cmd/hello: split css and js into separate files (#19771)

Move the inline CSS and JS into separate files to be more friendly
to Content Security Policies. ServeHTTP is updated to serve these
assets from the '/static/' path.

Updates tailscale/corp#32398

Signed-off-by: Noel O'Brien <noel@tailscale.com>
This commit is contained in:
Noel O'Brien
2026-05-15 09:37:22 -07:00
committed by GitHub
parent 0cb432ed84
commit 894ff5d8ee
4 changed files with 399 additions and 377 deletions
+9 -376
View File
@@ -4,383 +4,10 @@
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
<title>Hello from Tailscale</title>
<style>
html,
body {
margin: 0;
padding: 0;
}
body {
font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
font-size: 100%;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
html,
body,
main {
height: 100%;
}
*,
::before,
::after {
box-sizing: border-box;
border-width: 0;
border-style: solid;
border-color: #dad6d5;
}
h1,
h2,
h3,
h4,
h5,
h6 {
margin: 0;
font-size: 1rem;
font-weight: inherit;
}
a {
color: inherit;
}
p {
margin: 0;
}
main {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
max-width: 24rem;
width: 95%;
margin-left: auto;
margin-right: auto;
}
.p-2 {
padding: 0.5rem;
}
.p-4 {
padding: 1rem;
}
.px-2 {
padding-left: 0.5rem;
padding-right: 0.5rem;
}
.pl-3 {
padding-left: 0.75rem;
}
.pr-3 {
padding-right: 0.75rem;
}
.pt-4 {
padding-top: 1rem;
}
.mr-2 {
margin-right: 0.5rem;
;
}
.mb-1 {
margin-bottom: 0.25rem;
}
.mb-2 {
margin-bottom: 0.5rem;
}
.mb-4 {
margin-bottom: 1rem;
}
.mb-6 {
margin-bottom: 1.5rem;
}
.mb-8 {
margin-bottom: 2rem;
}
.mb-12 {
margin-bottom: 3rem;
}
.width-full {
width: 100%;
}
.min-width-0 {
min-width: 0;
}
.rounded-lg {
border-radius: 0.5rem;
}
.relative {
position: relative;
}
.flex {
display: flex;
}
.justify-between {
justify-content: space-between;
}
.items-center {
align-items: center;
}
.border {
border-width: 1px;
}
.border-t-1 {
border-top-width: 1px;
}
.border-gray-100 {
border-color: #f7f5f4;
}
.border-gray-200 {
border-color: #eeebea;
}
.border-gray-300 {
border-color: #dad6d5;
}
.bg-white {
background-color: white;
}
.bg-gray-0 {
background-color: #faf9f8;
}
.bg-gray-100 {
background-color: #f7f5f4;
}
.text-green-600 {
color: #0d4b3b;
}
.text-blue-600 {
color: #3f5db3;
}
.hover\:text-blue-800:hover {
color: #253570;
}
.text-gray-600 {
color: #444342;
}
.text-gray-700 {
color: #2e2d2d;
}
.text-gray-800 {
color: #232222;
}
.text-center {
text-align: center;
}
.text-sm {
font-size: 0.875rem;
}
.font-title {
font-size: 1.25rem;
letter-spacing: -0.025em;
}
.font-semibold {
font-weight: 600;
}
.font-medium {
font-weight: 500;
}
.font-regular {
font-weight: 400;
}
.truncate {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.overflow-hidden {
overflow: hidden;
}
.profile-pic {
width: 2.5rem;
height: 2.5rem;
border-radius: 9999px;
background-size: cover;
margin-right: 0.5rem;
flex-shrink: 0;
}
.panel {
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.animate .panel {
transform: translateY(10%);
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.0), 0 10px 10px -5px rgba(0, 0, 0, 0.0);
transition: transform 1200ms ease, opacity 1200ms ease, box-shadow 1200ms ease;
}
.animate .panel-interior {
opacity: 0.0;
transition: opacity 1200ms ease;
}
.animate .logo {
transform: translateY(2rem);
opacity: 0.0;
transition: transform 1200ms ease, opacity 1200ms ease;
}
.animate .header-title {
transform: translateY(1.6rem);
opacity: 0.0;
transition: transform 1200ms ease, opacity 1200ms ease;
}
.animate .header-text {
transform: translateY(1.2rem);
opacity: 0.0;
transition: transform 1200ms ease, opacity 1200ms ease;
}
.animate .footer {
transform: translateY(-0.5rem);
opacity: 0.0;
transition: transform 1200ms ease, opacity 1200ms ease;
}
.animating .panel {
transform: translateY(0);
opacity: 1.0;
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.animating .panel-interior {
opacity: 1.0;
}
.animating .spinner {
opacity: 0.0;
}
.animating .logo,
.animating .header-title,
.animating .header-text,
.animating .footer {
transform: translateY(0);
opacity: 1.0;
}
.spinner {
display: inline-flex;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
align-items: center;
transition: opacity 200ms ease;
}
.spinner span {
display: inline-block;
background-color: currentColor;
border-radius: 9999px;
animation-name: loading-dots-blink;
animation-duration: 1.4s;
animation-iteration-count: infinite;
animation-fill-mode: both;
width: 0.35em;
height: 0.35em;
margin: 0 0.15em;
}
.spinner span:nth-child(2) {
animation-delay: 200ms;
}
.spinner span:nth-child(3) {
animation-delay: 400ms;
}
.spinner {
display: none;
}
.animate .spinner {
display: inline-flex;
}
@keyframes loading-dots-blink {
0% {
opacity: 0.2;
}
20% {
opacity: 1;
}
100% {
opacity: 0.2;
}
}
@media (prefers-reduced-motion) {
* {
animation-duration: 0ms !important;
transition-duration: 0ms !important;
transition-delay: 0ms !important;
}
}
</style>
<link type="text/css" rel="stylesheet" href="/static/style.css">
<script src="/static/script.js" defer></script>
</head>
<body class="bg-gray-100">
<script>
(function() {
var lastSeen = localStorage.getItem("lastSeen");
if (!lastSeen) {
document.body.classList.add("animate");
window.addEventListener("load", function () {
setTimeout(function () {
document.body.classList.add("animating");
localStorage.setItem("lastSeen", Date.now());
}, 100);
});
}
})();
</script>
<main class="text-gray-800">
<svg class="logo mb-6" width="28" height="28" viewBox="0 0 22 22" fill="none" xmlns="http://www.w3.org/2000/svg">
<circle opacity="0.2" cx="3.4" cy="3.25" r="2.7" fill="currentColor" />
@@ -404,7 +31,13 @@
<span></span>
</div>
<div class="panel-interior flex items-center width-full min-width-0 p-2 mb-4">
<div class="profile-pic bg-gray-100" style="background-image: url({{.ProfilePicURL}});"></div>
<div class="profile-pic bg-gray-100">
<img
src="{{.ProfilePicURL}}"
alt="Profile picture"
class="profile-pic-img"
>
</div>
<div class="overflow-hidden">
{{ with .DisplayName }}
<h4 class="font-semibold truncate">{{.}}</h4>
+12 -1
View File
@@ -6,7 +6,7 @@ package helloserver
import (
"crypto/tls"
_ "embed"
"embed"
"html/template"
"log"
"net/http"
@@ -21,6 +21,11 @@ import (
//go:embed hello.tmpl.html
var embeddedTemplate string
//go:embed static/*
var staticFiles embed.FS
var staticHandler = http.FileServerFS(staticFiles)
var tmpl = template.Must(template.New("home").Parse(embeddedTemplate))
// Server is an HTTP server for hello.ts.net.
@@ -116,6 +121,12 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "https://"+host, http.StatusFound)
return
}
if strings.HasPrefix(r.RequestURI, "/static/") {
staticHandler.ServeHTTP(w, r)
return
}
if r.RequestURI != "/" {
http.Redirect(w, r, "/", http.StatusFound)
return
+12
View File
@@ -0,0 +1,12 @@
(function () {
var lastSeen = localStorage.getItem("lastSeen");
if (!lastSeen) {
document.body.classList.add("animate");
window.addEventListener("load", function () {
setTimeout(function () {
document.body.classList.add("animating");
localStorage.setItem("lastSeen", Date.now());
}, 100);
});
}
})();
+366
View File
@@ -0,0 +1,366 @@
html,
body {
margin: 0;
padding: 0;
}
body {
font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
font-size: 100%;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
html,
body,
main {
height: 100%;
}
*,
::before,
::after {
box-sizing: border-box;
border-width: 0;
border-style: solid;
border-color: #dad6d5;
}
h1,
h2,
h3,
h4,
h5,
h6 {
margin: 0;
font-size: 1rem;
font-weight: inherit;
}
a {
color: inherit;
}
p {
margin: 0;
}
main {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
max-width: 24rem;
width: 95%;
margin-left: auto;
margin-right: auto;
}
.p-2 {
padding: 0.5rem;
}
.p-4 {
padding: 1rem;
}
.px-2 {
padding-left: 0.5rem;
padding-right: 0.5rem;
}
.pl-3 {
padding-left: 0.75rem;
}
.pr-3 {
padding-right: 0.75rem;
}
.pt-4 {
padding-top: 1rem;
}
.mr-2 {
margin-right: 0.5rem;
;
}
.mb-1 {
margin-bottom: 0.25rem;
}
.mb-2 {
margin-bottom: 0.5rem;
}
.mb-4 {
margin-bottom: 1rem;
}
.mb-6 {
margin-bottom: 1.5rem;
}
.mb-8 {
margin-bottom: 2rem;
}
.mb-12 {
margin-bottom: 3rem;
}
.width-full {
width: 100%;
}
.min-width-0 {
min-width: 0;
}
.rounded-lg {
border-radius: 0.5rem;
}
.relative {
position: relative;
}
.flex {
display: flex;
}
.justify-between {
justify-content: space-between;
}
.items-center {
align-items: center;
}
.border {
border-width: 1px;
}
.border-t-1 {
border-top-width: 1px;
}
.border-gray-100 {
border-color: #f7f5f4;
}
.border-gray-200 {
border-color: #eeebea;
}
.border-gray-300 {
border-color: #dad6d5;
}
.bg-white {
background-color: white;
}
.bg-gray-0 {
background-color: #faf9f8;
}
.bg-gray-100 {
background-color: #f7f5f4;
}
.text-green-600 {
color: #0d4b3b;
}
.text-blue-600 {
color: #3f5db3;
}
.hover\:text-blue-800:hover {
color: #253570;
}
.text-gray-600 {
color: #444342;
}
.text-gray-700 {
color: #2e2d2d;
}
.text-gray-800 {
color: #232222;
}
.text-center {
text-align: center;
}
.text-sm {
font-size: 0.875rem;
}
.font-title {
font-size: 1.25rem;
letter-spacing: -0.025em;
}
.font-semibold {
font-weight: 600;
}
.font-medium {
font-weight: 500;
}
.font-regular {
font-weight: 400;
}
.truncate {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.overflow-hidden {
overflow: hidden;
}
.profile-pic {
width: 2.5rem;
height: 2.5rem;
background-size: cover;
margin-right: 0.5rem;
flex-shrink: 0;
}
.profile-pic-img {
width: 100%;
height: 100%;
object-fit: cover;
display: block;
border-radius: 9999px;
}
.panel {
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.animate .panel {
transform: translateY(10%);
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.0), 0 10px 10px -5px rgba(0, 0, 0, 0.0);
transition: transform 1200ms ease, opacity 1200ms ease, box-shadow 1200ms ease;
}
.animate .panel-interior {
opacity: 0.0;
transition: opacity 1200ms ease;
}
.animate .logo {
transform: translateY(2rem);
opacity: 0.0;
transition: transform 1200ms ease, opacity 1200ms ease;
}
.animate .header-title {
transform: translateY(1.6rem);
opacity: 0.0;
transition: transform 1200ms ease, opacity 1200ms ease;
}
.animate .header-text {
transform: translateY(1.2rem);
opacity: 0.0;
transition: transform 1200ms ease, opacity 1200ms ease;
}
.animate .footer {
transform: translateY(-0.5rem);
opacity: 0.0;
transition: transform 1200ms ease, opacity 1200ms ease;
}
.animating .panel {
transform: translateY(0);
opacity: 1.0;
box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.animating .panel-interior {
opacity: 1.0;
}
.animating .spinner {
opacity: 0.0;
}
.animating .logo,
.animating .header-title,
.animating .header-text,
.animating .footer {
transform: translateY(0);
opacity: 1.0;
}
.spinner {
display: inline-flex;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
align-items: center;
transition: opacity 200ms ease;
}
.spinner span {
display: inline-block;
background-color: currentColor;
border-radius: 9999px;
animation-name: loading-dots-blink;
animation-duration: 1.4s;
animation-iteration-count: infinite;
animation-fill-mode: both;
width: 0.35em;
height: 0.35em;
margin: 0 0.15em;
}
.spinner span:nth-child(2) {
animation-delay: 200ms;
}
.spinner span:nth-child(3) {
animation-delay: 400ms;
}
.spinner {
display: none;
}
.animate .spinner {
display: inline-flex;
}
@keyframes loading-dots-blink {
0% {
opacity: 0.2;
}
20% {
opacity: 1;
}
100% {
opacity: 0.2;
}
}
@media (prefers-reduced-motion) {
* {
animation-duration: 0ms !important;
transition-duration: 0ms !important;
transition-delay: 0ms !important;
}
}