524 lines
16 KiB
Go
524 lines
16 KiB
Go
package checker
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import (
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"encoding/json"
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"fmt"
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"html/template"
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"net"
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"sort"
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"strconv"
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"strings"
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"time"
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sdk "git.happydns.org/checker-sdk-go/checker"
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)
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// ─── View models ────────────────────────────────────────────────────
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type reportFix struct {
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Severity string
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Code string
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Message string
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Fix string
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Endpoint string
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}
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type reportTLSPosture struct {
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CheckedAt time.Time
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ChainValid *bool
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HostnameMatch *bool
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NotAfter time.Time
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TLSVersion string
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Issues []reportFix
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}
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type reportEndpoint struct {
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Transport string
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TransportTag string // "SIP/UDP", "SIP/TCP", "SIPS/TLS"
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SRVPrefix string
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Target string
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Port uint16
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Address string
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IsIPv6 bool
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Reachable bool
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ReachableErr string
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TLSVersion string
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TLSCipher string
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OptionsSent bool
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OptionsStatus string
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OptionsRTTMs int64
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ServerHeader string
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UserAgent string
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AllowMethods []string
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ContactURI string
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ElapsedMS int64
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Error string
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OK bool
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StatusLabel string
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StatusClass string
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TLSPosture *reportTLSPosture
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}
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type reportSRVEntry struct {
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Prefix string
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Target string
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Port uint16
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Priority uint16
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Weight uint16
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IPv4 []string
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IPv6 []string
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}
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type reportData struct {
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Domain string
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RunAt string
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StatusLabel string
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StatusClass string
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HasIssues bool
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Fixes []reportFix
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NAPTR []NAPTRRecord
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SRV []reportSRVEntry
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FallbackProbed bool
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Endpoints []reportEndpoint
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HasIPv4 bool
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HasIPv6 bool
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WorkingUDP bool
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WorkingTCP bool
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WorkingTLS bool
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HasTLSPosture bool
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}
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// ─── Template ───────────────────────────────────────────────────────
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var reportTpl = template.Must(template.New("sip").Funcs(template.FuncMap{
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"deref": func(b *bool) bool { return b != nil && *b },
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}).Parse(`<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>SIP Report — {{.Domain}}</title>
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<style>
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*, *::before, *::after { box-sizing: border-box; }
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:root {
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font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
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font-size: 14px;
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line-height: 1.5;
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color: #1f2937;
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background: #f3f4f6;
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}
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body { margin: 0; padding: 1rem; }
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code { font-family: ui-monospace, monospace; font-size: .9em; }
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h1 { margin: 0 0 .4rem; font-size: 1.15rem; font-weight: 700; }
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h2 { font-size: 1rem; font-weight: 700; margin: 0 0 .6rem; }
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h3 { font-size: .9rem; font-weight: 600; margin: 0 0 .4rem; }
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.hd, .section, details {
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background: #fff;
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box-shadow: 0 1px 3px rgba(0,0,0,.08);
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}
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.hd { border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: .75rem; }
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.section { border-radius: 8px; padding: .85rem 1rem; margin-bottom: .6rem; }
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details { border-radius: 8px; margin-bottom: .45rem; overflow: hidden; }
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.section details { box-shadow: none; border: 1px solid #e5e7eb; margin-bottom: .4rem; }
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summary {
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display: flex; align-items: center; gap: .5rem;
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padding: .65rem 1rem; cursor: pointer; user-select: none; list-style: none;
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}
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summary::-webkit-details-marker { display: none; }
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summary::before {
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content: "▶"; font-size: .65rem; color: #9ca3af;
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transition: transform .15s; flex-shrink: 0;
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}
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details[open] > summary::before { transform: rotate(90deg); }
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.badge {
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display: inline-flex; align-items: center;
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padding: .2em .65em; border-radius: 9999px;
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font-size: .78rem; font-weight: 700; letter-spacing: .02em;
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}
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.badge.ok { background: #d1fae5; color: #065f46; }
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.badge.warn { background: #fef3c7; color: #92400e; }
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.badge.fail { background: #fee2e2; color: #991b1b; }
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.badge.muted{ background: #e5e7eb; color: #374151; }
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.chips { display: flex; gap: .35rem; flex-wrap: wrap; margin: .4rem 0; }
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.chip {
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display: inline-flex; align-items: center; gap: .35rem;
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padding: .15rem .55rem; border-radius: 6px;
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font-size: .75rem; font-weight: 600;
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background: #f3f4f6; color: #374151;
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}
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.chip.ok { background: #d1fae5; color: #065f46; }
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.chip.fail { background: #fee2e2; color: #991b1b; }
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.fix {
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border-left: 3px solid #e5e7eb;
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padding: .5rem .75rem;
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margin-bottom: .4rem;
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background: #fafafa;
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border-radius: 0 6px 6px 0;
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}
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.fix.crit { border-left-color: #dc2626; background: #fef2f2; }
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.fix.warn { border-left-color: #d97706; background: #fffbeb; }
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.fix.info { border-left-color: #2563eb; background: #eff6ff; }
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.fix .code { font-size: .7rem; color: #6b7280; font-family: ui-monospace, monospace; }
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.fix .msg { font-weight: 600; margin: .1rem 0; }
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.fix .how { color: #374151; font-size: .85rem; }
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.conn-head { font-weight: 600; flex: 1; font-size: .9rem; font-family: ui-monospace, monospace; }
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.details-body { padding: .6rem 1rem .85rem; border-top: 1px solid #f3f4f6; }
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dl { display: grid; grid-template-columns: max-content 1fr; gap: .2rem .75rem; margin: 0; font-size: .85rem; }
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dt { color: #6b7280; }
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dd { margin: 0; }
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table { border-collapse: collapse; width: 100%; font-size: .85rem; }
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th, td { text-align: left; padding: .3rem .5rem; border-bottom: 1px solid #f3f4f6; vertical-align: top; }
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th { font-weight: 600; color: #6b7280; }
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.check-ok { color: #059669; font-weight: 700; }
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.check-fail { color: #dc2626; font-weight: 700; }
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.note { color: #6b7280; font-size: .85rem; }
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.footer { color: #6b7280; font-size: .75rem; text-align: center; margin-top: 1rem; }
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.meth { display: inline-block; font-size: .72rem; padding: .1rem .45rem; background: #eef2ff; color: #4338ca; border-radius: 4px; margin: .1rem .15rem 0 0; font-family: ui-monospace, monospace; }
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</style>
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</head>
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<body>
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<div class="hd">
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<h1>SIP / VoIP — {{.Domain}}</h1>
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<span class="badge {{.StatusClass}}">{{.StatusLabel}}</span>
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<div class="chips" style="margin-top:.45rem">
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<span class="chip {{if .WorkingUDP}}ok{{else}}fail{{end}}">{{if .WorkingUDP}}✓{{else}}✗{{end}} UDP</span>
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<span class="chip {{if .WorkingTCP}}ok{{else}}fail{{end}}">{{if .WorkingTCP}}✓{{else}}✗{{end}} TCP</span>
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<span class="chip {{if .WorkingTLS}}ok{{else}}fail{{end}}">{{if .WorkingTLS}}✓{{else}}✗{{end}} TLS</span>
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<span class="chip {{if .HasIPv4}}ok{{end}}">IPv4</span>
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<span class="chip {{if .HasIPv6}}ok{{end}}">IPv6</span>
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</div>
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{{if .FallbackProbed}}<div class="note">No SIP SRV records were published. Probed the bare domain on default ports.</div>{{end}}
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{{if .RunAt}}<div class="note">Checked {{.RunAt}}</div>{{end}}
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</div>
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{{if .HasIssues}}
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<div class="section">
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<h2>What to fix</h2>
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{{range .Fixes}}
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<div class="fix {{.Severity}}">
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<div class="code">{{.Code}}{{if .Endpoint}} · {{.Endpoint}}{{end}}</div>
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<div class="msg">{{.Message}}</div>
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{{if .Fix}}<div class="how">→ {{.Fix}}</div>{{end}}
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</div>
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{{end}}
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</div>
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{{end}}
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{{if .NAPTR}}
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<div class="section">
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<h2>NAPTR ({{len .NAPTR}})</h2>
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<table>
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<tr><th>Order</th><th>Pref</th><th>Flags</th><th>Service</th><th>Replacement</th></tr>
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{{range .NAPTR}}
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<tr>
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<td>{{.Order}}</td>
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<td>{{.Preference}}</td>
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<td><code>{{.Flags}}</code></td>
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<td><code>{{.Service}}</code></td>
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<td>{{if .Replacement}}<code>{{.Replacement}}</code>{{else}}<span class="note">—</span>{{end}}</td>
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</tr>
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{{end}}
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</table>
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</div>
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{{end}}
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{{if .SRV}}
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<div class="section">
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<h2>SRV records ({{len .SRV}})</h2>
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<table>
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<tr><th>Prefix</th><th>Target</th><th>Port</th><th>Prio/Weight</th><th>A / AAAA</th></tr>
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{{range .SRV}}
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<tr>
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<td><code>{{.Prefix}}</code></td>
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<td><code>{{.Target}}</code></td>
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<td>{{.Port}}</td>
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<td>{{.Priority}} / {{.Weight}}</td>
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<td>
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{{range .IPv4}}<code>{{.}}</code> {{end}}
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{{range .IPv6}}<code>{{.}}</code> {{end}}
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</td>
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</tr>
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{{end}}
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</table>
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</div>
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{{end}}
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{{if .Endpoints}}
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<div class="section">
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<h2>Endpoint probes ({{len .Endpoints}})</h2>
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{{range .Endpoints}}
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<details{{if not .OK}} open{{end}}>
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<summary>
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<span class="conn-head">{{.TransportTag}} · {{.Address}}</span>
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<span class="badge {{.StatusClass}}">{{.StatusLabel}}</span>
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</summary>
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<div class="details-body">
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<dl>
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<dt>Target</dt><dd><code>{{.Target}}:{{.Port}}</code>{{if .SRVPrefix}} <span class="note">({{.SRVPrefix}})</span>{{end}}</dd>
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<dt>Reachable</dt>
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<dd>
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{{if .Reachable}}<span class="check-ok">✓ connected</span>{{else}}<span class="check-fail">✗ {{if .ReachableErr}}{{.ReachableErr}}{{else}}unreachable{{end}}</span>{{end}}
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</dd>
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{{if or .TLSVersion .TLSCipher}}
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<dt>TLS</dt><dd>{{.TLSVersion}}{{if and .TLSVersion .TLSCipher}} · {{end}}{{.TLSCipher}}</dd>
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{{end}}
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{{if .OptionsSent}}
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<dt>OPTIONS</dt>
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<dd>
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{{if .OptionsStatus}}<span class="badge {{if .OK}}ok{{else}}warn{{end}}">{{.OptionsStatus}}</span>{{else}}<span class="badge fail">no reply</span>{{end}}
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{{if .OptionsRTTMs}} · {{.OptionsRTTMs}} ms{{end}}
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</dd>
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{{end}}
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{{if .ServerHeader}}<dt>Server</dt><dd><code>{{.ServerHeader}}</code></dd>{{end}}
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{{if .UserAgent}}<dt>User-Agent</dt><dd><code>{{.UserAgent}}</code></dd>{{end}}
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{{if .ContactURI}}<dt>Contact</dt><dd><code>{{.ContactURI}}</code></dd>{{end}}
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{{if .AllowMethods}}
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<dt>Allow</dt>
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<dd>{{range .AllowMethods}}<span class="meth">{{.}}</span>{{end}}</dd>
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{{end}}
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{{if .TLSPosture}}
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<dt>TLS posture</dt>
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<dd>
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{{if .TLSPosture.ChainValid}}
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{{if deref .TLSPosture.ChainValid}}<span class="check-ok">✓ chain valid</span>{{else}}<span class="check-fail">✗ chain invalid</span>{{end}}
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{{end}}
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{{if .TLSPosture.HostnameMatch}}
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· {{if deref .TLSPosture.HostnameMatch}}<span class="check-ok">✓ hostname match</span>{{else}}<span class="check-fail">✗ hostname mismatch</span>{{end}}
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{{end}}
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{{if not .TLSPosture.NotAfter.IsZero}}
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· expires <code>{{.TLSPosture.NotAfter.Format "2006-01-02"}}</code>
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{{end}}
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{{if not .TLSPosture.CheckedAt.IsZero}}
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<div class="note">TLS checked {{.TLSPosture.CheckedAt.Format "2006-01-02 15:04 MST"}}</div>
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{{end}}
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{{range .TLSPosture.Issues}}
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<div class="fix {{.Severity}}" style="margin-top:.3rem">
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<div class="code">{{.Code}}</div>
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<div class="msg">{{.Message}}</div>
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{{if .Fix}}<div class="how">→ {{.Fix}}</div>{{end}}
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</div>
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{{end}}
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</dd>
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{{end}}
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<dt>Duration</dt><dd>{{.ElapsedMS}} ms</dd>
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{{if .Error}}<dt>Error</dt><dd><span class="check-fail">{{.Error}}</span></dd>{{end}}
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</dl>
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</div>
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</details>
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{{end}}
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</div>
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{{end}}
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<p class="footer">{{if .HasTLSPosture}}TLS posture above comes from the TLS checker on the same endpoints.{{else}}Run the TLS checker on this domain to see chain / SAN / expiry per SIPS endpoint.{{end}}</p>
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</body>
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</html>`))
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// ─── Rendering ──────────────────────────────────────────────────────
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// GetHTMLReport implements sdk.CheckerHTMLReporter. Related TLS
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// observations (tls_probes) are folded in so cert posture surfaces on
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// the SIP page directly.
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func (p *sipProvider) GetHTMLReport(rctx sdk.ReportContext) (string, error) {
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var d SIPData
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if err := json.Unmarshal(rctx.Data(), &d); err != nil {
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return "", fmt.Errorf("unmarshal sip observation: %w", err)
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}
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view := buildReportData(&d, rctx.Related(TLSRelatedKey))
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var buf strings.Builder
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if err := reportTpl.Execute(&buf, view); err != nil {
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return "", fmt.Errorf("render sip report: %w", err)
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}
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return buf.String(), nil
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}
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func buildReportData(d *SIPData, related []sdk.RelatedObservation) reportData {
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tlsIssues := tlsIssuesFromRelated(related)
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tlsByAddr := indexTLSByAddress(related)
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allIssues := append([]Issue(nil), d.Issues...)
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allIssues = append(allIssues, tlsIssues...)
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view := reportData{
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Domain: d.Domain,
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RunAt: d.RunAt,
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FallbackProbed: d.SRV.FallbackProbed,
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HasIPv4: d.Coverage.HasIPv4,
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HasIPv6: d.Coverage.HasIPv6,
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WorkingUDP: d.Coverage.WorkingUDP,
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WorkingTCP: d.Coverage.WorkingTCP,
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WorkingTLS: d.Coverage.WorkingTLS,
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HasIssues: len(allIssues) > 0,
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HasTLSPosture: len(tlsByAddr) > 0,
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}
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worst := SeverityInfo
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for _, is := range allIssues {
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if is.Severity == SeverityCrit {
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worst = SeverityCrit
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break
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}
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if is.Severity == SeverityWarn {
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worst = SeverityWarn
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}
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}
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switch {
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case len(allIssues) == 0:
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view.StatusLabel = "OK"
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view.StatusClass = "ok"
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case worst == SeverityCrit:
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view.StatusLabel = "FAIL"
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view.StatusClass = "fail"
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case worst == SeverityWarn:
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view.StatusLabel = "WARN"
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view.StatusClass = "warn"
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default:
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view.StatusLabel = "INFO"
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view.StatusClass = "muted"
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}
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// Sort fixes crit → warn → info.
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sevRank := func(s string) int {
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switch s {
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case SeverityCrit:
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return 0
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case SeverityWarn:
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return 1
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default:
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return 2
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}
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}
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sort.SliceStable(allIssues, func(i, j int) bool { return sevRank(allIssues[i].Severity) < sevRank(allIssues[j].Severity) })
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for _, is := range allIssues {
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view.Fixes = append(view.Fixes, reportFix{
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Severity: is.Severity,
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Code: is.Code,
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Message: is.Message,
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Fix: is.Fix,
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Endpoint: is.Endpoint,
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})
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}
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view.NAPTR = append(view.NAPTR, d.NAPTR...)
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addSRV := func(prefix string, records []SRVRecord) {
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for _, r := range records {
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view.SRV = append(view.SRV, reportSRVEntry{
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Prefix: prefix, Target: r.Target, Port: r.Port,
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Priority: r.Priority, Weight: r.Weight,
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IPv4: r.IPv4, IPv6: r.IPv6,
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})
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}
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}
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addSRV("_sip._udp", d.SRV.UDP)
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addSRV("_sip._tcp", d.SRV.TCP)
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addSRV("_sips._tcp", d.SRV.SIPS)
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for _, ep := range d.Endpoints {
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re := reportEndpoint{
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Transport: string(ep.Transport),
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TransportTag: transportTag(ep.Transport),
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SRVPrefix: ep.SRVPrefix,
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Target: ep.Target,
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Port: ep.Port,
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Address: ep.Address,
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IsIPv6: ep.IsIPv6,
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Reachable: ep.Reachable,
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ReachableErr: ep.ReachableErr,
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TLSVersion: ep.TLSVersion,
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TLSCipher: ep.TLSCipher,
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OptionsSent: ep.OptionsSent,
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OptionsStatus: ep.OptionsStatus,
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OptionsRTTMs: ep.OptionsRTTMs,
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ServerHeader: ep.ServerHeader,
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UserAgent: ep.UserAgent,
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AllowMethods: ep.AllowMethods,
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ContactURI: ep.ContactURI,
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ElapsedMS: ep.ElapsedMS,
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Error: ep.Error,
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OK: ep.OK(),
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}
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if re.OK {
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re.StatusLabel = "OK"
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re.StatusClass = "ok"
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} else if ep.Reachable {
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re.StatusLabel = "partial"
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re.StatusClass = "warn"
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} else {
|
|
re.StatusLabel = "unreachable"
|
|
re.StatusClass = "fail"
|
|
}
|
|
if meta, hit := tlsByAddr[ep.Address]; hit {
|
|
re.TLSPosture = meta
|
|
} else if meta, hit := tlsByAddr[endpointKey(ep.Target, ep.Port)]; hit {
|
|
re.TLSPosture = meta
|
|
}
|
|
view.Endpoints = append(view.Endpoints, re)
|
|
}
|
|
|
|
return view
|
|
}
|
|
|
|
func transportTag(t Transport) string {
|
|
switch t {
|
|
case TransportUDP:
|
|
return "SIP/UDP"
|
|
case TransportTCP:
|
|
return "SIP/TCP"
|
|
case TransportTLS:
|
|
return "SIPS/TLS"
|
|
}
|
|
return string(t)
|
|
}
|
|
|
|
func endpointKey(host string, port uint16) string {
|
|
return net.JoinHostPort(host, strconv.Itoa(int(port)))
|
|
}
|
|
|
|
// indexTLSByAddress returns a map keyed by "host:port" pointing at a
|
|
// reportTLSPosture, so the template can match a related observation to
|
|
// the right endpoint.
|
|
func indexTLSByAddress(related []sdk.RelatedObservation) map[string]*reportTLSPosture {
|
|
out := map[string]*reportTLSPosture{}
|
|
for _, r := range related {
|
|
v := parseTLSRelated(r)
|
|
if v == nil {
|
|
continue
|
|
}
|
|
addr := v.address()
|
|
if addr == "" {
|
|
continue
|
|
}
|
|
posture := &reportTLSPosture{
|
|
CheckedAt: r.CollectedAt,
|
|
ChainValid: v.ChainValid,
|
|
HostnameMatch: v.HostnameMatch,
|
|
NotAfter: v.NotAfter,
|
|
TLSVersion: v.TLSVersion,
|
|
}
|
|
for _, is := range v.Issues {
|
|
sev := strings.ToLower(is.Severity)
|
|
if sev != SeverityCrit && sev != SeverityWarn && sev != SeverityInfo {
|
|
continue
|
|
}
|
|
posture.Issues = append(posture.Issues, reportFix{
|
|
Severity: sev,
|
|
Code: is.Code,
|
|
Message: is.Message,
|
|
Fix: is.Fix,
|
|
})
|
|
}
|
|
out[addr] = posture
|
|
}
|
|
return out
|
|
}
|