWorkspaceRunWithIdentity(
workspace: $workspace,
type: 'alerts.evaluate',
identityInputs: [
'slot_key' => $slotKey,
],
context: [
'trigger' => 'job',
'slot_key' => $slotKey,
],
initiator: null,
);
}
private function resolveWindowStart(OperationRun $operationRun): CarbonImmutable
{
$previous = OperationRun::query()
->where('workspace_id', (int) $operationRun->workspace_id)
->whereNull('tenant_id')
->where('type', 'alerts.evaluate')
->where('status', OperationRunStatus::Completed->value)
->whereNotNull('completed_at')
->where('id', '<', (int) $operationRun->getKey())
->orderByDesc('completed_at')
->orderByDesc('id')
->first();
if ($previous instanceof OperationRun && $previous->completed_at !== null) {
return CarbonImmutable::instance($previous->completed_at);
}
$lookbackMinutes = max(1, (int) config('tenantpilot.alerts.evaluate_initial_lookback_minutes', 15));
return CarbonImmutable::now('UTC')->subMinutes($lookbackMinutes);
}
/**
* @return array<int, array<string, mixed>>
*/
private function highDriftEvents(int $workspaceId, CarbonImmutable $windowStart): array
{
$findings = Finding::query()
->where('workspace_id', $workspaceId)
->where('finding_type', Finding::FINDING_TYPE_DRIFT)
->whereIn('severity', [Finding::SEVERITY_HIGH, Finding::SEVERITY_CRITICAL])
->whereIn('status', [Finding::STATUS_NEW, Finding::STATUS_REOPENED])
->where(function ($query) use ($windowStart): void {
$query
->where(function ($statusQuery) use ($windowStart): void {
$statusQuery
->where('status', Finding::STATUS_NEW)
->where('created_at', '>', $windowStart);
})
->orWhere(function ($statusQuery) use ($windowStart): void {
$statusQuery
->where('status', Finding::STATUS_REOPENED)
->where(function ($reopenedQuery) use ($windowStart): void {
$reopenedQuery
->where('reopened_at', '>', $windowStart)
->orWhere(function ($fallbackQuery) use ($windowStart): void {
$fallbackQuery
->whereNull('reopened_at')
->where('updated_at', '>', $windowStart);
});
});
});
})
->orderBy('id')
->get();
$events = [];
foreach ($findings as $finding) {
$events[] = [
'event_type' => 'high_drift',
'tenant_id' => (int) $finding->tenant_id,
'severity' => (string) $finding->severity,
'fingerprint_key' => 'finding:'.(int) $finding->getKey(),
'title' => 'High drift finding detected',
'body' => sprintf(
'Finding %d was created with severity %s.',
(int) $finding->getKey(),
(string) $finding->severity,
),
'metadata' => [
'finding_id' => (int) $finding->getKey(),
],
];
}
return $events;
}
/**
* @return array<int, array<string, mixed>>
*/
private function compareFailedEvents(int $workspaceId, CarbonImmutable $windowStart): array
{
$failedRuns = OperationRun::query()
->where('workspace_id', $workspaceId)
->whereNotNull('tenant_id')
->where('type', 'drift_generate_findings')
->where('status', OperationRunStatus::Completed->value)
->where('outcome', OperationRunOutcome::Failed->value)
->where('created_at', '>', $windowStart)
->orderBy('id')
->get();
$events = [];
foreach ($failedRuns as $failedRun) {
$tenantId = (int) ($failedRun->tenant_id ?? 0);
if ($tenantId <= 0) {
continue;
}
$events[] = [
'event_type' => 'compare_failed',
'tenant_id' => $tenantId,
'severity' => 'high',
'fingerprint_key' => 'operation_run:'.(int) $failedRun->getKey(),
'title' => 'Drift compare failed',
'body' => $this->firstFailureMessage($failedRun),
'metadata' => [
'operation_run_id' => (int) $failedRun->getKey(),
],
];
}
return $events;
}
/**
* @return array<int, array<string, mixed>>
*/
private function slaDueEvents(int $workspaceId, CarbonImmutable $windowStart): array
{
$now = CarbonImmutable::now('UTC');
$newlyOverdueTenantIds = Finding::query()
->where('workspace_id', $workspaceId)
->whereNotNull('tenant_id')
->whereNotNull('due_at')
->where('due_at', '>', $windowStart)
->where('due_at', '<=', $now)
->whereIn('status', Finding::openStatusesForQuery())
->orderBy('tenant_id')
->pluck('tenant_id')
->map(static fn (mixed $value): int => (int) $value)
->filter(static fn (int $tenantId): bool => $tenantId > 0)
->unique()
->values()
->all();
if ($newlyOverdueTenantIds === []) {
return [];
}
$severityRank = [
Finding::SEVERITY_LOW => 1,
Finding::SEVERITY_MEDIUM => 2,
Finding::SEVERITY_HIGH => 3,
Finding::SEVERITY_CRITICAL => 4,
];
/** @var array<int, array{overdue_total:int, overdue_by_severity:array<string, int>, severity:string}> $summaryByTenant */
$summaryByTenant = [];
foreach ($newlyOverdueTenantIds as $tenantId) {
$summaryByTenant[$tenantId] = [
'overdue_total' => 0,
'overdue_by_severity' => [
Finding::SEVERITY_CRITICAL => 0,
Finding::SEVERITY_HIGH => 0,
Finding::SEVERITY_MEDIUM => 0,
Finding::SEVERITY_LOW => 0,
],
'severity' => Finding::SEVERITY_LOW,
];
}
$overdueFindings = Finding::query()
->where('workspace_id', $workspaceId)
->whereIn('tenant_id', $newlyOverdueTenantIds)
->whereNotNull('due_at')
->where('due_at', '<=', $now)
->whereIn('status', Finding::openStatusesForQuery())
->orderBy('tenant_id')
->orderBy('id')
->get(['tenant_id', 'severity']);
foreach ($overdueFindings as $finding) {
$tenantId = (int) ($finding->tenant_id ?? 0);
if (! isset($summaryByTenant[$tenantId])) {
continue;
}
$severity = strtolower(trim((string) $finding->severity));
if (! array_key_exists($severity, $severityRank)) {
$severity = Finding::SEVERITY_HIGH;
}
$summaryByTenant[$tenantId]['overdue_total']++;
$summaryByTenant[$tenantId]['overdue_by_severity'][$severity]++;
$currentSeverity = $summaryByTenant[$tenantId]['severity'];
if (($severityRank[$severity] ?? 0) > ($severityRank[$currentSeverity] ?? 0)) {
$summaryByTenant[$tenantId]['severity'] = $severity;
}
}
$windowFingerprint = $windowStart->setTimezone('UTC')->format('Uu');
$events = [];
foreach ($newlyOverdueTenantIds as $tenantId) {
$summary = $summaryByTenant[$tenantId] ?? null;
if (! is_array($summary) || (int) ($summary['overdue_total'] ?? 0) <= 0) {
continue;
}
/** @var array<string, int> $counts */
$counts = $summary['overdue_by_severity'];
$events[] = [
'event_type' => AlertRule::EVENT_SLA_DUE,
'tenant_id' => $tenantId,
'severity' => (string) ($summary['severity'] ?? Finding::SEVERITY_HIGH),
'fingerprint_key' => sprintf('sla_due:tenant:%d:window:%s', $tenantId, $windowFingerprint),
'title' => 'SLA due findings detected',
'body' => sprintf(
'%d open finding(s) are overdue (critical: %d, high: %d, medium: %d, low: %d).',
(int) $summary['overdue_total'],
(int) ($counts[Finding::SEVERITY_CRITICAL] ?? 0),
(int) ($counts[Finding::SEVERITY_HIGH] ?? 0),
(int) ($counts[Finding::SEVERITY_MEDIUM] ?? 0),
(int) ($counts[Finding::SEVERITY_LOW] ?? 0),
),
'metadata' => [
'overdue_total' => (int) $summary['overdue_total'],
'overdue_by_severity' => [
Finding::SEVERITY_CRITICAL => (int) ($counts[Finding::SEVERITY_CRITICAL] ?? 0),
Finding::SEVERITY_HIGH => (int) ($counts[Finding::SEVERITY_HIGH] ?? 0),
Finding::SEVERITY_MEDIUM => (int) ($counts[Finding::SEVERITY_MEDIUM] ?? 0),
Finding::SEVERITY_LOW => (int) ($counts[Finding::SEVERITY_LOW] ?? 0),
],
],
];
}
return $events;
}
private function firstFailureMessage(OperationRun $run): string
{
$failures = is_array($run->failure_summary) ? $run->failure_summary : [];
foreach ($failures as $failure) {
if (! is_array($failure)) {
continue;
}
$message = trim((string) ($failure['message'] ?? ''));
if ($message !== '') {
return $message;
}
}
return 'A drift compare operation run failed.';
}
private function sanitizeErrorMessage(Throwable $exception): string
{
$message = trim($exception->getMessage());
if ($message === '') {
return 'Unexpected alert evaluation error.';
}
$message = preg_replace('/https?:\/\/\S+/i', '[redacted-url]', $message) ?? $message;
return mb_substr($message, 0, 500);
}
/**
* @return array<int, array<string, mixed>>
*/
private function permissionMissingEvents(int $workspaceId, CarbonImmutable $windowStart): array
{
$findings = Finding::query()
->where('workspace_id', $workspaceId)
->where('finding_type', Finding::FINDING_TYPE_PERMISSION_POSTURE)
->whereIn('status', [Finding::STATUS_NEW, Finding::STATUS_REOPENED])
->where('updated_at', '>', $windowStart)
->orderBy('id')
->get();
$events = [];
foreach ($findings as $finding) {
$events[] = [
'event_type' => AlertRule::EVENT_PERMISSION_MISSING,
'tenant_id' => (int) $finding->tenant_id,
'severity' => (string) $finding->severity,
'fingerprint_key' => 'finding:'.(int) $finding->getKey(),
'title' => 'Missing permission detected',
'body' => sprintf(
'Permission "%s" is missing for tenant %d (severity: %s).',
(string) ($finding->evidence_jsonb['permission_key'] ?? $finding->subject_external_id ?? 'unknown'),
(int) $finding->tenant_id,
(string) $finding->severity,
),
'metadata' => [
'finding_id' => (int) $finding->getKey(),
'permission_key' => (string) ($finding->evidence_jsonb['permission_key'] ?? ''),
],
];
}
return $events;
}
/**
* @return array<int, array<string, mixed>>
*/
private function entraAdminRolesHighEvents(int $workspaceId, CarbonImmutable $windowStart): array
{
$findings = Finding::query()
->where('workspace_id', $workspaceId)
->where('finding_type', Finding::FINDING_TYPE_ENTRA_ADMIN_ROLES)
->whereIn('severity', [Finding::SEVERITY_HIGH, Finding::SEVERITY_CRITICAL])
->whereIn('status', [Finding::STATUS_NEW, Finding::STATUS_REOPENED])
->where('updated_at', '>', $windowStart)
->orderBy('id')
->get();
$events = [];
foreach ($findings as $finding) {
$evidence = is_array($finding->evidence_jsonb) ? $finding->evidence_jsonb : [];
$events[] = [
'event_type' => AlertRule::EVENT_ENTRA_ADMIN_ROLES_HIGH,
'tenant_id' => (int) $finding->tenant_id,
'severity' => (string) $finding->severity,
'fingerprint_key' => 'finding:'.(int) $finding->getKey(),
'title' => 'High-privilege Entra admin role detected',
'body' => sprintf(
'Role "%s" assigned to %s (severity: %s).',
(string) ($evidence['role_display_name'] ?? 'unknown'),
(string) ($evidence['principal_display_name'] ?? $finding->subject_external_id ?? 'unknown'),
(string) $finding->severity,
),
'metadata' => [
'finding_id' => (int) $finding->getKey(),
'role_display_name' => (string) ($evidence['role_display_name'] ?? ''),
'principal_display_name' => (string) ($evidence['principal_display_name'] ?? ''),
],
];
}
return $events;
}
}