Thème Keycloak : constellation animée en fond du login
Le JS (scripts=js/constellation.js) crée son propre ciel (canvas + aurore, le template Keycloak n'en ayant pas) : champ d'étoiles scintillantes qui dérivent, liens de constellation cyan, blob d'aurore ondulant. Respecte prefers-reduced-motion. Reprend l'animation du site de l'Alliance. Prouvé : constellation.js référencé + servi (200). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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4 changed files with 135 additions and 1 deletions
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@ -12,6 +12,10 @@
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`kcadm ... -s loginTheme` (var `serveur_keycloak_login_theme`, idempotent), Keycloak rechargé
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(`flush_handlers` avant la config realm). **Prouvé** : la page de login charge `alliance.css`
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(HTTP 200) + le `logo.svg` (200), `loginTheme=alliance-boreale` actif sur `chezlepro`.
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**Constellation animée en fond** (`scripts=js/constellation.js`) : le JS crée son propre ciel
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(canvas + aurore, le template n'en ayant pas) — étoiles scintillantes qui dérivent, liens de
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constellation cyan, blob d'aurore ondulant ; respecte `prefers-reduced-motion`. Prouvé :
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`constellation.js` référencé + servi (200).
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- **Soumission courriel `:587` interne (authentifiée) — la boucle souveraine est bouclée.**
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Postfix (`edge-mta`) sert la **soumission `:587`** (bloc `master.cf` : STARTTLS requis, `SMTP AUTH`,
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seuls les authentifiés relaient) ; l'auth SASL est **déléguée à Dovecot** (`infra-mail`, passdb LDAP
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@ -29,7 +29,43 @@ body {
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radial-gradient(900px 600px at 10% 0%, #0e1640 0%, transparent 55%),
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linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 70%) fixed;
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}
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.login-pf-page { padding-top: 40px; }
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.login-pf-page { padding-top: 40px; background: transparent; }
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#kc-container, #kc-container-wrapper, .login-pf-page .card-pf { position: relative; }
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/* ---------- Ciel animé : constellation + aurore (injecté par constellation.js) ---------- */
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.ab-sky {
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position: fixed;
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inset: 0;
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z-index: -1;
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overflow: hidden;
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pointer-events: none;
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}
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.ab-sky canvas {
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position: absolute;
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inset: 0;
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width: 100%;
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height: 100%;
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display: block;
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}
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.ab-aurora {
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position: absolute;
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inset: -20% -10% auto -10%;
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height: 70vh;
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filter: blur(60px) saturate(140%);
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opacity: 0.5;
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background:
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radial-gradient(40% 60% at 20% 30%, var(--aurora-teal) 0%, transparent 70%),
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radial-gradient(45% 70% at 55% 20%, var(--aurora-cyan) 0%, transparent 70%),
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radial-gradient(40% 65% at 80% 35%, var(--aurora-violet) 0%, transparent 70%);
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animation: aurora-drift 22s ease-in-out infinite alternate;
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}
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@keyframes aurora-drift {
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from { transform: translateX(-3%) translateY(0) scale(1); }
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to { transform: translateX(3%) translateY(2%) scale(1.08); }
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}
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@media (prefers-reduced-motion: reduce) {
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.ab-aurora { animation: none; }
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}
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/* ---------- En-tête + logo étoile aurore ---------- */
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#kc-header,
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@ -0,0 +1,93 @@
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/* Alliance Boréale — champ d'étoiles + constellation, adapté au login Keycloak.
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Vanilla JS, aucune dépendance. Crée son propre ciel en fond (le template
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Keycloak n'a pas de <canvas>). Respecte prefers-reduced-motion.
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Métaphore : chaque artisan est une étoile ; reliés, ils forment la constellation. */
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(function () {
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"use strict";
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if (document.querySelector(".ab-sky")) return;
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var sky = document.createElement("div");
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sky.className = "ab-sky";
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sky.setAttribute("aria-hidden", "true");
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var canvas = document.createElement("canvas");
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canvas.id = "ab-constellation";
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var aurora = document.createElement("div");
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aurora.className = "ab-aurora";
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sky.appendChild(canvas);
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sky.appendChild(aurora);
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document.body.insertBefore(sky, document.body.firstChild);
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var reduce = window.matchMedia("(prefers-reduced-motion: reduce)").matches;
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var ctx = canvas.getContext("2d");
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var stars = [];
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var w = 0, h = 0, dpr = Math.min(window.devicePixelRatio || 1, 2);
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var LINK_DIST = 130;
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function resize() {
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w = canvas.clientWidth;
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h = canvas.clientHeight;
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canvas.width = w * dpr;
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canvas.height = h * dpr;
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ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
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seed();
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}
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function seed() {
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var count = Math.round((w * h) / 14000);
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count = Math.max(40, Math.min(160, count));
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stars = [];
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for (var i = 0; i < count; i++) {
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stars.push({
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x: Math.random() * w,
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y: Math.random() * h,
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r: Math.random() * 1.3 + 0.4,
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vx: (Math.random() - 0.5) * 0.12,
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vy: (Math.random() - 0.5) * 0.12,
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tw: Math.random() * Math.PI * 2
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});
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}
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}
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function draw() {
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ctx.clearRect(0, 0, w, h);
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for (var i = 0; i < stars.length; i++) {
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for (var j = i + 1; j < stars.length; j++) {
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var dx = stars[i].x - stars[j].x;
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var dy = stars[i].y - stars[j].y;
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var d = Math.sqrt(dx * dx + dy * dy);
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if (d < LINK_DIST) {
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var a = (1 - d / LINK_DIST) * 0.22;
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ctx.strokeStyle = "rgba(120, 200, 255," + a + ")";
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ctx.lineWidth = 1;
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ctx.beginPath();
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ctx.moveTo(stars[i].x, stars[i].y);
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ctx.lineTo(stars[j].x, stars[j].y);
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ctx.stroke();
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}
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}
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}
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for (var k = 0; k < stars.length; k++) {
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var s = stars[k];
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s.tw += 0.02;
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var glow = 0.6 + Math.sin(s.tw) * 0.4;
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ctx.beginPath();
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ctx.arc(s.x, s.y, s.r, 0, Math.PI * 2);
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ctx.fillStyle = "rgba(255,255,255," + glow + ")";
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ctx.shadowColor = "rgba(160,220,255,0.9)";
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ctx.shadowBlur = 6;
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ctx.fill();
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ctx.shadowBlur = 0;
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if (!reduce) {
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s.x += s.vx;
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s.y += s.vy;
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if (s.x < 0 || s.x > w) s.vx *= -1;
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if (s.y < 0 || s.y > h) s.vy *= -1;
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}
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}
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if (!reduce) requestAnimationFrame(draw);
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}
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window.addEventListener("resize", resize);
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resize();
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draw();
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})();
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@ -1,3 +1,4 @@
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parent=keycloak
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import=common/keycloak
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styles=css/login.css css/alliance.css
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scripts=js/constellation.js
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