selfpost/internal/web/templates/layout.html

{{define "layout.html"}}<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{{.Title}}</title>
{{/* The tab icon is the stamp's small-size variant — the initials rather than
     the two-line wordmark, which stops resolving below 32px (the thresholds are
     recorded in docs/assets/selfpost-proof.html). The PNG is declared first and
     the SVG second: a browser takes the last icon whose type it understands, so
     vector wins wherever it is supported and the raster catches the rest. */}}
<link rel="icon" href="/static/favicon.png" sizes="32x32">
<link rel="icon" href="/static/favicon.svg" type="image/svg+xml">
<link rel="stylesheet" href="/static/panel.css">
{{/* Unless told otherwise, htmx injects a stylesheet element of its own into
     the head for the request-indicator classes. The panel uses no
     hx-indicator, and that injected element would be the one thing the
     Content-Security-Policy has to make an exception for, so it
     is switched off here. */}}
<meta name="htmx-config" content='{"includeIndicatorStyles":false}'>
<script src="/static/htmx.min.js" defer></script>
<script src="/static/panel.js" defer></script>
</head>
<body>
{{/* The page name travels onto <main> as a class so the stylesheet can size a
     page to what it holds — the monitoring pages are wider than the panel's
     form pages (see main.page-* in panel.css). It is .Active, already carried
     for the navigation, rather than a second field every handler would have to
     remember to set. */}}
<main class="page-{{.Active}}">
{{if .User}}{{template "nav" .}}{{end}}
{{template "content" .}}
{{/* The running version, on every authenticated page: it is what a backup
     manifest is checked against on restore and the first thing to establish
     when something behaves unexpectedly. Only for signed-in administrators —
     the login and setup pages must not advertise it to the internet. */}}
{{if .User}}<footer class="version">SelfPost {{.Version}}</footer>{{end}}
</main>
</body>
</html>{{end}}

{{/* nav is the panel's navigation bar. It is rendered here, from the layout, so
     every authenticated page has it without the page's own template having to
     remember to include it; .Active names the current page so it is highlighted
     instead of linking to itself. Unauthenticated pages (login, setup) carry no
     .User and get no nav. */}}
{{define "nav"}}
<nav class="nav">
  {{/* The top row is first here because it is drawn first (see .nav in
       panel.css), which keeps the tab order matching the visual one. It holds
       the mark on the left and the session block on the right; the page entries
       follow underneath. The mark goes to /status, the page the panel opens on —
       named outright rather than as "/", which is only a redirect to it. */}}
  <div class="top">
    <a class="brand" href="/status"><img src="/static/logo-compact.svg" width="110" height="50" alt="SelfPost"></a>
    <div class="session">
      <span class="muted">{{.User}}</span>
      {{if eq .Active "account"}}<span aria-current="page">{{template "icon-account"}}Account</span>{{else}}<a href="/account">{{template "icon-account"}}Account</a>{{end}}
      <form class="inline" method="post" action="/logout">
        <button type="submit" class="danger">{{template "icon-sign-out"}}Sign out</button>
      </form>
    </div>
  </div>
  <div class="links">
    {{if eq .Active "status"}}<span aria-current="page">{{template "icon-status"}}Status</span>{{else}}<a href="/status">{{template "icon-status"}}Status</a>{{end}}
    {{if eq .Active "domains"}}<span aria-current="page">{{template "icon-domains"}}Domains</span>{{else}}<a href="/domains">{{template "icon-domains"}}Domains</a>{{end}}
    {{if eq .Active "deliveries"}}<span aria-current="page">{{template "icon-deliveries"}}Deliveries</span>{{else}}<a href="/deliveries">{{template "icon-deliveries"}}Deliveries</a>{{end}}
    {{if eq .Active "mail_queue"}}<span aria-current="page">{{template "icon-mail-queue"}}Mail queue</span>{{else}}<a href="/mail-queue">{{template "icon-mail-queue"}}Mail queue</a>{{end}}
    {{if eq .Active "system_log"}}<span aria-current="page">{{template "icon-system-log"}}System log</span>{{else}}<a href="/system-log">{{template "icon-system-log"}}System log</a>{{end}}
    {{if eq .Active "backup"}}<span aria-current="page">{{template "icon-backup"}}Backup</span>{{else}}<a href="/backup">{{template "icon-backup"}}Backup</a>{{end}}
  </div>
</nav>
{{end}}

{{/* Navigation icons. Inline SVG rather than an icon font or sprite file: they
     inherit the link's colour through currentColor, cost no extra request, and
     need no exemption from the panel's "default-src 'self'" policy. Each is
     aria-hidden because the entry's own text is already the accessible name;
     the icon is a landmark for the eye, not a second label. Kept as separate
     templates so the nav above stays one readable line per page. */}}
{{define "icon-status"}}<svg class="icon" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M1.25 8.5h2.9L6.2 3.4l3.1 9.4 1.9-4.3h3.55"/></svg>{{end}}
{{define "icon-domains"}}<svg class="icon" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="8" cy="8" r="6.25"/><path d="M1.9 8h12.2"/><path d="M8 1.75c1.85 1.8 2.8 4 2.8 6.25S9.85 12.45 8 14.25C6.15 12.45 5.2 10.25 5.2 8S6.15 3.55 8 1.75Z"/></svg>{{end}}
{{define "icon-deliveries"}}<svg class="icon" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M14.25 1.75 1.6 6.6l5 2.05 2.05 5z"/><path d="M14.25 1.75 6.6 8.65"/></svg>{{end}}
{{define "icon-mail-queue"}}<svg class="icon" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M1.75 9.5h3.3l1 1.75h3.9l1-1.75h3.3v3.05a1.2 1.2 0 0 1-1.2 1.2H2.95a1.2 1.2 0 0 1-1.2-1.2z"/><path d="M1.75 9.5 3.4 3.2a1.25 1.25 0 0 1 1.2-.95h6.8a1.25 1.25 0 0 1 1.2.95l1.65 6.3"/></svg>{{end}}
{{define "icon-system-log"}}<svg class="icon" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M3.75 1.75h5.1l3.4 3.4v8.05a1.05 1.05 0 0 1-1.05 1.05H3.75a1.05 1.05 0 0 1-1.05-1.05V2.8a1.05 1.05 0 0 1 1.05-1.05Z"/><path d="M8.85 1.75v3.4h3.4"/><path d="M5.35 8.6h5.3M5.35 11.1h3.5"/></svg>{{end}}
{{/* A filing cabinet rather than a storage box: the box read as a box, while
     two drawers with handles is the picture of an archive. */}}
{{define "icon-backup"}}<svg class="icon" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="2.75" y="1.75" width="10.5" height="12.5" rx="1.15"/><path d="M2.75 8h10.5"/><path d="M6.4 4.85h3.2M6.4 11.15h3.2"/></svg>{{end}}
{{define "icon-account"}}<svg class="icon" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="8" cy="5.4" r="2.75"/><path d="M2.9 14.25a5.1 5.1 0 0 1 10.2 0"/></svg>{{end}}
{{/* Sign out is the one icon here that marks an action rather than a page: an
     open door with the arrow leading out of it. */}}
{{define "icon-sign-out"}}<svg class="icon" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M6.1 14.25H3.65a1.15 1.15 0 0 1-1.15-1.15V2.9a1.15 1.15 0 0 1 1.15-1.15H6.1"/><path d="M10.6 11.15 13.75 8 10.6 4.85"/><path d="M13.75 8H6.35"/></svg>{{end}}