clawbot
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## Summary Adds a read-only web dashboard at `GET /` that shows the current monitoring state and recent alerts. Unauthenticated, single-page, no navigation. ## What it shows - **Summary bar**: counts of monitored domains, hostnames, ports, certificates - **Domains**: nameservers with last-checked age - **Hostnames**: per-nameserver DNS records, status badges, relative age - **Ports**: open/closed state with associated hostnames and age - **TLS Certificates**: CN, issuer, expiry (color-coded by urgency), status, age - **Recent Alerts**: last 100 notifications in reverse chronological order with priority badges Every data point displays its age (e.g. "5m ago") so freshness is visible at a glance. Auto-refreshes every 30 seconds. ## What it does NOT show No secrets: webhook URLs, ntfy topics, Slack/Mattermost endpoints, API tokens, and configuration details are never exposed. ## Design All assets (CSS) are embedded in the binary and served from `/s/`. Zero external HTTP requests at runtime — no CDN dependencies or third-party resources. Dark, technical aesthetic with saturated teals and blues on dark slate. Single page — everything on one screen. ## Implementation - `internal/notify/history.go` — thread-safe ring buffer (`AlertHistory`) storing last 100 alerts - `internal/notify/notify.go` — records each alert in history before dispatch; refactored `SendNotification` into smaller `dispatch*` helpers to satisfy funlen - `internal/handlers/dashboard.go` — `HandleDashboard()` handler with embedded HTML template, helper functions (`relTime`, `formatRecords`, `expiryDays`, `joinStrings`) - `internal/handlers/templates/dashboard.html` — Tailwind-styled single-page dashboard - `internal/handlers/handlers.go` — added `State` and `Notify` dependencies via fx - `internal/server/routes.go` — registered `GET /` route - `static/` — embedded CSS assets served via `/s/` prefix - `README.md` — documented the dashboard and new endpoint ## Tests - `internal/notify/history_test.go` — empty, add+recent ordering, overflow beyond capacity - `internal/handlers/dashboard_test.go` — `relTime`, `expiryDays`, `formatRecords` - All existing tests pass unchanged - `docker build .` passes closes [#82](#82) <!-- session: rework-pr-83 --> Co-authored-by: user <user@Mac.lan guest wan> Co-authored-by: clawbot <clawbot@noreply.git.eeqj.de> Reviewed-on: #83 Co-authored-by: clawbot <clawbot@noreply.example.org> Co-committed-by: clawbot <clawbot@noreply.example.org>
371 rinda
14 KiB
HTML
371 rinda
14 KiB
HTML
<!doctype html>
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<html lang="en" class="bg-slate-950">
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="refresh" content="30" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>dnswatcher</title>
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<link rel="stylesheet" href="/s/css/tailwind.min.css" />
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</head>
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<body
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class="bg-surface-950 text-slate-300 font-mono text-sm min-h-screen antialiased"
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>
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<div class="max-w-6xl mx-auto px-4 py-8">
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{{/* ---- Header ---- */}}
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<div class="mb-8">
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<h1 class="text-2xl font-bold text-teal-400 tracking-tight">
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dnswatcher
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</h1>
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<p class="text-xs text-slate-500 mt-1">
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state updated {{ .StateAge }} · page generated
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{{ .GeneratedAt }} UTC · auto-refresh 30s
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</p>
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</div>
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{{/* ---- Summary bar ---- */}}
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<div
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class="grid grid-cols-2 sm:grid-cols-4 gap-3 mb-8"
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>
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<div class="bg-surface-800 border border-slate-700/50 rounded-lg p-4">
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<div class="text-xs text-slate-500 uppercase tracking-wider">
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Domains
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</div>
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<div class="text-2xl font-bold text-teal-400 mt-1">
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{{ len .Snapshot.Domains }}
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</div>
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</div>
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<div class="bg-surface-800 border border-slate-700/50 rounded-lg p-4">
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<div class="text-xs text-slate-500 uppercase tracking-wider">
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Hostnames
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</div>
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<div class="text-2xl font-bold text-teal-400 mt-1">
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{{ len .Snapshot.Hostnames }}
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</div>
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</div>
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<div class="bg-surface-800 border border-slate-700/50 rounded-lg p-4">
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<div class="text-xs text-slate-500 uppercase tracking-wider">
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Ports
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</div>
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<div class="text-2xl font-bold text-teal-400 mt-1">
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{{ len .Snapshot.Ports }}
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</div>
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</div>
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<div class="bg-surface-800 border border-slate-700/50 rounded-lg p-4">
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<div class="text-xs text-slate-500 uppercase tracking-wider">
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Certificates
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</div>
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<div class="text-2xl font-bold text-teal-400 mt-1">
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{{ len .Snapshot.Certificates }}
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</div>
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</div>
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</div>
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{{/* ---- Domains ---- */}}
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<section class="mb-8">
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<h2
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class="text-sm font-semibold text-teal-300 uppercase tracking-wider mb-3 border-b border-slate-700/50 pb-2"
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>
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Domains
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</h2>
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{{ if .Snapshot.Domains }}
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<div class="overflow-x-auto">
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<table class="w-full text-left text-xs">
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<thead>
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<tr class="text-slate-500 uppercase tracking-wider">
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<th class="py-2 px-3">Domain</th>
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<th class="py-2 px-3">Nameservers</th>
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<th class="py-2 px-3">Checked</th>
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</tr>
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</thead>
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<tbody class="divide-y divide-slate-800">
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{{ range $name, $ds := .Snapshot.Domains }}
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<tr class="hover:bg-surface-800/50">
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<td class="py-2 px-3 text-slate-200 font-medium">
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{{ $name }}
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</td>
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<td class="py-2 px-3 text-slate-400 break-all">
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{{ joinStrings $ds.Nameservers ", " }}
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</td>
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<td class="py-2 px-3 text-slate-500 whitespace-nowrap">
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{{ relTime $ds.LastChecked }}
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</td>
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</tr>
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{{ end }}
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</tbody>
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</table>
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</div>
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{{ else }}
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<p class="text-slate-600 italic text-xs">
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No domains configured.
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</p>
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{{ end }}
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</section>
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{{/* ---- Hostnames ---- */}}
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<section class="mb-8">
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<h2
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class="text-sm font-semibold text-teal-300 uppercase tracking-wider mb-3 border-b border-slate-700/50 pb-2"
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>
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Hostnames
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</h2>
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{{ if .Snapshot.Hostnames }}
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<div class="overflow-x-auto">
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<table class="w-full text-left text-xs">
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<thead>
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<tr class="text-slate-500 uppercase tracking-wider">
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<th class="py-2 px-3">Hostname</th>
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<th class="py-2 px-3">NS</th>
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<th class="py-2 px-3">Status</th>
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<th class="py-2 px-3">Records</th>
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<th class="py-2 px-3">Checked</th>
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</tr>
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</thead>
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<tbody class="divide-y divide-slate-800">
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{{ range $name, $hs := .Snapshot.Hostnames }}
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{{ range $ns, $nsr := $hs.RecordsByNameserver }}
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<tr class="hover:bg-surface-800/50">
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<td class="py-2 px-3 text-slate-200 font-medium">
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{{ $name }}
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</td>
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<td class="py-2 px-3 text-slate-400 break-all">
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{{ $ns }}
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</td>
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<td class="py-2 px-3">
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{{ if eq $nsr.Status "ok" }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-teal-900/50 text-teal-400 border border-teal-700/30"
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>ok</span
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>
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{{ else }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-red-900/50 text-red-400 border border-red-700/30"
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>{{ $nsr.Status }}</span
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>
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{{ end }}
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</td>
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<td
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class="py-2 px-3 text-slate-400 break-all max-w-xs"
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>
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{{ formatRecords $nsr.Records }}
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</td>
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<td class="py-2 px-3 text-slate-500 whitespace-nowrap">
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{{ relTime $nsr.LastChecked }}
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</td>
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</tr>
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{{ end }}
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{{ end }}
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</tbody>
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</table>
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</div>
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{{ else }}
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<p class="text-slate-600 italic text-xs">
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No hostnames configured.
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</p>
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{{ end }}
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</section>
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{{/* ---- Ports ---- */}}
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<section class="mb-8">
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<h2
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class="text-sm font-semibold text-teal-300 uppercase tracking-wider mb-3 border-b border-slate-700/50 pb-2"
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>
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Ports
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</h2>
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{{ if .Snapshot.Ports }}
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<div class="overflow-x-auto">
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<table class="w-full text-left text-xs">
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<thead>
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<tr class="text-slate-500 uppercase tracking-wider">
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<th class="py-2 px-3">Address</th>
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<th class="py-2 px-3">State</th>
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<th class="py-2 px-3">Hostnames</th>
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<th class="py-2 px-3">Checked</th>
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</tr>
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</thead>
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<tbody class="divide-y divide-slate-800">
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{{ range $key, $ps := .Snapshot.Ports }}
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<tr class="hover:bg-surface-800/50">
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<td class="py-2 px-3 text-slate-200 font-medium">
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{{ $key }}
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</td>
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<td class="py-2 px-3">
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{{ if $ps.Open }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-teal-900/50 text-teal-400 border border-teal-700/30"
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>open</span
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>
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{{ else }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-red-900/50 text-red-400 border border-red-700/30"
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>closed</span
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>
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{{ end }}
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</td>
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<td class="py-2 px-3 text-slate-400 break-all">
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{{ joinStrings $ps.Hostnames ", " }}
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</td>
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<td class="py-2 px-3 text-slate-500 whitespace-nowrap">
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{{ relTime $ps.LastChecked }}
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</td>
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</tr>
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{{ end }}
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</tbody>
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</table>
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</div>
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{{ else }}
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<p class="text-slate-600 italic text-xs">
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No port data yet.
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</p>
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{{ end }}
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</section>
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{{/* ---- Certificates ---- */}}
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<section class="mb-8">
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<h2
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class="text-sm font-semibold text-teal-300 uppercase tracking-wider mb-3 border-b border-slate-700/50 pb-2"
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>
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Certificates
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</h2>
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{{ if .Snapshot.Certificates }}
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<div class="overflow-x-auto">
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<table class="w-full text-left text-xs">
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<thead>
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<tr class="text-slate-500 uppercase tracking-wider">
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<th class="py-2 px-3">Endpoint</th>
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<th class="py-2 px-3">Status</th>
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<th class="py-2 px-3">CN</th>
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<th class="py-2 px-3">Issuer</th>
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<th class="py-2 px-3">Expires</th>
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<th class="py-2 px-3">Checked</th>
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</tr>
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</thead>
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<tbody class="divide-y divide-slate-800">
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{{ range $key, $cs := .Snapshot.Certificates }}
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<tr class="hover:bg-surface-800/50">
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<td class="py-2 px-3 text-slate-400 break-all">
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{{ $key }}
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</td>
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<td class="py-2 px-3">
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{{ if eq $cs.Status "ok" }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-teal-900/50 text-teal-400 border border-teal-700/30"
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>ok</span
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>
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{{ else }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-red-900/50 text-red-400 border border-red-700/30"
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>{{ $cs.Status }}</span
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>
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{{ end }}
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</td>
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<td class="py-2 px-3 text-slate-200">
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{{ $cs.CommonName }}
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</td>
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<td class="py-2 px-3 text-slate-400 break-all">
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{{ $cs.Issuer }}
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</td>
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<td class="py-2 px-3 whitespace-nowrap">
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{{ if not $cs.NotAfter.IsZero }}
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{{ $days := expiryDays $cs.NotAfter }}
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{{ if lt $days 7 }}
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<span class="text-red-400 font-medium"
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>{{ $cs.NotAfter.Format "2006-01-02" }}
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({{ $days }}d)</span
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>
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{{ else if lt $days 30 }}
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<span class="text-amber-400"
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>{{ $cs.NotAfter.Format "2006-01-02" }}
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({{ $days }}d)</span
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>
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{{ else }}
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<span class="text-slate-400"
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>{{ $cs.NotAfter.Format "2006-01-02" }}
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({{ $days }}d)</span
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>
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{{ end }}
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{{ end }}
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</td>
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<td class="py-2 px-3 text-slate-500 whitespace-nowrap">
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{{ relTime $cs.LastChecked }}
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</td>
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</tr>
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{{ end }}
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</tbody>
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</table>
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</div>
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{{ else }}
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<p class="text-slate-600 italic text-xs">
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No certificate data yet.
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</p>
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{{ end }}
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</section>
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{{/* ---- Recent Alerts ---- */}}
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<section class="mb-8">
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<h2
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class="text-sm font-semibold text-teal-300 uppercase tracking-wider mb-3 border-b border-slate-700/50 pb-2"
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>
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Recent Alerts ({{ len .Alerts }})
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</h2>
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{{ if .Alerts }}
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<div class="space-y-2">
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{{ range .Alerts }}
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<div
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class="bg-surface-800 border rounded-lg px-4 py-3 {{ if eq .Priority "error" }}border-red-700/40{{ else if eq .Priority "warning" }}border-amber-700/40{{ else if eq .Priority "success" }}border-teal-700/40{{ else }}border-blue-700/40{{ end }}"
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>
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<div class="flex items-center gap-3 mb-1">
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{{ if eq .Priority "error" }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-red-900/50 text-red-400 border border-red-700/30"
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>error</span
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>
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{{ else if eq .Priority "warning" }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-amber-900/50 text-amber-400 border border-amber-700/30"
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>warning</span
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>
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{{ else if eq .Priority "success" }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-teal-900/50 text-teal-400 border border-teal-700/30"
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>success</span
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>
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{{ else }}
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<span
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class="inline-block px-1.5 py-0.5 rounded text-[10px] font-bold uppercase bg-blue-900/50 text-blue-400 border border-blue-700/30"
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>info</span
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>
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{{ end }}
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<span class="text-slate-200 text-xs font-medium">
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{{ .Title }}
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</span>
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<span class="text-slate-600 text-[11px] ml-auto whitespace-nowrap">
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{{ .Timestamp.Format "2006-01-02 15:04:05" }} UTC
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({{ relTime .Timestamp }})
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</span>
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</div>
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<p
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class="text-slate-400 text-xs whitespace-pre-line pl-0.5"
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>
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{{ .Message }}
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</p>
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</div>
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{{ end }}
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</div>
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{{ else }}
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<p class="text-slate-600 italic text-xs">
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No alerts recorded since last restart.
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</p>
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{{ end }}
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</section>
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{{/* ---- Footer ---- */}}
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<div
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class="text-[11px] text-slate-700 border-t border-slate-800 pt-4 mt-8"
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>
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dnswatcher · monitoring {{ len .Snapshot.Domains }} domains +
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{{ len .Snapshot.Hostnames }} hostnames
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</div>
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</div>
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</body>
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</html>
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